./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_true-unreach-call_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1ce9a49c-7fe3-4f38-88d3-01bfe0b434fb/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1ce9a49c-7fe3-4f38-88d3-01bfe0b434fb/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1ce9a49c-7fe3-4f38-88d3-01bfe0b434fb/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1ce9a49c-7fe3-4f38-88d3-01bfe0b434fb/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_true-unreach-call_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1ce9a49c-7fe3-4f38-88d3-01bfe0b434fb/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1ce9a49c-7fe3-4f38-88d3-01bfe0b434fb/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 dd859acbda97e62ef9831f2fdc5283f48d61b674 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 22:21:45,191 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 22:21:45,192 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 22:21:45,198 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 22:21:45,198 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 22:21:45,199 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 22:21:45,199 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 22:21:45,200 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 22:21:45,201 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 22:21:45,201 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 22:21:45,202 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 22:21:45,202 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 22:21:45,202 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 22:21:45,203 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 22:21:45,203 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 22:21:45,204 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 22:21:45,204 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 22:21:45,205 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 22:21:45,206 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 22:21:45,207 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 22:21:45,207 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 22:21:45,208 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 22:21:45,209 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 22:21:45,209 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 22:21:45,209 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 22:21:45,210 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 22:21:45,210 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 22:21:45,211 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 22:21:45,211 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 22:21:45,212 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 22:21:45,212 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 22:21:45,212 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 22:21:45,212 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 22:21:45,212 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 22:21:45,213 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 22:21:45,213 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 22:21:45,213 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1ce9a49c-7fe3-4f38-88d3-01bfe0b434fb/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2018-12-08 22:21:45,220 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 22:21:45,221 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 22:21:45,221 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 22:21:45,221 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 22:21:45,222 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 22:21:45,222 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 22:21:45,222 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 22:21:45,222 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 22:21:45,222 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 22:21:45,222 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 22:21:45,222 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 22:21:45,223 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 22:21:45,223 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 22:21:45,223 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 22:21:45,223 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 22:21:45,223 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 22:21:45,223 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 22:21:45,223 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 22:21:45,223 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 22:21:45,224 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 22:21:45,224 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 22:21:45,224 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 22:21:45,224 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 22:21:45,224 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 22:21:45,224 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 22:21:45,224 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 22:21:45,225 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 22:21:45,225 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_1ce9a49c-7fe3-4f38-88d3-01bfe0b434fb/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 -> dd859acbda97e62ef9831f2fdc5283f48d61b674 [2018-12-08 22:21:45,243 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 22:21:45,252 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 22:21:45,254 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 22:21:45,255 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 22:21:45,256 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 22:21:45,256 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1ce9a49c-7fe3-4f38-88d3-01bfe0b434fb/bin-2019/ukojak/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_true-unreach-call_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2018-12-08 22:21:45,294 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1ce9a49c-7fe3-4f38-88d3-01bfe0b434fb/bin-2019/ukojak/data/01b6f0472/be5e3565d90a4da4a9691f68f12d3d83/FLAG521bdd49f [2018-12-08 22:21:45,810 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 22:21:45,810 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1ce9a49c-7fe3-4f38-88d3-01bfe0b434fb/sv-benchmarks/c/ldv-consumption/32_7a_cilled_true-unreach-call_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2018-12-08 22:21:45,827 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1ce9a49c-7fe3-4f38-88d3-01bfe0b434fb/bin-2019/ukojak/data/01b6f0472/be5e3565d90a4da4a9691f68f12d3d83/FLAG521bdd49f [2018-12-08 22:21:46,276 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1ce9a49c-7fe3-4f38-88d3-01bfe0b434fb/bin-2019/ukojak/data/01b6f0472/be5e3565d90a4da4a9691f68f12d3d83 [2018-12-08 22:21:46,278 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 22:21:46,279 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 22:21:46,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 22:21:46,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 22:21:46,282 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 22:21:46,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:21:46" (1/1) ... [2018-12-08 22:21:46,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d04ea20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:21:46, skipping insertion in model container [2018-12-08 22:21:46,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:21:46" (1/1) ... [2018-12-08 22:21:46,288 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 22:21:46,333 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 22:21:47,067 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:21:47,085 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 22:21:47,251 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:21:47,283 INFO L195 MainTranslator]: Completed translation [2018-12-08 22:21:47,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:21:47 WrapperNode [2018-12-08 22:21:47,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 22:21:47,284 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 22:21:47,284 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 22:21:47,284 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 22:21:47,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:21:47" (1/1) ... [2018-12-08 22:21:47,318 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:21:47" (1/1) ... [2018-12-08 22:21:47,351 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 22:21:47,351 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 22:21:47,351 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 22:21:47,351 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 22:21:47,357 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:21:47" (1/1) ... [2018-12-08 22:21:47,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:21:47" (1/1) ... [2018-12-08 22:21:47,363 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:21:47" (1/1) ... [2018-12-08 22:21:47,363 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:21:47" (1/1) ... [2018-12-08 22:21:47,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:21:47" (1/1) ... [2018-12-08 22:21:47,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:21:47" (1/1) ... [2018-12-08 22:21:47,391 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:21:47" (1/1) ... [2018-12-08 22:21:47,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 22:21:47,398 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 22:21:47,398 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 22:21:47,398 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 22:21:47,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:21:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1ce9a49c-7fe3-4f38-88d3-01bfe0b434fb/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 22:21:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2018-12-08 22:21:47,435 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2018-12-08 22:21:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_exit [2018-12-08 22:21:47,435 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_exit [2018-12-08 22:21:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2018-12-08 22:21:47,435 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2018-12-08 22:21:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 22:21:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 22:21:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2018-12-08 22:21:47,436 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2018-12-08 22:21:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2018-12-08 22:21:47,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2018-12-08 22:21:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_exit [2018-12-08 22:21:47,436 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_exit [2018-12-08 22:21:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 22:21:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-12-08 22:21:47,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-12-08 22:21:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2018-12-08 22:21:47,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2018-12-08 22:21:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kfree [2018-12-08 22:21:47,437 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kfree [2018-12-08 22:21:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-08 22:21:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-08 22:21:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_exit [2018-12-08 22:21:47,438 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_exit [2018-12-08 22:21:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-08 22:21:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2018-12-08 22:21:47,438 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2018-12-08 22:21:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 22:21:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 22:21:47,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 22:21:52,491 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 22:21:52,492 INFO L280 CfgBuilder]: Removed 83 assue(true) statements. [2018-12-08 22:21:52,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:21:52 BoogieIcfgContainer [2018-12-08 22:21:52,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 22:21:52,492 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 22:21:52,492 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 22:21:52,499 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 22:21:52,499 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:21:52" (1/1) ... [2018-12-08 22:21:52,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:21:52,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:52,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 110 states and 156 transitions. [2018-12-08 22:21:52,529 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 156 transitions. [2018-12-08 22:21:52,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-08 22:21:52,533 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:52,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:52,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:21:52,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:52,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 115 states and 169 transitions. [2018-12-08 22:21:52,827 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 169 transitions. [2018-12-08 22:21:52,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 22:21:52,828 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:52,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:52,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:21:53,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:53,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 124 states and 194 transitions. [2018-12-08 22:21:53,033 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 194 transitions. [2018-12-08 22:21:53,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 22:21:53,034 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:53,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:53,101 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 22:21:53,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:53,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 125 states and 195 transitions. [2018-12-08 22:21:53,108 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 195 transitions. [2018-12-08 22:21:53,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 22:21:53,108 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:53,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:21:53,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:53,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 135 states and 221 transitions. [2018-12-08 22:21:53,404 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 221 transitions. [2018-12-08 22:21:53,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-08 22:21:53,405 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:53,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:53,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:21:53,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:53,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 146 states and 248 transitions. [2018-12-08 22:21:53,814 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 248 transitions. [2018-12-08 22:21:53,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 22:21:53,815 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:53,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:53,851 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 22:21:53,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:53,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 147 states and 249 transitions. [2018-12-08 22:21:53,854 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 249 transitions. [2018-12-08 22:21:53,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 22:21:53,855 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:53,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:53,901 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:21:54,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:54,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 150 states and 262 transitions. [2018-12-08 22:21:54,150 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 262 transitions. [2018-12-08 22:21:54,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 22:21:54,151 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:54,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:54,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 22:21:54,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:54,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 151 states and 262 transitions. [2018-12-08 22:21:54,313 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 262 transitions. [2018-12-08 22:21:54,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 22:21:54,314 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:54,366 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-08 22:21:54,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:54,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 152 states and 263 transitions. [2018-12-08 22:21:54,424 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 263 transitions. [2018-12-08 22:21:54,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 22:21:54,424 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:54,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:54,476 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 22:21:54,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:54,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 153 states and 263 transitions. [2018-12-08 22:21:54,557 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 263 transitions. [2018-12-08 22:21:54,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 22:21:54,558 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:54,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:54,583 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:21:54,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:54,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 154 states and 263 transitions. [2018-12-08 22:21:54,590 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 263 transitions. [2018-12-08 22:21:54,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 22:21:54,591 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:54,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:54,621 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-08 22:21:54,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:54,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 160 states and 278 transitions. [2018-12-08 22:21:54,755 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 278 transitions. [2018-12-08 22:21:54,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 22:21:54,756 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:54,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:54,785 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-08 22:21:54,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:54,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 161 states and 278 transitions. [2018-12-08 22:21:54,794 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 278 transitions. [2018-12-08 22:21:54,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 22:21:54,794 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:54,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:54,817 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 22:21:54,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:54,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 162 states and 279 transitions. [2018-12-08 22:21:54,820 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 279 transitions. [2018-12-08 22:21:54,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 22:21:54,821 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:54,851 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-08 22:21:54,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:54,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 168 states and 294 transitions. [2018-12-08 22:21:54,993 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 294 transitions. [2018-12-08 22:21:54,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 22:21:54,994 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:55,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:55,037 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-08 22:21:55,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:55,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 169 states and 294 transitions. [2018-12-08 22:21:55,047 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 294 transitions. [2018-12-08 22:21:55,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 22:21:55,047 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:55,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:55,092 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-08 22:21:55,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:55,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 175 states and 309 transitions. [2018-12-08 22:21:55,179 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 309 transitions. [2018-12-08 22:21:55,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 22:21:55,180 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:55,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:55,222 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-08 22:21:55,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:55,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 176 states and 309 transitions. [2018-12-08 22:21:55,231 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 309 transitions. [2018-12-08 22:21:55,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 22:21:55,232 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:55,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:55,272 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:21:55,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:55,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 179 states and 323 transitions. [2018-12-08 22:21:55,635 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 323 transitions. [2018-12-08 22:21:55,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 22:21:55,635 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:55,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:55,669 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 22:21:55,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:55,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 182 states and 327 transitions. [2018-12-08 22:21:55,679 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 327 transitions. [2018-12-08 22:21:55,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 22:21:55,679 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:55,701 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 22:21:55,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:55,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 183 states and 327 transitions. [2018-12-08 22:21:55,707 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 327 transitions. [2018-12-08 22:21:55,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 22:21:55,708 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:55,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:55,772 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:21:56,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:56,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 188 states and 346 transitions. [2018-12-08 22:21:56,208 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 346 transitions. [2018-12-08 22:21:56,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 22:21:56,209 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:56,251 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 22:21:56,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:56,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 190 states and 351 transitions. [2018-12-08 22:21:56,380 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 351 transitions. [2018-12-08 22:21:56,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 22:21:56,381 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:56,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:56,416 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 22:21:56,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:56,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 191 states and 351 transitions. [2018-12-08 22:21:56,561 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 351 transitions. [2018-12-08 22:21:56,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 22:21:56,562 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:56,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:56,583 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:21:56,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:56,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 194 states and 362 transitions. [2018-12-08 22:21:56,853 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 362 transitions. [2018-12-08 22:21:56,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 22:21:56,853 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:56,879 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 22:21:56,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:56,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 195 states and 363 transitions. [2018-12-08 22:21:56,891 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 363 transitions. [2018-12-08 22:21:56,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 22:21:56,891 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:56,919 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 22:21:57,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:57,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 198 states and 369 transitions. [2018-12-08 22:21:57,190 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 369 transitions. [2018-12-08 22:21:57,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 22:21:57,191 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:57,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:57,228 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 22:21:57,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:57,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 199 states and 369 transitions. [2018-12-08 22:21:57,360 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 369 transitions. [2018-12-08 22:21:57,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 22:21:57,360 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:57,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:57,385 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 22:21:57,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:57,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 200 states and 370 transitions. [2018-12-08 22:21:57,390 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 370 transitions. [2018-12-08 22:21:57,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 22:21:57,390 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:57,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:57,417 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 22:21:57,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:57,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 201 states and 371 transitions. [2018-12-08 22:21:57,428 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 371 transitions. [2018-12-08 22:21:57,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 22:21:57,428 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:57,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:57,454 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 22:21:57,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:57,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 204 states and 377 transitions. [2018-12-08 22:21:57,690 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 377 transitions. [2018-12-08 22:21:57,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 22:21:57,692 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:57,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:57,740 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 22:21:57,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:57,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 205 states and 377 transitions. [2018-12-08 22:21:57,818 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 377 transitions. [2018-12-08 22:21:57,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 22:21:57,818 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:57,943 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 22:21:58,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:58,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 209 states and 392 transitions. [2018-12-08 22:21:58,724 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 392 transitions. [2018-12-08 22:21:58,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-08 22:21:58,724 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:58,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:58,787 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 22:21:58,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:58,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 210 states and 393 transitions. [2018-12-08 22:21:58,801 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 393 transitions. [2018-12-08 22:21:58,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-08 22:21:58,801 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:58,845 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 22:21:58,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:58,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 211 states and 395 transitions. [2018-12-08 22:21:58,850 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 395 transitions. [2018-12-08 22:21:58,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-08 22:21:58,850 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:58,873 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 22:21:58,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:58,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 212 states and 396 transitions. [2018-12-08 22:21:58,973 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 396 transitions. [2018-12-08 22:21:58,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 22:21:58,974 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:59,005 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 22:21:59,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:59,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 213 states and 396 transitions. [2018-12-08 22:21:59,018 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 396 transitions. [2018-12-08 22:21:59,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 22:21:59,019 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:59,047 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 22:21:59,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:59,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 216 states and 401 transitions. [2018-12-08 22:21:59,130 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 401 transitions. [2018-12-08 22:21:59,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 22:21:59,130 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:59,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:59,157 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 22:21:59,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:59,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 217 states and 402 transitions. [2018-12-08 22:21:59,170 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 402 transitions. [2018-12-08 22:21:59,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-08 22:21:59,170 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:59,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:59,213 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 22:21:59,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:59,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 222 states and 410 transitions. [2018-12-08 22:21:59,235 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 410 transitions. [2018-12-08 22:21:59,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-08 22:21:59,235 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:59,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:59,264 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 22:21:59,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:59,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 223 states and 411 transitions. [2018-12-08 22:21:59,268 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 411 transitions. [2018-12-08 22:21:59,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-08 22:21:59,269 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:59,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:59,301 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 22:21:59,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:59,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 224 states and 411 transitions. [2018-12-08 22:21:59,311 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 411 transitions. [2018-12-08 22:21:59,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-08 22:21:59,312 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:59,347 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 22:21:59,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:59,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 229 states and 419 transitions. [2018-12-08 22:21:59,378 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 419 transitions. [2018-12-08 22:21:59,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-08 22:21:59,379 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:59,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:59,409 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 22:21:59,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:59,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 230 states and 419 transitions. [2018-12-08 22:21:59,422 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 419 transitions. [2018-12-08 22:21:59,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-08 22:21:59,422 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:59,449 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 22:21:59,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:59,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 233 states and 424 transitions. [2018-12-08 22:21:59,481 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 424 transitions. [2018-12-08 22:21:59,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-08 22:21:59,482 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:59,507 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 22:21:59,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:59,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 234 states and 425 transitions. [2018-12-08 22:21:59,519 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 425 transitions. [2018-12-08 22:21:59,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-08 22:21:59,519 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:59,552 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 22:21:59,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:59,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 239 states and 433 transitions. [2018-12-08 22:21:59,581 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 433 transitions. [2018-12-08 22:21:59,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-08 22:21:59,582 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:59,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:59,763 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 22:21:59,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:59,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 242 states and 437 transitions. [2018-12-08 22:21:59,853 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 437 transitions. [2018-12-08 22:21:59,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-08 22:21:59,854 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:59,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:59,910 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 22:21:59,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:59,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 243 states and 437 transitions. [2018-12-08 22:21:59,917 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 437 transitions. [2018-12-08 22:21:59,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-08 22:21:59,918 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:59,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:59,997 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 22:22:00,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:00,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 244 states and 441 transitions. [2018-12-08 22:22:00,021 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 441 transitions. [2018-12-08 22:22:00,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-08 22:22:00,022 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:00,166 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 22:22:00,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:00,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 245 states and 441 transitions. [2018-12-08 22:22:00,172 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 441 transitions. [2018-12-08 22:22:00,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-08 22:22:00,173 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:00,267 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 22:22:01,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:01,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 249 states and 455 transitions. [2018-12-08 22:22:01,015 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 455 transitions. [2018-12-08 22:22:01,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-08 22:22:01,015 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:01,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:01,037 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 22:22:01,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:01,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 249 states and 454 transitions. [2018-12-08 22:22:01,047 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 454 transitions. [2018-12-08 22:22:01,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-08 22:22:01,048 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:01,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:01,070 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 22:22:01,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:01,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 249 states and 453 transitions. [2018-12-08 22:22:01,078 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 453 transitions. [2018-12-08 22:22:01,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-08 22:22:01,078 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:01,103 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 22:22:01,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:01,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 250 states and 454 transitions. [2018-12-08 22:22:01,222 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 454 transitions. [2018-12-08 22:22:01,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-08 22:22:01,222 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:01,351 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-08 22:22:01,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:01,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 251 states and 455 transitions. [2018-12-08 22:22:01,649 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 455 transitions. [2018-12-08 22:22:01,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-08 22:22:01,649 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:01,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:01,685 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 22:22:01,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:01,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 252 states and 455 transitions. [2018-12-08 22:22:01,821 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 455 transitions. [2018-12-08 22:22:01,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-08 22:22:01,821 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:01,894 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 22:22:01,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:01,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 257 states and 465 transitions. [2018-12-08 22:22:01,904 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 465 transitions. [2018-12-08 22:22:01,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-08 22:22:01,904 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:01,958 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 22:22:01,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:01,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 262 states and 475 transitions. [2018-12-08 22:22:01,976 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 475 transitions. [2018-12-08 22:22:01,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-08 22:22:01,977 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:02,006 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 22:22:02,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:02,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 267 states and 482 transitions. [2018-12-08 22:22:02,241 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 482 transitions. [2018-12-08 22:22:02,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-08 22:22:02,241 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:02,269 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 22:22:02,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:02,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 268 states and 482 transitions. [2018-12-08 22:22:02,294 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 482 transitions. [2018-12-08 22:22:02,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-08 22:22:02,295 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:02,331 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 22:22:02,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:02,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 273 states and 492 transitions. [2018-12-08 22:22:02,348 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 492 transitions. [2018-12-08 22:22:02,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-08 22:22:02,348 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:02,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:02,373 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 22:22:02,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:02,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 276 states and 496 transitions. [2018-12-08 22:22:02,541 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 496 transitions. [2018-12-08 22:22:02,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-08 22:22:02,542 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:02,578 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 22:22:02,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:02,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 277 states and 496 transitions. [2018-12-08 22:22:02,743 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 496 transitions. [2018-12-08 22:22:02,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-08 22:22:02,743 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:02,783 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 22:22:02,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:02,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 280 states and 501 transitions. [2018-12-08 22:22:02,787 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 501 transitions. [2018-12-08 22:22:02,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-08 22:22:02,787 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:02,831 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 22:22:02,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:02,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 281 states and 502 transitions. [2018-12-08 22:22:02,835 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 502 transitions. [2018-12-08 22:22:02,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-08 22:22:02,836 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:02,873 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 22:22:03,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:03,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 282 states and 502 transitions. [2018-12-08 22:22:03,079 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 502 transitions. [2018-12-08 22:22:03,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-08 22:22:03,079 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:03,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:03,114 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 22:22:03,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:03,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 285 states and 507 transitions. [2018-12-08 22:22:03,118 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 507 transitions. [2018-12-08 22:22:03,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-08 22:22:03,118 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:03,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:03,147 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 22:22:03,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:03,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 286 states and 508 transitions. [2018-12-08 22:22:03,281 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 508 transitions. [2018-12-08 22:22:03,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-08 22:22:03,281 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:03,325 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 22:22:03,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:03,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 288 states and 510 transitions. [2018-12-08 22:22:03,520 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 510 transitions. [2018-12-08 22:22:03,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-08 22:22:03,520 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:03,559 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 22:22:03,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:03,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 289 states and 510 transitions. [2018-12-08 22:22:03,654 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 510 transitions. [2018-12-08 22:22:03,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-08 22:22:03,654 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:03,691 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 22:22:03,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:03,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 290 states and 510 transitions. [2018-12-08 22:22:03,877 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 510 transitions. [2018-12-08 22:22:03,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-08 22:22:03,878 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:04,061 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 22:22:04,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:04,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 292 states and 511 transitions. [2018-12-08 22:22:04,614 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 511 transitions. [2018-12-08 22:22:04,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-08 22:22:04,614 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:04,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:04,651 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 22:22:04,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:04,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 295 states and 516 transitions. [2018-12-08 22:22:04,656 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 516 transitions. [2018-12-08 22:22:04,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-08 22:22:04,656 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:04,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:04,863 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 22:22:05,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:05,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 297 states and 518 transitions. [2018-12-08 22:22:05,815 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 518 transitions. [2018-12-08 22:22:05,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-08 22:22:05,816 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:05,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:05,877 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 22:22:06,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:06,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 300 states and 521 transitions. [2018-12-08 22:22:06,337 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 521 transitions. [2018-12-08 22:22:06,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-08 22:22:06,337 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:06,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:06,374 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 22:22:06,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:06,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 301 states and 521 transitions. [2018-12-08 22:22:06,612 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 521 transitions. [2018-12-08 22:22:06,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-08 22:22:06,613 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:06,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:06,638 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 22:22:07,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:07,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 303 states and 522 transitions. [2018-12-08 22:22:07,123 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 522 transitions. [2018-12-08 22:22:07,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-08 22:22:07,123 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:07,160 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 22:22:07,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:07,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 306 states and 525 transitions. [2018-12-08 22:22:07,540 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 525 transitions. [2018-12-08 22:22:07,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-08 22:22:07,540 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:07,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:07,578 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 22:22:07,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:07,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 307 states and 525 transitions. [2018-12-08 22:22:07,709 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 525 transitions. [2018-12-08 22:22:07,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-08 22:22:07,709 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:07,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:07,736 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 22:22:08,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:08,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 309 states and 526 transitions. [2018-12-08 22:22:08,321 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 526 transitions. [2018-12-08 22:22:08,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-08 22:22:08,322 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:08,363 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 22:22:08,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:08,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 314 states and 533 transitions. [2018-12-08 22:22:08,383 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 533 transitions. [2018-12-08 22:22:08,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-08 22:22:08,384 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:08,692 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 22:22:08,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:08,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 316 states and 536 transitions. [2018-12-08 22:22:08,942 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 536 transitions. [2018-12-08 22:22:08,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 22:22:08,942 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:09,000 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 22:22:09,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:09,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 321 states and 543 transitions. [2018-12-08 22:22:09,029 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 543 transitions. [2018-12-08 22:22:09,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 22:22:09,030 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:09,082 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 22:22:09,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:09,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 326 states and 550 transitions. [2018-12-08 22:22:09,104 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 550 transitions. [2018-12-08 22:22:09,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-08 22:22:09,104 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:09,270 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 22:22:09,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:09,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 327 states and 552 transitions. [2018-12-08 22:22:09,397 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 552 transitions. [2018-12-08 22:22:09,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-08 22:22:09,397 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:09,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:09,438 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-08 22:22:09,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:09,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 328 states and 554 transitions. [2018-12-08 22:22:09,456 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 554 transitions. [2018-12-08 22:22:09,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-08 22:22:09,456 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:09,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:09,506 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 22:22:10,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:10,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 334 states and 564 transitions. [2018-12-08 22:22:10,140 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 564 transitions. [2018-12-08 22:22:10,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-08 22:22:10,141 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:10,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:10,203 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 22:22:10,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:10,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 340 states and 574 transitions. [2018-12-08 22:22:10,914 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 574 transitions. [2018-12-08 22:22:10,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-08 22:22:10,914 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:10,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:10,982 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 22:22:11,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:11,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 346 states and 584 transitions. [2018-12-08 22:22:11,666 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 584 transitions. [2018-12-08 22:22:11,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-08 22:22:11,667 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:11,831 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 22:22:11,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:11,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 347 states and 586 transitions. [2018-12-08 22:22:11,983 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 586 transitions. [2018-12-08 22:22:11,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-08 22:22:11,983 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:12,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:12,057 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-08 22:22:13,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:13,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 356 states and 602 transitions. [2018-12-08 22:22:13,100 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 602 transitions. [2018-12-08 22:22:13,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-08 22:22:13,100 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:13,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:13,152 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-08 22:22:14,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:14,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 365 states and 618 transitions. [2018-12-08 22:22:14,240 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 618 transitions. [2018-12-08 22:22:14,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-08 22:22:14,240 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:14,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:14,296 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 22:22:14,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:14,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 375 states and 632 transitions. [2018-12-08 22:22:14,335 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 632 transitions. [2018-12-08 22:22:14,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-08 22:22:14,336 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:14,395 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-08 22:22:15,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:15,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 384 states and 648 transitions. [2018-12-08 22:22:15,526 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 648 transitions. [2018-12-08 22:22:15,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-08 22:22:15,526 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:15,570 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 22:22:15,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:15,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 394 states and 662 transitions. [2018-12-08 22:22:15,606 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 662 transitions. [2018-12-08 22:22:15,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-08 22:22:15,607 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:15,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:15,652 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-08 22:22:15,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:15,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 404 states and 676 transitions. [2018-12-08 22:22:15,688 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 676 transitions. [2018-12-08 22:22:15,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-08 22:22:15,689 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:15,882 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-08 22:22:16,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:16,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 405 states and 678 transitions. [2018-12-08 22:22:16,055 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 678 transitions. [2018-12-08 22:22:16,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-08 22:22:16,055 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:16,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:16,131 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-08 22:22:17,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:17,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 334 states and 553 transitions. [2018-12-08 22:22:17,375 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 553 transitions. [2018-12-08 22:22:17,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-08 22:22:17,375 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:17,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:17,456 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-08 22:22:18,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:18,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 260 states and 425 transitions. [2018-12-08 22:22:18,796 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 425 transitions. [2018-12-08 22:22:18,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-08 22:22:18,796 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:18,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:18,866 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-08 22:22:20,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:20,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 183 states and 295 transitions. [2018-12-08 22:22:20,273 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 295 transitions. [2018-12-08 22:22:20,274 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 22:22:20,274 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 102 iterations. [2018-12-08 22:22:20,280 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 22:22:20,867 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 22:22:20,870 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 22:22:20,870 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 22:22:20,870 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 22:22:20,870 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 22:22:20,870 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 22:22:20,870 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 22:22:20,871 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 22:22:20,871 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 22:22:20,871 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 22:22:20,871 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 22:22:20,871 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 22:22:20,871 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 22:22:20,871 INFO L583 CodeCheckObserver]: Invariant with dag size 18 [2018-12-08 22:22:20,874 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 22:22:20,874 INFO L583 CodeCheckObserver]: Invariant with dag size 18 [2018-12-08 22:22:20,874 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 22:22:20,874 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 22:22:20,874 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 22:22:20,874 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 22:22:20,875 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 22:22:20,875 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 22:22:20,875 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 22:22:20,875 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 22:22:20,875 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 22:22:20,875 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 22:22:20,875 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 22:22:20,875 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 22:22:20,875 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 22:22:20,875 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 22:22:20,876 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 22:22:20,876 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 22:22:20,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 10:22:20 ImpRootNode [2018-12-08 22:22:20,876 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 22:22:20,876 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 22:22:20,876 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 22:22:20,876 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 22:22:20,877 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:21:52" (3/4) ... [2018-12-08 22:22:20,879 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 22:22:20,882 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure get_dma_ops [2018-12-08 22:22:20,882 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_device_kfree [2018-12-08 22:22:20,882 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2018-12-08 22:22:20,882 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_usb_exit [2018-12-08 22:22:20,882 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_set_intfdata [2018-12-08 22:22:20,882 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_device_exit [2018-12-08 22:22:20,883 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure external_alloc [2018-12-08 22:22:20,883 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_submit_urb [2018-12-08 22:22:20,883 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_usb_transfer_exit [2018-12-08 22:22:20,883 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __create_pipe [2018-12-08 22:22:20,883 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2018-12-08 22:22:20,890 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 159 nodes and edges [2018-12-08 22:22:20,890 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2018-12-08 22:22:20,891 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-08 22:22:20,892 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 22:22:20,893 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 22:22:20,893 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 22:22:20,988 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1ce9a49c-7fe3-4f38-88d3-01bfe0b434fb/bin-2019/ukojak/witness.graphml [2018-12-08 22:22:20,988 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 22:22:20,989 INFO L168 Benchmark]: Toolchain (without parser) took 34710.23 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 662.7 MB). Free memory was 942.6 MB in the beginning and 909.1 MB in the end (delta: 33.4 MB). Peak memory consumption was 696.1 MB. Max. memory is 11.5 GB. [2018-12-08 22:22:20,990 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 22:22:20,990 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1004.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 942.6 MB in the beginning and 984.8 MB in the end (delta: -42.2 MB). Peak memory consumption was 113.2 MB. Max. memory is 11.5 GB. [2018-12-08 22:22:20,990 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.48 ms. Allocated memory is still 1.2 GB. Free memory was 984.8 MB in the beginning and 975.8 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. [2018-12-08 22:22:20,990 INFO L168 Benchmark]: Boogie Preprocessor took 46.50 ms. Allocated memory is still 1.2 GB. Free memory was 975.8 MB in the beginning and 964.2 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2018-12-08 22:22:20,991 INFO L168 Benchmark]: RCFGBuilder took 5094.33 ms. Allocated memory is still 1.2 GB. Free memory was 964.2 MB in the beginning and 834.4 MB in the end (delta: 129.9 MB). Peak memory consumption was 137.9 MB. Max. memory is 11.5 GB. [2018-12-08 22:22:20,991 INFO L168 Benchmark]: CodeCheck took 28383.73 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 538.4 MB). Free memory was 834.4 MB in the beginning and 956.4 MB in the end (delta: -122.1 MB). Peak memory consumption was 416.4 MB. Max. memory is 11.5 GB. [2018-12-08 22:22:20,991 INFO L168 Benchmark]: Witness Printer took 112.28 ms. Allocated memory is still 1.7 GB. Free memory was 956.4 MB in the beginning and 909.1 MB in the end (delta: 47.3 MB). Peak memory consumption was 47.3 MB. Max. memory is 11.5 GB. [2018-12-08 22:22:20,992 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 12 procedures, 206 locations, 1 error locations. SAFE Result, 27.7s OverallTime, 102 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1635650216 SDtfs, 1612572868 SDslu, -124834248 SDs, 0 SdLazy, 1045699620 SolverSat, 415811192 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 59.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38457 GetRequests, 38022 SyntacticMatches, 71 SemanticMatches, 364 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68400 ImplicationChecksByTransitivity, 21.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 3578 NumberOfCodeBlocks, 3578 NumberOfCodeBlocksAsserted, 101 NumberOfCheckSat, 3477 ConstructedInterpolants, 0 QuantifiedInterpolants, 321176 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 101 InterpolantComputations, 92 PerfectInterpolantSequences, 1406/1453 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: 7660]: 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: 6597]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7384]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7409]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7378]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7384]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6546]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7993]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7248]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7208]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7248]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7507]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8019]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6692]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7537]: Loop Invariant Derived loop invariant: (((!(1 == ldv_mutex_lock) || !(1 == ldv_mutex_cred_guard_mutex_of_signal_struct)) || !(1 == ldv_state_variable_1)) || !(1 == ldv_mutex_mutex_of_device)) || !(0 == ldv_state_variable_0) - InvariantResult [Line: 8068]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7545]: Loop Invariant Derived loop invariant: (((!(1 == ldv_mutex_mutex_of_device) || !(1 == ldv_mutex_cred_guard_mutex_of_signal_struct)) || !(1 == ldv_mutex_lock)) || !(1 == ldv_state_variable_1)) || !(0 == ldv_state_variable_0) - InvariantResult [Line: 7349]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7237]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7443]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7248]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7996]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6736]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6546]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8037]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7384]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7248]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7494]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7390]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7347]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6731]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1004.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 942.6 MB in the beginning and 984.8 MB in the end (delta: -42.2 MB). Peak memory consumption was 113.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 66.48 ms. Allocated memory is still 1.2 GB. Free memory was 984.8 MB in the beginning and 975.8 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.50 ms. Allocated memory is still 1.2 GB. Free memory was 975.8 MB in the beginning and 964.2 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 5094.33 ms. Allocated memory is still 1.2 GB. Free memory was 964.2 MB in the beginning and 834.4 MB in the end (delta: 129.9 MB). Peak memory consumption was 137.9 MB. Max. memory is 11.5 GB. * CodeCheck took 28383.73 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 538.4 MB). Free memory was 834.4 MB in the beginning and 956.4 MB in the end (delta: -122.1 MB). Peak memory consumption was 416.4 MB. Max. memory is 11.5 GB. * Witness Printer took 112.28 ms. Allocated memory is still 1.7 GB. Free memory was 956.4 MB in the beginning and 909.1 MB in the end (delta: 47.3 MB). Peak memory consumption was 47.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...