./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko_true-unreach-call.cil.out.i.pp.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c4da5946-f1f6-46a4-8836-3189e9427864/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c4da5946-f1f6-46a4-8836-3189e9427864/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c4da5946-f1f6-46a4-8836-3189e9427864/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c4da5946-f1f6-46a4-8836-3189e9427864/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko_true-unreach-call.cil.out.i.pp.i -s /tmp/vcloud-vcloud-master/worker/working_dir_c4da5946-f1f6-46a4-8836-3189e9427864/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c4da5946-f1f6-46a4-8836-3189e9427864/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0c905b8889c7b69d4cd80a67ac0102f832e7ffd9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 21:48:47,072 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 21:48:47,073 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 21:48:47,079 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 21:48:47,080 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 21:48:47,080 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 21:48:47,081 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 21:48:47,082 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 21:48:47,082 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 21:48:47,083 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 21:48:47,083 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 21:48:47,083 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 21:48:47,084 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 21:48:47,084 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 21:48:47,085 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 21:48:47,085 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 21:48:47,086 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 21:48:47,087 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 21:48:47,087 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 21:48:47,088 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 21:48:47,089 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 21:48:47,089 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 21:48:47,090 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 21:48:47,091 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 21:48:47,091 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 21:48:47,091 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 21:48:47,092 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 21:48:47,092 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 21:48:47,093 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 21:48:47,093 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 21:48:47,093 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 21:48:47,094 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 21:48:47,094 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 21:48:47,094 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 21:48:47,095 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 21:48:47,095 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 21:48:47,095 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c4da5946-f1f6-46a4-8836-3189e9427864/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2018-11-22 21:48:47,106 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 21:48:47,106 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 21:48:47,107 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 21:48:47,107 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-22 21:48:47,107 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 21:48:47,107 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 21:48:47,107 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 21:48:47,107 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 21:48:47,108 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 21:48:47,108 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 21:48:47,108 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 21:48:47,108 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 21:48:47,108 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 21:48:47,108 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 21:48:47,108 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 21:48:47,109 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-22 21:48:47,109 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-22 21:48:47,109 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 21:48:47,109 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 21:48:47,109 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-22 21:48:47,113 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 21:48:47,113 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 21:48:47,113 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 21:48:47,113 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-22 21:48:47,113 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 21:48:47,113 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 21:48:47,114 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-22 21:48:47,114 INFO L133 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_c4da5946-f1f6-46a4-8836-3189e9427864/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c905b8889c7b69d4cd80a67ac0102f832e7ffd9 [2018-11-22 21:48:47,136 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 21:48:47,143 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 21:48:47,145 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 21:48:47,146 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 21:48:47,146 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 21:48:47,146 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c4da5946-f1f6-46a4-8836-3189e9427864/bin-2019/ukojak/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko_true-unreach-call.cil.out.i.pp.i [2018-11-22 21:48:47,188 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c4da5946-f1f6-46a4-8836-3189e9427864/bin-2019/ukojak/data/170cdcd11/2f256d51d7924624a2f97ed94d150306/FLAG968e7aa4a [2018-11-22 21:48:47,726 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 21:48:47,727 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c4da5946-f1f6-46a4-8836-3189e9427864/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko_true-unreach-call.cil.out.i.pp.i [2018-11-22 21:48:47,746 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c4da5946-f1f6-46a4-8836-3189e9427864/bin-2019/ukojak/data/170cdcd11/2f256d51d7924624a2f97ed94d150306/FLAG968e7aa4a [2018-11-22 21:48:48,163 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c4da5946-f1f6-46a4-8836-3189e9427864/bin-2019/ukojak/data/170cdcd11/2f256d51d7924624a2f97ed94d150306 [2018-11-22 21:48:48,165 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 21:48:48,166 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 21:48:48,166 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 21:48:48,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 21:48:48,170 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 21:48:48,171 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:48:48" (1/1) ... [2018-11-22 21:48:48,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2582a661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:48:48, skipping insertion in model container [2018-11-22 21:48:48,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:48:48" (1/1) ... [2018-11-22 21:48:48,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 21:48:48,231 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 21:48:48,862 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 21:48:48,887 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 21:48:49,005 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 21:48:49,049 INFO L195 MainTranslator]: Completed translation [2018-11-22 21:48:49,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:48:49 WrapperNode [2018-11-22 21:48:49,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 21:48:49,050 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 21:48:49,050 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 21:48:49,050 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 21:48:49,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:48:49" (1/1) ... [2018-11-22 21:48:49,081 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:48:49" (1/1) ... [2018-11-22 21:48:49,131 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 21:48:49,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 21:48:49,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 21:48:49,131 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 21:48:49,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:48:49" (1/1) ... [2018-11-22 21:48:49,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:48:49" (1/1) ... [2018-11-22 21:48:49,148 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:48:49" (1/1) ... [2018-11-22 21:48:49,149 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:48:49" (1/1) ... [2018-11-22 21:48:49,177 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:48:49" (1/1) ... [2018-11-22 21:48:49,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:48:49" (1/1) ... [2018-11-22 21:48:49,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:48:49" (1/1) ... [2018-11-22 21:48:49,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 21:48:49,203 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 21:48:49,203 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 21:48:49,203 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 21:48:49,204 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:48:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c4da5946-f1f6-46a4-8836-3189e9427864/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-22 21:48:49,244 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2018-11-22 21:48:49,244 INFO L130 BoogieDeclarations]: Found specification of procedure ir_init [2018-11-22 21:48:49,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_init [2018-11-22 21:48:49,244 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2018-11-22 21:48:49,244 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2018-11-22 21:48:49,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-22 21:48:49,244 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2018-11-22 21:48:49,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 21:48:49,245 INFO L130 BoogieDeclarations]: Found specification of procedure ir_exit [2018-11-22 21:48:49,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_exit [2018-11-22 21:48:49,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-22 21:48:49,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-22 21:48:49,245 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2018-11-22 21:48:49,245 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2018-11-22 21:48:49,245 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2018-11-22 21:48:49,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-22 21:48:49,246 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2018-11-22 21:48:49,246 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2018-11-22 21:48:49,246 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out_r [2018-11-22 21:48:49,246 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2018-11-22 21:48:49,246 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2018-11-22 21:48:49,246 INFO L130 BoogieDeclarations]: Found specification of procedure tty_encode_baud_rate [2018-11-22 21:48:49,246 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2018-11-22 21:48:49,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2018-11-22 21:48:49,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2018-11-22 21:48:49,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2018-11-22 21:48:49,247 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2018-11-22 21:48:49,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-22 21:48:49,247 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-22 21:48:49,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-22 21:48:49,247 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out [2018-11-22 21:48:49,247 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2018-11-22 21:48:49,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2018-11-22 21:48:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2018-11-22 21:48:49,248 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2018-11-22 21:48:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2018-11-22 21:48:49,248 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2018-11-22 21:48:49,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2018-11-22 21:48:49,248 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_copy_hw [2018-11-22 21:48:49,248 INFO L130 BoogieDeclarations]: Found specification of procedure ir_xbof_change [2018-11-22 21:48:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_xbof_change [2018-11-22 21:48:49,248 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2018-11-22 21:48:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2018-11-22 21:48:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2018-11-22 21:48:49,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2018-11-22 21:48:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2018-11-22 21:48:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-22 21:48:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_open [2018-11-22 21:48:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 21:48:49,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 21:48:49,691 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-22 21:48:49,691 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-22 21:48:49,766 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-22 21:48:49,767 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-22 21:48:49,770 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-22 21:48:49,770 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-22 21:48:49,771 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-22 21:48:49,781 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-22 21:48:49,781 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-22 21:48:53,694 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 21:48:53,695 INFO L280 CfgBuilder]: Removed 57 assue(true) statements. [2018-11-22 21:48:53,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:48:53 BoogieIcfgContainer [2018-11-22 21:48:53,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 21:48:53,695 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-22 21:48:53,695 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-22 21:48:53,703 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-22 21:48:53,703 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:48:53" (1/1) ... [2018-11-22 21:48:53,717 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:48:53,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:53,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 99 states and 140 transitions. [2018-11-22 21:48:53,749 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 140 transitions. [2018-11-22 21:48:53,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-22 21:48:53,750 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:53,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:54,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:48:54,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:54,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 99 states and 137 transitions. [2018-11-22 21:48:54,520 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 137 transitions. [2018-11-22 21:48:54,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-22 21:48:54,525 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:54,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:48:55,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:55,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 101 states and 139 transitions. [2018-11-22 21:48:55,098 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 139 transitions. [2018-11-22 21:48:55,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-22 21:48:55,099 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:55,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:48:55,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:55,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 101 states and 138 transitions. [2018-11-22 21:48:55,208 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 138 transitions. [2018-11-22 21:48:55,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-22 21:48:55,209 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:55,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:55,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:48:55,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:55,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 105 states and 153 transitions. [2018-11-22 21:48:55,340 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 153 transitions. [2018-11-22 21:48:55,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-22 21:48:55,342 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:55,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:55,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:48:55,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:55,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 109 states and 168 transitions. [2018-11-22 21:48:55,454 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 168 transitions. [2018-11-22 21:48:55,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-22 21:48:55,455 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:55,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:55,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:48:55,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:55,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 114 states and 182 transitions. [2018-11-22 21:48:55,661 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 182 transitions. [2018-11-22 21:48:55,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-22 21:48:55,663 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:55,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:55,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:48:55,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:55,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 114 states and 181 transitions. [2018-11-22 21:48:55,756 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 181 transitions. [2018-11-22 21:48:55,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-22 21:48:55,758 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:55,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:48:55,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:55,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 121 states and 189 transitions. [2018-11-22 21:48:55,959 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 189 transitions. [2018-11-22 21:48:55,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-22 21:48:55,961 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:56,040 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:48:56,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:56,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 122 states and 189 transitions. [2018-11-22 21:48:56,049 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 189 transitions. [2018-11-22 21:48:56,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-22 21:48:56,050 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:56,149 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:48:56,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:56,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 125 states and 195 transitions. [2018-11-22 21:48:56,155 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 195 transitions. [2018-11-22 21:48:56,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-22 21:48:56,156 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:56,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:48:56,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:56,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 132 states and 203 transitions. [2018-11-22 21:48:56,306 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 203 transitions. [2018-11-22 21:48:56,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-22 21:48:56,307 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:56,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:56,397 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:48:56,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:56,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 135 states and 209 transitions. [2018-11-22 21:48:56,404 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 209 transitions. [2018-11-22 21:48:56,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-22 21:48:56,405 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:56,498 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 21:48:56,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:56,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 138 states and 214 transitions. [2018-11-22 21:48:56,506 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 214 transitions. [2018-11-22 21:48:56,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-22 21:48:56,507 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:56,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:56,610 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:48:56,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:56,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 144 states and 225 transitions. [2018-11-22 21:48:56,623 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 225 transitions. [2018-11-22 21:48:56,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-22 21:48:56,624 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:56,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:56,746 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 21:48:56,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:56,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 148 states and 230 transitions. [2018-11-22 21:48:56,763 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 230 transitions. [2018-11-22 21:48:56,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-22 21:48:56,764 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:56,837 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:48:56,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:56,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 154 states and 241 transitions. [2018-11-22 21:48:56,862 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 241 transitions. [2018-11-22 21:48:56,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-22 21:48:56,863 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:56,952 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 21:48:56,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:56,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 158 states and 246 transitions. [2018-11-22 21:48:56,995 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 246 transitions. [2018-11-22 21:48:56,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-22 21:48:56,995 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:57,196 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:48:57,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:57,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 160 states and 248 transitions. [2018-11-22 21:48:57,425 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 248 transitions. [2018-11-22 21:48:57,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-22 21:48:57,426 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:57,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:57,719 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:48:58,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:58,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 173 states and 279 transitions. [2018-11-22 21:48:58,639 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 279 transitions. [2018-11-22 21:48:58,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-22 21:48:58,641 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:58,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:58,890 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:49:00,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:00,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 184 states and 309 transitions. [2018-11-22 21:49:00,103 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 309 transitions. [2018-11-22 21:49:00,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-22 21:49:00,104 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:00,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:49:00,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:00,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 179 states and 300 transitions. [2018-11-22 21:49:00,187 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 300 transitions. [2018-11-22 21:49:00,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-22 21:49:00,188 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:00,257 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:49:00,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:00,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 180 states and 302 transitions. [2018-11-22 21:49:00,263 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 302 transitions. [2018-11-22 21:49:00,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-22 21:49:00,264 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:00,331 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:49:00,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:00,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 181 states and 302 transitions. [2018-11-22 21:49:00,462 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 302 transitions. [2018-11-22 21:49:00,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-22 21:49:00,463 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:00,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:49:00,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:00,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 182 states and 303 transitions. [2018-11-22 21:49:00,576 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 303 transitions. [2018-11-22 21:49:00,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-22 21:49:00,577 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:00,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:00,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:49:00,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:00,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 186 states and 309 transitions. [2018-11-22 21:49:00,651 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 309 transitions. [2018-11-22 21:49:00,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-22 21:49:00,652 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:00,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:00,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:49:00,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:00,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 187 states and 309 transitions. [2018-11-22 21:49:00,733 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 309 transitions. [2018-11-22 21:49:00,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-22 21:49:00,734 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:00,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:00,797 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 21:49:01,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:01,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 193 states and 319 transitions. [2018-11-22 21:49:01,269 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 319 transitions. [2018-11-22 21:49:01,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-22 21:49:01,270 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:01,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:01,340 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-22 21:49:01,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:01,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 197 states and 324 transitions. [2018-11-22 21:49:01,378 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 324 transitions. [2018-11-22 21:49:01,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-22 21:49:01,379 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:01,455 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:49:01,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:01,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 196 states and 322 transitions. [2018-11-22 21:49:01,477 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 322 transitions. [2018-11-22 21:49:01,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-22 21:49:01,478 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:01,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:49:01,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:01,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 200 states and 328 transitions. [2018-11-22 21:49:01,581 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 328 transitions. [2018-11-22 21:49:01,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-22 21:49:01,582 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:01,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:01,656 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:49:01,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:01,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 201 states and 328 transitions. [2018-11-22 21:49:01,671 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 328 transitions. [2018-11-22 21:49:01,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-22 21:49:01,672 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:01,775 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:49:01,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:01,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 202 states and 329 transitions. [2018-11-22 21:49:01,795 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 329 transitions. [2018-11-22 21:49:01,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-22 21:49:01,796 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:02,176 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:49:03,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:03,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 206 states and 332 transitions. [2018-11-22 21:49:03,218 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 332 transitions. [2018-11-22 21:49:03,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-22 21:49:03,219 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:03,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:49:04,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:04,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 213 states and 344 transitions. [2018-11-22 21:49:04,192 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 344 transitions. [2018-11-22 21:49:04,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-22 21:49:04,193 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:04,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:49:04,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:04,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 215 states and 347 transitions. [2018-11-22 21:49:04,338 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 347 transitions. [2018-11-22 21:49:04,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-22 21:49:04,339 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:04,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:04,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:49:04,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:04,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 216 states and 347 transitions. [2018-11-22 21:49:04,487 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 347 transitions. [2018-11-22 21:49:04,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-22 21:49:04,488 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:04,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:04,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:49:05,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:05,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 223 states and 360 transitions. [2018-11-22 21:49:05,428 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 360 transitions. [2018-11-22 21:49:05,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-22 21:49:05,429 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:05,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:05,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:49:05,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:05,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 224 states and 360 transitions. [2018-11-22 21:49:05,521 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 360 transitions. [2018-11-22 21:49:05,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-22 21:49:05,523 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:05,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:05,606 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:49:05,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:05,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 226 states and 363 transitions. [2018-11-22 21:49:05,625 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 363 transitions. [2018-11-22 21:49:05,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-22 21:49:05,626 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:05,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:05,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:49:05,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:05,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 227 states and 363 transitions. [2018-11-22 21:49:05,705 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 363 transitions. [2018-11-22 21:49:05,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-22 21:49:05,706 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:05,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:05,780 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:49:05,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:05,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 228 states and 363 transitions. [2018-11-22 21:49:05,786 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 363 transitions. [2018-11-22 21:49:05,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-22 21:49:05,788 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:05,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:06,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:49:06,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:06,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 238 states and 385 transitions. [2018-11-22 21:49:06,559 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 385 transitions. [2018-11-22 21:49:06,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-22 21:49:06,561 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:06,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:06,612 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 21:49:06,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:06,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 242 states and 391 transitions. [2018-11-22 21:49:06,647 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 391 transitions. [2018-11-22 21:49:06,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-22 21:49:06,648 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:06,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:06,697 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 21:49:06,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:06,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 243 states and 392 transitions. [2018-11-22 21:49:06,715 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 392 transitions. [2018-11-22 21:49:06,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-22 21:49:06,716 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:06,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:06,867 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-22 21:49:07,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:07,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 245 states and 397 transitions. [2018-11-22 21:49:07,130 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 397 transitions. [2018-11-22 21:49:07,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-22 21:49:07,131 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:07,210 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-22 21:49:07,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:07,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 247 states and 400 transitions. [2018-11-22 21:49:07,435 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 400 transitions. [2018-11-22 21:49:07,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-22 21:49:07,436 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:07,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:07,510 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 21:49:08,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:08,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 254 states and 413 transitions. [2018-11-22 21:49:08,352 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 413 transitions. [2018-11-22 21:49:08,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-22 21:49:08,352 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:08,429 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 21:49:08,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:08,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 258 states and 418 transitions. [2018-11-22 21:49:08,966 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 418 transitions. [2018-11-22 21:49:08,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-22 21:49:08,967 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:09,012 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 21:49:09,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:09,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 259 states and 418 transitions. [2018-11-22 21:49:09,021 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 418 transitions. [2018-11-22 21:49:09,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-22 21:49:09,022 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:09,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:09,083 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 21:49:09,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:09,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 264 states and 426 transitions. [2018-11-22 21:49:09,226 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 426 transitions. [2018-11-22 21:49:09,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-22 21:49:09,227 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:09,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:09,281 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 21:49:09,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:09,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 269 states and 433 transitions. [2018-11-22 21:49:09,450 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 433 transitions. [2018-11-22 21:49:09,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-22 21:49:09,450 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:09,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:09,501 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 21:49:09,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:09,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 270 states and 433 transitions. [2018-11-22 21:49:09,507 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 433 transitions. [2018-11-22 21:49:09,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-22 21:49:09,507 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:09,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:49:09,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:09,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 274 states and 443 transitions. [2018-11-22 21:49:09,615 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 443 transitions. [2018-11-22 21:49:09,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-22 21:49:09,615 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:09,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:10,522 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:49:12,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:12,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 289 states and 491 transitions. [2018-11-22 21:49:12,581 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 491 transitions. [2018-11-22 21:49:12,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-22 21:49:12,581 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:12,632 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-22 21:49:13,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:13,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 295 states and 508 transitions. [2018-11-22 21:49:13,327 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 508 transitions. [2018-11-22 21:49:13,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-22 21:49:13,328 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:13,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:13,513 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:49:13,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:13,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 296 states and 508 transitions. [2018-11-22 21:49:13,881 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 508 transitions. [2018-11-22 21:49:13,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-22 21:49:13,882 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:14,123 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:49:14,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:14,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 296 states and 507 transitions. [2018-11-22 21:49:14,166 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 507 transitions. [2018-11-22 21:49:14,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-22 21:49:14,167 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:14,240 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-22 21:49:15,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:15,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 302 states and 518 transitions. [2018-11-22 21:49:15,097 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 518 transitions. [2018-11-22 21:49:15,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-22 21:49:15,097 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:15,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:15,166 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-22 21:49:16,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:16,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 308 states and 528 transitions. [2018-11-22 21:49:16,028 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 528 transitions. [2018-11-22 21:49:16,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-22 21:49:16,028 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:16,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:16,080 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-22 21:49:16,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:16,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 312 states and 534 transitions. [2018-11-22 21:49:16,116 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 534 transitions. [2018-11-22 21:49:16,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-22 21:49:16,117 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:16,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:16,264 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-22 21:49:17,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:17,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 317 states and 545 transitions. [2018-11-22 21:49:17,338 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 545 transitions. [2018-11-22 21:49:17,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-22 21:49:17,339 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:17,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:17,682 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:49:18,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:18,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 317 states and 544 transitions. [2018-11-22 21:49:18,353 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 544 transitions. [2018-11-22 21:49:18,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-22 21:49:18,353 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:18,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:18,441 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-22 21:49:18,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:18,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 318 states and 548 transitions. [2018-11-22 21:49:18,909 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 548 transitions. [2018-11-22 21:49:18,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-22 21:49:18,910 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:18,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:19,039 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-22 21:49:19,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:19,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 319 states and 548 transitions. [2018-11-22 21:49:19,474 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 548 transitions. [2018-11-22 21:49:19,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-22 21:49:19,475 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:19,537 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-22 21:49:20,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:20,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 325 states and 562 transitions. [2018-11-22 21:49:20,302 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 562 transitions. [2018-11-22 21:49:20,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-22 21:49:20,303 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:20,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:20,345 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-22 21:49:21,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:21,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 330 states and 573 transitions. [2018-11-22 21:49:21,717 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 573 transitions. [2018-11-22 21:49:21,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-22 21:49:21,717 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:21,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:22,096 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:49:22,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:22,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 331 states and 574 transitions. [2018-11-22 21:49:22,127 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 574 transitions. [2018-11-22 21:49:22,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-22 21:49:22,128 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:22,624 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:49:23,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:23,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 335 states and 581 transitions. [2018-11-22 21:49:23,712 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 581 transitions. [2018-11-22 21:49:23,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-22 21:49:23,713 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:23,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:23,770 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-22 21:49:23,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:23,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 336 states and 581 transitions. [2018-11-22 21:49:23,781 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 581 transitions. [2018-11-22 21:49:23,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-22 21:49:23,782 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:23,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:24,486 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:49:26,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:26,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 343 states and 601 transitions. [2018-11-22 21:49:26,061 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 601 transitions. [2018-11-22 21:49:26,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-22 21:49:26,062 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:26,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:26,243 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-22 21:49:27,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:27,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 347 states and 608 transitions. [2018-11-22 21:49:27,686 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 608 transitions. [2018-11-22 21:49:27,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-22 21:49:27,686 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:27,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:27,725 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:49:28,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:28,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 351 states and 615 transitions. [2018-11-22 21:49:28,059 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 615 transitions. [2018-11-22 21:49:28,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-22 21:49:28,060 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:28,190 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-22 21:49:28,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:28,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 352 states and 615 transitions. [2018-11-22 21:49:28,196 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 615 transitions. [2018-11-22 21:49:28,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-22 21:49:28,197 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:28,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:28,236 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-22 21:49:29,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:29,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 356 states and 623 transitions. [2018-11-22 21:49:29,282 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 623 transitions. [2018-11-22 21:49:29,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-22 21:49:29,283 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:29,325 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-22 21:49:29,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:29,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 360 states and 629 transitions. [2018-11-22 21:49:29,347 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 629 transitions. [2018-11-22 21:49:29,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-22 21:49:29,348 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:29,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:29,551 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:49:30,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:30,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 361 states and 632 transitions. [2018-11-22 21:49:30,436 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 632 transitions. [2018-11-22 21:49:30,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-22 21:49:30,437 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:30,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:30,516 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-22 21:49:31,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:31,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 366 states and 643 transitions. [2018-11-22 21:49:31,577 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 643 transitions. [2018-11-22 21:49:31,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-22 21:49:31,577 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:31,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:31,616 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-22 21:49:31,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:31,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 367 states and 643 transitions. [2018-11-22 21:49:31,623 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 643 transitions. [2018-11-22 21:49:31,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-22 21:49:31,623 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:31,664 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-22 21:49:31,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:31,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 368 states and 644 transitions. [2018-11-22 21:49:31,855 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 644 transitions. [2018-11-22 21:49:31,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-22 21:49:31,856 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:31,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:31,892 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-22 21:49:31,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:31,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 369 states and 644 transitions. [2018-11-22 21:49:31,898 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 644 transitions. [2018-11-22 21:49:31,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-22 21:49:31,899 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:31,983 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:49:32,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:32,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 373 states and 657 transitions. [2018-11-22 21:49:32,012 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 657 transitions. [2018-11-22 21:49:32,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-22 21:49:32,013 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:32,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:32,063 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-22 21:49:32,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:32,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 376 states and 661 transitions. [2018-11-22 21:49:32,554 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 661 transitions. [2018-11-22 21:49:32,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-22 21:49:32,555 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:32,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:33,208 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:49:37,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:37,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 392 states and 712 transitions. [2018-11-22 21:49:37,378 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 712 transitions. [2018-11-22 21:49:37,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-22 21:49:37,378 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:37,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:37,434 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 21:49:37,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:37,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 396 states and 719 transitions. [2018-11-22 21:49:37,887 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 719 transitions. [2018-11-22 21:49:37,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-22 21:49:37,889 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:37,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:37,943 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:49:37,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:37,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 400 states and 724 transitions. [2018-11-22 21:49:37,991 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 724 transitions. [2018-11-22 21:49:37,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-22 21:49:37,992 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:38,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:38,235 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-22 21:49:39,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:39,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 404 states and 728 transitions. [2018-11-22 21:49:39,642 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 728 transitions. [2018-11-22 21:49:39,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-22 21:49:39,643 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:40,091 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:49:41,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:41,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 411 states and 757 transitions. [2018-11-22 21:49:41,600 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 757 transitions. [2018-11-22 21:49:41,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-22 21:49:41,601 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:41,655 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-22 21:49:43,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:43,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 420 states and 771 transitions. [2018-11-22 21:49:43,773 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 771 transitions. [2018-11-22 21:49:43,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-22 21:49:43,774 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:43,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:43,839 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-22 21:49:44,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:44,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 421 states and 771 transitions. [2018-11-22 21:49:44,521 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 771 transitions. [2018-11-22 21:49:44,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-22 21:49:44,522 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:44,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:44,988 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:49:45,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:45,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 422 states and 772 transitions. [2018-11-22 21:49:45,012 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 772 transitions. [2018-11-22 21:49:45,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-22 21:49:45,012 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:45,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:45,060 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-22 21:49:46,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:46,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 426 states and 781 transitions. [2018-11-22 21:49:46,557 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 781 transitions. [2018-11-22 21:49:46,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-22 21:49:46,557 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:46,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:46,607 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-22 21:49:48,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:48,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 430 states and 787 transitions. [2018-11-22 21:49:48,086 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 787 transitions. [2018-11-22 21:49:48,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-22 21:49:48,087 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:48,145 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-22 21:49:48,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:48,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 431 states and 787 transitions. [2018-11-22 21:49:48,685 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 787 transitions. [2018-11-22 21:49:48,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-22 21:49:48,718 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:48,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:48,892 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-22 21:49:49,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:49,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 432 states and 787 transitions. [2018-11-22 21:49:49,554 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 787 transitions. [2018-11-22 21:49:49,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-22 21:49:49,555 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:49,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:49,608 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-22 21:49:50,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:50,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 434 states and 792 transitions. [2018-11-22 21:49:50,347 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 792 transitions. [2018-11-22 21:49:50,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-22 21:49:50,348 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:50,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:50,394 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-22 21:49:50,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:50,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 437 states and 797 transitions. [2018-11-22 21:49:50,647 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 797 transitions. [2018-11-22 21:49:50,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-22 21:49:50,648 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:50,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:50,920 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-22 21:49:52,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:52,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 441 states and 802 transitions. [2018-11-22 21:49:52,428 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 802 transitions. [2018-11-22 21:49:52,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-22 21:49:52,429 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:52,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:52,475 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-22 21:49:52,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:52,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 442 states and 802 transitions. [2018-11-22 21:49:52,484 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 802 transitions. [2018-11-22 21:49:52,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-22 21:49:52,485 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:52,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:52,539 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-22 21:49:53,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:53,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 445 states and 805 transitions. [2018-11-22 21:49:53,872 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 805 transitions. [2018-11-22 21:49:53,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-22 21:49:53,873 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:53,918 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 21:49:53,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:53,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 449 states and 810 transitions. [2018-11-22 21:49:53,946 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 810 transitions. [2018-11-22 21:49:53,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-22 21:49:53,947 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:53,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:53,987 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-22 21:49:54,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:54,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 453 states and 816 transitions. [2018-11-22 21:49:54,925 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 816 transitions. [2018-11-22 21:49:54,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-22 21:49:54,926 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:54,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:54,972 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-22 21:49:55,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:55,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 455 states and 819 transitions. [2018-11-22 21:49:55,414 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 819 transitions. [2018-11-22 21:49:55,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-22 21:49:55,415 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:55,462 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-22 21:49:56,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:56,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 458 states and 822 transitions. [2018-11-22 21:49:56,179 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 822 transitions. [2018-11-22 21:49:56,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-22 21:49:56,179 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:56,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:56,230 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-22 21:49:56,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:56,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 460 states and 825 transitions. [2018-11-22 21:49:56,487 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 825 transitions. [2018-11-22 21:49:56,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-22 21:49:56,488 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:56,534 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-22 21:49:56,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:56,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 465 states and 832 transitions. [2018-11-22 21:49:56,809 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 832 transitions. [2018-11-22 21:49:56,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-22 21:49:56,810 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:56,973 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-22 21:49:57,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:57,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 466 states and 832 transitions. [2018-11-22 21:49:57,468 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 832 transitions. [2018-11-22 21:49:57,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-22 21:49:57,469 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:57,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:57,514 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-22 21:49:58,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:58,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 467 states and 833 transitions. [2018-11-22 21:49:58,003 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 833 transitions. [2018-11-22 21:49:58,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-22 21:49:58,004 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:58,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:58,046 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-22 21:49:58,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:58,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 468 states and 835 transitions. [2018-11-22 21:49:58,246 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 835 transitions. [2018-11-22 21:49:58,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-22 21:49:58,247 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:58,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:58,287 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-22 21:49:58,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:58,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 469 states and 835 transitions. [2018-11-22 21:49:58,767 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 835 transitions. [2018-11-22 21:49:58,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-22 21:49:58,767 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:58,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:58,810 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-22 21:49:59,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:59,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 470 states and 835 transitions. [2018-11-22 21:49:59,345 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 835 transitions. [2018-11-22 21:49:59,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-22 21:49:59,345 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:59,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:59,388 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-22 21:49:59,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:59,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 471 states and 836 transitions. [2018-11-22 21:49:59,651 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 836 transitions. [2018-11-22 21:49:59,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-22 21:49:59,652 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:49:59,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:49:59,712 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-22 21:49:59,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:49:59,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 472 states and 838 transitions. [2018-11-22 21:49:59,992 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 838 transitions. [2018-11-22 21:49:59,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-22 21:49:59,993 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:50:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:50:00,039 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-22 21:50:00,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:50:00,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 473 states and 838 transitions. [2018-11-22 21:50:00,295 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 838 transitions. [2018-11-22 21:50:00,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-22 21:50:00,295 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:50:00,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:50:00,335 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-22 21:50:00,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:50:00,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 236 states and 391 transitions. [2018-11-22 21:50:00,624 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 391 transitions. [2018-11-22 21:50:00,624 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 21:50:00,624 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 115 iterations. [2018-11-22 21:50:00,631 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-22 21:50:01,234 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:50:01,237 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:50:01,237 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:50:01,237 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:50:01,237 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:50:01,237 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:50:01,237 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:50:01,237 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-22 21:50:01,239 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-22 21:50:01,240 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-22 21:50:01,240 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-22 21:50:01,242 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-22 21:50:01,243 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-22 21:50:01,243 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-22 21:50:01,243 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:50:01,243 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:50:01,243 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:50:01,244 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:50:01,244 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-22 21:50:01,244 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-22 21:50:01,244 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-22 21:50:01,244 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-22 21:50:01,245 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-22 21:50:01,245 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-22 21:50:01,245 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-22 21:50:01,245 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:50:01,245 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:50:01,245 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:50:01,245 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:50:01,245 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:50:01,245 INFO L579 CodeCheckObserver]: Invariant with dag size 26 [2018-11-22 21:50:01,246 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:50:01,246 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:50:01,246 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-22 21:50:01,247 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-22 21:50:01,247 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-22 21:50:01,247 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-22 21:50:01,247 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-22 21:50:01,247 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-22 21:50:01,248 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-22 21:50:01,248 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:50:01,248 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:50:01,248 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:50:01,248 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:50:01,248 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:50:01,248 INFO L579 CodeCheckObserver]: Invariant with dag size 8 [2018-11-22 21:50:01,248 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:50:01,249 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:50:01,249 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:50:01,249 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:50:01,249 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:50:01,249 INFO L579 CodeCheckObserver]: Invariant with dag size 6 [2018-11-22 21:50:01,249 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:50:01,249 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:50:01,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 09:50:01 ImpRootNode [2018-11-22 21:50:01,250 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-22 21:50:01,250 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 21:50:01,250 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 21:50:01,250 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 21:50:01,251 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:48:53" (3/4) ... [2018-11-22 21:50:01,254 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 21:50:01,257 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ir_xbof_change [2018-11-22 21:50:01,257 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ir_init [2018-11-22 21:50:01,257 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ir_exit [2018-11-22 21:50:01,257 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kfifo_uint_must_check_helper [2018-11-22 21:50:01,257 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_assume_stop [2018-11-22 21:50:01,258 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kmalloc [2018-11-22 21:50:01,258 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_free_urb [2018-11-22 21:50:01,258 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_blast_assert [2018-11-22 21:50:01,258 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __create_pipe [2018-11-22 21:50:01,271 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 251 nodes and edges [2018-11-22 21:50:01,272 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 77 nodes and edges [2018-11-22 21:50:01,273 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2018-11-22 21:50:01,274 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-22 21:50:01,275 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-22 21:50:01,276 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-22 21:50:01,277 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 21:50:01,277 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 21:50:01,300 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown) || !(0 == \old(unknown-#memory_int-unknown)[buffer_size][buffer_size]) [2018-11-22 21:50:01,300 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(retval == 0) && (unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown) || !(0 == \old(unknown-#memory_int-unknown)[buffer_size][buffer_size])) [2018-11-22 21:50:01,301 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown) || !(0 == \old(unknown-#memory_int-unknown)[buffer_size][buffer_size]) [2018-11-22 21:50:01,302 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(xbof___0) == 0) && !(\old(xbof___0) == 1)) && !(\old(xbof___0) == 24)) && !(64 == \old(xbof___0))) && !(\old(xbof___0) == 6)) && !(\old(xbof___0) == 12)) && !(2 == \old(xbof___0))) && !(\old(xbof___0) == 3) [2018-11-22 21:50:01,302 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(xbof___0) == 0) && !(64 == \old(xbof___0)) [2018-11-22 21:50:01,303 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ldv_urb_state < 1 || ldv_urb_state == \old(ldv_urb_state) [2018-11-22 21:50:01,449 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c4da5946-f1f6-46a4-8836-3189e9427864/bin-2019/ukojak/witness.graphml [2018-11-22 21:50:01,450 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 21:50:01,450 INFO L168 Benchmark]: Toolchain (without parser) took 73285.09 ms. Allocated memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 951.2 MB in the beginning and 963.6 MB in the end (delta: -12.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-11-22 21:50:01,452 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 21:50:01,452 INFO L168 Benchmark]: CACSL2BoogieTranslator took 883.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 951.2 MB in the beginning and 1.1 GB in the end (delta: -132.9 MB). Peak memory consumption was 73.6 MB. Max. memory is 11.5 GB. [2018-11-22 21:50:01,452 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-22 21:50:01,452 INFO L168 Benchmark]: Boogie Preprocessor took 71.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-22 21:50:01,455 INFO L168 Benchmark]: RCFGBuilder took 4491.85 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 59.2 MB). Free memory was 1.1 GB in the beginning and 888.3 MB in the end (delta: 177.0 MB). Peak memory consumption was 254.1 MB. Max. memory is 11.5 GB. [2018-11-22 21:50:01,455 INFO L168 Benchmark]: CodeCheck took 67554.31 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.1 GB). Free memory was 888.3 MB in the beginning and 1.1 GB in the end (delta: -247.5 MB). Peak memory consumption was 871.8 MB. Max. memory is 11.5 GB. [2018-11-22 21:50:01,456 INFO L168 Benchmark]: Witness Printer took 199.76 ms. Allocated memory is still 2.4 GB. Free memory was 1.1 GB in the beginning and 963.6 MB in the end (delta: 172.3 MB). Peak memory consumption was 172.3 MB. Max. memory is 11.5 GB. [2018-11-22 21:50:01,457 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 10 procedures, 265 locations, 1 error locations. SAFE Result, 66.8s OverallTime, 115 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -754212864 SDtfs, 1671276948 SDslu, 200965512 SDs, 0 SdLazy, 1944345676 SolverSat, 707019776 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 229.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58547 GetRequests, 57791 SyntacticMatches, 182 SemanticMatches, 574 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151803 ImplicationChecksByTransitivity, 53.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.6s SsaConstructionTime, 3.8s SatisfiabilityAnalysisTime, 9.7s InterpolantComputationTime, 5354 NumberOfCodeBlocks, 5354 NumberOfCodeBlocksAsserted, 114 NumberOfCheckSat, 5240 ConstructedInterpolants, 0 QuantifiedInterpolants, 845418 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 114 InterpolantComputations, 106 PerfectInterpolantSequences, 1074/1115 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 4966]: 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: 4871]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4232]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4095]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4503]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3617]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5076]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4667]: Loop Invariant [2018-11-22 21:50:01,458 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-22 21:50:01,459 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-22 21:50:01,459 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-22 21:50:01,459 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-22 21:50:01,459 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-22 21:50:01,459 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown) || !(0 == \old(unknown-#memory_int-unknown)[buffer_size][buffer_size]) - InvariantResult [Line: 5115]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3992]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4628]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4317]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4675]: Loop Invariant [2018-11-22 21:50:01,460 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-22 21:50:01,460 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-22 21:50:01,460 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-22 21:50:01,460 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-22 21:50:01,460 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-22 21:50:01,460 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown) || !(0 == \old(unknown-#memory_int-unknown)[buffer_size][buffer_size]) - InvariantResult [Line: 5111]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4622]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3653]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4888]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4086]: Loop Invariant Derived loop invariant: ((((((!(\old(xbof___0) == 0) && !(\old(xbof___0) == 1)) && !(\old(xbof___0) == 24)) && !(64 == \old(xbof___0))) && !(\old(xbof___0) == 6)) && !(\old(xbof___0) == 12)) && !(2 == \old(xbof___0))) && !(\old(xbof___0) == 3) - InvariantResult [Line: 4098]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4872]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4657]: Loop Invariant [2018-11-22 21:50:01,473 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-22 21:50:01,474 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-22 21:50:01,474 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-22 21:50:01,474 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-22 21:50:01,474 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-22 21:50:01,474 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: !(retval == 0) && (unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown) || !(0 == \old(unknown-#memory_int-unknown)[buffer_size][buffer_size])) - InvariantResult [Line: 4897]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4551]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4316]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4894]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4146]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4089]: Loop Invariant Derived loop invariant: !(\old(xbof___0) == 0) && !(64 == \old(xbof___0)) - InvariantResult [Line: 4114]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4232]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3984]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4398]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3992]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5081]: Loop Invariant Derived loop invariant: ldv_urb_state < 1 || ldv_urb_state == \old(ldv_urb_state) - InvariantResult [Line: 4255]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4972]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 883.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 951.2 MB in the beginning and 1.1 GB in the end (delta: -132.9 MB). Peak memory consumption was 73.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 80.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4491.85 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 59.2 MB). Free memory was 1.1 GB in the beginning and 888.3 MB in the end (delta: 177.0 MB). Peak memory consumption was 254.1 MB. Max. memory is 11.5 GB. * CodeCheck took 67554.31 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.1 GB). Free memory was 888.3 MB in the beginning and 1.1 GB in the end (delta: -247.5 MB). Peak memory consumption was 871.8 MB. Max. memory is 11.5 GB. * Witness Printer took 199.76 ms. Allocated memory is still 2.4 GB. Free memory was 1.1 GB in the beginning and 963.6 MB in the end (delta: 172.3 MB). Peak memory consumption was 172.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int RESULT: Ultimate proved your program to be correct! Received shutdown request...