/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 13:20:12,671 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 13:20:12,673 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 13:20:12,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 13:20:12,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 13:20:12,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 13:20:12,699 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 13:20:12,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 13:20:12,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 13:20:12,712 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 13:20:12,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 13:20:12,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 13:20:12,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 13:20:12,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 13:20:12,720 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 13:20:12,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 13:20:12,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 13:20:12,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 13:20:12,730 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 13:20:12,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 13:20:12,737 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 13:20:12,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 13:20:12,741 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 13:20:12,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 13:20:12,744 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-08 13:20:12,744 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-08 13:20:12,744 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-08 13:20:12,749 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-08 13:20:12,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-08 13:20:12,751 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-08 13:20:12,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 13:20:12,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 13:20:12,752 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 13:20:12,753 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 13:20:12,754 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 13:20:12,754 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 13:20:12,759 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 13:20:12,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 13:20:12,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 13:20:12,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 13:20:12,761 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 13:20:12,763 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-07-08 13:20:12,795 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 13:20:12,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 13:20:12,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-08 13:20:12,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-08 13:20:12,798 INFO L138 SettingsManager]: * Use SBE=true [2020-07-08 13:20:12,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 13:20:12,799 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 13:20:12,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 13:20:12,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 13:20:12,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 13:20:12,800 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 13:20:12,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 13:20:12,800 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 13:20:12,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 13:20:12,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 13:20:12,800 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-08 13:20:12,801 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 13:20:12,801 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 13:20:12,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 13:20:12,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 13:20:12,803 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-08 13:20:12,803 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-08 13:20:12,803 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-08 13:20:12,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-08 13:20:12,803 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 13:20:12,804 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-08 13:20:12,804 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-08 13:20:12,804 INFO L138 SettingsManager]: * To the following directory=dump/ [2020-07-08 13:20:13,085 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 13:20:13,097 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 13:20:13,101 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 13:20:13,102 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 13:20:13,103 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 13:20:13,104 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2020-07-08 13:20:13,162 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7b27724b/1203b5014acb438781ae91c2e369b844/FLAG9cddc94cb [2020-07-08 13:20:13,863 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 13:20:13,863 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2020-07-08 13:20:13,897 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7b27724b/1203b5014acb438781ae91c2e369b844/FLAG9cddc94cb [2020-07-08 13:20:14,404 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7b27724b/1203b5014acb438781ae91c2e369b844 [2020-07-08 13:20:14,414 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 13:20:14,416 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 13:20:14,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 13:20:14,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 13:20:14,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 13:20:14,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 01:20:14" (1/1) ... [2020-07-08 13:20:14,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24430820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 01:20:14, skipping insertion in model container [2020-07-08 13:20:14,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 01:20:14" (1/1) ... [2020-07-08 13:20:14,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 13:20:14,552 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 13:20:15,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 13:20:15,508 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 13:20:15,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 13:20:15,836 INFO L208 MainTranslator]: Completed translation [2020-07-08 13:20:15,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 01:20:15 WrapperNode [2020-07-08 13:20:15,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 13:20:15,838 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 13:20:15,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 13:20:15,838 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 13:20:15,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 01:20:15" (1/1) ... [2020-07-08 13:20:15,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 01:20:15" (1/1) ... [2020-07-08 13:20:15,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 01:20:15" (1/1) ... [2020-07-08 13:20:15,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 01:20:15" (1/1) ... [2020-07-08 13:20:15,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 01:20:15" (1/1) ... [2020-07-08 13:20:15,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 01:20:15" (1/1) ... [2020-07-08 13:20:15,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 01:20:15" (1/1) ... [2020-07-08 13:20:15,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 13:20:15,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 13:20:15,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 13:20:15,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 13:20:15,972 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 01:20:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-08 13:20:16,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 13:20:16,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 13:20:16,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-07-08 13:20:16,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-07-08 13:20:16,044 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock [2020-07-08 13:20:16,044 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_sk [2020-07-08 13:20:16,045 INFO L138 BoogieDeclarations]: Found implementation of procedure register_pppox_proto [2020-07-08 13:20:16,046 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pppox_proto [2020-07-08 13:20:16,046 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_unbind_sock [2020-07-08 13:20:16,046 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_ioctl [2020-07-08 13:20:16,046 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_create [2020-07-08 13:20:16,046 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_init [2020-07-08 13:20:16,047 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_exit [2020-07-08 13:20:16,047 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 13:20:16,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2020-07-08 13:20:16,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2020-07-08 13:20:16,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2020-07-08 13:20:16,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2020-07-08 13:20:16,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2020-07-08 13:20:16,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2020-07-08 13:20:16,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-07-08 13:20:16,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_1 [2020-07-08 13:20:16,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_2 [2020-07-08 13:20:16,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2020-07-08 13:20:16,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-07-08 13:20:16,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_int [2020-07-08 13:20:16,053 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock_nested [2020-07-08 13:20:16,053 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-07-08 13:20:16,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2020-07-08 13:20:16,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2020-07-08 13:20:16,053 INFO L138 BoogieDeclarations]: Found implementation of procedure release_sock [2020-07-08 13:20:16,053 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_register [2020-07-08 13:20:16,054 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_unregister [2020-07-08 13:20:16,054 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-07-08 13:20:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 13:20:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-07-08 13:20:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2020-07-08 13:20:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_1 [2020-07-08 13:20:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_2 [2020-07-08 13:20:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2020-07-08 13:20:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2020-07-08 13:20:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2020-07-08 13:20:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2020-07-08 13:20:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2020-07-08 13:20:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure sock_register [2020-07-08 13:20:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure sock_unregister [2020-07-08 13:20:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2020-07-08 13:20:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2020-07-08 13:20:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock_nested [2020-07-08 13:20:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock [2020-07-08 13:20:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure release_sock [2020-07-08 13:20:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_sk [2020-07-08 13:20:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure register_pppox_proto [2020-07-08 13:20:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pppox_proto [2020-07-08 13:20:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_unbind_sock [2020-07-08 13:20:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_ioctl [2020-07-08 13:20:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-08 13:20:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-08 13:20:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-08 13:20:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-08 13:20:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-07-08 13:20:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_create [2020-07-08 13:20:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-08 13:20:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-07-08 13:20:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_init [2020-07-08 13:20:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_exit [2020-07-08 13:20:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-07-08 13:20:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-07-08 13:20:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-08 13:20:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 13:20:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2020-07-08 13:20:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_int [2020-07-08 13:20:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-08 13:20:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-07-08 13:20:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-08 13:20:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 13:20:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-07-08 13:20:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-08 13:20:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 13:20:16,576 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-08 13:20:16,691 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2020-07-08 13:20:16,691 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2020-07-08 13:20:16,691 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-07-08 13:20:16,692 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-07-08 13:20:16,693 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-08 13:20:16,731 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2020-07-08 13:20:16,732 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2020-07-08 13:20:16,854 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2020-07-08 13:20:17,126 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 13:20:17,127 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-08 13:20:17,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 01:20:17 BoogieIcfgContainer [2020-07-08 13:20:17,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 13:20:17,132 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 13:20:17,133 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 13:20:17,136 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 13:20:17,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 01:20:14" (1/3) ... [2020-07-08 13:20:17,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72a38c63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 01:20:17, skipping insertion in model container [2020-07-08 13:20:17,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 01:20:15" (2/3) ... [2020-07-08 13:20:17,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72a38c63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 01:20:17, skipping insertion in model container [2020-07-08 13:20:17,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 01:20:17" (3/3) ... [2020-07-08 13:20:17,140 INFO L109 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-pppox.ko.cil.out.i [2020-07-08 13:20:17,151 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-08 13:20:17,160 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 13:20:17,174 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 13:20:17,200 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 13:20:17,200 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 13:20:17,200 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-08 13:20:17,201 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 13:20:17,201 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 13:20:17,201 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 13:20:17,201 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 13:20:17,201 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 13:20:17,223 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states. [2020-07-08 13:20:17,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-08 13:20:17,230 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 13:20:17,231 INFO L422 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] [2020-07-08 13:20:17,232 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 13:20:17,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 13:20:17,239 INFO L82 PathProgramCache]: Analyzing trace with hash -1611807670, now seen corresponding path program 1 times [2020-07-08 13:20:17,249 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 13:20:17,250 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470193046] [2020-07-08 13:20:17,250 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 13:20:17,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 13:20:17,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 13:20:17,669 INFO L280 TraceCheckUtils]: 0: Hoare triple {112#(and (= |~#pppox_protos~0.offset| |old(~#pppox_protos~0.offset)|) (= ~LDV_IN_INTERRUPT~0 |old(~LDV_IN_INTERRUPT~0)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |~#pppox_protos~0.base| |old(~#pppox_protos~0.base)|) (= |~#pppox_proto_family~0.offset| |old(~#pppox_proto_family~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |old(#length)| |#length|) (= |~#pppox_proto_family~0.base| |old(~#pppox_proto_family~0.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(15);call ~#pppox_protos~0.base, ~#pppox_protos~0.offset := #Ultimate.allocOnStack(32);call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, ~#pppox_protos~0.offset, 8);call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 8 + ~#pppox_protos~0.offset, 8);call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 16 + ~#pppox_protos~0.offset, 8);call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 24 + ~#pppox_protos~0.offset, 8);call ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset := #Ultimate.allocOnStack(20);call write~init~int(24, ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset, 4);call write~init~$Pointer$(#funAddr~pppox_create.base, #funAddr~pppox_create.offset, ~#pppox_proto_family~0.base, 4 + ~#pppox_proto_family~0.offset, 8);call write~init~$Pointer$(~#__this_module~0.base, ~#__this_module~0.offset, ~#pppox_proto_family~0.base, 12 + ~#pppox_proto_family~0.offset, 8);~LDV_IN_INTERRUPT~0 := 0;~ldv_module_refcounter~0 := 1; {101#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:17,672 INFO L280 TraceCheckUtils]: 1: Hoare triple {101#(= 1 ~ldv_module_refcounter~0)} assume true; {101#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:17,674 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {101#(= 1 ~ldv_module_refcounter~0)} {96#true} #314#return; {101#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:17,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 13:20:17,724 INFO L280 TraceCheckUtils]: 0: Hoare triple {96#true} assume true; {96#true} is VALID [2020-07-08 13:20:17,725 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {96#true} {101#(= 1 ~ldv_module_refcounter~0)} #282#return; {101#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 13:20:17,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 13:20:17,814 INFO L280 TraceCheckUtils]: 0: Hoare triple {96#true} ~arg0.base, ~arg0.offset := #in~arg0.base, #in~arg0.offset;assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647;#res := #t~nondet56;havoc #t~nondet56; {96#true} is VALID [2020-07-08 13:20:17,815 INFO L280 TraceCheckUtils]: 1: Hoare triple {96#true} assume true; {96#true} is VALID [2020-07-08 13:20:17,815 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {96#true} {96#true} #308#return; {96#true} is VALID [2020-07-08 13:20:17,816 INFO L280 TraceCheckUtils]: 0: Hoare triple {96#true} havoc ~tmp~3; {96#true} is VALID [2020-07-08 13:20:17,816 INFO L263 TraceCheckUtils]: 1: Hoare triple {96#true} call #t~ret46 := sock_register(~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset); {96#true} is VALID [2020-07-08 13:20:17,817 INFO L280 TraceCheckUtils]: 2: Hoare triple {96#true} ~arg0.base, ~arg0.offset := #in~arg0.base, #in~arg0.offset;assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647;#res := #t~nondet56;havoc #t~nondet56; {96#true} is VALID [2020-07-08 13:20:17,817 INFO L280 TraceCheckUtils]: 3: Hoare triple {96#true} assume true; {96#true} is VALID [2020-07-08 13:20:17,818 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {96#true} {96#true} #308#return; {96#true} is VALID [2020-07-08 13:20:17,818 INFO L280 TraceCheckUtils]: 5: Hoare triple {96#true} assume -2147483648 <= #t~ret46 && #t~ret46 <= 2147483647;~tmp~3 := #t~ret46;havoc #t~ret46;#res := ~tmp~3; {96#true} is VALID [2020-07-08 13:20:17,819 INFO L280 TraceCheckUtils]: 6: Hoare triple {96#true} assume true; {96#true} is VALID [2020-07-08 13:20:17,822 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {96#true} {101#(= 1 ~ldv_module_refcounter~0)} #284#return; {101#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:17,825 INFO L263 TraceCheckUtils]: 0: Hoare triple {96#true} call ULTIMATE.init(); {112#(and (= |~#pppox_protos~0.offset| |old(~#pppox_protos~0.offset)|) (= ~LDV_IN_INTERRUPT~0 |old(~LDV_IN_INTERRUPT~0)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |~#pppox_protos~0.base| |old(~#pppox_protos~0.base)|) (= |~#pppox_proto_family~0.offset| |old(~#pppox_proto_family~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |old(#length)| |#length|) (= |~#pppox_proto_family~0.base| |old(~#pppox_proto_family~0.base)|))} is VALID [2020-07-08 13:20:17,829 INFO L280 TraceCheckUtils]: 1: Hoare triple {112#(and (= |~#pppox_protos~0.offset| |old(~#pppox_protos~0.offset)|) (= ~LDV_IN_INTERRUPT~0 |old(~LDV_IN_INTERRUPT~0)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |~#pppox_protos~0.base| |old(~#pppox_protos~0.base)|) (= |~#pppox_proto_family~0.offset| |old(~#pppox_proto_family~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |old(#length)| |#length|) (= |~#pppox_proto_family~0.base| |old(~#pppox_proto_family~0.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(15);call ~#pppox_protos~0.base, ~#pppox_protos~0.offset := #Ultimate.allocOnStack(32);call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, ~#pppox_protos~0.offset, 8);call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 8 + ~#pppox_protos~0.offset, 8);call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 16 + ~#pppox_protos~0.offset, 8);call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 24 + ~#pppox_protos~0.offset, 8);call ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset := #Ultimate.allocOnStack(20);call write~init~int(24, ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset, 4);call write~init~$Pointer$(#funAddr~pppox_create.base, #funAddr~pppox_create.offset, ~#pppox_proto_family~0.base, 4 + ~#pppox_proto_family~0.offset, 8);call write~init~$Pointer$(~#__this_module~0.base, ~#__this_module~0.offset, ~#pppox_proto_family~0.base, 12 + ~#pppox_proto_family~0.offset, 8);~LDV_IN_INTERRUPT~0 := 0;~ldv_module_refcounter~0 := 1; {101#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:17,830 INFO L280 TraceCheckUtils]: 2: Hoare triple {101#(= 1 ~ldv_module_refcounter~0)} assume true; {101#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:17,831 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {101#(= 1 ~ldv_module_refcounter~0)} {96#true} #314#return; {101#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:17,832 INFO L263 TraceCheckUtils]: 4: Hoare triple {101#(= 1 ~ldv_module_refcounter~0)} call #t~ret58 := main(); {101#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:17,833 INFO L280 TraceCheckUtils]: 5: Hoare triple {101#(= 1 ~ldv_module_refcounter~0)} havoc ~var_group1~0.base, ~var_group1~0.offset;havoc ~var_group2~0.base, ~var_group2~0.offset;havoc ~var_pppox_create_4_p2~0;havoc ~var_pppox_create_4_p3~0;havoc ~tmp~4;havoc ~tmp___0~1;havoc ~tmp___1~0;~LDV_IN_INTERRUPT~0 := 1; {101#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:17,834 INFO L263 TraceCheckUtils]: 6: Hoare triple {101#(= 1 ~ldv_module_refcounter~0)} call ldv_initialize(); {96#true} is VALID [2020-07-08 13:20:17,834 INFO L280 TraceCheckUtils]: 7: Hoare triple {96#true} assume true; {96#true} is VALID [2020-07-08 13:20:17,836 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {96#true} {101#(= 1 ~ldv_module_refcounter~0)} #282#return; {101#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:17,836 INFO L263 TraceCheckUtils]: 9: Hoare triple {101#(= 1 ~ldv_module_refcounter~0)} call #t~ret47 := pppox_init(); {96#true} is VALID [2020-07-08 13:20:17,836 INFO L280 TraceCheckUtils]: 10: Hoare triple {96#true} havoc ~tmp~3; {96#true} is VALID [2020-07-08 13:20:17,837 INFO L263 TraceCheckUtils]: 11: Hoare triple {96#true} call #t~ret46 := sock_register(~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset); {96#true} is VALID [2020-07-08 13:20:17,837 INFO L280 TraceCheckUtils]: 12: Hoare triple {96#true} ~arg0.base, ~arg0.offset := #in~arg0.base, #in~arg0.offset;assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647;#res := #t~nondet56;havoc #t~nondet56; {96#true} is VALID [2020-07-08 13:20:17,838 INFO L280 TraceCheckUtils]: 13: Hoare triple {96#true} assume true; {96#true} is VALID [2020-07-08 13:20:17,838 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {96#true} {96#true} #308#return; {96#true} is VALID [2020-07-08 13:20:17,838 INFO L280 TraceCheckUtils]: 15: Hoare triple {96#true} assume -2147483648 <= #t~ret46 && #t~ret46 <= 2147483647;~tmp~3 := #t~ret46;havoc #t~ret46;#res := ~tmp~3; {96#true} is VALID [2020-07-08 13:20:17,839 INFO L280 TraceCheckUtils]: 16: Hoare triple {96#true} assume true; {96#true} is VALID [2020-07-08 13:20:17,840 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {96#true} {101#(= 1 ~ldv_module_refcounter~0)} #284#return; {101#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:17,841 INFO L280 TraceCheckUtils]: 18: Hoare triple {101#(= 1 ~ldv_module_refcounter~0)} assume -2147483648 <= #t~ret47 && #t~ret47 <= 2147483647;~tmp~4 := #t~ret47;havoc #t~ret47; {101#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:17,842 INFO L280 TraceCheckUtils]: 19: Hoare triple {101#(= 1 ~ldv_module_refcounter~0)} assume 0 != ~tmp~4; {101#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:17,843 INFO L263 TraceCheckUtils]: 20: Hoare triple {101#(= 1 ~ldv_module_refcounter~0)} call ldv_check_final_state(); {101#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:17,844 INFO L280 TraceCheckUtils]: 21: Hoare triple {101#(= 1 ~ldv_module_refcounter~0)} assume 1 != ~ldv_module_refcounter~0; {97#false} is VALID [2020-07-08 13:20:17,845 INFO L263 TraceCheckUtils]: 22: Hoare triple {97#false} call ldv_blast_assert(); {97#false} is VALID [2020-07-08 13:20:17,845 INFO L280 TraceCheckUtils]: 23: Hoare triple {97#false} assume !false; {97#false} is VALID [2020-07-08 13:20:17,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 13:20:17,853 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470193046] [2020-07-08 13:20:17,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 13:20:17,854 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-08 13:20:17,855 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789353566] [2020-07-08 13:20:17,862 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-07-08 13:20:17,865 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 13:20:17,869 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-08 13:20:17,934 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 13:20:17,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-08 13:20:17,935 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 13:20:17,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-08 13:20:17,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-08 13:20:17,952 INFO L87 Difference]: Start difference. First operand 93 states. Second operand 4 states. [2020-07-08 13:20:19,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 13:20:19,794 INFO L93 Difference]: Finished difference Result 241 states and 297 transitions. [2020-07-08 13:20:19,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-08 13:20:19,795 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2020-07-08 13:20:19,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 13:20:19,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 13:20:19,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 297 transitions. [2020-07-08 13:20:19,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 13:20:19,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 297 transitions. [2020-07-08 13:20:19,845 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 297 transitions. [2020-07-08 13:20:20,450 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 297 edges. 297 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 13:20:20,495 INFO L225 Difference]: With dead ends: 241 [2020-07-08 13:20:20,496 INFO L226 Difference]: Without dead ends: 153 [2020-07-08 13:20:20,502 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-08 13:20:20,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-07-08 13:20:20,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 150. [2020-07-08 13:20:20,867 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 13:20:20,868 INFO L82 GeneralOperation]: Start isEquivalent. First operand 153 states. Second operand 150 states. [2020-07-08 13:20:20,869 INFO L74 IsIncluded]: Start isIncluded. First operand 153 states. Second operand 150 states. [2020-07-08 13:20:20,869 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 150 states. [2020-07-08 13:20:20,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 13:20:20,884 INFO L93 Difference]: Finished difference Result 153 states and 178 transitions. [2020-07-08 13:20:20,884 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 178 transitions. [2020-07-08 13:20:20,887 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 13:20:20,887 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 13:20:20,887 INFO L74 IsIncluded]: Start isIncluded. First operand 150 states. Second operand 153 states. [2020-07-08 13:20:20,887 INFO L87 Difference]: Start difference. First operand 150 states. Second operand 153 states. [2020-07-08 13:20:20,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 13:20:20,904 INFO L93 Difference]: Finished difference Result 153 states and 178 transitions. [2020-07-08 13:20:20,904 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 178 transitions. [2020-07-08 13:20:20,907 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 13:20:20,907 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 13:20:20,907 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 13:20:20,909 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 13:20:20,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-07-08 13:20:20,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 176 transitions. [2020-07-08 13:20:20,933 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 176 transitions. Word has length 24 [2020-07-08 13:20:20,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 13:20:20,933 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 176 transitions. [2020-07-08 13:20:20,934 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-08 13:20:20,934 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 176 transitions. [2020-07-08 13:20:20,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-07-08 13:20:20,938 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 13:20:20,941 INFO L422 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] [2020-07-08 13:20:20,941 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 13:20:20,941 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 13:20:20,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 13:20:20,942 INFO L82 PathProgramCache]: Analyzing trace with hash 321457227, now seen corresponding path program 1 times [2020-07-08 13:20:20,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 13:20:20,944 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941987742] [2020-07-08 13:20:20,945 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 13:20:21,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 13:20:21,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 13:20:21,228 INFO L280 TraceCheckUtils]: 0: Hoare triple {989#(and (= |~#pppox_protos~0.offset| |old(~#pppox_protos~0.offset)|) (= ~LDV_IN_INTERRUPT~0 |old(~LDV_IN_INTERRUPT~0)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |~#pppox_protos~0.base| |old(~#pppox_protos~0.base)|) (= |~#pppox_proto_family~0.offset| |old(~#pppox_proto_family~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |old(#length)| |#length|) (= |~#pppox_proto_family~0.base| |old(~#pppox_proto_family~0.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(15);call ~#pppox_protos~0.base, ~#pppox_protos~0.offset := #Ultimate.allocOnStack(32);call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, ~#pppox_protos~0.offset, 8);call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 8 + ~#pppox_protos~0.offset, 8);call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 16 + ~#pppox_protos~0.offset, 8);call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 24 + ~#pppox_protos~0.offset, 8);call ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset := #Ultimate.allocOnStack(20);call write~init~int(24, ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset, 4);call write~init~$Pointer$(#funAddr~pppox_create.base, #funAddr~pppox_create.offset, ~#pppox_proto_family~0.base, 4 + ~#pppox_proto_family~0.offset, 8);call write~init~$Pointer$(~#__this_module~0.base, ~#__this_module~0.offset, ~#pppox_proto_family~0.base, 12 + ~#pppox_proto_family~0.offset, 8);~LDV_IN_INTERRUPT~0 := 0;~ldv_module_refcounter~0 := 1; {960#true} is VALID [2020-07-08 13:20:21,228 INFO L280 TraceCheckUtils]: 1: Hoare triple {960#true} assume true; {960#true} is VALID [2020-07-08 13:20:21,229 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {960#true} {960#true} #314#return; {960#true} is VALID [2020-07-08 13:20:21,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 13:20:21,247 INFO L280 TraceCheckUtils]: 0: Hoare triple {960#true} assume true; {960#true} is VALID [2020-07-08 13:20:21,247 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {960#true} {960#true} #282#return; {960#true} is VALID [2020-07-08 13:20:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 13:20:21,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 13:20:21,275 INFO L280 TraceCheckUtils]: 0: Hoare triple {960#true} ~arg0.base, ~arg0.offset := #in~arg0.base, #in~arg0.offset;assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647;#res := #t~nondet56;havoc #t~nondet56; {960#true} is VALID [2020-07-08 13:20:21,275 INFO L280 TraceCheckUtils]: 1: Hoare triple {960#true} assume true; {960#true} is VALID [2020-07-08 13:20:21,276 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {960#true} {960#true} #308#return; {960#true} is VALID [2020-07-08 13:20:21,276 INFO L280 TraceCheckUtils]: 0: Hoare triple {960#true} havoc ~tmp~3; {960#true} is VALID [2020-07-08 13:20:21,276 INFO L263 TraceCheckUtils]: 1: Hoare triple {960#true} call #t~ret46 := sock_register(~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset); {960#true} is VALID [2020-07-08 13:20:21,277 INFO L280 TraceCheckUtils]: 2: Hoare triple {960#true} ~arg0.base, ~arg0.offset := #in~arg0.base, #in~arg0.offset;assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647;#res := #t~nondet56;havoc #t~nondet56; {960#true} is VALID [2020-07-08 13:20:21,277 INFO L280 TraceCheckUtils]: 3: Hoare triple {960#true} assume true; {960#true} is VALID [2020-07-08 13:20:21,278 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {960#true} {960#true} #308#return; {960#true} is VALID [2020-07-08 13:20:21,278 INFO L280 TraceCheckUtils]: 5: Hoare triple {960#true} assume -2147483648 <= #t~ret46 && #t~ret46 <= 2147483647;~tmp~3 := #t~ret46;havoc #t~ret46;#res := ~tmp~3; {960#true} is VALID [2020-07-08 13:20:21,284 INFO L280 TraceCheckUtils]: 6: Hoare triple {960#true} assume true; {960#true} is VALID [2020-07-08 13:20:21,284 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {960#true} {960#true} #284#return; {960#true} is VALID [2020-07-08 13:20:21,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 13:20:21,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 13:20:21,431 INFO L280 TraceCheckUtils]: 0: Hoare triple {993#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~module.base, ~module.offset := #in~module.base, #in~module.offset;havoc ~module_get_succeeded~0; {960#true} is VALID [2020-07-08 13:20:21,433 INFO L280 TraceCheckUtils]: 1: Hoare triple {960#true} assume !(0 != (~module.base + ~module.offset) % 18446744073709551616);#res := 0; {1000#(and (<= 0 |ldv_try_module_get_#res|) (<= |ldv_try_module_get_#res| 0))} is VALID [2020-07-08 13:20:21,434 INFO L280 TraceCheckUtils]: 2: Hoare triple {1000#(and (<= 0 |ldv_try_module_get_#res|) (<= |ldv_try_module_get_#res| 0))} assume true; {1000#(and (<= 0 |ldv_try_module_get_#res|) (<= |ldv_try_module_get_#res| 0))} is VALID [2020-07-08 13:20:21,436 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1000#(and (<= 0 |ldv_try_module_get_#res|) (<= |ldv_try_module_get_#res| 0))} {960#true} #312#return; {998#(and (<= 0 |ldv_try_module_get_1_#t~ret52|) (<= |ldv_try_module_get_1_#t~ret52| 0))} is VALID [2020-07-08 13:20:21,437 INFO L280 TraceCheckUtils]: 0: Hoare triple {993#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~module.base, ~module.offset := #in~module.base, #in~module.offset;havoc ~tmp~5; {960#true} is VALID [2020-07-08 13:20:21,439 INFO L263 TraceCheckUtils]: 1: Hoare triple {960#true} call #t~ret52 := ldv_try_module_get(~module.base, ~module.offset); {993#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-08 13:20:21,440 INFO L280 TraceCheckUtils]: 2: Hoare triple {993#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~module.base, ~module.offset := #in~module.base, #in~module.offset;havoc ~module_get_succeeded~0; {960#true} is VALID [2020-07-08 13:20:21,443 INFO L280 TraceCheckUtils]: 3: Hoare triple {960#true} assume !(0 != (~module.base + ~module.offset) % 18446744073709551616);#res := 0; {1000#(and (<= 0 |ldv_try_module_get_#res|) (<= |ldv_try_module_get_#res| 0))} is VALID [2020-07-08 13:20:21,445 INFO L280 TraceCheckUtils]: 4: Hoare triple {1000#(and (<= 0 |ldv_try_module_get_#res|) (<= |ldv_try_module_get_#res| 0))} assume true; {1000#(and (<= 0 |ldv_try_module_get_#res|) (<= |ldv_try_module_get_#res| 0))} is VALID [2020-07-08 13:20:21,447 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {1000#(and (<= 0 |ldv_try_module_get_#res|) (<= |ldv_try_module_get_#res| 0))} {960#true} #312#return; {998#(and (<= 0 |ldv_try_module_get_1_#t~ret52|) (<= |ldv_try_module_get_1_#t~ret52| 0))} is VALID [2020-07-08 13:20:21,448 INFO L280 TraceCheckUtils]: 6: Hoare triple {998#(and (<= 0 |ldv_try_module_get_1_#t~ret52|) (<= |ldv_try_module_get_1_#t~ret52| 0))} assume -2147483648 <= #t~ret52 && #t~ret52 <= 2147483647;~tmp~5 := #t~ret52;havoc #t~ret52;#res := ~tmp~5; {999#(and (<= |ldv_try_module_get_1_#res| 0) (<= 0 |ldv_try_module_get_1_#res|))} is VALID [2020-07-08 13:20:21,450 INFO L280 TraceCheckUtils]: 7: Hoare triple {999#(and (<= |ldv_try_module_get_1_#res| 0) (<= 0 |ldv_try_module_get_1_#res|))} assume true; {999#(and (<= |ldv_try_module_get_1_#res| 0) (<= 0 |ldv_try_module_get_1_#res|))} is VALID [2020-07-08 13:20:21,452 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {999#(and (<= |ldv_try_module_get_1_#res| 0) (<= 0 |ldv_try_module_get_1_#res|))} {960#true} #294#return; {984#(= 0 |pppox_create_#t~ret36|)} is VALID [2020-07-08 13:20:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 13:20:21,466 INFO L280 TraceCheckUtils]: 0: Hoare triple {960#true} #~39.base, #~39.offset := #in~39.base, #in~39.offset;#~40.base, #~40.offset := #in~40.base, #in~40.offset; {960#true} is VALID [2020-07-08 13:20:21,466 INFO L280 TraceCheckUtils]: 1: Hoare triple {960#true} assume true; {960#true} is VALID [2020-07-08 13:20:21,467 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {960#true} {961#false} #296#return; {961#false} is VALID [2020-07-08 13:20:21,470 INFO L263 TraceCheckUtils]: 0: Hoare triple {960#true} call ULTIMATE.init(); {989#(and (= |~#pppox_protos~0.offset| |old(~#pppox_protos~0.offset)|) (= ~LDV_IN_INTERRUPT~0 |old(~LDV_IN_INTERRUPT~0)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |~#pppox_protos~0.base| |old(~#pppox_protos~0.base)|) (= |~#pppox_proto_family~0.offset| |old(~#pppox_proto_family~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |old(#length)| |#length|) (= |~#pppox_proto_family~0.base| |old(~#pppox_proto_family~0.base)|))} is VALID [2020-07-08 13:20:21,471 INFO L280 TraceCheckUtils]: 1: Hoare triple {989#(and (= |~#pppox_protos~0.offset| |old(~#pppox_protos~0.offset)|) (= ~LDV_IN_INTERRUPT~0 |old(~LDV_IN_INTERRUPT~0)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |~#pppox_protos~0.base| |old(~#pppox_protos~0.base)|) (= |~#pppox_proto_family~0.offset| |old(~#pppox_proto_family~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |old(#length)| |#length|) (= |~#pppox_proto_family~0.base| |old(~#pppox_proto_family~0.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(15);call ~#pppox_protos~0.base, ~#pppox_protos~0.offset := #Ultimate.allocOnStack(32);call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, ~#pppox_protos~0.offset, 8);call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 8 + ~#pppox_protos~0.offset, 8);call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 16 + ~#pppox_protos~0.offset, 8);call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 24 + ~#pppox_protos~0.offset, 8);call ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset := #Ultimate.allocOnStack(20);call write~init~int(24, ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset, 4);call write~init~$Pointer$(#funAddr~pppox_create.base, #funAddr~pppox_create.offset, ~#pppox_proto_family~0.base, 4 + ~#pppox_proto_family~0.offset, 8);call write~init~$Pointer$(~#__this_module~0.base, ~#__this_module~0.offset, ~#pppox_proto_family~0.base, 12 + ~#pppox_proto_family~0.offset, 8);~LDV_IN_INTERRUPT~0 := 0;~ldv_module_refcounter~0 := 1; {960#true} is VALID [2020-07-08 13:20:21,471 INFO L280 TraceCheckUtils]: 2: Hoare triple {960#true} assume true; {960#true} is VALID [2020-07-08 13:20:21,472 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {960#true} {960#true} #314#return; {960#true} is VALID [2020-07-08 13:20:21,472 INFO L263 TraceCheckUtils]: 4: Hoare triple {960#true} call #t~ret58 := main(); {960#true} is VALID [2020-07-08 13:20:21,475 INFO L280 TraceCheckUtils]: 5: Hoare triple {960#true} havoc ~var_group1~0.base, ~var_group1~0.offset;havoc ~var_group2~0.base, ~var_group2~0.offset;havoc ~var_pppox_create_4_p2~0;havoc ~var_pppox_create_4_p3~0;havoc ~tmp~4;havoc ~tmp___0~1;havoc ~tmp___1~0;~LDV_IN_INTERRUPT~0 := 1; {960#true} is VALID [2020-07-08 13:20:21,476 INFO L263 TraceCheckUtils]: 6: Hoare triple {960#true} call ldv_initialize(); {960#true} is VALID [2020-07-08 13:20:21,476 INFO L280 TraceCheckUtils]: 7: Hoare triple {960#true} assume true; {960#true} is VALID [2020-07-08 13:20:21,477 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {960#true} {960#true} #282#return; {960#true} is VALID [2020-07-08 13:20:21,477 INFO L263 TraceCheckUtils]: 9: Hoare triple {960#true} call #t~ret47 := pppox_init(); {960#true} is VALID [2020-07-08 13:20:21,477 INFO L280 TraceCheckUtils]: 10: Hoare triple {960#true} havoc ~tmp~3; {960#true} is VALID [2020-07-08 13:20:21,478 INFO L263 TraceCheckUtils]: 11: Hoare triple {960#true} call #t~ret46 := sock_register(~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset); {960#true} is VALID [2020-07-08 13:20:21,478 INFO L280 TraceCheckUtils]: 12: Hoare triple {960#true} ~arg0.base, ~arg0.offset := #in~arg0.base, #in~arg0.offset;assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647;#res := #t~nondet56;havoc #t~nondet56; {960#true} is VALID [2020-07-08 13:20:21,482 INFO L280 TraceCheckUtils]: 13: Hoare triple {960#true} assume true; {960#true} is VALID [2020-07-08 13:20:21,482 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {960#true} {960#true} #308#return; {960#true} is VALID [2020-07-08 13:20:21,482 INFO L280 TraceCheckUtils]: 15: Hoare triple {960#true} assume -2147483648 <= #t~ret46 && #t~ret46 <= 2147483647;~tmp~3 := #t~ret46;havoc #t~ret46;#res := ~tmp~3; {960#true} is VALID [2020-07-08 13:20:21,483 INFO L280 TraceCheckUtils]: 16: Hoare triple {960#true} assume true; {960#true} is VALID [2020-07-08 13:20:21,483 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {960#true} {960#true} #284#return; {960#true} is VALID [2020-07-08 13:20:21,486 INFO L280 TraceCheckUtils]: 18: Hoare triple {960#true} assume -2147483648 <= #t~ret47 && #t~ret47 <= 2147483647;~tmp~4 := #t~ret47;havoc #t~ret47; {960#true} is VALID [2020-07-08 13:20:21,488 INFO L280 TraceCheckUtils]: 19: Hoare triple {960#true} assume !(0 != ~tmp~4); {960#true} is VALID [2020-07-08 13:20:21,489 INFO L280 TraceCheckUtils]: 20: Hoare triple {960#true} assume -2147483648 <= #t~nondet50 && #t~nondet50 <= 2147483647;~tmp___1~0 := #t~nondet50;havoc #t~nondet50; {960#true} is VALID [2020-07-08 13:20:21,489 INFO L280 TraceCheckUtils]: 21: Hoare triple {960#true} assume 0 != ~tmp___1~0; {960#true} is VALID [2020-07-08 13:20:21,490 INFO L280 TraceCheckUtils]: 22: Hoare triple {960#true} assume -2147483648 <= #t~nondet48 && #t~nondet48 <= 2147483647;~tmp___0~1 := #t~nondet48;havoc #t~nondet48; {960#true} is VALID [2020-07-08 13:20:21,490 INFO L280 TraceCheckUtils]: 23: Hoare triple {960#true} assume 0 == ~tmp___0~1; {960#true} is VALID [2020-07-08 13:20:21,490 INFO L263 TraceCheckUtils]: 24: Hoare triple {960#true} call #t~ret49 := pppox_create(~var_group1~0.base, ~var_group1~0.offset, ~var_group2~0.base, ~var_group2~0.offset, ~var_pppox_create_4_p2~0, ~var_pppox_create_4_p3~0); {960#true} is VALID [2020-07-08 13:20:21,491 INFO L280 TraceCheckUtils]: 25: Hoare triple {960#true} ~net.base, ~net.offset := #in~net.base, #in~net.offset;~sock.base, ~sock.offset := #in~sock.base, #in~sock.offset;~protocol := #in~protocol;~kern := #in~kern;havoc ~rc~1;havoc ~tmp~2;~rc~1 := -91; {960#true} is VALID [2020-07-08 13:20:21,491 INFO L280 TraceCheckUtils]: 26: Hoare triple {960#true} assume !(~protocol < 0); {960#true} is VALID [2020-07-08 13:20:21,494 INFO L280 TraceCheckUtils]: 27: Hoare triple {960#true} assume !(~protocol > 3);~rc~1 := -93;call #t~mem30.base, #t~mem30.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8); {960#true} is VALID [2020-07-08 13:20:21,494 INFO L280 TraceCheckUtils]: 28: Hoare triple {960#true} assume 0 == (#t~mem30.base + #t~mem30.offset) % 18446744073709551616;havoc #t~mem30.base, #t~mem30.offset;havoc #t~nondet31; {960#true} is VALID [2020-07-08 13:20:21,495 INFO L280 TraceCheckUtils]: 29: Hoare triple {960#true} call #t~mem33.base, #t~mem33.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8); {960#true} is VALID [2020-07-08 13:20:21,499 INFO L280 TraceCheckUtils]: 30: Hoare triple {960#true} assume !(0 == (#t~mem33.base + #t~mem33.offset) % 18446744073709551616);havoc #t~mem33.base, #t~mem33.offset;call #t~mem34.base, #t~mem34.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8);call #t~mem35.base, #t~mem35.offset := read~$Pointer$(#t~mem34.base, 16 + #t~mem34.offset, 8); {960#true} is VALID [2020-07-08 13:20:21,504 INFO L263 TraceCheckUtils]: 31: Hoare triple {960#true} call #t~ret36 := ldv_try_module_get_1(#t~mem35.base, #t~mem35.offset); {993#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-08 13:20:21,504 INFO L280 TraceCheckUtils]: 32: Hoare triple {993#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~module.base, ~module.offset := #in~module.base, #in~module.offset;havoc ~tmp~5; {960#true} is VALID [2020-07-08 13:20:21,506 INFO L263 TraceCheckUtils]: 33: Hoare triple {960#true} call #t~ret52 := ldv_try_module_get(~module.base, ~module.offset); {993#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-08 13:20:21,507 INFO L280 TraceCheckUtils]: 34: Hoare triple {993#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~module.base, ~module.offset := #in~module.base, #in~module.offset;havoc ~module_get_succeeded~0; {960#true} is VALID [2020-07-08 13:20:21,508 INFO L280 TraceCheckUtils]: 35: Hoare triple {960#true} assume !(0 != (~module.base + ~module.offset) % 18446744073709551616);#res := 0; {1000#(and (<= 0 |ldv_try_module_get_#res|) (<= |ldv_try_module_get_#res| 0))} is VALID [2020-07-08 13:20:21,509 INFO L280 TraceCheckUtils]: 36: Hoare triple {1000#(and (<= 0 |ldv_try_module_get_#res|) (<= |ldv_try_module_get_#res| 0))} assume true; {1000#(and (<= 0 |ldv_try_module_get_#res|) (<= |ldv_try_module_get_#res| 0))} is VALID [2020-07-08 13:20:21,510 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {1000#(and (<= 0 |ldv_try_module_get_#res|) (<= |ldv_try_module_get_#res| 0))} {960#true} #312#return; {998#(and (<= 0 |ldv_try_module_get_1_#t~ret52|) (<= |ldv_try_module_get_1_#t~ret52| 0))} is VALID [2020-07-08 13:20:21,512 INFO L280 TraceCheckUtils]: 38: Hoare triple {998#(and (<= 0 |ldv_try_module_get_1_#t~ret52|) (<= |ldv_try_module_get_1_#t~ret52| 0))} assume -2147483648 <= #t~ret52 && #t~ret52 <= 2147483647;~tmp~5 := #t~ret52;havoc #t~ret52;#res := ~tmp~5; {999#(and (<= |ldv_try_module_get_1_#res| 0) (<= 0 |ldv_try_module_get_1_#res|))} is VALID [2020-07-08 13:20:21,514 INFO L280 TraceCheckUtils]: 39: Hoare triple {999#(and (<= |ldv_try_module_get_1_#res| 0) (<= 0 |ldv_try_module_get_1_#res|))} assume true; {999#(and (<= |ldv_try_module_get_1_#res| 0) (<= 0 |ldv_try_module_get_1_#res|))} is VALID [2020-07-08 13:20:21,516 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {999#(and (<= |ldv_try_module_get_1_#res| 0) (<= 0 |ldv_try_module_get_1_#res|))} {960#true} #294#return; {984#(= 0 |pppox_create_#t~ret36|)} is VALID [2020-07-08 13:20:21,518 INFO L280 TraceCheckUtils]: 41: Hoare triple {984#(= 0 |pppox_create_#t~ret36|)} assume -2147483648 <= #t~ret36 && #t~ret36 <= 2147483647;~tmp~2 := #t~ret36;havoc #t~mem34.base, #t~mem34.offset;havoc #t~ret36;havoc #t~mem35.base, #t~mem35.offset; {985#(= 0 pppox_create_~tmp~2)} is VALID [2020-07-08 13:20:21,519 INFO L280 TraceCheckUtils]: 42: Hoare triple {985#(= 0 pppox_create_~tmp~2)} assume !(0 == ~tmp~2);call #t~mem41.base, #t~mem41.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8);call #t~mem42.base, #t~mem42.offset := read~$Pointer$(#t~mem41.base, #t~mem41.offset, 8); {961#false} is VALID [2020-07-08 13:20:21,519 INFO L263 TraceCheckUtils]: 43: Hoare triple {961#false} call #t~ret43 := ##fun~$Pointer$~X~$Pointer$~TO~int(~net.base, ~net.offset, ~sock.base, ~sock.offset, #t~mem42.base, #t~mem42.offset); {960#true} is VALID [2020-07-08 13:20:21,520 INFO L280 TraceCheckUtils]: 44: Hoare triple {960#true} #~39.base, #~39.offset := #in~39.base, #in~39.offset;#~40.base, #~40.offset := #in~40.base, #in~40.offset; {960#true} is VALID [2020-07-08 13:20:21,520 INFO L280 TraceCheckUtils]: 45: Hoare triple {960#true} assume true; {960#true} is VALID [2020-07-08 13:20:21,523 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {960#true} {961#false} #296#return; {961#false} is VALID [2020-07-08 13:20:21,524 INFO L280 TraceCheckUtils]: 47: Hoare triple {961#false} assume -2147483648 <= #t~ret43 && #t~ret43 <= 2147483647;~rc~1 := #t~ret43;havoc #t~mem42.base, #t~mem42.offset;havoc #t~mem41.base, #t~mem41.offset;havoc #t~ret43;call #t~mem44.base, #t~mem44.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8);call #t~mem45.base, #t~mem45.offset := read~$Pointer$(#t~mem44.base, 16 + #t~mem44.offset, 8); {961#false} is VALID [2020-07-08 13:20:21,524 INFO L263 TraceCheckUtils]: 48: Hoare triple {961#false} call ldv_module_put_2(#t~mem45.base, #t~mem45.offset); {961#false} is VALID [2020-07-08 13:20:21,525 INFO L280 TraceCheckUtils]: 49: Hoare triple {961#false} ~ldv_func_arg1.base, ~ldv_func_arg1.offset := #in~ldv_func_arg1.base, #in~ldv_func_arg1.offset; {961#false} is VALID [2020-07-08 13:20:21,525 INFO L263 TraceCheckUtils]: 50: Hoare triple {961#false} call ldv_module_put(~ldv_func_arg1.base, ~ldv_func_arg1.offset); {961#false} is VALID [2020-07-08 13:20:21,526 INFO L280 TraceCheckUtils]: 51: Hoare triple {961#false} ~module.base, ~module.offset := #in~module.base, #in~module.offset; {961#false} is VALID [2020-07-08 13:20:21,526 INFO L280 TraceCheckUtils]: 52: Hoare triple {961#false} assume 0 != (~module.base + ~module.offset) % 18446744073709551616; {961#false} is VALID [2020-07-08 13:20:21,530 INFO L280 TraceCheckUtils]: 53: Hoare triple {961#false} assume ~ldv_module_refcounter~0 <= 1; {961#false} is VALID [2020-07-08 13:20:21,530 INFO L263 TraceCheckUtils]: 54: Hoare triple {961#false} call ldv_blast_assert(); {961#false} is VALID [2020-07-08 13:20:21,530 INFO L280 TraceCheckUtils]: 55: Hoare triple {961#false} assume !false; {961#false} is VALID [2020-07-08 13:20:21,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 13:20:21,545 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941987742] [2020-07-08 13:20:21,545 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 13:20:21,546 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-08 13:20:21,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954467300] [2020-07-08 13:20:21,552 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-07-08 13:20:21,553 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 13:20:21,553 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-08 13:20:21,648 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 13:20:21,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-08 13:20:21,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 13:20:21,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-08 13:20:21,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-07-08 13:20:21,651 INFO L87 Difference]: Start difference. First operand 150 states and 176 transitions. Second operand 9 states. [2020-07-08 13:20:24,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 13:20:24,251 INFO L93 Difference]: Finished difference Result 269 states and 321 transitions. [2020-07-08 13:20:24,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-08 13:20:24,252 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-07-08 13:20:24,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 13:20:24,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-08 13:20:24,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 200 transitions. [2020-07-08 13:20:24,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-08 13:20:24,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 200 transitions. [2020-07-08 13:20:24,278 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 200 transitions. [2020-07-08 13:20:24,620 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 200 edges. 200 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 13:20:24,627 INFO L225 Difference]: With dead ends: 269 [2020-07-08 13:20:24,627 INFO L226 Difference]: Without dead ends: 139 [2020-07-08 13:20:24,632 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-07-08 13:20:24,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-07-08 13:20:24,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 126. [2020-07-08 13:20:24,855 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 13:20:24,855 INFO L82 GeneralOperation]: Start isEquivalent. First operand 139 states. Second operand 126 states. [2020-07-08 13:20:24,855 INFO L74 IsIncluded]: Start isIncluded. First operand 139 states. Second operand 126 states. [2020-07-08 13:20:24,855 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 126 states. [2020-07-08 13:20:24,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 13:20:24,862 INFO L93 Difference]: Finished difference Result 139 states and 160 transitions. [2020-07-08 13:20:24,863 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 160 transitions. [2020-07-08 13:20:24,864 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 13:20:24,865 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 13:20:24,865 INFO L74 IsIncluded]: Start isIncluded. First operand 126 states. Second operand 139 states. [2020-07-08 13:20:24,865 INFO L87 Difference]: Start difference. First operand 126 states. Second operand 139 states. [2020-07-08 13:20:24,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 13:20:24,872 INFO L93 Difference]: Finished difference Result 139 states and 160 transitions. [2020-07-08 13:20:24,873 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 160 transitions. [2020-07-08 13:20:24,874 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 13:20:24,874 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 13:20:24,874 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 13:20:24,874 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 13:20:24,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-07-08 13:20:24,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 146 transitions. [2020-07-08 13:20:24,881 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 146 transitions. Word has length 56 [2020-07-08 13:20:24,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 13:20:24,881 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 146 transitions. [2020-07-08 13:20:24,881 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-08 13:20:24,881 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 146 transitions. [2020-07-08 13:20:24,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-08 13:20:24,883 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 13:20:24,883 INFO L422 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] [2020-07-08 13:20:24,884 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-08 13:20:24,884 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 13:20:24,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 13:20:24,885 INFO L82 PathProgramCache]: Analyzing trace with hash 751196711, now seen corresponding path program 1 times [2020-07-08 13:20:24,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 13:20:24,885 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831871294] [2020-07-08 13:20:24,886 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 13:20:24,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 13:20:25,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 13:20:25,078 INFO L280 TraceCheckUtils]: 0: Hoare triple {1863#(and (= |~#pppox_protos~0.offset| |old(~#pppox_protos~0.offset)|) (= ~LDV_IN_INTERRUPT~0 |old(~LDV_IN_INTERRUPT~0)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |~#pppox_protos~0.base| |old(~#pppox_protos~0.base)|) (= |~#pppox_proto_family~0.offset| |old(~#pppox_proto_family~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |old(#length)| |#length|) (= |~#pppox_proto_family~0.base| |old(~#pppox_proto_family~0.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(15);call ~#pppox_protos~0.base, ~#pppox_protos~0.offset := #Ultimate.allocOnStack(32);call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, ~#pppox_protos~0.offset, 8);call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 8 + ~#pppox_protos~0.offset, 8);call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 16 + ~#pppox_protos~0.offset, 8);call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 24 + ~#pppox_protos~0.offset, 8);call ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset := #Ultimate.allocOnStack(20);call write~init~int(24, ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset, 4);call write~init~$Pointer$(#funAddr~pppox_create.base, #funAddr~pppox_create.offset, ~#pppox_proto_family~0.base, 4 + ~#pppox_proto_family~0.offset, 8);call write~init~$Pointer$(~#__this_module~0.base, ~#__this_module~0.offset, ~#pppox_proto_family~0.base, 12 + ~#pppox_proto_family~0.offset, 8);~LDV_IN_INTERRUPT~0 := 0;~ldv_module_refcounter~0 := 1; {1833#(<= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,079 INFO L280 TraceCheckUtils]: 1: Hoare triple {1833#(<= 1 ~ldv_module_refcounter~0)} assume true; {1833#(<= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,080 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1833#(<= 1 ~ldv_module_refcounter~0)} {1828#true} #314#return; {1833#(<= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 13:20:25,088 INFO L280 TraceCheckUtils]: 0: Hoare triple {1828#true} assume true; {1828#true} is VALID [2020-07-08 13:20:25,089 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1828#true} {1833#(<= 1 ~ldv_module_refcounter~0)} #282#return; {1833#(<= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 13:20:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 13:20:25,107 INFO L280 TraceCheckUtils]: 0: Hoare triple {1828#true} ~arg0.base, ~arg0.offset := #in~arg0.base, #in~arg0.offset;assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647;#res := #t~nondet56;havoc #t~nondet56; {1828#true} is VALID [2020-07-08 13:20:25,108 INFO L280 TraceCheckUtils]: 1: Hoare triple {1828#true} assume true; {1828#true} is VALID [2020-07-08 13:20:25,108 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1828#true} {1828#true} #308#return; {1828#true} is VALID [2020-07-08 13:20:25,108 INFO L280 TraceCheckUtils]: 0: Hoare triple {1828#true} havoc ~tmp~3; {1828#true} is VALID [2020-07-08 13:20:25,109 INFO L263 TraceCheckUtils]: 1: Hoare triple {1828#true} call #t~ret46 := sock_register(~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset); {1828#true} is VALID [2020-07-08 13:20:25,109 INFO L280 TraceCheckUtils]: 2: Hoare triple {1828#true} ~arg0.base, ~arg0.offset := #in~arg0.base, #in~arg0.offset;assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647;#res := #t~nondet56;havoc #t~nondet56; {1828#true} is VALID [2020-07-08 13:20:25,109 INFO L280 TraceCheckUtils]: 3: Hoare triple {1828#true} assume true; {1828#true} is VALID [2020-07-08 13:20:25,110 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1828#true} {1828#true} #308#return; {1828#true} is VALID [2020-07-08 13:20:25,110 INFO L280 TraceCheckUtils]: 5: Hoare triple {1828#true} assume -2147483648 <= #t~ret46 && #t~ret46 <= 2147483647;~tmp~3 := #t~ret46;havoc #t~ret46;#res := ~tmp~3; {1828#true} is VALID [2020-07-08 13:20:25,110 INFO L280 TraceCheckUtils]: 6: Hoare triple {1828#true} assume true; {1828#true} is VALID [2020-07-08 13:20:25,111 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {1828#true} {1833#(<= 1 ~ldv_module_refcounter~0)} #284#return; {1833#(<= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 13:20:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 13:20:25,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 13:20:25,188 INFO L280 TraceCheckUtils]: 0: Hoare triple {1828#true} assume -2147483648 <= #t~nondet54 && #t~nondet54 <= 2147483647;#res := #t~nondet54;havoc #t~nondet54; {1828#true} is VALID [2020-07-08 13:20:25,188 INFO L280 TraceCheckUtils]: 1: Hoare triple {1828#true} assume true; {1828#true} is VALID [2020-07-08 13:20:25,189 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1828#true} {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} #292#return; {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-08 13:20:25,191 INFO L280 TraceCheckUtils]: 0: Hoare triple {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~module.base, ~module.offset := #in~module.base, #in~module.offset;havoc ~module_get_succeeded~0; {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-08 13:20:25,192 INFO L280 TraceCheckUtils]: 1: Hoare triple {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} assume 0 != (~module.base + ~module.offset) % 18446744073709551616; {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-08 13:20:25,192 INFO L263 TraceCheckUtils]: 2: Hoare triple {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} call #t~ret51 := ldv_undefined_int(); {1828#true} is VALID [2020-07-08 13:20:25,193 INFO L280 TraceCheckUtils]: 3: Hoare triple {1828#true} assume -2147483648 <= #t~nondet54 && #t~nondet54 <= 2147483647;#res := #t~nondet54;havoc #t~nondet54; {1828#true} is VALID [2020-07-08 13:20:25,193 INFO L280 TraceCheckUtils]: 4: Hoare triple {1828#true} assume true; {1828#true} is VALID [2020-07-08 13:20:25,194 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {1828#true} {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} #292#return; {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-08 13:20:25,195 INFO L280 TraceCheckUtils]: 6: Hoare triple {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} assume -2147483648 <= #t~ret51 && #t~ret51 <= 2147483647;~module_get_succeeded~0 := #t~ret51;havoc #t~ret51; {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-08 13:20:25,196 INFO L280 TraceCheckUtils]: 7: Hoare triple {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} assume 1 == ~module_get_succeeded~0;~ldv_module_refcounter~0 := 1 + ~ldv_module_refcounter~0;#res := 1; {1878#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,197 INFO L280 TraceCheckUtils]: 8: Hoare triple {1878#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} assume true; {1878#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,199 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {1878#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} #312#return; {1878#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,200 INFO L280 TraceCheckUtils]: 0: Hoare triple {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~module.base, ~module.offset := #in~module.base, #in~module.offset;havoc ~tmp~5; {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-08 13:20:25,201 INFO L263 TraceCheckUtils]: 1: Hoare triple {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} call #t~ret52 := ldv_try_module_get(~module.base, ~module.offset); {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-08 13:20:25,201 INFO L280 TraceCheckUtils]: 2: Hoare triple {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~module.base, ~module.offset := #in~module.base, #in~module.offset;havoc ~module_get_succeeded~0; {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-08 13:20:25,202 INFO L280 TraceCheckUtils]: 3: Hoare triple {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} assume 0 != (~module.base + ~module.offset) % 18446744073709551616; {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-08 13:20:25,203 INFO L263 TraceCheckUtils]: 4: Hoare triple {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} call #t~ret51 := ldv_undefined_int(); {1828#true} is VALID [2020-07-08 13:20:25,203 INFO L280 TraceCheckUtils]: 5: Hoare triple {1828#true} assume -2147483648 <= #t~nondet54 && #t~nondet54 <= 2147483647;#res := #t~nondet54;havoc #t~nondet54; {1828#true} is VALID [2020-07-08 13:20:25,203 INFO L280 TraceCheckUtils]: 6: Hoare triple {1828#true} assume true; {1828#true} is VALID [2020-07-08 13:20:25,204 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {1828#true} {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} #292#return; {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-08 13:20:25,205 INFO L280 TraceCheckUtils]: 8: Hoare triple {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} assume -2147483648 <= #t~ret51 && #t~ret51 <= 2147483647;~module_get_succeeded~0 := #t~ret51;havoc #t~ret51; {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-08 13:20:25,206 INFO L280 TraceCheckUtils]: 9: Hoare triple {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} assume 1 == ~module_get_succeeded~0;~ldv_module_refcounter~0 := 1 + ~ldv_module_refcounter~0;#res := 1; {1878#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,207 INFO L280 TraceCheckUtils]: 10: Hoare triple {1878#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} assume true; {1878#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,209 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {1878#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} #312#return; {1878#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,209 INFO L280 TraceCheckUtils]: 12: Hoare triple {1878#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} assume -2147483648 <= #t~ret52 && #t~ret52 <= 2147483647;~tmp~5 := #t~ret52;havoc #t~ret52;#res := ~tmp~5; {1878#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,210 INFO L280 TraceCheckUtils]: 13: Hoare triple {1878#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} assume true; {1878#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,212 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {1878#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} {1833#(<= 1 ~ldv_module_refcounter~0)} #294#return; {1859#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 13:20:25,221 INFO L280 TraceCheckUtils]: 0: Hoare triple {1828#true} #~39.base, #~39.offset := #in~39.base, #in~39.offset;#~40.base, #~40.offset := #in~40.base, #in~40.offset; {1828#true} is VALID [2020-07-08 13:20:25,221 INFO L280 TraceCheckUtils]: 1: Hoare triple {1828#true} assume true; {1828#true} is VALID [2020-07-08 13:20:25,223 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1828#true} {1859#(<= 2 ~ldv_module_refcounter~0)} #296#return; {1859#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,224 INFO L263 TraceCheckUtils]: 0: Hoare triple {1828#true} call ULTIMATE.init(); {1863#(and (= |~#pppox_protos~0.offset| |old(~#pppox_protos~0.offset)|) (= ~LDV_IN_INTERRUPT~0 |old(~LDV_IN_INTERRUPT~0)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |~#pppox_protos~0.base| |old(~#pppox_protos~0.base)|) (= |~#pppox_proto_family~0.offset| |old(~#pppox_proto_family~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |old(#length)| |#length|) (= |~#pppox_proto_family~0.base| |old(~#pppox_proto_family~0.base)|))} is VALID [2020-07-08 13:20:25,227 INFO L280 TraceCheckUtils]: 1: Hoare triple {1863#(and (= |~#pppox_protos~0.offset| |old(~#pppox_protos~0.offset)|) (= ~LDV_IN_INTERRUPT~0 |old(~LDV_IN_INTERRUPT~0)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |~#pppox_protos~0.base| |old(~#pppox_protos~0.base)|) (= |~#pppox_proto_family~0.offset| |old(~#pppox_proto_family~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |old(#length)| |#length|) (= |~#pppox_proto_family~0.base| |old(~#pppox_proto_family~0.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(15);call ~#pppox_protos~0.base, ~#pppox_protos~0.offset := #Ultimate.allocOnStack(32);call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, ~#pppox_protos~0.offset, 8);call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 8 + ~#pppox_protos~0.offset, 8);call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 16 + ~#pppox_protos~0.offset, 8);call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 24 + ~#pppox_protos~0.offset, 8);call ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset := #Ultimate.allocOnStack(20);call write~init~int(24, ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset, 4);call write~init~$Pointer$(#funAddr~pppox_create.base, #funAddr~pppox_create.offset, ~#pppox_proto_family~0.base, 4 + ~#pppox_proto_family~0.offset, 8);call write~init~$Pointer$(~#__this_module~0.base, ~#__this_module~0.offset, ~#pppox_proto_family~0.base, 12 + ~#pppox_proto_family~0.offset, 8);~LDV_IN_INTERRUPT~0 := 0;~ldv_module_refcounter~0 := 1; {1833#(<= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,228 INFO L280 TraceCheckUtils]: 2: Hoare triple {1833#(<= 1 ~ldv_module_refcounter~0)} assume true; {1833#(<= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,228 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1833#(<= 1 ~ldv_module_refcounter~0)} {1828#true} #314#return; {1833#(<= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,229 INFO L263 TraceCheckUtils]: 4: Hoare triple {1833#(<= 1 ~ldv_module_refcounter~0)} call #t~ret58 := main(); {1833#(<= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,230 INFO L280 TraceCheckUtils]: 5: Hoare triple {1833#(<= 1 ~ldv_module_refcounter~0)} havoc ~var_group1~0.base, ~var_group1~0.offset;havoc ~var_group2~0.base, ~var_group2~0.offset;havoc ~var_pppox_create_4_p2~0;havoc ~var_pppox_create_4_p3~0;havoc ~tmp~4;havoc ~tmp___0~1;havoc ~tmp___1~0;~LDV_IN_INTERRUPT~0 := 1; {1833#(<= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,230 INFO L263 TraceCheckUtils]: 6: Hoare triple {1833#(<= 1 ~ldv_module_refcounter~0)} call ldv_initialize(); {1828#true} is VALID [2020-07-08 13:20:25,231 INFO L280 TraceCheckUtils]: 7: Hoare triple {1828#true} assume true; {1828#true} is VALID [2020-07-08 13:20:25,232 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1828#true} {1833#(<= 1 ~ldv_module_refcounter~0)} #282#return; {1833#(<= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,232 INFO L263 TraceCheckUtils]: 9: Hoare triple {1833#(<= 1 ~ldv_module_refcounter~0)} call #t~ret47 := pppox_init(); {1828#true} is VALID [2020-07-08 13:20:25,232 INFO L280 TraceCheckUtils]: 10: Hoare triple {1828#true} havoc ~tmp~3; {1828#true} is VALID [2020-07-08 13:20:25,233 INFO L263 TraceCheckUtils]: 11: Hoare triple {1828#true} call #t~ret46 := sock_register(~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset); {1828#true} is VALID [2020-07-08 13:20:25,233 INFO L280 TraceCheckUtils]: 12: Hoare triple {1828#true} ~arg0.base, ~arg0.offset := #in~arg0.base, #in~arg0.offset;assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647;#res := #t~nondet56;havoc #t~nondet56; {1828#true} is VALID [2020-07-08 13:20:25,233 INFO L280 TraceCheckUtils]: 13: Hoare triple {1828#true} assume true; {1828#true} is VALID [2020-07-08 13:20:25,234 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {1828#true} {1828#true} #308#return; {1828#true} is VALID [2020-07-08 13:20:25,234 INFO L280 TraceCheckUtils]: 15: Hoare triple {1828#true} assume -2147483648 <= #t~ret46 && #t~ret46 <= 2147483647;~tmp~3 := #t~ret46;havoc #t~ret46;#res := ~tmp~3; {1828#true} is VALID [2020-07-08 13:20:25,234 INFO L280 TraceCheckUtils]: 16: Hoare triple {1828#true} assume true; {1828#true} is VALID [2020-07-08 13:20:25,235 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {1828#true} {1833#(<= 1 ~ldv_module_refcounter~0)} #284#return; {1833#(<= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,236 INFO L280 TraceCheckUtils]: 18: Hoare triple {1833#(<= 1 ~ldv_module_refcounter~0)} assume -2147483648 <= #t~ret47 && #t~ret47 <= 2147483647;~tmp~4 := #t~ret47;havoc #t~ret47; {1833#(<= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,236 INFO L280 TraceCheckUtils]: 19: Hoare triple {1833#(<= 1 ~ldv_module_refcounter~0)} assume !(0 != ~tmp~4); {1833#(<= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,237 INFO L280 TraceCheckUtils]: 20: Hoare triple {1833#(<= 1 ~ldv_module_refcounter~0)} assume -2147483648 <= #t~nondet50 && #t~nondet50 <= 2147483647;~tmp___1~0 := #t~nondet50;havoc #t~nondet50; {1833#(<= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,238 INFO L280 TraceCheckUtils]: 21: Hoare triple {1833#(<= 1 ~ldv_module_refcounter~0)} assume 0 != ~tmp___1~0; {1833#(<= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,239 INFO L280 TraceCheckUtils]: 22: Hoare triple {1833#(<= 1 ~ldv_module_refcounter~0)} assume -2147483648 <= #t~nondet48 && #t~nondet48 <= 2147483647;~tmp___0~1 := #t~nondet48;havoc #t~nondet48; {1833#(<= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,239 INFO L280 TraceCheckUtils]: 23: Hoare triple {1833#(<= 1 ~ldv_module_refcounter~0)} assume 0 == ~tmp___0~1; {1833#(<= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,241 INFO L263 TraceCheckUtils]: 24: Hoare triple {1833#(<= 1 ~ldv_module_refcounter~0)} call #t~ret49 := pppox_create(~var_group1~0.base, ~var_group1~0.offset, ~var_group2~0.base, ~var_group2~0.offset, ~var_pppox_create_4_p2~0, ~var_pppox_create_4_p3~0); {1833#(<= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,242 INFO L280 TraceCheckUtils]: 25: Hoare triple {1833#(<= 1 ~ldv_module_refcounter~0)} ~net.base, ~net.offset := #in~net.base, #in~net.offset;~sock.base, ~sock.offset := #in~sock.base, #in~sock.offset;~protocol := #in~protocol;~kern := #in~kern;havoc ~rc~1;havoc ~tmp~2;~rc~1 := -91; {1833#(<= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,243 INFO L280 TraceCheckUtils]: 26: Hoare triple {1833#(<= 1 ~ldv_module_refcounter~0)} assume !(~protocol < 0); {1833#(<= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,244 INFO L280 TraceCheckUtils]: 27: Hoare triple {1833#(<= 1 ~ldv_module_refcounter~0)} assume !(~protocol > 3);~rc~1 := -93;call #t~mem30.base, #t~mem30.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8); {1833#(<= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,245 INFO L280 TraceCheckUtils]: 28: Hoare triple {1833#(<= 1 ~ldv_module_refcounter~0)} assume 0 == (#t~mem30.base + #t~mem30.offset) % 18446744073709551616;havoc #t~mem30.base, #t~mem30.offset;havoc #t~nondet31; {1833#(<= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,246 INFO L280 TraceCheckUtils]: 29: Hoare triple {1833#(<= 1 ~ldv_module_refcounter~0)} call #t~mem33.base, #t~mem33.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8); {1833#(<= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,247 INFO L280 TraceCheckUtils]: 30: Hoare triple {1833#(<= 1 ~ldv_module_refcounter~0)} assume !(0 == (#t~mem33.base + #t~mem33.offset) % 18446744073709551616);havoc #t~mem33.base, #t~mem33.offset;call #t~mem34.base, #t~mem34.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8);call #t~mem35.base, #t~mem35.offset := read~$Pointer$(#t~mem34.base, 16 + #t~mem34.offset, 8); {1833#(<= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,248 INFO L263 TraceCheckUtils]: 31: Hoare triple {1833#(<= 1 ~ldv_module_refcounter~0)} call #t~ret36 := ldv_try_module_get_1(#t~mem35.base, #t~mem35.offset); {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-08 13:20:25,249 INFO L280 TraceCheckUtils]: 32: Hoare triple {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~module.base, ~module.offset := #in~module.base, #in~module.offset;havoc ~tmp~5; {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-08 13:20:25,250 INFO L263 TraceCheckUtils]: 33: Hoare triple {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} call #t~ret52 := ldv_try_module_get(~module.base, ~module.offset); {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-08 13:20:25,251 INFO L280 TraceCheckUtils]: 34: Hoare triple {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~module.base, ~module.offset := #in~module.base, #in~module.offset;havoc ~module_get_succeeded~0; {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-08 13:20:25,252 INFO L280 TraceCheckUtils]: 35: Hoare triple {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} assume 0 != (~module.base + ~module.offset) % 18446744073709551616; {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-08 13:20:25,253 INFO L263 TraceCheckUtils]: 36: Hoare triple {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} call #t~ret51 := ldv_undefined_int(); {1828#true} is VALID [2020-07-08 13:20:25,253 INFO L280 TraceCheckUtils]: 37: Hoare triple {1828#true} assume -2147483648 <= #t~nondet54 && #t~nondet54 <= 2147483647;#res := #t~nondet54;havoc #t~nondet54; {1828#true} is VALID [2020-07-08 13:20:25,253 INFO L280 TraceCheckUtils]: 38: Hoare triple {1828#true} assume true; {1828#true} is VALID [2020-07-08 13:20:25,254 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {1828#true} {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} #292#return; {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-08 13:20:25,255 INFO L280 TraceCheckUtils]: 40: Hoare triple {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} assume -2147483648 <= #t~ret51 && #t~ret51 <= 2147483647;~module_get_succeeded~0 := #t~ret51;havoc #t~ret51; {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-08 13:20:25,256 INFO L280 TraceCheckUtils]: 41: Hoare triple {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} assume 1 == ~module_get_succeeded~0;~ldv_module_refcounter~0 := 1 + ~ldv_module_refcounter~0;#res := 1; {1878#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,257 INFO L280 TraceCheckUtils]: 42: Hoare triple {1878#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} assume true; {1878#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,259 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {1878#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} {1867#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} #312#return; {1878#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,260 INFO L280 TraceCheckUtils]: 44: Hoare triple {1878#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} assume -2147483648 <= #t~ret52 && #t~ret52 <= 2147483647;~tmp~5 := #t~ret52;havoc #t~ret52;#res := ~tmp~5; {1878#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,261 INFO L280 TraceCheckUtils]: 45: Hoare triple {1878#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} assume true; {1878#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,263 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {1878#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} {1833#(<= 1 ~ldv_module_refcounter~0)} #294#return; {1859#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,268 INFO L280 TraceCheckUtils]: 47: Hoare triple {1859#(<= 2 ~ldv_module_refcounter~0)} assume -2147483648 <= #t~ret36 && #t~ret36 <= 2147483647;~tmp~2 := #t~ret36;havoc #t~mem34.base, #t~mem34.offset;havoc #t~ret36;havoc #t~mem35.base, #t~mem35.offset; {1859#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,269 INFO L280 TraceCheckUtils]: 48: Hoare triple {1859#(<= 2 ~ldv_module_refcounter~0)} assume !(0 == ~tmp~2);call #t~mem41.base, #t~mem41.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8);call #t~mem42.base, #t~mem42.offset := read~$Pointer$(#t~mem41.base, #t~mem41.offset, 8); {1859#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,269 INFO L263 TraceCheckUtils]: 49: Hoare triple {1859#(<= 2 ~ldv_module_refcounter~0)} call #t~ret43 := ##fun~$Pointer$~X~$Pointer$~TO~int(~net.base, ~net.offset, ~sock.base, ~sock.offset, #t~mem42.base, #t~mem42.offset); {1828#true} is VALID [2020-07-08 13:20:25,269 INFO L280 TraceCheckUtils]: 50: Hoare triple {1828#true} #~39.base, #~39.offset := #in~39.base, #in~39.offset;#~40.base, #~40.offset := #in~40.base, #in~40.offset; {1828#true} is VALID [2020-07-08 13:20:25,269 INFO L280 TraceCheckUtils]: 51: Hoare triple {1828#true} assume true; {1828#true} is VALID [2020-07-08 13:20:25,271 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {1828#true} {1859#(<= 2 ~ldv_module_refcounter~0)} #296#return; {1859#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,272 INFO L280 TraceCheckUtils]: 53: Hoare triple {1859#(<= 2 ~ldv_module_refcounter~0)} assume -2147483648 <= #t~ret43 && #t~ret43 <= 2147483647;~rc~1 := #t~ret43;havoc #t~mem42.base, #t~mem42.offset;havoc #t~mem41.base, #t~mem41.offset;havoc #t~ret43;call #t~mem44.base, #t~mem44.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8);call #t~mem45.base, #t~mem45.offset := read~$Pointer$(#t~mem44.base, 16 + #t~mem44.offset, 8); {1859#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,274 INFO L263 TraceCheckUtils]: 54: Hoare triple {1859#(<= 2 ~ldv_module_refcounter~0)} call ldv_module_put_2(#t~mem45.base, #t~mem45.offset); {1859#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,275 INFO L280 TraceCheckUtils]: 55: Hoare triple {1859#(<= 2 ~ldv_module_refcounter~0)} ~ldv_func_arg1.base, ~ldv_func_arg1.offset := #in~ldv_func_arg1.base, #in~ldv_func_arg1.offset; {1859#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,276 INFO L263 TraceCheckUtils]: 56: Hoare triple {1859#(<= 2 ~ldv_module_refcounter~0)} call ldv_module_put(~ldv_func_arg1.base, ~ldv_func_arg1.offset); {1859#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,276 INFO L280 TraceCheckUtils]: 57: Hoare triple {1859#(<= 2 ~ldv_module_refcounter~0)} ~module.base, ~module.offset := #in~module.base, #in~module.offset; {1859#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,277 INFO L280 TraceCheckUtils]: 58: Hoare triple {1859#(<= 2 ~ldv_module_refcounter~0)} assume 0 != (~module.base + ~module.offset) % 18446744073709551616; {1859#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-08 13:20:25,278 INFO L280 TraceCheckUtils]: 59: Hoare triple {1859#(<= 2 ~ldv_module_refcounter~0)} assume ~ldv_module_refcounter~0 <= 1; {1829#false} is VALID [2020-07-08 13:20:25,278 INFO L263 TraceCheckUtils]: 60: Hoare triple {1829#false} call ldv_blast_assert(); {1829#false} is VALID [2020-07-08 13:20:25,279 INFO L280 TraceCheckUtils]: 61: Hoare triple {1829#false} assume !false; {1829#false} is VALID [2020-07-08 13:20:25,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 13:20:25,286 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831871294] [2020-07-08 13:20:25,287 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 13:20:25,287 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-08 13:20:25,287 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651692276] [2020-07-08 13:20:25,288 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2020-07-08 13:20:25,288 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 13:20:25,289 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-08 13:20:25,365 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 13:20:25,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-08 13:20:25,366 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 13:20:25,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-08 13:20:25,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-08 13:20:25,367 INFO L87 Difference]: Start difference. First operand 126 states and 146 transitions. Second operand 7 states. [2020-07-08 13:20:27,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 13:20:27,778 INFO L93 Difference]: Finished difference Result 186 states and 224 transitions. [2020-07-08 13:20:27,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-08 13:20:27,779 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2020-07-08 13:20:27,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 13:20:27,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 13:20:27,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 190 transitions. [2020-07-08 13:20:27,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-08 13:20:27,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 190 transitions. [2020-07-08 13:20:27,798 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 190 transitions. [2020-07-08 13:20:28,180 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 190 edges. 190 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 13:20:28,187 INFO L225 Difference]: With dead ends: 186 [2020-07-08 13:20:28,187 INFO L226 Difference]: Without dead ends: 183 [2020-07-08 13:20:28,188 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-07-08 13:20:28,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2020-07-08 13:20:28,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 125. [2020-07-08 13:20:28,413 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 13:20:28,413 INFO L82 GeneralOperation]: Start isEquivalent. First operand 183 states. Second operand 125 states. [2020-07-08 13:20:28,414 INFO L74 IsIncluded]: Start isIncluded. First operand 183 states. Second operand 125 states. [2020-07-08 13:20:28,414 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 125 states. [2020-07-08 13:20:28,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 13:20:28,423 INFO L93 Difference]: Finished difference Result 183 states and 221 transitions. [2020-07-08 13:20:28,424 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 221 transitions. [2020-07-08 13:20:28,425 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 13:20:28,425 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 13:20:28,425 INFO L74 IsIncluded]: Start isIncluded. First operand 125 states. Second operand 183 states. [2020-07-08 13:20:28,425 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 183 states. [2020-07-08 13:20:28,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 13:20:28,435 INFO L93 Difference]: Finished difference Result 183 states and 221 transitions. [2020-07-08 13:20:28,435 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 221 transitions. [2020-07-08 13:20:28,436 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 13:20:28,436 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 13:20:28,436 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 13:20:28,436 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 13:20:28,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-07-08 13:20:28,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 144 transitions. [2020-07-08 13:20:28,442 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 144 transitions. Word has length 62 [2020-07-08 13:20:28,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 13:20:28,442 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 144 transitions. [2020-07-08 13:20:28,442 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-08 13:20:28,442 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 144 transitions. [2020-07-08 13:20:28,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-07-08 13:20:28,444 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 13:20:28,444 INFO L422 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] [2020-07-08 13:20:28,444 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-08 13:20:28,445 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 13:20:28,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 13:20:28,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1928601058, now seen corresponding path program 1 times [2020-07-08 13:20:28,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 13:20:28,446 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897918031] [2020-07-08 13:20:28,446 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 13:20:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 13:20:28,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 13:20:28,560 INFO L280 TraceCheckUtils]: 0: Hoare triple {2735#(and (= |~#pppox_protos~0.offset| |old(~#pppox_protos~0.offset)|) (= ~LDV_IN_INTERRUPT~0 |old(~LDV_IN_INTERRUPT~0)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |~#pppox_protos~0.base| |old(~#pppox_protos~0.base)|) (= |~#pppox_proto_family~0.offset| |old(~#pppox_proto_family~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |old(#length)| |#length|) (= |~#pppox_proto_family~0.base| |old(~#pppox_proto_family~0.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(15);call ~#pppox_protos~0.base, ~#pppox_protos~0.offset := #Ultimate.allocOnStack(32);call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, ~#pppox_protos~0.offset, 8);call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 8 + ~#pppox_protos~0.offset, 8);call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 16 + ~#pppox_protos~0.offset, 8);call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 24 + ~#pppox_protos~0.offset, 8);call ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset := #Ultimate.allocOnStack(20);call write~init~int(24, ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset, 4);call write~init~$Pointer$(#funAddr~pppox_create.base, #funAddr~pppox_create.offset, ~#pppox_proto_family~0.base, 4 + ~#pppox_proto_family~0.offset, 8);call write~init~$Pointer$(~#__this_module~0.base, ~#__this_module~0.offset, ~#pppox_proto_family~0.base, 12 + ~#pppox_proto_family~0.offset, 8);~LDV_IN_INTERRUPT~0 := 0;~ldv_module_refcounter~0 := 1; {2687#true} is VALID [2020-07-08 13:20:28,560 INFO L280 TraceCheckUtils]: 1: Hoare triple {2687#true} assume true; {2687#true} is VALID [2020-07-08 13:20:28,560 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2687#true} {2687#true} #314#return; {2687#true} is VALID [2020-07-08 13:20:28,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 13:20:28,569 INFO L280 TraceCheckUtils]: 0: Hoare triple {2687#true} assume true; {2687#true} is VALID [2020-07-08 13:20:28,569 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2687#true} {2687#true} #282#return; {2687#true} is VALID [2020-07-08 13:20:28,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 13:20:28,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 13:20:28,591 INFO L280 TraceCheckUtils]: 0: Hoare triple {2687#true} ~arg0.base, ~arg0.offset := #in~arg0.base, #in~arg0.offset;assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647;#res := #t~nondet56;havoc #t~nondet56; {2687#true} is VALID [2020-07-08 13:20:28,592 INFO L280 TraceCheckUtils]: 1: Hoare triple {2687#true} assume true; {2687#true} is VALID [2020-07-08 13:20:28,592 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2687#true} {2687#true} #308#return; {2687#true} is VALID [2020-07-08 13:20:28,593 INFO L280 TraceCheckUtils]: 0: Hoare triple {2687#true} havoc ~tmp~3; {2687#true} is VALID [2020-07-08 13:20:28,593 INFO L263 TraceCheckUtils]: 1: Hoare triple {2687#true} call #t~ret46 := sock_register(~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset); {2687#true} is VALID [2020-07-08 13:20:28,593 INFO L280 TraceCheckUtils]: 2: Hoare triple {2687#true} ~arg0.base, ~arg0.offset := #in~arg0.base, #in~arg0.offset;assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647;#res := #t~nondet56;havoc #t~nondet56; {2687#true} is VALID [2020-07-08 13:20:28,593 INFO L280 TraceCheckUtils]: 3: Hoare triple {2687#true} assume true; {2687#true} is VALID [2020-07-08 13:20:28,594 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2687#true} {2687#true} #308#return; {2687#true} is VALID [2020-07-08 13:20:28,594 INFO L280 TraceCheckUtils]: 5: Hoare triple {2687#true} assume -2147483648 <= #t~ret46 && #t~ret46 <= 2147483647;~tmp~3 := #t~ret46;havoc #t~ret46;#res := ~tmp~3; {2687#true} is VALID [2020-07-08 13:20:28,594 INFO L280 TraceCheckUtils]: 6: Hoare triple {2687#true} assume true; {2687#true} is VALID [2020-07-08 13:20:28,595 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {2687#true} {2687#true} #284#return; {2687#true} is VALID [2020-07-08 13:20:28,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 13:20:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 13:20:28,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 13:20:28,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 13:20:28,742 INFO L280 TraceCheckUtils]: 0: Hoare triple {2687#true} assume -2147483648 <= #t~nondet54 && #t~nondet54 <= 2147483647;#res := #t~nondet54;havoc #t~nondet54; {2687#true} is VALID [2020-07-08 13:20:28,742 INFO L280 TraceCheckUtils]: 1: Hoare triple {2687#true} assume true; {2687#true} is VALID [2020-07-08 13:20:28,743 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2687#true} {2687#true} #292#return; {2687#true} is VALID [2020-07-08 13:20:28,743 INFO L280 TraceCheckUtils]: 0: Hoare triple {2739#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~module.base, ~module.offset := #in~module.base, #in~module.offset;havoc ~module_get_succeeded~0; {2687#true} is VALID [2020-07-08 13:20:28,743 INFO L280 TraceCheckUtils]: 1: Hoare triple {2687#true} assume 0 != (~module.base + ~module.offset) % 18446744073709551616; {2687#true} is VALID [2020-07-08 13:20:28,744 INFO L263 TraceCheckUtils]: 2: Hoare triple {2687#true} call #t~ret51 := ldv_undefined_int(); {2687#true} is VALID [2020-07-08 13:20:28,744 INFO L280 TraceCheckUtils]: 3: Hoare triple {2687#true} assume -2147483648 <= #t~nondet54 && #t~nondet54 <= 2147483647;#res := #t~nondet54;havoc #t~nondet54; {2687#true} is VALID [2020-07-08 13:20:28,744 INFO L280 TraceCheckUtils]: 4: Hoare triple {2687#true} assume true; {2687#true} is VALID [2020-07-08 13:20:28,745 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2687#true} {2687#true} #292#return; {2687#true} is VALID [2020-07-08 13:20:28,745 INFO L280 TraceCheckUtils]: 6: Hoare triple {2687#true} assume -2147483648 <= #t~ret51 && #t~ret51 <= 2147483647;~module_get_succeeded~0 := #t~ret51;havoc #t~ret51; {2687#true} is VALID [2020-07-08 13:20:28,746 INFO L280 TraceCheckUtils]: 7: Hoare triple {2687#true} assume 1 == ~module_get_succeeded~0;~ldv_module_refcounter~0 := 1 + ~ldv_module_refcounter~0;#res := 1; {2772#(<= 1 |ldv_try_module_get_#res|)} is VALID [2020-07-08 13:20:28,747 INFO L280 TraceCheckUtils]: 8: Hoare triple {2772#(<= 1 |ldv_try_module_get_#res|)} assume true; {2772#(<= 1 |ldv_try_module_get_#res|)} is VALID [2020-07-08 13:20:28,749 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {2772#(<= 1 |ldv_try_module_get_#res|)} {2687#true} #312#return; {2767#(<= 1 |ldv_try_module_get_1_#t~ret52|)} is VALID [2020-07-08 13:20:28,750 INFO L280 TraceCheckUtils]: 0: Hoare triple {2739#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~module.base, ~module.offset := #in~module.base, #in~module.offset;havoc ~tmp~5; {2687#true} is VALID [2020-07-08 13:20:28,752 INFO L263 TraceCheckUtils]: 1: Hoare triple {2687#true} call #t~ret52 := ldv_try_module_get(~module.base, ~module.offset); {2739#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-08 13:20:28,753 INFO L280 TraceCheckUtils]: 2: Hoare triple {2739#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~module.base, ~module.offset := #in~module.base, #in~module.offset;havoc ~module_get_succeeded~0; {2687#true} is VALID [2020-07-08 13:20:28,753 INFO L280 TraceCheckUtils]: 3: Hoare triple {2687#true} assume 0 != (~module.base + ~module.offset) % 18446744073709551616; {2687#true} is VALID [2020-07-08 13:20:28,753 INFO L263 TraceCheckUtils]: 4: Hoare triple {2687#true} call #t~ret51 := ldv_undefined_int(); {2687#true} is VALID [2020-07-08 13:20:28,754 INFO L280 TraceCheckUtils]: 5: Hoare triple {2687#true} assume -2147483648 <= #t~nondet54 && #t~nondet54 <= 2147483647;#res := #t~nondet54;havoc #t~nondet54; {2687#true} is VALID [2020-07-08 13:20:28,754 INFO L280 TraceCheckUtils]: 6: Hoare triple {2687#true} assume true; {2687#true} is VALID [2020-07-08 13:20:28,754 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {2687#true} {2687#true} #292#return; {2687#true} is VALID [2020-07-08 13:20:28,755 INFO L280 TraceCheckUtils]: 8: Hoare triple {2687#true} assume -2147483648 <= #t~ret51 && #t~ret51 <= 2147483647;~module_get_succeeded~0 := #t~ret51;havoc #t~ret51; {2687#true} is VALID [2020-07-08 13:20:28,756 INFO L280 TraceCheckUtils]: 9: Hoare triple {2687#true} assume 1 == ~module_get_succeeded~0;~ldv_module_refcounter~0 := 1 + ~ldv_module_refcounter~0;#res := 1; {2772#(<= 1 |ldv_try_module_get_#res|)} is VALID [2020-07-08 13:20:28,757 INFO L280 TraceCheckUtils]: 10: Hoare triple {2772#(<= 1 |ldv_try_module_get_#res|)} assume true; {2772#(<= 1 |ldv_try_module_get_#res|)} is VALID [2020-07-08 13:20:28,759 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {2772#(<= 1 |ldv_try_module_get_#res|)} {2687#true} #312#return; {2767#(<= 1 |ldv_try_module_get_1_#t~ret52|)} is VALID [2020-07-08 13:20:28,787 INFO L280 TraceCheckUtils]: 12: Hoare triple {2767#(<= 1 |ldv_try_module_get_1_#t~ret52|)} assume -2147483648 <= #t~ret52 && #t~ret52 <= 2147483647;~tmp~5 := #t~ret52;havoc #t~ret52;#res := ~tmp~5; {2768#(<= 1 |ldv_try_module_get_1_#res|)} is VALID [2020-07-08 13:20:28,788 INFO L280 TraceCheckUtils]: 13: Hoare triple {2768#(<= 1 |ldv_try_module_get_1_#res|)} assume true; {2768#(<= 1 |ldv_try_module_get_1_#res|)} is VALID [2020-07-08 13:20:28,790 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {2768#(<= 1 |ldv_try_module_get_1_#res|)} {2687#true} #294#return; {2755#(<= 1 |pppox_create_#t~ret36|)} is VALID [2020-07-08 13:20:28,791 INFO L280 TraceCheckUtils]: 0: Hoare triple {2739#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~net.base, ~net.offset := #in~net.base, #in~net.offset;~sock.base, ~sock.offset := #in~sock.base, #in~sock.offset;~protocol := #in~protocol;~kern := #in~kern;havoc ~rc~1;havoc ~tmp~2;~rc~1 := -91; {2687#true} is VALID [2020-07-08 13:20:28,791 INFO L280 TraceCheckUtils]: 1: Hoare triple {2687#true} assume !(~protocol < 0); {2687#true} is VALID [2020-07-08 13:20:28,791 INFO L280 TraceCheckUtils]: 2: Hoare triple {2687#true} assume !(~protocol > 3);~rc~1 := -93;call #t~mem30.base, #t~mem30.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8); {2687#true} is VALID [2020-07-08 13:20:28,791 INFO L280 TraceCheckUtils]: 3: Hoare triple {2687#true} assume 0 == (#t~mem30.base + #t~mem30.offset) % 18446744073709551616;havoc #t~mem30.base, #t~mem30.offset;havoc #t~nondet31; {2687#true} is VALID [2020-07-08 13:20:28,792 INFO L280 TraceCheckUtils]: 4: Hoare triple {2687#true} call #t~mem33.base, #t~mem33.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8); {2687#true} is VALID [2020-07-08 13:20:28,792 INFO L280 TraceCheckUtils]: 5: Hoare triple {2687#true} assume !(0 == (#t~mem33.base + #t~mem33.offset) % 18446744073709551616);havoc #t~mem33.base, #t~mem33.offset;call #t~mem34.base, #t~mem34.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8);call #t~mem35.base, #t~mem35.offset := read~$Pointer$(#t~mem34.base, 16 + #t~mem34.offset, 8); {2687#true} is VALID [2020-07-08 13:20:28,793 INFO L263 TraceCheckUtils]: 6: Hoare triple {2687#true} call #t~ret36 := ldv_try_module_get_1(#t~mem35.base, #t~mem35.offset); {2739#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-08 13:20:28,793 INFO L280 TraceCheckUtils]: 7: Hoare triple {2739#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~module.base, ~module.offset := #in~module.base, #in~module.offset;havoc ~tmp~5; {2687#true} is VALID [2020-07-08 13:20:28,795 INFO L263 TraceCheckUtils]: 8: Hoare triple {2687#true} call #t~ret52 := ldv_try_module_get(~module.base, ~module.offset); {2739#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-08 13:20:28,795 INFO L280 TraceCheckUtils]: 9: Hoare triple {2739#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~module.base, ~module.offset := #in~module.base, #in~module.offset;havoc ~module_get_succeeded~0; {2687#true} is VALID [2020-07-08 13:20:28,795 INFO L280 TraceCheckUtils]: 10: Hoare triple {2687#true} assume 0 != (~module.base + ~module.offset) % 18446744073709551616; {2687#true} is VALID [2020-07-08 13:20:28,796 INFO L263 TraceCheckUtils]: 11: Hoare triple {2687#true} call #t~ret51 := ldv_undefined_int(); {2687#true} is VALID [2020-07-08 13:20:28,796 INFO L280 TraceCheckUtils]: 12: Hoare triple {2687#true} assume -2147483648 <= #t~nondet54 && #t~nondet54 <= 2147483647;#res := #t~nondet54;havoc #t~nondet54; {2687#true} is VALID [2020-07-08 13:20:28,796 INFO L280 TraceCheckUtils]: 13: Hoare triple {2687#true} assume true; {2687#true} is VALID [2020-07-08 13:20:28,796 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {2687#true} {2687#true} #292#return; {2687#true} is VALID [2020-07-08 13:20:28,797 INFO L280 TraceCheckUtils]: 15: Hoare triple {2687#true} assume -2147483648 <= #t~ret51 && #t~ret51 <= 2147483647;~module_get_succeeded~0 := #t~ret51;havoc #t~ret51; {2687#true} is VALID [2020-07-08 13:20:28,798 INFO L280 TraceCheckUtils]: 16: Hoare triple {2687#true} assume 1 == ~module_get_succeeded~0;~ldv_module_refcounter~0 := 1 + ~ldv_module_refcounter~0;#res := 1; {2772#(<= 1 |ldv_try_module_get_#res|)} is VALID [2020-07-08 13:20:28,799 INFO L280 TraceCheckUtils]: 17: Hoare triple {2772#(<= 1 |ldv_try_module_get_#res|)} assume true; {2772#(<= 1 |ldv_try_module_get_#res|)} is VALID [2020-07-08 13:20:28,800 INFO L275 TraceCheckUtils]: 18: Hoare quadruple {2772#(<= 1 |ldv_try_module_get_#res|)} {2687#true} #312#return; {2767#(<= 1 |ldv_try_module_get_1_#t~ret52|)} is VALID [2020-07-08 13:20:28,802 INFO L280 TraceCheckUtils]: 19: Hoare triple {2767#(<= 1 |ldv_try_module_get_1_#t~ret52|)} assume -2147483648 <= #t~ret52 && #t~ret52 <= 2147483647;~tmp~5 := #t~ret52;havoc #t~ret52;#res := ~tmp~5; {2768#(<= 1 |ldv_try_module_get_1_#res|)} is VALID [2020-07-08 13:20:28,803 INFO L280 TraceCheckUtils]: 20: Hoare triple {2768#(<= 1 |ldv_try_module_get_1_#res|)} assume true; {2768#(<= 1 |ldv_try_module_get_1_#res|)} is VALID [2020-07-08 13:20:28,805 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {2768#(<= 1 |ldv_try_module_get_1_#res|)} {2687#true} #294#return; {2755#(<= 1 |pppox_create_#t~ret36|)} is VALID [2020-07-08 13:20:28,807 INFO L280 TraceCheckUtils]: 22: Hoare triple {2755#(<= 1 |pppox_create_#t~ret36|)} assume -2147483648 <= #t~ret36 && #t~ret36 <= 2147483647;~tmp~2 := #t~ret36;havoc #t~mem34.base, #t~mem34.offset;havoc #t~ret36;havoc #t~mem35.base, #t~mem35.offset; {2756#(<= 1 pppox_create_~tmp~2)} is VALID [2020-07-08 13:20:28,808 INFO L280 TraceCheckUtils]: 23: Hoare triple {2756#(<= 1 pppox_create_~tmp~2)} assume 0 == ~tmp~2; {2688#false} is VALID [2020-07-08 13:20:28,809 INFO L280 TraceCheckUtils]: 24: Hoare triple {2688#false} #res := ~rc~1; {2688#false} is VALID [2020-07-08 13:20:28,809 INFO L280 TraceCheckUtils]: 25: Hoare triple {2688#false} assume true; {2688#false} is VALID [2020-07-08 13:20:28,809 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {2688#false} {2687#true} #286#return; {2688#false} is VALID [2020-07-08 13:20:28,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 13:20:28,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 13:20:28,825 INFO L280 TraceCheckUtils]: 0: Hoare triple {2687#true} ~arg0 := #in~arg0; {2687#true} is VALID [2020-07-08 13:20:28,826 INFO L280 TraceCheckUtils]: 1: Hoare triple {2687#true} assume true; {2687#true} is VALID [2020-07-08 13:20:28,826 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2687#true} {2687#true} #302#return; {2687#true} is VALID [2020-07-08 13:20:28,827 INFO L263 TraceCheckUtils]: 0: Hoare triple {2687#true} call sock_unregister(24); {2687#true} is VALID [2020-07-08 13:20:28,827 INFO L280 TraceCheckUtils]: 1: Hoare triple {2687#true} ~arg0 := #in~arg0; {2687#true} is VALID [2020-07-08 13:20:28,827 INFO L280 TraceCheckUtils]: 2: Hoare triple {2687#true} assume true; {2687#true} is VALID [2020-07-08 13:20:28,828 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2687#true} {2687#true} #302#return; {2687#true} is VALID [2020-07-08 13:20:28,828 INFO L280 TraceCheckUtils]: 4: Hoare triple {2687#true} assume true; {2687#true} is VALID [2020-07-08 13:20:28,828 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2687#true} {2688#false} #288#return; {2688#false} is VALID [2020-07-08 13:20:28,830 INFO L263 TraceCheckUtils]: 0: Hoare triple {2687#true} call ULTIMATE.init(); {2735#(and (= |~#pppox_protos~0.offset| |old(~#pppox_protos~0.offset)|) (= ~LDV_IN_INTERRUPT~0 |old(~LDV_IN_INTERRUPT~0)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |~#pppox_protos~0.base| |old(~#pppox_protos~0.base)|) (= |~#pppox_proto_family~0.offset| |old(~#pppox_proto_family~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |old(#length)| |#length|) (= |~#pppox_proto_family~0.base| |old(~#pppox_proto_family~0.base)|))} is VALID [2020-07-08 13:20:28,830 INFO L280 TraceCheckUtils]: 1: Hoare triple {2735#(and (= |~#pppox_protos~0.offset| |old(~#pppox_protos~0.offset)|) (= ~LDV_IN_INTERRUPT~0 |old(~LDV_IN_INTERRUPT~0)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |~#pppox_protos~0.base| |old(~#pppox_protos~0.base)|) (= |~#pppox_proto_family~0.offset| |old(~#pppox_proto_family~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |old(#length)| |#length|) (= |~#pppox_proto_family~0.base| |old(~#pppox_proto_family~0.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(15);call ~#pppox_protos~0.base, ~#pppox_protos~0.offset := #Ultimate.allocOnStack(32);call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, ~#pppox_protos~0.offset, 8);call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 8 + ~#pppox_protos~0.offset, 8);call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 16 + ~#pppox_protos~0.offset, 8);call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 24 + ~#pppox_protos~0.offset, 8);call ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset := #Ultimate.allocOnStack(20);call write~init~int(24, ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset, 4);call write~init~$Pointer$(#funAddr~pppox_create.base, #funAddr~pppox_create.offset, ~#pppox_proto_family~0.base, 4 + ~#pppox_proto_family~0.offset, 8);call write~init~$Pointer$(~#__this_module~0.base, ~#__this_module~0.offset, ~#pppox_proto_family~0.base, 12 + ~#pppox_proto_family~0.offset, 8);~LDV_IN_INTERRUPT~0 := 0;~ldv_module_refcounter~0 := 1; {2687#true} is VALID [2020-07-08 13:20:28,831 INFO L280 TraceCheckUtils]: 2: Hoare triple {2687#true} assume true; {2687#true} is VALID [2020-07-08 13:20:28,831 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2687#true} {2687#true} #314#return; {2687#true} is VALID [2020-07-08 13:20:28,831 INFO L263 TraceCheckUtils]: 4: Hoare triple {2687#true} call #t~ret58 := main(); {2687#true} is VALID [2020-07-08 13:20:28,832 INFO L280 TraceCheckUtils]: 5: Hoare triple {2687#true} havoc ~var_group1~0.base, ~var_group1~0.offset;havoc ~var_group2~0.base, ~var_group2~0.offset;havoc ~var_pppox_create_4_p2~0;havoc ~var_pppox_create_4_p3~0;havoc ~tmp~4;havoc ~tmp___0~1;havoc ~tmp___1~0;~LDV_IN_INTERRUPT~0 := 1; {2687#true} is VALID [2020-07-08 13:20:28,832 INFO L263 TraceCheckUtils]: 6: Hoare triple {2687#true} call ldv_initialize(); {2687#true} is VALID [2020-07-08 13:20:28,832 INFO L280 TraceCheckUtils]: 7: Hoare triple {2687#true} assume true; {2687#true} is VALID [2020-07-08 13:20:28,832 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {2687#true} {2687#true} #282#return; {2687#true} is VALID [2020-07-08 13:20:28,833 INFO L263 TraceCheckUtils]: 9: Hoare triple {2687#true} call #t~ret47 := pppox_init(); {2687#true} is VALID [2020-07-08 13:20:28,833 INFO L280 TraceCheckUtils]: 10: Hoare triple {2687#true} havoc ~tmp~3; {2687#true} is VALID [2020-07-08 13:20:28,833 INFO L263 TraceCheckUtils]: 11: Hoare triple {2687#true} call #t~ret46 := sock_register(~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset); {2687#true} is VALID [2020-07-08 13:20:28,834 INFO L280 TraceCheckUtils]: 12: Hoare triple {2687#true} ~arg0.base, ~arg0.offset := #in~arg0.base, #in~arg0.offset;assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647;#res := #t~nondet56;havoc #t~nondet56; {2687#true} is VALID [2020-07-08 13:20:28,834 INFO L280 TraceCheckUtils]: 13: Hoare triple {2687#true} assume true; {2687#true} is VALID [2020-07-08 13:20:28,834 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {2687#true} {2687#true} #308#return; {2687#true} is VALID [2020-07-08 13:20:28,834 INFO L280 TraceCheckUtils]: 15: Hoare triple {2687#true} assume -2147483648 <= #t~ret46 && #t~ret46 <= 2147483647;~tmp~3 := #t~ret46;havoc #t~ret46;#res := ~tmp~3; {2687#true} is VALID [2020-07-08 13:20:28,835 INFO L280 TraceCheckUtils]: 16: Hoare triple {2687#true} assume true; {2687#true} is VALID [2020-07-08 13:20:28,835 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {2687#true} {2687#true} #284#return; {2687#true} is VALID [2020-07-08 13:20:28,835 INFO L280 TraceCheckUtils]: 18: Hoare triple {2687#true} assume -2147483648 <= #t~ret47 && #t~ret47 <= 2147483647;~tmp~4 := #t~ret47;havoc #t~ret47; {2687#true} is VALID [2020-07-08 13:20:28,835 INFO L280 TraceCheckUtils]: 19: Hoare triple {2687#true} assume !(0 != ~tmp~4); {2687#true} is VALID [2020-07-08 13:20:28,836 INFO L280 TraceCheckUtils]: 20: Hoare triple {2687#true} assume -2147483648 <= #t~nondet50 && #t~nondet50 <= 2147483647;~tmp___1~0 := #t~nondet50;havoc #t~nondet50; {2687#true} is VALID [2020-07-08 13:20:28,836 INFO L280 TraceCheckUtils]: 21: Hoare triple {2687#true} assume 0 != ~tmp___1~0; {2687#true} is VALID [2020-07-08 13:20:28,836 INFO L280 TraceCheckUtils]: 22: Hoare triple {2687#true} assume -2147483648 <= #t~nondet48 && #t~nondet48 <= 2147483647;~tmp___0~1 := #t~nondet48;havoc #t~nondet48; {2687#true} is VALID [2020-07-08 13:20:28,836 INFO L280 TraceCheckUtils]: 23: Hoare triple {2687#true} assume 0 == ~tmp___0~1; {2687#true} is VALID [2020-07-08 13:20:28,838 INFO L263 TraceCheckUtils]: 24: Hoare triple {2687#true} call #t~ret49 := pppox_create(~var_group1~0.base, ~var_group1~0.offset, ~var_group2~0.base, ~var_group2~0.offset, ~var_pppox_create_4_p2~0, ~var_pppox_create_4_p3~0); {2739#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-08 13:20:28,839 INFO L280 TraceCheckUtils]: 25: Hoare triple {2739#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~net.base, ~net.offset := #in~net.base, #in~net.offset;~sock.base, ~sock.offset := #in~sock.base, #in~sock.offset;~protocol := #in~protocol;~kern := #in~kern;havoc ~rc~1;havoc ~tmp~2;~rc~1 := -91; {2687#true} is VALID [2020-07-08 13:20:28,839 INFO L280 TraceCheckUtils]: 26: Hoare triple {2687#true} assume !(~protocol < 0); {2687#true} is VALID [2020-07-08 13:20:28,839 INFO L280 TraceCheckUtils]: 27: Hoare triple {2687#true} assume !(~protocol > 3);~rc~1 := -93;call #t~mem30.base, #t~mem30.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8); {2687#true} is VALID [2020-07-08 13:20:28,839 INFO L280 TraceCheckUtils]: 28: Hoare triple {2687#true} assume 0 == (#t~mem30.base + #t~mem30.offset) % 18446744073709551616;havoc #t~mem30.base, #t~mem30.offset;havoc #t~nondet31; {2687#true} is VALID [2020-07-08 13:20:28,839 INFO L280 TraceCheckUtils]: 29: Hoare triple {2687#true} call #t~mem33.base, #t~mem33.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8); {2687#true} is VALID [2020-07-08 13:20:28,840 INFO L280 TraceCheckUtils]: 30: Hoare triple {2687#true} assume !(0 == (#t~mem33.base + #t~mem33.offset) % 18446744073709551616);havoc #t~mem33.base, #t~mem33.offset;call #t~mem34.base, #t~mem34.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8);call #t~mem35.base, #t~mem35.offset := read~$Pointer$(#t~mem34.base, 16 + #t~mem34.offset, 8); {2687#true} is VALID [2020-07-08 13:20:28,841 INFO L263 TraceCheckUtils]: 31: Hoare triple {2687#true} call #t~ret36 := ldv_try_module_get_1(#t~mem35.base, #t~mem35.offset); {2739#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-08 13:20:28,841 INFO L280 TraceCheckUtils]: 32: Hoare triple {2739#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~module.base, ~module.offset := #in~module.base, #in~module.offset;havoc ~tmp~5; {2687#true} is VALID [2020-07-08 13:20:28,843 INFO L263 TraceCheckUtils]: 33: Hoare triple {2687#true} call #t~ret52 := ldv_try_module_get(~module.base, ~module.offset); {2739#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-08 13:20:28,843 INFO L280 TraceCheckUtils]: 34: Hoare triple {2739#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~module.base, ~module.offset := #in~module.base, #in~module.offset;havoc ~module_get_succeeded~0; {2687#true} is VALID [2020-07-08 13:20:28,843 INFO L280 TraceCheckUtils]: 35: Hoare triple {2687#true} assume 0 != (~module.base + ~module.offset) % 18446744073709551616; {2687#true} is VALID [2020-07-08 13:20:28,844 INFO L263 TraceCheckUtils]: 36: Hoare triple {2687#true} call #t~ret51 := ldv_undefined_int(); {2687#true} is VALID [2020-07-08 13:20:28,844 INFO L280 TraceCheckUtils]: 37: Hoare triple {2687#true} assume -2147483648 <= #t~nondet54 && #t~nondet54 <= 2147483647;#res := #t~nondet54;havoc #t~nondet54; {2687#true} is VALID [2020-07-08 13:20:28,844 INFO L280 TraceCheckUtils]: 38: Hoare triple {2687#true} assume true; {2687#true} is VALID [2020-07-08 13:20:28,844 INFO L275 TraceCheckUtils]: 39: Hoare quadruple {2687#true} {2687#true} #292#return; {2687#true} is VALID [2020-07-08 13:20:28,845 INFO L280 TraceCheckUtils]: 40: Hoare triple {2687#true} assume -2147483648 <= #t~ret51 && #t~ret51 <= 2147483647;~module_get_succeeded~0 := #t~ret51;havoc #t~ret51; {2687#true} is VALID [2020-07-08 13:20:28,845 INFO L280 TraceCheckUtils]: 41: Hoare triple {2687#true} assume 1 == ~module_get_succeeded~0;~ldv_module_refcounter~0 := 1 + ~ldv_module_refcounter~0;#res := 1; {2772#(<= 1 |ldv_try_module_get_#res|)} is VALID [2020-07-08 13:20:28,846 INFO L280 TraceCheckUtils]: 42: Hoare triple {2772#(<= 1 |ldv_try_module_get_#res|)} assume true; {2772#(<= 1 |ldv_try_module_get_#res|)} is VALID [2020-07-08 13:20:28,847 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {2772#(<= 1 |ldv_try_module_get_#res|)} {2687#true} #312#return; {2767#(<= 1 |ldv_try_module_get_1_#t~ret52|)} is VALID [2020-07-08 13:20:28,849 INFO L280 TraceCheckUtils]: 44: Hoare triple {2767#(<= 1 |ldv_try_module_get_1_#t~ret52|)} assume -2147483648 <= #t~ret52 && #t~ret52 <= 2147483647;~tmp~5 := #t~ret52;havoc #t~ret52;#res := ~tmp~5; {2768#(<= 1 |ldv_try_module_get_1_#res|)} is VALID [2020-07-08 13:20:28,849 INFO L280 TraceCheckUtils]: 45: Hoare triple {2768#(<= 1 |ldv_try_module_get_1_#res|)} assume true; {2768#(<= 1 |ldv_try_module_get_1_#res|)} is VALID [2020-07-08 13:20:28,851 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {2768#(<= 1 |ldv_try_module_get_1_#res|)} {2687#true} #294#return; {2755#(<= 1 |pppox_create_#t~ret36|)} is VALID [2020-07-08 13:20:28,852 INFO L280 TraceCheckUtils]: 47: Hoare triple {2755#(<= 1 |pppox_create_#t~ret36|)} assume -2147483648 <= #t~ret36 && #t~ret36 <= 2147483647;~tmp~2 := #t~ret36;havoc #t~mem34.base, #t~mem34.offset;havoc #t~ret36;havoc #t~mem35.base, #t~mem35.offset; {2756#(<= 1 pppox_create_~tmp~2)} is VALID [2020-07-08 13:20:28,852 INFO L280 TraceCheckUtils]: 48: Hoare triple {2756#(<= 1 pppox_create_~tmp~2)} assume 0 == ~tmp~2; {2688#false} is VALID [2020-07-08 13:20:28,853 INFO L280 TraceCheckUtils]: 49: Hoare triple {2688#false} #res := ~rc~1; {2688#false} is VALID [2020-07-08 13:20:28,853 INFO L280 TraceCheckUtils]: 50: Hoare triple {2688#false} assume true; {2688#false} is VALID [2020-07-08 13:20:28,853 INFO L275 TraceCheckUtils]: 51: Hoare quadruple {2688#false} {2687#true} #286#return; {2688#false} is VALID [2020-07-08 13:20:28,853 INFO L280 TraceCheckUtils]: 52: Hoare triple {2688#false} assume -2147483648 <= #t~ret49 && #t~ret49 <= 2147483647;havoc #t~ret49; {2688#false} is VALID [2020-07-08 13:20:28,854 INFO L280 TraceCheckUtils]: 53: Hoare triple {2688#false} assume -2147483648 <= #t~nondet50 && #t~nondet50 <= 2147483647;~tmp___1~0 := #t~nondet50;havoc #t~nondet50; {2688#false} is VALID [2020-07-08 13:20:28,854 INFO L280 TraceCheckUtils]: 54: Hoare triple {2688#false} assume !(0 != ~tmp___1~0); {2688#false} is VALID [2020-07-08 13:20:28,854 INFO L263 TraceCheckUtils]: 55: Hoare triple {2688#false} call pppox_exit(); {2687#true} is VALID [2020-07-08 13:20:28,855 INFO L263 TraceCheckUtils]: 56: Hoare triple {2687#true} call sock_unregister(24); {2687#true} is VALID [2020-07-08 13:20:28,855 INFO L280 TraceCheckUtils]: 57: Hoare triple {2687#true} ~arg0 := #in~arg0; {2687#true} is VALID [2020-07-08 13:20:28,855 INFO L280 TraceCheckUtils]: 58: Hoare triple {2687#true} assume true; {2687#true} is VALID [2020-07-08 13:20:28,855 INFO L275 TraceCheckUtils]: 59: Hoare quadruple {2687#true} {2687#true} #302#return; {2687#true} is VALID [2020-07-08 13:20:28,855 INFO L280 TraceCheckUtils]: 60: Hoare triple {2687#true} assume true; {2687#true} is VALID [2020-07-08 13:20:28,856 INFO L275 TraceCheckUtils]: 61: Hoare quadruple {2687#true} {2688#false} #288#return; {2688#false} is VALID [2020-07-08 13:20:28,856 INFO L263 TraceCheckUtils]: 62: Hoare triple {2688#false} call ldv_check_final_state(); {2688#false} is VALID [2020-07-08 13:20:28,856 INFO L280 TraceCheckUtils]: 63: Hoare triple {2688#false} assume 1 != ~ldv_module_refcounter~0; {2688#false} is VALID [2020-07-08 13:20:28,856 INFO L263 TraceCheckUtils]: 64: Hoare triple {2688#false} call ldv_blast_assert(); {2688#false} is VALID [2020-07-08 13:20:28,856 INFO L280 TraceCheckUtils]: 65: Hoare triple {2688#false} assume !false; {2688#false} is VALID [2020-07-08 13:20:28,861 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 13:20:28,862 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897918031] [2020-07-08 13:20:28,862 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 13:20:28,862 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-08 13:20:28,862 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791996183] [2020-07-08 13:20:28,863 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 66 [2020-07-08 13:20:28,864 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 13:20:28,864 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-08 13:20:28,937 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 66 edges. 66 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 13:20:28,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-08 13:20:28,937 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 13:20:28,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-08 13:20:28,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-07-08 13:20:28,938 INFO L87 Difference]: Start difference. First operand 125 states and 144 transitions. Second operand 9 states. [2020-07-08 13:20:30,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 13:20:30,973 INFO L93 Difference]: Finished difference Result 201 states and 231 transitions. [2020-07-08 13:20:30,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-08 13:20:30,973 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 66 [2020-07-08 13:20:30,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 13:20:30,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-08 13:20:30,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 187 transitions. [2020-07-08 13:20:30,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-08 13:20:30,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 187 transitions. [2020-07-08 13:20:30,983 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 187 transitions. [2020-07-08 13:20:31,279 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 187 edges. 187 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 13:20:31,282 INFO L225 Difference]: With dead ends: 201 [2020-07-08 13:20:31,282 INFO L226 Difference]: Without dead ends: 129 [2020-07-08 13:20:31,283 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-07-08 13:20:31,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-07-08 13:20:31,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 125. [2020-07-08 13:20:31,511 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 13:20:31,511 INFO L82 GeneralOperation]: Start isEquivalent. First operand 129 states. Second operand 125 states. [2020-07-08 13:20:31,512 INFO L74 IsIncluded]: Start isIncluded. First operand 129 states. Second operand 125 states. [2020-07-08 13:20:31,512 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 125 states. [2020-07-08 13:20:31,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 13:20:31,518 INFO L93 Difference]: Finished difference Result 129 states and 147 transitions. [2020-07-08 13:20:31,518 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 147 transitions. [2020-07-08 13:20:31,518 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 13:20:31,519 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 13:20:31,519 INFO L74 IsIncluded]: Start isIncluded. First operand 125 states. Second operand 129 states. [2020-07-08 13:20:31,519 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 129 states. [2020-07-08 13:20:31,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 13:20:31,526 INFO L93 Difference]: Finished difference Result 129 states and 147 transitions. [2020-07-08 13:20:31,526 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 147 transitions. [2020-07-08 13:20:31,527 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 13:20:31,527 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 13:20:31,527 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 13:20:31,527 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 13:20:31,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-07-08 13:20:31,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 143 transitions. [2020-07-08 13:20:31,532 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 143 transitions. Word has length 66 [2020-07-08 13:20:31,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 13:20:31,533 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 143 transitions. [2020-07-08 13:20:31,533 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-08 13:20:31,533 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 143 transitions. [2020-07-08 13:20:31,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-07-08 13:20:31,536 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 13:20:31,537 INFO L422 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] [2020-07-08 13:20:31,537 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-08 13:20:31,537 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 13:20:31,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 13:20:31,538 INFO L82 PathProgramCache]: Analyzing trace with hash -167984647, now seen corresponding path program 1 times [2020-07-08 13:20:31,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 13:20:31,538 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747517070] [2020-07-08 13:20:31,539 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 13:20:31,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 13:20:31,628 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-08 13:20:31,630 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError at de.uni_freiburg.informatik.ultimate.smtinterpol.proof.FixResolutionProof.fix(FixResolutionProof.java:191) at de.uni_freiburg.informatik.ultimate.smtinterpol.proof.ProofTermGenerator.convert(ProofTermGenerator.java:150) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getProof(SMTInterpol.java:799) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:883) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:332) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:332) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:337) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:239) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-08 13:20:31,637 INFO L168 Benchmark]: Toolchain (without parser) took 17220.59 ms. Allocated memory was 147.3 MB in the beginning and 469.2 MB in the end (delta: 321.9 MB). Free memory was 97.4 MB in the beginning and 182.8 MB in the end (delta: -85.3 MB). Peak memory consumption was 236.6 MB. Max. memory is 7.1 GB. [2020-07-08 13:20:31,638 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 147.3 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-08 13:20:31,640 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1420.72 ms. Allocated memory was 147.3 MB in the beginning and 208.7 MB in the end (delta: 61.3 MB). Free memory was 97.2 MB in the beginning and 129.1 MB in the end (delta: -31.9 MB). Peak memory consumption was 38.8 MB. Max. memory is 7.1 GB. [2020-07-08 13:20:31,642 INFO L168 Benchmark]: Boogie Preprocessor took 131.66 ms. Allocated memory is still 208.7 MB. Free memory was 129.1 MB in the beginning and 124.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-08 13:20:31,648 INFO L168 Benchmark]: RCFGBuilder took 1161.17 ms. Allocated memory was 208.7 MB in the beginning and 241.2 MB in the end (delta: 32.5 MB). Free memory was 124.9 MB in the beginning and 140.2 MB in the end (delta: -15.3 MB). Peak memory consumption was 44.4 MB. Max. memory is 7.1 GB. [2020-07-08 13:20:31,649 INFO L168 Benchmark]: TraceAbstraction took 14501.63 ms. Allocated memory was 241.2 MB in the beginning and 469.2 MB in the end (delta: 228.1 MB). Free memory was 140.2 MB in the beginning and 182.8 MB in the end (delta: -42.6 MB). Peak memory consumption was 185.5 MB. Max. memory is 7.1 GB. [2020-07-08 13:20:31,656 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 147.3 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1420.72 ms. Allocated memory was 147.3 MB in the beginning and 208.7 MB in the end (delta: 61.3 MB). Free memory was 97.2 MB in the beginning and 129.1 MB in the end (delta: -31.9 MB). Peak memory consumption was 38.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 131.66 ms. Allocated memory is still 208.7 MB. Free memory was 129.1 MB in the beginning and 124.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1161.17 ms. Allocated memory was 208.7 MB in the beginning and 241.2 MB in the end (delta: 32.5 MB). Free memory was 124.9 MB in the beginning and 140.2 MB in the end (delta: -15.3 MB). Peak memory consumption was 44.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14501.63 ms. Allocated memory was 241.2 MB in the beginning and 469.2 MB in the end (delta: 228.1 MB). Free memory was 140.2 MB in the beginning and 182.8 MB in the end (delta: -42.6 MB). Peak memory consumption was 185.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: null: de.uni_freiburg.informatik.ultimate.smtinterpol.proof.FixResolutionProof.fix(FixResolutionProof.java:191) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...