./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point_true-unreach-call.cil.out.c --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_139ea5a3-1e0a-4cbf-b1d9-a716a18aa955/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_139ea5a3-1e0a-4cbf-b1d9-a716a18aa955/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_139ea5a3-1e0a-4cbf-b1d9-a716a18aa955/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_139ea5a3-1e0a-4cbf-b1d9-a716a18aa955/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point_true-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_139ea5a3-1e0a-4cbf-b1d9-a716a18aa955/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_139ea5a3-1e0a-4cbf-b1d9-a716a18aa955/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 24779204d88cf57957c9dfe5b601cab1deec6a1c ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 14:55:43,077 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 14:55:43,078 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 14:55:43,086 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 14:55:43,087 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 14:55:43,087 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 14:55:43,088 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 14:55:43,089 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 14:55:43,090 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 14:55:43,091 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 14:55:43,091 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 14:55:43,092 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 14:55:43,092 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 14:55:43,093 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 14:55:43,094 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 14:55:43,095 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 14:55:43,095 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 14:55:43,096 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 14:55:43,098 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 14:55:43,099 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 14:55:43,100 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 14:55:43,100 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 14:55:43,102 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 14:55:43,102 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 14:55:43,102 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 14:55:43,103 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 14:55:43,104 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 14:55:43,104 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 14:55:43,105 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 14:55:43,105 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 14:55:43,106 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 14:55:43,106 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 14:55:43,106 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 14:55:43,106 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 14:55:43,107 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 14:55:43,107 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 14:55:43,108 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_139ea5a3-1e0a-4cbf-b1d9-a716a18aa955/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf [2018-11-23 14:55:43,118 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 14:55:43,118 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 14:55:43,118 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 14:55:43,119 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 14:55:43,119 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 14:55:43,119 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 14:55:43,119 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 14:55:43,120 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 14:55:43,120 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 14:55:43,120 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 14:55:43,120 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 14:55:43,120 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 14:55:43,120 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 14:55:43,120 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 14:55:43,121 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 14:55:43,121 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 14:55:43,121 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 14:55:43,121 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 14:55:43,121 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 14:55:43,121 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 14:55:43,121 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 14:55:43,122 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 14:55:43,122 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 14:55:43,122 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 14:55:43,122 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 14:55:43,122 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 14:55:43,122 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 14:55:43,122 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 14:55:43,122 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_139ea5a3-1e0a-4cbf-b1d9-a716a18aa955/bin-2019/uautomizer 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 -> Automizer 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 -> 24779204d88cf57957c9dfe5b601cab1deec6a1c [2018-11-23 14:55:43,147 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 14:55:43,155 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 14:55:43,156 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 14:55:43,158 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 14:55:43,158 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 14:55:43,159 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_139ea5a3-1e0a-4cbf-b1d9-a716a18aa955/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 14:55:43,192 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_139ea5a3-1e0a-4cbf-b1d9-a716a18aa955/bin-2019/uautomizer/data/6c4730069/c53f9148e7a54bf6a33ebc6a1ddeda39/FLAG7d2167415 [2018-11-23 14:55:43,751 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 14:55:43,751 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_139ea5a3-1e0a-4cbf-b1d9-a716a18aa955/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 14:55:43,769 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_139ea5a3-1e0a-4cbf-b1d9-a716a18aa955/bin-2019/uautomizer/data/6c4730069/c53f9148e7a54bf6a33ebc6a1ddeda39/FLAG7d2167415 [2018-11-23 14:55:44,176 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_139ea5a3-1e0a-4cbf-b1d9-a716a18aa955/bin-2019/uautomizer/data/6c4730069/c53f9148e7a54bf6a33ebc6a1ddeda39 [2018-11-23 14:55:44,179 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 14:55:44,180 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 14:55:44,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 14:55:44,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 14:55:44,183 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 14:55:44,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:55:44" (1/1) ... [2018-11-23 14:55:44,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@166d32f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:44, skipping insertion in model container [2018-11-23 14:55:44,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:55:44" (1/1) ... [2018-11-23 14:55:44,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 14:55:44,242 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 14:55:45,061 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:55:45,085 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 14:55:45,210 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:55:45,262 INFO L195 MainTranslator]: Completed translation [2018-11-23 14:55:45,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:45 WrapperNode [2018-11-23 14:55:45,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 14:55:45,263 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 14:55:45,263 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 14:55:45,263 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 14:55:45,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:45" (1/1) ... [2018-11-23 14:55:45,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:45" (1/1) ... [2018-11-23 14:55:45,305 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 14:55:45,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 14:55:45,306 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 14:55:45,306 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 14:55:45,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:45" (1/1) ... [2018-11-23 14:55:45,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:45" (1/1) ... [2018-11-23 14:55:45,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:45" (1/1) ... [2018-11-23 14:55:45,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:45" (1/1) ... [2018-11-23 14:55:45,352 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:45" (1/1) ... [2018-11-23 14:55:45,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:45" (1/1) ... [2018-11-23 14:55:45,365 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:45" (1/1) ... [2018-11-23 14:55:45,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 14:55:45,372 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 14:55:45,372 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 14:55:45,372 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 14:55:45,373 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_139ea5a3-1e0a-4cbf-b1d9-a716a18aa955/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2018-11-23 14:55:45,413 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2018-11-23 14:55:45,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_usb_unlock_device_13 [2018-11-23 14:55:45,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_usb_unlock_device_13 [2018-11-23 14:55:45,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 14:55:45,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-23 14:55:45,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-23 14:55:45,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 14:55:45,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-23 14:55:45,414 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2018-11-23 14:55:45,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-23 14:55:45,414 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-23 14:55:45,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2018-11-23 14:55:45,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2018-11-23 14:55:45,414 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_subset_driver_exit [2018-11-23 14:55:45,415 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_subset_driver_exit [2018-11-23 14:55:45,415 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2018-11-23 14:55:45,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_12 [2018-11-23 14:55:45,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_12 [2018-11-23 14:55:45,415 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2018-11-23 14:55:45,415 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_subset_driver_init [2018-11-23 14:55:45,415 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_subset_driver_init [2018-11-23 14:55:45,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2018-11-23 14:55:45,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2018-11-23 14:55:45,416 INFO L130 BoogieDeclarations]: Found specification of procedure m5632_recover [2018-11-23 14:55:45,416 INFO L138 BoogieDeclarations]: Found implementation of procedure m5632_recover [2018-11-23 14:55:45,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_udev [2018-11-23 14:55:45,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_udev [2018-11-23 14:55:45,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2018-11-23 14:55:45,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-23 14:55:45,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-23 14:55:45,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_15 [2018-11-23 14:55:45,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_15 [2018-11-23 14:55:45,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-23 14:55:45,416 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-23 14:55:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2018-11-23 14:55:45,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2018-11-23 14:55:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 14:55:45,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 14:55:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2018-11-23 14:55:45,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2018-11-23 14:55:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_udev [2018-11-23 14:55:45,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_udev [2018-11-23 14:55:45,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_udev [2018-11-23 14:55:45,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_udev [2018-11-23 14:55:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2018-11-23 14:55:45,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2018-11-23 14:55:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 14:55:45,418 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 14:55:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2018-11-23 14:55:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 14:55:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2018-11-23 14:55:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_usb_unlock_device [2018-11-23 14:55:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 14:55:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-23 14:55:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_udev [2018-11-23 14:55:45,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_udev [2018-11-23 14:55:45,418 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2018-11-23 14:55:45,419 INFO L130 BoogieDeclarations]: Found specification of procedure always_connected [2018-11-23 14:55:45,419 INFO L138 BoogieDeclarations]: Found implementation of procedure always_connected [2018-11-23 14:55:45,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_14 [2018-11-23 14:55:45,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_14 [2018-11-23 14:55:45,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 14:55:45,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-23 14:55:45,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-11-23 14:55:45,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 14:55:45,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 14:55:46,501 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 14:55:46,501 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 14:55:46,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:55:46 BoogieIcfgContainer [2018-11-23 14:55:46,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 14:55:46,503 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 14:55:46,503 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 14:55:46,505 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 14:55:46,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:55:44" (1/3) ... [2018-11-23 14:55:46,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2402f0f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:55:46, skipping insertion in model container [2018-11-23 14:55:46,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:45" (2/3) ... [2018-11-23 14:55:46,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2402f0f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:55:46, skipping insertion in model container [2018-11-23 14:55:46,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:55:46" (3/3) ... [2018-11-23 14:55:46,507 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 14:55:46,514 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 14:55:46,519 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 14:55:46,529 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 14:55:46,550 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 14:55:46,551 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 14:55:46,551 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 14:55:46,551 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 14:55:46,551 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 14:55:46,551 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 14:55:46,551 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 14:55:46,552 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 14:55:46,552 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 14:55:46,568 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states. [2018-11-23 14:55:46,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-23 14:55:46,577 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:55:46,577 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:55:46,579 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:55:46,582 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:55:46,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1537860322, now seen corresponding path program 1 times [2018-11-23 14:55:46,584 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:55:46,584 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:55:46,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:46,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:55:46,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:46,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:55:46,948 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-23 14:55:46,950 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:55:46,950 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 14:55:46,953 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 14:55:46,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 14:55:46,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:55:46,963 INFO L87 Difference]: Start difference. First operand 217 states. Second operand 3 states. [2018-11-23 14:55:47,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:55:47,078 INFO L93 Difference]: Finished difference Result 547 states and 769 transitions. [2018-11-23 14:55:47,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 14:55:47,080 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2018-11-23 14:55:47,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:55:47,091 INFO L225 Difference]: With dead ends: 547 [2018-11-23 14:55:47,091 INFO L226 Difference]: Without dead ends: 332 [2018-11-23 14:55:47,095 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:55:47,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2018-11-23 14:55:47,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 328. [2018-11-23 14:55:47,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2018-11-23 14:55:47,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 436 transitions. [2018-11-23 14:55:47,146 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 436 transitions. Word has length 97 [2018-11-23 14:55:47,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:55:47,147 INFO L480 AbstractCegarLoop]: Abstraction has 328 states and 436 transitions. [2018-11-23 14:55:47,147 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 14:55:47,147 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 436 transitions. [2018-11-23 14:55:47,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-23 14:55:47,150 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:55:47,150 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:55:47,150 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:55:47,150 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:55:47,151 INFO L82 PathProgramCache]: Analyzing trace with hash 2000721292, now seen corresponding path program 1 times [2018-11-23 14:55:47,151 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:55:47,151 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:55:47,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:47,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:55:47,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:47,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:55:47,264 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-23 14:55:47,265 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:55:47,265 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 14:55:47,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 14:55:47,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 14:55:47,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:55:47,266 INFO L87 Difference]: Start difference. First operand 328 states and 436 transitions. Second operand 3 states. [2018-11-23 14:55:47,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:55:47,317 INFO L93 Difference]: Finished difference Result 797 states and 1094 transitions. [2018-11-23 14:55:47,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 14:55:47,318 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2018-11-23 14:55:47,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:55:47,321 INFO L225 Difference]: With dead ends: 797 [2018-11-23 14:55:47,321 INFO L226 Difference]: Without dead ends: 506 [2018-11-23 14:55:47,323 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:55:47,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2018-11-23 14:55:47,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 487. [2018-11-23 14:55:47,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 487 states. [2018-11-23 14:55:47,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 678 transitions. [2018-11-23 14:55:47,351 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 678 transitions. Word has length 99 [2018-11-23 14:55:47,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:55:47,351 INFO L480 AbstractCegarLoop]: Abstraction has 487 states and 678 transitions. [2018-11-23 14:55:47,351 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 14:55:47,351 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 678 transitions. [2018-11-23 14:55:47,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-23 14:55:47,353 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:55:47,353 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:55:47,354 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:55:47,354 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:55:47,354 INFO L82 PathProgramCache]: Analyzing trace with hash -230284343, now seen corresponding path program 1 times [2018-11-23 14:55:47,354 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:55:47,354 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:55:47,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:47,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:55:47,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:47,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:55:47,527 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-11-23 14:55:47,527 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:55:47,527 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 14:55:47,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 14:55:47,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 14:55:47,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:55:47,528 INFO L87 Difference]: Start difference. First operand 487 states and 678 transitions. Second operand 3 states. [2018-11-23 14:55:47,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:55:47,579 INFO L93 Difference]: Finished difference Result 509 states and 704 transitions. [2018-11-23 14:55:47,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 14:55:47,580 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2018-11-23 14:55:47,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:55:47,582 INFO L225 Difference]: With dead ends: 509 [2018-11-23 14:55:47,582 INFO L226 Difference]: Without dead ends: 498 [2018-11-23 14:55:47,583 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:55:47,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2018-11-23 14:55:47,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 487. [2018-11-23 14:55:47,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 487 states. [2018-11-23 14:55:47,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 677 transitions. [2018-11-23 14:55:47,602 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 677 transitions. Word has length 117 [2018-11-23 14:55:47,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:55:47,602 INFO L480 AbstractCegarLoop]: Abstraction has 487 states and 677 transitions. [2018-11-23 14:55:47,602 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 14:55:47,603 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 677 transitions. [2018-11-23 14:55:47,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-23 14:55:47,604 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:55:47,604 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:55:47,605 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:55:47,605 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:55:47,605 INFO L82 PathProgramCache]: Analyzing trace with hash -173026041, now seen corresponding path program 1 times [2018-11-23 14:55:47,605 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:55:47,605 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:55:47,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:47,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:55:47,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:55:47,764 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-11-23 14:55:47,765 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:55:47,765 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 14:55:47,765 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 14:55:47,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 14:55:47,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:55:47,766 INFO L87 Difference]: Start difference. First operand 487 states and 677 transitions. Second operand 3 states. [2018-11-23 14:55:47,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:55:47,779 INFO L93 Difference]: Finished difference Result 489 states and 678 transitions. [2018-11-23 14:55:47,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 14:55:47,779 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2018-11-23 14:55:47,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:55:47,782 INFO L225 Difference]: With dead ends: 489 [2018-11-23 14:55:47,782 INFO L226 Difference]: Without dead ends: 486 [2018-11-23 14:55:47,782 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:55:47,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2018-11-23 14:55:47,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 486. [2018-11-23 14:55:47,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 486 states. [2018-11-23 14:55:47,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 675 transitions. [2018-11-23 14:55:47,801 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 675 transitions. Word has length 117 [2018-11-23 14:55:47,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:55:47,801 INFO L480 AbstractCegarLoop]: Abstraction has 486 states and 675 transitions. [2018-11-23 14:55:47,801 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 14:55:47,801 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 675 transitions. [2018-11-23 14:55:47,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-23 14:55:47,803 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:55:47,803 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:55:47,803 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:55:47,803 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:55:47,803 INFO L82 PathProgramCache]: Analyzing trace with hash -1068859872, now seen corresponding path program 1 times [2018-11-23 14:55:47,803 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:55:47,803 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:55:47,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:47,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:55:47,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:47,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:55:47,954 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-11-23 14:55:47,955 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:55:47,955 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 14:55:47,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 14:55:47,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 14:55:47,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:55:47,956 INFO L87 Difference]: Start difference. First operand 486 states and 675 transitions. Second operand 3 states. [2018-11-23 14:55:47,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:55:47,970 INFO L93 Difference]: Finished difference Result 488 states and 676 transitions. [2018-11-23 14:55:47,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 14:55:47,971 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2018-11-23 14:55:47,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:55:47,973 INFO L225 Difference]: With dead ends: 488 [2018-11-23 14:55:47,973 INFO L226 Difference]: Without dead ends: 485 [2018-11-23 14:55:47,974 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:55:47,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2018-11-23 14:55:47,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 485. [2018-11-23 14:55:47,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 485 states. [2018-11-23 14:55:47,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 673 transitions. [2018-11-23 14:55:47,995 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 673 transitions. Word has length 118 [2018-11-23 14:55:47,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:55:47,996 INFO L480 AbstractCegarLoop]: Abstraction has 485 states and 673 transitions. [2018-11-23 14:55:47,997 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 14:55:47,997 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 673 transitions. [2018-11-23 14:55:47,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-23 14:55:47,998 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:55:47,998 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:55:47,998 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:55:47,999 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:55:47,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1225067306, now seen corresponding path program 1 times [2018-11-23 14:55:47,999 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:55:47,999 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:55:48,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:48,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:55:48,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:48,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:55:48,212 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-11-23 14:55:48,213 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:55:48,213 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 14:55:48,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 14:55:48,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 14:55:48,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:55:48,213 INFO L87 Difference]: Start difference. First operand 485 states and 673 transitions. Second operand 3 states. [2018-11-23 14:55:48,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:55:48,228 INFO L93 Difference]: Finished difference Result 487 states and 674 transitions. [2018-11-23 14:55:48,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 14:55:48,228 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2018-11-23 14:55:48,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:55:48,230 INFO L225 Difference]: With dead ends: 487 [2018-11-23 14:55:48,230 INFO L226 Difference]: Without dead ends: 484 [2018-11-23 14:55:48,231 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:55:48,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2018-11-23 14:55:48,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 484. [2018-11-23 14:55:48,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2018-11-23 14:55:48,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 671 transitions. [2018-11-23 14:55:48,248 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 671 transitions. Word has length 119 [2018-11-23 14:55:48,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:55:48,248 INFO L480 AbstractCegarLoop]: Abstraction has 484 states and 671 transitions. [2018-11-23 14:55:48,248 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 14:55:48,248 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 671 transitions. [2018-11-23 14:55:48,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-23 14:55:48,250 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:55:48,250 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:55:48,251 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:55:48,251 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:55:48,251 INFO L82 PathProgramCache]: Analyzing trace with hash -677629341, now seen corresponding path program 1 times [2018-11-23 14:55:48,251 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:55:48,251 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:55:48,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:48,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:55:48,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:55:48,410 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-11-23 14:55:48,411 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:55:48,411 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 14:55:48,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 14:55:48,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 14:55:48,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:55:48,411 INFO L87 Difference]: Start difference. First operand 484 states and 671 transitions. Second operand 3 states. [2018-11-23 14:55:48,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:55:48,450 INFO L93 Difference]: Finished difference Result 1354 states and 1921 transitions. [2018-11-23 14:55:48,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 14:55:48,450 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2018-11-23 14:55:48,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:55:48,455 INFO L225 Difference]: With dead ends: 1354 [2018-11-23 14:55:48,455 INFO L226 Difference]: Without dead ends: 894 [2018-11-23 14:55:48,457 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:55:48,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2018-11-23 14:55:48,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 885. [2018-11-23 14:55:48,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 885 states. [2018-11-23 14:55:48,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1256 transitions. [2018-11-23 14:55:48,481 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1256 transitions. Word has length 120 [2018-11-23 14:55:48,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:55:48,481 INFO L480 AbstractCegarLoop]: Abstraction has 885 states and 1256 transitions. [2018-11-23 14:55:48,481 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 14:55:48,481 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1256 transitions. [2018-11-23 14:55:48,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-23 14:55:48,483 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:55:48,483 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:55:48,484 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:55:48,484 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:55:48,484 INFO L82 PathProgramCache]: Analyzing trace with hash 873202862, now seen corresponding path program 1 times [2018-11-23 14:55:48,484 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:55:48,484 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:55:48,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:48,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:55:48,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:48,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:55:48,591 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-11-23 14:55:48,591 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:55:48,591 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 14:55:48,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 14:55:48,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 14:55:48,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:55:48,592 INFO L87 Difference]: Start difference. First operand 885 states and 1256 transitions. Second operand 3 states. [2018-11-23 14:55:48,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:55:48,651 INFO L93 Difference]: Finished difference Result 1735 states and 2478 transitions. [2018-11-23 14:55:48,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 14:55:48,652 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2018-11-23 14:55:48,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:55:48,655 INFO L225 Difference]: With dead ends: 1735 [2018-11-23 14:55:48,655 INFO L226 Difference]: Without dead ends: 887 [2018-11-23 14:55:48,656 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:55:48,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2018-11-23 14:55:48,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 882. [2018-11-23 14:55:48,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 882 states. [2018-11-23 14:55:48,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1247 transitions. [2018-11-23 14:55:48,678 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1247 transitions. Word has length 152 [2018-11-23 14:55:48,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:55:48,679 INFO L480 AbstractCegarLoop]: Abstraction has 882 states and 1247 transitions. [2018-11-23 14:55:48,679 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 14:55:48,679 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1247 transitions. [2018-11-23 14:55:48,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-23 14:55:48,681 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:55:48,681 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:55:48,681 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:55:48,681 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:55:48,681 INFO L82 PathProgramCache]: Analyzing trace with hash 483427623, now seen corresponding path program 1 times [2018-11-23 14:55:48,681 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:55:48,682 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:55:48,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:48,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:55:48,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:48,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:55:48,838 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-11-23 14:55:48,839 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:55:48,839 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 14:55:48,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 14:55:48,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 14:55:48,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-11-23 14:55:48,840 INFO L87 Difference]: Start difference. First operand 882 states and 1247 transitions. Second operand 10 states. [2018-11-23 14:55:48,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:55:48,912 INFO L93 Difference]: Finished difference Result 1738 states and 2460 transitions. [2018-11-23 14:55:48,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 14:55:48,912 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 157 [2018-11-23 14:55:48,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:55:48,915 INFO L225 Difference]: With dead ends: 1738 [2018-11-23 14:55:48,915 INFO L226 Difference]: Without dead ends: 893 [2018-11-23 14:55:48,917 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2018-11-23 14:55:48,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2018-11-23 14:55:48,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 889. [2018-11-23 14:55:48,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 889 states. [2018-11-23 14:55:48,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 889 states and 1246 transitions. [2018-11-23 14:55:48,937 INFO L78 Accepts]: Start accepts. Automaton has 889 states and 1246 transitions. Word has length 157 [2018-11-23 14:55:48,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:55:48,938 INFO L480 AbstractCegarLoop]: Abstraction has 889 states and 1246 transitions. [2018-11-23 14:55:48,938 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 14:55:48,938 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1246 transitions. [2018-11-23 14:55:48,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-23 14:55:48,940 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:55:48,940 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:55:48,940 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:55:48,941 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:55:48,941 INFO L82 PathProgramCache]: Analyzing trace with hash -723211968, now seen corresponding path program 1 times [2018-11-23 14:55:48,941 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:55:48,941 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:55:48,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:48,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:55:48,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:55:48,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:55:49,074 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-11-23 14:55:49,074 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:55:49,075 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 14:55:49,075 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 14:55:49,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 14:55:49,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 14:55:49,075 INFO L87 Difference]: Start difference. First operand 889 states and 1246 transitions. Second operand 7 states. [2018-11-23 14:55:49,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:55:49,102 INFO L93 Difference]: Finished difference Result 893 states and 1250 transitions. [2018-11-23 14:55:49,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 14:55:49,103 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 169 [2018-11-23 14:55:49,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:55:49,103 INFO L225 Difference]: With dead ends: 893 [2018-11-23 14:55:49,103 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 14:55:49,105 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 14:55:49,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 14:55:49,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 14:55:49,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 14:55:49,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 14:55:49,106 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 169 [2018-11-23 14:55:49,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:55:49,106 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 14:55:49,106 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 14:55:49,106 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 14:55:49,106 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 14:55:49,110 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 14:55:50,386 INFO L444 ceAbstractionStarter]: At program point L7006(line 7006) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-23 14:55:50,386 INFO L448 ceAbstractionStarter]: For program point L7005-1(lines 7005 7009) no Hoare annotation was computed. [2018-11-23 14:55:50,386 INFO L448 ceAbstractionStarter]: For program point L7005(lines 7005 7009) no Hoare annotation was computed. [2018-11-23 14:55:50,386 INFO L448 ceAbstractionStarter]: For program point ldv_mutex_lock_udevFINAL(lines 7000 7013) no Hoare annotation was computed. [2018-11-23 14:55:50,386 INFO L444 ceAbstractionStarter]: At program point ldv_mutex_lock_udevENTRY(lines 7000 7013) the Hoare annotation is: (or (= 1 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-23 14:55:50,386 INFO L448 ceAbstractionStarter]: For program point ldv_mutex_lock_udevEXIT(lines 7000 7013) no Hoare annotation was computed. [2018-11-23 14:55:50,387 INFO L448 ceAbstractionStarter]: For program point ldv_mutex_unlock_udevEXIT(lines 7070 7083) no Hoare annotation was computed. [2018-11-23 14:55:50,387 INFO L448 ceAbstractionStarter]: For program point L7075-1(lines 7075 7079) no Hoare annotation was computed. [2018-11-23 14:55:50,387 INFO L448 ceAbstractionStarter]: For program point L7075(lines 7075 7079) no Hoare annotation was computed. [2018-11-23 14:55:50,387 INFO L444 ceAbstractionStarter]: At program point L7076(line 7076) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 2 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-23 14:55:50,387 INFO L444 ceAbstractionStarter]: At program point ldv_mutex_unlock_udevENTRY(lines 7070 7083) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 2 |old(~ldv_mutex_udev~0)|)) (= 2 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-23 14:55:50,387 INFO L448 ceAbstractionStarter]: For program point ldv_mutex_unlock_udevFINAL(lines 7070 7083) no Hoare annotation was computed. [2018-11-23 14:55:50,387 INFO L451 ceAbstractionStarter]: At program point ldv_undef_intENTRY(lines 5772 5780) the Hoare annotation is: true [2018-11-23 14:55:50,387 INFO L448 ceAbstractionStarter]: For program point ldv_undef_intFINAL(lines 5772 5780) no Hoare annotation was computed. [2018-11-23 14:55:50,387 INFO L448 ceAbstractionStarter]: For program point ldv_undef_intEXIT(lines 5772 5780) no Hoare annotation was computed. [2018-11-23 14:55:50,387 INFO L448 ceAbstractionStarter]: For program point L6179-2(lines 6177 6195) no Hoare annotation was computed. [2018-11-23 14:55:50,387 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 6000 6276) no Hoare annotation was computed. [2018-11-23 14:55:50,387 INFO L448 ceAbstractionStarter]: For program point L6163(line 6163) no Hoare annotation was computed. [2018-11-23 14:55:50,388 INFO L444 ceAbstractionStarter]: At program point L6031(line 6031) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-23 14:55:50,388 INFO L448 ceAbstractionStarter]: For program point L6031-1(line 6031) no Hoare annotation was computed. [2018-11-23 14:55:50,388 INFO L448 ceAbstractionStarter]: For program point L6097(lines 6097 6102) no Hoare annotation was computed. [2018-11-23 14:55:50,388 INFO L444 ceAbstractionStarter]: At program point L6213(line 6213) the Hoare annotation is: (or (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_retval_3~0 0)) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-23 14:55:50,388 INFO L448 ceAbstractionStarter]: For program point L6213-1(line 6213) no Hoare annotation was computed. [2018-11-23 14:55:50,388 INFO L448 ceAbstractionStarter]: For program point L6230(lines 6230 6241) no Hoare annotation was computed. [2018-11-23 14:55:50,388 INFO L448 ceAbstractionStarter]: For program point L6131(line 6131) no Hoare annotation was computed. [2018-11-23 14:55:50,388 INFO L448 ceAbstractionStarter]: For program point L6164(lines 6164 6205) no Hoare annotation was computed. [2018-11-23 14:55:50,388 INFO L448 ceAbstractionStarter]: For program point L6247(line 6247) no Hoare annotation was computed. [2018-11-23 14:55:50,388 INFO L448 ceAbstractionStarter]: For program point L6082(line 6082) no Hoare annotation was computed. [2018-11-23 14:55:50,388 INFO L448 ceAbstractionStarter]: For program point L6049(lines 6049 6269) no Hoare annotation was computed. [2018-11-23 14:55:50,388 INFO L448 ceAbstractionStarter]: For program point L6231(line 6231) no Hoare annotation was computed. [2018-11-23 14:55:50,388 INFO L448 ceAbstractionStarter]: For program point L6132(lines 6132 6141) no Hoare annotation was computed. [2018-11-23 14:55:50,393 INFO L444 ceAbstractionStarter]: At program point L6033(line 6033) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-23 14:55:50,393 INFO L448 ceAbstractionStarter]: For program point L6033-1(line 6033) no Hoare annotation was computed. [2018-11-23 14:55:50,393 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 6000 6276) no Hoare annotation was computed. [2018-11-23 14:55:50,393 INFO L448 ceAbstractionStarter]: For program point L6248(lines 6248 6265) no Hoare annotation was computed. [2018-11-23 14:55:50,393 INFO L451 ceAbstractionStarter]: At program point L6083(line 6083) the Hoare annotation is: true [2018-11-23 14:55:50,393 INFO L448 ceAbstractionStarter]: For program point L6050(line 6050) no Hoare annotation was computed. [2018-11-23 14:55:50,393 INFO L448 ceAbstractionStarter]: For program point L6199(line 6199) no Hoare annotation was computed. [2018-11-23 14:55:50,393 INFO L448 ceAbstractionStarter]: For program point L6166(lines 6166 6201) no Hoare annotation was computed. [2018-11-23 14:55:50,394 INFO L448 ceAbstractionStarter]: For program point L6232(lines 6232 6237) no Hoare annotation was computed. [2018-11-23 14:55:50,394 INFO L448 ceAbstractionStarter]: For program point L6051(lines 6051 6068) no Hoare annotation was computed. [2018-11-23 14:55:50,394 INFO L448 ceAbstractionStarter]: For program point L6167(line 6167) no Hoare annotation was computed. [2018-11-23 14:55:50,394 INFO L448 ceAbstractionStarter]: For program point L6134(lines 6134 6138) no Hoare annotation was computed. [2018-11-23 14:55:50,394 INFO L444 ceAbstractionStarter]: At program point L6233(line 6233) the Hoare annotation is: (or (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_retval_3~0 0)) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-23 14:55:50,394 INFO L451 ceAbstractionStarter]: At program point L6200(line 6200) the Hoare annotation is: true [2018-11-23 14:55:50,394 INFO L448 ceAbstractionStarter]: For program point L6233-1(line 6233) no Hoare annotation was computed. [2018-11-23 14:55:50,394 INFO L444 ceAbstractionStarter]: At program point L6035(line 6035) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-23 14:55:50,394 INFO L448 ceAbstractionStarter]: For program point L6035-1(line 6035) no Hoare annotation was computed. [2018-11-23 14:55:50,394 INFO L448 ceAbstractionStarter]: For program point L6250(lines 6250 6261) no Hoare annotation was computed. [2018-11-23 14:55:50,394 INFO L448 ceAbstractionStarter]: For program point L6267(line 6267) no Hoare annotation was computed. [2018-11-23 14:55:50,394 INFO L448 ceAbstractionStarter]: For program point L6168(lines 6168 6174) no Hoare annotation was computed. [2018-11-23 14:55:50,394 INFO L448 ceAbstractionStarter]: For program point L6251(line 6251) no Hoare annotation was computed. [2018-11-23 14:55:50,395 INFO L448 ceAbstractionStarter]: For program point L6053(lines 6053 6064) no Hoare annotation was computed. [2018-11-23 14:55:50,395 INFO L451 ceAbstractionStarter]: At program point L6268(line 6268) the Hoare annotation is: true [2018-11-23 14:55:50,395 INFO L448 ceAbstractionStarter]: For program point L6070(line 6070) no Hoare annotation was computed. [2018-11-23 14:55:50,395 INFO L444 ceAbstractionStarter]: At program point L6169(line 6169) the Hoare annotation is: (or (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_retval_3~0 0)) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-23 14:55:50,395 INFO L448 ceAbstractionStarter]: For program point L6169-1(line 6169) no Hoare annotation was computed. [2018-11-23 14:55:50,395 INFO L448 ceAbstractionStarter]: For program point L6219(line 6219) no Hoare annotation was computed. [2018-11-23 14:55:50,395 INFO L448 ceAbstractionStarter]: For program point L6252(lines 6252 6257) no Hoare annotation was computed. [2018-11-23 14:55:50,395 INFO L448 ceAbstractionStarter]: For program point L6054(line 6054) no Hoare annotation was computed. [2018-11-23 14:55:50,395 INFO L448 ceAbstractionStarter]: For program point L6071(lines 6071 6088) no Hoare annotation was computed. [2018-11-23 14:55:50,395 INFO L444 ceAbstractionStarter]: At program point L6038(line 6038) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-23 14:55:50,395 INFO L448 ceAbstractionStarter]: For program point L6038-1(line 6038) no Hoare annotation was computed. [2018-11-23 14:55:50,395 INFO L444 ceAbstractionStarter]: At program point L6253(line 6253) the Hoare annotation is: (or (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_retval_3~0 0)) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-23 14:55:50,396 INFO L451 ceAbstractionStarter]: At program point L6220(line 6220) the Hoare annotation is: true [2018-11-23 14:55:50,396 INFO L448 ceAbstractionStarter]: For program point L6253-1(line 6253) no Hoare annotation was computed. [2018-11-23 14:55:50,396 INFO L448 ceAbstractionStarter]: For program point L6055(lines 6055 6060) no Hoare annotation was computed. [2018-11-23 14:55:50,396 INFO L444 ceAbstractionStarter]: At program point L6270(lines 6024 6275) the Hoare annotation is: (or (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_retval_3~0 0)) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-23 14:55:50,396 INFO L448 ceAbstractionStarter]: For program point L6155(line 6155) no Hoare annotation was computed. [2018-11-23 14:55:50,397 INFO L448 ceAbstractionStarter]: For program point L6056-1(line 6056) no Hoare annotation was computed. [2018-11-23 14:55:50,397 INFO L444 ceAbstractionStarter]: At program point L6056(line 6056) the Hoare annotation is: (or (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_retval_3~0 0)) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-23 14:55:50,397 INFO L448 ceAbstractionStarter]: For program point L6073(lines 6073 6084) no Hoare annotation was computed. [2018-11-23 14:55:50,397 INFO L448 ceAbstractionStarter]: For program point L6123(line 6123) no Hoare annotation was computed. [2018-11-23 14:55:50,397 INFO L448 ceAbstractionStarter]: For program point L6090(line 6090) no Hoare annotation was computed. [2018-11-23 14:55:50,397 INFO L451 ceAbstractionStarter]: At program point L6156(line 6156) the Hoare annotation is: true [2018-11-23 14:55:50,397 INFO L448 ceAbstractionStarter]: For program point L6239(line 6239) no Hoare annotation was computed. [2018-11-23 14:55:50,397 INFO L448 ceAbstractionStarter]: For program point L6107(line 6107) no Hoare annotation was computed. [2018-11-23 14:55:50,397 INFO L448 ceAbstractionStarter]: For program point L6074(line 6074) no Hoare annotation was computed. [2018-11-23 14:55:50,397 INFO L448 ceAbstractionStarter]: For program point L6091(lines 6091 6161) no Hoare annotation was computed. [2018-11-23 14:55:50,397 INFO L448 ceAbstractionStarter]: For program point L6124(lines 6124 6129) no Hoare annotation was computed. [2018-11-23 14:55:50,398 INFO L444 ceAbstractionStarter]: At program point L6025(line 6025) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-23 14:55:50,398 INFO L448 ceAbstractionStarter]: For program point L6025-1(line 6025) no Hoare annotation was computed. [2018-11-23 14:55:50,398 INFO L448 ceAbstractionStarter]: For program point L6207(line 6207) no Hoare annotation was computed. [2018-11-23 14:55:50,398 INFO L448 ceAbstractionStarter]: For program point L6273(line 6273) no Hoare annotation was computed. [2018-11-23 14:55:50,398 INFO L451 ceAbstractionStarter]: At program point L6240(line 6240) the Hoare annotation is: true [2018-11-23 14:55:50,398 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 6000 6276) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-23 14:55:50,398 INFO L448 ceAbstractionStarter]: For program point L6075(lines 6075 6080) no Hoare annotation was computed. [2018-11-23 14:55:50,398 INFO L448 ceAbstractionStarter]: For program point L6108-2(lines 6093 6157) no Hoare annotation was computed. [2018-11-23 14:55:50,398 INFO L448 ceAbstractionStarter]: For program point L6108(lines 6108 6114) no Hoare annotation was computed. [2018-11-23 14:55:50,398 INFO L444 ceAbstractionStarter]: At program point L6191(lines 6024 6275) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (= 1 ~ldv_mutex_udev~0)) [2018-11-23 14:55:50,398 INFO L448 ceAbstractionStarter]: For program point L6208(lines 6208 6225) no Hoare annotation was computed. [2018-11-23 14:55:50,398 INFO L448 ceAbstractionStarter]: For program point L6076-1(line 6076) no Hoare annotation was computed. [2018-11-23 14:55:50,399 INFO L444 ceAbstractionStarter]: At program point L6076(line 6076) the Hoare annotation is: (or (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_retval_3~0 0)) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-23 14:55:50,399 INFO L444 ceAbstractionStarter]: At program point L6027(line 6027) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-23 14:55:50,399 INFO L448 ceAbstractionStarter]: For program point L6027-1(line 6027) no Hoare annotation was computed. [2018-11-23 14:55:50,399 INFO L448 ceAbstractionStarter]: For program point L6093(lines 6093 6157) no Hoare annotation was computed. [2018-11-23 14:55:50,399 INFO L448 ceAbstractionStarter]: For program point L6143(line 6143) no Hoare annotation was computed. [2018-11-23 14:55:50,399 INFO L448 ceAbstractionStarter]: For program point L6176(line 6176) no Hoare annotation was computed. [2018-11-23 14:55:50,399 INFO L448 ceAbstractionStarter]: For program point L6259(line 6259) no Hoare annotation was computed. [2018-11-23 14:55:50,399 INFO L448 ceAbstractionStarter]: For program point L6094(line 6094) no Hoare annotation was computed. [2018-11-23 14:55:50,399 INFO L448 ceAbstractionStarter]: For program point L6210(lines 6210 6221) no Hoare annotation was computed. [2018-11-23 14:55:50,399 INFO L448 ceAbstractionStarter]: For program point L6177(lines 6177 6197) no Hoare annotation was computed. [2018-11-23 14:55:50,399 INFO L448 ceAbstractionStarter]: For program point L6144(lines 6144 6153) no Hoare annotation was computed. [2018-11-23 14:55:50,399 INFO L448 ceAbstractionStarter]: For program point L6227(line 6227) no Hoare annotation was computed. [2018-11-23 14:55:50,399 INFO L451 ceAbstractionStarter]: At program point L6260(line 6260) the Hoare annotation is: true [2018-11-23 14:55:50,399 INFO L448 ceAbstractionStarter]: For program point L6095(lines 6095 6105) no Hoare annotation was computed. [2018-11-23 14:55:50,400 INFO L448 ceAbstractionStarter]: For program point L6062(line 6062) no Hoare annotation was computed. [2018-11-23 14:55:50,400 INFO L444 ceAbstractionStarter]: At program point L6029(line 6029) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-23 14:55:50,400 INFO L448 ceAbstractionStarter]: For program point L6029-1(line 6029) no Hoare annotation was computed. [2018-11-23 14:55:50,400 INFO L448 ceAbstractionStarter]: For program point L6211(line 6211) no Hoare annotation was computed. [2018-11-23 14:55:50,400 INFO L444 ceAbstractionStarter]: At program point L6178(line 6178) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_retval_3~0 0) (= 1 ~ldv_state_variable_0~0))) [2018-11-23 14:55:50,400 INFO L448 ceAbstractionStarter]: For program point L6178-1(line 6178) no Hoare annotation was computed. [2018-11-23 14:55:50,400 INFO L448 ceAbstractionStarter]: For program point L6228(lines 6228 6245) no Hoare annotation was computed. [2018-11-23 14:55:50,400 INFO L451 ceAbstractionStarter]: At program point L6063(line 6063) the Hoare annotation is: true [2018-11-23 14:55:50,400 INFO L448 ceAbstractionStarter]: For program point L6179(lines 6179 6188) no Hoare annotation was computed. [2018-11-23 14:55:50,400 INFO L448 ceAbstractionStarter]: For program point L6146(lines 6146 6150) no Hoare annotation was computed. [2018-11-23 14:55:50,400 INFO L448 ceAbstractionStarter]: For program point L6212(lines 6212 6217) no Hoare annotation was computed. [2018-11-23 14:55:50,400 INFO L444 ceAbstractionStarter]: At program point ldv_usb_unlock_device_udevENTRY(lines 7118 7126) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 2 |old(~ldv_mutex_udev~0)|)) (= 2 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-23 14:55:50,404 INFO L448 ceAbstractionStarter]: For program point ldv_usb_unlock_device_udevFINAL(lines 7118 7126) no Hoare annotation was computed. [2018-11-23 14:55:50,404 INFO L448 ceAbstractionStarter]: For program point ldv_usb_unlock_device_udevEXIT(lines 7118 7126) no Hoare annotation was computed. [2018-11-23 14:55:50,404 INFO L444 ceAbstractionStarter]: At program point L6366(line 6366) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 2 |old(~ldv_mutex_udev~0)|)) (= 2 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-23 14:55:50,404 INFO L448 ceAbstractionStarter]: For program point ldv___ldv_usb_unlock_device_13EXIT(lines 6360 6369) no Hoare annotation was computed. [2018-11-23 14:55:50,404 INFO L444 ceAbstractionStarter]: At program point ldv___ldv_usb_unlock_device_13ENTRY(lines 6360 6369) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 2 |old(~ldv_mutex_udev~0)|)) (= 2 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-23 14:55:50,404 INFO L448 ceAbstractionStarter]: For program point ldv___ldv_usb_unlock_device_13FINAL(lines 6360 6369) no Hoare annotation was computed. [2018-11-23 14:55:50,404 INFO L448 ceAbstractionStarter]: For program point ldv_errorFINAL(lines 6395 6403) no Hoare annotation was computed. [2018-11-23 14:55:50,405 INFO L451 ceAbstractionStarter]: At program point ldv_errorENTRY(lines 6395 6403) the Hoare annotation is: true [2018-11-23 14:55:50,405 INFO L448 ceAbstractionStarter]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6401) no Hoare annotation was computed. [2018-11-23 14:55:50,405 INFO L448 ceAbstractionStarter]: For program point ldv_errorEXIT(lines 6395 6403) no Hoare annotation was computed. [2018-11-23 14:55:50,405 INFO L448 ceAbstractionStarter]: For program point ldv_stopFINAL(lines 5799 5807) no Hoare annotation was computed. [2018-11-23 14:55:50,405 INFO L448 ceAbstractionStarter]: For program point ldv_stopEXIT(lines 5799 5807) no Hoare annotation was computed. [2018-11-23 14:55:50,405 INFO L451 ceAbstractionStarter]: At program point ldv_stopENTRY(lines 5799 5807) the Hoare annotation is: true [2018-11-23 14:55:50,405 INFO L451 ceAbstractionStarter]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: true [2018-11-23 14:55:50,405 INFO L448 ceAbstractionStarter]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2018-11-23 14:55:50,405 INFO L448 ceAbstractionStarter]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2018-11-23 14:55:50,405 INFO L451 ceAbstractionStarter]: At program point always_connectedENTRY(lines 5846 5853) the Hoare annotation is: true [2018-11-23 14:55:50,405 INFO L448 ceAbstractionStarter]: For program point always_connectedFINAL(lines 5846 5853) no Hoare annotation was computed. [2018-11-23 14:55:50,405 INFO L448 ceAbstractionStarter]: For program point always_connectedEXIT(lines 5846 5853) no Hoare annotation was computed. [2018-11-23 14:55:50,405 INFO L451 ceAbstractionStarter]: At program point ldv_undef_int_negativeENTRY(lines 6404 6419) the Hoare annotation is: true [2018-11-23 14:55:50,406 INFO L451 ceAbstractionStarter]: At program point L6410(line 6410) the Hoare annotation is: true [2018-11-23 14:55:50,406 INFO L448 ceAbstractionStarter]: For program point L6412-1(lines 6412 6416) no Hoare annotation was computed. [2018-11-23 14:55:50,406 INFO L448 ceAbstractionStarter]: For program point L6412(lines 6412 6416) no Hoare annotation was computed. [2018-11-23 14:55:50,406 INFO L451 ceAbstractionStarter]: At program point L6413(line 6413) the Hoare annotation is: true [2018-11-23 14:55:50,406 INFO L448 ceAbstractionStarter]: For program point ldv_undef_int_negativeFINAL(lines 6404 6419) no Hoare annotation was computed. [2018-11-23 14:55:50,406 INFO L448 ceAbstractionStarter]: For program point L6410-1(line 6410) no Hoare annotation was computed. [2018-11-23 14:55:50,406 INFO L448 ceAbstractionStarter]: For program point ldv_undef_int_negativeEXIT(lines 6404 6419) no Hoare annotation was computed. [2018-11-23 14:55:50,406 INFO L448 ceAbstractionStarter]: For program point ldv_usb_deregister_15FINAL(lines 6385 6394) no Hoare annotation was computed. [2018-11-23 14:55:50,406 INFO L448 ceAbstractionStarter]: For program point ldv_usb_deregister_15EXIT(lines 6385 6394) no Hoare annotation was computed. [2018-11-23 14:55:50,406 INFO L451 ceAbstractionStarter]: At program point ldv_usb_deregister_15ENTRY(lines 6385 6394) the Hoare annotation is: true [2018-11-23 14:55:50,406 INFO L451 ceAbstractionStarter]: At program point cdc_subset_driver_exitENTRY(lines 5974 5982) the Hoare annotation is: true [2018-11-23 14:55:50,406 INFO L448 ceAbstractionStarter]: For program point cdc_subset_driver_exitEXIT(lines 5974 5982) no Hoare annotation was computed. [2018-11-23 14:55:50,406 INFO L448 ceAbstractionStarter]: For program point cdc_subset_driver_exitFINAL(lines 5974 5982) no Hoare annotation was computed. [2018-11-23 14:55:50,406 INFO L448 ceAbstractionStarter]: For program point ldv_usb_register_driver_14FINAL(lines 6370 6384) no Hoare annotation was computed. [2018-11-23 14:55:50,407 INFO L448 ceAbstractionStarter]: For program point ldv_usb_register_driver_14EXIT(lines 6370 6384) no Hoare annotation was computed. [2018-11-23 14:55:50,407 INFO L448 ceAbstractionStarter]: For program point L6381-1(line 6381) no Hoare annotation was computed. [2018-11-23 14:55:50,407 INFO L451 ceAbstractionStarter]: At program point L6381(line 6381) the Hoare annotation is: true [2018-11-23 14:55:50,407 INFO L451 ceAbstractionStarter]: At program point ldv_usb_register_driver_14ENTRY(lines 6370 6384) the Hoare annotation is: true [2018-11-23 14:55:50,407 INFO L448 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-11-23 14:55:50,407 INFO L451 ceAbstractionStarter]: At program point L-1-1(line -1) the Hoare annotation is: true [2018-11-23 14:55:50,407 INFO L451 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-11-23 14:55:50,407 INFO L448 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-11-23 14:55:50,407 INFO L448 ceAbstractionStarter]: For program point ldv_init_zallocFINAL(lines 5751 5762) no Hoare annotation was computed. [2018-11-23 14:55:50,407 INFO L451 ceAbstractionStarter]: At program point L5757(line 5757) the Hoare annotation is: true [2018-11-23 14:55:50,407 INFO L448 ceAbstractionStarter]: For program point ldv_init_zallocEXIT(lines 5751 5762) no Hoare annotation was computed. [2018-11-23 14:55:50,407 INFO L448 ceAbstractionStarter]: For program point L5757-1(line 5757) no Hoare annotation was computed. [2018-11-23 14:55:50,407 INFO L451 ceAbstractionStarter]: At program point ldv_init_zallocENTRY(lines 5751 5762) the Hoare annotation is: true [2018-11-23 14:55:50,407 INFO L448 ceAbstractionStarter]: For program point ldv_usb_lock_device_for_reset_12FINAL(lines 6351 6359) no Hoare annotation was computed. [2018-11-23 14:55:50,408 INFO L448 ceAbstractionStarter]: For program point ldv_usb_lock_device_for_reset_12EXIT(lines 6351 6359) no Hoare annotation was computed. [2018-11-23 14:55:50,408 INFO L444 ceAbstractionStarter]: At program point ldv_usb_lock_device_for_reset_12ENTRY(lines 6351 6359) the Hoare annotation is: (or (= 1 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-23 14:55:50,408 INFO L448 ceAbstractionStarter]: For program point L6356-1(line 6356) no Hoare annotation was computed. [2018-11-23 14:55:50,408 INFO L444 ceAbstractionStarter]: At program point L6356(line 6356) the Hoare annotation is: (or (= 1 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-23 14:55:50,408 INFO L448 ceAbstractionStarter]: For program point L5970-1(line 5970) no Hoare annotation was computed. [2018-11-23 14:55:50,408 INFO L448 ceAbstractionStarter]: For program point cdc_subset_driver_initEXIT(lines 5965 5973) no Hoare annotation was computed. [2018-11-23 14:55:50,408 INFO L451 ceAbstractionStarter]: At program point cdc_subset_driver_initENTRY(lines 5965 5973) the Hoare annotation is: true [2018-11-23 14:55:50,408 INFO L448 ceAbstractionStarter]: For program point cdc_subset_driver_initFINAL(lines 5965 5973) no Hoare annotation was computed. [2018-11-23 14:55:50,408 INFO L451 ceAbstractionStarter]: At program point L5970(line 5970) the Hoare annotation is: true [2018-11-23 14:55:50,408 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 14:55:50,408 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 14:55:50,408 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 14:55:50,408 INFO L448 ceAbstractionStarter]: For program point L7137(lines 7131 7153) no Hoare annotation was computed. [2018-11-23 14:55:50,410 INFO L444 ceAbstractionStarter]: At program point L7133(line 7133) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 1 ~ldv_mutex_udev~0)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-23 14:55:50,410 INFO L444 ceAbstractionStarter]: At program point L7148(line 7148) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 1 ~ldv_mutex_udev~0)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-23 14:55:50,410 INFO L448 ceAbstractionStarter]: For program point L7142(lines 7131 7153) no Hoare annotation was computed. [2018-11-23 14:55:50,411 INFO L444 ceAbstractionStarter]: At program point L7138(line 7138) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 1 ~ldv_mutex_udev~0)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-23 14:55:50,411 INFO L448 ceAbstractionStarter]: For program point ldv_check_final_stateEXIT(lines 7127 7154) no Hoare annotation was computed. [2018-11-23 14:55:50,411 INFO L451 ceAbstractionStarter]: At program point ldv_check_final_stateENTRY(lines 7127 7154) the Hoare annotation is: true [2018-11-23 14:55:50,411 INFO L448 ceAbstractionStarter]: For program point L7132(lines 7131 7153) no Hoare annotation was computed. [2018-11-23 14:55:50,411 INFO L448 ceAbstractionStarter]: For program point L7147(lines 7127 7154) no Hoare annotation was computed. [2018-11-23 14:55:50,411 INFO L444 ceAbstractionStarter]: At program point L7143(line 7143) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 1 ~ldv_mutex_udev~0)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-23 14:55:50,411 INFO L451 ceAbstractionStarter]: At program point L5995(line 5995) the Hoare annotation is: true [2018-11-23 14:55:50,411 INFO L448 ceAbstractionStarter]: For program point L5995-1(line 5995) no Hoare annotation was computed. [2018-11-23 14:55:50,411 INFO L448 ceAbstractionStarter]: For program point ldv_usb_driver_1EXIT(lines 5990 5999) no Hoare annotation was computed. [2018-11-23 14:55:50,411 INFO L451 ceAbstractionStarter]: At program point ldv_usb_driver_1ENTRY(lines 5990 5999) the Hoare annotation is: true [2018-11-23 14:55:50,411 INFO L448 ceAbstractionStarter]: For program point ldv_usb_driver_1FINAL(lines 5990 5999) no Hoare annotation was computed. [2018-11-23 14:55:50,411 INFO L444 ceAbstractionStarter]: At program point L5870(line 5870) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (and (= m5632_recover_~r~0 0) (= 2 ~ldv_mutex_udev~0)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-23 14:55:50,412 INFO L444 ceAbstractionStarter]: At program point m5632_recoverENTRY(lines 5854 5873) the Hoare annotation is: (or (= 1 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-23 14:55:50,412 INFO L448 ceAbstractionStarter]: For program point m5632_recoverFINAL(lines 5854 5873) no Hoare annotation was computed. [2018-11-23 14:55:50,412 INFO L444 ceAbstractionStarter]: At program point L5863(line 5863) the Hoare annotation is: (or (= 1 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-23 14:55:50,412 INFO L448 ceAbstractionStarter]: For program point L5863-1(line 5863) no Hoare annotation was computed. [2018-11-23 14:55:50,412 INFO L448 ceAbstractionStarter]: For program point m5632_recoverEXIT(lines 5854 5873) no Hoare annotation was computed. [2018-11-23 14:55:50,412 INFO L448 ceAbstractionStarter]: For program point L5864(lines 5864 5868) no Hoare annotation was computed. [2018-11-23 14:55:50,412 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 14:55:50,412 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_mutex_mutex_of_device~0 1) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1)) [2018-11-23 14:55:50,412 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 14:55:50,412 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 14:55:50,412 INFO L448 ceAbstractionStarter]: For program point ldv_memsetFINAL(lines 5763 5771) no Hoare annotation was computed. [2018-11-23 14:55:50,412 INFO L448 ceAbstractionStarter]: For program point L5768-1(line 5768) no Hoare annotation was computed. [2018-11-23 14:55:50,412 INFO L451 ceAbstractionStarter]: At program point ldv_memsetENTRY(lines 5763 5771) the Hoare annotation is: true [2018-11-23 14:55:50,413 INFO L451 ceAbstractionStarter]: At program point L5768(line 5768) the Hoare annotation is: true [2018-11-23 14:55:50,413 INFO L448 ceAbstractionStarter]: For program point ldv_memsetEXIT(lines 5763 5771) no Hoare annotation was computed. [2018-11-23 14:55:50,413 INFO L448 ceAbstractionStarter]: For program point ldv_usb_lock_device_for_reset_udevEXIT(lines 7102 7117) no Hoare annotation was computed. [2018-11-23 14:55:50,413 INFO L448 ceAbstractionStarter]: For program point ldv_usb_lock_device_for_reset_udevFINAL(lines 7102 7117) no Hoare annotation was computed. [2018-11-23 14:55:50,413 INFO L444 ceAbstractionStarter]: At program point ldv_usb_lock_device_for_reset_udevENTRY(lines 7102 7117) the Hoare annotation is: (or (= 1 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-23 14:55:50,413 INFO L444 ceAbstractionStarter]: At program point L7110(line 7110) the Hoare annotation is: (or (= 1 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-23 14:55:50,413 INFO L448 ceAbstractionStarter]: For program point L7113-1(line 7113) no Hoare annotation was computed. [2018-11-23 14:55:50,413 INFO L444 ceAbstractionStarter]: At program point L7113(line 7113) the Hoare annotation is: (or (= 1 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-23 14:55:50,413 INFO L448 ceAbstractionStarter]: For program point L7108-1(line 7108) no Hoare annotation was computed. [2018-11-23 14:55:50,413 INFO L444 ceAbstractionStarter]: At program point L7108(line 7108) the Hoare annotation is: (or (= 1 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-23 14:55:50,413 INFO L448 ceAbstractionStarter]: For program point L7109(lines 7109 7115) no Hoare annotation was computed. [2018-11-23 14:55:50,413 INFO L448 ceAbstractionStarter]: For program point L7110-1(line 7110) no Hoare annotation was computed. [2018-11-23 14:55:50,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:55:50 BoogieIcfgContainer [2018-11-23 14:55:50,432 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 14:55:50,436 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 14:55:50,436 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 14:55:50,436 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 14:55:50,436 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:55:46" (3/4) ... [2018-11-23 14:55:50,439 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 14:55:50,446 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_udev [2018-11-23 14:55:50,446 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_udev [2018-11-23 14:55:50,446 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_undef_int [2018-11-23 14:55:50,446 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 14:55:50,446 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_unlock_device_udev [2018-11-23 14:55:50,446 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv___ldv_usb_unlock_device_13 [2018-11-23 14:55:50,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2018-11-23 14:55:50,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2018-11-23 14:55:50,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2018-11-23 14:55:50,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure always_connected [2018-11-23 14:55:50,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_undef_int_negative [2018-11-23 14:55:50,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_deregister_15 [2018-11-23 14:55:50,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cdc_subset_driver_exit [2018-11-23 14:55:50,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_register_driver_14 [2018-11-23 14:55:50,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2018-11-23 14:55:50,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_init_zalloc [2018-11-23 14:55:50,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_lock_device_for_reset_12 [2018-11-23 14:55:50,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cdc_subset_driver_init [2018-11-23 14:55:50,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 14:55:50,448 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_final_state [2018-11-23 14:55:50,448 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_driver_1 [2018-11-23 14:55:50,448 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure m5632_recover [2018-11-23 14:55:50,448 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_memset [2018-11-23 14:55:50,448 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_lock_device_for_reset_udev [2018-11-23 14:55:50,461 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 350 nodes and edges [2018-11-23 14:55:50,461 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 165 nodes and edges [2018-11-23 14:55:50,462 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 73 nodes and edges [2018-11-23 14:55:50,463 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2018-11-23 14:55:50,463 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2018-11-23 14:55:50,464 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-23 14:55:50,464 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 14:55:50,466 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 14:55:50,486 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == ldv_mutex_udev && ldv_retval_3 == 0) || !(1 == ldv_mutex_lock)) || !(0 == \old(ldv_state_variable_6))) || !(0 == \old(ldv_retval_3))) || !(1 == \old(ldv_mutex_udev))) || !(1 == ldv_mutex_mutex_of_device)) || !(1 == ldv_mutex_i_mutex_of_inode) [2018-11-23 14:55:50,487 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == ldv_mutex_lock) || !(0 == \old(ldv_state_variable_6))) || !(0 == \old(ldv_retval_3))) || !(1 == \old(ldv_mutex_udev))) || !(1 == ldv_mutex_mutex_of_device)) || !(1 == ldv_mutex_i_mutex_of_inode)) || 1 == ldv_mutex_udev [2018-11-23 14:55:50,535 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_139ea5a3-1e0a-4cbf-b1d9-a716a18aa955/bin-2019/uautomizer/witness.graphml [2018-11-23 14:55:50,535 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 14:55:50,535 INFO L168 Benchmark]: Toolchain (without parser) took 6356.23 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 369.6 MB). Free memory was 946.6 MB in the beginning and 1.1 GB in the end (delta: -124.6 MB). Peak memory consumption was 245.0 MB. Max. memory is 11.5 GB. [2018-11-23 14:55:50,536 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:55:50,536 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1082.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 205.0 MB). Free memory was 946.6 MB in the beginning and 1.1 GB in the end (delta: -190.5 MB). Peak memory consumption was 112.4 MB. Max. memory is 11.5 GB. [2018-11-23 14:55:50,537 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.36 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: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. [2018-11-23 14:55:50,537 INFO L168 Benchmark]: Boogie Preprocessor took 66.41 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: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2018-11-23 14:55:50,537 INFO L168 Benchmark]: RCFGBuilder took 1129.91 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 72.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -94.1 MB). Peak memory consumption was 287.6 MB. Max. memory is 11.5 GB. [2018-11-23 14:55:50,537 INFO L168 Benchmark]: TraceAbstraction took 3929.72 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 92.3 MB). Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 127.5 MB). Peak memory consumption was 469.1 MB. Max. memory is 11.5 GB. [2018-11-23 14:55:50,538 INFO L168 Benchmark]: Witness Printer took 99.34 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. [2018-11-23 14:55:50,539 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1082.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 205.0 MB). Free memory was 946.6 MB in the beginning and 1.1 GB in the end (delta: -190.5 MB). Peak memory consumption was 112.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.36 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: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 66.41 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: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1129.91 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 72.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -94.1 MB). Peak memory consumption was 287.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3929.72 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 92.3 MB). Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 127.5 MB). Peak memory consumption was 469.1 MB. Max. memory is 11.5 GB. * Witness Printer took 99.34 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6401]: 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: 6024]: Loop Invariant Derived loop invariant: (((((!(1 == ldv_mutex_lock) || !(0 == \old(ldv_state_variable_6))) || !(0 == \old(ldv_retval_3))) || !(1 == \old(ldv_mutex_udev))) || !(1 == ldv_mutex_mutex_of_device)) || !(1 == ldv_mutex_i_mutex_of_inode)) || 1 == ldv_mutex_udev - InvariantResult [Line: 5799]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6024]: Loop Invariant Derived loop invariant: ((((((1 == ldv_mutex_udev && ldv_retval_3 == 0) || !(1 == ldv_mutex_lock)) || !(0 == \old(ldv_state_variable_6))) || !(0 == \old(ldv_retval_3))) || !(1 == \old(ldv_mutex_udev))) || !(1 == ldv_mutex_mutex_of_device)) || !(1 == ldv_mutex_i_mutex_of_inode) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 219 locations, 1 error locations. SAFE Result, 3.8s OverallTime, 10 OverallIterations, 7 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 1.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 2822 SDtfs, 1715 SDslu, 4072 SDs, 0 SdLazy, 108 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=889occurred in iteration=9, traceCheckStatistics: No data available, 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: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 52 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 757 PreInvPairs, 801 NumberOfFragments, 1069 HoareAnnotationTreeSize, 757 FomulaSimplifications, 348 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 71 FomulaSimplificationsInter, 2733 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1265 NumberOfCodeBlocks, 1265 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1255 ConstructedInterpolants, 0 QuantifiedInterpolants, 211711 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 1615/1615 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...