/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_64.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 07:17:13,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 07:17:13,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 07:17:13,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 07:17:13,099 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 07:17:13,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 07:17:13,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 07:17:13,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 07:17:13,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 07:17:13,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 07:17:13,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 07:17:13,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 07:17:13,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 07:17:13,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 07:17:13,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 07:17:13,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 07:17:13,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 07:17:13,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 07:17:13,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 07:17:13,117 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 07:17:13,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 07:17:13,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 07:17:13,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 07:17:13,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 07:17:13,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-18 07:17:13,124 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-18 07:17:13,124 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-18 07:17:13,125 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-18 07:17:13,126 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-18 07:17:13,127 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-18 07:17:13,127 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 07:17:13,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 07:17:13,128 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 07:17:13,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 07:17:13,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 07:17:13,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 07:17:13,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 07:17:13,131 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 07:17:13,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 07:17:13,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 07:17:13,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 07:17:13,134 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_64.epf [2020-07-18 07:17:13,144 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 07:17:13,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 07:17:13,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 07:17:13,145 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 07:17:13,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 07:17:13,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 07:17:13,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 07:17:13,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 07:17:13,146 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 07:17:13,147 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 07:17:13,147 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 07:17:13,147 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 07:17:13,147 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 07:17:13,147 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 07:17:13,148 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 07:17:13,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 07:17:13,148 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 07:17:13,148 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 07:17:13,148 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 07:17:13,149 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-18 07:17:13,483 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 07:17:13,498 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 07:17:13,502 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 07:17:13,503 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 07:17:13,503 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 07:17:13,504 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2020-07-18 07:17:13,569 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29ec882a5/2d0dd0fccc3b4a04b58a0f6f32cb2345/FLAG22251d7cb [2020-07-18 07:17:14,325 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 07:17:14,326 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2020-07-18 07:17:14,367 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29ec882a5/2d0dd0fccc3b4a04b58a0f6f32cb2345/FLAG22251d7cb [2020-07-18 07:17:14,447 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29ec882a5/2d0dd0fccc3b4a04b58a0f6f32cb2345 [2020-07-18 07:17:14,457 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 07:17:14,460 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 07:17:14,461 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 07:17:14,461 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 07:17:14,465 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 07:17:14,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 07:17:14" (1/1) ... [2020-07-18 07:17:14,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50911427 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 07:17:14, skipping insertion in model container [2020-07-18 07:17:14,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 07:17:14" (1/1) ... [2020-07-18 07:17:14,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 07:17:14,575 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 07:17:15,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 07:17:15,471 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 07:17:15,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 07:17:15,831 INFO L208 MainTranslator]: Completed translation [2020-07-18 07:17:15,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 07:17:15 WrapperNode [2020-07-18 07:17:15,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 07:17:15,834 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 07:17:15,834 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 07:17:15,834 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 07:17:15,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 07:17:15" (1/1) ... [2020-07-18 07:17:15,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 07:17:15" (1/1) ... [2020-07-18 07:17:15,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 07:17:15" (1/1) ... [2020-07-18 07:17:15,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 07:17:15" (1/1) ... [2020-07-18 07:17:15,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 07:17:15" (1/1) ... [2020-07-18 07:17:15,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 07:17:15" (1/1) ... [2020-07-18 07:17:15,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 07:17:15" (1/1) ... [2020-07-18 07:17:15,959 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 07:17:15,960 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 07:17:15,960 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 07:17:15,960 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 07:17:15,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 07:17:15" (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 [2020-07-18 07:17:16,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 07:17:16,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 07:17:16,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-07-18 07:17:16,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-07-18 07:17:16,068 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock [2020-07-18 07:17:16,068 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_sk [2020-07-18 07:17:16,068 INFO L138 BoogieDeclarations]: Found implementation of procedure register_pppox_proto [2020-07-18 07:17:16,068 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pppox_proto [2020-07-18 07:17:16,069 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_unbind_sock [2020-07-18 07:17:16,069 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_ioctl [2020-07-18 07:17:16,069 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_create [2020-07-18 07:17:16,069 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_init [2020-07-18 07:17:16,069 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_exit [2020-07-18 07:17:16,069 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 07:17:16,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2020-07-18 07:17:16,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2020-07-18 07:17:16,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2020-07-18 07:17:16,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2020-07-18 07:17:16,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2020-07-18 07:17:16,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2020-07-18 07:17:16,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-07-18 07:17:16,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_1 [2020-07-18 07:17:16,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_2 [2020-07-18 07:17:16,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2020-07-18 07:17:16,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-07-18 07:17:16,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_int [2020-07-18 07:17:16,075 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock_nested [2020-07-18 07:17:16,075 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-07-18 07:17:16,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2020-07-18 07:17:16,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2020-07-18 07:17:16,076 INFO L138 BoogieDeclarations]: Found implementation of procedure release_sock [2020-07-18 07:17:16,076 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_register [2020-07-18 07:17:16,076 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_unregister [2020-07-18 07:17:16,076 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-07-18 07:17:16,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 07:17:16,077 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-07-18 07:17:16,078 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2020-07-18 07:17:16,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_1 [2020-07-18 07:17:16,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_2 [2020-07-18 07:17:16,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2020-07-18 07:17:16,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2020-07-18 07:17:16,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2020-07-18 07:17:16,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2020-07-18 07:17:16,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2020-07-18 07:17:16,079 INFO L130 BoogieDeclarations]: Found specification of procedure sock_register [2020-07-18 07:17:16,079 INFO L130 BoogieDeclarations]: Found specification of procedure sock_unregister [2020-07-18 07:17:16,079 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2020-07-18 07:17:16,080 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2020-07-18 07:17:16,080 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock_nested [2020-07-18 07:17:16,080 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock [2020-07-18 07:17:16,080 INFO L130 BoogieDeclarations]: Found specification of procedure release_sock [2020-07-18 07:17:16,080 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_sk [2020-07-18 07:17:16,080 INFO L130 BoogieDeclarations]: Found specification of procedure register_pppox_proto [2020-07-18 07:17:16,081 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pppox_proto [2020-07-18 07:17:16,081 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_unbind_sock [2020-07-18 07:17:16,081 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_ioctl [2020-07-18 07:17:16,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-18 07:17:16,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-18 07:17:16,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 07:17:16,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 07:17:16,082 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-07-18 07:17:16,082 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_create [2020-07-18 07:17:16,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-18 07:17:16,083 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-07-18 07:17:16,083 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_init [2020-07-18 07:17:16,083 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_exit [2020-07-18 07:17:16,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-07-18 07:17:16,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-07-18 07:17:16,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-18 07:17:16,084 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 07:17:16,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2020-07-18 07:17:16,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_int [2020-07-18 07:17:16,084 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-18 07:17:16,084 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-07-18 07:17:16,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 07:17:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 07:17:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-07-18 07:17:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-18 07:17:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 07:17:16,504 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-18 07:17:16,733 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2020-07-18 07:17:16,734 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2020-07-18 07:17:16,734 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-07-18 07:17:16,734 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-07-18 07:17:16,735 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-18 07:17:16,795 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2020-07-18 07:17:16,796 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2020-07-18 07:17:17,052 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2020-07-18 07:17:17,337 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 07:17:17,338 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-18 07:17:17,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 07:17:17 BoogieIcfgContainer [2020-07-18 07:17:17,344 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 07:17:17,345 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 07:17:17,346 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 07:17:17,350 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 07:17:17,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 07:17:14" (1/3) ... [2020-07-18 07:17:17,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ab4ab97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 07:17:17, skipping insertion in model container [2020-07-18 07:17:17,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 07:17:15" (2/3) ... [2020-07-18 07:17:17,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ab4ab97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 07:17:17, skipping insertion in model container [2020-07-18 07:17:17,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 07:17:17" (3/3) ... [2020-07-18 07:17:17,354 INFO L109 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-pppox.ko.cil.out.i [2020-07-18 07:17:17,366 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 07:17:17,375 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 07:17:17,391 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 07:17:17,417 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 07:17:17,417 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 07:17:17,417 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-18 07:17:17,417 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 07:17:17,418 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 07:17:17,418 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 07:17:17,418 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 07:17:17,418 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 07:17:17,438 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-07-18 07:17:17,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-18 07:17:17,452 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 07:17:17,454 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] [2020-07-18 07:17:17,454 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 07:17:17,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 07:17:17,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1095303050, now seen corresponding path program 1 times [2020-07-18 07:17:17,471 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 07:17:17,472 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [972540792] [2020-07-18 07:17:17,472 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 07:17:17,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 07:17:17,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 07:17:18,048 INFO L280 TraceCheckUtils]: 0: Hoare triple {208#(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; {172#true} is VALID [2020-07-18 07:17:18,049 INFO L280 TraceCheckUtils]: 1: Hoare triple {172#true} #valid := #valid[0 := 0]; {172#true} is VALID [2020-07-18 07:17:18,049 INFO L280 TraceCheckUtils]: 2: Hoare triple {172#true} assume 0 < #StackHeapBarrier; {172#true} is VALID [2020-07-18 07:17:18,050 INFO L280 TraceCheckUtils]: 3: Hoare triple {172#true} SUMMARY for call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(15); srcloc: L4876 {172#true} is VALID [2020-07-18 07:17:18,050 INFO L280 TraceCheckUtils]: 4: Hoare triple {172#true} SUMMARY for call ~#pppox_protos~0.base, ~#pppox_protos~0.offset := #Ultimate.allocOnStack(32); srcloc: L4876-1 {172#true} is VALID [2020-07-18 07:17:18,051 INFO L280 TraceCheckUtils]: 5: Hoare triple {172#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, ~#pppox_protos~0.offset, 8); srcloc: L4728 {172#true} is VALID [2020-07-18 07:17:18,051 INFO L280 TraceCheckUtils]: 6: Hoare triple {172#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 8 + ~#pppox_protos~0.offset, 8); srcloc: L4728-1 {172#true} is VALID [2020-07-18 07:17:18,052 INFO L280 TraceCheckUtils]: 7: Hoare triple {172#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 16 + ~#pppox_protos~0.offset, 8); srcloc: L4728-2 {172#true} is VALID [2020-07-18 07:17:18,052 INFO L280 TraceCheckUtils]: 8: Hoare triple {172#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 24 + ~#pppox_protos~0.offset, 8); srcloc: L4728-3 {172#true} is VALID [2020-07-18 07:17:18,053 INFO L280 TraceCheckUtils]: 9: Hoare triple {172#true} SUMMARY for call ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset := #Ultimate.allocOnStack(20); srcloc: L4728-4 {172#true} is VALID [2020-07-18 07:17:18,053 INFO L280 TraceCheckUtils]: 10: Hoare triple {172#true} SUMMARY for call write~init~int(24, ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset, 4); srcloc: L4899 {172#true} is VALID [2020-07-18 07:17:18,053 INFO L280 TraceCheckUtils]: 11: Hoare triple {172#true} SUMMARY for call write~init~$Pointer$(#funAddr~pppox_create.base, #funAddr~pppox_create.offset, ~#pppox_proto_family~0.base, 4 + ~#pppox_proto_family~0.offset, 8); srcloc: L4899-1 {172#true} is VALID [2020-07-18 07:17:18,054 INFO L280 TraceCheckUtils]: 12: Hoare triple {172#true} SUMMARY for call write~init~$Pointer$(~#__this_module~0.base, ~#__this_module~0.offset, ~#pppox_proto_family~0.base, 12 + ~#pppox_proto_family~0.offset, 8); srcloc: L4899-2 {172#true} is VALID [2020-07-18 07:17:18,054 INFO L280 TraceCheckUtils]: 13: Hoare triple {172#true} ~LDV_IN_INTERRUPT~0 := 0; {172#true} is VALID [2020-07-18 07:17:18,056 INFO L280 TraceCheckUtils]: 14: Hoare triple {172#true} ~ldv_module_refcounter~0 := 1; {191#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:18,057 INFO L280 TraceCheckUtils]: 15: Hoare triple {191#(= 1 ~ldv_module_refcounter~0)} assume true; {191#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:18,058 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {191#(= 1 ~ldv_module_refcounter~0)} {172#true} #461#return; {191#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 07:17:18,074 INFO L280 TraceCheckUtils]: 0: Hoare triple {172#true} assume true; {172#true} is VALID [2020-07-18 07:17:18,076 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {172#true} {191#(= 1 ~ldv_module_refcounter~0)} #429#return; {191#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:18,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 07:17:18,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 07:17:18,110 INFO L280 TraceCheckUtils]: 0: Hoare triple {172#true} ~arg0.base, ~arg0.offset := #in~arg0.base, #in~arg0.offset; {172#true} is VALID [2020-07-18 07:17:18,111 INFO L280 TraceCheckUtils]: 1: Hoare triple {172#true} assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647; {172#true} is VALID [2020-07-18 07:17:18,111 INFO L280 TraceCheckUtils]: 2: Hoare triple {172#true} #res := #t~nondet56; {172#true} is VALID [2020-07-18 07:17:18,112 INFO L280 TraceCheckUtils]: 3: Hoare triple {172#true} havoc #t~nondet56; {172#true} is VALID [2020-07-18 07:17:18,112 INFO L280 TraceCheckUtils]: 4: Hoare triple {172#true} assume true; {172#true} is VALID [2020-07-18 07:17:18,113 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {172#true} {172#true} #455#return; {172#true} is VALID [2020-07-18 07:17:18,113 INFO L280 TraceCheckUtils]: 0: Hoare triple {172#true} havoc ~tmp~3; {172#true} is VALID [2020-07-18 07:17:18,114 INFO L263 TraceCheckUtils]: 1: Hoare triple {172#true} call #t~ret46 := sock_register(~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset); {172#true} is VALID [2020-07-18 07:17:18,114 INFO L280 TraceCheckUtils]: 2: Hoare triple {172#true} ~arg0.base, ~arg0.offset := #in~arg0.base, #in~arg0.offset; {172#true} is VALID [2020-07-18 07:17:18,114 INFO L280 TraceCheckUtils]: 3: Hoare triple {172#true} assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647; {172#true} is VALID [2020-07-18 07:17:18,115 INFO L280 TraceCheckUtils]: 4: Hoare triple {172#true} #res := #t~nondet56; {172#true} is VALID [2020-07-18 07:17:18,115 INFO L280 TraceCheckUtils]: 5: Hoare triple {172#true} havoc #t~nondet56; {172#true} is VALID [2020-07-18 07:17:18,116 INFO L280 TraceCheckUtils]: 6: Hoare triple {172#true} assume true; {172#true} is VALID [2020-07-18 07:17:18,116 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {172#true} {172#true} #455#return; {172#true} is VALID [2020-07-18 07:17:18,116 INFO L280 TraceCheckUtils]: 8: Hoare triple {172#true} assume -2147483648 <= #t~ret46 && #t~ret46 <= 2147483647; {172#true} is VALID [2020-07-18 07:17:18,117 INFO L280 TraceCheckUtils]: 9: Hoare triple {172#true} ~tmp~3 := #t~ret46; {172#true} is VALID [2020-07-18 07:17:18,117 INFO L280 TraceCheckUtils]: 10: Hoare triple {172#true} havoc #t~ret46; {172#true} is VALID [2020-07-18 07:17:18,118 INFO L280 TraceCheckUtils]: 11: Hoare triple {172#true} #res := ~tmp~3; {172#true} is VALID [2020-07-18 07:17:18,118 INFO L280 TraceCheckUtils]: 12: Hoare triple {172#true} assume true; {172#true} is VALID [2020-07-18 07:17:18,122 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {172#true} {191#(= 1 ~ldv_module_refcounter~0)} #431#return; {191#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:18,125 INFO L263 TraceCheckUtils]: 0: Hoare triple {172#true} call ULTIMATE.init(); {208#(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 [2020-07-18 07:17:18,126 INFO L280 TraceCheckUtils]: 1: Hoare triple {208#(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; {172#true} is VALID [2020-07-18 07:17:18,126 INFO L280 TraceCheckUtils]: 2: Hoare triple {172#true} #valid := #valid[0 := 0]; {172#true} is VALID [2020-07-18 07:17:18,126 INFO L280 TraceCheckUtils]: 3: Hoare triple {172#true} assume 0 < #StackHeapBarrier; {172#true} is VALID [2020-07-18 07:17:18,127 INFO L280 TraceCheckUtils]: 4: Hoare triple {172#true} SUMMARY for call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(15); srcloc: L4876 {172#true} is VALID [2020-07-18 07:17:18,127 INFO L280 TraceCheckUtils]: 5: Hoare triple {172#true} SUMMARY for call ~#pppox_protos~0.base, ~#pppox_protos~0.offset := #Ultimate.allocOnStack(32); srcloc: L4876-1 {172#true} is VALID [2020-07-18 07:17:18,127 INFO L280 TraceCheckUtils]: 6: Hoare triple {172#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, ~#pppox_protos~0.offset, 8); srcloc: L4728 {172#true} is VALID [2020-07-18 07:17:18,128 INFO L280 TraceCheckUtils]: 7: Hoare triple {172#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 8 + ~#pppox_protos~0.offset, 8); srcloc: L4728-1 {172#true} is VALID [2020-07-18 07:17:18,128 INFO L280 TraceCheckUtils]: 8: Hoare triple {172#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 16 + ~#pppox_protos~0.offset, 8); srcloc: L4728-2 {172#true} is VALID [2020-07-18 07:17:18,129 INFO L280 TraceCheckUtils]: 9: Hoare triple {172#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 24 + ~#pppox_protos~0.offset, 8); srcloc: L4728-3 {172#true} is VALID [2020-07-18 07:17:18,129 INFO L280 TraceCheckUtils]: 10: Hoare triple {172#true} SUMMARY for call ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset := #Ultimate.allocOnStack(20); srcloc: L4728-4 {172#true} is VALID [2020-07-18 07:17:18,129 INFO L280 TraceCheckUtils]: 11: Hoare triple {172#true} SUMMARY for call write~init~int(24, ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset, 4); srcloc: L4899 {172#true} is VALID [2020-07-18 07:17:18,130 INFO L280 TraceCheckUtils]: 12: Hoare triple {172#true} SUMMARY for call write~init~$Pointer$(#funAddr~pppox_create.base, #funAddr~pppox_create.offset, ~#pppox_proto_family~0.base, 4 + ~#pppox_proto_family~0.offset, 8); srcloc: L4899-1 {172#true} is VALID [2020-07-18 07:17:18,130 INFO L280 TraceCheckUtils]: 13: Hoare triple {172#true} SUMMARY for call write~init~$Pointer$(~#__this_module~0.base, ~#__this_module~0.offset, ~#pppox_proto_family~0.base, 12 + ~#pppox_proto_family~0.offset, 8); srcloc: L4899-2 {172#true} is VALID [2020-07-18 07:17:18,130 INFO L280 TraceCheckUtils]: 14: Hoare triple {172#true} ~LDV_IN_INTERRUPT~0 := 0; {172#true} is VALID [2020-07-18 07:17:18,132 INFO L280 TraceCheckUtils]: 15: Hoare triple {172#true} ~ldv_module_refcounter~0 := 1; {191#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:18,133 INFO L280 TraceCheckUtils]: 16: Hoare triple {191#(= 1 ~ldv_module_refcounter~0)} assume true; {191#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:18,133 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {191#(= 1 ~ldv_module_refcounter~0)} {172#true} #461#return; {191#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:18,134 INFO L263 TraceCheckUtils]: 18: Hoare triple {191#(= 1 ~ldv_module_refcounter~0)} call #t~ret58 := main(); {191#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:18,135 INFO L280 TraceCheckUtils]: 19: Hoare triple {191#(= 1 ~ldv_module_refcounter~0)} havoc ~var_group1~0.base, ~var_group1~0.offset; {191#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:18,136 INFO L280 TraceCheckUtils]: 20: Hoare triple {191#(= 1 ~ldv_module_refcounter~0)} havoc ~var_group2~0.base, ~var_group2~0.offset; {191#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:18,137 INFO L280 TraceCheckUtils]: 21: Hoare triple {191#(= 1 ~ldv_module_refcounter~0)} havoc ~var_pppox_create_4_p2~0; {191#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:18,138 INFO L280 TraceCheckUtils]: 22: Hoare triple {191#(= 1 ~ldv_module_refcounter~0)} havoc ~var_pppox_create_4_p3~0; {191#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:18,139 INFO L280 TraceCheckUtils]: 23: Hoare triple {191#(= 1 ~ldv_module_refcounter~0)} havoc ~tmp~4; {191#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:18,140 INFO L280 TraceCheckUtils]: 24: Hoare triple {191#(= 1 ~ldv_module_refcounter~0)} havoc ~tmp___0~1; {191#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:18,140 INFO L280 TraceCheckUtils]: 25: Hoare triple {191#(= 1 ~ldv_module_refcounter~0)} havoc ~tmp___1~0; {191#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:18,141 INFO L280 TraceCheckUtils]: 26: Hoare triple {191#(= 1 ~ldv_module_refcounter~0)} ~LDV_IN_INTERRUPT~0 := 1; {191#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:18,142 INFO L263 TraceCheckUtils]: 27: Hoare triple {191#(= 1 ~ldv_module_refcounter~0)} call ldv_initialize(); {172#true} is VALID [2020-07-18 07:17:18,142 INFO L280 TraceCheckUtils]: 28: Hoare triple {172#true} assume true; {172#true} is VALID [2020-07-18 07:17:18,143 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {172#true} {191#(= 1 ~ldv_module_refcounter~0)} #429#return; {191#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:18,143 INFO L263 TraceCheckUtils]: 30: Hoare triple {191#(= 1 ~ldv_module_refcounter~0)} call #t~ret47 := pppox_init(); {172#true} is VALID [2020-07-18 07:17:18,144 INFO L280 TraceCheckUtils]: 31: Hoare triple {172#true} havoc ~tmp~3; {172#true} is VALID [2020-07-18 07:17:18,144 INFO L263 TraceCheckUtils]: 32: Hoare triple {172#true} call #t~ret46 := sock_register(~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset); {172#true} is VALID [2020-07-18 07:17:18,144 INFO L280 TraceCheckUtils]: 33: Hoare triple {172#true} ~arg0.base, ~arg0.offset := #in~arg0.base, #in~arg0.offset; {172#true} is VALID [2020-07-18 07:17:18,145 INFO L280 TraceCheckUtils]: 34: Hoare triple {172#true} assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647; {172#true} is VALID [2020-07-18 07:17:18,145 INFO L280 TraceCheckUtils]: 35: Hoare triple {172#true} #res := #t~nondet56; {172#true} is VALID [2020-07-18 07:17:18,146 INFO L280 TraceCheckUtils]: 36: Hoare triple {172#true} havoc #t~nondet56; {172#true} is VALID [2020-07-18 07:17:18,146 INFO L280 TraceCheckUtils]: 37: Hoare triple {172#true} assume true; {172#true} is VALID [2020-07-18 07:17:18,146 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {172#true} {172#true} #455#return; {172#true} is VALID [2020-07-18 07:17:18,147 INFO L280 TraceCheckUtils]: 39: Hoare triple {172#true} assume -2147483648 <= #t~ret46 && #t~ret46 <= 2147483647; {172#true} is VALID [2020-07-18 07:17:18,147 INFO L280 TraceCheckUtils]: 40: Hoare triple {172#true} ~tmp~3 := #t~ret46; {172#true} is VALID [2020-07-18 07:17:18,147 INFO L280 TraceCheckUtils]: 41: Hoare triple {172#true} havoc #t~ret46; {172#true} is VALID [2020-07-18 07:17:18,172 INFO L280 TraceCheckUtils]: 42: Hoare triple {172#true} #res := ~tmp~3; {172#true} is VALID [2020-07-18 07:17:18,172 INFO L280 TraceCheckUtils]: 43: Hoare triple {172#true} assume true; {172#true} is VALID [2020-07-18 07:17:18,176 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {172#true} {191#(= 1 ~ldv_module_refcounter~0)} #431#return; {191#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:18,177 INFO L280 TraceCheckUtils]: 45: Hoare triple {191#(= 1 ~ldv_module_refcounter~0)} assume -2147483648 <= #t~ret47 && #t~ret47 <= 2147483647; {191#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:18,178 INFO L280 TraceCheckUtils]: 46: Hoare triple {191#(= 1 ~ldv_module_refcounter~0)} ~tmp~4 := #t~ret47; {191#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:18,179 INFO L280 TraceCheckUtils]: 47: Hoare triple {191#(= 1 ~ldv_module_refcounter~0)} havoc #t~ret47; {191#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:18,179 INFO L280 TraceCheckUtils]: 48: Hoare triple {191#(= 1 ~ldv_module_refcounter~0)} assume 0 != ~tmp~4; {191#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:18,180 INFO L263 TraceCheckUtils]: 49: Hoare triple {191#(= 1 ~ldv_module_refcounter~0)} call ldv_check_final_state(); {191#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:18,181 INFO L280 TraceCheckUtils]: 50: Hoare triple {191#(= 1 ~ldv_module_refcounter~0)} assume 1 != ~ldv_module_refcounter~0; {173#false} is VALID [2020-07-18 07:17:18,181 INFO L263 TraceCheckUtils]: 51: Hoare triple {173#false} call ldv_blast_assert(); {173#false} is VALID [2020-07-18 07:17:18,182 INFO L280 TraceCheckUtils]: 52: Hoare triple {173#false} assume !false; {173#false} is VALID [2020-07-18 07:17:18,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 07:17:18,188 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [972540792] [2020-07-18 07:17:18,190 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 07:17:18,191 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-18 07:17:18,191 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627598266] [2020-07-18 07:17:18,198 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-18 07:17:18,202 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 07:17:18,206 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-18 07:17:18,279 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 07:17:18,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-18 07:17:18,279 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 07:17:18,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-18 07:17:18,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-18 07:17:18,294 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 4 states. [2020-07-18 07:17:21,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 07:17:21,962 INFO L93 Difference]: Finished difference Result 426 states and 482 transitions. [2020-07-18 07:17:21,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-18 07:17:21,963 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-18 07:17:21,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 07:17:21,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 07:17:21,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 482 transitions. [2020-07-18 07:17:21,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-18 07:17:22,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 482 transitions. [2020-07-18 07:17:22,019 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 482 transitions. [2020-07-18 07:17:22,912 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 482 edges. 482 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 07:17:22,967 INFO L225 Difference]: With dead ends: 426 [2020-07-18 07:17:22,968 INFO L226 Difference]: Without dead ends: 291 [2020-07-18 07:17:22,976 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-18 07:17:23,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2020-07-18 07:17:24,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 287. [2020-07-18 07:17:24,407 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 07:17:24,407 INFO L82 GeneralOperation]: Start isEquivalent. First operand 291 states. Second operand 287 states. [2020-07-18 07:17:24,408 INFO L74 IsIncluded]: Start isIncluded. First operand 291 states. Second operand 287 states. [2020-07-18 07:17:24,408 INFO L87 Difference]: Start difference. First operand 291 states. Second operand 287 states. [2020-07-18 07:17:24,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 07:17:24,457 INFO L93 Difference]: Finished difference Result 291 states and 316 transitions. [2020-07-18 07:17:24,458 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 316 transitions. [2020-07-18 07:17:24,471 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 07:17:24,472 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 07:17:24,472 INFO L74 IsIncluded]: Start isIncluded. First operand 287 states. Second operand 291 states. [2020-07-18 07:17:24,472 INFO L87 Difference]: Start difference. First operand 287 states. Second operand 291 states. [2020-07-18 07:17:24,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 07:17:24,498 INFO L93 Difference]: Finished difference Result 291 states and 316 transitions. [2020-07-18 07:17:24,499 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 316 transitions. [2020-07-18 07:17:24,501 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 07:17:24,501 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 07:17:24,501 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 07:17:24,502 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 07:17:24,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2020-07-18 07:17:24,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 313 transitions. [2020-07-18 07:17:24,522 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 313 transitions. Word has length 53 [2020-07-18 07:17:24,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 07:17:24,523 INFO L479 AbstractCegarLoop]: Abstraction has 287 states and 313 transitions. [2020-07-18 07:17:24,523 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-18 07:17:24,524 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 287 states and 313 transitions. [2020-07-18 07:17:25,114 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 313 edges. 313 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 07:17:25,114 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 313 transitions. [2020-07-18 07:17:25,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-07-18 07:17:25,121 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 07:17:25,121 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 07:17:25,122 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 07:17:25,122 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 07:17:25,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 07:17:25,123 INFO L82 PathProgramCache]: Analyzing trace with hash 173654324, now seen corresponding path program 1 times [2020-07-18 07:17:25,123 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 07:17:25,124 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1995619241] [2020-07-18 07:17:25,124 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 07:17:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 07:17:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 07:17:25,417 INFO L280 TraceCheckUtils]: 0: Hoare triple {2284#(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; {2228#true} is VALID [2020-07-18 07:17:25,418 INFO L280 TraceCheckUtils]: 1: Hoare triple {2228#true} #valid := #valid[0 := 0]; {2228#true} is VALID [2020-07-18 07:17:25,418 INFO L280 TraceCheckUtils]: 2: Hoare triple {2228#true} assume 0 < #StackHeapBarrier; {2228#true} is VALID [2020-07-18 07:17:25,418 INFO L280 TraceCheckUtils]: 3: Hoare triple {2228#true} SUMMARY for call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(15); srcloc: L4876 {2228#true} is VALID [2020-07-18 07:17:25,418 INFO L280 TraceCheckUtils]: 4: Hoare triple {2228#true} SUMMARY for call ~#pppox_protos~0.base, ~#pppox_protos~0.offset := #Ultimate.allocOnStack(32); srcloc: L4876-1 {2228#true} is VALID [2020-07-18 07:17:25,419 INFO L280 TraceCheckUtils]: 5: Hoare triple {2228#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, ~#pppox_protos~0.offset, 8); srcloc: L4728 {2228#true} is VALID [2020-07-18 07:17:25,419 INFO L280 TraceCheckUtils]: 6: Hoare triple {2228#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 8 + ~#pppox_protos~0.offset, 8); srcloc: L4728-1 {2228#true} is VALID [2020-07-18 07:17:25,419 INFO L280 TraceCheckUtils]: 7: Hoare triple {2228#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 16 + ~#pppox_protos~0.offset, 8); srcloc: L4728-2 {2228#true} is VALID [2020-07-18 07:17:25,420 INFO L280 TraceCheckUtils]: 8: Hoare triple {2228#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 24 + ~#pppox_protos~0.offset, 8); srcloc: L4728-3 {2228#true} is VALID [2020-07-18 07:17:25,420 INFO L280 TraceCheckUtils]: 9: Hoare triple {2228#true} SUMMARY for call ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset := #Ultimate.allocOnStack(20); srcloc: L4728-4 {2228#true} is VALID [2020-07-18 07:17:25,420 INFO L280 TraceCheckUtils]: 10: Hoare triple {2228#true} SUMMARY for call write~init~int(24, ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset, 4); srcloc: L4899 {2228#true} is VALID [2020-07-18 07:17:25,421 INFO L280 TraceCheckUtils]: 11: Hoare triple {2228#true} SUMMARY for call write~init~$Pointer$(#funAddr~pppox_create.base, #funAddr~pppox_create.offset, ~#pppox_proto_family~0.base, 4 + ~#pppox_proto_family~0.offset, 8); srcloc: L4899-1 {2228#true} is VALID [2020-07-18 07:17:25,421 INFO L280 TraceCheckUtils]: 12: Hoare triple {2228#true} SUMMARY for call write~init~$Pointer$(~#__this_module~0.base, ~#__this_module~0.offset, ~#pppox_proto_family~0.base, 12 + ~#pppox_proto_family~0.offset, 8); srcloc: L4899-2 {2228#true} is VALID [2020-07-18 07:17:25,422 INFO L280 TraceCheckUtils]: 13: Hoare triple {2228#true} ~LDV_IN_INTERRUPT~0 := 0; {2228#true} is VALID [2020-07-18 07:17:25,423 INFO L280 TraceCheckUtils]: 14: Hoare triple {2228#true} ~ldv_module_refcounter~0 := 1; {2228#true} is VALID [2020-07-18 07:17:25,423 INFO L280 TraceCheckUtils]: 15: Hoare triple {2228#true} assume true; {2228#true} is VALID [2020-07-18 07:17:25,424 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {2228#true} {2228#true} #461#return; {2228#true} is VALID [2020-07-18 07:17:25,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 07:17:25,433 INFO L280 TraceCheckUtils]: 0: Hoare triple {2228#true} assume true; {2228#true} is VALID [2020-07-18 07:17:25,434 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2228#true} {2228#true} #429#return; {2228#true} is VALID [2020-07-18 07:17:25,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 07:17:25,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 07:17:25,459 INFO L280 TraceCheckUtils]: 0: Hoare triple {2228#true} ~arg0.base, ~arg0.offset := #in~arg0.base, #in~arg0.offset; {2228#true} is VALID [2020-07-18 07:17:25,460 INFO L280 TraceCheckUtils]: 1: Hoare triple {2228#true} assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647; {2228#true} is VALID [2020-07-18 07:17:25,460 INFO L280 TraceCheckUtils]: 2: Hoare triple {2228#true} #res := #t~nondet56; {2228#true} is VALID [2020-07-18 07:17:25,461 INFO L280 TraceCheckUtils]: 3: Hoare triple {2228#true} havoc #t~nondet56; {2228#true} is VALID [2020-07-18 07:17:25,461 INFO L280 TraceCheckUtils]: 4: Hoare triple {2228#true} assume true; {2228#true} is VALID [2020-07-18 07:17:25,461 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2228#true} {2228#true} #455#return; {2228#true} is VALID [2020-07-18 07:17:25,462 INFO L280 TraceCheckUtils]: 0: Hoare triple {2228#true} havoc ~tmp~3; {2228#true} is VALID [2020-07-18 07:17:25,462 INFO L263 TraceCheckUtils]: 1: Hoare triple {2228#true} call #t~ret46 := sock_register(~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset); {2228#true} is VALID [2020-07-18 07:17:25,463 INFO L280 TraceCheckUtils]: 2: Hoare triple {2228#true} ~arg0.base, ~arg0.offset := #in~arg0.base, #in~arg0.offset; {2228#true} is VALID [2020-07-18 07:17:25,464 INFO L280 TraceCheckUtils]: 3: Hoare triple {2228#true} assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647; {2228#true} is VALID [2020-07-18 07:17:25,464 INFO L280 TraceCheckUtils]: 4: Hoare triple {2228#true} #res := #t~nondet56; {2228#true} is VALID [2020-07-18 07:17:25,464 INFO L280 TraceCheckUtils]: 5: Hoare triple {2228#true} havoc #t~nondet56; {2228#true} is VALID [2020-07-18 07:17:25,465 INFO L280 TraceCheckUtils]: 6: Hoare triple {2228#true} assume true; {2228#true} is VALID [2020-07-18 07:17:25,465 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {2228#true} {2228#true} #455#return; {2228#true} is VALID [2020-07-18 07:17:25,469 INFO L280 TraceCheckUtils]: 8: Hoare triple {2228#true} assume -2147483648 <= #t~ret46 && #t~ret46 <= 2147483647; {2228#true} is VALID [2020-07-18 07:17:25,470 INFO L280 TraceCheckUtils]: 9: Hoare triple {2228#true} ~tmp~3 := #t~ret46; {2228#true} is VALID [2020-07-18 07:17:25,470 INFO L280 TraceCheckUtils]: 10: Hoare triple {2228#true} havoc #t~ret46; {2228#true} is VALID [2020-07-18 07:17:25,471 INFO L280 TraceCheckUtils]: 11: Hoare triple {2228#true} #res := ~tmp~3; {2228#true} is VALID [2020-07-18 07:17:25,471 INFO L280 TraceCheckUtils]: 12: Hoare triple {2228#true} assume true; {2228#true} is VALID [2020-07-18 07:17:25,471 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {2228#true} {2228#true} #431#return; {2228#true} is VALID [2020-07-18 07:17:25,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 07:17:25,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 07:17:25,649 INFO L280 TraceCheckUtils]: 0: Hoare triple {2291#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~module.base, ~module.offset := #in~module.base, #in~module.offset; {2228#true} is VALID [2020-07-18 07:17:25,650 INFO L280 TraceCheckUtils]: 1: Hoare triple {2228#true} havoc ~module_get_succeeded~0; {2228#true} is VALID [2020-07-18 07:17:25,650 INFO L280 TraceCheckUtils]: 2: Hoare triple {2228#true} assume !(0 != (~module.base + ~module.offset) % 18446744073709551616); {2228#true} is VALID [2020-07-18 07:17:25,651 INFO L280 TraceCheckUtils]: 3: Hoare triple {2228#true} #res := 0; {2301#(and (<= 0 |ldv_try_module_get_#res|) (<= |ldv_try_module_get_#res| 0))} is VALID [2020-07-18 07:17:25,652 INFO L280 TraceCheckUtils]: 4: Hoare triple {2301#(and (<= 0 |ldv_try_module_get_#res|) (<= |ldv_try_module_get_#res| 0))} assume true; {2301#(and (<= 0 |ldv_try_module_get_#res|) (<= |ldv_try_module_get_#res| 0))} is VALID [2020-07-18 07:17:25,653 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2301#(and (<= 0 |ldv_try_module_get_#res|) (<= |ldv_try_module_get_#res| 0))} {2228#true} #459#return; {2298#(and (<= 0 |ldv_try_module_get_1_#t~ret52|) (<= |ldv_try_module_get_1_#t~ret52| 0))} is VALID [2020-07-18 07:17:25,654 INFO L280 TraceCheckUtils]: 0: Hoare triple {2291#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~module.base, ~module.offset := #in~module.base, #in~module.offset; {2228#true} is VALID [2020-07-18 07:17:25,654 INFO L280 TraceCheckUtils]: 1: Hoare triple {2228#true} havoc ~tmp~5; {2228#true} is VALID [2020-07-18 07:17:25,655 INFO L263 TraceCheckUtils]: 2: Hoare triple {2228#true} call #t~ret52 := ldv_try_module_get(~module.base, ~module.offset); {2291#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-18 07:17:25,655 INFO L280 TraceCheckUtils]: 3: Hoare triple {2291#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~module.base, ~module.offset := #in~module.base, #in~module.offset; {2228#true} is VALID [2020-07-18 07:17:25,656 INFO L280 TraceCheckUtils]: 4: Hoare triple {2228#true} havoc ~module_get_succeeded~0; {2228#true} is VALID [2020-07-18 07:17:25,656 INFO L280 TraceCheckUtils]: 5: Hoare triple {2228#true} assume !(0 != (~module.base + ~module.offset) % 18446744073709551616); {2228#true} is VALID [2020-07-18 07:17:25,657 INFO L280 TraceCheckUtils]: 6: Hoare triple {2228#true} #res := 0; {2301#(and (<= 0 |ldv_try_module_get_#res|) (<= |ldv_try_module_get_#res| 0))} is VALID [2020-07-18 07:17:25,657 INFO L280 TraceCheckUtils]: 7: Hoare triple {2301#(and (<= 0 |ldv_try_module_get_#res|) (<= |ldv_try_module_get_#res| 0))} assume true; {2301#(and (<= 0 |ldv_try_module_get_#res|) (<= |ldv_try_module_get_#res| 0))} is VALID [2020-07-18 07:17:25,659 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {2301#(and (<= 0 |ldv_try_module_get_#res|) (<= |ldv_try_module_get_#res| 0))} {2228#true} #459#return; {2298#(and (<= 0 |ldv_try_module_get_1_#t~ret52|) (<= |ldv_try_module_get_1_#t~ret52| 0))} is VALID [2020-07-18 07:17:25,664 INFO L280 TraceCheckUtils]: 9: Hoare triple {2298#(and (<= 0 |ldv_try_module_get_1_#t~ret52|) (<= |ldv_try_module_get_1_#t~ret52| 0))} assume -2147483648 <= #t~ret52 && #t~ret52 <= 2147483647; {2298#(and (<= 0 |ldv_try_module_get_1_#t~ret52|) (<= |ldv_try_module_get_1_#t~ret52| 0))} is VALID [2020-07-18 07:17:25,665 INFO L280 TraceCheckUtils]: 10: Hoare triple {2298#(and (<= 0 |ldv_try_module_get_1_#t~ret52|) (<= |ldv_try_module_get_1_#t~ret52| 0))} ~tmp~5 := #t~ret52; {2299#(and (<= ldv_try_module_get_1_~tmp~5 0) (<= 0 ldv_try_module_get_1_~tmp~5))} is VALID [2020-07-18 07:17:25,666 INFO L280 TraceCheckUtils]: 11: Hoare triple {2299#(and (<= ldv_try_module_get_1_~tmp~5 0) (<= 0 ldv_try_module_get_1_~tmp~5))} havoc #t~ret52; {2299#(and (<= ldv_try_module_get_1_~tmp~5 0) (<= 0 ldv_try_module_get_1_~tmp~5))} is VALID [2020-07-18 07:17:25,667 INFO L280 TraceCheckUtils]: 12: Hoare triple {2299#(and (<= ldv_try_module_get_1_~tmp~5 0) (<= 0 ldv_try_module_get_1_~tmp~5))} #res := ~tmp~5; {2300#(and (<= |ldv_try_module_get_1_#res| 0) (<= 0 |ldv_try_module_get_1_#res|))} is VALID [2020-07-18 07:17:25,667 INFO L280 TraceCheckUtils]: 13: Hoare triple {2300#(and (<= |ldv_try_module_get_1_#res| 0) (<= 0 |ldv_try_module_get_1_#res|))} assume true; {2300#(and (<= |ldv_try_module_get_1_#res| 0) (<= 0 |ldv_try_module_get_1_#res|))} is VALID [2020-07-18 07:17:25,669 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {2300#(and (<= |ldv_try_module_get_1_#res| 0) (<= 0 |ldv_try_module_get_1_#res|))} {2228#true} #441#return; {2278#(= 0 |pppox_create_#t~ret36|)} is VALID [2020-07-18 07:17:25,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 07:17:25,677 INFO L280 TraceCheckUtils]: 0: Hoare triple {2228#true} #~39.base, #~39.offset := #in~39.base, #in~39.offset; {2228#true} is VALID [2020-07-18 07:17:25,678 INFO L280 TraceCheckUtils]: 1: Hoare triple {2228#true} #~40.base, #~40.offset := #in~40.base, #in~40.offset; {2228#true} is VALID [2020-07-18 07:17:25,678 INFO L280 TraceCheckUtils]: 2: Hoare triple {2228#true} assume true; {2228#true} is VALID [2020-07-18 07:17:25,678 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2228#true} {2229#false} #443#return; {2229#false} is VALID [2020-07-18 07:17:25,681 INFO L263 TraceCheckUtils]: 0: Hoare triple {2228#true} call ULTIMATE.init(); {2284#(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 [2020-07-18 07:17:25,681 INFO L280 TraceCheckUtils]: 1: Hoare triple {2284#(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; {2228#true} is VALID [2020-07-18 07:17:25,682 INFO L280 TraceCheckUtils]: 2: Hoare triple {2228#true} #valid := #valid[0 := 0]; {2228#true} is VALID [2020-07-18 07:17:25,682 INFO L280 TraceCheckUtils]: 3: Hoare triple {2228#true} assume 0 < #StackHeapBarrier; {2228#true} is VALID [2020-07-18 07:17:25,682 INFO L280 TraceCheckUtils]: 4: Hoare triple {2228#true} SUMMARY for call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(15); srcloc: L4876 {2228#true} is VALID [2020-07-18 07:17:25,682 INFO L280 TraceCheckUtils]: 5: Hoare triple {2228#true} SUMMARY for call ~#pppox_protos~0.base, ~#pppox_protos~0.offset := #Ultimate.allocOnStack(32); srcloc: L4876-1 {2228#true} is VALID [2020-07-18 07:17:25,683 INFO L280 TraceCheckUtils]: 6: Hoare triple {2228#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, ~#pppox_protos~0.offset, 8); srcloc: L4728 {2228#true} is VALID [2020-07-18 07:17:25,683 INFO L280 TraceCheckUtils]: 7: Hoare triple {2228#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 8 + ~#pppox_protos~0.offset, 8); srcloc: L4728-1 {2228#true} is VALID [2020-07-18 07:17:25,683 INFO L280 TraceCheckUtils]: 8: Hoare triple {2228#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 16 + ~#pppox_protos~0.offset, 8); srcloc: L4728-2 {2228#true} is VALID [2020-07-18 07:17:25,683 INFO L280 TraceCheckUtils]: 9: Hoare triple {2228#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 24 + ~#pppox_protos~0.offset, 8); srcloc: L4728-3 {2228#true} is VALID [2020-07-18 07:17:25,684 INFO L280 TraceCheckUtils]: 10: Hoare triple {2228#true} SUMMARY for call ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset := #Ultimate.allocOnStack(20); srcloc: L4728-4 {2228#true} is VALID [2020-07-18 07:17:25,684 INFO L280 TraceCheckUtils]: 11: Hoare triple {2228#true} SUMMARY for call write~init~int(24, ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset, 4); srcloc: L4899 {2228#true} is VALID [2020-07-18 07:17:25,684 INFO L280 TraceCheckUtils]: 12: Hoare triple {2228#true} SUMMARY for call write~init~$Pointer$(#funAddr~pppox_create.base, #funAddr~pppox_create.offset, ~#pppox_proto_family~0.base, 4 + ~#pppox_proto_family~0.offset, 8); srcloc: L4899-1 {2228#true} is VALID [2020-07-18 07:17:25,684 INFO L280 TraceCheckUtils]: 13: Hoare triple {2228#true} SUMMARY for call write~init~$Pointer$(~#__this_module~0.base, ~#__this_module~0.offset, ~#pppox_proto_family~0.base, 12 + ~#pppox_proto_family~0.offset, 8); srcloc: L4899-2 {2228#true} is VALID [2020-07-18 07:17:25,684 INFO L280 TraceCheckUtils]: 14: Hoare triple {2228#true} ~LDV_IN_INTERRUPT~0 := 0; {2228#true} is VALID [2020-07-18 07:17:25,685 INFO L280 TraceCheckUtils]: 15: Hoare triple {2228#true} ~ldv_module_refcounter~0 := 1; {2228#true} is VALID [2020-07-18 07:17:25,685 INFO L280 TraceCheckUtils]: 16: Hoare triple {2228#true} assume true; {2228#true} is VALID [2020-07-18 07:17:25,686 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {2228#true} {2228#true} #461#return; {2228#true} is VALID [2020-07-18 07:17:25,686 INFO L263 TraceCheckUtils]: 18: Hoare triple {2228#true} call #t~ret58 := main(); {2228#true} is VALID [2020-07-18 07:17:25,686 INFO L280 TraceCheckUtils]: 19: Hoare triple {2228#true} havoc ~var_group1~0.base, ~var_group1~0.offset; {2228#true} is VALID [2020-07-18 07:17:25,686 INFO L280 TraceCheckUtils]: 20: Hoare triple {2228#true} havoc ~var_group2~0.base, ~var_group2~0.offset; {2228#true} is VALID [2020-07-18 07:17:25,687 INFO L280 TraceCheckUtils]: 21: Hoare triple {2228#true} havoc ~var_pppox_create_4_p2~0; {2228#true} is VALID [2020-07-18 07:17:25,687 INFO L280 TraceCheckUtils]: 22: Hoare triple {2228#true} havoc ~var_pppox_create_4_p3~0; {2228#true} is VALID [2020-07-18 07:17:25,687 INFO L280 TraceCheckUtils]: 23: Hoare triple {2228#true} havoc ~tmp~4; {2228#true} is VALID [2020-07-18 07:17:25,687 INFO L280 TraceCheckUtils]: 24: Hoare triple {2228#true} havoc ~tmp___0~1; {2228#true} is VALID [2020-07-18 07:17:25,687 INFO L280 TraceCheckUtils]: 25: Hoare triple {2228#true} havoc ~tmp___1~0; {2228#true} is VALID [2020-07-18 07:17:25,688 INFO L280 TraceCheckUtils]: 26: Hoare triple {2228#true} ~LDV_IN_INTERRUPT~0 := 1; {2228#true} is VALID [2020-07-18 07:17:25,688 INFO L263 TraceCheckUtils]: 27: Hoare triple {2228#true} call ldv_initialize(); {2228#true} is VALID [2020-07-18 07:17:25,689 INFO L280 TraceCheckUtils]: 28: Hoare triple {2228#true} assume true; {2228#true} is VALID [2020-07-18 07:17:25,689 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {2228#true} {2228#true} #429#return; {2228#true} is VALID [2020-07-18 07:17:25,689 INFO L263 TraceCheckUtils]: 30: Hoare triple {2228#true} call #t~ret47 := pppox_init(); {2228#true} is VALID [2020-07-18 07:17:25,690 INFO L280 TraceCheckUtils]: 31: Hoare triple {2228#true} havoc ~tmp~3; {2228#true} is VALID [2020-07-18 07:17:25,690 INFO L263 TraceCheckUtils]: 32: Hoare triple {2228#true} call #t~ret46 := sock_register(~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset); {2228#true} is VALID [2020-07-18 07:17:25,690 INFO L280 TraceCheckUtils]: 33: Hoare triple {2228#true} ~arg0.base, ~arg0.offset := #in~arg0.base, #in~arg0.offset; {2228#true} is VALID [2020-07-18 07:17:25,690 INFO L280 TraceCheckUtils]: 34: Hoare triple {2228#true} assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647; {2228#true} is VALID [2020-07-18 07:17:25,694 INFO L280 TraceCheckUtils]: 35: Hoare triple {2228#true} #res := #t~nondet56; {2228#true} is VALID [2020-07-18 07:17:25,694 INFO L280 TraceCheckUtils]: 36: Hoare triple {2228#true} havoc #t~nondet56; {2228#true} is VALID [2020-07-18 07:17:25,695 INFO L280 TraceCheckUtils]: 37: Hoare triple {2228#true} assume true; {2228#true} is VALID [2020-07-18 07:17:25,695 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {2228#true} {2228#true} #455#return; {2228#true} is VALID [2020-07-18 07:17:25,696 INFO L280 TraceCheckUtils]: 39: Hoare triple {2228#true} assume -2147483648 <= #t~ret46 && #t~ret46 <= 2147483647; {2228#true} is VALID [2020-07-18 07:17:25,696 INFO L280 TraceCheckUtils]: 40: Hoare triple {2228#true} ~tmp~3 := #t~ret46; {2228#true} is VALID [2020-07-18 07:17:25,696 INFO L280 TraceCheckUtils]: 41: Hoare triple {2228#true} havoc #t~ret46; {2228#true} is VALID [2020-07-18 07:17:25,697 INFO L280 TraceCheckUtils]: 42: Hoare triple {2228#true} #res := ~tmp~3; {2228#true} is VALID [2020-07-18 07:17:25,697 INFO L280 TraceCheckUtils]: 43: Hoare triple {2228#true} assume true; {2228#true} is VALID [2020-07-18 07:17:25,703 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {2228#true} {2228#true} #431#return; {2228#true} is VALID [2020-07-18 07:17:25,703 INFO L280 TraceCheckUtils]: 45: Hoare triple {2228#true} assume -2147483648 <= #t~ret47 && #t~ret47 <= 2147483647; {2228#true} is VALID [2020-07-18 07:17:25,704 INFO L280 TraceCheckUtils]: 46: Hoare triple {2228#true} ~tmp~4 := #t~ret47; {2228#true} is VALID [2020-07-18 07:17:25,704 INFO L280 TraceCheckUtils]: 47: Hoare triple {2228#true} havoc #t~ret47; {2228#true} is VALID [2020-07-18 07:17:25,708 INFO L280 TraceCheckUtils]: 48: Hoare triple {2228#true} assume !(0 != ~tmp~4); {2228#true} is VALID [2020-07-18 07:17:25,708 INFO L280 TraceCheckUtils]: 49: Hoare triple {2228#true} assume -2147483648 <= #t~nondet50 && #t~nondet50 <= 2147483647; {2228#true} is VALID [2020-07-18 07:17:25,708 INFO L280 TraceCheckUtils]: 50: Hoare triple {2228#true} ~tmp___1~0 := #t~nondet50; {2228#true} is VALID [2020-07-18 07:17:25,709 INFO L280 TraceCheckUtils]: 51: Hoare triple {2228#true} havoc #t~nondet50; {2228#true} is VALID [2020-07-18 07:17:25,709 INFO L280 TraceCheckUtils]: 52: Hoare triple {2228#true} assume 0 != ~tmp___1~0; {2228#true} is VALID [2020-07-18 07:17:25,710 INFO L280 TraceCheckUtils]: 53: Hoare triple {2228#true} assume -2147483648 <= #t~nondet48 && #t~nondet48 <= 2147483647; {2228#true} is VALID [2020-07-18 07:17:25,711 INFO L280 TraceCheckUtils]: 54: Hoare triple {2228#true} ~tmp___0~1 := #t~nondet48; {2228#true} is VALID [2020-07-18 07:17:25,713 INFO L280 TraceCheckUtils]: 55: Hoare triple {2228#true} havoc #t~nondet48; {2228#true} is VALID [2020-07-18 07:17:25,713 INFO L280 TraceCheckUtils]: 56: Hoare triple {2228#true} assume 0 == ~tmp___0~1; {2228#true} is VALID [2020-07-18 07:17:25,714 INFO L263 TraceCheckUtils]: 57: Hoare triple {2228#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); {2228#true} is VALID [2020-07-18 07:17:25,714 INFO L280 TraceCheckUtils]: 58: Hoare triple {2228#true} ~net.base, ~net.offset := #in~net.base, #in~net.offset; {2228#true} is VALID [2020-07-18 07:17:25,714 INFO L280 TraceCheckUtils]: 59: Hoare triple {2228#true} ~sock.base, ~sock.offset := #in~sock.base, #in~sock.offset; {2228#true} is VALID [2020-07-18 07:17:25,715 INFO L280 TraceCheckUtils]: 60: Hoare triple {2228#true} ~protocol := #in~protocol; {2228#true} is VALID [2020-07-18 07:17:25,715 INFO L280 TraceCheckUtils]: 61: Hoare triple {2228#true} ~kern := #in~kern; {2228#true} is VALID [2020-07-18 07:17:25,715 INFO L280 TraceCheckUtils]: 62: Hoare triple {2228#true} havoc ~rc~1; {2228#true} is VALID [2020-07-18 07:17:25,715 INFO L280 TraceCheckUtils]: 63: Hoare triple {2228#true} havoc ~tmp~2; {2228#true} is VALID [2020-07-18 07:17:25,716 INFO L280 TraceCheckUtils]: 64: Hoare triple {2228#true} ~rc~1 := -91; {2228#true} is VALID [2020-07-18 07:17:25,716 INFO L280 TraceCheckUtils]: 65: Hoare triple {2228#true} assume !(~protocol < 0); {2228#true} is VALID [2020-07-18 07:17:25,716 INFO L280 TraceCheckUtils]: 66: Hoare triple {2228#true} assume !(~protocol > 3); {2228#true} is VALID [2020-07-18 07:17:25,716 INFO L280 TraceCheckUtils]: 67: Hoare triple {2228#true} ~rc~1 := -93; {2228#true} is VALID [2020-07-18 07:17:25,717 INFO L280 TraceCheckUtils]: 68: Hoare triple {2228#true} SUMMARY for call #t~mem30.base, #t~mem30.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8); srcloc: L4874 {2228#true} is VALID [2020-07-18 07:17:25,717 INFO L280 TraceCheckUtils]: 69: Hoare triple {2228#true} assume !(0 == (#t~mem30.base + #t~mem30.offset) % 18446744073709551616); {2228#true} is VALID [2020-07-18 07:17:25,717 INFO L280 TraceCheckUtils]: 70: Hoare triple {2228#true} havoc #t~mem30.base, #t~mem30.offset; {2228#true} is VALID [2020-07-18 07:17:25,717 INFO L280 TraceCheckUtils]: 71: Hoare triple {2228#true} SUMMARY for call #t~mem33.base, #t~mem33.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8); srcloc: L4874-5 {2228#true} is VALID [2020-07-18 07:17:25,718 INFO L280 TraceCheckUtils]: 72: Hoare triple {2228#true} assume !(0 == (#t~mem33.base + #t~mem33.offset) % 18446744073709551616); {2228#true} is VALID [2020-07-18 07:17:25,718 INFO L280 TraceCheckUtils]: 73: Hoare triple {2228#true} havoc #t~mem33.base, #t~mem33.offset; {2228#true} is VALID [2020-07-18 07:17:25,718 INFO L280 TraceCheckUtils]: 74: Hoare triple {2228#true} SUMMARY for call #t~mem34.base, #t~mem34.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8); srcloc: L4884 {2228#true} is VALID [2020-07-18 07:17:25,718 INFO L280 TraceCheckUtils]: 75: Hoare triple {2228#true} SUMMARY for call #t~mem35.base, #t~mem35.offset := read~$Pointer$(#t~mem34.base, 16 + #t~mem34.offset, 8); srcloc: L4884-1 {2228#true} is VALID [2020-07-18 07:17:25,725 INFO L263 TraceCheckUtils]: 76: Hoare triple {2228#true} call #t~ret36 := ldv_try_module_get_1(#t~mem35.base, #t~mem35.offset); {2291#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-18 07:17:25,726 INFO L280 TraceCheckUtils]: 77: Hoare triple {2291#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~module.base, ~module.offset := #in~module.base, #in~module.offset; {2228#true} is VALID [2020-07-18 07:17:25,726 INFO L280 TraceCheckUtils]: 78: Hoare triple {2228#true} havoc ~tmp~5; {2228#true} is VALID [2020-07-18 07:17:25,727 INFO L263 TraceCheckUtils]: 79: Hoare triple {2228#true} call #t~ret52 := ldv_try_module_get(~module.base, ~module.offset); {2291#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-18 07:17:25,727 INFO L280 TraceCheckUtils]: 80: Hoare triple {2291#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~module.base, ~module.offset := #in~module.base, #in~module.offset; {2228#true} is VALID [2020-07-18 07:17:25,728 INFO L280 TraceCheckUtils]: 81: Hoare triple {2228#true} havoc ~module_get_succeeded~0; {2228#true} is VALID [2020-07-18 07:17:25,728 INFO L280 TraceCheckUtils]: 82: Hoare triple {2228#true} assume !(0 != (~module.base + ~module.offset) % 18446744073709551616); {2228#true} is VALID [2020-07-18 07:17:25,729 INFO L280 TraceCheckUtils]: 83: Hoare triple {2228#true} #res := 0; {2301#(and (<= 0 |ldv_try_module_get_#res|) (<= |ldv_try_module_get_#res| 0))} is VALID [2020-07-18 07:17:25,730 INFO L280 TraceCheckUtils]: 84: Hoare triple {2301#(and (<= 0 |ldv_try_module_get_#res|) (<= |ldv_try_module_get_#res| 0))} assume true; {2301#(and (<= 0 |ldv_try_module_get_#res|) (<= |ldv_try_module_get_#res| 0))} is VALID [2020-07-18 07:17:25,731 INFO L275 TraceCheckUtils]: 85: Hoare quadruple {2301#(and (<= 0 |ldv_try_module_get_#res|) (<= |ldv_try_module_get_#res| 0))} {2228#true} #459#return; {2298#(and (<= 0 |ldv_try_module_get_1_#t~ret52|) (<= |ldv_try_module_get_1_#t~ret52| 0))} is VALID [2020-07-18 07:17:25,732 INFO L280 TraceCheckUtils]: 86: Hoare triple {2298#(and (<= 0 |ldv_try_module_get_1_#t~ret52|) (<= |ldv_try_module_get_1_#t~ret52| 0))} assume -2147483648 <= #t~ret52 && #t~ret52 <= 2147483647; {2298#(and (<= 0 |ldv_try_module_get_1_#t~ret52|) (<= |ldv_try_module_get_1_#t~ret52| 0))} is VALID [2020-07-18 07:17:25,733 INFO L280 TraceCheckUtils]: 87: Hoare triple {2298#(and (<= 0 |ldv_try_module_get_1_#t~ret52|) (<= |ldv_try_module_get_1_#t~ret52| 0))} ~tmp~5 := #t~ret52; {2299#(and (<= ldv_try_module_get_1_~tmp~5 0) (<= 0 ldv_try_module_get_1_~tmp~5))} is VALID [2020-07-18 07:17:25,734 INFO L280 TraceCheckUtils]: 88: Hoare triple {2299#(and (<= ldv_try_module_get_1_~tmp~5 0) (<= 0 ldv_try_module_get_1_~tmp~5))} havoc #t~ret52; {2299#(and (<= ldv_try_module_get_1_~tmp~5 0) (<= 0 ldv_try_module_get_1_~tmp~5))} is VALID [2020-07-18 07:17:25,735 INFO L280 TraceCheckUtils]: 89: Hoare triple {2299#(and (<= ldv_try_module_get_1_~tmp~5 0) (<= 0 ldv_try_module_get_1_~tmp~5))} #res := ~tmp~5; {2300#(and (<= |ldv_try_module_get_1_#res| 0) (<= 0 |ldv_try_module_get_1_#res|))} is VALID [2020-07-18 07:17:25,736 INFO L280 TraceCheckUtils]: 90: Hoare triple {2300#(and (<= |ldv_try_module_get_1_#res| 0) (<= 0 |ldv_try_module_get_1_#res|))} assume true; {2300#(and (<= |ldv_try_module_get_1_#res| 0) (<= 0 |ldv_try_module_get_1_#res|))} is VALID [2020-07-18 07:17:25,737 INFO L275 TraceCheckUtils]: 91: Hoare quadruple {2300#(and (<= |ldv_try_module_get_1_#res| 0) (<= 0 |ldv_try_module_get_1_#res|))} {2228#true} #441#return; {2278#(= 0 |pppox_create_#t~ret36|)} is VALID [2020-07-18 07:17:25,738 INFO L280 TraceCheckUtils]: 92: Hoare triple {2278#(= 0 |pppox_create_#t~ret36|)} assume -2147483648 <= #t~ret36 && #t~ret36 <= 2147483647; {2278#(= 0 |pppox_create_#t~ret36|)} is VALID [2020-07-18 07:17:25,739 INFO L280 TraceCheckUtils]: 93: Hoare triple {2278#(= 0 |pppox_create_#t~ret36|)} ~tmp~2 := #t~ret36; {2279#(= 0 pppox_create_~tmp~2)} is VALID [2020-07-18 07:17:25,739 INFO L280 TraceCheckUtils]: 94: Hoare triple {2279#(= 0 pppox_create_~tmp~2)} havoc #t~mem34.base, #t~mem34.offset; {2279#(= 0 pppox_create_~tmp~2)} is VALID [2020-07-18 07:17:25,740 INFO L280 TraceCheckUtils]: 95: Hoare triple {2279#(= 0 pppox_create_~tmp~2)} havoc #t~ret36; {2279#(= 0 pppox_create_~tmp~2)} is VALID [2020-07-18 07:17:25,741 INFO L280 TraceCheckUtils]: 96: Hoare triple {2279#(= 0 pppox_create_~tmp~2)} havoc #t~mem35.base, #t~mem35.offset; {2279#(= 0 pppox_create_~tmp~2)} is VALID [2020-07-18 07:17:25,743 INFO L280 TraceCheckUtils]: 97: Hoare triple {2279#(= 0 pppox_create_~tmp~2)} assume !(0 == ~tmp~2); {2229#false} is VALID [2020-07-18 07:17:25,745 INFO L280 TraceCheckUtils]: 98: Hoare triple {2229#false} SUMMARY for call #t~mem41.base, #t~mem41.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8); srcloc: L4892 {2229#false} is VALID [2020-07-18 07:17:25,746 INFO L280 TraceCheckUtils]: 99: Hoare triple {2229#false} SUMMARY for call #t~mem42.base, #t~mem42.offset := read~$Pointer$(#t~mem41.base, #t~mem41.offset, 8); srcloc: L4892-1 {2229#false} is VALID [2020-07-18 07:17:25,746 INFO L263 TraceCheckUtils]: 100: Hoare triple {2229#false} call #t~ret43 := ##fun~$Pointer$~X~$Pointer$~TO~int(~net.base, ~net.offset, ~sock.base, ~sock.offset, #t~mem42.base, #t~mem42.offset); {2228#true} is VALID [2020-07-18 07:17:25,746 INFO L280 TraceCheckUtils]: 101: Hoare triple {2228#true} #~39.base, #~39.offset := #in~39.base, #in~39.offset; {2228#true} is VALID [2020-07-18 07:17:25,747 INFO L280 TraceCheckUtils]: 102: Hoare triple {2228#true} #~40.base, #~40.offset := #in~40.base, #in~40.offset; {2228#true} is VALID [2020-07-18 07:17:25,747 INFO L280 TraceCheckUtils]: 103: Hoare triple {2228#true} assume true; {2228#true} is VALID [2020-07-18 07:17:25,747 INFO L275 TraceCheckUtils]: 104: Hoare quadruple {2228#true} {2229#false} #443#return; {2229#false} is VALID [2020-07-18 07:17:25,748 INFO L280 TraceCheckUtils]: 105: Hoare triple {2229#false} assume -2147483648 <= #t~ret43 && #t~ret43 <= 2147483647; {2229#false} is VALID [2020-07-18 07:17:25,748 INFO L280 TraceCheckUtils]: 106: Hoare triple {2229#false} ~rc~1 := #t~ret43; {2229#false} is VALID [2020-07-18 07:17:25,748 INFO L280 TraceCheckUtils]: 107: Hoare triple {2229#false} havoc #t~mem41.base, #t~mem41.offset; {2229#false} is VALID [2020-07-18 07:17:25,751 INFO L280 TraceCheckUtils]: 108: Hoare triple {2229#false} havoc #t~mem42.base, #t~mem42.offset; {2229#false} is VALID [2020-07-18 07:17:25,751 INFO L280 TraceCheckUtils]: 109: Hoare triple {2229#false} havoc #t~ret43; {2229#false} is VALID [2020-07-18 07:17:25,751 INFO L280 TraceCheckUtils]: 110: Hoare triple {2229#false} SUMMARY for call #t~mem44.base, #t~mem44.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8); srcloc: L4893 {2229#false} is VALID [2020-07-18 07:17:25,753 INFO L280 TraceCheckUtils]: 111: Hoare triple {2229#false} SUMMARY for call #t~mem45.base, #t~mem45.offset := read~$Pointer$(#t~mem44.base, 16 + #t~mem44.offset, 8); srcloc: L4893-1 {2229#false} is VALID [2020-07-18 07:17:25,754 INFO L263 TraceCheckUtils]: 112: Hoare triple {2229#false} call ldv_module_put_2(#t~mem45.base, #t~mem45.offset); {2229#false} is VALID [2020-07-18 07:17:25,754 INFO L280 TraceCheckUtils]: 113: Hoare triple {2229#false} ~ldv_func_arg1.base, ~ldv_func_arg1.offset := #in~ldv_func_arg1.base, #in~ldv_func_arg1.offset; {2229#false} is VALID [2020-07-18 07:17:25,754 INFO L263 TraceCheckUtils]: 114: Hoare triple {2229#false} call ldv_module_put(~ldv_func_arg1.base, ~ldv_func_arg1.offset); {2229#false} is VALID [2020-07-18 07:17:25,754 INFO L280 TraceCheckUtils]: 115: Hoare triple {2229#false} ~module.base, ~module.offset := #in~module.base, #in~module.offset; {2229#false} is VALID [2020-07-18 07:17:25,755 INFO L280 TraceCheckUtils]: 116: Hoare triple {2229#false} assume 0 != (~module.base + ~module.offset) % 18446744073709551616; {2229#false} is VALID [2020-07-18 07:17:25,755 INFO L280 TraceCheckUtils]: 117: Hoare triple {2229#false} assume ~ldv_module_refcounter~0 <= 1; {2229#false} is VALID [2020-07-18 07:17:25,755 INFO L263 TraceCheckUtils]: 118: Hoare triple {2229#false} call ldv_blast_assert(); {2229#false} is VALID [2020-07-18 07:17:25,755 INFO L280 TraceCheckUtils]: 119: Hoare triple {2229#false} assume !false; {2229#false} is VALID [2020-07-18 07:17:25,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 07:17:25,818 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1995619241] [2020-07-18 07:17:25,818 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 07:17:25,818 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-18 07:17:25,818 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681988814] [2020-07-18 07:17:25,820 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 120 [2020-07-18 07:17:25,824 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 07:17:25,825 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2020-07-18 07:17:25,961 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 120 edges. 120 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 07:17:25,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-18 07:17:25,962 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 07:17:25,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-18 07:17:25,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-07-18 07:17:25,964 INFO L87 Difference]: Start difference. First operand 287 states and 313 transitions. Second operand 10 states. [2020-07-18 07:17:30,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 07:17:30,874 INFO L93 Difference]: Finished difference Result 495 states and 547 transitions. [2020-07-18 07:17:30,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-18 07:17:30,874 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 120 [2020-07-18 07:17:30,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 07:17:30,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-18 07:17:30,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 335 transitions. [2020-07-18 07:17:30,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-18 07:17:30,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 335 transitions. [2020-07-18 07:17:30,894 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 335 transitions. [2020-07-18 07:17:31,416 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 335 edges. 335 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 07:17:31,428 INFO L225 Difference]: With dead ends: 495 [2020-07-18 07:17:31,428 INFO L226 Difference]: Without dead ends: 257 [2020-07-18 07:17:31,433 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2020-07-18 07:17:31,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2020-07-18 07:17:32,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 244. [2020-07-18 07:17:32,423 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 07:17:32,423 INFO L82 GeneralOperation]: Start isEquivalent. First operand 257 states. Second operand 244 states. [2020-07-18 07:17:32,424 INFO L74 IsIncluded]: Start isIncluded. First operand 257 states. Second operand 244 states. [2020-07-18 07:17:32,424 INFO L87 Difference]: Start difference. First operand 257 states. Second operand 244 states. [2020-07-18 07:17:32,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 07:17:32,435 INFO L93 Difference]: Finished difference Result 257 states and 278 transitions. [2020-07-18 07:17:32,436 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 278 transitions. [2020-07-18 07:17:32,437 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 07:17:32,437 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 07:17:32,437 INFO L74 IsIncluded]: Start isIncluded. First operand 244 states. Second operand 257 states. [2020-07-18 07:17:32,437 INFO L87 Difference]: Start difference. First operand 244 states. Second operand 257 states. [2020-07-18 07:17:32,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 07:17:32,448 INFO L93 Difference]: Finished difference Result 257 states and 278 transitions. [2020-07-18 07:17:32,448 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 278 transitions. [2020-07-18 07:17:32,449 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 07:17:32,449 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 07:17:32,449 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 07:17:32,450 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 07:17:32,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-07-18 07:17:32,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 264 transitions. [2020-07-18 07:17:32,459 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 264 transitions. Word has length 120 [2020-07-18 07:17:32,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 07:17:32,460 INFO L479 AbstractCegarLoop]: Abstraction has 244 states and 264 transitions. [2020-07-18 07:17:32,460 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-18 07:17:32,460 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 244 states and 264 transitions. [2020-07-18 07:17:32,935 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 264 edges. 264 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 07:17:32,935 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 264 transitions. [2020-07-18 07:17:32,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-07-18 07:17:32,938 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 07:17:32,938 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 07:17:32,939 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-18 07:17:32,939 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 07:17:32,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 07:17:32,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1108936363, now seen corresponding path program 1 times [2020-07-18 07:17:32,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 07:17:32,940 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [669103932] [2020-07-18 07:17:32,940 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 07:17:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 07:17:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 07:17:33,107 INFO L280 TraceCheckUtils]: 0: Hoare triple {4407#(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; {4312#true} is VALID [2020-07-18 07:17:33,108 INFO L280 TraceCheckUtils]: 1: Hoare triple {4312#true} #valid := #valid[0 := 0]; {4312#true} is VALID [2020-07-18 07:17:33,108 INFO L280 TraceCheckUtils]: 2: Hoare triple {4312#true} assume 0 < #StackHeapBarrier; {4312#true} is VALID [2020-07-18 07:17:33,108 INFO L280 TraceCheckUtils]: 3: Hoare triple {4312#true} SUMMARY for call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(15); srcloc: L4876 {4312#true} is VALID [2020-07-18 07:17:33,109 INFO L280 TraceCheckUtils]: 4: Hoare triple {4312#true} SUMMARY for call ~#pppox_protos~0.base, ~#pppox_protos~0.offset := #Ultimate.allocOnStack(32); srcloc: L4876-1 {4312#true} is VALID [2020-07-18 07:17:33,109 INFO L280 TraceCheckUtils]: 5: Hoare triple {4312#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, ~#pppox_protos~0.offset, 8); srcloc: L4728 {4312#true} is VALID [2020-07-18 07:17:33,109 INFO L280 TraceCheckUtils]: 6: Hoare triple {4312#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 8 + ~#pppox_protos~0.offset, 8); srcloc: L4728-1 {4312#true} is VALID [2020-07-18 07:17:33,109 INFO L280 TraceCheckUtils]: 7: Hoare triple {4312#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 16 + ~#pppox_protos~0.offset, 8); srcloc: L4728-2 {4312#true} is VALID [2020-07-18 07:17:33,110 INFO L280 TraceCheckUtils]: 8: Hoare triple {4312#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 24 + ~#pppox_protos~0.offset, 8); srcloc: L4728-3 {4312#true} is VALID [2020-07-18 07:17:33,110 INFO L280 TraceCheckUtils]: 9: Hoare triple {4312#true} SUMMARY for call ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset := #Ultimate.allocOnStack(20); srcloc: L4728-4 {4312#true} is VALID [2020-07-18 07:17:33,110 INFO L280 TraceCheckUtils]: 10: Hoare triple {4312#true} SUMMARY for call write~init~int(24, ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset, 4); srcloc: L4899 {4312#true} is VALID [2020-07-18 07:17:33,110 INFO L280 TraceCheckUtils]: 11: Hoare triple {4312#true} SUMMARY for call write~init~$Pointer$(#funAddr~pppox_create.base, #funAddr~pppox_create.offset, ~#pppox_proto_family~0.base, 4 + ~#pppox_proto_family~0.offset, 8); srcloc: L4899-1 {4312#true} is VALID [2020-07-18 07:17:33,111 INFO L280 TraceCheckUtils]: 12: Hoare triple {4312#true} SUMMARY for call write~init~$Pointer$(~#__this_module~0.base, ~#__this_module~0.offset, ~#pppox_proto_family~0.base, 12 + ~#pppox_proto_family~0.offset, 8); srcloc: L4899-2 {4312#true} is VALID [2020-07-18 07:17:33,111 INFO L280 TraceCheckUtils]: 13: Hoare triple {4312#true} ~LDV_IN_INTERRUPT~0 := 0; {4312#true} is VALID [2020-07-18 07:17:33,111 INFO L280 TraceCheckUtils]: 14: Hoare triple {4312#true} ~ldv_module_refcounter~0 := 1; {4312#true} is VALID [2020-07-18 07:17:33,111 INFO L280 TraceCheckUtils]: 15: Hoare triple {4312#true} assume true; {4312#true} is VALID [2020-07-18 07:17:33,113 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {4312#true} {4312#true} #461#return; {4312#true} is VALID [2020-07-18 07:17:33,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 07:17:33,121 INFO L280 TraceCheckUtils]: 0: Hoare triple {4312#true} assume true; {4312#true} is VALID [2020-07-18 07:17:33,122 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {4312#true} {4312#true} #429#return; {4312#true} is VALID [2020-07-18 07:17:33,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 07:17:33,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 07:17:33,145 INFO L280 TraceCheckUtils]: 0: Hoare triple {4312#true} ~arg0.base, ~arg0.offset := #in~arg0.base, #in~arg0.offset; {4312#true} is VALID [2020-07-18 07:17:33,146 INFO L280 TraceCheckUtils]: 1: Hoare triple {4312#true} assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647; {4312#true} is VALID [2020-07-18 07:17:33,146 INFO L280 TraceCheckUtils]: 2: Hoare triple {4312#true} #res := #t~nondet56; {4312#true} is VALID [2020-07-18 07:17:33,146 INFO L280 TraceCheckUtils]: 3: Hoare triple {4312#true} havoc #t~nondet56; {4312#true} is VALID [2020-07-18 07:17:33,147 INFO L280 TraceCheckUtils]: 4: Hoare triple {4312#true} assume true; {4312#true} is VALID [2020-07-18 07:17:33,147 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {4312#true} {4312#true} #455#return; {4312#true} is VALID [2020-07-18 07:17:33,147 INFO L280 TraceCheckUtils]: 0: Hoare triple {4312#true} havoc ~tmp~3; {4312#true} is VALID [2020-07-18 07:17:33,148 INFO L263 TraceCheckUtils]: 1: Hoare triple {4312#true} call #t~ret46 := sock_register(~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset); {4312#true} is VALID [2020-07-18 07:17:33,148 INFO L280 TraceCheckUtils]: 2: Hoare triple {4312#true} ~arg0.base, ~arg0.offset := #in~arg0.base, #in~arg0.offset; {4312#true} is VALID [2020-07-18 07:17:33,148 INFO L280 TraceCheckUtils]: 3: Hoare triple {4312#true} assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647; {4312#true} is VALID [2020-07-18 07:17:33,148 INFO L280 TraceCheckUtils]: 4: Hoare triple {4312#true} #res := #t~nondet56; {4312#true} is VALID [2020-07-18 07:17:33,148 INFO L280 TraceCheckUtils]: 5: Hoare triple {4312#true} havoc #t~nondet56; {4312#true} is VALID [2020-07-18 07:17:33,149 INFO L280 TraceCheckUtils]: 6: Hoare triple {4312#true} assume true; {4312#true} is VALID [2020-07-18 07:17:33,149 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {4312#true} {4312#true} #455#return; {4312#true} is VALID [2020-07-18 07:17:33,149 INFO L280 TraceCheckUtils]: 8: Hoare triple {4312#true} assume -2147483648 <= #t~ret46 && #t~ret46 <= 2147483647; {4312#true} is VALID [2020-07-18 07:17:33,150 INFO L280 TraceCheckUtils]: 9: Hoare triple {4312#true} ~tmp~3 := #t~ret46; {4312#true} is VALID [2020-07-18 07:17:33,150 INFO L280 TraceCheckUtils]: 10: Hoare triple {4312#true} havoc #t~ret46; {4312#true} is VALID [2020-07-18 07:17:33,150 INFO L280 TraceCheckUtils]: 11: Hoare triple {4312#true} #res := ~tmp~3; {4312#true} is VALID [2020-07-18 07:17:33,150 INFO L280 TraceCheckUtils]: 12: Hoare triple {4312#true} assume true; {4312#true} is VALID [2020-07-18 07:17:33,151 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {4312#true} {4312#true} #431#return; {4312#true} is VALID [2020-07-18 07:17:33,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 07:17:33,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 07:17:33,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 07:17:33,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 07:17:33,389 INFO L280 TraceCheckUtils]: 0: Hoare triple {4312#true} assume -2147483648 <= #t~nondet54 && #t~nondet54 <= 2147483647; {4312#true} is VALID [2020-07-18 07:17:33,389 INFO L280 TraceCheckUtils]: 1: Hoare triple {4312#true} #res := #t~nondet54; {4312#true} is VALID [2020-07-18 07:17:33,389 INFO L280 TraceCheckUtils]: 2: Hoare triple {4312#true} havoc #t~nondet54; {4312#true} is VALID [2020-07-18 07:17:33,390 INFO L280 TraceCheckUtils]: 3: Hoare triple {4312#true} assume true; {4312#true} is VALID [2020-07-18 07:17:33,390 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4312#true} {4312#true} #439#return; {4312#true} is VALID [2020-07-18 07:17:33,390 INFO L280 TraceCheckUtils]: 0: Hoare triple {4414#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~module.base, ~module.offset := #in~module.base, #in~module.offset; {4312#true} is VALID [2020-07-18 07:17:33,391 INFO L280 TraceCheckUtils]: 1: Hoare triple {4312#true} havoc ~module_get_succeeded~0; {4312#true} is VALID [2020-07-18 07:17:33,391 INFO L280 TraceCheckUtils]: 2: Hoare triple {4312#true} assume 0 != (~module.base + ~module.offset) % 18446744073709551616; {4312#true} is VALID [2020-07-18 07:17:33,392 INFO L263 TraceCheckUtils]: 3: Hoare triple {4312#true} call #t~ret51 := ldv_undefined_int(); {4312#true} is VALID [2020-07-18 07:17:33,393 INFO L280 TraceCheckUtils]: 4: Hoare triple {4312#true} assume -2147483648 <= #t~nondet54 && #t~nondet54 <= 2147483647; {4312#true} is VALID [2020-07-18 07:17:33,393 INFO L280 TraceCheckUtils]: 5: Hoare triple {4312#true} #res := #t~nondet54; {4312#true} is VALID [2020-07-18 07:17:33,393 INFO L280 TraceCheckUtils]: 6: Hoare triple {4312#true} havoc #t~nondet54; {4312#true} is VALID [2020-07-18 07:17:33,394 INFO L280 TraceCheckUtils]: 7: Hoare triple {4312#true} assume true; {4312#true} is VALID [2020-07-18 07:17:33,394 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {4312#true} {4312#true} #439#return; {4312#true} is VALID [2020-07-18 07:17:33,394 INFO L280 TraceCheckUtils]: 9: Hoare triple {4312#true} assume -2147483648 <= #t~ret51 && #t~ret51 <= 2147483647; {4312#true} is VALID [2020-07-18 07:17:33,394 INFO L280 TraceCheckUtils]: 10: Hoare triple {4312#true} ~module_get_succeeded~0 := #t~ret51; {4312#true} is VALID [2020-07-18 07:17:33,395 INFO L280 TraceCheckUtils]: 11: Hoare triple {4312#true} havoc #t~ret51; {4312#true} is VALID [2020-07-18 07:17:33,399 INFO L280 TraceCheckUtils]: 12: Hoare triple {4312#true} assume 1 == ~module_get_succeeded~0; {4312#true} is VALID [2020-07-18 07:17:33,400 INFO L280 TraceCheckUtils]: 13: Hoare triple {4312#true} ~ldv_module_refcounter~0 := 1 + ~ldv_module_refcounter~0; {4312#true} is VALID [2020-07-18 07:17:33,406 INFO L280 TraceCheckUtils]: 14: Hoare triple {4312#true} #res := 1; {4468#(<= 1 |ldv_try_module_get_#res|)} is VALID [2020-07-18 07:17:33,407 INFO L280 TraceCheckUtils]: 15: Hoare triple {4468#(<= 1 |ldv_try_module_get_#res|)} assume true; {4468#(<= 1 |ldv_try_module_get_#res|)} is VALID [2020-07-18 07:17:33,408 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {4468#(<= 1 |ldv_try_module_get_#res|)} {4312#true} #459#return; {4460#(<= 1 |ldv_try_module_get_1_#t~ret52|)} is VALID [2020-07-18 07:17:33,409 INFO L280 TraceCheckUtils]: 0: Hoare triple {4414#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~module.base, ~module.offset := #in~module.base, #in~module.offset; {4312#true} is VALID [2020-07-18 07:17:33,409 INFO L280 TraceCheckUtils]: 1: Hoare triple {4312#true} havoc ~tmp~5; {4312#true} is VALID [2020-07-18 07:17:33,411 INFO L263 TraceCheckUtils]: 2: Hoare triple {4312#true} call #t~ret52 := ldv_try_module_get(~module.base, ~module.offset); {4414#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-18 07:17:33,411 INFO L280 TraceCheckUtils]: 3: Hoare triple {4414#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~module.base, ~module.offset := #in~module.base, #in~module.offset; {4312#true} is VALID [2020-07-18 07:17:33,411 INFO L280 TraceCheckUtils]: 4: Hoare triple {4312#true} havoc ~module_get_succeeded~0; {4312#true} is VALID [2020-07-18 07:17:33,412 INFO L280 TraceCheckUtils]: 5: Hoare triple {4312#true} assume 0 != (~module.base + ~module.offset) % 18446744073709551616; {4312#true} is VALID [2020-07-18 07:17:33,412 INFO L263 TraceCheckUtils]: 6: Hoare triple {4312#true} call #t~ret51 := ldv_undefined_int(); {4312#true} is VALID [2020-07-18 07:17:33,412 INFO L280 TraceCheckUtils]: 7: Hoare triple {4312#true} assume -2147483648 <= #t~nondet54 && #t~nondet54 <= 2147483647; {4312#true} is VALID [2020-07-18 07:17:33,413 INFO L280 TraceCheckUtils]: 8: Hoare triple {4312#true} #res := #t~nondet54; {4312#true} is VALID [2020-07-18 07:17:33,413 INFO L280 TraceCheckUtils]: 9: Hoare triple {4312#true} havoc #t~nondet54; {4312#true} is VALID [2020-07-18 07:17:33,413 INFO L280 TraceCheckUtils]: 10: Hoare triple {4312#true} assume true; {4312#true} is VALID [2020-07-18 07:17:33,413 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {4312#true} {4312#true} #439#return; {4312#true} is VALID [2020-07-18 07:17:33,414 INFO L280 TraceCheckUtils]: 12: Hoare triple {4312#true} assume -2147483648 <= #t~ret51 && #t~ret51 <= 2147483647; {4312#true} is VALID [2020-07-18 07:17:33,414 INFO L280 TraceCheckUtils]: 13: Hoare triple {4312#true} ~module_get_succeeded~0 := #t~ret51; {4312#true} is VALID [2020-07-18 07:17:33,414 INFO L280 TraceCheckUtils]: 14: Hoare triple {4312#true} havoc #t~ret51; {4312#true} is VALID [2020-07-18 07:17:33,419 INFO L280 TraceCheckUtils]: 15: Hoare triple {4312#true} assume 1 == ~module_get_succeeded~0; {4312#true} is VALID [2020-07-18 07:17:33,419 INFO L280 TraceCheckUtils]: 16: Hoare triple {4312#true} ~ldv_module_refcounter~0 := 1 + ~ldv_module_refcounter~0; {4312#true} is VALID [2020-07-18 07:17:33,422 INFO L280 TraceCheckUtils]: 17: Hoare triple {4312#true} #res := 1; {4468#(<= 1 |ldv_try_module_get_#res|)} is VALID [2020-07-18 07:17:33,422 INFO L280 TraceCheckUtils]: 18: Hoare triple {4468#(<= 1 |ldv_try_module_get_#res|)} assume true; {4468#(<= 1 |ldv_try_module_get_#res|)} is VALID [2020-07-18 07:17:33,424 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {4468#(<= 1 |ldv_try_module_get_#res|)} {4312#true} #459#return; {4460#(<= 1 |ldv_try_module_get_1_#t~ret52|)} is VALID [2020-07-18 07:17:33,424 INFO L280 TraceCheckUtils]: 20: Hoare triple {4460#(<= 1 |ldv_try_module_get_1_#t~ret52|)} assume -2147483648 <= #t~ret52 && #t~ret52 <= 2147483647; {4460#(<= 1 |ldv_try_module_get_1_#t~ret52|)} is VALID [2020-07-18 07:17:33,425 INFO L280 TraceCheckUtils]: 21: Hoare triple {4460#(<= 1 |ldv_try_module_get_1_#t~ret52|)} ~tmp~5 := #t~ret52; {4461#(<= 1 ldv_try_module_get_1_~tmp~5)} is VALID [2020-07-18 07:17:33,426 INFO L280 TraceCheckUtils]: 22: Hoare triple {4461#(<= 1 ldv_try_module_get_1_~tmp~5)} havoc #t~ret52; {4461#(<= 1 ldv_try_module_get_1_~tmp~5)} is VALID [2020-07-18 07:17:33,427 INFO L280 TraceCheckUtils]: 23: Hoare triple {4461#(<= 1 ldv_try_module_get_1_~tmp~5)} #res := ~tmp~5; {4462#(<= 1 |ldv_try_module_get_1_#res|)} is VALID [2020-07-18 07:17:33,427 INFO L280 TraceCheckUtils]: 24: Hoare triple {4462#(<= 1 |ldv_try_module_get_1_#res|)} assume true; {4462#(<= 1 |ldv_try_module_get_1_#res|)} is VALID [2020-07-18 07:17:33,428 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {4462#(<= 1 |ldv_try_module_get_1_#res|)} {4312#true} #441#return; {4441#(<= 1 |pppox_create_#t~ret36|)} is VALID [2020-07-18 07:17:33,429 INFO L280 TraceCheckUtils]: 0: Hoare triple {4414#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~net.base, ~net.offset := #in~net.base, #in~net.offset; {4312#true} is VALID [2020-07-18 07:17:33,430 INFO L280 TraceCheckUtils]: 1: Hoare triple {4312#true} ~sock.base, ~sock.offset := #in~sock.base, #in~sock.offset; {4312#true} is VALID [2020-07-18 07:17:33,430 INFO L280 TraceCheckUtils]: 2: Hoare triple {4312#true} ~protocol := #in~protocol; {4312#true} is VALID [2020-07-18 07:17:33,430 INFO L280 TraceCheckUtils]: 3: Hoare triple {4312#true} ~kern := #in~kern; {4312#true} is VALID [2020-07-18 07:17:33,430 INFO L280 TraceCheckUtils]: 4: Hoare triple {4312#true} havoc ~rc~1; {4312#true} is VALID [2020-07-18 07:17:33,430 INFO L280 TraceCheckUtils]: 5: Hoare triple {4312#true} havoc ~tmp~2; {4312#true} is VALID [2020-07-18 07:17:33,431 INFO L280 TraceCheckUtils]: 6: Hoare triple {4312#true} ~rc~1 := -91; {4312#true} is VALID [2020-07-18 07:17:33,431 INFO L280 TraceCheckUtils]: 7: Hoare triple {4312#true} assume !(~protocol < 0); {4312#true} is VALID [2020-07-18 07:17:33,431 INFO L280 TraceCheckUtils]: 8: Hoare triple {4312#true} assume !(~protocol > 3); {4312#true} is VALID [2020-07-18 07:17:33,431 INFO L280 TraceCheckUtils]: 9: Hoare triple {4312#true} ~rc~1 := -93; {4312#true} is VALID [2020-07-18 07:17:33,432 INFO L280 TraceCheckUtils]: 10: Hoare triple {4312#true} SUMMARY for call #t~mem30.base, #t~mem30.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8); srcloc: L4874 {4312#true} is VALID [2020-07-18 07:17:33,432 INFO L280 TraceCheckUtils]: 11: Hoare triple {4312#true} assume !(0 == (#t~mem30.base + #t~mem30.offset) % 18446744073709551616); {4312#true} is VALID [2020-07-18 07:17:33,432 INFO L280 TraceCheckUtils]: 12: Hoare triple {4312#true} havoc #t~mem30.base, #t~mem30.offset; {4312#true} is VALID [2020-07-18 07:17:33,434 INFO L280 TraceCheckUtils]: 13: Hoare triple {4312#true} SUMMARY for call #t~mem33.base, #t~mem33.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8); srcloc: L4874-5 {4312#true} is VALID [2020-07-18 07:17:33,434 INFO L280 TraceCheckUtils]: 14: Hoare triple {4312#true} assume !(0 == (#t~mem33.base + #t~mem33.offset) % 18446744073709551616); {4312#true} is VALID [2020-07-18 07:17:33,434 INFO L280 TraceCheckUtils]: 15: Hoare triple {4312#true} havoc #t~mem33.base, #t~mem33.offset; {4312#true} is VALID [2020-07-18 07:17:33,435 INFO L280 TraceCheckUtils]: 16: Hoare triple {4312#true} SUMMARY for call #t~mem34.base, #t~mem34.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8); srcloc: L4884 {4312#true} is VALID [2020-07-18 07:17:33,435 INFO L280 TraceCheckUtils]: 17: Hoare triple {4312#true} SUMMARY for call #t~mem35.base, #t~mem35.offset := read~$Pointer$(#t~mem34.base, 16 + #t~mem34.offset, 8); srcloc: L4884-1 {4312#true} is VALID [2020-07-18 07:17:33,439 INFO L263 TraceCheckUtils]: 18: Hoare triple {4312#true} call #t~ret36 := ldv_try_module_get_1(#t~mem35.base, #t~mem35.offset); {4414#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-18 07:17:33,440 INFO L280 TraceCheckUtils]: 19: Hoare triple {4414#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~module.base, ~module.offset := #in~module.base, #in~module.offset; {4312#true} is VALID [2020-07-18 07:17:33,440 INFO L280 TraceCheckUtils]: 20: Hoare triple {4312#true} havoc ~tmp~5; {4312#true} is VALID [2020-07-18 07:17:33,444 INFO L263 TraceCheckUtils]: 21: Hoare triple {4312#true} call #t~ret52 := ldv_try_module_get(~module.base, ~module.offset); {4414#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-18 07:17:33,444 INFO L280 TraceCheckUtils]: 22: Hoare triple {4414#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~module.base, ~module.offset := #in~module.base, #in~module.offset; {4312#true} is VALID [2020-07-18 07:17:33,445 INFO L280 TraceCheckUtils]: 23: Hoare triple {4312#true} havoc ~module_get_succeeded~0; {4312#true} is VALID [2020-07-18 07:17:33,445 INFO L280 TraceCheckUtils]: 24: Hoare triple {4312#true} assume 0 != (~module.base + ~module.offset) % 18446744073709551616; {4312#true} is VALID [2020-07-18 07:17:33,445 INFO L263 TraceCheckUtils]: 25: Hoare triple {4312#true} call #t~ret51 := ldv_undefined_int(); {4312#true} is VALID [2020-07-18 07:17:33,446 INFO L280 TraceCheckUtils]: 26: Hoare triple {4312#true} assume -2147483648 <= #t~nondet54 && #t~nondet54 <= 2147483647; {4312#true} is VALID [2020-07-18 07:17:33,446 INFO L280 TraceCheckUtils]: 27: Hoare triple {4312#true} #res := #t~nondet54; {4312#true} is VALID [2020-07-18 07:17:33,446 INFO L280 TraceCheckUtils]: 28: Hoare triple {4312#true} havoc #t~nondet54; {4312#true} is VALID [2020-07-18 07:17:33,446 INFO L280 TraceCheckUtils]: 29: Hoare triple {4312#true} assume true; {4312#true} is VALID [2020-07-18 07:17:33,447 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {4312#true} {4312#true} #439#return; {4312#true} is VALID [2020-07-18 07:17:33,447 INFO L280 TraceCheckUtils]: 31: Hoare triple {4312#true} assume -2147483648 <= #t~ret51 && #t~ret51 <= 2147483647; {4312#true} is VALID [2020-07-18 07:17:33,447 INFO L280 TraceCheckUtils]: 32: Hoare triple {4312#true} ~module_get_succeeded~0 := #t~ret51; {4312#true} is VALID [2020-07-18 07:17:33,447 INFO L280 TraceCheckUtils]: 33: Hoare triple {4312#true} havoc #t~ret51; {4312#true} is VALID [2020-07-18 07:17:33,448 INFO L280 TraceCheckUtils]: 34: Hoare triple {4312#true} assume 1 == ~module_get_succeeded~0; {4312#true} is VALID [2020-07-18 07:17:33,448 INFO L280 TraceCheckUtils]: 35: Hoare triple {4312#true} ~ldv_module_refcounter~0 := 1 + ~ldv_module_refcounter~0; {4312#true} is VALID [2020-07-18 07:17:33,449 INFO L280 TraceCheckUtils]: 36: Hoare triple {4312#true} #res := 1; {4468#(<= 1 |ldv_try_module_get_#res|)} is VALID [2020-07-18 07:17:33,450 INFO L280 TraceCheckUtils]: 37: Hoare triple {4468#(<= 1 |ldv_try_module_get_#res|)} assume true; {4468#(<= 1 |ldv_try_module_get_#res|)} is VALID [2020-07-18 07:17:33,451 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {4468#(<= 1 |ldv_try_module_get_#res|)} {4312#true} #459#return; {4460#(<= 1 |ldv_try_module_get_1_#t~ret52|)} is VALID [2020-07-18 07:17:33,452 INFO L280 TraceCheckUtils]: 39: Hoare triple {4460#(<= 1 |ldv_try_module_get_1_#t~ret52|)} assume -2147483648 <= #t~ret52 && #t~ret52 <= 2147483647; {4460#(<= 1 |ldv_try_module_get_1_#t~ret52|)} is VALID [2020-07-18 07:17:33,453 INFO L280 TraceCheckUtils]: 40: Hoare triple {4460#(<= 1 |ldv_try_module_get_1_#t~ret52|)} ~tmp~5 := #t~ret52; {4461#(<= 1 ldv_try_module_get_1_~tmp~5)} is VALID [2020-07-18 07:17:33,453 INFO L280 TraceCheckUtils]: 41: Hoare triple {4461#(<= 1 ldv_try_module_get_1_~tmp~5)} havoc #t~ret52; {4461#(<= 1 ldv_try_module_get_1_~tmp~5)} is VALID [2020-07-18 07:17:33,455 INFO L280 TraceCheckUtils]: 42: Hoare triple {4461#(<= 1 ldv_try_module_get_1_~tmp~5)} #res := ~tmp~5; {4462#(<= 1 |ldv_try_module_get_1_#res|)} is VALID [2020-07-18 07:17:33,455 INFO L280 TraceCheckUtils]: 43: Hoare triple {4462#(<= 1 |ldv_try_module_get_1_#res|)} assume true; {4462#(<= 1 |ldv_try_module_get_1_#res|)} is VALID [2020-07-18 07:17:33,456 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {4462#(<= 1 |ldv_try_module_get_1_#res|)} {4312#true} #441#return; {4441#(<= 1 |pppox_create_#t~ret36|)} is VALID [2020-07-18 07:17:33,457 INFO L280 TraceCheckUtils]: 45: Hoare triple {4441#(<= 1 |pppox_create_#t~ret36|)} assume -2147483648 <= #t~ret36 && #t~ret36 <= 2147483647; {4441#(<= 1 |pppox_create_#t~ret36|)} is VALID [2020-07-18 07:17:33,458 INFO L280 TraceCheckUtils]: 46: Hoare triple {4441#(<= 1 |pppox_create_#t~ret36|)} ~tmp~2 := #t~ret36; {4442#(<= 1 pppox_create_~tmp~2)} is VALID [2020-07-18 07:17:33,458 INFO L280 TraceCheckUtils]: 47: Hoare triple {4442#(<= 1 pppox_create_~tmp~2)} havoc #t~mem34.base, #t~mem34.offset; {4442#(<= 1 pppox_create_~tmp~2)} is VALID [2020-07-18 07:17:33,459 INFO L280 TraceCheckUtils]: 48: Hoare triple {4442#(<= 1 pppox_create_~tmp~2)} havoc #t~ret36; {4442#(<= 1 pppox_create_~tmp~2)} is VALID [2020-07-18 07:17:33,460 INFO L280 TraceCheckUtils]: 49: Hoare triple {4442#(<= 1 pppox_create_~tmp~2)} havoc #t~mem35.base, #t~mem35.offset; {4442#(<= 1 pppox_create_~tmp~2)} is VALID [2020-07-18 07:17:33,460 INFO L280 TraceCheckUtils]: 50: Hoare triple {4442#(<= 1 pppox_create_~tmp~2)} assume 0 == ~tmp~2; {4313#false} is VALID [2020-07-18 07:17:33,461 INFO L280 TraceCheckUtils]: 51: Hoare triple {4313#false} #res := ~rc~1; {4313#false} is VALID [2020-07-18 07:17:33,461 INFO L280 TraceCheckUtils]: 52: Hoare triple {4313#false} assume true; {4313#false} is VALID [2020-07-18 07:17:33,461 INFO L275 TraceCheckUtils]: 53: Hoare quadruple {4313#false} {4312#true} #433#return; {4313#false} is VALID [2020-07-18 07:17:33,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 07:17:33,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 07:17:33,480 INFO L280 TraceCheckUtils]: 0: Hoare triple {4312#true} ~arg0 := #in~arg0; {4312#true} is VALID [2020-07-18 07:17:33,480 INFO L280 TraceCheckUtils]: 1: Hoare triple {4312#true} assume true; {4312#true} is VALID [2020-07-18 07:17:33,481 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {4312#true} {4312#true} #449#return; {4312#true} is VALID [2020-07-18 07:17:33,481 INFO L263 TraceCheckUtils]: 0: Hoare triple {4312#true} call sock_unregister(24); {4312#true} is VALID [2020-07-18 07:17:33,481 INFO L280 TraceCheckUtils]: 1: Hoare triple {4312#true} ~arg0 := #in~arg0; {4312#true} is VALID [2020-07-18 07:17:33,481 INFO L280 TraceCheckUtils]: 2: Hoare triple {4312#true} assume true; {4312#true} is VALID [2020-07-18 07:17:33,482 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4312#true} {4312#true} #449#return; {4312#true} is VALID [2020-07-18 07:17:33,482 INFO L280 TraceCheckUtils]: 4: Hoare triple {4312#true} assume true; {4312#true} is VALID [2020-07-18 07:17:33,482 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {4312#true} {4313#false} #435#return; {4313#false} is VALID [2020-07-18 07:17:33,483 INFO L263 TraceCheckUtils]: 0: Hoare triple {4312#true} call ULTIMATE.init(); {4407#(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 [2020-07-18 07:17:33,484 INFO L280 TraceCheckUtils]: 1: Hoare triple {4407#(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; {4312#true} is VALID [2020-07-18 07:17:33,484 INFO L280 TraceCheckUtils]: 2: Hoare triple {4312#true} #valid := #valid[0 := 0]; {4312#true} is VALID [2020-07-18 07:17:33,484 INFO L280 TraceCheckUtils]: 3: Hoare triple {4312#true} assume 0 < #StackHeapBarrier; {4312#true} is VALID [2020-07-18 07:17:33,484 INFO L280 TraceCheckUtils]: 4: Hoare triple {4312#true} SUMMARY for call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(15); srcloc: L4876 {4312#true} is VALID [2020-07-18 07:17:33,485 INFO L280 TraceCheckUtils]: 5: Hoare triple {4312#true} SUMMARY for call ~#pppox_protos~0.base, ~#pppox_protos~0.offset := #Ultimate.allocOnStack(32); srcloc: L4876-1 {4312#true} is VALID [2020-07-18 07:17:33,485 INFO L280 TraceCheckUtils]: 6: Hoare triple {4312#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, ~#pppox_protos~0.offset, 8); srcloc: L4728 {4312#true} is VALID [2020-07-18 07:17:33,485 INFO L280 TraceCheckUtils]: 7: Hoare triple {4312#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 8 + ~#pppox_protos~0.offset, 8); srcloc: L4728-1 {4312#true} is VALID [2020-07-18 07:17:33,485 INFO L280 TraceCheckUtils]: 8: Hoare triple {4312#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 16 + ~#pppox_protos~0.offset, 8); srcloc: L4728-2 {4312#true} is VALID [2020-07-18 07:17:33,485 INFO L280 TraceCheckUtils]: 9: Hoare triple {4312#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 24 + ~#pppox_protos~0.offset, 8); srcloc: L4728-3 {4312#true} is VALID [2020-07-18 07:17:33,486 INFO L280 TraceCheckUtils]: 10: Hoare triple {4312#true} SUMMARY for call ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset := #Ultimate.allocOnStack(20); srcloc: L4728-4 {4312#true} is VALID [2020-07-18 07:17:33,486 INFO L280 TraceCheckUtils]: 11: Hoare triple {4312#true} SUMMARY for call write~init~int(24, ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset, 4); srcloc: L4899 {4312#true} is VALID [2020-07-18 07:17:33,486 INFO L280 TraceCheckUtils]: 12: Hoare triple {4312#true} SUMMARY for call write~init~$Pointer$(#funAddr~pppox_create.base, #funAddr~pppox_create.offset, ~#pppox_proto_family~0.base, 4 + ~#pppox_proto_family~0.offset, 8); srcloc: L4899-1 {4312#true} is VALID [2020-07-18 07:17:33,486 INFO L280 TraceCheckUtils]: 13: Hoare triple {4312#true} SUMMARY for call write~init~$Pointer$(~#__this_module~0.base, ~#__this_module~0.offset, ~#pppox_proto_family~0.base, 12 + ~#pppox_proto_family~0.offset, 8); srcloc: L4899-2 {4312#true} is VALID [2020-07-18 07:17:33,487 INFO L280 TraceCheckUtils]: 14: Hoare triple {4312#true} ~LDV_IN_INTERRUPT~0 := 0; {4312#true} is VALID [2020-07-18 07:17:33,487 INFO L280 TraceCheckUtils]: 15: Hoare triple {4312#true} ~ldv_module_refcounter~0 := 1; {4312#true} is VALID [2020-07-18 07:17:33,487 INFO L280 TraceCheckUtils]: 16: Hoare triple {4312#true} assume true; {4312#true} is VALID [2020-07-18 07:17:33,487 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {4312#true} {4312#true} #461#return; {4312#true} is VALID [2020-07-18 07:17:33,488 INFO L263 TraceCheckUtils]: 18: Hoare triple {4312#true} call #t~ret58 := main(); {4312#true} is VALID [2020-07-18 07:17:33,488 INFO L280 TraceCheckUtils]: 19: Hoare triple {4312#true} havoc ~var_group1~0.base, ~var_group1~0.offset; {4312#true} is VALID [2020-07-18 07:17:33,488 INFO L280 TraceCheckUtils]: 20: Hoare triple {4312#true} havoc ~var_group2~0.base, ~var_group2~0.offset; {4312#true} is VALID [2020-07-18 07:17:33,490 INFO L280 TraceCheckUtils]: 21: Hoare triple {4312#true} havoc ~var_pppox_create_4_p2~0; {4312#true} is VALID [2020-07-18 07:17:33,490 INFO L280 TraceCheckUtils]: 22: Hoare triple {4312#true} havoc ~var_pppox_create_4_p3~0; {4312#true} is VALID [2020-07-18 07:17:33,491 INFO L280 TraceCheckUtils]: 23: Hoare triple {4312#true} havoc ~tmp~4; {4312#true} is VALID [2020-07-18 07:17:33,491 INFO L280 TraceCheckUtils]: 24: Hoare triple {4312#true} havoc ~tmp___0~1; {4312#true} is VALID [2020-07-18 07:17:33,491 INFO L280 TraceCheckUtils]: 25: Hoare triple {4312#true} havoc ~tmp___1~0; {4312#true} is VALID [2020-07-18 07:17:33,491 INFO L280 TraceCheckUtils]: 26: Hoare triple {4312#true} ~LDV_IN_INTERRUPT~0 := 1; {4312#true} is VALID [2020-07-18 07:17:33,491 INFO L263 TraceCheckUtils]: 27: Hoare triple {4312#true} call ldv_initialize(); {4312#true} is VALID [2020-07-18 07:17:33,492 INFO L280 TraceCheckUtils]: 28: Hoare triple {4312#true} assume true; {4312#true} is VALID [2020-07-18 07:17:33,492 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {4312#true} {4312#true} #429#return; {4312#true} is VALID [2020-07-18 07:17:33,492 INFO L263 TraceCheckUtils]: 30: Hoare triple {4312#true} call #t~ret47 := pppox_init(); {4312#true} is VALID [2020-07-18 07:17:33,492 INFO L280 TraceCheckUtils]: 31: Hoare triple {4312#true} havoc ~tmp~3; {4312#true} is VALID [2020-07-18 07:17:33,492 INFO L263 TraceCheckUtils]: 32: Hoare triple {4312#true} call #t~ret46 := sock_register(~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset); {4312#true} is VALID [2020-07-18 07:17:33,493 INFO L280 TraceCheckUtils]: 33: Hoare triple {4312#true} ~arg0.base, ~arg0.offset := #in~arg0.base, #in~arg0.offset; {4312#true} is VALID [2020-07-18 07:17:33,493 INFO L280 TraceCheckUtils]: 34: Hoare triple {4312#true} assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647; {4312#true} is VALID [2020-07-18 07:17:33,493 INFO L280 TraceCheckUtils]: 35: Hoare triple {4312#true} #res := #t~nondet56; {4312#true} is VALID [2020-07-18 07:17:33,494 INFO L280 TraceCheckUtils]: 36: Hoare triple {4312#true} havoc #t~nondet56; {4312#true} is VALID [2020-07-18 07:17:33,494 INFO L280 TraceCheckUtils]: 37: Hoare triple {4312#true} assume true; {4312#true} is VALID [2020-07-18 07:17:33,494 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {4312#true} {4312#true} #455#return; {4312#true} is VALID [2020-07-18 07:17:33,494 INFO L280 TraceCheckUtils]: 39: Hoare triple {4312#true} assume -2147483648 <= #t~ret46 && #t~ret46 <= 2147483647; {4312#true} is VALID [2020-07-18 07:17:33,494 INFO L280 TraceCheckUtils]: 40: Hoare triple {4312#true} ~tmp~3 := #t~ret46; {4312#true} is VALID [2020-07-18 07:17:33,494 INFO L280 TraceCheckUtils]: 41: Hoare triple {4312#true} havoc #t~ret46; {4312#true} is VALID [2020-07-18 07:17:33,495 INFO L280 TraceCheckUtils]: 42: Hoare triple {4312#true} #res := ~tmp~3; {4312#true} is VALID [2020-07-18 07:17:33,495 INFO L280 TraceCheckUtils]: 43: Hoare triple {4312#true} assume true; {4312#true} is VALID [2020-07-18 07:17:33,495 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {4312#true} {4312#true} #431#return; {4312#true} is VALID [2020-07-18 07:17:33,495 INFO L280 TraceCheckUtils]: 45: Hoare triple {4312#true} assume -2147483648 <= #t~ret47 && #t~ret47 <= 2147483647; {4312#true} is VALID [2020-07-18 07:17:33,495 INFO L280 TraceCheckUtils]: 46: Hoare triple {4312#true} ~tmp~4 := #t~ret47; {4312#true} is VALID [2020-07-18 07:17:33,496 INFO L280 TraceCheckUtils]: 47: Hoare triple {4312#true} havoc #t~ret47; {4312#true} is VALID [2020-07-18 07:17:33,496 INFO L280 TraceCheckUtils]: 48: Hoare triple {4312#true} assume !(0 != ~tmp~4); {4312#true} is VALID [2020-07-18 07:17:33,496 INFO L280 TraceCheckUtils]: 49: Hoare triple {4312#true} assume -2147483648 <= #t~nondet50 && #t~nondet50 <= 2147483647; {4312#true} is VALID [2020-07-18 07:17:33,497 INFO L280 TraceCheckUtils]: 50: Hoare triple {4312#true} ~tmp___1~0 := #t~nondet50; {4312#true} is VALID [2020-07-18 07:17:33,497 INFO L280 TraceCheckUtils]: 51: Hoare triple {4312#true} havoc #t~nondet50; {4312#true} is VALID [2020-07-18 07:17:33,497 INFO L280 TraceCheckUtils]: 52: Hoare triple {4312#true} assume 0 != ~tmp___1~0; {4312#true} is VALID [2020-07-18 07:17:33,500 INFO L280 TraceCheckUtils]: 53: Hoare triple {4312#true} assume -2147483648 <= #t~nondet48 && #t~nondet48 <= 2147483647; {4312#true} is VALID [2020-07-18 07:17:33,500 INFO L280 TraceCheckUtils]: 54: Hoare triple {4312#true} ~tmp___0~1 := #t~nondet48; {4312#true} is VALID [2020-07-18 07:17:33,501 INFO L280 TraceCheckUtils]: 55: Hoare triple {4312#true} havoc #t~nondet48; {4312#true} is VALID [2020-07-18 07:17:33,501 INFO L280 TraceCheckUtils]: 56: Hoare triple {4312#true} assume 0 == ~tmp___0~1; {4312#true} is VALID [2020-07-18 07:17:33,504 INFO L263 TraceCheckUtils]: 57: Hoare triple {4312#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); {4414#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-18 07:17:33,505 INFO L280 TraceCheckUtils]: 58: Hoare triple {4414#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~net.base, ~net.offset := #in~net.base, #in~net.offset; {4312#true} is VALID [2020-07-18 07:17:33,505 INFO L280 TraceCheckUtils]: 59: Hoare triple {4312#true} ~sock.base, ~sock.offset := #in~sock.base, #in~sock.offset; {4312#true} is VALID [2020-07-18 07:17:33,505 INFO L280 TraceCheckUtils]: 60: Hoare triple {4312#true} ~protocol := #in~protocol; {4312#true} is VALID [2020-07-18 07:17:33,505 INFO L280 TraceCheckUtils]: 61: Hoare triple {4312#true} ~kern := #in~kern; {4312#true} is VALID [2020-07-18 07:17:33,506 INFO L280 TraceCheckUtils]: 62: Hoare triple {4312#true} havoc ~rc~1; {4312#true} is VALID [2020-07-18 07:17:33,506 INFO L280 TraceCheckUtils]: 63: Hoare triple {4312#true} havoc ~tmp~2; {4312#true} is VALID [2020-07-18 07:17:33,506 INFO L280 TraceCheckUtils]: 64: Hoare triple {4312#true} ~rc~1 := -91; {4312#true} is VALID [2020-07-18 07:17:33,506 INFO L280 TraceCheckUtils]: 65: Hoare triple {4312#true} assume !(~protocol < 0); {4312#true} is VALID [2020-07-18 07:17:33,507 INFO L280 TraceCheckUtils]: 66: Hoare triple {4312#true} assume !(~protocol > 3); {4312#true} is VALID [2020-07-18 07:17:33,507 INFO L280 TraceCheckUtils]: 67: Hoare triple {4312#true} ~rc~1 := -93; {4312#true} is VALID [2020-07-18 07:17:33,507 INFO L280 TraceCheckUtils]: 68: Hoare triple {4312#true} SUMMARY for call #t~mem30.base, #t~mem30.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8); srcloc: L4874 {4312#true} is VALID [2020-07-18 07:17:33,507 INFO L280 TraceCheckUtils]: 69: Hoare triple {4312#true} assume !(0 == (#t~mem30.base + #t~mem30.offset) % 18446744073709551616); {4312#true} is VALID [2020-07-18 07:17:33,507 INFO L280 TraceCheckUtils]: 70: Hoare triple {4312#true} havoc #t~mem30.base, #t~mem30.offset; {4312#true} is VALID [2020-07-18 07:17:33,508 INFO L280 TraceCheckUtils]: 71: Hoare triple {4312#true} SUMMARY for call #t~mem33.base, #t~mem33.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8); srcloc: L4874-5 {4312#true} is VALID [2020-07-18 07:17:33,508 INFO L280 TraceCheckUtils]: 72: Hoare triple {4312#true} assume !(0 == (#t~mem33.base + #t~mem33.offset) % 18446744073709551616); {4312#true} is VALID [2020-07-18 07:17:33,508 INFO L280 TraceCheckUtils]: 73: Hoare triple {4312#true} havoc #t~mem33.base, #t~mem33.offset; {4312#true} is VALID [2020-07-18 07:17:33,508 INFO L280 TraceCheckUtils]: 74: Hoare triple {4312#true} SUMMARY for call #t~mem34.base, #t~mem34.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8); srcloc: L4884 {4312#true} is VALID [2020-07-18 07:17:33,509 INFO L280 TraceCheckUtils]: 75: Hoare triple {4312#true} SUMMARY for call #t~mem35.base, #t~mem35.offset := read~$Pointer$(#t~mem34.base, 16 + #t~mem34.offset, 8); srcloc: L4884-1 {4312#true} is VALID [2020-07-18 07:17:33,512 INFO L263 TraceCheckUtils]: 76: Hoare triple {4312#true} call #t~ret36 := ldv_try_module_get_1(#t~mem35.base, #t~mem35.offset); {4414#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-18 07:17:33,513 INFO L280 TraceCheckUtils]: 77: Hoare triple {4414#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~module.base, ~module.offset := #in~module.base, #in~module.offset; {4312#true} is VALID [2020-07-18 07:17:33,513 INFO L280 TraceCheckUtils]: 78: Hoare triple {4312#true} havoc ~tmp~5; {4312#true} is VALID [2020-07-18 07:17:33,514 INFO L263 TraceCheckUtils]: 79: Hoare triple {4312#true} call #t~ret52 := ldv_try_module_get(~module.base, ~module.offset); {4414#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-18 07:17:33,514 INFO L280 TraceCheckUtils]: 80: Hoare triple {4414#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~module.base, ~module.offset := #in~module.base, #in~module.offset; {4312#true} is VALID [2020-07-18 07:17:33,514 INFO L280 TraceCheckUtils]: 81: Hoare triple {4312#true} havoc ~module_get_succeeded~0; {4312#true} is VALID [2020-07-18 07:17:33,515 INFO L280 TraceCheckUtils]: 82: Hoare triple {4312#true} assume 0 != (~module.base + ~module.offset) % 18446744073709551616; {4312#true} is VALID [2020-07-18 07:17:33,515 INFO L263 TraceCheckUtils]: 83: Hoare triple {4312#true} call #t~ret51 := ldv_undefined_int(); {4312#true} is VALID [2020-07-18 07:17:33,515 INFO L280 TraceCheckUtils]: 84: Hoare triple {4312#true} assume -2147483648 <= #t~nondet54 && #t~nondet54 <= 2147483647; {4312#true} is VALID [2020-07-18 07:17:33,515 INFO L280 TraceCheckUtils]: 85: Hoare triple {4312#true} #res := #t~nondet54; {4312#true} is VALID [2020-07-18 07:17:33,516 INFO L280 TraceCheckUtils]: 86: Hoare triple {4312#true} havoc #t~nondet54; {4312#true} is VALID [2020-07-18 07:17:33,516 INFO L280 TraceCheckUtils]: 87: Hoare triple {4312#true} assume true; {4312#true} is VALID [2020-07-18 07:17:33,520 INFO L275 TraceCheckUtils]: 88: Hoare quadruple {4312#true} {4312#true} #439#return; {4312#true} is VALID [2020-07-18 07:17:33,521 INFO L280 TraceCheckUtils]: 89: Hoare triple {4312#true} assume -2147483648 <= #t~ret51 && #t~ret51 <= 2147483647; {4312#true} is VALID [2020-07-18 07:17:33,521 INFO L280 TraceCheckUtils]: 90: Hoare triple {4312#true} ~module_get_succeeded~0 := #t~ret51; {4312#true} is VALID [2020-07-18 07:17:33,521 INFO L280 TraceCheckUtils]: 91: Hoare triple {4312#true} havoc #t~ret51; {4312#true} is VALID [2020-07-18 07:17:33,521 INFO L280 TraceCheckUtils]: 92: Hoare triple {4312#true} assume 1 == ~module_get_succeeded~0; {4312#true} is VALID [2020-07-18 07:17:33,522 INFO L280 TraceCheckUtils]: 93: Hoare triple {4312#true} ~ldv_module_refcounter~0 := 1 + ~ldv_module_refcounter~0; {4312#true} is VALID [2020-07-18 07:17:33,535 INFO L280 TraceCheckUtils]: 94: Hoare triple {4312#true} #res := 1; {4468#(<= 1 |ldv_try_module_get_#res|)} is VALID [2020-07-18 07:17:33,537 INFO L280 TraceCheckUtils]: 95: Hoare triple {4468#(<= 1 |ldv_try_module_get_#res|)} assume true; {4468#(<= 1 |ldv_try_module_get_#res|)} is VALID [2020-07-18 07:17:33,538 INFO L275 TraceCheckUtils]: 96: Hoare quadruple {4468#(<= 1 |ldv_try_module_get_#res|)} {4312#true} #459#return; {4460#(<= 1 |ldv_try_module_get_1_#t~ret52|)} is VALID [2020-07-18 07:17:33,539 INFO L280 TraceCheckUtils]: 97: Hoare triple {4460#(<= 1 |ldv_try_module_get_1_#t~ret52|)} assume -2147483648 <= #t~ret52 && #t~ret52 <= 2147483647; {4460#(<= 1 |ldv_try_module_get_1_#t~ret52|)} is VALID [2020-07-18 07:17:33,539 INFO L280 TraceCheckUtils]: 98: Hoare triple {4460#(<= 1 |ldv_try_module_get_1_#t~ret52|)} ~tmp~5 := #t~ret52; {4461#(<= 1 ldv_try_module_get_1_~tmp~5)} is VALID [2020-07-18 07:17:33,540 INFO L280 TraceCheckUtils]: 99: Hoare triple {4461#(<= 1 ldv_try_module_get_1_~tmp~5)} havoc #t~ret52; {4461#(<= 1 ldv_try_module_get_1_~tmp~5)} is VALID [2020-07-18 07:17:33,541 INFO L280 TraceCheckUtils]: 100: Hoare triple {4461#(<= 1 ldv_try_module_get_1_~tmp~5)} #res := ~tmp~5; {4462#(<= 1 |ldv_try_module_get_1_#res|)} is VALID [2020-07-18 07:17:33,541 INFO L280 TraceCheckUtils]: 101: Hoare triple {4462#(<= 1 |ldv_try_module_get_1_#res|)} assume true; {4462#(<= 1 |ldv_try_module_get_1_#res|)} is VALID [2020-07-18 07:17:33,542 INFO L275 TraceCheckUtils]: 102: Hoare quadruple {4462#(<= 1 |ldv_try_module_get_1_#res|)} {4312#true} #441#return; {4441#(<= 1 |pppox_create_#t~ret36|)} is VALID [2020-07-18 07:17:33,543 INFO L280 TraceCheckUtils]: 103: Hoare triple {4441#(<= 1 |pppox_create_#t~ret36|)} assume -2147483648 <= #t~ret36 && #t~ret36 <= 2147483647; {4441#(<= 1 |pppox_create_#t~ret36|)} is VALID [2020-07-18 07:17:33,544 INFO L280 TraceCheckUtils]: 104: Hoare triple {4441#(<= 1 |pppox_create_#t~ret36|)} ~tmp~2 := #t~ret36; {4442#(<= 1 pppox_create_~tmp~2)} is VALID [2020-07-18 07:17:33,544 INFO L280 TraceCheckUtils]: 105: Hoare triple {4442#(<= 1 pppox_create_~tmp~2)} havoc #t~mem34.base, #t~mem34.offset; {4442#(<= 1 pppox_create_~tmp~2)} is VALID [2020-07-18 07:17:33,545 INFO L280 TraceCheckUtils]: 106: Hoare triple {4442#(<= 1 pppox_create_~tmp~2)} havoc #t~ret36; {4442#(<= 1 pppox_create_~tmp~2)} is VALID [2020-07-18 07:17:33,545 INFO L280 TraceCheckUtils]: 107: Hoare triple {4442#(<= 1 pppox_create_~tmp~2)} havoc #t~mem35.base, #t~mem35.offset; {4442#(<= 1 pppox_create_~tmp~2)} is VALID [2020-07-18 07:17:33,546 INFO L280 TraceCheckUtils]: 108: Hoare triple {4442#(<= 1 pppox_create_~tmp~2)} assume 0 == ~tmp~2; {4313#false} is VALID [2020-07-18 07:17:33,546 INFO L280 TraceCheckUtils]: 109: Hoare triple {4313#false} #res := ~rc~1; {4313#false} is VALID [2020-07-18 07:17:33,546 INFO L280 TraceCheckUtils]: 110: Hoare triple {4313#false} assume true; {4313#false} is VALID [2020-07-18 07:17:33,546 INFO L275 TraceCheckUtils]: 111: Hoare quadruple {4313#false} {4312#true} #433#return; {4313#false} is VALID [2020-07-18 07:17:33,547 INFO L280 TraceCheckUtils]: 112: Hoare triple {4313#false} assume -2147483648 <= #t~ret49 && #t~ret49 <= 2147483647; {4313#false} is VALID [2020-07-18 07:17:33,547 INFO L280 TraceCheckUtils]: 113: Hoare triple {4313#false} havoc #t~ret49; {4313#false} is VALID [2020-07-18 07:17:33,547 INFO L280 TraceCheckUtils]: 114: Hoare triple {4313#false} assume -2147483648 <= #t~nondet50 && #t~nondet50 <= 2147483647; {4313#false} is VALID [2020-07-18 07:17:33,547 INFO L280 TraceCheckUtils]: 115: Hoare triple {4313#false} ~tmp___1~0 := #t~nondet50; {4313#false} is VALID [2020-07-18 07:17:33,547 INFO L280 TraceCheckUtils]: 116: Hoare triple {4313#false} havoc #t~nondet50; {4313#false} is VALID [2020-07-18 07:17:33,548 INFO L280 TraceCheckUtils]: 117: Hoare triple {4313#false} assume !(0 != ~tmp___1~0); {4313#false} is VALID [2020-07-18 07:17:33,548 INFO L263 TraceCheckUtils]: 118: Hoare triple {4313#false} call pppox_exit(); {4312#true} is VALID [2020-07-18 07:17:33,548 INFO L263 TraceCheckUtils]: 119: Hoare triple {4312#true} call sock_unregister(24); {4312#true} is VALID [2020-07-18 07:17:33,548 INFO L280 TraceCheckUtils]: 120: Hoare triple {4312#true} ~arg0 := #in~arg0; {4312#true} is VALID [2020-07-18 07:17:33,549 INFO L280 TraceCheckUtils]: 121: Hoare triple {4312#true} assume true; {4312#true} is VALID [2020-07-18 07:17:33,549 INFO L275 TraceCheckUtils]: 122: Hoare quadruple {4312#true} {4312#true} #449#return; {4312#true} is VALID [2020-07-18 07:17:33,549 INFO L280 TraceCheckUtils]: 123: Hoare triple {4312#true} assume true; {4312#true} is VALID [2020-07-18 07:17:33,549 INFO L275 TraceCheckUtils]: 124: Hoare quadruple {4312#true} {4313#false} #435#return; {4313#false} is VALID [2020-07-18 07:17:33,549 INFO L263 TraceCheckUtils]: 125: Hoare triple {4313#false} call ldv_check_final_state(); {4313#false} is VALID [2020-07-18 07:17:33,550 INFO L280 TraceCheckUtils]: 126: Hoare triple {4313#false} assume 1 != ~ldv_module_refcounter~0; {4313#false} is VALID [2020-07-18 07:17:33,550 INFO L263 TraceCheckUtils]: 127: Hoare triple {4313#false} call ldv_blast_assert(); {4313#false} is VALID [2020-07-18 07:17:33,550 INFO L280 TraceCheckUtils]: 128: Hoare triple {4313#false} assume !false; {4313#false} is VALID [2020-07-18 07:17:33,568 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 07:17:33,569 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [669103932] [2020-07-18 07:17:33,569 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 07:17:33,569 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-18 07:17:33,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633678446] [2020-07-18 07:17:33,572 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 129 [2020-07-18 07:17:33,573 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 07:17:33,574 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2020-07-18 07:17:33,695 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 129 edges. 129 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 07:17:33,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-18 07:17:33,695 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 07:17:33,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-18 07:17:33,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-07-18 07:17:33,696 INFO L87 Difference]: Start difference. First operand 244 states and 264 transitions. Second operand 10 states. [2020-07-18 07:17:37,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 07:17:37,879 INFO L93 Difference]: Finished difference Result 375 states and 407 transitions. [2020-07-18 07:17:37,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-18 07:17:37,879 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 129 [2020-07-18 07:17:37,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 07:17:37,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-18 07:17:37,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 326 transitions. [2020-07-18 07:17:37,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-18 07:17:37,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 326 transitions. [2020-07-18 07:17:37,897 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 326 transitions. [2020-07-18 07:17:38,335 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 326 edges. 326 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 07:17:38,342 INFO L225 Difference]: With dead ends: 375 [2020-07-18 07:17:38,342 INFO L226 Difference]: Without dead ends: 248 [2020-07-18 07:17:38,343 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2020-07-18 07:17:38,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-07-18 07:17:39,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 244. [2020-07-18 07:17:39,304 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 07:17:39,304 INFO L82 GeneralOperation]: Start isEquivalent. First operand 248 states. Second operand 244 states. [2020-07-18 07:17:39,304 INFO L74 IsIncluded]: Start isIncluded. First operand 248 states. Second operand 244 states. [2020-07-18 07:17:39,304 INFO L87 Difference]: Start difference. First operand 248 states. Second operand 244 states. [2020-07-18 07:17:39,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 07:17:39,315 INFO L93 Difference]: Finished difference Result 248 states and 267 transitions. [2020-07-18 07:17:39,315 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 267 transitions. [2020-07-18 07:17:39,316 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 07:17:39,317 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 07:17:39,317 INFO L74 IsIncluded]: Start isIncluded. First operand 244 states. Second operand 248 states. [2020-07-18 07:17:39,317 INFO L87 Difference]: Start difference. First operand 244 states. Second operand 248 states. [2020-07-18 07:17:39,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 07:17:39,327 INFO L93 Difference]: Finished difference Result 248 states and 267 transitions. [2020-07-18 07:17:39,327 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 267 transitions. [2020-07-18 07:17:39,328 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 07:17:39,328 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 07:17:39,329 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 07:17:39,329 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 07:17:39,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-07-18 07:17:39,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 263 transitions. [2020-07-18 07:17:39,338 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 263 transitions. Word has length 129 [2020-07-18 07:17:39,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 07:17:39,339 INFO L479 AbstractCegarLoop]: Abstraction has 244 states and 263 transitions. [2020-07-18 07:17:39,339 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-18 07:17:39,339 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 244 states and 263 transitions. [2020-07-18 07:17:39,802 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 263 edges. 263 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 07:17:39,802 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 263 transitions. [2020-07-18 07:17:39,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-07-18 07:17:39,804 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 07:17:39,804 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 07:17:39,805 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-18 07:17:39,805 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 07:17:39,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 07:17:39,805 INFO L82 PathProgramCache]: Analyzing trace with hash -268445373, now seen corresponding path program 1 times [2020-07-18 07:17:39,806 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 07:17:39,806 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1367946223] [2020-07-18 07:17:39,806 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 07:17:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 07:17:40,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 07:17:40,053 INFO L280 TraceCheckUtils]: 0: Hoare triple {6281#(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; {6214#true} is VALID [2020-07-18 07:17:40,054 INFO L280 TraceCheckUtils]: 1: Hoare triple {6214#true} #valid := #valid[0 := 0]; {6214#true} is VALID [2020-07-18 07:17:40,054 INFO L280 TraceCheckUtils]: 2: Hoare triple {6214#true} assume 0 < #StackHeapBarrier; {6214#true} is VALID [2020-07-18 07:17:40,055 INFO L280 TraceCheckUtils]: 3: Hoare triple {6214#true} SUMMARY for call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(15); srcloc: L4876 {6214#true} is VALID [2020-07-18 07:17:40,055 INFO L280 TraceCheckUtils]: 4: Hoare triple {6214#true} SUMMARY for call ~#pppox_protos~0.base, ~#pppox_protos~0.offset := #Ultimate.allocOnStack(32); srcloc: L4876-1 {6214#true} is VALID [2020-07-18 07:17:40,055 INFO L280 TraceCheckUtils]: 5: Hoare triple {6214#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, ~#pppox_protos~0.offset, 8); srcloc: L4728 {6214#true} is VALID [2020-07-18 07:17:40,056 INFO L280 TraceCheckUtils]: 6: Hoare triple {6214#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 8 + ~#pppox_protos~0.offset, 8); srcloc: L4728-1 {6214#true} is VALID [2020-07-18 07:17:40,056 INFO L280 TraceCheckUtils]: 7: Hoare triple {6214#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 16 + ~#pppox_protos~0.offset, 8); srcloc: L4728-2 {6214#true} is VALID [2020-07-18 07:17:40,056 INFO L280 TraceCheckUtils]: 8: Hoare triple {6214#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 24 + ~#pppox_protos~0.offset, 8); srcloc: L4728-3 {6214#true} is VALID [2020-07-18 07:17:40,056 INFO L280 TraceCheckUtils]: 9: Hoare triple {6214#true} SUMMARY for call ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset := #Ultimate.allocOnStack(20); srcloc: L4728-4 {6214#true} is VALID [2020-07-18 07:17:40,057 INFO L280 TraceCheckUtils]: 10: Hoare triple {6214#true} SUMMARY for call write~init~int(24, ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset, 4); srcloc: L4899 {6214#true} is VALID [2020-07-18 07:17:40,057 INFO L280 TraceCheckUtils]: 11: Hoare triple {6214#true} SUMMARY for call write~init~$Pointer$(#funAddr~pppox_create.base, #funAddr~pppox_create.offset, ~#pppox_proto_family~0.base, 4 + ~#pppox_proto_family~0.offset, 8); srcloc: L4899-1 {6214#true} is VALID [2020-07-18 07:17:40,057 INFO L280 TraceCheckUtils]: 12: Hoare triple {6214#true} SUMMARY for call write~init~$Pointer$(~#__this_module~0.base, ~#__this_module~0.offset, ~#pppox_proto_family~0.base, 12 + ~#pppox_proto_family~0.offset, 8); srcloc: L4899-2 {6214#true} is VALID [2020-07-18 07:17:40,057 INFO L280 TraceCheckUtils]: 13: Hoare triple {6214#true} ~LDV_IN_INTERRUPT~0 := 0; {6214#true} is VALID [2020-07-18 07:17:40,058 INFO L280 TraceCheckUtils]: 14: Hoare triple {6214#true} ~ldv_module_refcounter~0 := 1; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,059 INFO L280 TraceCheckUtils]: 15: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} assume true; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,060 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {6233#(= 1 ~ldv_module_refcounter~0)} {6214#true} #461#return; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 07:17:40,067 INFO L280 TraceCheckUtils]: 0: Hoare triple {6214#true} assume true; {6214#true} is VALID [2020-07-18 07:17:40,068 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {6214#true} {6233#(= 1 ~ldv_module_refcounter~0)} #429#return; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 07:17:40,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 07:17:40,084 INFO L280 TraceCheckUtils]: 0: Hoare triple {6214#true} ~arg0.base, ~arg0.offset := #in~arg0.base, #in~arg0.offset; {6214#true} is VALID [2020-07-18 07:17:40,084 INFO L280 TraceCheckUtils]: 1: Hoare triple {6214#true} assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647; {6214#true} is VALID [2020-07-18 07:17:40,085 INFO L280 TraceCheckUtils]: 2: Hoare triple {6214#true} #res := #t~nondet56; {6214#true} is VALID [2020-07-18 07:17:40,085 INFO L280 TraceCheckUtils]: 3: Hoare triple {6214#true} havoc #t~nondet56; {6214#true} is VALID [2020-07-18 07:17:40,085 INFO L280 TraceCheckUtils]: 4: Hoare triple {6214#true} assume true; {6214#true} is VALID [2020-07-18 07:17:40,085 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {6214#true} {6214#true} #455#return; {6214#true} is VALID [2020-07-18 07:17:40,086 INFO L280 TraceCheckUtils]: 0: Hoare triple {6214#true} havoc ~tmp~3; {6214#true} is VALID [2020-07-18 07:17:40,086 INFO L263 TraceCheckUtils]: 1: Hoare triple {6214#true} call #t~ret46 := sock_register(~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset); {6214#true} is VALID [2020-07-18 07:17:40,086 INFO L280 TraceCheckUtils]: 2: Hoare triple {6214#true} ~arg0.base, ~arg0.offset := #in~arg0.base, #in~arg0.offset; {6214#true} is VALID [2020-07-18 07:17:40,086 INFO L280 TraceCheckUtils]: 3: Hoare triple {6214#true} assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647; {6214#true} is VALID [2020-07-18 07:17:40,086 INFO L280 TraceCheckUtils]: 4: Hoare triple {6214#true} #res := #t~nondet56; {6214#true} is VALID [2020-07-18 07:17:40,086 INFO L280 TraceCheckUtils]: 5: Hoare triple {6214#true} havoc #t~nondet56; {6214#true} is VALID [2020-07-18 07:17:40,087 INFO L280 TraceCheckUtils]: 6: Hoare triple {6214#true} assume true; {6214#true} is VALID [2020-07-18 07:17:40,087 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {6214#true} {6214#true} #455#return; {6214#true} is VALID [2020-07-18 07:17:40,087 INFO L280 TraceCheckUtils]: 8: Hoare triple {6214#true} assume -2147483648 <= #t~ret46 && #t~ret46 <= 2147483647; {6214#true} is VALID [2020-07-18 07:17:40,087 INFO L280 TraceCheckUtils]: 9: Hoare triple {6214#true} ~tmp~3 := #t~ret46; {6214#true} is VALID [2020-07-18 07:17:40,087 INFO L280 TraceCheckUtils]: 10: Hoare triple {6214#true} havoc #t~ret46; {6214#true} is VALID [2020-07-18 07:17:40,088 INFO L280 TraceCheckUtils]: 11: Hoare triple {6214#true} #res := ~tmp~3; {6214#true} is VALID [2020-07-18 07:17:40,088 INFO L280 TraceCheckUtils]: 12: Hoare triple {6214#true} assume true; {6214#true} is VALID [2020-07-18 07:17:40,089 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {6214#true} {6233#(= 1 ~ldv_module_refcounter~0)} #431#return; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 07:17:40,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 07:17:40,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 07:17:40,182 INFO L280 TraceCheckUtils]: 0: Hoare triple {6214#true} assume -2147483648 <= #t~nondet54 && #t~nondet54 <= 2147483647; {6214#true} is VALID [2020-07-18 07:17:40,183 INFO L280 TraceCheckUtils]: 1: Hoare triple {6214#true} #res := #t~nondet54; {6214#true} is VALID [2020-07-18 07:17:40,183 INFO L280 TraceCheckUtils]: 2: Hoare triple {6214#true} havoc #t~nondet54; {6214#true} is VALID [2020-07-18 07:17:40,184 INFO L280 TraceCheckUtils]: 3: Hoare triple {6214#true} assume true; {6214#true} is VALID [2020-07-18 07:17:40,184 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {6214#true} {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} #439#return; {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-18 07:17:40,185 INFO L280 TraceCheckUtils]: 0: Hoare triple {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~module.base, ~module.offset := #in~module.base, #in~module.offset; {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-18 07:17:40,186 INFO L280 TraceCheckUtils]: 1: Hoare triple {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} havoc ~module_get_succeeded~0; {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-18 07:17:40,187 INFO L280 TraceCheckUtils]: 2: Hoare triple {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} assume 0 != (~module.base + ~module.offset) % 18446744073709551616; {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-18 07:17:40,187 INFO L263 TraceCheckUtils]: 3: Hoare triple {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} call #t~ret51 := ldv_undefined_int(); {6214#true} is VALID [2020-07-18 07:17:40,187 INFO L280 TraceCheckUtils]: 4: Hoare triple {6214#true} assume -2147483648 <= #t~nondet54 && #t~nondet54 <= 2147483647; {6214#true} is VALID [2020-07-18 07:17:40,188 INFO L280 TraceCheckUtils]: 5: Hoare triple {6214#true} #res := #t~nondet54; {6214#true} is VALID [2020-07-18 07:17:40,188 INFO L280 TraceCheckUtils]: 6: Hoare triple {6214#true} havoc #t~nondet54; {6214#true} is VALID [2020-07-18 07:17:40,188 INFO L280 TraceCheckUtils]: 7: Hoare triple {6214#true} assume true; {6214#true} is VALID [2020-07-18 07:17:40,189 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {6214#true} {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} #439#return; {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-18 07:17:40,190 INFO L280 TraceCheckUtils]: 9: Hoare triple {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} assume -2147483648 <= #t~ret51 && #t~ret51 <= 2147483647; {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-18 07:17:40,191 INFO L280 TraceCheckUtils]: 10: Hoare triple {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~module_get_succeeded~0 := #t~ret51; {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-18 07:17:40,191 INFO L280 TraceCheckUtils]: 11: Hoare triple {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} havoc #t~ret51; {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-18 07:17:40,192 INFO L280 TraceCheckUtils]: 12: Hoare triple {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} assume 1 == ~module_get_succeeded~0; {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-18 07:17:40,193 INFO L280 TraceCheckUtils]: 13: Hoare triple {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~ldv_module_refcounter~0 := 1 + ~ldv_module_refcounter~0; {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,194 INFO L280 TraceCheckUtils]: 14: Hoare triple {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} #res := 1; {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,195 INFO L280 TraceCheckUtils]: 15: Hoare triple {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} assume true; {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,196 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} #459#return; {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,198 INFO L280 TraceCheckUtils]: 0: Hoare triple {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~module.base, ~module.offset := #in~module.base, #in~module.offset; {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-18 07:17:40,199 INFO L280 TraceCheckUtils]: 1: Hoare triple {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} havoc ~tmp~5; {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-18 07:17:40,200 INFO L263 TraceCheckUtils]: 2: Hoare triple {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} call #t~ret52 := ldv_try_module_get(~module.base, ~module.offset); {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-18 07:17:40,231 INFO L280 TraceCheckUtils]: 3: Hoare triple {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~module.base, ~module.offset := #in~module.base, #in~module.offset; {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-18 07:17:40,232 INFO L280 TraceCheckUtils]: 4: Hoare triple {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} havoc ~module_get_succeeded~0; {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-18 07:17:40,233 INFO L280 TraceCheckUtils]: 5: Hoare triple {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} assume 0 != (~module.base + ~module.offset) % 18446744073709551616; {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-18 07:17:40,233 INFO L263 TraceCheckUtils]: 6: Hoare triple {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} call #t~ret51 := ldv_undefined_int(); {6214#true} is VALID [2020-07-18 07:17:40,233 INFO L280 TraceCheckUtils]: 7: Hoare triple {6214#true} assume -2147483648 <= #t~nondet54 && #t~nondet54 <= 2147483647; {6214#true} is VALID [2020-07-18 07:17:40,233 INFO L280 TraceCheckUtils]: 8: Hoare triple {6214#true} #res := #t~nondet54; {6214#true} is VALID [2020-07-18 07:17:40,234 INFO L280 TraceCheckUtils]: 9: Hoare triple {6214#true} havoc #t~nondet54; {6214#true} is VALID [2020-07-18 07:17:40,234 INFO L280 TraceCheckUtils]: 10: Hoare triple {6214#true} assume true; {6214#true} is VALID [2020-07-18 07:17:40,235 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {6214#true} {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} #439#return; {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-18 07:17:40,235 INFO L280 TraceCheckUtils]: 12: Hoare triple {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} assume -2147483648 <= #t~ret51 && #t~ret51 <= 2147483647; {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-18 07:17:40,236 INFO L280 TraceCheckUtils]: 13: Hoare triple {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~module_get_succeeded~0 := #t~ret51; {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-18 07:17:40,236 INFO L280 TraceCheckUtils]: 14: Hoare triple {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} havoc #t~ret51; {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-18 07:17:40,237 INFO L280 TraceCheckUtils]: 15: Hoare triple {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} assume 1 == ~module_get_succeeded~0; {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-18 07:17:40,238 INFO L280 TraceCheckUtils]: 16: Hoare triple {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~ldv_module_refcounter~0 := 1 + ~ldv_module_refcounter~0; {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,238 INFO L280 TraceCheckUtils]: 17: Hoare triple {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} #res := 1; {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,239 INFO L280 TraceCheckUtils]: 18: Hoare triple {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} assume true; {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,240 INFO L275 TraceCheckUtils]: 19: Hoare quadruple {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} #459#return; {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,241 INFO L280 TraceCheckUtils]: 20: Hoare triple {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} assume -2147483648 <= #t~ret52 && #t~ret52 <= 2147483647; {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,241 INFO L280 TraceCheckUtils]: 21: Hoare triple {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} ~tmp~5 := #t~ret52; {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,242 INFO L280 TraceCheckUtils]: 22: Hoare triple {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} havoc #t~ret52; {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,242 INFO L280 TraceCheckUtils]: 23: Hoare triple {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} #res := ~tmp~5; {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,243 INFO L280 TraceCheckUtils]: 24: Hoare triple {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} assume true; {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,244 INFO L275 TraceCheckUtils]: 25: Hoare quadruple {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} {6233#(= 1 ~ldv_module_refcounter~0)} #441#return; {6276#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 07:17:40,255 INFO L280 TraceCheckUtils]: 0: Hoare triple {6214#true} #~39.base, #~39.offset := #in~39.base, #in~39.offset; {6214#true} is VALID [2020-07-18 07:17:40,256 INFO L280 TraceCheckUtils]: 1: Hoare triple {6214#true} #~40.base, #~40.offset := #in~40.base, #in~40.offset; {6214#true} is VALID [2020-07-18 07:17:40,256 INFO L280 TraceCheckUtils]: 2: Hoare triple {6214#true} assume true; {6214#true} is VALID [2020-07-18 07:17:40,257 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {6214#true} {6276#(<= 2 ~ldv_module_refcounter~0)} #443#return; {6276#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,259 INFO L263 TraceCheckUtils]: 0: Hoare triple {6214#true} call ULTIMATE.init(); {6281#(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 [2020-07-18 07:17:40,259 INFO L280 TraceCheckUtils]: 1: Hoare triple {6281#(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; {6214#true} is VALID [2020-07-18 07:17:40,259 INFO L280 TraceCheckUtils]: 2: Hoare triple {6214#true} #valid := #valid[0 := 0]; {6214#true} is VALID [2020-07-18 07:17:40,260 INFO L280 TraceCheckUtils]: 3: Hoare triple {6214#true} assume 0 < #StackHeapBarrier; {6214#true} is VALID [2020-07-18 07:17:40,260 INFO L280 TraceCheckUtils]: 4: Hoare triple {6214#true} SUMMARY for call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(15); srcloc: L4876 {6214#true} is VALID [2020-07-18 07:17:40,260 INFO L280 TraceCheckUtils]: 5: Hoare triple {6214#true} SUMMARY for call ~#pppox_protos~0.base, ~#pppox_protos~0.offset := #Ultimate.allocOnStack(32); srcloc: L4876-1 {6214#true} is VALID [2020-07-18 07:17:40,260 INFO L280 TraceCheckUtils]: 6: Hoare triple {6214#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, ~#pppox_protos~0.offset, 8); srcloc: L4728 {6214#true} is VALID [2020-07-18 07:17:40,260 INFO L280 TraceCheckUtils]: 7: Hoare triple {6214#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 8 + ~#pppox_protos~0.offset, 8); srcloc: L4728-1 {6214#true} is VALID [2020-07-18 07:17:40,261 INFO L280 TraceCheckUtils]: 8: Hoare triple {6214#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 16 + ~#pppox_protos~0.offset, 8); srcloc: L4728-2 {6214#true} is VALID [2020-07-18 07:17:40,261 INFO L280 TraceCheckUtils]: 9: Hoare triple {6214#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 24 + ~#pppox_protos~0.offset, 8); srcloc: L4728-3 {6214#true} is VALID [2020-07-18 07:17:40,261 INFO L280 TraceCheckUtils]: 10: Hoare triple {6214#true} SUMMARY for call ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset := #Ultimate.allocOnStack(20); srcloc: L4728-4 {6214#true} is VALID [2020-07-18 07:17:40,261 INFO L280 TraceCheckUtils]: 11: Hoare triple {6214#true} SUMMARY for call write~init~int(24, ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset, 4); srcloc: L4899 {6214#true} is VALID [2020-07-18 07:17:40,261 INFO L280 TraceCheckUtils]: 12: Hoare triple {6214#true} SUMMARY for call write~init~$Pointer$(#funAddr~pppox_create.base, #funAddr~pppox_create.offset, ~#pppox_proto_family~0.base, 4 + ~#pppox_proto_family~0.offset, 8); srcloc: L4899-1 {6214#true} is VALID [2020-07-18 07:17:40,262 INFO L280 TraceCheckUtils]: 13: Hoare triple {6214#true} SUMMARY for call write~init~$Pointer$(~#__this_module~0.base, ~#__this_module~0.offset, ~#pppox_proto_family~0.base, 12 + ~#pppox_proto_family~0.offset, 8); srcloc: L4899-2 {6214#true} is VALID [2020-07-18 07:17:40,262 INFO L280 TraceCheckUtils]: 14: Hoare triple {6214#true} ~LDV_IN_INTERRUPT~0 := 0; {6214#true} is VALID [2020-07-18 07:17:40,280 INFO L280 TraceCheckUtils]: 15: Hoare triple {6214#true} ~ldv_module_refcounter~0 := 1; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,281 INFO L280 TraceCheckUtils]: 16: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} assume true; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,282 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {6233#(= 1 ~ldv_module_refcounter~0)} {6214#true} #461#return; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,283 INFO L263 TraceCheckUtils]: 18: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} call #t~ret58 := main(); {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,289 INFO L280 TraceCheckUtils]: 19: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} havoc ~var_group1~0.base, ~var_group1~0.offset; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,290 INFO L280 TraceCheckUtils]: 20: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} havoc ~var_group2~0.base, ~var_group2~0.offset; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,291 INFO L280 TraceCheckUtils]: 21: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} havoc ~var_pppox_create_4_p2~0; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,291 INFO L280 TraceCheckUtils]: 22: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} havoc ~var_pppox_create_4_p3~0; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,292 INFO L280 TraceCheckUtils]: 23: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} havoc ~tmp~4; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,292 INFO L280 TraceCheckUtils]: 24: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} havoc ~tmp___0~1; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,293 INFO L280 TraceCheckUtils]: 25: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} havoc ~tmp___1~0; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,293 INFO L280 TraceCheckUtils]: 26: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} ~LDV_IN_INTERRUPT~0 := 1; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,294 INFO L263 TraceCheckUtils]: 27: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} call ldv_initialize(); {6214#true} is VALID [2020-07-18 07:17:40,294 INFO L280 TraceCheckUtils]: 28: Hoare triple {6214#true} assume true; {6214#true} is VALID [2020-07-18 07:17:40,294 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {6214#true} {6233#(= 1 ~ldv_module_refcounter~0)} #429#return; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,295 INFO L263 TraceCheckUtils]: 30: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} call #t~ret47 := pppox_init(); {6214#true} is VALID [2020-07-18 07:17:40,295 INFO L280 TraceCheckUtils]: 31: Hoare triple {6214#true} havoc ~tmp~3; {6214#true} is VALID [2020-07-18 07:17:40,295 INFO L263 TraceCheckUtils]: 32: Hoare triple {6214#true} call #t~ret46 := sock_register(~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset); {6214#true} is VALID [2020-07-18 07:17:40,295 INFO L280 TraceCheckUtils]: 33: Hoare triple {6214#true} ~arg0.base, ~arg0.offset := #in~arg0.base, #in~arg0.offset; {6214#true} is VALID [2020-07-18 07:17:40,295 INFO L280 TraceCheckUtils]: 34: Hoare triple {6214#true} assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647; {6214#true} is VALID [2020-07-18 07:17:40,296 INFO L280 TraceCheckUtils]: 35: Hoare triple {6214#true} #res := #t~nondet56; {6214#true} is VALID [2020-07-18 07:17:40,296 INFO L280 TraceCheckUtils]: 36: Hoare triple {6214#true} havoc #t~nondet56; {6214#true} is VALID [2020-07-18 07:17:40,296 INFO L280 TraceCheckUtils]: 37: Hoare triple {6214#true} assume true; {6214#true} is VALID [2020-07-18 07:17:40,296 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {6214#true} {6214#true} #455#return; {6214#true} is VALID [2020-07-18 07:17:40,296 INFO L280 TraceCheckUtils]: 39: Hoare triple {6214#true} assume -2147483648 <= #t~ret46 && #t~ret46 <= 2147483647; {6214#true} is VALID [2020-07-18 07:17:40,296 INFO L280 TraceCheckUtils]: 40: Hoare triple {6214#true} ~tmp~3 := #t~ret46; {6214#true} is VALID [2020-07-18 07:17:40,297 INFO L280 TraceCheckUtils]: 41: Hoare triple {6214#true} havoc #t~ret46; {6214#true} is VALID [2020-07-18 07:17:40,297 INFO L280 TraceCheckUtils]: 42: Hoare triple {6214#true} #res := ~tmp~3; {6214#true} is VALID [2020-07-18 07:17:40,297 INFO L280 TraceCheckUtils]: 43: Hoare triple {6214#true} assume true; {6214#true} is VALID [2020-07-18 07:17:40,298 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {6214#true} {6233#(= 1 ~ldv_module_refcounter~0)} #431#return; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,299 INFO L280 TraceCheckUtils]: 45: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} assume -2147483648 <= #t~ret47 && #t~ret47 <= 2147483647; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,299 INFO L280 TraceCheckUtils]: 46: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} ~tmp~4 := #t~ret47; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,300 INFO L280 TraceCheckUtils]: 47: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} havoc #t~ret47; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,300 INFO L280 TraceCheckUtils]: 48: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} assume !(0 != ~tmp~4); {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,302 INFO L280 TraceCheckUtils]: 49: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} assume -2147483648 <= #t~nondet50 && #t~nondet50 <= 2147483647; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,303 INFO L280 TraceCheckUtils]: 50: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} ~tmp___1~0 := #t~nondet50; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,303 INFO L280 TraceCheckUtils]: 51: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} havoc #t~nondet50; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,304 INFO L280 TraceCheckUtils]: 52: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} assume 0 != ~tmp___1~0; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,304 INFO L280 TraceCheckUtils]: 53: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} assume -2147483648 <= #t~nondet48 && #t~nondet48 <= 2147483647; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,305 INFO L280 TraceCheckUtils]: 54: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} ~tmp___0~1 := #t~nondet48; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,305 INFO L280 TraceCheckUtils]: 55: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} havoc #t~nondet48; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,306 INFO L280 TraceCheckUtils]: 56: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} assume 0 == ~tmp___0~1; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,307 INFO L263 TraceCheckUtils]: 57: Hoare triple {6233#(= 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); {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,308 INFO L280 TraceCheckUtils]: 58: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} ~net.base, ~net.offset := #in~net.base, #in~net.offset; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,308 INFO L280 TraceCheckUtils]: 59: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} ~sock.base, ~sock.offset := #in~sock.base, #in~sock.offset; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,309 INFO L280 TraceCheckUtils]: 60: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} ~protocol := #in~protocol; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,309 INFO L280 TraceCheckUtils]: 61: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} ~kern := #in~kern; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,310 INFO L280 TraceCheckUtils]: 62: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} havoc ~rc~1; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,311 INFO L280 TraceCheckUtils]: 63: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} havoc ~tmp~2; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,311 INFO L280 TraceCheckUtils]: 64: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} ~rc~1 := -91; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,312 INFO L280 TraceCheckUtils]: 65: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} assume !(~protocol < 0); {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,312 INFO L280 TraceCheckUtils]: 66: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} assume !(~protocol > 3); {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,313 INFO L280 TraceCheckUtils]: 67: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} ~rc~1 := -93; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,313 INFO L280 TraceCheckUtils]: 68: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} SUMMARY for call #t~mem30.base, #t~mem30.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8); srcloc: L4874 {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,314 INFO L280 TraceCheckUtils]: 69: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} assume !(0 == (#t~mem30.base + #t~mem30.offset) % 18446744073709551616); {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,314 INFO L280 TraceCheckUtils]: 70: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} havoc #t~mem30.base, #t~mem30.offset; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,315 INFO L280 TraceCheckUtils]: 71: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} SUMMARY for call #t~mem33.base, #t~mem33.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8); srcloc: L4874-5 {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,315 INFO L280 TraceCheckUtils]: 72: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} assume !(0 == (#t~mem33.base + #t~mem33.offset) % 18446744073709551616); {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,316 INFO L280 TraceCheckUtils]: 73: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} havoc #t~mem33.base, #t~mem33.offset; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,316 INFO L280 TraceCheckUtils]: 74: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} SUMMARY for call #t~mem34.base, #t~mem34.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8); srcloc: L4884 {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,317 INFO L280 TraceCheckUtils]: 75: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} SUMMARY for call #t~mem35.base, #t~mem35.offset := read~$Pointer$(#t~mem34.base, 16 + #t~mem34.offset, 8); srcloc: L4884-1 {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,318 INFO L263 TraceCheckUtils]: 76: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} call #t~ret36 := ldv_try_module_get_1(#t~mem35.base, #t~mem35.offset); {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-18 07:17:40,319 INFO L280 TraceCheckUtils]: 77: Hoare triple {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~module.base, ~module.offset := #in~module.base, #in~module.offset; {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-18 07:17:40,319 INFO L280 TraceCheckUtils]: 78: Hoare triple {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} havoc ~tmp~5; {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-18 07:17:40,320 INFO L263 TraceCheckUtils]: 79: Hoare triple {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} call #t~ret52 := ldv_try_module_get(~module.base, ~module.offset); {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-18 07:17:40,321 INFO L280 TraceCheckUtils]: 80: Hoare triple {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~module.base, ~module.offset := #in~module.base, #in~module.offset; {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-18 07:17:40,321 INFO L280 TraceCheckUtils]: 81: Hoare triple {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} havoc ~module_get_succeeded~0; {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-18 07:17:40,322 INFO L280 TraceCheckUtils]: 82: Hoare triple {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} assume 0 != (~module.base + ~module.offset) % 18446744073709551616; {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-18 07:17:40,322 INFO L263 TraceCheckUtils]: 83: Hoare triple {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} call #t~ret51 := ldv_undefined_int(); {6214#true} is VALID [2020-07-18 07:17:40,322 INFO L280 TraceCheckUtils]: 84: Hoare triple {6214#true} assume -2147483648 <= #t~nondet54 && #t~nondet54 <= 2147483647; {6214#true} is VALID [2020-07-18 07:17:40,322 INFO L280 TraceCheckUtils]: 85: Hoare triple {6214#true} #res := #t~nondet54; {6214#true} is VALID [2020-07-18 07:17:40,323 INFO L280 TraceCheckUtils]: 86: Hoare triple {6214#true} havoc #t~nondet54; {6214#true} is VALID [2020-07-18 07:17:40,323 INFO L280 TraceCheckUtils]: 87: Hoare triple {6214#true} assume true; {6214#true} is VALID [2020-07-18 07:17:40,323 INFO L275 TraceCheckUtils]: 88: Hoare quadruple {6214#true} {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} #439#return; {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-18 07:17:40,324 INFO L280 TraceCheckUtils]: 89: Hoare triple {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} assume -2147483648 <= #t~ret51 && #t~ret51 <= 2147483647; {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-18 07:17:40,324 INFO L280 TraceCheckUtils]: 90: Hoare triple {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~module_get_succeeded~0 := #t~ret51; {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-18 07:17:40,325 INFO L280 TraceCheckUtils]: 91: Hoare triple {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} havoc #t~ret51; {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-18 07:17:40,325 INFO L280 TraceCheckUtils]: 92: Hoare triple {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} assume 1 == ~module_get_succeeded~0; {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} is VALID [2020-07-18 07:17:40,326 INFO L280 TraceCheckUtils]: 93: Hoare triple {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} ~ldv_module_refcounter~0 := 1 + ~ldv_module_refcounter~0; {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,327 INFO L280 TraceCheckUtils]: 94: Hoare triple {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} #res := 1; {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,327 INFO L280 TraceCheckUtils]: 95: Hoare triple {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} assume true; {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,329 INFO L275 TraceCheckUtils]: 96: Hoare quadruple {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} {6288#(= ~ldv_module_refcounter~0 |old(~ldv_module_refcounter~0)|)} #459#return; {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,329 INFO L280 TraceCheckUtils]: 97: Hoare triple {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} assume -2147483648 <= #t~ret52 && #t~ret52 <= 2147483647; {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,330 INFO L280 TraceCheckUtils]: 98: Hoare triple {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} ~tmp~5 := #t~ret52; {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,330 INFO L280 TraceCheckUtils]: 99: Hoare triple {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} havoc #t~ret52; {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,331 INFO L280 TraceCheckUtils]: 100: Hoare triple {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} #res := ~tmp~5; {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,331 INFO L280 TraceCheckUtils]: 101: Hoare triple {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} assume true; {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,332 INFO L275 TraceCheckUtils]: 102: Hoare quadruple {6306#(<= (+ |old(~ldv_module_refcounter~0)| 1) ~ldv_module_refcounter~0)} {6233#(= 1 ~ldv_module_refcounter~0)} #441#return; {6276#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,333 INFO L280 TraceCheckUtils]: 103: Hoare triple {6276#(<= 2 ~ldv_module_refcounter~0)} assume -2147483648 <= #t~ret36 && #t~ret36 <= 2147483647; {6276#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,333 INFO L280 TraceCheckUtils]: 104: Hoare triple {6276#(<= 2 ~ldv_module_refcounter~0)} ~tmp~2 := #t~ret36; {6276#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,334 INFO L280 TraceCheckUtils]: 105: Hoare triple {6276#(<= 2 ~ldv_module_refcounter~0)} havoc #t~mem34.base, #t~mem34.offset; {6276#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,335 INFO L280 TraceCheckUtils]: 106: Hoare triple {6276#(<= 2 ~ldv_module_refcounter~0)} havoc #t~ret36; {6276#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,335 INFO L280 TraceCheckUtils]: 107: Hoare triple {6276#(<= 2 ~ldv_module_refcounter~0)} havoc #t~mem35.base, #t~mem35.offset; {6276#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,336 INFO L280 TraceCheckUtils]: 108: Hoare triple {6276#(<= 2 ~ldv_module_refcounter~0)} assume !(0 == ~tmp~2); {6276#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,336 INFO L280 TraceCheckUtils]: 109: Hoare triple {6276#(<= 2 ~ldv_module_refcounter~0)} SUMMARY for call #t~mem41.base, #t~mem41.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8); srcloc: L4892 {6276#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,337 INFO L280 TraceCheckUtils]: 110: Hoare triple {6276#(<= 2 ~ldv_module_refcounter~0)} SUMMARY for call #t~mem42.base, #t~mem42.offset := read~$Pointer$(#t~mem41.base, #t~mem41.offset, 8); srcloc: L4892-1 {6276#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,337 INFO L263 TraceCheckUtils]: 111: Hoare triple {6276#(<= 2 ~ldv_module_refcounter~0)} call #t~ret43 := ##fun~$Pointer$~X~$Pointer$~TO~int(~net.base, ~net.offset, ~sock.base, ~sock.offset, #t~mem42.base, #t~mem42.offset); {6214#true} is VALID [2020-07-18 07:17:40,337 INFO L280 TraceCheckUtils]: 112: Hoare triple {6214#true} #~39.base, #~39.offset := #in~39.base, #in~39.offset; {6214#true} is VALID [2020-07-18 07:17:40,337 INFO L280 TraceCheckUtils]: 113: Hoare triple {6214#true} #~40.base, #~40.offset := #in~40.base, #in~40.offset; {6214#true} is VALID [2020-07-18 07:17:40,338 INFO L280 TraceCheckUtils]: 114: Hoare triple {6214#true} assume true; {6214#true} is VALID [2020-07-18 07:17:40,339 INFO L275 TraceCheckUtils]: 115: Hoare quadruple {6214#true} {6276#(<= 2 ~ldv_module_refcounter~0)} #443#return; {6276#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,340 INFO L280 TraceCheckUtils]: 116: Hoare triple {6276#(<= 2 ~ldv_module_refcounter~0)} assume -2147483648 <= #t~ret43 && #t~ret43 <= 2147483647; {6276#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,340 INFO L280 TraceCheckUtils]: 117: Hoare triple {6276#(<= 2 ~ldv_module_refcounter~0)} ~rc~1 := #t~ret43; {6276#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,341 INFO L280 TraceCheckUtils]: 118: Hoare triple {6276#(<= 2 ~ldv_module_refcounter~0)} havoc #t~mem41.base, #t~mem41.offset; {6276#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,341 INFO L280 TraceCheckUtils]: 119: Hoare triple {6276#(<= 2 ~ldv_module_refcounter~0)} havoc #t~mem42.base, #t~mem42.offset; {6276#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,341 INFO L280 TraceCheckUtils]: 120: Hoare triple {6276#(<= 2 ~ldv_module_refcounter~0)} havoc #t~ret43; {6276#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,342 INFO L280 TraceCheckUtils]: 121: Hoare triple {6276#(<= 2 ~ldv_module_refcounter~0)} SUMMARY for call #t~mem44.base, #t~mem44.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8); srcloc: L4893 {6276#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,342 INFO L280 TraceCheckUtils]: 122: Hoare triple {6276#(<= 2 ~ldv_module_refcounter~0)} SUMMARY for call #t~mem45.base, #t~mem45.offset := read~$Pointer$(#t~mem44.base, 16 + #t~mem44.offset, 8); srcloc: L4893-1 {6276#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,343 INFO L263 TraceCheckUtils]: 123: Hoare triple {6276#(<= 2 ~ldv_module_refcounter~0)} call ldv_module_put_2(#t~mem45.base, #t~mem45.offset); {6276#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,344 INFO L280 TraceCheckUtils]: 124: Hoare triple {6276#(<= 2 ~ldv_module_refcounter~0)} ~ldv_func_arg1.base, ~ldv_func_arg1.offset := #in~ldv_func_arg1.base, #in~ldv_func_arg1.offset; {6276#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,344 INFO L263 TraceCheckUtils]: 125: Hoare triple {6276#(<= 2 ~ldv_module_refcounter~0)} call ldv_module_put(~ldv_func_arg1.base, ~ldv_func_arg1.offset); {6276#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,345 INFO L280 TraceCheckUtils]: 126: Hoare triple {6276#(<= 2 ~ldv_module_refcounter~0)} ~module.base, ~module.offset := #in~module.base, #in~module.offset; {6276#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,346 INFO L280 TraceCheckUtils]: 127: Hoare triple {6276#(<= 2 ~ldv_module_refcounter~0)} assume 0 != (~module.base + ~module.offset) % 18446744073709551616; {6276#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-18 07:17:40,346 INFO L280 TraceCheckUtils]: 128: Hoare triple {6276#(<= 2 ~ldv_module_refcounter~0)} assume ~ldv_module_refcounter~0 <= 1; {6215#false} is VALID [2020-07-18 07:17:40,346 INFO L263 TraceCheckUtils]: 129: Hoare triple {6215#false} call ldv_blast_assert(); {6215#false} is VALID [2020-07-18 07:17:40,347 INFO L280 TraceCheckUtils]: 130: Hoare triple {6215#false} assume !false; {6215#false} is VALID [2020-07-18 07:17:40,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 07:17:40,371 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1367946223] [2020-07-18 07:17:40,371 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 07:17:40,371 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-18 07:17:40,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927398486] [2020-07-18 07:17:40,376 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 131 [2020-07-18 07:17:40,376 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 07:17:40,377 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-18 07:17:40,521 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 131 edges. 131 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 07:17:40,521 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-18 07:17:40,521 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 07:17:40,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-18 07:17:40,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-18 07:17:40,522 INFO L87 Difference]: Start difference. First operand 244 states and 263 transitions. Second operand 7 states. [2020-07-18 07:17:45,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 07:17:45,196 INFO L93 Difference]: Finished difference Result 382 states and 413 transitions. [2020-07-18 07:17:45,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-18 07:17:45,197 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 131 [2020-07-18 07:17:45,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 07:17:45,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 07:17:45,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 413 transitions. [2020-07-18 07:17:45,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 07:17:45,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 413 transitions. [2020-07-18 07:17:45,211 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 413 transitions. [2020-07-18 07:17:45,947 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 413 edges. 413 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 07:17:45,960 INFO L225 Difference]: With dead ends: 382 [2020-07-18 07:17:45,960 INFO L226 Difference]: Without dead ends: 379 [2020-07-18 07:17:45,961 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2020-07-18 07:17:45,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2020-07-18 07:17:47,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 363. [2020-07-18 07:17:47,502 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 07:17:47,502 INFO L82 GeneralOperation]: Start isEquivalent. First operand 379 states. Second operand 363 states. [2020-07-18 07:17:47,502 INFO L74 IsIncluded]: Start isIncluded. First operand 379 states. Second operand 363 states. [2020-07-18 07:17:47,503 INFO L87 Difference]: Start difference. First operand 379 states. Second operand 363 states. [2020-07-18 07:17:47,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 07:17:47,520 INFO L93 Difference]: Finished difference Result 379 states and 410 transitions. [2020-07-18 07:17:47,520 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 410 transitions. [2020-07-18 07:17:47,522 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 07:17:47,522 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 07:17:47,522 INFO L74 IsIncluded]: Start isIncluded. First operand 363 states. Second operand 379 states. [2020-07-18 07:17:47,522 INFO L87 Difference]: Start difference. First operand 363 states. Second operand 379 states. [2020-07-18 07:17:47,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 07:17:47,541 INFO L93 Difference]: Finished difference Result 379 states and 410 transitions. [2020-07-18 07:17:47,541 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 410 transitions. [2020-07-18 07:17:47,542 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 07:17:47,542 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 07:17:47,543 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 07:17:47,543 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 07:17:47,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2020-07-18 07:17:47,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 395 transitions. [2020-07-18 07:17:47,559 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 395 transitions. Word has length 131 [2020-07-18 07:17:47,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 07:17:47,560 INFO L479 AbstractCegarLoop]: Abstraction has 363 states and 395 transitions. [2020-07-18 07:17:47,560 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-18 07:17:47,560 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 363 states and 395 transitions. [2020-07-18 07:17:48,243 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 395 edges. 395 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 07:17:48,243 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 395 transitions. [2020-07-18 07:17:48,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-07-18 07:17:48,246 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 07:17:48,247 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 07:17:48,247 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-18 07:17:48,247 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 07:17:48,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 07:17:48,248 INFO L82 PathProgramCache]: Analyzing trace with hash 1178345674, now seen corresponding path program 1 times [2020-07-18 07:17:48,248 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 07:17:48,248 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1193102898] [2020-07-18 07:17:48,248 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 07:17:48,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 07:17:48,344 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-18 07:17:48,348 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:797) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:392) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:386) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) 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.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:106) 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) [2020-07-18 07:17:48,357 INFO L168 Benchmark]: Toolchain (without parser) took 33898.24 ms. Allocated memory was 134.2 MB in the beginning and 688.9 MB in the end (delta: 554.7 MB). Free memory was 93.3 MB in the beginning and 506.4 MB in the end (delta: -413.1 MB). Peak memory consumption was 141.6 MB. Max. memory is 7.1 GB. [2020-07-18 07:17:48,361 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 134.2 MB. Free memory was 117.6 MB in the beginning and 117.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-18 07:17:48,362 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1371.96 ms. Allocated memory was 134.2 MB in the beginning and 203.9 MB in the end (delta: 69.7 MB). Free memory was 92.9 MB in the beginning and 124.4 MB in the end (delta: -31.5 MB). Peak memory consumption was 43.9 MB. Max. memory is 7.1 GB. [2020-07-18 07:17:48,362 INFO L168 Benchmark]: Boogie Preprocessor took 125.70 ms. Allocated memory is still 203.9 MB. Free memory was 124.4 MB in the beginning and 120.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-18 07:17:48,363 INFO L168 Benchmark]: RCFGBuilder took 1384.17 ms. Allocated memory was 203.9 MB in the beginning and 229.1 MB in the end (delta: 25.2 MB). Free memory was 120.4 MB in the beginning and 114.6 MB in the end (delta: 5.8 MB). Peak memory consumption was 56.7 MB. Max. memory is 7.1 GB. [2020-07-18 07:17:48,366 INFO L168 Benchmark]: TraceAbstraction took 31008.77 ms. Allocated memory was 229.1 MB in the beginning and 688.9 MB in the end (delta: 459.8 MB). Free memory was 114.6 MB in the beginning and 506.4 MB in the end (delta: -391.8 MB). Peak memory consumption was 68.0 MB. Max. memory is 7.1 GB. [2020-07-18 07:17:48,371 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 0.28 ms. Allocated memory is still 134.2 MB. Free memory was 117.6 MB in the beginning and 117.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1371.96 ms. Allocated memory was 134.2 MB in the beginning and 203.9 MB in the end (delta: 69.7 MB). Free memory was 92.9 MB in the beginning and 124.4 MB in the end (delta: -31.5 MB). Peak memory consumption was 43.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.70 ms. Allocated memory is still 203.9 MB. Free memory was 124.4 MB in the beginning and 120.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1384.17 ms. Allocated memory was 203.9 MB in the beginning and 229.1 MB in the end (delta: 25.2 MB). Free memory was 120.4 MB in the beginning and 114.6 MB in the end (delta: 5.8 MB). Peak memory consumption was 56.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 31008.77 ms. Allocated memory was 229.1 MB in the beginning and 688.9 MB in the end (delta: 459.8 MB). Free memory was 114.6 MB in the beginning and 506.4 MB in the end (delta: -391.8 MB). Peak memory consumption was 68.0 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...