./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_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 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3100b602-1349-4dda-bb2b-4f32cdaa7768/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3100b602-1349-4dda-bb2b-4f32cdaa7768/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3100b602-1349-4dda-bb2b-4f32cdaa7768/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3100b602-1349-4dda-bb2b-4f32cdaa7768/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3100b602-1349-4dda-bb2b-4f32cdaa7768/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3100b602-1349-4dda-bb2b-4f32cdaa7768/bin/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 a173e08fd50ea409e13461653ef36f2d39c562c4 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 02:09:27,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:09:27,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:09:27,999 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:09:27,999 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:09:28,000 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:09:28,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:09:28,004 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:09:28,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:09:28,006 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:09:28,007 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:09:28,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:09:28,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:09:28,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:09:28,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:09:28,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:09:28,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:09:28,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:09:28,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:09:28,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:09:28,020 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:09:28,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:09:28,022 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:09:28,023 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:09:28,028 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:09:28,030 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:09:28,030 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:09:28,032 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:09:28,032 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:09:28,034 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:09:28,034 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:09:28,034 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:09:28,035 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:09:28,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:09:28,038 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:09:28,039 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:09:28,039 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:09:28,039 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:09:28,040 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:09:28,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:09:28,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:09:28,045 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3100b602-1349-4dda-bb2b-4f32cdaa7768/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2019-11-20 02:09:28,063 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:09:28,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:09:28,064 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 02:09:28,064 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 02:09:28,065 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:09:28,065 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:09:28,065 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:09:28,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 02:09:28,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:09:28,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 02:09:28,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 02:09:28,067 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 02:09:28,067 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:09:28,067 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:09:28,067 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 02:09:28,067 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 02:09:28,067 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 02:09:28,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:09:28,068 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 02:09:28,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 02:09:28,068 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:09:28,068 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 02:09:28,069 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 02:09:28,069 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 02:09:28,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 02:09:28,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 02:09:28,069 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 02:09:28,070 INFO L138 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/run_dir_3100b602-1349-4dda-bb2b-4f32cdaa7768/bin/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 -> a173e08fd50ea409e13461653ef36f2d39c562c4 [2019-11-20 02:09:28,210 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:09:28,220 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:09:28,223 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:09:28,224 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:09:28,225 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:09:28,225 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3100b602-1349-4dda-bb2b-4f32cdaa7768/bin/ukojak/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2019-11-20 02:09:28,273 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3100b602-1349-4dda-bb2b-4f32cdaa7768/bin/ukojak/data/7cad955f1/c02f1af5a3ad4c6a8815c6fb6f4defe6/FLAG297743b89 [2019-11-20 02:09:29,040 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:09:29,041 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3100b602-1349-4dda-bb2b-4f32cdaa7768/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2019-11-20 02:09:29,072 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3100b602-1349-4dda-bb2b-4f32cdaa7768/bin/ukojak/data/7cad955f1/c02f1af5a3ad4c6a8815c6fb6f4defe6/FLAG297743b89 [2019-11-20 02:09:29,292 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3100b602-1349-4dda-bb2b-4f32cdaa7768/bin/ukojak/data/7cad955f1/c02f1af5a3ad4c6a8815c6fb6f4defe6 [2019-11-20 02:09:29,295 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:09:29,296 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:09:29,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:09:29,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:09:29,300 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:09:29,301 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:09:29" (1/1) ... [2019-11-20 02:09:29,303 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c1af24c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:09:29, skipping insertion in model container [2019-11-20 02:09:29,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:09:29" (1/1) ... [2019-11-20 02:09:29,310 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:09:29,408 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:09:30,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:09:30,726 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:09:31,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:09:31,196 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:09:31,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:09:31 WrapperNode [2019-11-20 02:09:31,196 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:09:31,197 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:09:31,197 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:09:31,198 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:09:31,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:09:31" (1/1) ... [2019-11-20 02:09:31,255 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:09:31" (1/1) ... [2019-11-20 02:09:31,319 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:09:31,320 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:09:31,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:09:31,320 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:09:31,329 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:09:31" (1/1) ... [2019-11-20 02:09:31,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:09:31" (1/1) ... [2019-11-20 02:09:31,339 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:09:31" (1/1) ... [2019-11-20 02:09:31,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:09:31" (1/1) ... [2019-11-20 02:09:31,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:09:31" (1/1) ... [2019-11-20 02:09:31,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:09:31" (1/1) ... [2019-11-20 02:09:31,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:09:31" (1/1) ... [2019-11-20 02:09:31,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:09:31,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:09:31,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:09:31,411 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:09:31,412 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:09:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3100b602-1349-4dda-bb2b-4f32cdaa7768/bin/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 [2019-11-20 02:09:31,480 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-11-20 02:09:31,481 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-11-20 02:09:31,481 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_exit [2019-11-20 02:09:31,481 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_exit [2019-11-20 02:09:31,481 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-11-20 02:09:31,482 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-11-20 02:09:31,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 02:09:31,482 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-20 02:09:31,482 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-20 02:09:31,482 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-11-20 02:09:31,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-11-20 02:09:31,483 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_exit [2019-11-20 02:09:31,483 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_exit [2019-11-20 02:09:31,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 02:09:31,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-20 02:09:31,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-20 02:09:31,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-20 02:09:31,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-20 02:09:31,485 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kfree [2019-11-20 02:09:31,485 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kfree [2019-11-20 02:09:31,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-20 02:09:31,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 02:09:31,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-20 02:09:31,485 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_exit [2019-11-20 02:09:31,486 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_exit [2019-11-20 02:09:31,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-20 02:09:31,486 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-11-20 02:09:31,486 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-11-20 02:09:31,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 02:09:31,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:09:31,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:09:39,792 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:09:39,792 INFO L285 CfgBuilder]: Removed 83 assume(true) statements. [2019-11-20 02:09:39,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:09:39 BoogieIcfgContainer [2019-11-20 02:09:39,794 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:09:39,795 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 02:09:39,795 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 02:09:39,804 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 02:09:39,804 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:09:39" (1/1) ... [2019-11-20 02:09:39,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:09:39,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:39,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 110 states and 156 transitions. [2019-11-20 02:09:39,855 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 156 transitions. [2019-11-20 02:09:39,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 02:09:39,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:40,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:09:40,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:40,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 115 states and 169 transitions. [2019-11-20 02:09:40,537 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 169 transitions. [2019-11-20 02:09:40,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 02:09:40,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:40,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:09:40,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:40,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 124 states and 194 transitions. [2019-11-20 02:09:40,942 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 194 transitions. [2019-11-20 02:09:40,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 02:09:40,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:41,040 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:09:41,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:41,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 125 states and 195 transitions. [2019-11-20 02:09:41,048 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 195 transitions. [2019-11-20 02:09:41,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 02:09:41,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:41,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:41,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:09:41,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:41,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 135 states and 221 transitions. [2019-11-20 02:09:41,581 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 221 transitions. [2019-11-20 02:09:41,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 02:09:41,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:41,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:09:42,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:42,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 146 states and 248 transitions. [2019-11-20 02:09:42,403 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 248 transitions. [2019-11-20 02:09:42,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 02:09:42,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:42,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:42,497 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:09:42,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:42,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 147 states and 249 transitions. [2019-11-20 02:09:42,504 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 249 transitions. [2019-11-20 02:09:42,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 02:09:42,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:42,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:42,610 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:09:43,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:43,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 150 states and 262 transitions. [2019-11-20 02:09:43,250 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 262 transitions. [2019-11-20 02:09:43,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 02:09:43,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:43,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:43,346 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:09:43,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:43,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 151 states and 262 transitions. [2019-11-20 02:09:43,553 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 262 transitions. [2019-11-20 02:09:43,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 02:09:43,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:43,628 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 02:09:43,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:43,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 152 states and 263 transitions. [2019-11-20 02:09:43,729 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 263 transitions. [2019-11-20 02:09:43,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 02:09:43,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:43,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:09:43,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:43,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 153 states and 263 transitions. [2019-11-20 02:09:43,944 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 263 transitions. [2019-11-20 02:09:43,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 02:09:43,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:43,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:44,008 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:09:44,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:44,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 154 states and 263 transitions. [2019-11-20 02:09:44,020 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 263 transitions. [2019-11-20 02:09:44,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 02:09:44,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:44,103 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 02:09:44,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:44,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 160 states and 278 transitions. [2019-11-20 02:09:44,328 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 278 transitions. [2019-11-20 02:09:44,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 02:09:44,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:44,415 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 02:09:44,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:44,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 161 states and 278 transitions. [2019-11-20 02:09:44,429 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 278 transitions. [2019-11-20 02:09:44,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 02:09:44,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:44,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:44,491 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:09:44,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:44,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 162 states and 279 transitions. [2019-11-20 02:09:44,505 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 279 transitions. [2019-11-20 02:09:44,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 02:09:44,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:44,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:44,578 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 02:09:44,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:44,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 168 states and 294 transitions. [2019-11-20 02:09:44,835 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 294 transitions. [2019-11-20 02:09:44,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 02:09:44,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:44,905 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 02:09:44,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:44,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 169 states and 294 transitions. [2019-11-20 02:09:44,919 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 294 transitions. [2019-11-20 02:09:44,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 02:09:44,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:45,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:45,069 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 02:09:45,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:45,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 175 states and 309 transitions. [2019-11-20 02:09:45,219 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 309 transitions. [2019-11-20 02:09:45,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 02:09:45,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:45,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:45,285 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 02:09:45,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:45,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 176 states and 309 transitions. [2019-11-20 02:09:45,303 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 309 transitions. [2019-11-20 02:09:45,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 02:09:45,304 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:45,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:45,367 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:09:45,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:45,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 179 states and 323 transitions. [2019-11-20 02:09:45,989 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 323 transitions. [2019-11-20 02:09:45,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 02:09:45,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:46,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:46,043 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:09:46,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:46,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 182 states and 327 transitions. [2019-11-20 02:09:46,057 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 327 transitions. [2019-11-20 02:09:46,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 02:09:46,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:46,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:46,110 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:09:46,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:46,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 183 states and 327 transitions. [2019-11-20 02:09:46,120 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 327 transitions. [2019-11-20 02:09:46,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 02:09:46,120 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:46,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:46,259 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:09:46,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:46,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 188 states and 346 transitions. [2019-11-20 02:09:46,994 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 346 transitions. [2019-11-20 02:09:46,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 02:09:46,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:47,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:47,061 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 02:09:47,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:47,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 190 states and 351 transitions. [2019-11-20 02:09:47,315 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 351 transitions. [2019-11-20 02:09:47,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 02:09:47,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:47,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:47,379 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 02:09:47,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:47,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 191 states and 351 transitions. [2019-11-20 02:09:47,582 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 351 transitions. [2019-11-20 02:09:47,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 02:09:47,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:47,633 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:09:48,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:48,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 194 states and 362 transitions. [2019-11-20 02:09:48,260 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 362 transitions. [2019-11-20 02:09:48,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 02:09:48,261 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:48,324 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 02:09:48,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:48,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 195 states and 363 transitions. [2019-11-20 02:09:48,348 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 363 transitions. [2019-11-20 02:09:48,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 02:09:48,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:48,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:48,412 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 02:09:49,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:49,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 198 states and 369 transitions. [2019-11-20 02:09:49,005 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 369 transitions. [2019-11-20 02:09:49,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 02:09:49,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:49,065 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 02:09:49,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:49,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 199 states and 369 transitions. [2019-11-20 02:09:49,344 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 369 transitions. [2019-11-20 02:09:49,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 02:09:49,345 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:49,403 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:09:49,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:49,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 200 states and 370 transitions. [2019-11-20 02:09:49,412 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 370 transitions. [2019-11-20 02:09:49,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 02:09:49,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:49,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:49,473 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 02:09:49,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:49,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 201 states and 371 transitions. [2019-11-20 02:09:49,493 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 371 transitions. [2019-11-20 02:09:49,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 02:09:49,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:49,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:49,557 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 02:09:49,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:49,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 204 states and 377 transitions. [2019-11-20 02:09:49,875 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 377 transitions. [2019-11-20 02:09:49,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 02:09:49,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:49,935 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 02:09:50,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:50,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 205 states and 377 transitions. [2019-11-20 02:09:50,097 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 377 transitions. [2019-11-20 02:09:50,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 02:09:50,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:50,358 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:09:52,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:52,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 209 states and 392 transitions. [2019-11-20 02:09:52,178 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 392 transitions. [2019-11-20 02:09:52,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 02:09:52,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:52,258 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 02:09:52,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:52,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 210 states and 393 transitions. [2019-11-20 02:09:52,276 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 393 transitions. [2019-11-20 02:09:52,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 02:09:52,278 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:52,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:52,330 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 02:09:52,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:52,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 211 states and 395 transitions. [2019-11-20 02:09:52,340 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 395 transitions. [2019-11-20 02:09:52,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 02:09:52,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:52,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:52,391 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:09:52,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:52,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 212 states and 396 transitions. [2019-11-20 02:09:52,560 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 396 transitions. [2019-11-20 02:09:52,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 02:09:52,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:52,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:52,612 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 02:09:52,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:52,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 213 states and 396 transitions. [2019-11-20 02:09:52,643 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 396 transitions. [2019-11-20 02:09:52,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 02:09:52,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:52,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:52,692 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:09:52,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:52,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 216 states and 401 transitions. [2019-11-20 02:09:52,826 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 401 transitions. [2019-11-20 02:09:52,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 02:09:52,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:52,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:52,876 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:09:52,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:52,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 217 states and 402 transitions. [2019-11-20 02:09:52,902 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 402 transitions. [2019-11-20 02:09:52,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 02:09:52,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:52,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:52,985 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 02:09:53,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:53,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 222 states and 410 transitions. [2019-11-20 02:09:53,031 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 410 transitions. [2019-11-20 02:09:53,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 02:09:53,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:53,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:53,125 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 02:09:53,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:53,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 223 states and 411 transitions. [2019-11-20 02:09:53,138 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 411 transitions. [2019-11-20 02:09:53,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 02:09:53,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:53,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:53,223 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:09:53,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:53,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 224 states and 411 transitions. [2019-11-20 02:09:53,244 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 411 transitions. [2019-11-20 02:09:53,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 02:09:53,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:53,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:53,329 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 02:09:53,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:53,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 229 states and 419 transitions. [2019-11-20 02:09:53,370 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 419 transitions. [2019-11-20 02:09:53,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 02:09:53,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:53,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:53,444 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 02:09:53,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:53,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 230 states and 419 transitions. [2019-11-20 02:09:53,463 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 419 transitions. [2019-11-20 02:09:53,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 02:09:53,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:53,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:53,543 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:09:53,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:53,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 233 states and 424 transitions. [2019-11-20 02:09:53,592 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 424 transitions. [2019-11-20 02:09:53,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 02:09:53,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:53,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:53,657 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:09:53,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:53,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 234 states and 425 transitions. [2019-11-20 02:09:53,675 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 425 transitions. [2019-11-20 02:09:53,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 02:09:53,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:53,765 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 02:09:53,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:53,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 239 states and 433 transitions. [2019-11-20 02:09:53,809 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 433 transitions. [2019-11-20 02:09:53,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 02:09:53,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:53,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:53,902 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 02:09:54,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:54,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 242 states and 437 transitions. [2019-11-20 02:09:54,173 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 437 transitions. [2019-11-20 02:09:54,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 02:09:54,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:54,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:54,235 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:09:54,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:54,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 243 states and 437 transitions. [2019-11-20 02:09:54,249 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 437 transitions. [2019-11-20 02:09:54,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 02:09:54,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:54,412 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 02:09:54,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:54,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 244 states and 441 transitions. [2019-11-20 02:09:54,467 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 441 transitions. [2019-11-20 02:09:54,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 02:09:54,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:54,557 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 02:09:54,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:54,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 245 states and 441 transitions. [2019-11-20 02:09:54,572 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 441 transitions. [2019-11-20 02:09:54,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 02:09:54,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:54,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:54,752 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 02:09:56,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:56,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 249 states and 455 transitions. [2019-11-20 02:09:56,262 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 455 transitions. [2019-11-20 02:09:56,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 02:09:56,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:56,312 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 02:09:56,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:56,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 249 states and 454 transitions. [2019-11-20 02:09:56,329 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 454 transitions. [2019-11-20 02:09:56,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 02:09:56,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:56,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:56,384 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 02:09:56,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:56,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 249 states and 453 transitions. [2019-11-20 02:09:56,402 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 453 transitions. [2019-11-20 02:09:56,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 02:09:56,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:56,462 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 02:09:56,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:56,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 250 states and 454 transitions. [2019-11-20 02:09:56,763 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 454 transitions. [2019-11-20 02:09:56,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 02:09:56,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:57,066 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 02:09:57,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:57,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 251 states and 455 transitions. [2019-11-20 02:09:57,707 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 455 transitions. [2019-11-20 02:09:57,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 02:09:57,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:57,786 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 02:09:57,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:57,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 252 states and 455 transitions. [2019-11-20 02:09:57,987 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 455 transitions. [2019-11-20 02:09:57,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 02:09:57,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:58,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:58,137 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 02:09:58,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:58,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 257 states and 465 transitions. [2019-11-20 02:09:58,162 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 465 transitions. [2019-11-20 02:09:58,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 02:09:58,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:58,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:58,358 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 02:09:58,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:58,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 262 states and 475 transitions. [2019-11-20 02:09:58,387 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 475 transitions. [2019-11-20 02:09:58,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 02:09:58,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:58,462 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 02:09:58,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:58,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 267 states and 482 transitions. [2019-11-20 02:09:58,941 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 482 transitions. [2019-11-20 02:09:58,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 02:09:58,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:58,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:59,004 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 02:09:59,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:59,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 268 states and 482 transitions. [2019-11-20 02:09:59,061 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 482 transitions. [2019-11-20 02:09:59,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 02:09:59,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:59,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:59,142 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 02:09:59,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:59,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 273 states and 492 transitions. [2019-11-20 02:09:59,167 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 492 transitions. [2019-11-20 02:09:59,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 02:09:59,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:59,221 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 02:09:59,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:59,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 276 states and 496 transitions. [2019-11-20 02:09:59,599 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 496 transitions. [2019-11-20 02:09:59,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 02:09:59,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:59,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:59,687 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 02:10:00,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:00,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 277 states and 496 transitions. [2019-11-20 02:10:00,048 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 496 transitions. [2019-11-20 02:10:00,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 02:10:00,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:00,129 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 02:10:00,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:00,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 280 states and 501 transitions. [2019-11-20 02:10:00,138 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 501 transitions. [2019-11-20 02:10:00,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 02:10:00,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:00,213 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 02:10:00,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:00,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 281 states and 502 transitions. [2019-11-20 02:10:00,239 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 502 transitions. [2019-11-20 02:10:00,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 02:10:00,240 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:00,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:00,320 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 02:10:00,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:00,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 282 states and 502 transitions. [2019-11-20 02:10:00,718 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 502 transitions. [2019-11-20 02:10:00,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 02:10:00,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:00,803 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 02:10:00,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:00,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 285 states and 507 transitions. [2019-11-20 02:10:00,813 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 507 transitions. [2019-11-20 02:10:00,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 02:10:00,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:00,875 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 02:10:01,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:01,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 286 states and 508 transitions. [2019-11-20 02:10:01,076 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 508 transitions. [2019-11-20 02:10:01,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 02:10:01,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:01,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:01,152 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 02:10:01,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:01,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 288 states and 510 transitions. [2019-11-20 02:10:01,564 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 510 transitions. [2019-11-20 02:10:01,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 02:10:01,565 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:01,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:01,643 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 02:10:02,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:02,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 289 states and 510 transitions. [2019-11-20 02:10:02,055 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 510 transitions. [2019-11-20 02:10:02,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 02:10:02,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:02,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:02,132 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 02:10:02,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:02,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 290 states and 510 transitions. [2019-11-20 02:10:02,354 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 510 transitions. [2019-11-20 02:10:02,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 02:10:02,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:02,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:02,696 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:10:03,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:03,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 292 states and 511 transitions. [2019-11-20 02:10:03,541 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 511 transitions. [2019-11-20 02:10:03,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 02:10:03,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:03,618 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 02:10:03,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:03,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 295 states and 516 transitions. [2019-11-20 02:10:03,628 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 516 transitions. [2019-11-20 02:10:03,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 02:10:03,629 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:04,062 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:10:05,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:05,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 297 states and 518 transitions. [2019-11-20 02:10:05,083 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 518 transitions. [2019-11-20 02:10:05,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 02:10:05,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:05,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:05,162 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 02:10:06,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:06,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 300 states and 521 transitions. [2019-11-20 02:10:06,005 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 521 transitions. [2019-11-20 02:10:06,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 02:10:06,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:06,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:06,082 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 02:10:06,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:06,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 301 states and 521 transitions. [2019-11-20 02:10:06,493 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 521 transitions. [2019-11-20 02:10:06,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 02:10:06,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:06,548 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:10:07,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:07,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 303 states and 522 transitions. [2019-11-20 02:10:07,378 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 522 transitions. [2019-11-20 02:10:07,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 02:10:07,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:07,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:07,457 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 02:10:08,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:08,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 306 states and 525 transitions. [2019-11-20 02:10:08,026 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 525 transitions. [2019-11-20 02:10:08,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 02:10:08,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:08,104 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 02:10:08,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:08,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 307 states and 525 transitions. [2019-11-20 02:10:08,366 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 525 transitions. [2019-11-20 02:10:08,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 02:10:08,366 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:08,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:08,421 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:10:09,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:09,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 309 states and 526 transitions. [2019-11-20 02:10:09,586 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 526 transitions. [2019-11-20 02:10:09,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 02:10:09,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:09,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:09,670 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 02:10:09,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:09,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 314 states and 533 transitions. [2019-11-20 02:10:09,727 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 533 transitions. [2019-11-20 02:10:09,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 02:10:09,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:10,365 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:10:10,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:10,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 316 states and 536 transitions. [2019-11-20 02:10:10,749 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 536 transitions. [2019-11-20 02:10:10,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 02:10:10,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:10,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:10,837 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 02:10:10,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:10,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 321 states and 543 transitions. [2019-11-20 02:10:10,901 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 543 transitions. [2019-11-20 02:10:10,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 02:10:10,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:10,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:10,988 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 02:10:11,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:11,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 326 states and 550 transitions. [2019-11-20 02:10:11,034 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 550 transitions. [2019-11-20 02:10:11,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-20 02:10:11,035 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:11,379 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:10:11,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:11,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 327 states and 552 transitions. [2019-11-20 02:10:11,624 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 552 transitions. [2019-11-20 02:10:11,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 02:10:11,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:11,707 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 02:10:11,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:11,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 328 states and 554 transitions. [2019-11-20 02:10:11,742 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 554 transitions. [2019-11-20 02:10:11,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-20 02:10:11,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:11,856 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 02:10:12,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:12,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 334 states and 564 transitions. [2019-11-20 02:10:12,993 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 564 transitions. [2019-11-20 02:10:12,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 02:10:12,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:13,191 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 02:10:14,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:14,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 340 states and 574 transitions. [2019-11-20 02:10:14,390 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 574 transitions. [2019-11-20 02:10:14,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 02:10:14,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:14,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:14,495 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 02:10:15,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:15,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 346 states and 584 transitions. [2019-11-20 02:10:15,496 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 584 transitions. [2019-11-20 02:10:15,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-20 02:10:15,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:15,839 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 02:10:16,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:16,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 347 states and 586 transitions. [2019-11-20 02:10:16,131 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 586 transitions. [2019-11-20 02:10:16,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 02:10:16,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:16,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:16,257 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-20 02:10:17,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:17,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 356 states and 602 transitions. [2019-11-20 02:10:17,872 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 602 transitions. [2019-11-20 02:10:17,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 02:10:17,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:17,978 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-20 02:10:19,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:19,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 365 states and 618 transitions. [2019-11-20 02:10:19,600 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 618 transitions. [2019-11-20 02:10:19,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-20 02:10:19,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:19,774 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 02:10:19,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:19,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 375 states and 632 transitions. [2019-11-20 02:10:19,816 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 632 transitions. [2019-11-20 02:10:19,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 02:10:19,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:19,918 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-20 02:10:21,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:21,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 384 states and 648 transitions. [2019-11-20 02:10:21,536 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 648 transitions. [2019-11-20 02:10:21,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-20 02:10:21,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:21,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:21,606 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 02:10:21,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:21,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 394 states and 662 transitions. [2019-11-20 02:10:21,656 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 662 transitions. [2019-11-20 02:10:21,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 02:10:21,657 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:21,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:21,735 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 02:10:21,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:21,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 404 states and 676 transitions. [2019-11-20 02:10:21,812 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 676 transitions. [2019-11-20 02:10:21,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-20 02:10:21,813 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:21,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:22,109 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 02:10:22,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:22,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 405 states and 678 transitions. [2019-11-20 02:10:22,488 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 678 transitions. [2019-11-20 02:10:22,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-20 02:10:22,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:22,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:22,620 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 02:10:24,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:24,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 334 states and 553 transitions. [2019-11-20 02:10:24,832 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 553 transitions. [2019-11-20 02:10:24,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 02:10:24,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:24,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:24,935 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 02:10:26,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:26,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 260 states and 425 transitions. [2019-11-20 02:10:26,957 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 425 transitions. [2019-11-20 02:10:26,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-20 02:10:26,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:27,066 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 02:10:29,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:29,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 183 states and 295 transitions. [2019-11-20 02:10:29,518 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 295 transitions. [2019-11-20 02:10:29,519 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 02:10:29,519 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 102 iterations. [2019-11-20 02:10:29,527 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 02:10:30,473 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:10:30,477 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:10:30,477 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:10:30,477 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:10:30,477 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:10:30,477 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:10:30,477 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:10:30,477 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:10:30,477 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:10:30,478 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:10:30,478 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:10:30,478 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:10:30,478 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:10:30,478 INFO L569 CodeCheckObserver]: Invariant with dag size 18 [2019-11-20 02:10:30,482 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:10:30,482 INFO L569 CodeCheckObserver]: Invariant with dag size 18 [2019-11-20 02:10:30,483 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:10:30,483 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:10:30,484 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:10:30,484 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:10:30,484 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:10:30,484 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:10:30,484 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:10:30,484 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:10:30,485 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:10:30,485 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:10:30,485 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:10:30,485 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:10:30,485 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:10:30,485 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:10:30,486 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:10:30,486 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:10:30,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 02:10:30 ImpRootNode [2019-11-20 02:10:30,486 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 02:10:30,487 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:10:30,487 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:10:30,487 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:10:30,487 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:09:39" (3/4) ... [2019-11-20 02:10:30,490 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 02:10:30,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure get_dma_ops [2019-11-20 02:10:30,496 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_device_kfree [2019-11-20 02:10:30,496 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2019-11-20 02:10:30,496 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_usb_exit [2019-11-20 02:10:30,496 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_set_intfdata [2019-11-20 02:10:30,497 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_device_exit [2019-11-20 02:10:30,497 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure external_alloc [2019-11-20 02:10:30,497 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_submit_urb [2019-11-20 02:10:30,497 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_usb_transfer_exit [2019-11-20 02:10:30,497 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __create_pipe [2019-11-20 02:10:30,497 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2019-11-20 02:10:30,514 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 159 nodes and edges [2019-11-20 02:10:30,516 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2019-11-20 02:10:30,518 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2019-11-20 02:10:30,520 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 02:10:30,521 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 02:10:30,523 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 02:10:30,689 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3100b602-1349-4dda-bb2b-4f32cdaa7768/bin/ukojak/witness.graphml [2019-11-20 02:10:30,689 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:10:30,691 INFO L168 Benchmark]: Toolchain (without parser) took 61394.61 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 968.9 MB). Free memory was 934.0 MB in the beginning and 1.4 GB in the end (delta: -506.1 MB). Peak memory consumption was 462.8 MB. Max. memory is 11.5 GB. [2019-11-20 02:10:30,691 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:10:30,692 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1900.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 934.0 MB in the beginning and 973.6 MB in the end (delta: -39.6 MB). Peak memory consumption was 120.6 MB. Max. memory is 11.5 GB. [2019-11-20 02:10:30,692 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.28 ms. Allocated memory is still 1.2 GB. Free memory was 973.6 MB in the beginning and 968.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 02:10:30,692 INFO L168 Benchmark]: Boogie Preprocessor took 91.07 ms. Allocated memory is still 1.2 GB. Free memory was 968.2 MB in the beginning and 957.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-20 02:10:30,693 INFO L168 Benchmark]: RCFGBuilder took 8383.19 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.2 MB). Free memory was 957.4 MB in the beginning and 1.1 GB in the end (delta: -146.9 MB). Peak memory consumption was 114.1 MB. Max. memory is 11.5 GB. [2019-11-20 02:10:30,693 INFO L168 Benchmark]: CodeCheck took 50691.72 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 756.0 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -363.9 MB). Peak memory consumption was 392.2 MB. Max. memory is 11.5 GB. [2019-11-20 02:10:30,694 INFO L168 Benchmark]: Witness Printer took 202.63 ms. Allocated memory is still 2.0 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. [2019-11-20 02:10:30,696 INFO L335 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, 110 locations, 1 error locations. Result: SAFE, OverallTime: 49.6s, OverallIterations: 102, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1635650216 SDtfs, -534910780 SDslu, 2022649400 SDs, 0 SdLazy, 1045699620 SolverSat, 415811192 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 124.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38443 GetRequests, 38021 SyntacticMatches, 58 SemanticMatches, 364 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67214 ImplicationChecksByTransitivity, 36.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 7.8s 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 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_mutex_of_device) || !(1 == ldv_mutex_lock)) || !(ldv_state_variable_1 == 1)) || !(ldv_state_variable_0 == 0)) || !(1 == ldv_mutex_cred_guard_mutex_of_signal_struct) - InvariantResult [Line: 8068]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7545]: Loop Invariant Derived loop invariant: (((!(1 == ldv_mutex_lock) || !(1 == ldv_mutex_cred_guard_mutex_of_signal_struct)) || !(1 == ldv_mutex_mutex_of_device)) || !(ldv_state_variable_1 == 1)) || !(ldv_state_variable_0 == 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 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1900.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 934.0 MB in the beginning and 973.6 MB in the end (delta: -39.6 MB). Peak memory consumption was 120.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 122.28 ms. Allocated memory is still 1.2 GB. Free memory was 973.6 MB in the beginning and 968.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 91.07 ms. Allocated memory is still 1.2 GB. Free memory was 968.2 MB in the beginning and 957.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 8383.19 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.2 MB). Free memory was 957.4 MB in the beginning and 1.1 GB in the end (delta: -146.9 MB). Peak memory consumption was 114.1 MB. Max. memory is 11.5 GB. * CodeCheck took 50691.72 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 756.0 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -363.9 MB). Peak memory consumption was 392.2 MB. Max. memory is 11.5 GB. * Witness Printer took 202.63 ms. Allocated memory is still 2.0 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...