./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-mtd-sm_ftl.ko_true-unreach-call.cil.out.i.pp.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a3dd5ac2-d3f5-4c80-baae-14b6a5381501/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a3dd5ac2-d3f5-4c80-baae-14b6a5381501/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a3dd5ac2-d3f5-4c80-baae-14b6a5381501/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a3dd5ac2-d3f5-4c80-baae-14b6a5381501/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-mtd-sm_ftl.ko_true-unreach-call.cil.out.i.pp.i -s /tmp/vcloud-vcloud-master/worker/working_dir_a3dd5ac2-d3f5-4c80-baae-14b6a5381501/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a3dd5ac2-d3f5-4c80-baae-14b6a5381501/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 bcdad1cb516842feb49246d3bdf6fc4b150eb983 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 14:10:42,159 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 14:10:42,161 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 14:10:42,169 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 14:10:42,169 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 14:10:42,170 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 14:10:42,171 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 14:10:42,172 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 14:10:42,173 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 14:10:42,174 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 14:10:42,174 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 14:10:42,175 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 14:10:42,175 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 14:10:42,176 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 14:10:42,177 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 14:10:42,177 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 14:10:42,178 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 14:10:42,179 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 14:10:42,181 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 14:10:42,182 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 14:10:42,182 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 14:10:42,183 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 14:10:42,185 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 14:10:42,185 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 14:10:42,185 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 14:10:42,186 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 14:10:42,187 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 14:10:42,187 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 14:10:42,188 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 14:10:42,189 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 14:10:42,189 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 14:10:42,189 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 14:10:42,190 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 14:10:42,190 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 14:10:42,190 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 14:10:42,191 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 14:10:42,191 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a3dd5ac2-d3f5-4c80-baae-14b6a5381501/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2018-11-23 14:10:42,202 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 14:10:42,202 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 14:10:42,203 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 14:10:42,203 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 14:10:42,204 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 14:10:42,204 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 14:10:42,204 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 14:10:42,204 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 14:10:42,204 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 14:10:42,204 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 14:10:42,204 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 14:10:42,205 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 14:10:42,205 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 14:10:42,205 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 14:10:42,205 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 14:10:42,205 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 14:10:42,205 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 14:10:42,205 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 14:10:42,205 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 14:10:42,205 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 14:10:42,205 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 14:10:42,206 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 14:10:42,206 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 14:10:42,206 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 14:10:42,206 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 14:10:42,206 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 14:10:42,206 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 14:10:42,206 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_a3dd5ac2-d3f5-4c80-baae-14b6a5381501/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 -> bcdad1cb516842feb49246d3bdf6fc4b150eb983 [2018-11-23 14:10:42,231 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 14:10:42,241 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 14:10:42,243 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 14:10:42,244 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 14:10:42,244 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 14:10:42,245 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a3dd5ac2-d3f5-4c80-baae-14b6a5381501/bin-2019/ukojak/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-mtd-sm_ftl.ko_true-unreach-call.cil.out.i.pp.i [2018-11-23 14:10:42,286 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a3dd5ac2-d3f5-4c80-baae-14b6a5381501/bin-2019/ukojak/data/d1f5c592e/a112541e84d2443690247adf9af1b66d/FLAG701f191f3 [2018-11-23 14:10:42,770 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 14:10:42,771 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a3dd5ac2-d3f5-4c80-baae-14b6a5381501/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-mtd-sm_ftl.ko_true-unreach-call.cil.out.i.pp.i [2018-11-23 14:10:42,792 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a3dd5ac2-d3f5-4c80-baae-14b6a5381501/bin-2019/ukojak/data/d1f5c592e/a112541e84d2443690247adf9af1b66d/FLAG701f191f3 [2018-11-23 14:10:43,046 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a3dd5ac2-d3f5-4c80-baae-14b6a5381501/bin-2019/ukojak/data/d1f5c592e/a112541e84d2443690247adf9af1b66d [2018-11-23 14:10:43,048 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 14:10:43,049 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 14:10:43,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 14:10:43,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 14:10:43,053 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 14:10:43,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:10:43" (1/1) ... [2018-11-23 14:10:43,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a46475d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:43, skipping insertion in model container [2018-11-23 14:10:43,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:10:43" (1/1) ... [2018-11-23 14:10:43,061 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 14:10:43,121 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 14:10:43,837 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:10:43,856 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 14:10:43,982 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:10:44,037 INFO L195 MainTranslator]: Completed translation [2018-11-23 14:10:44,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:44 WrapperNode [2018-11-23 14:10:44,037 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 14:10:44,038 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 14:10:44,038 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 14:10:44,038 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 14:10:44,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:44" (1/1) ... [2018-11-23 14:10:44,075 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:44" (1/1) ... [2018-11-23 14:10:44,135 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 14:10:44,135 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 14:10:44,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 14:10:44,136 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 14:10:44,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:44" (1/1) ... [2018-11-23 14:10:44,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:44" (1/1) ... [2018-11-23 14:10:44,157 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:44" (1/1) ... [2018-11-23 14:10:44,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:44" (1/1) ... [2018-11-23 14:10:44,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:44" (1/1) ... [2018-11-23 14:10:44,235 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:44" (1/1) ... [2018-11-23 14:10:44,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:44" (1/1) ... [2018-11-23 14:10:44,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 14:10:44,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 14:10:44,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 14:10:44,263 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 14:10:44,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a3dd5ac2-d3f5-4c80-baae-14b6a5381501/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 14:10:44,309 INFO L130 BoogieDeclarations]: Found specification of procedure sm_get_zone [2018-11-23 14:10:44,310 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_get_zone [2018-11-23 14:10:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2018-11-23 14:10:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure sm_mark_block_bad [2018-11-23 14:10:44,310 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_mark_block_bad [2018-11-23 14:10:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-23 14:10:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 14:10:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight16 [2018-11-23 14:10:44,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight16 [2018-11-23 14:10:44,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-23 14:10:44,311 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2018-11-23 14:10:44,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 14:10:44,311 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2018-11-23 14:10:44,311 INFO L130 BoogieDeclarations]: Found specification of procedure sm_recheck_media [2018-11-23 14:10:44,311 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_recheck_media [2018-11-23 14:10:44,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-23 14:10:44,311 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-23 14:10:44,312 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2018-11-23 14:10:44,312 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2018-11-23 14:10:44,312 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out_r [2018-11-23 14:10:44,312 INFO L130 BoogieDeclarations]: Found specification of procedure deregister_mtd_blktrans [2018-11-23 14:10:44,312 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2018-11-23 14:10:44,312 INFO L130 BoogieDeclarations]: Found specification of procedure __nand_correct_data [2018-11-23 14:10:44,312 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2018-11-23 14:10:44,312 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-23 14:10:44,312 INFO L130 BoogieDeclarations]: Found specification of procedure sm_mkoffset [2018-11-23 14:10:44,312 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_mkoffset [2018-11-23 14:10:44,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 14:10:44,313 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2018-11-23 14:10:44,313 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_of_2 [2018-11-23 14:10:44,313 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_of_2 [2018-11-23 14:10:44,313 INFO L130 BoogieDeclarations]: Found specification of procedure sm_getgeo [2018-11-23 14:10:44,313 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_getgeo [2018-11-23 14:10:44,313 INFO L130 BoogieDeclarations]: Found specification of procedure sm_cache_put [2018-11-23 14:10:44,313 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_cache_put [2018-11-23 14:10:44,313 INFO L130 BoogieDeclarations]: Found specification of procedure sm_read_cis [2018-11-23 14:10:44,313 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_read_cis [2018-11-23 14:10:44,313 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2018-11-23 14:10:44,314 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2018-11-23 14:10:44,314 INFO L130 BoogieDeclarations]: Found specification of procedure add_mtd_blktrans_dev [2018-11-23 14:10:44,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-23 14:10:44,314 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-23 14:10:44,314 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_alloc [2018-11-23 14:10:44,314 INFO L130 BoogieDeclarations]: Found specification of procedure sm_get_lba [2018-11-23 14:10:44,314 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_get_lba [2018-11-23 14:10:44,314 INFO L130 BoogieDeclarations]: Found specification of procedure del_mtd_blktrans_dev [2018-11-23 14:10:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure sm_read_lba [2018-11-23 14:10:44,315 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_read_lba [2018-11-23 14:10:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2018-11-23 14:10:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_free [2018-11-23 14:10:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure sm_module_init [2018-11-23 14:10:44,315 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_module_init [2018-11-23 14:10:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2018-11-23 14:10:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2018-11-23 14:10:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 14:10:44,316 INFO L130 BoogieDeclarations]: Found specification of procedure sm_check_block [2018-11-23 14:10:44,316 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_check_block [2018-11-23 14:10:44,316 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2018-11-23 14:10:44,316 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~loff_t~0~X~$Pointer$~TO~int [2018-11-23 14:10:44,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~loff_t~0~X~$Pointer$~TO~int [2018-11-23 14:10:44,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 14:10:44,316 INFO L130 BoogieDeclarations]: Found specification of procedure sm_cache_init [2018-11-23 14:10:44,316 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_cache_init [2018-11-23 14:10:44,317 INFO L130 BoogieDeclarations]: Found specification of procedure sm_sector_valid [2018-11-23 14:10:44,317 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_sector_valid [2018-11-23 14:10:44,317 INFO L130 BoogieDeclarations]: Found specification of procedure sm_erase_block [2018-11-23 14:10:44,317 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_erase_block [2018-11-23 14:10:44,317 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2018-11-23 14:10:44,317 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2018-11-23 14:10:44,317 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2018-11-23 14:10:44,317 INFO L130 BoogieDeclarations]: Found specification of procedure sm_module_exit [2018-11-23 14:10:44,318 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_module_exit [2018-11-23 14:10:44,318 INFO L130 BoogieDeclarations]: Found specification of procedure sm_break_offset [2018-11-23 14:10:44,318 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_break_offset [2018-11-23 14:10:44,318 INFO L130 BoogieDeclarations]: Found specification of procedure sm_read_sector [2018-11-23 14:10:44,318 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_read_sector [2018-11-23 14:10:44,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2018-11-23 14:10:44,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2018-11-23 14:10:44,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 14:10:44,318 INFO L130 BoogieDeclarations]: Found specification of procedure sm_block_valid [2018-11-23 14:10:44,319 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_block_valid [2018-11-23 14:10:44,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-23 14:10:44,319 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2018-11-23 14:10:44,319 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2018-11-23 14:10:44,319 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2018-11-23 14:10:44,319 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2018-11-23 14:10:44,319 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2018-11-23 14:10:44,319 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out [2018-11-23 14:10:44,320 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2018-11-23 14:10:44,320 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2018-11-23 14:10:44,320 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2018-11-23 14:10:44,320 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2018-11-23 14:10:44,320 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2018-11-23 14:10:44,320 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2018-11-23 14:10:44,320 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2018-11-23 14:10:44,320 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2018-11-23 14:10:44,321 INFO L130 BoogieDeclarations]: Found specification of procedure sm_write_sector [2018-11-23 14:10:44,321 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_write_sector [2018-11-23 14:10:44,321 INFO L130 BoogieDeclarations]: Found specification of procedure __nand_calculate_ecc [2018-11-23 14:10:44,321 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2018-11-23 14:10:44,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2018-11-23 14:10:44,321 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2018-11-23 14:10:44,321 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2018-11-23 14:10:44,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 14:10:44,321 INFO L130 BoogieDeclarations]: Found specification of procedure sm_cache_flush [2018-11-23 14:10:44,322 INFO L138 BoogieDeclarations]: Found implementation of procedure sm_cache_flush [2018-11-23 14:10:44,322 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_in_r [2018-11-23 14:10:44,322 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_in [2018-11-23 14:10:44,322 INFO L130 BoogieDeclarations]: Found specification of procedure register_mtd_blktrans [2018-11-23 14:10:44,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 14:10:44,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 14:10:44,322 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2018-11-23 14:10:44,322 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2018-11-23 14:10:45,807 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 14:10:45,807 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 14:10:49,448 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 14:10:49,448 INFO L280 CfgBuilder]: Removed 88 assue(true) statements. [2018-11-23 14:10:49,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:10:49 BoogieIcfgContainer [2018-11-23 14:10:49,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 14:10:49,449 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 14:10:49,449 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 14:10:49,455 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 14:10:49,455 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:10:49" (1/1) ... [2018-11-23 14:10:49,464 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:10:49,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:49,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 494 states and 729 transitions. [2018-11-23 14:10:49,504 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 729 transitions. [2018-11-23 14:10:49,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 14:10:49,507 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:49,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:10:49,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:49,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 494 states and 727 transitions. [2018-11-23 14:10:49,939 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 727 transitions. [2018-11-23 14:10:49,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 14:10:49,940 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:49,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:50,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:10:50,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:50,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 496 states and 729 transitions. [2018-11-23 14:10:50,274 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 729 transitions. [2018-11-23 14:10:50,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 14:10:50,274 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:50,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:10:50,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:50,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 496 states and 728 transitions. [2018-11-23 14:10:50,346 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 728 transitions. [2018-11-23 14:10:50,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 14:10:50,347 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:50,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:50,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:10:50,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:50,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 500 states and 744 transitions. [2018-11-23 14:10:50,444 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 744 transitions. [2018-11-23 14:10:50,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 14:10:50,445 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:50,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:50,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:10:50,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:50,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 504 states and 760 transitions. [2018-11-23 14:10:50,535 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 760 transitions. [2018-11-23 14:10:50,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 14:10:50,536 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:50,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:50,621 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:10:50,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:50,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 509 states and 776 transitions. [2018-11-23 14:10:50,701 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 776 transitions. [2018-11-23 14:10:50,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 14:10:50,702 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:50,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:50,758 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:10:50,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:50,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 510 states and 776 transitions. [2018-11-23 14:10:50,783 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 776 transitions. [2018-11-23 14:10:50,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 14:10:50,785 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:50,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:50,852 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:10:50,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:50,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 515 states and 784 transitions. [2018-11-23 14:10:50,994 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 784 transitions. [2018-11-23 14:10:50,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 14:10:50,995 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:51,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:10:51,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:51,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 520 states and 792 transitions. [2018-11-23 14:10:51,136 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 792 transitions. [2018-11-23 14:10:51,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 14:10:51,137 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:51,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:51,201 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:10:51,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:51,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 523 states and 795 transitions. [2018-11-23 14:10:51,227 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 795 transitions. [2018-11-23 14:10:51,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 14:10:51,229 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:51,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:51,288 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:10:51,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:51,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 528 states and 804 transitions. [2018-11-23 14:10:51,296 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 804 transitions. [2018-11-23 14:10:51,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 14:10:51,298 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:51,358 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:10:51,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:51,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 531 states and 807 transitions. [2018-11-23 14:10:51,385 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 807 transitions. [2018-11-23 14:10:51,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 14:10:51,386 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:51,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:51,444 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:10:51,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:51,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 536 states and 816 transitions. [2018-11-23 14:10:51,452 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 816 transitions. [2018-11-23 14:10:51,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 14:10:51,453 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:51,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:10:51,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:51,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 536 states and 814 transitions. [2018-11-23 14:10:51,511 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 814 transitions. [2018-11-23 14:10:51,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 14:10:51,511 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:51,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:51,573 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:10:51,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:51,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 539 states and 818 transitions. [2018-11-23 14:10:51,591 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 818 transitions. [2018-11-23 14:10:51,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 14:10:51,592 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:51,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:51,654 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:10:51,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:51,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 545 states and 825 transitions. [2018-11-23 14:10:51,662 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 825 transitions. [2018-11-23 14:10:51,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 14:10:51,663 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:51,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:10:51,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:51,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 551 states and 832 transitions. [2018-11-23 14:10:51,730 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 832 transitions. [2018-11-23 14:10:51,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 14:10:51,731 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:51,787 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:10:51,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:51,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 555 states and 838 transitions. [2018-11-23 14:10:51,799 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 838 transitions. [2018-11-23 14:10:51,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 14:10:51,800 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:51,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:51,856 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:10:51,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:51,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 557 states and 840 transitions. [2018-11-23 14:10:51,868 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 840 transitions. [2018-11-23 14:10:51,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-23 14:10:51,869 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:51,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:51,917 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:10:51,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:51,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 562 states and 849 transitions. [2018-11-23 14:10:51,925 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 849 transitions. [2018-11-23 14:10:51,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 14:10:51,927 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:51,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:51,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:10:51,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:51,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 566 states and 855 transitions. [2018-11-23 14:10:51,996 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 855 transitions. [2018-11-23 14:10:51,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 14:10:51,997 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:52,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:52,052 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:10:52,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:52,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 568 states and 857 transitions. [2018-11-23 14:10:52,068 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 857 transitions. [2018-11-23 14:10:52,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-23 14:10:52,069 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:52,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:52,126 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:10:52,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:52,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 574 states and 864 transitions. [2018-11-23 14:10:52,136 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 864 transitions. [2018-11-23 14:10:52,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 14:10:52,138 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:52,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:52,200 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:10:52,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:52,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 578 states and 870 transitions. [2018-11-23 14:10:52,272 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 870 transitions. [2018-11-23 14:10:52,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 14:10:52,273 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:52,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:52,326 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:10:52,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:52,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 580 states and 872 transitions. [2018-11-23 14:10:52,348 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 872 transitions. [2018-11-23 14:10:52,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 14:10:52,349 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:52,424 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:10:52,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:52,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 587 states and 895 transitions. [2018-11-23 14:10:52,432 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 895 transitions. [2018-11-23 14:10:52,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 14:10:52,433 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:52,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:52,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:10:52,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:52,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 590 states and 898 transitions. [2018-11-23 14:10:52,514 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 898 transitions. [2018-11-23 14:10:52,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 14:10:52,515 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:52,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:52,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:10:52,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:52,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 597 states and 922 transitions. [2018-11-23 14:10:52,602 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 922 transitions. [2018-11-23 14:10:52,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 14:10:52,603 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:52,682 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:10:52,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:52,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 598 states and 923 transitions. [2018-11-23 14:10:52,693 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 923 transitions. [2018-11-23 14:10:52,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 14:10:52,695 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:52,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:52,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:10:52,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:52,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 601 states and 926 transitions. [2018-11-23 14:10:52,771 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 926 transitions. [2018-11-23 14:10:52,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 14:10:52,773 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:52,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:52,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:10:52,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:52,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 602 states and 927 transitions. [2018-11-23 14:10:52,856 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 927 transitions. [2018-11-23 14:10:52,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 14:10:52,857 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:52,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:52,929 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:10:52,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:52,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 603 states and 928 transitions. [2018-11-23 14:10:52,939 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 928 transitions. [2018-11-23 14:10:52,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 14:10:52,940 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:52,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:53,008 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:10:53,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:53,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 604 states and 929 transitions. [2018-11-23 14:10:53,018 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 929 transitions. [2018-11-23 14:10:53,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 14:10:53,019 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:53,085 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:10:53,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:53,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 605 states and 930 transitions. [2018-11-23 14:10:53,094 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 930 transitions. [2018-11-23 14:10:53,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 14:10:53,096 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:53,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:10:53,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:53,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 607 states and 933 transitions. [2018-11-23 14:10:53,171 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 933 transitions. [2018-11-23 14:10:53,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 14:10:53,173 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:53,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:53,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:10:53,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:53,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 608 states and 934 transitions. [2018-11-23 14:10:53,246 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 934 transitions. [2018-11-23 14:10:53,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 14:10:53,247 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:53,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:53,308 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:10:53,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:53,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 609 states and 934 transitions. [2018-11-23 14:10:53,316 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 934 transitions. [2018-11-23 14:10:53,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 14:10:53,317 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:53,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:53,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:10:53,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:53,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 611 states and 937 transitions. [2018-11-23 14:10:53,414 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 937 transitions. [2018-11-23 14:10:53,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 14:10:53,415 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:53,453 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:10:53,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:53,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 612 states and 937 transitions. [2018-11-23 14:10:53,459 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 937 transitions. [2018-11-23 14:10:53,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 14:10:53,460 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:53,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:53,500 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:10:53,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:53,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 619 states and 961 transitions. [2018-11-23 14:10:53,507 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 961 transitions. [2018-11-23 14:10:53,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 14:10:53,508 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:53,547 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:10:53,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:53,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 622 states and 965 transitions. [2018-11-23 14:10:53,553 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 965 transitions. [2018-11-23 14:10:53,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 14:10:53,554 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:53,591 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:10:53,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:53,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 625 states and 968 transitions. [2018-11-23 14:10:53,599 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 968 transitions. [2018-11-23 14:10:53,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 14:10:53,600 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:53,754 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:10:53,762 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:10:53,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:53,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 625 states and 965 transitions. [2018-11-23 14:10:53,768 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 965 transitions. [2018-11-23 14:10:53,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-23 14:10:53,770 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:53,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:53,859 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 14:10:54,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:54,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 627 states and 967 transitions. [2018-11-23 14:10:54,023 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 967 transitions. [2018-11-23 14:10:54,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 14:10:54,025 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:54,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:54,066 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:10:54,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:54,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 628 states and 968 transitions. [2018-11-23 14:10:54,073 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 968 transitions. [2018-11-23 14:10:54,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 14:10:54,074 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:54,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:54,119 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:10:54,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:54,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 631 states and 972 transitions. [2018-11-23 14:10:54,129 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 972 transitions. [2018-11-23 14:10:54,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 14:10:54,130 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:54,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:54,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:10:54,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:54,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 633 states and 974 transitions. [2018-11-23 14:10:54,617 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 974 transitions. [2018-11-23 14:10:54,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 14:10:54,619 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:54,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:54,681 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:10:54,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:54,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 634 states and 975 transitions. [2018-11-23 14:10:54,690 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 975 transitions. [2018-11-23 14:10:54,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-23 14:10:54,692 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:54,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:54,927 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:10:54,935 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:10:54,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:54,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 662 states and 1021 transitions. [2018-11-23 14:10:54,988 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1021 transitions. [2018-11-23 14:10:54,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 14:10:54,991 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:55,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:55,103 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:10:55,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:55,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 664 states and 1023 transitions. [2018-11-23 14:10:55,126 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 1023 transitions. [2018-11-23 14:10:55,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 14:10:55,128 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:55,187 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:10:55,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:55,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 665 states and 1024 transitions. [2018-11-23 14:10:55,195 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 1024 transitions. [2018-11-23 14:10:55,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 14:10:55,197 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:55,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:55,401 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:10:55,408 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:10:55,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:55,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 693 states and 1070 transitions. [2018-11-23 14:10:55,532 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 1070 transitions. [2018-11-23 14:10:55,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 14:10:55,534 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:55,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:55,592 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:10:55,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:55,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 695 states and 1074 transitions. [2018-11-23 14:10:55,733 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 1074 transitions. [2018-11-23 14:10:55,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 14:10:55,734 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:55,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:55,773 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:10:55,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:55,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 697 states and 1076 transitions. [2018-11-23 14:10:55,785 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 1076 transitions. [2018-11-23 14:10:55,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 14:10:55,786 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:55,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:55,826 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:10:55,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:55,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 698 states and 1077 transitions. [2018-11-23 14:10:55,837 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 1077 transitions. [2018-11-23 14:10:55,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 14:10:55,839 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:55,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:55,886 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:10:55,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:55,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 699 states and 1077 transitions. [2018-11-23 14:10:55,892 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 1077 transitions. [2018-11-23 14:10:55,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 14:10:55,893 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:56,053 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:10:56,057 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:10:56,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:56,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 699 states and 1074 transitions. [2018-11-23 14:10:56,063 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 1074 transitions. [2018-11-23 14:10:56,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-23 14:10:56,064 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:56,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:56,104 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 14:10:56,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:56,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 700 states and 1075 transitions. [2018-11-23 14:10:56,111 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 1075 transitions. [2018-11-23 14:10:56,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 14:10:56,112 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:56,266 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:10:56,272 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:10:56,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:56,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 712 states and 1086 transitions. [2018-11-23 14:10:56,313 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 1086 transitions. [2018-11-23 14:10:56,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 14:10:56,315 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:56,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:56,349 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:10:56,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:56,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 712 states and 1085 transitions. [2018-11-23 14:10:56,354 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 1085 transitions. [2018-11-23 14:10:56,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 14:10:56,355 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:56,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:56,391 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:10:56,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:56,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 715 states and 1088 transitions. [2018-11-23 14:10:56,652 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 1088 transitions. [2018-11-23 14:10:56,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 14:10:56,653 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:56,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:56,794 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:10:56,799 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:10:56,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:56,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 723 states and 1108 transitions. [2018-11-23 14:10:56,819 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 1108 transitions. [2018-11-23 14:10:56,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 14:10:56,821 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:57,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:57,016 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:10:57,022 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:10:57,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:57,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 735 states and 1119 transitions. [2018-11-23 14:10:57,064 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1119 transitions. [2018-11-23 14:10:57,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 14:10:57,066 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:57,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:57,216 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:10:57,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:57,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 737 states and 1120 transitions. [2018-11-23 14:10:57,488 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1120 transitions. [2018-11-23 14:10:57,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 14:10:57,490 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:57,633 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:10:57,638 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 14:10:57,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:57,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 740 states and 1122 transitions. [2018-11-23 14:10:57,729 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1122 transitions. [2018-11-23 14:10:57,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 14:10:57,730 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:57,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:57,862 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:10:57,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:10:57,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:57,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 741 states and 1123 transitions. [2018-11-23 14:10:57,872 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 1123 transitions. [2018-11-23 14:10:57,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 14:10:57,873 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:58,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:58,079 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:10:58,083 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:10:58,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:58,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 748 states and 1133 transitions. [2018-11-23 14:10:58,100 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1133 transitions. [2018-11-23 14:10:58,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 14:10:58,100 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:58,259 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:10:58,262 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:10:58,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:58,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 756 states and 1153 transitions. [2018-11-23 14:10:58,282 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 1153 transitions. [2018-11-23 14:10:58,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 14:10:58,283 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:58,322 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:10:58,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:58,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 758 states and 1154 transitions. [2018-11-23 14:10:58,544 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 1154 transitions. [2018-11-23 14:10:58,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 14:10:58,544 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:58,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:58,705 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:10:58,712 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 14:10:58,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:58,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 761 states and 1156 transitions. [2018-11-23 14:10:58,847 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 1156 transitions. [2018-11-23 14:10:58,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 14:10:58,848 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:58,990 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:10:58,993 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:10:58,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:58,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 762 states and 1157 transitions. [2018-11-23 14:10:58,999 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1157 transitions. [2018-11-23 14:10:59,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 14:10:59,001 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:59,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:59,159 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:10:59,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:10:59,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:59,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 769 states and 1167 transitions. [2018-11-23 14:10:59,184 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1167 transitions. [2018-11-23 14:10:59,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 14:10:59,185 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:59,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:59,221 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 14:10:59,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:59,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 771 states and 1169 transitions. [2018-11-23 14:10:59,502 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1169 transitions. [2018-11-23 14:10:59,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 14:10:59,503 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:59,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:59,643 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:10:59,646 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:10:59,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:59,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 779 states and 1184 transitions. [2018-11-23 14:10:59,673 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1184 transitions. [2018-11-23 14:10:59,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-23 14:10:59,674 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:59,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:59,820 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:10:59,824 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:10:59,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:10:59,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 788 states and 1210 transitions. [2018-11-23 14:10:59,843 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1210 transitions. [2018-11-23 14:10:59,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 14:10:59,844 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:10:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:10:59,984 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:10:59,989 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:11:00,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:00,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 796 states and 1225 transitions. [2018-11-23 14:11:00,027 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1225 transitions. [2018-11-23 14:11:00,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 14:11:00,028 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:00,178 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:00,181 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:11:00,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:00,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 797 states and 1226 transitions. [2018-11-23 14:11:00,188 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1226 transitions. [2018-11-23 14:11:00,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 14:11:00,189 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:00,346 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:00,351 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:11:00,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:00,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 806 states and 1252 transitions. [2018-11-23 14:11:00,382 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1252 transitions. [2018-11-23 14:11:00,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 14:11:00,383 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:00,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:00,542 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:00,547 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:11:00,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:00,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 807 states and 1253 transitions. [2018-11-23 14:11:00,553 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1253 transitions. [2018-11-23 14:11:00,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 14:11:00,554 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:00,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:00,751 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:00,755 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:11:00,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:00,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 808 states and 1254 transitions. [2018-11-23 14:11:00,760 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1254 transitions. [2018-11-23 14:11:00,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-23 14:11:00,761 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:00,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:00,891 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:00,894 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:11:00,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:00,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 809 states and 1255 transitions. [2018-11-23 14:11:00,900 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1255 transitions. [2018-11-23 14:11:00,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-23 14:11:00,901 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:00,958 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 14:11:00,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:00,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 815 states and 1263 transitions. [2018-11-23 14:11:00,986 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1263 transitions. [2018-11-23 14:11:00,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-23 14:11:00,987 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:01,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:01,053 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 14:11:01,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:01,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 816 states and 1263 transitions. [2018-11-23 14:11:01,087 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1263 transitions. [2018-11-23 14:11:01,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 14:11:01,089 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:01,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:01,248 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:01,254 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:11:01,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:01,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 823 states and 1280 transitions. [2018-11-23 14:11:01,282 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1280 transitions. [2018-11-23 14:11:01,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 14:11:01,284 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:01,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:01,492 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:01,496 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:11:01,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:01,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 825 states and 1280 transitions. [2018-11-23 14:11:01,511 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1280 transitions. [2018-11-23 14:11:01,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 14:11:01,512 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:01,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:01,551 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 14:11:01,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:01,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 831 states and 1288 transitions. [2018-11-23 14:11:01,582 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1288 transitions. [2018-11-23 14:11:01,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 14:11:01,583 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:01,625 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 14:11:01,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:01,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 832 states and 1288 transitions. [2018-11-23 14:11:01,642 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1288 transitions. [2018-11-23 14:11:01,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-23 14:11:01,643 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:01,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:01,782 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:01,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:11:01,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:01,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1321 states to 839 states and 1305 transitions. [2018-11-23 14:11:01,806 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1305 transitions. [2018-11-23 14:11:01,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-23 14:11:01,807 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:01,935 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:01,940 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:11:01,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:01,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1321 states to 841 states and 1305 transitions. [2018-11-23 14:11:01,969 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1305 transitions. [2018-11-23 14:11:01,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-23 14:11:01,970 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:02,104 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:02,109 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:11:02,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:02,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 853 states and 1321 transitions. [2018-11-23 14:11:02,129 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1321 transitions. [2018-11-23 14:11:02,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 14:11:02,130 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:02,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:02,261 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:02,264 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:11:02,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:02,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 865 states and 1337 transitions. [2018-11-23 14:11:02,296 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1337 transitions. [2018-11-23 14:11:02,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-23 14:11:02,297 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:02,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:02,442 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:02,449 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:11:02,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:02,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 867 states and 1337 transitions. [2018-11-23 14:11:02,465 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1337 transitions. [2018-11-23 14:11:02,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-23 14:11:02,466 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:02,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:02,518 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-23 14:11:02,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:02,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 871 states and 1343 transitions. [2018-11-23 14:11:02,539 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1343 transitions. [2018-11-23 14:11:02,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-23 14:11:02,540 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:02,758 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:02,762 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 14:11:02,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:02,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 873 states and 1343 transitions. [2018-11-23 14:11:02,779 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1343 transitions. [2018-11-23 14:11:02,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-23 14:11:02,780 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:02,822 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-23 14:11:02,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:02,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1365 states to 877 states and 1349 transitions. [2018-11-23 14:11:02,832 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1349 transitions. [2018-11-23 14:11:02,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 14:11:02,834 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:02,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:02,875 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 14:11:02,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:02,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 881 states and 1355 transitions. [2018-11-23 14:11:02,883 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1355 transitions. [2018-11-23 14:11:02,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-23 14:11:02,884 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:02,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:02,929 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 14:11:02,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:02,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 885 states and 1361 transitions. [2018-11-23 14:11:02,941 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1361 transitions. [2018-11-23 14:11:02,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-23 14:11:02,942 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:02,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:02,987 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-23 14:11:02,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:03,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 890 states and 1369 transitions. [2018-11-23 14:11:03,001 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1369 transitions. [2018-11-23 14:11:03,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-23 14:11:03,001 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:03,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:03,048 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-23 14:11:03,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:03,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 895 states and 1377 transitions. [2018-11-23 14:11:03,075 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1377 transitions. [2018-11-23 14:11:03,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-23 14:11:03,077 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:03,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:03,262 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:03,268 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-23 14:11:03,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:03,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 895 states and 1376 transitions. [2018-11-23 14:11:03,277 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1376 transitions. [2018-11-23 14:11:03,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 14:11:03,279 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:03,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:03,463 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:03,471 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-23 14:11:03,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:03,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 909 states and 1408 transitions. [2018-11-23 14:11:03,524 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1408 transitions. [2018-11-23 14:11:03,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-23 14:11:03,526 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:03,679 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:03,685 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-23 14:11:03,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:03,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 923 states and 1440 transitions. [2018-11-23 14:11:03,734 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1440 transitions. [2018-11-23 14:11:03,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-23 14:11:03,735 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:03,894 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:03,905 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-23 14:11:03,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:03,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 930 states and 1448 transitions. [2018-11-23 14:11:03,924 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1448 transitions. [2018-11-23 14:11:03,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-23 14:11:03,926 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:04,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:04,107 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:04,117 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-23 14:11:04,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:04,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1472 states to 937 states and 1456 transitions. [2018-11-23 14:11:04,131 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1456 transitions. [2018-11-23 14:11:04,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-23 14:11:04,132 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:04,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:04,335 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:04,339 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-23 14:11:04,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:04,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 937 states and 1455 transitions. [2018-11-23 14:11:04,345 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1455 transitions. [2018-11-23 14:11:04,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-23 14:11:04,347 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:04,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:04,498 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:04,504 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-23 14:11:04,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:04,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 941 states and 1462 transitions. [2018-11-23 14:11:04,511 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1462 transitions. [2018-11-23 14:11:04,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 14:11:04,512 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:04,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:04,669 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:04,679 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-23 14:11:04,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:04,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 945 states and 1469 transitions. [2018-11-23 14:11:04,688 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1469 transitions. [2018-11-23 14:11:04,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-23 14:11:04,689 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:04,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:04,846 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:04,859 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-23 14:11:04,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:04,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 949 states and 1473 transitions. [2018-11-23 14:11:04,886 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1473 transitions. [2018-11-23 14:11:04,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-23 14:11:04,887 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:05,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:05,137 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:05,150 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-23 14:11:05,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:05,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 953 states and 1477 transitions. [2018-11-23 14:11:05,180 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1477 transitions. [2018-11-23 14:11:05,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-23 14:11:05,181 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:05,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:05,415 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:05,429 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 14:11:05,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:05,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1498 states to 959 states and 1482 transitions. [2018-11-23 14:11:05,460 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1482 transitions. [2018-11-23 14:11:05,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-23 14:11:05,461 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:05,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:05,644 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:05,652 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-23 14:11:05,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:05,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 969 states and 1499 transitions. [2018-11-23 14:11:05,675 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1499 transitions. [2018-11-23 14:11:05,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-23 14:11:05,677 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:05,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:05,871 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:05,878 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-23 14:11:05,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:05,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 978 states and 1517 transitions. [2018-11-23 14:11:05,895 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1517 transitions. [2018-11-23 14:11:05,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-23 14:11:05,896 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:06,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:06,066 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:06,074 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 14:11:06,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:06,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1538 states to 984 states and 1522 transitions. [2018-11-23 14:11:06,096 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1522 transitions. [2018-11-23 14:11:06,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-23 14:11:06,097 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:06,283 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:06,299 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-23 14:11:06,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:06,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 994 states and 1539 transitions. [2018-11-23 14:11:06,329 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1539 transitions. [2018-11-23 14:11:06,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-23 14:11:06,331 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:06,526 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:06,589 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-23 14:11:06,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:06,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 1003 states and 1557 transitions. [2018-11-23 14:11:06,625 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1557 transitions. [2018-11-23 14:11:06,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-23 14:11:06,626 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:06,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:06,785 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:06,796 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-23 14:11:06,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:06,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1577 states to 1007 states and 1561 transitions. [2018-11-23 14:11:06,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1561 transitions. [2018-11-23 14:11:06,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-23 14:11:06,813 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:06,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:06,974 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:06,981 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-23 14:11:06,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:06,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1011 states and 1565 transitions. [2018-11-23 14:11:06,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1565 transitions. [2018-11-23 14:11:06,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-23 14:11:06,998 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:07,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:07,174 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:07,185 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-23 14:11:07,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:07,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1590 states to 1018 states and 1574 transitions. [2018-11-23 14:11:07,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1574 transitions. [2018-11-23 14:11:07,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-23 14:11:07,205 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:07,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:07,375 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:07,383 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-23 14:11:07,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:07,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1025 states and 1583 transitions. [2018-11-23 14:11:07,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 1583 transitions. [2018-11-23 14:11:07,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-23 14:11:07,408 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:07,576 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:07,584 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2018-11-23 14:11:07,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:07,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 1029 states and 1587 transitions. [2018-11-23 14:11:07,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1587 transitions. [2018-11-23 14:11:07,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-23 14:11:07,600 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:07,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:07,776 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:07,786 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-11-23 14:11:07,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:07,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 1031 states and 1587 transitions. [2018-11-23 14:11:07,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1587 transitions. [2018-11-23 14:11:07,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-23 14:11:07,803 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:07,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:07,981 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:07,989 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2018-11-23 14:11:08,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:08,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1607 states to 1035 states and 1591 transitions. [2018-11-23 14:11:08,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1591 transitions. [2018-11-23 14:11:08,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-23 14:11:08,006 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:08,189 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:08,199 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-11-23 14:11:08,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:08,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1607 states to 1037 states and 1591 transitions. [2018-11-23 14:11:08,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1591 transitions. [2018-11-23 14:11:08,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-23 14:11:08,217 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:08,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:08,394 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:08,409 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2018-11-23 14:11:08,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:08,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 838 states and 1287 transitions. [2018-11-23 14:11:08,429 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1287 transitions. [2018-11-23 14:11:08,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-23 14:11:08,430 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:11:08,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:11:08,679 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:11:08,694 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2018-11-23 14:11:08,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:11:08,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1609 states to 636 states and 981 transitions. [2018-11-23 14:11:08,712 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 981 transitions. [2018-11-23 14:11:08,713 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 14:11:08,713 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 126 iterations. [2018-11-23 14:11:08,720 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 14:11:09,247 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,250 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,250 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,250 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,250 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,250 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,250 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,250 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,250 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,250 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,250 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,250 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,250 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,250 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,251 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,251 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,251 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,251 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,251 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,251 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,251 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,251 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,251 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,251 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,251 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,251 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,252 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,252 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,252 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,252 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,252 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,252 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,252 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,252 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,252 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,252 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,252 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,252 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,252 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,252 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,252 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,253 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,253 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,253 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,253 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,253 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,253 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,253 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,253 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,253 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,253 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,253 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,253 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,253 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,253 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,253 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,254 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,254 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,254 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,254 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,254 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,254 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,254 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,254 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,254 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,254 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,254 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,254 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,254 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,254 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,254 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,254 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,254 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,254 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,255 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,255 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,255 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,255 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,255 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,255 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,255 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,255 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,255 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,255 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,255 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,255 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,255 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,255 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,255 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,255 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,256 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,256 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,256 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 14:11:09,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 02:11:09 ImpRootNode [2018-11-23 14:11:09,256 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 14:11:09,256 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 14:11:09,256 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 14:11:09,257 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 14:11:09,257 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:10:49" (3/4) ... [2018-11-23 14:11:09,260 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 14:11:09,265 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure sm_get_zone [2018-11-23 14:11:09,265 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure sm_block_valid [2018-11-23 14:11:09,265 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure sm_mark_block_bad [2018-11-23 14:11:09,265 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure sm_module_init [2018-11-23 14:11:09,266 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure sm_mkoffset [2018-11-23 14:11:09,266 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure sm_check_block [2018-11-23 14:11:09,266 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2018-11-23 14:11:09,266 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure is_power_of_2 [2018-11-23 14:11:09,266 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure sm_getgeo [2018-11-23 14:11:09,266 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~~loff_t~0~X~$Pointer$~TO~int [2018-11-23 14:11:09,266 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kmalloc [2018-11-23 14:11:09,266 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __arch_hweight16 [2018-11-23 14:11:09,266 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure sm_cache_put [2018-11-23 14:11:09,266 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure sm_read_cis [2018-11-23 14:11:09,266 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure clear_bit [2018-11-23 14:11:09,266 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure sm_recheck_media [2018-11-23 14:11:09,266 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2018-11-23 14:11:09,266 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure sm_write_sector [2018-11-23 14:11:09,266 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure sm_get_lba [2018-11-23 14:11:09,266 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure sm_cache_init [2018-11-23 14:11:09,266 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kfifo_uint_must_check_helper [2018-11-23 14:11:09,267 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure sm_sector_valid [2018-11-23 14:11:09,267 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2018-11-23 14:11:09,267 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure variable_test_bit [2018-11-23 14:11:09,267 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure sm_erase_block [2018-11-23 14:11:09,267 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure PTR_ERR [2018-11-23 14:11:09,267 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure sm_cache_flush [2018-11-23 14:11:09,267 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure sm_read_lba [2018-11-23 14:11:09,267 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure sm_module_exit [2018-11-23 14:11:09,267 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure sm_break_offset [2018-11-23 14:11:09,267 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure sm_read_sector [2018-11-23 14:11:09,267 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_blast_assert [2018-11-23 14:11:09,268 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IS_ERR [2018-11-23 14:11:09,294 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 389 nodes and edges [2018-11-23 14:11:09,296 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 104 nodes and edges [2018-11-23 14:11:09,298 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-11-23 14:11:09,300 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 14:11:09,302 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 14:11:09,304 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 14:11:09,307 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 14:11:09,513 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a3dd5ac2-d3f5-4c80-baae-14b6a5381501/bin-2019/ukojak/witness.graphml [2018-11-23 14:11:09,513 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 14:11:09,514 INFO L168 Benchmark]: Toolchain (without parser) took 26465.51 ms. Allocated memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: 1.5 GB). Free memory was 950.1 MB in the beginning and 2.0 GB in the end (delta: -1.0 GB). Peak memory consumption was 441.7 MB. Max. memory is 11.5 GB. [2018-11-23 14:11:09,515 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:11:09,515 INFO L168 Benchmark]: CACSL2BoogieTranslator took 987.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 950.1 MB in the beginning and 1.0 GB in the end (delta: -92.6 MB). Peak memory consumption was 79.7 MB. Max. memory is 11.5 GB. [2018-11-23 14:11:09,516 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.27 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-23 14:11:09,516 INFO L168 Benchmark]: Boogie Preprocessor took 127.50 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: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-11-23 14:11:09,516 INFO L168 Benchmark]: RCFGBuilder took 5185.28 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -55.9 MB). Peak memory consumption was 239.7 MB. Max. memory is 11.5 GB. [2018-11-23 14:11:09,516 INFO L168 Benchmark]: CodeCheck took 19807.34 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.2 GB). Free memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 221.7 MB. Max. memory is 11.5 GB. [2018-11-23 14:11:09,516 INFO L168 Benchmark]: Witness Printer took 256.87 ms. Allocated memory is still 2.5 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 123.9 MB). Peak memory consumption was 123.9 MB. Max. memory is 11.5 GB. [2018-11-23 14:11:09,518 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 34 procedures, 684 locations, 1 error locations. SAFE Result, 19.2s OverallTime, 126 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -473083948 SDtfs, 1488277476 SDslu, 668258048 SDs, 0 SdLazy, -54896396 SolverSat, -1137619056 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 94.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 74642 GetRequests, 74546 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3140 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 2.2s SsaConstructionTime, 7.5s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 8245 NumberOfCodeBlocks, 8245 NumberOfCodeBlocksAsserted, 125 NumberOfCheckSat, 8120 ConstructedInterpolants, 0 QuantifiedInterpolants, 1734872 SizeOfPredicates, 0 NumberOfNonLiveVariables, 70611 ConjunctsInSsa, 160 ConjunctsInUnsatCore, 125 InterpolantComputations, 125 PerfectInterpolantSequences, 2765/2765 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: 6599]: 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: 5212]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5616]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5113]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4665]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4665]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4682]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6079]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6749]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5304]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3815]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3868]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5853]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6524]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6512]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4348]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5524]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3903]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4395]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4894]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4982]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5940]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5939]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6079]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5070]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4425]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6308]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4575]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6496]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5687]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6753]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5947]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3801]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4888]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4883]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5369]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6530]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5113]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5937]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6079]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6521]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5667]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6047]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4891]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6311]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4521]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6079]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4388]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4385]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4808]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5075]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5112]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6032]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4879]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5277]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6515]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3502]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5304]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4981]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3902]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3815]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5055]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4189]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6309]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6079]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6518]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4345]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4816]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5075]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3815]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4543]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6079]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5450]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5449]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5532]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4634]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5566]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5724]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5680]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5679]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4590]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6495]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6527]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4544]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5994]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5324]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4897]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4689]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4633]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5303]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 987.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 950.1 MB in the beginning and 1.0 GB in the end (delta: -92.6 MB). Peak memory consumption was 79.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 97.27 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 127.50 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: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 5185.28 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -55.9 MB). Peak memory consumption was 239.7 MB. Max. memory is 11.5 GB. * CodeCheck took 19807.34 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.2 GB). Free memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 221.7 MB. Max. memory is 11.5 GB. * Witness Printer took 256.87 ms. Allocated memory is still 2.5 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 123.9 MB). Peak memory consumption was 123.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...