./Ultimate.py --spec ../../sv-benchmarks/c/Systems_DeviceDriversLinux64_ReachSafety.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox_false-termination.ko_true-unreach-call.cil.out.i.pp.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b78ead56-eb4d-423f-880d-bddd7bce9ded/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b78ead56-eb4d-423f-880d-bddd7bce9ded/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b78ead56-eb4d-423f-880d-bddd7bce9ded/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b78ead56-eb4d-423f-880d-bddd7bce9ded/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox_false-termination.ko_true-unreach-call.cil.out.i.pp.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b78ead56-eb4d-423f-880d-bddd7bce9ded/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b78ead56-eb4d-423f-880d-bddd7bce9ded/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 a89a64f5289ba9e048bf8d3e685f4757a2b71072 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 07:09:19,543 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:09:19,545 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:09:19,553 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:09:19,553 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:09:19,553 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:09:19,554 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:09:19,555 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:09:19,556 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:09:19,557 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:09:19,558 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:09:19,558 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:09:19,558 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:09:19,560 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:09:19,560 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:09:19,561 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:09:19,562 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:09:19,563 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:09:19,564 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:09:19,565 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:09:19,566 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:09:19,567 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:09:19,568 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:09:19,568 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:09:19,568 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:09:19,569 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:09:19,570 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:09:19,570 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:09:19,571 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:09:19,572 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:09:19,572 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:09:19,572 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:09:19,572 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:09:19,573 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:09:19,573 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:09:19,574 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:09:19,574 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b78ead56-eb4d-423f-880d-bddd7bce9ded/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf [2018-11-10 07:09:19,583 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:09:19,584 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:09:19,584 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:09:19,584 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 07:09:19,585 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 07:09:19,585 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 07:09:19,585 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 07:09:19,585 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:09:19,586 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 07:09:19,586 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:09:19,586 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:09:19,586 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:09:19,586 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:09:19,586 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:09:19,586 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:09:19,586 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:09:19,586 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 07:09:19,587 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:09:19,587 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 07:09:19,587 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 07:09:19,587 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:09:19,587 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:09:19,587 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:09:19,587 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 07:09:19,587 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:09:19,588 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 07:09:19,588 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 07:09:19,588 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_b78ead56-eb4d-423f-880d-bddd7bce9ded/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 -> a89a64f5289ba9e048bf8d3e685f4757a2b71072 [2018-11-10 07:09:19,610 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:09:19,618 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:09:19,620 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:09:19,621 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:09:19,622 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:09:19,622 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b78ead56-eb4d-423f-880d-bddd7bce9ded/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox_false-termination.ko_true-unreach-call.cil.out.i.pp.i [2018-11-10 07:09:19,659 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b78ead56-eb4d-423f-880d-bddd7bce9ded/bin-2019/uautomizer/data/0a4f10db5/225969310efb46909c0ce360059dcac3/FLAG38bfc9862 [2018-11-10 07:09:20,105 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:09:20,105 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b78ead56-eb4d-423f-880d-bddd7bce9ded/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-pppox_false-termination.ko_true-unreach-call.cil.out.i.pp.i [2018-11-10 07:09:20,124 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b78ead56-eb4d-423f-880d-bddd7bce9ded/bin-2019/uautomizer/data/0a4f10db5/225969310efb46909c0ce360059dcac3/FLAG38bfc9862 [2018-11-10 07:09:20,137 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b78ead56-eb4d-423f-880d-bddd7bce9ded/bin-2019/uautomizer/data/0a4f10db5/225969310efb46909c0ce360059dcac3 [2018-11-10 07:09:20,140 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:09:20,141 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 07:09:20,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:09:20,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:09:20,145 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:09:20,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:09:20" (1/1) ... [2018-11-10 07:09:20,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fbb6fc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:20, skipping insertion in model container [2018-11-10 07:09:20,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:09:20" (1/1) ... [2018-11-10 07:09:20,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:09:20,213 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:09:20,719 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:09:20,738 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:09:21,016 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:09:21,042 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:09:21,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:21 WrapperNode [2018-11-10 07:09:21,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:09:21,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:09:21,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:09:21,043 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:09:21,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:21" (1/1) ... [2018-11-10 07:09:21,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:21" (1/1) ... [2018-11-10 07:09:21,067 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:21" (1/1) ... [2018-11-10 07:09:21,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:21" (1/1) ... [2018-11-10 07:09:21,081 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:21" (1/1) ... [2018-11-10 07:09:21,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:21" (1/1) ... [2018-11-10 07:09:21,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:21" (1/1) ... [2018-11-10 07:09:21,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:09:21,090 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:09:21,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:09:21,091 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:09:21,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b78ead56-eb4d-423f-880d-bddd7bce9ded/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 [2018-11-10 07:09:21,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 07:09:21,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:09:21,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2018-11-10 07:09:21,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2018-11-10 07:09:21,135 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock [2018-11-10 07:09:21,135 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_sk [2018-11-10 07:09:21,135 INFO L138 BoogieDeclarations]: Found implementation of procedure register_pppox_proto [2018-11-10 07:09:21,135 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pppox_proto [2018-11-10 07:09:21,135 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_unbind_sock [2018-11-10 07:09:21,135 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_ioctl [2018-11-10 07:09:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_create [2018-11-10 07:09:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_init [2018-11-10 07:09:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_exit [2018-11-10 07:09:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 07:09:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2018-11-10 07:09:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2018-11-10 07:09:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2018-11-10 07:09:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2018-11-10 07:09:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2018-11-10 07:09:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2018-11-10 07:09:21,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-11-10 07:09:21,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_1 [2018-11-10 07:09:21,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_2 [2018-11-10 07:09:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 07:09:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2018-11-10 07:09:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2018-11-10 07:09:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_1 [2018-11-10 07:09:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_2 [2018-11-10 07:09:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2018-11-10 07:09:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2018-11-10 07:09:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2018-11-10 07:09:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2018-11-10 07:09:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2018-11-10 07:09:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure sock_register [2018-11-10 07:09:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure sock_unregister [2018-11-10 07:09:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2018-11-10 07:09:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2018-11-10 07:09:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock_nested [2018-11-10 07:09:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock [2018-11-10 07:09:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure release_sock [2018-11-10 07:09:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_sk [2018-11-10 07:09:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure register_pppox_proto [2018-11-10 07:09:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pppox_proto [2018-11-10 07:09:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_unbind_sock [2018-11-10 07:09:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_ioctl [2018-11-10 07:09:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-10 07:09:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-10 07:09:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 07:09:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 07:09:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2018-11-10 07:09:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_create [2018-11-10 07:09:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 07:09:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2018-11-10 07:09:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_init [2018-11-10 07:09:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_exit [2018-11-10 07:09:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-10 07:09:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-10 07:09:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-10 07:09:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 07:09:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2018-11-10 07:09:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_int [2018-11-10 07:09:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 07:09:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-10 07:09:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:09:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 07:09:21,323 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 07:09:21,323 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 07:09:21,324 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 07:09:21,324 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 07:09:21,324 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 07:09:21,384 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 07:09:21,384 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 07:09:21,610 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:09:21,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:09:21 BoogieIcfgContainer [2018-11-10 07:09:21,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:09:21,611 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 07:09:21,612 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 07:09:21,614 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 07:09:21,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:09:20" (1/3) ... [2018-11-10 07:09:21,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2705e23a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:09:21, skipping insertion in model container [2018-11-10 07:09:21,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:09:21" (2/3) ... [2018-11-10 07:09:21,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2705e23a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:09:21, skipping insertion in model container [2018-11-10 07:09:21,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:09:21" (3/3) ... [2018-11-10 07:09:21,617 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-pppox_false-termination.ko_true-unreach-call.cil.out.i.pp.i [2018-11-10 07:09:21,625 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 07:09:21,632 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 07:09:21,645 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 07:09:21,671 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 07:09:21,671 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 07:09:21,671 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 07:09:21,671 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 07:09:21,672 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 07:09:21,672 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 07:09:21,672 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 07:09:21,672 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 07:09:21,672 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 07:09:21,688 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states. [2018-11-10 07:09:21,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 07:09:21,693 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:09:21,694 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:09:21,695 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:09:21,700 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:09:21,701 INFO L82 PathProgramCache]: Analyzing trace with hash -225489712, now seen corresponding path program 1 times [2018-11-10 07:09:21,702 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:09:21,703 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:09:21,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:09:21,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:09:21,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:09:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:09:21,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:09:21,883 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:09:21,883 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 07:09:21,886 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 07:09:21,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 07:09:21,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 07:09:21,895 INFO L87 Difference]: Start difference. First operand 100 states. Second operand 3 states. [2018-11-10 07:09:21,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:09:21,959 INFO L93 Difference]: Finished difference Result 232 states and 283 transitions. [2018-11-10 07:09:21,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 07:09:21,961 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-11-10 07:09:21,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:09:21,969 INFO L225 Difference]: With dead ends: 232 [2018-11-10 07:09:21,969 INFO L226 Difference]: Without dead ends: 146 [2018-11-10 07:09:21,972 INFO L605 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 [2018-11-10 07:09:21,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-11-10 07:09:22,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 143. [2018-11-10 07:09:22,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-11-10 07:09:22,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 165 transitions. [2018-11-10 07:09:22,015 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 165 transitions. Word has length 30 [2018-11-10 07:09:22,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:09:22,016 INFO L481 AbstractCegarLoop]: Abstraction has 143 states and 165 transitions. [2018-11-10 07:09:22,016 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 07:09:22,016 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 165 transitions. [2018-11-10 07:09:22,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-10 07:09:22,019 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:09:22,019 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:09:22,020 INFO L424 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:09:22,020 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:09:22,020 INFO L82 PathProgramCache]: Analyzing trace with hash -564501547, now seen corresponding path program 1 times [2018-11-10 07:09:22,020 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:09:22,021 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:09:22,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:09:22,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:09:22,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:09:22,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:09:22,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:09:22,159 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:09:22,159 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 07:09:22,161 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 07:09:22,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 07:09:22,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 07:09:22,162 INFO L87 Difference]: Start difference. First operand 143 states and 165 transitions. Second operand 7 states. [2018-11-10 07:09:22,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:09:22,203 INFO L93 Difference]: Finished difference Result 253 states and 300 transitions. [2018-11-10 07:09:22,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 07:09:22,203 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 69 [2018-11-10 07:09:22,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:09:22,205 INFO L225 Difference]: With dead ends: 253 [2018-11-10 07:09:22,205 INFO L226 Difference]: Without dead ends: 136 [2018-11-10 07:09:22,206 INFO L605 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 [2018-11-10 07:09:22,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-11-10 07:09:22,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 130. [2018-11-10 07:09:22,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-10 07:09:22,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 150 transitions. [2018-11-10 07:09:22,218 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 150 transitions. Word has length 69 [2018-11-10 07:09:22,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:09:22,219 INFO L481 AbstractCegarLoop]: Abstraction has 130 states and 150 transitions. [2018-11-10 07:09:22,219 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 07:09:22,219 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 150 transitions. [2018-11-10 07:09:22,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-10 07:09:22,221 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:09:22,221 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-10 07:09:22,221 INFO L424 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:09:22,221 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:09:22,222 INFO L82 PathProgramCache]: Analyzing trace with hash 221319677, now seen corresponding path program 1 times [2018-11-10 07:09:22,222 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:09:22,222 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:09:22,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:09:22,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:09:22,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:09:22,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:09:22,308 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:09:22,309 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:09:22,309 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 07:09:22,309 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 07:09:22,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 07:09:22,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 07:09:22,310 INFO L87 Difference]: Start difference. First operand 130 states and 150 transitions. Second operand 7 states. [2018-11-10 07:09:22,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:09:22,361 INFO L93 Difference]: Finished difference Result 204 states and 236 transitions. [2018-11-10 07:09:22,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 07:09:22,361 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 69 [2018-11-10 07:09:22,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:09:22,363 INFO L225 Difference]: With dead ends: 204 [2018-11-10 07:09:22,363 INFO L226 Difference]: Without dead ends: 133 [2018-11-10 07:09:22,364 INFO L605 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 [2018-11-10 07:09:22,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-11-10 07:09:22,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2018-11-10 07:09:22,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-11-10 07:09:22,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 152 transitions. [2018-11-10 07:09:22,375 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 152 transitions. Word has length 69 [2018-11-10 07:09:22,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:09:22,375 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 152 transitions. [2018-11-10 07:09:22,375 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 07:09:22,376 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 152 transitions. [2018-11-10 07:09:22,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 07:09:22,377 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:09:22,377 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:09:22,377 INFO L424 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:09:22,378 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:09:22,378 INFO L82 PathProgramCache]: Analyzing trace with hash 2135714027, now seen corresponding path program 1 times [2018-11-10 07:09:22,378 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:09:22,378 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:09:22,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:09:22,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:09:22,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:09:22,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:09:22,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:09:22,508 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:09:22,508 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 07:09:22,508 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 07:09:22,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 07:09:22,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-10 07:09:22,509 INFO L87 Difference]: Start difference. First operand 133 states and 152 transitions. Second operand 7 states. [2018-11-10 07:09:22,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:09:22,722 INFO L93 Difference]: Finished difference Result 218 states and 248 transitions. [2018-11-10 07:09:22,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 07:09:22,723 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 72 [2018-11-10 07:09:22,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:09:22,726 INFO L225 Difference]: With dead ends: 218 [2018-11-10 07:09:22,726 INFO L226 Difference]: Without dead ends: 215 [2018-11-10 07:09:22,727 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-11-10 07:09:22,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2018-11-10 07:09:22,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 201. [2018-11-10 07:09:22,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2018-11-10 07:09:22,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 233 transitions. [2018-11-10 07:09:22,744 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 233 transitions. Word has length 72 [2018-11-10 07:09:22,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:09:22,745 INFO L481 AbstractCegarLoop]: Abstraction has 201 states and 233 transitions. [2018-11-10 07:09:22,745 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 07:09:22,745 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 233 transitions. [2018-11-10 07:09:22,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-10 07:09:22,747 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:09:22,747 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-10 07:09:22,747 INFO L424 AbstractCegarLoop]: === Iteration 5 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:09:22,747 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:09:22,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1031081826, now seen corresponding path program 1 times [2018-11-10 07:09:22,748 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:09:22,748 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:09:22,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:09:22,751 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:09:22,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:09:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:09:23,107 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:09:23,107 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:09:23,107 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-11-10 07:09:23,108 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-10 07:09:23,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-10 07:09:23,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2018-11-10 07:09:23,108 INFO L87 Difference]: Start difference. First operand 201 states and 233 transitions. Second operand 16 states. [2018-11-10 07:09:23,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:09:23,627 INFO L93 Difference]: Finished difference Result 325 states and 368 transitions. [2018-11-10 07:09:23,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-10 07:09:23,627 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 88 [2018-11-10 07:09:23,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:09:23,628 INFO L225 Difference]: With dead ends: 325 [2018-11-10 07:09:23,628 INFO L226 Difference]: Without dead ends: 175 [2018-11-10 07:09:23,629 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2018-11-10 07:09:23,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2018-11-10 07:09:23,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 155. [2018-11-10 07:09:23,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-11-10 07:09:23,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 173 transitions. [2018-11-10 07:09:23,640 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 173 transitions. Word has length 88 [2018-11-10 07:09:23,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:09:23,640 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 173 transitions. [2018-11-10 07:09:23,640 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-10 07:09:23,640 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 173 transitions. [2018-11-10 07:09:23,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-10 07:09:23,641 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:09:23,641 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-10 07:09:23,641 INFO L424 AbstractCegarLoop]: === Iteration 6 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:09:23,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:09:23,642 INFO L82 PathProgramCache]: Analyzing trace with hash 973242918, now seen corresponding path program 1 times [2018-11-10 07:09:23,642 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:09:23,642 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:09:23,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:09:23,646 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:09:23,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:09:23,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:09:23,807 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 07:09:23,807 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:09:23,807 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 07:09:23,808 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 07:09:23,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 07:09:23,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2018-11-10 07:09:23,809 INFO L87 Difference]: Start difference. First operand 155 states and 173 transitions. Second operand 9 states. [2018-11-10 07:09:23,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:09:23,926 INFO L93 Difference]: Finished difference Result 157 states and 174 transitions. [2018-11-10 07:09:23,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 07:09:23,926 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 90 [2018-11-10 07:09:23,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:09:23,927 INFO L225 Difference]: With dead ends: 157 [2018-11-10 07:09:23,927 INFO L226 Difference]: Without dead ends: 148 [2018-11-10 07:09:23,928 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2018-11-10 07:09:23,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-11-10 07:09:23,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2018-11-10 07:09:23,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-11-10 07:09:23,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 165 transitions. [2018-11-10 07:09:23,934 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 165 transitions. Word has length 90 [2018-11-10 07:09:23,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:09:23,934 INFO L481 AbstractCegarLoop]: Abstraction has 148 states and 165 transitions. [2018-11-10 07:09:23,934 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 07:09:23,935 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 165 transitions. [2018-11-10 07:09:23,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-10 07:09:23,935 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:09:23,936 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-10 07:09:23,936 INFO L424 AbstractCegarLoop]: === Iteration 7 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:09:23,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:09:23,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1089045926, now seen corresponding path program 1 times [2018-11-10 07:09:23,936 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 07:09:23,936 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 07:09:23,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:09:23,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:09:23,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:09:23,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:09:24,043 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 07:09:24,043 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:09:24,043 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 07:09:24,044 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 07:09:24,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 07:09:24,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-10 07:09:24,044 INFO L87 Difference]: Start difference. First operand 148 states and 165 transitions. Second operand 6 states. [2018-11-10 07:09:24,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:09:24,142 INFO L93 Difference]: Finished difference Result 148 states and 165 transitions. [2018-11-10 07:09:24,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 07:09:24,143 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 126 [2018-11-10 07:09:24,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:09:24,144 INFO L225 Difference]: With dead ends: 148 [2018-11-10 07:09:24,144 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 07:09:24,145 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2018-11-10 07:09:24,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 07:09:24,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 07:09:24,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 07:09:24,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 07:09:24,145 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 126 [2018-11-10 07:09:24,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:09:24,145 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 07:09:24,145 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 07:09:24,146 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 07:09:24,146 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 07:09:24,152 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 07:09:24,490 INFO L425 ceAbstractionStarter]: For program point pppox_unbind_sockEXIT(lines 4771 4786) no Hoare annotation was computed. [2018-11-10 07:09:24,490 INFO L425 ceAbstractionStarter]: For program point pppox_unbind_sockENTRY(lines 4771 4786) no Hoare annotation was computed. [2018-11-10 07:09:24,490 INFO L425 ceAbstractionStarter]: For program point L4778(line 4778) no Hoare annotation was computed. [2018-11-10 07:09:24,490 INFO L425 ceAbstractionStarter]: For program point L4775(line 4775) no Hoare annotation was computed. [2018-11-10 07:09:24,490 INFO L425 ceAbstractionStarter]: For program point L4775-1(lines 4775 4783) no Hoare annotation was computed. [2018-11-10 07:09:24,490 INFO L425 ceAbstractionStarter]: For program point L4777(line 4777) no Hoare annotation was computed. [2018-11-10 07:09:24,490 INFO L425 ceAbstractionStarter]: For program point L4778-1(line 4778) no Hoare annotation was computed. [2018-11-10 07:09:24,490 INFO L425 ceAbstractionStarter]: For program point L4777-1(line 4777) no Hoare annotation was computed. [2018-11-10 07:09:24,490 INFO L425 ceAbstractionStarter]: For program point L4775-2(lines 4771 4786) no Hoare annotation was computed. [2018-11-10 07:09:24,490 INFO L425 ceAbstractionStarter]: For program point ldv_module_refcountFINAL(lines 5079 5085) no Hoare annotation was computed. [2018-11-10 07:09:24,490 INFO L425 ceAbstractionStarter]: For program point ldv_module_refcountENTRY(lines 5079 5085) no Hoare annotation was computed. [2018-11-10 07:09:24,491 INFO L425 ceAbstractionStarter]: For program point ldv_module_refcountEXIT(lines 5079 5085) no Hoare annotation was computed. [2018-11-10 07:09:24,491 INFO L425 ceAbstractionStarter]: For program point ldv_module_getEXIT(lines 5017 5028) no Hoare annotation was computed. [2018-11-10 07:09:24,491 INFO L425 ceAbstractionStarter]: For program point L5021-2(lines 5017 5028) no Hoare annotation was computed. [2018-11-10 07:09:24,491 INFO L425 ceAbstractionStarter]: For program point L5021(lines 5021 5025) no Hoare annotation was computed. [2018-11-10 07:09:24,491 INFO L425 ceAbstractionStarter]: For program point ldv_module_getENTRY(lines 5017 5028) no Hoare annotation was computed. [2018-11-10 07:09:24,491 INFO L425 ceAbstractionStarter]: For program point lock_sockENTRY(lines 4711 4720) no Hoare annotation was computed. [2018-11-10 07:09:24,491 INFO L425 ceAbstractionStarter]: For program point L4716(line 4716) no Hoare annotation was computed. [2018-11-10 07:09:24,491 INFO L425 ceAbstractionStarter]: For program point lock_sockFINAL(lines 4711 4720) no Hoare annotation was computed. [2018-11-10 07:09:24,491 INFO L425 ceAbstractionStarter]: For program point lock_sockEXIT(lines 4711 4720) no Hoare annotation was computed. [2018-11-10 07:09:24,491 INFO L425 ceAbstractionStarter]: For program point L4800-1(line 4800) no Hoare annotation was computed. [2018-11-10 07:09:24,491 INFO L425 ceAbstractionStarter]: For program point L4862(line 4862) no Hoare annotation was computed. [2018-11-10 07:09:24,491 INFO L425 ceAbstractionStarter]: For program point L4800(line 4800) no Hoare annotation was computed. [2018-11-10 07:09:24,491 INFO L425 ceAbstractionStarter]: For program point L4862-3(line 4862) no Hoare annotation was computed. [2018-11-10 07:09:24,491 INFO L425 ceAbstractionStarter]: For program point L4858(line 4858) no Hoare annotation was computed. [2018-11-10 07:09:24,491 INFO L425 ceAbstractionStarter]: For program point L4862-4(line 4862) no Hoare annotation was computed. [2018-11-10 07:09:24,492 INFO L425 ceAbstractionStarter]: For program point L4862-1(line 4862) no Hoare annotation was computed. [2018-11-10 07:09:24,492 INFO L425 ceAbstractionStarter]: For program point L4862-2(line 4862) no Hoare annotation was computed. [2018-11-10 07:09:24,492 INFO L425 ceAbstractionStarter]: For program point L4858-1(line 4858) no Hoare annotation was computed. [2018-11-10 07:09:24,492 INFO L425 ceAbstractionStarter]: For program point L4858-2(lines 4858 4867) no Hoare annotation was computed. [2018-11-10 07:09:24,492 INFO L425 ceAbstractionStarter]: For program point L4805(lines 4804 4871) no Hoare annotation was computed. [2018-11-10 07:09:24,492 INFO L425 ceAbstractionStarter]: For program point $Ultimate##9(lines 4826 4846) no Hoare annotation was computed. [2018-11-10 07:09:24,492 INFO L425 ceAbstractionStarter]: For program point L4855(line 4855) no Hoare annotation was computed. [2018-11-10 07:09:24,492 INFO L425 ceAbstractionStarter]: For program point L4822(lines 4822 4847) no Hoare annotation was computed. [2018-11-10 07:09:24,492 INFO L425 ceAbstractionStarter]: For program point L4855-1(line 4855) no Hoare annotation was computed. [2018-11-10 07:09:24,492 INFO L425 ceAbstractionStarter]: For program point L4818(line 4818) no Hoare annotation was computed. [2018-11-10 07:09:24,492 INFO L425 ceAbstractionStarter]: For program point pppox_ioctlFINAL(lines 4787 4878) no Hoare annotation was computed. [2018-11-10 07:09:24,492 INFO L425 ceAbstractionStarter]: For program point L4855-2(line 4855) no Hoare annotation was computed. [2018-11-10 07:09:24,492 INFO L425 ceAbstractionStarter]: For program point L4818-1(line 4818) no Hoare annotation was computed. [2018-11-10 07:09:24,492 INFO L425 ceAbstractionStarter]: For program point L4802(line 4802) no Hoare annotation was computed. [2018-11-10 07:09:24,493 INFO L425 ceAbstractionStarter]: For program point L4802-1(lines 4797 4877) no Hoare annotation was computed. [2018-11-10 07:09:24,493 INFO L425 ceAbstractionStarter]: For program point L4819(line 4819) no Hoare annotation was computed. [2018-11-10 07:09:24,493 INFO L425 ceAbstractionStarter]: For program point L4819-1(line 4819) no Hoare annotation was computed. [2018-11-10 07:09:24,493 INFO L425 ceAbstractionStarter]: For program point L4848(lines 4808 4868) no Hoare annotation was computed. [2018-11-10 07:09:24,493 INFO L425 ceAbstractionStarter]: For program point L4811(line 4811) no Hoare annotation was computed. [2018-11-10 07:09:24,493 INFO L425 ceAbstractionStarter]: For program point L4811-1(lines 4811 4815) no Hoare annotation was computed. [2018-11-10 07:09:24,493 INFO L425 ceAbstractionStarter]: For program point L4807(lines 4806 4871) no Hoare annotation was computed. [2018-11-10 07:09:24,493 INFO L425 ceAbstractionStarter]: For program point $Ultimate##10(lines 4826 4846) no Hoare annotation was computed. [2018-11-10 07:09:24,493 INFO L425 ceAbstractionStarter]: For program point pppox_ioctlEXIT(lines 4787 4878) no Hoare annotation was computed. [2018-11-10 07:09:24,493 INFO L425 ceAbstractionStarter]: For program point $Ultimate##4(lines 4808 4870) no Hoare annotation was computed. [2018-11-10 07:09:24,493 INFO L425 ceAbstractionStarter]: For program point pppox_ioctlENTRY(lines 4787 4878) no Hoare annotation was computed. [2018-11-10 07:09:24,493 INFO L425 ceAbstractionStarter]: For program point $Ultimate##3(lines 4808 4870) no Hoare annotation was computed. [2018-11-10 07:09:24,493 INFO L425 ceAbstractionStarter]: For program point L4799(line 4799) no Hoare annotation was computed. [2018-11-10 07:09:24,493 INFO L425 ceAbstractionStarter]: For program point L4799-1(line 4799) no Hoare annotation was computed. [2018-11-10 07:09:24,494 INFO L425 ceAbstractionStarter]: For program point L4874(line 4874) no Hoare annotation was computed. [2018-11-10 07:09:24,494 INFO L425 ceAbstractionStarter]: For program point L4808(lines 4808 4870) no Hoare annotation was computed. [2018-11-10 07:09:24,494 INFO L425 ceAbstractionStarter]: For program point L4959(line 4959) no Hoare annotation was computed. [2018-11-10 07:09:24,494 INFO L425 ceAbstractionStarter]: For program point L4961(lines 4961 4965) no Hoare annotation was computed. [2018-11-10 07:09:24,494 INFO L425 ceAbstractionStarter]: For program point L4992(lines 4992 4996) no Hoare annotation was computed. [2018-11-10 07:09:24,494 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 4946 5007) no Hoare annotation was computed. [2018-11-10 07:09:24,494 INFO L425 ceAbstractionStarter]: For program point L4978(line 4978) no Hoare annotation was computed. [2018-11-10 07:09:24,494 INFO L425 ceAbstractionStarter]: For program point L5003(line 5003) no Hoare annotation was computed. [2018-11-10 07:09:24,494 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 4946 5007) no Hoare annotation was computed. [2018-11-10 07:09:24,494 INFO L421 ceAbstractionStarter]: At program point L4972(lines 4971 4986) the Hoare annotation is: (or (not (= 1 |old(~ldv_module_refcounter~0)|)) (= 1 ~ldv_module_refcounter~0)) [2018-11-10 07:09:24,495 INFO L421 ceAbstractionStarter]: At program point L4999(lines 4955 5006) the Hoare annotation is: (or (= 1 ~ldv_module_refcounter~0) (not (= 1 |old(~ldv_module_refcounter~0)|))) [2018-11-10 07:09:24,495 INFO L421 ceAbstractionStarter]: At program point L4995(lines 4955 5006) the Hoare annotation is: (or (= 1 ~ldv_module_refcounter~0) (not (= 1 |old(~ldv_module_refcounter~0)|))) [2018-11-10 07:09:24,495 INFO L425 ceAbstractionStarter]: For program point $Ultimate##5(lines 4975 4985) no Hoare annotation was computed. [2018-11-10 07:09:24,495 INFO L425 ceAbstractionStarter]: For program point L4958(line 4958) no Hoare annotation was computed. [2018-11-10 07:09:24,495 INFO L425 ceAbstractionStarter]: For program point $Ultimate##6(lines 4975 4985) no Hoare annotation was computed. [2018-11-10 07:09:24,495 INFO L421 ceAbstractionStarter]: At program point L4993(lines 4955 5006) the Hoare annotation is: (or (not (= 1 |old(~ldv_module_refcounter~0)|)) (= 1 ~ldv_module_refcounter~0)) [2018-11-10 07:09:24,495 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 4946 5007) the Hoare annotation is: (or (not (= 1 |old(~ldv_module_refcounter~0)|)) (= 1 ~ldv_module_refcounter~0)) [2018-11-10 07:09:24,495 INFO L421 ceAbstractionStarter]: At program point L4987(lines 4955 5006) the Hoare annotation is: (or (not (= 1 |old(~ldv_module_refcounter~0)|)) (= 1 ~ldv_module_refcounter~0)) [2018-11-10 07:09:24,495 INFO L421 ceAbstractionStarter]: At program point L4958-1(line 4958) the Hoare annotation is: (or (not (= 1 |old(~ldv_module_refcounter~0)|)) (= 1 ~ldv_module_refcounter~0)) [2018-11-10 07:09:24,495 INFO L425 ceAbstractionStarter]: For program point L4971(lines 4971 4986) no Hoare annotation was computed. [2018-11-10 07:09:24,495 INFO L421 ceAbstractionStarter]: At program point ldv_try_module_getENTRY(lines 5029 5048) the Hoare annotation is: (or (not (= 1 |old(~ldv_module_refcounter~0)|)) (= 1 ~ldv_module_refcounter~0)) [2018-11-10 07:09:24,496 INFO L425 ceAbstractionStarter]: For program point L5035(line 5035) no Hoare annotation was computed. [2018-11-10 07:09:24,496 INFO L425 ceAbstractionStarter]: For program point L5035-1(line 5035) no Hoare annotation was computed. [2018-11-10 07:09:24,496 INFO L425 ceAbstractionStarter]: For program point L5037(lines 5037 5042) no Hoare annotation was computed. [2018-11-10 07:09:24,496 INFO L425 ceAbstractionStarter]: For program point L5033(lines 5033 5045) no Hoare annotation was computed. [2018-11-10 07:09:24,496 INFO L425 ceAbstractionStarter]: For program point ldv_try_module_getFINAL(lines 5029 5048) no Hoare annotation was computed. [2018-11-10 07:09:24,496 INFO L425 ceAbstractionStarter]: For program point ldv_try_module_getEXIT(lines 5029 5048) no Hoare annotation was computed. [2018-11-10 07:09:24,496 INFO L425 ceAbstractionStarter]: For program point ##fun~$Pointer$~X~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2018-11-10 07:09:24,496 INFO L425 ceAbstractionStarter]: For program point ##fun~$Pointer$~X~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2018-11-10 07:09:24,496 INFO L425 ceAbstractionStarter]: For program point ##fun~$Pointer$~X~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2018-11-10 07:09:24,496 INFO L425 ceAbstractionStarter]: For program point register_pppox_protoFINAL(lines 4734 4754) no Hoare annotation was computed. [2018-11-10 07:09:24,496 INFO L425 ceAbstractionStarter]: For program point L4751(line 4751) no Hoare annotation was computed. [2018-11-10 07:09:24,496 INFO L425 ceAbstractionStarter]: For program point L4751-1(line 4751) no Hoare annotation was computed. [2018-11-10 07:09:24,496 INFO L425 ceAbstractionStarter]: For program point L4746(line 4746) no Hoare annotation was computed. [2018-11-10 07:09:24,496 INFO L425 ceAbstractionStarter]: For program point register_pppox_protoEXIT(lines 4734 4754) no Hoare annotation was computed. [2018-11-10 07:09:24,496 INFO L425 ceAbstractionStarter]: For program point L4746-1(lines 4746 4750) no Hoare annotation was computed. [2018-11-10 07:09:24,497 INFO L425 ceAbstractionStarter]: For program point register_pppox_protoENTRY(lines 4734 4754) no Hoare annotation was computed. [2018-11-10 07:09:24,497 INFO L425 ceAbstractionStarter]: For program point L4738(lines 4738 4745) no Hoare annotation was computed. [2018-11-10 07:09:24,497 INFO L425 ceAbstractionStarter]: For program point L4741(lines 4741 4745) no Hoare annotation was computed. [2018-11-10 07:09:24,497 INFO L425 ceAbstractionStarter]: For program point L4927(line 4927) no Hoare annotation was computed. [2018-11-10 07:09:24,497 INFO L425 ceAbstractionStarter]: For program point L4927-1(line 4927) no Hoare annotation was computed. [2018-11-10 07:09:24,497 INFO L425 ceAbstractionStarter]: For program point pppox_initFINAL(lines 4922 4931) no Hoare annotation was computed. [2018-11-10 07:09:24,497 INFO L428 ceAbstractionStarter]: At program point pppox_initENTRY(lines 4922 4931) the Hoare annotation is: true [2018-11-10 07:09:24,497 INFO L425 ceAbstractionStarter]: For program point pppox_initEXIT(lines 4922 4931) no Hoare annotation was computed. [2018-11-10 07:09:24,497 INFO L425 ceAbstractionStarter]: For program point pppox_skEXIT(lines 4722 4728) no Hoare annotation was computed. [2018-11-10 07:09:24,497 INFO L425 ceAbstractionStarter]: For program point pppox_skENTRY(lines 4722 4728) no Hoare annotation was computed. [2018-11-10 07:09:24,497 INFO L425 ceAbstractionStarter]: For program point pppox_skFINAL(lines 4722 4728) no Hoare annotation was computed. [2018-11-10 07:09:24,497 INFO L425 ceAbstractionStarter]: For program point L4896-1(line 4896) no Hoare annotation was computed. [2018-11-10 07:09:24,497 INFO L425 ceAbstractionStarter]: For program point L4896(line 4896) no Hoare annotation was computed. [2018-11-10 07:09:24,497 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line 4921) no Hoare annotation was computed. [2018-11-10 07:09:24,498 INFO L425 ceAbstractionStarter]: For program point L4733-2(line 4733) no Hoare annotation was computed. [2018-11-10 07:09:24,498 INFO L425 ceAbstractionStarter]: For program point L4733-3(line 4733) no Hoare annotation was computed. [2018-11-10 07:09:24,498 INFO L425 ceAbstractionStarter]: For program point L4733(line 4733) no Hoare annotation was computed. [2018-11-10 07:09:24,498 INFO L425 ceAbstractionStarter]: For program point L4733-1(line 4733) no Hoare annotation was computed. [2018-11-10 07:09:24,498 INFO L425 ceAbstractionStarter]: For program point L4921-2(line 4921) no Hoare annotation was computed. [2018-11-10 07:09:24,498 INFO L425 ceAbstractionStarter]: For program point L4733-4(line 4733) no Hoare annotation was computed. [2018-11-10 07:09:24,498 INFO L425 ceAbstractionStarter]: For program point L4921(line 4921) no Hoare annotation was computed. [2018-11-10 07:09:24,498 INFO L425 ceAbstractionStarter]: For program point L4733-5(line 4733) no Hoare annotation was computed. [2018-11-10 07:09:24,498 INFO L425 ceAbstractionStarter]: For program point L4921-1(line 4921) no Hoare annotation was computed. [2018-11-10 07:09:24,498 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~ldv_module_refcounter~0)| ~ldv_module_refcounter~0) [2018-11-10 07:09:24,498 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 07:09:24,498 INFO L425 ceAbstractionStarter]: For program point L4914(line 4914) no Hoare annotation was computed. [2018-11-10 07:09:24,498 INFO L425 ceAbstractionStarter]: For program point L4885(lines 4885 4892) no Hoare annotation was computed. [2018-11-10 07:09:24,498 INFO L425 ceAbstractionStarter]: For program point L4914-3(line 4914) no Hoare annotation was computed. [2018-11-10 07:09:24,499 INFO L425 ceAbstractionStarter]: For program point L4914-1(line 4914) no Hoare annotation was computed. [2018-11-10 07:09:24,499 INFO L421 ceAbstractionStarter]: At program point L4914-2(line 4914) the Hoare annotation is: (or (and (let ((.cse4 (+ (* 8 pppox_create_~protocol) |~#pppox_protos~0.offset|))) (let ((.cse2 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) .cse4)) (.cse3 (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) .cse4) 16))) (let ((.cse0 (select (select |#memory_$Pointer$.offset| .cse2) .cse3)) (.cse1 (select (select |#memory_$Pointer$.base| .cse2) .cse3))) (<= (+ .cse0 .cse1) (+ (* 18446744073709551616 (div (+ .cse0 (+ .cse1 (- 1))) 18446744073709551616)) 18446744073709551615))))) (<= ~ldv_module_refcounter~0 2) (<= 2 ~ldv_module_refcounter~0) (= pppox_create_~tmp~2 1)) (not (= 1 |old(~ldv_module_refcounter~0)|))) [2018-11-10 07:09:24,499 INFO L425 ceAbstractionStarter]: For program point pppox_createFINAL(lines 4879 4920) no Hoare annotation was computed. [2018-11-10 07:09:24,499 INFO L425 ceAbstractionStarter]: For program point L4894(line 4894) no Hoare annotation was computed. [2018-11-10 07:09:24,499 INFO L425 ceAbstractionStarter]: For program point L4894-3(lines 4894 4900) no Hoare annotation was computed. [2018-11-10 07:09:24,499 INFO L421 ceAbstractionStarter]: At program point pppox_createENTRY(lines 4879 4920) the Hoare annotation is: (or (not (= 1 |old(~ldv_module_refcounter~0)|)) (= 1 ~ldv_module_refcounter~0)) [2018-11-10 07:09:24,499 INFO L425 ceAbstractionStarter]: For program point L4894-1(lines 4894 4900) no Hoare annotation was computed. [2018-11-10 07:09:24,499 INFO L425 ceAbstractionStarter]: For program point L4888(lines 4888 4892) no Hoare annotation was computed. [2018-11-10 07:09:24,499 INFO L425 ceAbstractionStarter]: For program point L4915(line 4915) no Hoare annotation was computed. [2018-11-10 07:09:24,500 INFO L425 ceAbstractionStarter]: For program point L4915-1(line 4915) no Hoare annotation was computed. [2018-11-10 07:09:24,500 INFO L421 ceAbstractionStarter]: At program point L4917(lines 4883 4919) the Hoare annotation is: (or (not (= 1 |old(~ldv_module_refcounter~0)|)) (= 1 ~ldv_module_refcounter~0)) [2018-11-10 07:09:24,500 INFO L421 ceAbstractionStarter]: At program point L4915-2(line 4915) the Hoare annotation is: (or (not (= 1 |old(~ldv_module_refcounter~0)|)) (and (let ((.cse4 (+ (* 8 pppox_create_~protocol) |~#pppox_protos~0.offset|))) (let ((.cse2 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) .cse4)) (.cse3 (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) .cse4) 16))) (let ((.cse0 (select (select |#memory_$Pointer$.offset| .cse2) .cse3)) (.cse1 (select (select |#memory_$Pointer$.base| .cse2) .cse3))) (<= (+ .cse0 .cse1) (+ (* 18446744073709551616 (div (+ .cse0 (+ .cse1 (- 1))) 18446744073709551616)) 18446744073709551615))))) (let ((.cse7 (+ |pppox_create_#t~mem44.offset| 16))) (let ((.cse5 (select (select |#memory_$Pointer$.offset| |pppox_create_#t~mem44.base|) .cse7)) (.cse6 (select (select |#memory_$Pointer$.base| |pppox_create_#t~mem44.base|) .cse7))) (<= (+ .cse5 .cse6) (+ (* 18446744073709551616 (div (+ .cse5 (+ .cse6 (- 1))) 18446744073709551616)) 18446744073709551615)))) (<= ~ldv_module_refcounter~0 2) (<= 2 ~ldv_module_refcounter~0) (<= (+ |pppox_create_#t~mem45.base| |pppox_create_#t~mem45.offset|) (+ (* 18446744073709551616 (div (+ |pppox_create_#t~mem45.offset| (+ |pppox_create_#t~mem45.base| (- 1))) 18446744073709551616)) 18446744073709551615)) (= pppox_create_~tmp~2 1))) [2018-11-10 07:09:24,500 INFO L425 ceAbstractionStarter]: For program point L4915-3(line 4915) no Hoare annotation was computed. [2018-11-10 07:09:24,500 INFO L425 ceAbstractionStarter]: For program point L4907(lines 4907 4911) no Hoare annotation was computed. [2018-11-10 07:09:24,501 INFO L421 ceAbstractionStarter]: At program point L4905-2(line 4905) the Hoare annotation is: (or (not (= 1 |old(~ldv_module_refcounter~0)|)) (let ((.cse3 (+ (* 8 pppox_create_~protocol) |~#pppox_protos~0.offset|))) (let ((.cse2 (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) .cse3))) (let ((.cse0 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) .cse3)) (.cse1 (+ .cse2 16))) (and (= (select (select |#memory_$Pointer$.base| .cse0) .cse1) |pppox_create_#t~mem35.base|) (<= |pppox_create_#t~mem34.offset| .cse2) (= |pppox_create_#t~mem34.base| .cse0) (= 1 ~ldv_module_refcounter~0) (= (select (select |#memory_$Pointer$.offset| .cse0) .cse1) |pppox_create_#t~mem35.offset|) (<= .cse2 |pppox_create_#t~mem34.offset|)))))) [2018-11-10 07:09:24,501 INFO L425 ceAbstractionStarter]: For program point L4905-3(line 4905) no Hoare annotation was computed. [2018-11-10 07:09:24,501 INFO L425 ceAbstractionStarter]: For program point pppox_createEXIT(lines 4879 4920) no Hoare annotation was computed. [2018-11-10 07:09:24,501 INFO L425 ceAbstractionStarter]: For program point L4905(line 4905) no Hoare annotation was computed. [2018-11-10 07:09:24,501 INFO L425 ceAbstractionStarter]: For program point L4905-1(line 4905) no Hoare annotation was computed. [2018-11-10 07:09:24,501 INFO L425 ceAbstractionStarter]: For program point L4901(lines 4901 4912) no Hoare annotation was computed. [2018-11-10 07:09:24,501 INFO L428 ceAbstractionStarter]: At program point ldv_check_final_stateENTRY(lines 5086 5099) the Hoare annotation is: true [2018-11-10 07:09:24,501 INFO L425 ceAbstractionStarter]: For program point L5090(lines 5086 5099) no Hoare annotation was computed. [2018-11-10 07:09:24,501 INFO L425 ceAbstractionStarter]: For program point ldv_check_final_stateEXIT(lines 5086 5099) no Hoare annotation was computed. [2018-11-10 07:09:24,501 INFO L421 ceAbstractionStarter]: At program point L5092(line 5092) the Hoare annotation is: (not (= 1 ~ldv_module_refcounter~0)) [2018-11-10 07:09:24,502 INFO L425 ceAbstractionStarter]: For program point ldv_try_module_get_1FINAL(lines 5100 5109) no Hoare annotation was computed. [2018-11-10 07:09:24,502 INFO L421 ceAbstractionStarter]: At program point L5105(line 5105) the Hoare annotation is: (or (not (= 1 |old(~ldv_module_refcounter~0)|)) (and (= |ldv_try_module_get_1_#in~module.base| ldv_try_module_get_1_~module.base) (= 1 ~ldv_module_refcounter~0) (= |ldv_try_module_get_1_#in~module.offset| ldv_try_module_get_1_~module.offset))) [2018-11-10 07:09:24,502 INFO L425 ceAbstractionStarter]: For program point L5105-1(line 5105) no Hoare annotation was computed. [2018-11-10 07:09:24,502 INFO L425 ceAbstractionStarter]: For program point ldv_try_module_get_1EXIT(lines 5100 5109) no Hoare annotation was computed. [2018-11-10 07:09:24,502 INFO L421 ceAbstractionStarter]: At program point ldv_try_module_get_1ENTRY(lines 5100 5109) the Hoare annotation is: (or (not (= 1 |old(~ldv_module_refcounter~0)|)) (= 1 ~ldv_module_refcounter~0)) [2018-11-10 07:09:24,502 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 07:09:24,502 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= 1 ~ldv_module_refcounter~0) [2018-11-10 07:09:24,502 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 07:09:24,502 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 07:09:24,502 INFO L425 ceAbstractionStarter]: For program point L5054(lines 5054 5060) no Hoare annotation was computed. [2018-11-10 07:09:24,502 INFO L421 ceAbstractionStarter]: At program point L5056(line 5056) the Hoare annotation is: (< |old(~ldv_module_refcounter~0)| 2) [2018-11-10 07:09:24,502 INFO L425 ceAbstractionStarter]: For program point L5053-2(lines 5049 5067) no Hoare annotation was computed. [2018-11-10 07:09:24,502 INFO L425 ceAbstractionStarter]: For program point L5053(lines 5053 5064) no Hoare annotation was computed. [2018-11-10 07:09:24,502 INFO L425 ceAbstractionStarter]: For program point L5054-1(lines 5054 5060) no Hoare annotation was computed. [2018-11-10 07:09:24,503 INFO L421 ceAbstractionStarter]: At program point ldv_module_putENTRY(lines 5049 5067) the Hoare annotation is: (or (< |old(~ldv_module_refcounter~0)| 2) (= |old(~ldv_module_refcounter~0)| ~ldv_module_refcounter~0)) [2018-11-10 07:09:24,503 INFO L425 ceAbstractionStarter]: For program point ldv_module_putEXIT(lines 5049 5067) no Hoare annotation was computed. [2018-11-10 07:09:24,503 INFO L425 ceAbstractionStarter]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intEXIT(line -1) no Hoare annotation was computed. [2018-11-10 07:09:24,503 INFO L428 ceAbstractionStarter]: At program point ##fun~$Pointer$~X~$Pointer$~TO~intENTRY(line -1) the Hoare annotation is: true [2018-11-10 07:09:24,503 INFO L425 ceAbstractionStarter]: For program point ##fun~$Pointer$~X~$Pointer$~TO~intFINAL(line -1) no Hoare annotation was computed. [2018-11-10 07:09:24,503 INFO L425 ceAbstractionStarter]: For program point ldv_module_put_and_exitEXIT(lines 5068 5078) no Hoare annotation was computed. [2018-11-10 07:09:24,503 INFO L425 ceAbstractionStarter]: For program point L5073(lines 5071 5077) no Hoare annotation was computed. [2018-11-10 07:09:24,503 INFO L425 ceAbstractionStarter]: For program point ldv_module_put_and_exitENTRY(lines 5068 5078) no Hoare annotation was computed. [2018-11-10 07:09:24,503 INFO L425 ceAbstractionStarter]: For program point ldv_module_put_and_exitFINAL(lines 5068 5078) no Hoare annotation was computed. [2018-11-10 07:09:24,503 INFO L425 ceAbstractionStarter]: For program point unregister_pppox_protoEXIT(lines 4755 4770) no Hoare annotation was computed. [2018-11-10 07:09:24,503 INFO L425 ceAbstractionStarter]: For program point unregister_pppox_protoENTRY(lines 4755 4770) no Hoare annotation was computed. [2018-11-10 07:09:24,503 INFO L425 ceAbstractionStarter]: For program point L4759(lines 4759 4767) no Hoare annotation was computed. [2018-11-10 07:09:24,503 INFO L425 ceAbstractionStarter]: For program point L4759-1(lines 4755 4770) no Hoare annotation was computed. [2018-11-10 07:09:24,503 INFO L425 ceAbstractionStarter]: For program point L4761(line 4761) no Hoare annotation was computed. [2018-11-10 07:09:24,503 INFO L425 ceAbstractionStarter]: For program point L4760(lines 4760 4764) no Hoare annotation was computed. [2018-11-10 07:09:24,504 INFO L425 ceAbstractionStarter]: For program point pppox_exitEXIT(lines 4932 4941) no Hoare annotation was computed. [2018-11-10 07:09:24,504 INFO L428 ceAbstractionStarter]: At program point pppox_exitENTRY(lines 4932 4941) the Hoare annotation is: true [2018-11-10 07:09:24,504 INFO L425 ceAbstractionStarter]: For program point pppox_exitFINAL(lines 4932 4941) no Hoare annotation was computed. [2018-11-10 07:09:24,504 INFO L428 ceAbstractionStarter]: At program point ldv_blast_assertENTRY(lines 5008 5014) the Hoare annotation is: true [2018-11-10 07:09:24,504 INFO L425 ceAbstractionStarter]: For program point ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5012) no Hoare annotation was computed. [2018-11-10 07:09:24,504 INFO L425 ceAbstractionStarter]: For program point ldv_blast_assertEXIT(lines 5008 5014) no Hoare annotation was computed. [2018-11-10 07:09:24,504 INFO L425 ceAbstractionStarter]: For program point ldv_blast_assertFINAL(lines 5008 5014) no Hoare annotation was computed. [2018-11-10 07:09:24,504 INFO L425 ceAbstractionStarter]: For program point ldv_module_put_2FINAL(lines 5110 5119) no Hoare annotation was computed. [2018-11-10 07:09:24,504 INFO L421 ceAbstractionStarter]: At program point L5115(line 5115) the Hoare annotation is: (or (and (= |old(~ldv_module_refcounter~0)| ~ldv_module_refcounter~0) (= ldv_module_put_2_~ldv_func_arg1.base |ldv_module_put_2_#in~ldv_func_arg1.base|) (= ldv_module_put_2_~ldv_func_arg1.offset |ldv_module_put_2_#in~ldv_func_arg1.offset|)) (< |old(~ldv_module_refcounter~0)| 2)) [2018-11-10 07:09:24,504 INFO L425 ceAbstractionStarter]: For program point ldv_module_put_2EXIT(lines 5110 5119) no Hoare annotation was computed. [2018-11-10 07:09:24,504 INFO L421 ceAbstractionStarter]: At program point ldv_module_put_2ENTRY(lines 5110 5119) the Hoare annotation is: (or (< |old(~ldv_module_refcounter~0)| 2) (= |old(~ldv_module_refcounter~0)| ~ldv_module_refcounter~0)) [2018-11-10 07:09:24,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 07:09:24 BoogieIcfgContainer [2018-11-10 07:09:24,513 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 07:09:24,513 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:09:24,513 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:09:24,513 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:09:24,514 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:09:21" (3/4) ... [2018-11-10 07:09:24,516 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 07:09:24,522 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure pppox_unbind_sock [2018-11-10 07:09:24,522 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_module_refcount [2018-11-10 07:09:24,522 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_module_get [2018-11-10 07:09:24,522 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lock_sock [2018-11-10 07:09:24,523 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure pppox_ioctl [2018-11-10 07:09:24,523 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 07:09:24,523 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_try_module_get [2018-11-10 07:09:24,523 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~int~X~int~TO~int [2018-11-10 07:09:24,523 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure register_pppox_proto [2018-11-10 07:09:24,523 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure pppox_init [2018-11-10 07:09:24,523 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure pppox_sk [2018-11-10 07:09:24,523 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 07:09:24,523 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure pppox_create [2018-11-10 07:09:24,523 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_final_state [2018-11-10 07:09:24,523 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_try_module_get_1 [2018-11-10 07:09:24,524 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_module_put [2018-11-10 07:09:24,524 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2018-11-10 07:09:24,524 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure unregister_pppox_proto [2018-11-10 07:09:24,524 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_module_put_and_exit [2018-11-10 07:09:24,524 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure pppox_exit [2018-11-10 07:09:24,524 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_blast_assert [2018-11-10 07:09:24,524 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_module_put_2 [2018-11-10 07:09:24,528 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2018-11-10 07:09:24,529 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 07:09:24,529 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 07:09:24,547 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: 1 == ldv_module_refcounter || !(1 == \old(ldv_module_refcounter)) [2018-11-10 07:09:24,547 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(1 == \old(ldv_module_refcounter)) || 1 == ldv_module_refcounter [2018-11-10 07:09:24,547 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(1 == \old(ldv_module_refcounter)) || 1 == ldv_module_refcounter [2018-11-10 07:09:24,547 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: 1 == ldv_module_refcounter || !(1 == \old(ldv_module_refcounter)) [2018-11-10 07:09:24,548 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(1 == \old(ldv_module_refcounter)) || 1 == ldv_module_refcounter [2018-11-10 07:09:24,548 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(1 == \old(ldv_module_refcounter)) || 1 == ldv_module_refcounter [2018-11-10 07:09:24,573 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b78ead56-eb4d-423f-880d-bddd7bce9ded/bin-2019/uautomizer/witness.graphml [2018-11-10 07:09:24,573 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:09:24,574 INFO L168 Benchmark]: Toolchain (without parser) took 4433.51 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 262.1 MB). Free memory was 954.7 MB in the beginning and 945.8 MB in the end (delta: 9.0 MB). Peak memory consumption was 271.1 MB. Max. memory is 11.5 GB. [2018-11-10 07:09:24,575 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:09:24,575 INFO L168 Benchmark]: CACSL2BoogieTranslator took 900.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.5 MB). Free memory was 952.0 MB in the beginning and 1.1 GB in the end (delta: -147.5 MB). Peak memory consumption was 131.9 MB. Max. memory is 11.5 GB. [2018-11-10 07:09:24,575 INFO L168 Benchmark]: Boogie Preprocessor took 47.38 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: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 11.5 GB. [2018-11-10 07:09:24,575 INFO L168 Benchmark]: RCFGBuilder took 519.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.6 MB). Peak memory consumption was 53.6 MB. Max. memory is 11.5 GB. [2018-11-10 07:09:24,576 INFO L168 Benchmark]: TraceAbstraction took 2901.35 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 78.6 MB). Free memory was 1.0 GB in the beginning and 951.8 MB in the end (delta: 89.3 MB). Peak memory consumption was 167.9 MB. Max. memory is 11.5 GB. [2018-11-10 07:09:24,576 INFO L168 Benchmark]: Witness Printer took 59.75 ms. Allocated memory is still 1.3 GB. Free memory was 951.8 MB in the beginning and 945.8 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 11.5 GB. [2018-11-10 07:09:24,577 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 900.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.5 MB). Free memory was 952.0 MB in the beginning and 1.1 GB in the end (delta: -147.5 MB). Peak memory consumption was 131.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.38 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: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 519.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.6 MB). Peak memory consumption was 53.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2901.35 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 78.6 MB). Free memory was 1.0 GB in the beginning and 951.8 MB in the end (delta: 89.3 MB). Peak memory consumption was 167.9 MB. Max. memory is 11.5 GB. * Witness Printer took 59.75 ms. Allocated memory is still 1.3 GB. Free memory was 951.8 MB in the beginning and 945.8 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5012]: 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: 4955]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter || !(1 == \old(ldv_module_refcounter)) - InvariantResult [Line: 4883]: Loop Invariant Derived loop invariant: !(1 == \old(ldv_module_refcounter)) || 1 == ldv_module_refcounter - InvariantResult [Line: 4955]: Loop Invariant Derived loop invariant: !(1 == \old(ldv_module_refcounter)) || 1 == ldv_module_refcounter - InvariantResult [Line: 4971]: Loop Invariant Derived loop invariant: !(1 == \old(ldv_module_refcounter)) || 1 == ldv_module_refcounter - InvariantResult [Line: 4955]: Loop Invariant Derived loop invariant: !(1 == \old(ldv_module_refcounter)) || 1 == ldv_module_refcounter - InvariantResult [Line: 4955]: Loop Invariant Derived loop invariant: 1 == ldv_module_refcounter || !(1 == \old(ldv_module_refcounter)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 182 locations, 1 error locations. SAFE Result, 2.8s OverallTime, 7 OverallIterations, 2 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 717 SDtfs, 660 SDslu, 2668 SDs, 0 SdLazy, 691 SolverSat, 164 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 37 SyntacticMatches, 3 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=201occurred in iteration=4, 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: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 43 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 28 LocationsWithAnnotation, 144 PreInvPairs, 159 NumberOfFragments, 536 HoareAnnotationTreeSize, 144 FomulaSimplifications, 329 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 28 FomulaSimplificationsInter, 361 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 544 NumberOfCodeBlocks, 544 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 537 ConstructedInterpolants, 0 QuantifiedInterpolants, 193895 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 50/50 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...