/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 0.1.25-46f3038-m [2020-07-09 00:19:58,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-09 00:19:58,862 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-09 00:19:58,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-09 00:19:58,882 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-09 00:19:58,884 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-09 00:19:58,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-09 00:19:58,900 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-09 00:19:58,902 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-09 00:19:58,904 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-09 00:19:58,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-09 00:19:58,906 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-09 00:19:58,906 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-09 00:19:58,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-09 00:19:58,908 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-09 00:19:58,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-09 00:19:58,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-09 00:19:58,915 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-09 00:19:58,917 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-09 00:19:58,920 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-09 00:19:58,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-09 00:19:58,925 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-09 00:19:58,927 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-09 00:19:58,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-09 00:19:58,932 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-09 00:19:58,932 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-09 00:19:58,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-09 00:19:58,937 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-09 00:19:58,937 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-09 00:19:58,940 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-09 00:19:58,940 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-09 00:19:58,941 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-09 00:19:58,942 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-09 00:19:58,943 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-09 00:19:58,946 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-09 00:19:58,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-09 00:19:58,947 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-09 00:19:58,948 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-09 00:19:58,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-09 00:19:58,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-09 00:19:58,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-09 00:19:58,951 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_64.epf [2020-07-09 00:19:58,968 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-09 00:19:58,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-09 00:19:58,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-09 00:19:58,971 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-09 00:19:58,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-09 00:19:58,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-09 00:19:58,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-09 00:19:58,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-09 00:19:58,972 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-09 00:19:58,973 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-09 00:19:58,974 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-09 00:19:58,974 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-09 00:19:58,974 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-09 00:19:58,974 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-09 00:19:58,975 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-09 00:19:58,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-09 00:19:58,975 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-09 00:19:58,976 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-09 00:19:58,976 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-09 00:19:58,976 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 [2020-07-09 00:19:59,265 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-09 00:19:59,277 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-09 00:19:59,281 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-09 00:19:59,283 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-09 00:19:59,283 INFO L275 PluginConnector]: CDTParser initialized [2020-07-09 00:19:59,284 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2020-07-09 00:19:59,366 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5db7fc7b/f45ea7d1899a4b7da4bae0f1c8a787d0/FLAG38c816e09 [2020-07-09 00:20:00,108 INFO L306 CDTParser]: Found 1 translation units. [2020-07-09 00:20:00,109 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2020-07-09 00:20:00,141 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5db7fc7b/f45ea7d1899a4b7da4bae0f1c8a787d0/FLAG38c816e09 [2020-07-09 00:20:00,360 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5db7fc7b/f45ea7d1899a4b7da4bae0f1c8a787d0 [2020-07-09 00:20:00,372 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-09 00:20:00,373 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-09 00:20:00,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-09 00:20:00,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-09 00:20:00,378 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-09 00:20:00,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.07 12:20:00" (1/1) ... [2020-07-09 00:20:00,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f210f2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 12:20:00, skipping insertion in model container [2020-07-09 00:20:00,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.07 12:20:00" (1/1) ... [2020-07-09 00:20:00,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-09 00:20:00,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-09 00:20:01,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-09 00:20:01,508 INFO L203 MainTranslator]: Completed pre-run [2020-07-09 00:20:01,728 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-09 00:20:01,762 INFO L208 MainTranslator]: Completed translation [2020-07-09 00:20:01,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 12:20:01 WrapperNode [2020-07-09 00:20:01,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-09 00:20:01,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-09 00:20:01,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-09 00:20:01,764 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-09 00:20:01,782 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 12:20:01" (1/1) ... [2020-07-09 00:20:01,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 12:20:01" (1/1) ... [2020-07-09 00:20:01,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 12:20:01" (1/1) ... [2020-07-09 00:20:01,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 12:20:01" (1/1) ... [2020-07-09 00:20:01,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 12:20:01" (1/1) ... [2020-07-09 00:20:01,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 12:20:01" (1/1) ... [2020-07-09 00:20:01,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 12:20:01" (1/1) ... [2020-07-09 00:20:01,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-09 00:20:01,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-09 00:20:01,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-09 00:20:01,865 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-09 00:20:01,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 12:20:01" (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 [2020-07-09 00:20:01,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-09 00:20:01,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-09 00:20:01,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-07-09 00:20:01,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-07-09 00:20:01,947 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock [2020-07-09 00:20:01,947 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_sk [2020-07-09 00:20:01,947 INFO L138 BoogieDeclarations]: Found implementation of procedure register_pppox_proto [2020-07-09 00:20:01,948 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pppox_proto [2020-07-09 00:20:01,948 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_unbind_sock [2020-07-09 00:20:01,948 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_ioctl [2020-07-09 00:20:01,948 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_create [2020-07-09 00:20:01,948 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_init [2020-07-09 00:20:01,949 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_exit [2020-07-09 00:20:01,949 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-09 00:20:01,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2020-07-09 00:20:01,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2020-07-09 00:20:01,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2020-07-09 00:20:01,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2020-07-09 00:20:01,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2020-07-09 00:20:01,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2020-07-09 00:20:01,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-07-09 00:20:01,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_1 [2020-07-09 00:20:01,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_2 [2020-07-09 00:20:01,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2020-07-09 00:20:01,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-07-09 00:20:01,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_int [2020-07-09 00:20:01,952 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock_nested [2020-07-09 00:20:01,952 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-07-09 00:20:01,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2020-07-09 00:20:01,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2020-07-09 00:20:01,952 INFO L138 BoogieDeclarations]: Found implementation of procedure release_sock [2020-07-09 00:20:01,952 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_register [2020-07-09 00:20:01,953 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_unregister [2020-07-09 00:20:01,953 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-07-09 00:20:01,953 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-09 00:20:01,953 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-07-09 00:20:01,953 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2020-07-09 00:20:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_1 [2020-07-09 00:20:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_2 [2020-07-09 00:20:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2020-07-09 00:20:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2020-07-09 00:20:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2020-07-09 00:20:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2020-07-09 00:20:01,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2020-07-09 00:20:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure sock_register [2020-07-09 00:20:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure sock_unregister [2020-07-09 00:20:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2020-07-09 00:20:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2020-07-09 00:20:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock_nested [2020-07-09 00:20:01,955 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock [2020-07-09 00:20:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure release_sock [2020-07-09 00:20:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_sk [2020-07-09 00:20:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure register_pppox_proto [2020-07-09 00:20:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pppox_proto [2020-07-09 00:20:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_unbind_sock [2020-07-09 00:20:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_ioctl [2020-07-09 00:20:01,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-09 00:20:01,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-09 00:20:01,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-09 00:20:01,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-09 00:20:01,957 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-07-09 00:20:01,957 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_create [2020-07-09 00:20:01,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-09 00:20:01,958 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-07-09 00:20:01,958 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_init [2020-07-09 00:20:01,958 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_exit [2020-07-09 00:20:01,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-07-09 00:20:01,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-07-09 00:20:01,958 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-09 00:20:01,958 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-09 00:20:01,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2020-07-09 00:20:01,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_int [2020-07-09 00:20:01,959 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-09 00:20:01,959 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-07-09 00:20:01,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-09 00:20:01,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-09 00:20:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-07-09 00:20:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-09 00:20:01,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-09 00:20:02,369 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-09 00:20:02,737 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2020-07-09 00:20:02,737 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2020-07-09 00:20:02,737 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-07-09 00:20:02,738 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-07-09 00:20:02,739 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-09 00:20:02,802 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2020-07-09 00:20:02,803 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2020-07-09 00:20:02,998 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2020-07-09 00:20:03,275 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-09 00:20:03,275 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-09 00:20:03,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 12:20:03 BoogieIcfgContainer [2020-07-09 00:20:03,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-09 00:20:03,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-09 00:20:03,282 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-09 00:20:03,285 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-09 00:20:03,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.07 12:20:00" (1/3) ... [2020-07-09 00:20:03,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30158017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.07 12:20:03, skipping insertion in model container [2020-07-09 00:20:03,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 12:20:01" (2/3) ... [2020-07-09 00:20:03,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30158017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.07 12:20:03, skipping insertion in model container [2020-07-09 00:20:03,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 12:20:03" (3/3) ... [2020-07-09 00:20:03,289 INFO L109 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-pppox.ko.cil.out.i [2020-07-09 00:20:03,299 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-09 00:20:03,308 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-09 00:20:03,323 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-09 00:20:03,346 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-09 00:20:03,347 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-09 00:20:03,347 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-09 00:20:03,347 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-09 00:20:03,347 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-09 00:20:03,347 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-09 00:20:03,347 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-09 00:20:03,348 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-09 00:20:03,368 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-07-09 00:20:03,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-09 00:20:03,381 INFO L414 BasicCegarLoop]: Found error trace [2020-07-09 00:20:03,382 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] [2020-07-09 00:20:03,383 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-09 00:20:03,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-09 00:20:03,390 INFO L82 PathProgramCache]: Analyzing trace with hash -1095303050, now seen corresponding path program 1 times [2020-07-09 00:20:03,399 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-09 00:20:03,400 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1422073821] [2020-07-09 00:20:03,400 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-09 00:20:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-09 00:20:03,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-09 00:20:03,922 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 [2020-07-09 00:20:03,923 INFO L280 TraceCheckUtils]: 1: Hoare triple {172#true} #valid := #valid[0 := 0]; {172#true} is VALID [2020-07-09 00:20:03,923 INFO L280 TraceCheckUtils]: 2: Hoare triple {172#true} assume 0 < #StackHeapBarrier; {172#true} is VALID [2020-07-09 00:20:03,925 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 [2020-07-09 00:20:03,925 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 [2020-07-09 00:20:03,926 INFO L280 TraceCheckUtils]: 5: Hoare triple {172#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, ~#pppox_protos~0.offset, 8); srcloc: L4728 {172#true} is VALID [2020-07-09 00:20:03,927 INFO L280 TraceCheckUtils]: 6: Hoare triple {172#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 8 + ~#pppox_protos~0.offset, 8); srcloc: L4728-1 {172#true} is VALID [2020-07-09 00:20:03,927 INFO L280 TraceCheckUtils]: 7: Hoare triple {172#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 16 + ~#pppox_protos~0.offset, 8); srcloc: L4728-2 {172#true} is VALID [2020-07-09 00:20:03,928 INFO L280 TraceCheckUtils]: 8: Hoare triple {172#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 24 + ~#pppox_protos~0.offset, 8); srcloc: L4728-3 {172#true} is VALID [2020-07-09 00:20:03,930 INFO L280 TraceCheckUtils]: 9: Hoare triple {172#true} SUMMARY for call ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset := #Ultimate.allocOnStack(20); srcloc: L4728-4 {172#true} is VALID [2020-07-09 00:20:03,930 INFO L280 TraceCheckUtils]: 10: Hoare triple {172#true} SUMMARY for call write~init~int(24, ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset, 4); srcloc: L4899 {172#true} is VALID [2020-07-09 00:20:03,930 INFO L280 TraceCheckUtils]: 11: Hoare triple {172#true} SUMMARY for call write~init~$Pointer$(#funAddr~pppox_create.base, #funAddr~pppox_create.offset, ~#pppox_proto_family~0.base, 4 + ~#pppox_proto_family~0.offset, 8); srcloc: L4899-1 {172#true} is VALID [2020-07-09 00:20:03,931 INFO L280 TraceCheckUtils]: 12: Hoare triple {172#true} SUMMARY for call write~init~$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 [2020-07-09 00:20:03,931 INFO L280 TraceCheckUtils]: 13: Hoare triple {172#true} ~LDV_IN_INTERRUPT~0 := 0; {172#true} is VALID [2020-07-09 00:20:03,936 INFO L280 TraceCheckUtils]: 14: Hoare triple {172#true} ~ldv_module_refcounter~0 := 1; {191#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:03,937 INFO L280 TraceCheckUtils]: 15: Hoare triple {191#(= 1 ~ldv_module_refcounter~0)} assume true; {191#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:03,938 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {191#(= 1 ~ldv_module_refcounter~0)} {172#true} #461#return; {191#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-09 00:20:03,974 INFO L280 TraceCheckUtils]: 0: Hoare triple {172#true} assume true; {172#true} is VALID [2020-07-09 00:20:03,976 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {172#true} {191#(= 1 ~ldv_module_refcounter~0)} #429#return; {191#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-09 00:20:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-09 00:20:04,068 INFO L280 TraceCheckUtils]: 0: Hoare triple {172#true} ~arg0.base, ~arg0.offset := #in~arg0.base, #in~arg0.offset; {172#true} is VALID [2020-07-09 00:20:04,069 INFO L280 TraceCheckUtils]: 1: Hoare triple {172#true} assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647; {172#true} is VALID [2020-07-09 00:20:04,069 INFO L280 TraceCheckUtils]: 2: Hoare triple {172#true} #res := #t~nondet56; {172#true} is VALID [2020-07-09 00:20:04,070 INFO L280 TraceCheckUtils]: 3: Hoare triple {172#true} havoc #t~nondet56; {172#true} is VALID [2020-07-09 00:20:04,070 INFO L280 TraceCheckUtils]: 4: Hoare triple {172#true} assume true; {172#true} is VALID [2020-07-09 00:20:04,070 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {172#true} {172#true} #455#return; {172#true} is VALID [2020-07-09 00:20:04,071 INFO L280 TraceCheckUtils]: 0: Hoare triple {172#true} havoc ~tmp~3; {172#true} is VALID [2020-07-09 00:20:04,071 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 [2020-07-09 00:20:04,071 INFO L280 TraceCheckUtils]: 2: Hoare triple {172#true} ~arg0.base, ~arg0.offset := #in~arg0.base, #in~arg0.offset; {172#true} is VALID [2020-07-09 00:20:04,072 INFO L280 TraceCheckUtils]: 3: Hoare triple {172#true} assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647; {172#true} is VALID [2020-07-09 00:20:04,072 INFO L280 TraceCheckUtils]: 4: Hoare triple {172#true} #res := #t~nondet56; {172#true} is VALID [2020-07-09 00:20:04,072 INFO L280 TraceCheckUtils]: 5: Hoare triple {172#true} havoc #t~nondet56; {172#true} is VALID [2020-07-09 00:20:04,073 INFO L280 TraceCheckUtils]: 6: Hoare triple {172#true} assume true; {172#true} is VALID [2020-07-09 00:20:04,073 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {172#true} {172#true} #455#return; {172#true} is VALID [2020-07-09 00:20:04,073 INFO L280 TraceCheckUtils]: 8: Hoare triple {172#true} assume -2147483648 <= #t~ret46 && #t~ret46 <= 2147483647; {172#true} is VALID [2020-07-09 00:20:04,074 INFO L280 TraceCheckUtils]: 9: Hoare triple {172#true} ~tmp~3 := #t~ret46; {172#true} is VALID [2020-07-09 00:20:04,074 INFO L280 TraceCheckUtils]: 10: Hoare triple {172#true} havoc #t~ret46; {172#true} is VALID [2020-07-09 00:20:04,074 INFO L280 TraceCheckUtils]: 11: Hoare triple {172#true} #res := ~tmp~3; {172#true} is VALID [2020-07-09 00:20:04,075 INFO L280 TraceCheckUtils]: 12: Hoare triple {172#true} assume true; {172#true} is VALID [2020-07-09 00:20:04,076 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {172#true} {191#(= 1 ~ldv_module_refcounter~0)} #431#return; {191#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:04,079 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 [2020-07-09 00:20:04,080 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 [2020-07-09 00:20:04,080 INFO L280 TraceCheckUtils]: 2: Hoare triple {172#true} #valid := #valid[0 := 0]; {172#true} is VALID [2020-07-09 00:20:04,080 INFO L280 TraceCheckUtils]: 3: Hoare triple {172#true} assume 0 < #StackHeapBarrier; {172#true} is VALID [2020-07-09 00:20:04,081 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 [2020-07-09 00:20:04,081 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 [2020-07-09 00:20:04,081 INFO L280 TraceCheckUtils]: 6: Hoare triple {172#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, ~#pppox_protos~0.offset, 8); srcloc: L4728 {172#true} is VALID [2020-07-09 00:20:04,081 INFO L280 TraceCheckUtils]: 7: Hoare triple {172#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 8 + ~#pppox_protos~0.offset, 8); srcloc: L4728-1 {172#true} is VALID [2020-07-09 00:20:04,082 INFO L280 TraceCheckUtils]: 8: Hoare triple {172#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 16 + ~#pppox_protos~0.offset, 8); srcloc: L4728-2 {172#true} is VALID [2020-07-09 00:20:04,082 INFO L280 TraceCheckUtils]: 9: Hoare triple {172#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 24 + ~#pppox_protos~0.offset, 8); srcloc: L4728-3 {172#true} is VALID [2020-07-09 00:20:04,082 INFO L280 TraceCheckUtils]: 10: Hoare triple {172#true} SUMMARY for call ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset := #Ultimate.allocOnStack(20); srcloc: L4728-4 {172#true} is VALID [2020-07-09 00:20:04,083 INFO L280 TraceCheckUtils]: 11: Hoare triple {172#true} SUMMARY for call write~init~int(24, ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset, 4); srcloc: L4899 {172#true} is VALID [2020-07-09 00:20:04,083 INFO L280 TraceCheckUtils]: 12: Hoare triple {172#true} SUMMARY for call write~init~$Pointer$(#funAddr~pppox_create.base, #funAddr~pppox_create.offset, ~#pppox_proto_family~0.base, 4 + ~#pppox_proto_family~0.offset, 8); srcloc: L4899-1 {172#true} is VALID [2020-07-09 00:20:04,083 INFO L280 TraceCheckUtils]: 13: Hoare triple {172#true} SUMMARY for call write~init~$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 [2020-07-09 00:20:04,084 INFO L280 TraceCheckUtils]: 14: Hoare triple {172#true} ~LDV_IN_INTERRUPT~0 := 0; {172#true} is VALID [2020-07-09 00:20:04,085 INFO L280 TraceCheckUtils]: 15: Hoare triple {172#true} ~ldv_module_refcounter~0 := 1; {191#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:04,086 INFO L280 TraceCheckUtils]: 16: Hoare triple {191#(= 1 ~ldv_module_refcounter~0)} assume true; {191#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:04,087 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {191#(= 1 ~ldv_module_refcounter~0)} {172#true} #461#return; {191#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:04,087 INFO L263 TraceCheckUtils]: 18: Hoare triple {191#(= 1 ~ldv_module_refcounter~0)} call #t~ret58 := main(); {191#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:04,088 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 [2020-07-09 00:20:04,089 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 [2020-07-09 00:20:04,090 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 [2020-07-09 00:20:04,090 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 [2020-07-09 00:20:04,091 INFO L280 TraceCheckUtils]: 23: Hoare triple {191#(= 1 ~ldv_module_refcounter~0)} havoc ~tmp~4; {191#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:04,092 INFO L280 TraceCheckUtils]: 24: Hoare triple {191#(= 1 ~ldv_module_refcounter~0)} havoc ~tmp___0~1; {191#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:04,093 INFO L280 TraceCheckUtils]: 25: Hoare triple {191#(= 1 ~ldv_module_refcounter~0)} havoc ~tmp___1~0; {191#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:04,094 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 [2020-07-09 00:20:04,095 INFO L263 TraceCheckUtils]: 27: Hoare triple {191#(= 1 ~ldv_module_refcounter~0)} call ldv_initialize(); {172#true} is VALID [2020-07-09 00:20:04,095 INFO L280 TraceCheckUtils]: 28: Hoare triple {172#true} assume true; {172#true} is VALID [2020-07-09 00:20:04,096 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {172#true} {191#(= 1 ~ldv_module_refcounter~0)} #429#return; {191#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:04,096 INFO L263 TraceCheckUtils]: 30: Hoare triple {191#(= 1 ~ldv_module_refcounter~0)} call #t~ret47 := pppox_init(); {172#true} is VALID [2020-07-09 00:20:04,097 INFO L280 TraceCheckUtils]: 31: Hoare triple {172#true} havoc ~tmp~3; {172#true} is VALID [2020-07-09 00:20:04,097 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 [2020-07-09 00:20:04,097 INFO L280 TraceCheckUtils]: 33: Hoare triple {172#true} ~arg0.base, ~arg0.offset := #in~arg0.base, #in~arg0.offset; {172#true} is VALID [2020-07-09 00:20:04,097 INFO L280 TraceCheckUtils]: 34: Hoare triple {172#true} assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647; {172#true} is VALID [2020-07-09 00:20:04,098 INFO L280 TraceCheckUtils]: 35: Hoare triple {172#true} #res := #t~nondet56; {172#true} is VALID [2020-07-09 00:20:04,098 INFO L280 TraceCheckUtils]: 36: Hoare triple {172#true} havoc #t~nondet56; {172#true} is VALID [2020-07-09 00:20:04,098 INFO L280 TraceCheckUtils]: 37: Hoare triple {172#true} assume true; {172#true} is VALID [2020-07-09 00:20:04,099 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {172#true} {172#true} #455#return; {172#true} is VALID [2020-07-09 00:20:04,099 INFO L280 TraceCheckUtils]: 39: Hoare triple {172#true} assume -2147483648 <= #t~ret46 && #t~ret46 <= 2147483647; {172#true} is VALID [2020-07-09 00:20:04,099 INFO L280 TraceCheckUtils]: 40: Hoare triple {172#true} ~tmp~3 := #t~ret46; {172#true} is VALID [2020-07-09 00:20:04,099 INFO L280 TraceCheckUtils]: 41: Hoare triple {172#true} havoc #t~ret46; {172#true} is VALID [2020-07-09 00:20:04,100 INFO L280 TraceCheckUtils]: 42: Hoare triple {172#true} #res := ~tmp~3; {172#true} is VALID [2020-07-09 00:20:04,100 INFO L280 TraceCheckUtils]: 43: Hoare triple {172#true} assume true; {172#true} is VALID [2020-07-09 00:20:04,101 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {172#true} {191#(= 1 ~ldv_module_refcounter~0)} #431#return; {191#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:04,103 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 [2020-07-09 00:20:04,106 INFO L280 TraceCheckUtils]: 46: Hoare triple {191#(= 1 ~ldv_module_refcounter~0)} ~tmp~4 := #t~ret47; {191#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:04,106 INFO L280 TraceCheckUtils]: 47: Hoare triple {191#(= 1 ~ldv_module_refcounter~0)} havoc #t~ret47; {191#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:04,107 INFO L280 TraceCheckUtils]: 48: Hoare triple {191#(= 1 ~ldv_module_refcounter~0)} assume 0 != ~tmp~4; {191#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:04,108 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 [2020-07-09 00:20:04,109 INFO L280 TraceCheckUtils]: 50: Hoare triple {191#(= 1 ~ldv_module_refcounter~0)} assume 1 != ~ldv_module_refcounter~0; {173#false} is VALID [2020-07-09 00:20:04,110 INFO L263 TraceCheckUtils]: 51: Hoare triple {173#false} call ldv_blast_assert(); {173#false} is VALID [2020-07-09 00:20:04,110 INFO L280 TraceCheckUtils]: 52: Hoare triple {173#false} assume !false; {173#false} is VALID [2020-07-09 00:20:04,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-09 00:20:04,118 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1422073821] [2020-07-09 00:20:04,120 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-09 00:20:04,120 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-09 00:20:04,121 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582563420] [2020-07-09 00:20:04,128 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-09 00:20:04,131 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-09 00:20:04,136 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-09 00:20:04,222 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-09 00:20:04,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-09 00:20:04,223 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-09 00:20:04,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-09 00:20:04,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-09 00:20:04,239 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 4 states. [2020-07-09 00:20:07,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-09 00:20:07,794 INFO L93 Difference]: Finished difference Result 426 states and 482 transitions. [2020-07-09 00:20:07,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-09 00:20:07,794 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-09 00:20:07,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-09 00:20:07,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-09 00:20:07,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 482 transitions. [2020-07-09 00:20:07,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-09 00:20:07,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 482 transitions. [2020-07-09 00:20:07,845 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 482 transitions. [2020-07-09 00:20:08,658 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 482 edges. 482 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-09 00:20:08,721 INFO L225 Difference]: With dead ends: 426 [2020-07-09 00:20:08,721 INFO L226 Difference]: Without dead ends: 291 [2020-07-09 00:20:08,729 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 [2020-07-09 00:20:08,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2020-07-09 00:20:10,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 287. [2020-07-09 00:20:10,186 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-09 00:20:10,187 INFO L82 GeneralOperation]: Start isEquivalent. First operand 291 states. Second operand 287 states. [2020-07-09 00:20:10,188 INFO L74 IsIncluded]: Start isIncluded. First operand 291 states. Second operand 287 states. [2020-07-09 00:20:10,188 INFO L87 Difference]: Start difference. First operand 291 states. Second operand 287 states. [2020-07-09 00:20:10,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-09 00:20:10,258 INFO L93 Difference]: Finished difference Result 291 states and 316 transitions. [2020-07-09 00:20:10,258 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 316 transitions. [2020-07-09 00:20:10,274 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-09 00:20:10,275 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-09 00:20:10,275 INFO L74 IsIncluded]: Start isIncluded. First operand 287 states. Second operand 291 states. [2020-07-09 00:20:10,280 INFO L87 Difference]: Start difference. First operand 287 states. Second operand 291 states. [2020-07-09 00:20:10,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-09 00:20:10,331 INFO L93 Difference]: Finished difference Result 291 states and 316 transitions. [2020-07-09 00:20:10,332 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 316 transitions. [2020-07-09 00:20:10,335 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-09 00:20:10,336 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-09 00:20:10,336 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-09 00:20:10,336 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-09 00:20:10,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2020-07-09 00:20:10,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 313 transitions. [2020-07-09 00:20:10,392 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 313 transitions. Word has length 53 [2020-07-09 00:20:10,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-09 00:20:10,394 INFO L479 AbstractCegarLoop]: Abstraction has 287 states and 313 transitions. [2020-07-09 00:20:10,394 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-09 00:20:10,394 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 287 states and 313 transitions. [2020-07-09 00:20:10,989 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 313 edges. 313 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-09 00:20:10,990 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 313 transitions. [2020-07-09 00:20:10,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-07-09 00:20:10,995 INFO L414 BasicCegarLoop]: Found error trace [2020-07-09 00:20:10,995 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] [2020-07-09 00:20:10,996 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-09 00:20:10,996 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-09 00:20:10,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-09 00:20:10,997 INFO L82 PathProgramCache]: Analyzing trace with hash 173654324, now seen corresponding path program 1 times [2020-07-09 00:20:10,997 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-09 00:20:10,997 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1778791364] [2020-07-09 00:20:10,997 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-09 00:20:11,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-09 00:20:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-09 00:20:11,299 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 [2020-07-09 00:20:11,300 INFO L280 TraceCheckUtils]: 1: Hoare triple {2228#true} #valid := #valid[0 := 0]; {2228#true} is VALID [2020-07-09 00:20:11,300 INFO L280 TraceCheckUtils]: 2: Hoare triple {2228#true} assume 0 < #StackHeapBarrier; {2228#true} is VALID [2020-07-09 00:20:11,300 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 [2020-07-09 00:20:11,301 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 [2020-07-09 00:20:11,301 INFO L280 TraceCheckUtils]: 5: Hoare triple {2228#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, ~#pppox_protos~0.offset, 8); srcloc: L4728 {2228#true} is VALID [2020-07-09 00:20:11,302 INFO L280 TraceCheckUtils]: 6: Hoare triple {2228#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 8 + ~#pppox_protos~0.offset, 8); srcloc: L4728-1 {2228#true} is VALID [2020-07-09 00:20:11,302 INFO L280 TraceCheckUtils]: 7: Hoare triple {2228#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 16 + ~#pppox_protos~0.offset, 8); srcloc: L4728-2 {2228#true} is VALID [2020-07-09 00:20:11,302 INFO L280 TraceCheckUtils]: 8: Hoare triple {2228#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 24 + ~#pppox_protos~0.offset, 8); srcloc: L4728-3 {2228#true} is VALID [2020-07-09 00:20:11,302 INFO L280 TraceCheckUtils]: 9: Hoare triple {2228#true} SUMMARY for call ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset := #Ultimate.allocOnStack(20); srcloc: L4728-4 {2228#true} is VALID [2020-07-09 00:20:11,303 INFO L280 TraceCheckUtils]: 10: Hoare triple {2228#true} SUMMARY for call write~init~int(24, ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset, 4); srcloc: L4899 {2228#true} is VALID [2020-07-09 00:20:11,303 INFO L280 TraceCheckUtils]: 11: Hoare triple {2228#true} SUMMARY for call write~init~$Pointer$(#funAddr~pppox_create.base, #funAddr~pppox_create.offset, ~#pppox_proto_family~0.base, 4 + ~#pppox_proto_family~0.offset, 8); srcloc: L4899-1 {2228#true} is VALID [2020-07-09 00:20:11,303 INFO L280 TraceCheckUtils]: 12: Hoare triple {2228#true} SUMMARY for call write~init~$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 [2020-07-09 00:20:11,304 INFO L280 TraceCheckUtils]: 13: Hoare triple {2228#true} ~LDV_IN_INTERRUPT~0 := 0; {2228#true} is VALID [2020-07-09 00:20:11,304 INFO L280 TraceCheckUtils]: 14: Hoare triple {2228#true} ~ldv_module_refcounter~0 := 1; {2228#true} is VALID [2020-07-09 00:20:11,304 INFO L280 TraceCheckUtils]: 15: Hoare triple {2228#true} assume true; {2228#true} is VALID [2020-07-09 00:20:11,305 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {2228#true} {2228#true} #461#return; {2228#true} is VALID [2020-07-09 00:20:11,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-09 00:20:11,316 INFO L280 TraceCheckUtils]: 0: Hoare triple {2228#true} assume true; {2228#true} is VALID [2020-07-09 00:20:11,317 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2228#true} {2228#true} #429#return; {2228#true} is VALID [2020-07-09 00:20:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-09 00:20:11,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-09 00:20:11,343 INFO L280 TraceCheckUtils]: 0: Hoare triple {2228#true} ~arg0.base, ~arg0.offset := #in~arg0.base, #in~arg0.offset; {2228#true} is VALID [2020-07-09 00:20:11,344 INFO L280 TraceCheckUtils]: 1: Hoare triple {2228#true} assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647; {2228#true} is VALID [2020-07-09 00:20:11,346 INFO L280 TraceCheckUtils]: 2: Hoare triple {2228#true} #res := #t~nondet56; {2228#true} is VALID [2020-07-09 00:20:11,346 INFO L280 TraceCheckUtils]: 3: Hoare triple {2228#true} havoc #t~nondet56; {2228#true} is VALID [2020-07-09 00:20:11,346 INFO L280 TraceCheckUtils]: 4: Hoare triple {2228#true} assume true; {2228#true} is VALID [2020-07-09 00:20:11,346 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {2228#true} {2228#true} #455#return; {2228#true} is VALID [2020-07-09 00:20:11,347 INFO L280 TraceCheckUtils]: 0: Hoare triple {2228#true} havoc ~tmp~3; {2228#true} is VALID [2020-07-09 00:20:11,347 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 [2020-07-09 00:20:11,348 INFO L280 TraceCheckUtils]: 2: Hoare triple {2228#true} ~arg0.base, ~arg0.offset := #in~arg0.base, #in~arg0.offset; {2228#true} is VALID [2020-07-09 00:20:11,348 INFO L280 TraceCheckUtils]: 3: Hoare triple {2228#true} assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647; {2228#true} is VALID [2020-07-09 00:20:11,348 INFO L280 TraceCheckUtils]: 4: Hoare triple {2228#true} #res := #t~nondet56; {2228#true} is VALID [2020-07-09 00:20:11,348 INFO L280 TraceCheckUtils]: 5: Hoare triple {2228#true} havoc #t~nondet56; {2228#true} is VALID [2020-07-09 00:20:11,349 INFO L280 TraceCheckUtils]: 6: Hoare triple {2228#true} assume true; {2228#true} is VALID [2020-07-09 00:20:11,349 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {2228#true} {2228#true} #455#return; {2228#true} is VALID [2020-07-09 00:20:11,349 INFO L280 TraceCheckUtils]: 8: Hoare triple {2228#true} assume -2147483648 <= #t~ret46 && #t~ret46 <= 2147483647; {2228#true} is VALID [2020-07-09 00:20:11,350 INFO L280 TraceCheckUtils]: 9: Hoare triple {2228#true} ~tmp~3 := #t~ret46; {2228#true} is VALID [2020-07-09 00:20:11,350 INFO L280 TraceCheckUtils]: 10: Hoare triple {2228#true} havoc #t~ret46; {2228#true} is VALID [2020-07-09 00:20:11,357 INFO L280 TraceCheckUtils]: 11: Hoare triple {2228#true} #res := ~tmp~3; {2228#true} is VALID [2020-07-09 00:20:11,358 INFO L280 TraceCheckUtils]: 12: Hoare triple {2228#true} assume true; {2228#true} is VALID [2020-07-09 00:20:11,358 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {2228#true} {2228#true} #431#return; {2228#true} is VALID [2020-07-09 00:20:11,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-09 00:20:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-09 00:20:11,533 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 [2020-07-09 00:20:11,534 INFO L280 TraceCheckUtils]: 1: Hoare triple {2228#true} havoc ~module_get_succeeded~0; {2228#true} is VALID [2020-07-09 00:20:11,534 INFO L280 TraceCheckUtils]: 2: Hoare triple {2228#true} assume !(0 != (~module.base + ~module.offset) % 18446744073709551616); {2228#true} is VALID [2020-07-09 00:20:11,535 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 [2020-07-09 00:20:11,536 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 [2020-07-09 00:20:11,537 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 [2020-07-09 00:20:11,538 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 [2020-07-09 00:20:11,538 INFO L280 TraceCheckUtils]: 1: Hoare triple {2228#true} havoc ~tmp~5; {2228#true} is VALID [2020-07-09 00:20:11,539 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 [2020-07-09 00:20:11,539 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 [2020-07-09 00:20:11,540 INFO L280 TraceCheckUtils]: 4: Hoare triple {2228#true} havoc ~module_get_succeeded~0; {2228#true} is VALID [2020-07-09 00:20:11,540 INFO L280 TraceCheckUtils]: 5: Hoare triple {2228#true} assume !(0 != (~module.base + ~module.offset) % 18446744073709551616); {2228#true} is VALID [2020-07-09 00:20:11,541 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 [2020-07-09 00:20:11,541 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 [2020-07-09 00:20:11,543 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 [2020-07-09 00:20:11,548 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 [2020-07-09 00:20:11,549 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 [2020-07-09 00:20:11,550 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 [2020-07-09 00:20:11,550 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 [2020-07-09 00:20:11,551 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 [2020-07-09 00:20:11,552 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 [2020-07-09 00:20:11,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-09 00:20:11,561 INFO L280 TraceCheckUtils]: 0: Hoare triple {2228#true} #~39.base, #~39.offset := #in~39.base, #in~39.offset; {2228#true} is VALID [2020-07-09 00:20:11,562 INFO L280 TraceCheckUtils]: 1: Hoare triple {2228#true} #~40.base, #~40.offset := #in~40.base, #in~40.offset; {2228#true} is VALID [2020-07-09 00:20:11,562 INFO L280 TraceCheckUtils]: 2: Hoare triple {2228#true} assume true; {2228#true} is VALID [2020-07-09 00:20:11,562 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2228#true} {2229#false} #443#return; {2229#false} is VALID [2020-07-09 00:20:11,565 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 [2020-07-09 00:20:11,566 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 [2020-07-09 00:20:11,566 INFO L280 TraceCheckUtils]: 2: Hoare triple {2228#true} #valid := #valid[0 := 0]; {2228#true} is VALID [2020-07-09 00:20:11,566 INFO L280 TraceCheckUtils]: 3: Hoare triple {2228#true} assume 0 < #StackHeapBarrier; {2228#true} is VALID [2020-07-09 00:20:11,567 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 [2020-07-09 00:20:11,567 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 [2020-07-09 00:20:11,567 INFO L280 TraceCheckUtils]: 6: Hoare triple {2228#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, ~#pppox_protos~0.offset, 8); srcloc: L4728 {2228#true} is VALID [2020-07-09 00:20:11,567 INFO L280 TraceCheckUtils]: 7: Hoare triple {2228#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 8 + ~#pppox_protos~0.offset, 8); srcloc: L4728-1 {2228#true} is VALID [2020-07-09 00:20:11,567 INFO L280 TraceCheckUtils]: 8: Hoare triple {2228#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 16 + ~#pppox_protos~0.offset, 8); srcloc: L4728-2 {2228#true} is VALID [2020-07-09 00:20:11,568 INFO L280 TraceCheckUtils]: 9: Hoare triple {2228#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 24 + ~#pppox_protos~0.offset, 8); srcloc: L4728-3 {2228#true} is VALID [2020-07-09 00:20:11,568 INFO L280 TraceCheckUtils]: 10: Hoare triple {2228#true} SUMMARY for call ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset := #Ultimate.allocOnStack(20); srcloc: L4728-4 {2228#true} is VALID [2020-07-09 00:20:11,568 INFO L280 TraceCheckUtils]: 11: Hoare triple {2228#true} SUMMARY for call write~init~int(24, ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset, 4); srcloc: L4899 {2228#true} is VALID [2020-07-09 00:20:11,568 INFO L280 TraceCheckUtils]: 12: Hoare triple {2228#true} SUMMARY for call write~init~$Pointer$(#funAddr~pppox_create.base, #funAddr~pppox_create.offset, ~#pppox_proto_family~0.base, 4 + ~#pppox_proto_family~0.offset, 8); srcloc: L4899-1 {2228#true} is VALID [2020-07-09 00:20:11,569 INFO L280 TraceCheckUtils]: 13: Hoare triple {2228#true} SUMMARY for call write~init~$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 [2020-07-09 00:20:11,569 INFO L280 TraceCheckUtils]: 14: Hoare triple {2228#true} ~LDV_IN_INTERRUPT~0 := 0; {2228#true} is VALID [2020-07-09 00:20:11,569 INFO L280 TraceCheckUtils]: 15: Hoare triple {2228#true} ~ldv_module_refcounter~0 := 1; {2228#true} is VALID [2020-07-09 00:20:11,569 INFO L280 TraceCheckUtils]: 16: Hoare triple {2228#true} assume true; {2228#true} is VALID [2020-07-09 00:20:11,570 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {2228#true} {2228#true} #461#return; {2228#true} is VALID [2020-07-09 00:20:11,570 INFO L263 TraceCheckUtils]: 18: Hoare triple {2228#true} call #t~ret58 := main(); {2228#true} is VALID [2020-07-09 00:20:11,571 INFO L280 TraceCheckUtils]: 19: Hoare triple {2228#true} havoc ~var_group1~0.base, ~var_group1~0.offset; {2228#true} is VALID [2020-07-09 00:20:11,571 INFO L280 TraceCheckUtils]: 20: Hoare triple {2228#true} havoc ~var_group2~0.base, ~var_group2~0.offset; {2228#true} is VALID [2020-07-09 00:20:11,571 INFO L280 TraceCheckUtils]: 21: Hoare triple {2228#true} havoc ~var_pppox_create_4_p2~0; {2228#true} is VALID [2020-07-09 00:20:11,572 INFO L280 TraceCheckUtils]: 22: Hoare triple {2228#true} havoc ~var_pppox_create_4_p3~0; {2228#true} is VALID [2020-07-09 00:20:11,572 INFO L280 TraceCheckUtils]: 23: Hoare triple {2228#true} havoc ~tmp~4; {2228#true} is VALID [2020-07-09 00:20:11,573 INFO L280 TraceCheckUtils]: 24: Hoare triple {2228#true} havoc ~tmp___0~1; {2228#true} is VALID [2020-07-09 00:20:11,573 INFO L280 TraceCheckUtils]: 25: Hoare triple {2228#true} havoc ~tmp___1~0; {2228#true} is VALID [2020-07-09 00:20:11,573 INFO L280 TraceCheckUtils]: 26: Hoare triple {2228#true} ~LDV_IN_INTERRUPT~0 := 1; {2228#true} is VALID [2020-07-09 00:20:11,573 INFO L263 TraceCheckUtils]: 27: Hoare triple {2228#true} call ldv_initialize(); {2228#true} is VALID [2020-07-09 00:20:11,574 INFO L280 TraceCheckUtils]: 28: Hoare triple {2228#true} assume true; {2228#true} is VALID [2020-07-09 00:20:11,574 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {2228#true} {2228#true} #429#return; {2228#true} is VALID [2020-07-09 00:20:11,574 INFO L263 TraceCheckUtils]: 30: Hoare triple {2228#true} call #t~ret47 := pppox_init(); {2228#true} is VALID [2020-07-09 00:20:11,574 INFO L280 TraceCheckUtils]: 31: Hoare triple {2228#true} havoc ~tmp~3; {2228#true} is VALID [2020-07-09 00:20:11,575 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 [2020-07-09 00:20:11,575 INFO L280 TraceCheckUtils]: 33: Hoare triple {2228#true} ~arg0.base, ~arg0.offset := #in~arg0.base, #in~arg0.offset; {2228#true} is VALID [2020-07-09 00:20:11,575 INFO L280 TraceCheckUtils]: 34: Hoare triple {2228#true} assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647; {2228#true} is VALID [2020-07-09 00:20:11,578 INFO L280 TraceCheckUtils]: 35: Hoare triple {2228#true} #res := #t~nondet56; {2228#true} is VALID [2020-07-09 00:20:11,579 INFO L280 TraceCheckUtils]: 36: Hoare triple {2228#true} havoc #t~nondet56; {2228#true} is VALID [2020-07-09 00:20:11,579 INFO L280 TraceCheckUtils]: 37: Hoare triple {2228#true} assume true; {2228#true} is VALID [2020-07-09 00:20:11,579 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {2228#true} {2228#true} #455#return; {2228#true} is VALID [2020-07-09 00:20:11,580 INFO L280 TraceCheckUtils]: 39: Hoare triple {2228#true} assume -2147483648 <= #t~ret46 && #t~ret46 <= 2147483647; {2228#true} is VALID [2020-07-09 00:20:11,580 INFO L280 TraceCheckUtils]: 40: Hoare triple {2228#true} ~tmp~3 := #t~ret46; {2228#true} is VALID [2020-07-09 00:20:11,581 INFO L280 TraceCheckUtils]: 41: Hoare triple {2228#true} havoc #t~ret46; {2228#true} is VALID [2020-07-09 00:20:11,581 INFO L280 TraceCheckUtils]: 42: Hoare triple {2228#true} #res := ~tmp~3; {2228#true} is VALID [2020-07-09 00:20:11,581 INFO L280 TraceCheckUtils]: 43: Hoare triple {2228#true} assume true; {2228#true} is VALID [2020-07-09 00:20:11,587 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {2228#true} {2228#true} #431#return; {2228#true} is VALID [2020-07-09 00:20:11,588 INFO L280 TraceCheckUtils]: 45: Hoare triple {2228#true} assume -2147483648 <= #t~ret47 && #t~ret47 <= 2147483647; {2228#true} is VALID [2020-07-09 00:20:11,589 INFO L280 TraceCheckUtils]: 46: Hoare triple {2228#true} ~tmp~4 := #t~ret47; {2228#true} is VALID [2020-07-09 00:20:11,589 INFO L280 TraceCheckUtils]: 47: Hoare triple {2228#true} havoc #t~ret47; {2228#true} is VALID [2020-07-09 00:20:11,589 INFO L280 TraceCheckUtils]: 48: Hoare triple {2228#true} assume !(0 != ~tmp~4); {2228#true} is VALID [2020-07-09 00:20:11,589 INFO L280 TraceCheckUtils]: 49: Hoare triple {2228#true} assume -2147483648 <= #t~nondet50 && #t~nondet50 <= 2147483647; {2228#true} is VALID [2020-07-09 00:20:11,590 INFO L280 TraceCheckUtils]: 50: Hoare triple {2228#true} ~tmp___1~0 := #t~nondet50; {2228#true} is VALID [2020-07-09 00:20:11,590 INFO L280 TraceCheckUtils]: 51: Hoare triple {2228#true} havoc #t~nondet50; {2228#true} is VALID [2020-07-09 00:20:11,595 INFO L280 TraceCheckUtils]: 52: Hoare triple {2228#true} assume 0 != ~tmp___1~0; {2228#true} is VALID [2020-07-09 00:20:11,595 INFO L280 TraceCheckUtils]: 53: Hoare triple {2228#true} assume -2147483648 <= #t~nondet48 && #t~nondet48 <= 2147483647; {2228#true} is VALID [2020-07-09 00:20:11,595 INFO L280 TraceCheckUtils]: 54: Hoare triple {2228#true} ~tmp___0~1 := #t~nondet48; {2228#true} is VALID [2020-07-09 00:20:11,596 INFO L280 TraceCheckUtils]: 55: Hoare triple {2228#true} havoc #t~nondet48; {2228#true} is VALID [2020-07-09 00:20:11,596 INFO L280 TraceCheckUtils]: 56: Hoare triple {2228#true} assume 0 == ~tmp___0~1; {2228#true} is VALID [2020-07-09 00:20:11,596 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 [2020-07-09 00:20:11,596 INFO L280 TraceCheckUtils]: 58: Hoare triple {2228#true} ~net.base, ~net.offset := #in~net.base, #in~net.offset; {2228#true} is VALID [2020-07-09 00:20:11,597 INFO L280 TraceCheckUtils]: 59: Hoare triple {2228#true} ~sock.base, ~sock.offset := #in~sock.base, #in~sock.offset; {2228#true} is VALID [2020-07-09 00:20:11,597 INFO L280 TraceCheckUtils]: 60: Hoare triple {2228#true} ~protocol := #in~protocol; {2228#true} is VALID [2020-07-09 00:20:11,597 INFO L280 TraceCheckUtils]: 61: Hoare triple {2228#true} ~kern := #in~kern; {2228#true} is VALID [2020-07-09 00:20:11,597 INFO L280 TraceCheckUtils]: 62: Hoare triple {2228#true} havoc ~rc~1; {2228#true} is VALID [2020-07-09 00:20:11,597 INFO L280 TraceCheckUtils]: 63: Hoare triple {2228#true} havoc ~tmp~2; {2228#true} is VALID [2020-07-09 00:20:11,598 INFO L280 TraceCheckUtils]: 64: Hoare triple {2228#true} ~rc~1 := -91; {2228#true} is VALID [2020-07-09 00:20:11,598 INFO L280 TraceCheckUtils]: 65: Hoare triple {2228#true} assume !(~protocol < 0); {2228#true} is VALID [2020-07-09 00:20:11,600 INFO L280 TraceCheckUtils]: 66: Hoare triple {2228#true} assume !(~protocol > 3); {2228#true} is VALID [2020-07-09 00:20:11,601 INFO L280 TraceCheckUtils]: 67: Hoare triple {2228#true} ~rc~1 := -93; {2228#true} is VALID [2020-07-09 00:20:11,601 INFO L280 TraceCheckUtils]: 68: Hoare triple {2228#true} SUMMARY for call #t~mem30.base, #t~mem30.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8); srcloc: L4874 {2228#true} is VALID [2020-07-09 00:20:11,601 INFO L280 TraceCheckUtils]: 69: Hoare triple {2228#true} assume !(0 == (#t~mem30.base + #t~mem30.offset) % 18446744073709551616); {2228#true} is VALID [2020-07-09 00:20:11,601 INFO L280 TraceCheckUtils]: 70: Hoare triple {2228#true} havoc #t~mem30.base, #t~mem30.offset; {2228#true} is VALID [2020-07-09 00:20:11,602 INFO L280 TraceCheckUtils]: 71: Hoare triple {2228#true} SUMMARY for call #t~mem33.base, #t~mem33.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8); srcloc: L4874-5 {2228#true} is VALID [2020-07-09 00:20:11,602 INFO L280 TraceCheckUtils]: 72: Hoare triple {2228#true} assume !(0 == (#t~mem33.base + #t~mem33.offset) % 18446744073709551616); {2228#true} is VALID [2020-07-09 00:20:11,602 INFO L280 TraceCheckUtils]: 73: Hoare triple {2228#true} havoc #t~mem33.base, #t~mem33.offset; {2228#true} is VALID [2020-07-09 00:20:11,602 INFO L280 TraceCheckUtils]: 74: Hoare triple {2228#true} SUMMARY for call #t~mem34.base, #t~mem34.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8); srcloc: L4884 {2228#true} is VALID [2020-07-09 00:20:11,603 INFO L280 TraceCheckUtils]: 75: Hoare triple {2228#true} SUMMARY for call #t~mem35.base, #t~mem35.offset := read~$Pointer$(#t~mem34.base, 16 + #t~mem34.offset, 8); srcloc: L4884-1 {2228#true} is VALID [2020-07-09 00:20:11,607 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 [2020-07-09 00:20:11,608 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 [2020-07-09 00:20:11,608 INFO L280 TraceCheckUtils]: 78: Hoare triple {2228#true} havoc ~tmp~5; {2228#true} is VALID [2020-07-09 00:20:11,610 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 [2020-07-09 00:20:11,610 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 [2020-07-09 00:20:11,611 INFO L280 TraceCheckUtils]: 81: Hoare triple {2228#true} havoc ~module_get_succeeded~0; {2228#true} is VALID [2020-07-09 00:20:11,611 INFO L280 TraceCheckUtils]: 82: Hoare triple {2228#true} assume !(0 != (~module.base + ~module.offset) % 18446744073709551616); {2228#true} is VALID [2020-07-09 00:20:11,612 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 [2020-07-09 00:20:11,613 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 [2020-07-09 00:20:11,614 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 [2020-07-09 00:20:11,615 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 [2020-07-09 00:20:11,616 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 [2020-07-09 00:20:11,617 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 [2020-07-09 00:20:11,617 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 [2020-07-09 00:20:11,618 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 [2020-07-09 00:20:11,619 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 [2020-07-09 00:20:11,620 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 [2020-07-09 00:20:11,621 INFO L280 TraceCheckUtils]: 93: Hoare triple {2278#(= 0 |pppox_create_#t~ret36|)} ~tmp~2 := #t~ret36; {2279#(= 0 pppox_create_~tmp~2)} is VALID [2020-07-09 00:20:11,621 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 [2020-07-09 00:20:11,622 INFO L280 TraceCheckUtils]: 95: Hoare triple {2279#(= 0 pppox_create_~tmp~2)} havoc #t~mem35.base, #t~mem35.offset; {2279#(= 0 pppox_create_~tmp~2)} is VALID [2020-07-09 00:20:11,623 INFO L280 TraceCheckUtils]: 96: Hoare triple {2279#(= 0 pppox_create_~tmp~2)} havoc #t~ret36; {2279#(= 0 pppox_create_~tmp~2)} is VALID [2020-07-09 00:20:11,626 INFO L280 TraceCheckUtils]: 97: Hoare triple {2279#(= 0 pppox_create_~tmp~2)} assume !(0 == ~tmp~2); {2229#false} is VALID [2020-07-09 00:20:11,626 INFO L280 TraceCheckUtils]: 98: Hoare triple {2229#false} SUMMARY for call #t~mem41.base, #t~mem41.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8); srcloc: L4892 {2229#false} is VALID [2020-07-09 00:20:11,629 INFO L280 TraceCheckUtils]: 99: Hoare triple {2229#false} SUMMARY for call #t~mem42.base, #t~mem42.offset := read~$Pointer$(#t~mem41.base, #t~mem41.offset, 8); srcloc: L4892-1 {2229#false} is VALID [2020-07-09 00:20:11,629 INFO L263 TraceCheckUtils]: 100: Hoare triple {2229#false} call #t~ret43 := ##fun~$Pointer$~X~$Pointer$~TO~int(~net.base, ~net.offset, ~sock.base, ~sock.offset, #t~mem42.base, #t~mem42.offset); {2228#true} is VALID [2020-07-09 00:20:11,629 INFO L280 TraceCheckUtils]: 101: Hoare triple {2228#true} #~39.base, #~39.offset := #in~39.base, #in~39.offset; {2228#true} is VALID [2020-07-09 00:20:11,630 INFO L280 TraceCheckUtils]: 102: Hoare triple {2228#true} #~40.base, #~40.offset := #in~40.base, #in~40.offset; {2228#true} is VALID [2020-07-09 00:20:11,630 INFO L280 TraceCheckUtils]: 103: Hoare triple {2228#true} assume true; {2228#true} is VALID [2020-07-09 00:20:11,630 INFO L275 TraceCheckUtils]: 104: Hoare quadruple {2228#true} {2229#false} #443#return; {2229#false} is VALID [2020-07-09 00:20:11,631 INFO L280 TraceCheckUtils]: 105: Hoare triple {2229#false} assume -2147483648 <= #t~ret43 && #t~ret43 <= 2147483647; {2229#false} is VALID [2020-07-09 00:20:11,631 INFO L280 TraceCheckUtils]: 106: Hoare triple {2229#false} ~rc~1 := #t~ret43; {2229#false} is VALID [2020-07-09 00:20:11,631 INFO L280 TraceCheckUtils]: 107: Hoare triple {2229#false} havoc #t~mem41.base, #t~mem41.offset; {2229#false} is VALID [2020-07-09 00:20:11,634 INFO L280 TraceCheckUtils]: 108: Hoare triple {2229#false} havoc #t~mem42.base, #t~mem42.offset; {2229#false} is VALID [2020-07-09 00:20:11,634 INFO L280 TraceCheckUtils]: 109: Hoare triple {2229#false} havoc #t~ret43; {2229#false} is VALID [2020-07-09 00:20:11,634 INFO L280 TraceCheckUtils]: 110: Hoare triple {2229#false} SUMMARY for call #t~mem44.base, #t~mem44.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8); srcloc: L4893 {2229#false} is VALID [2020-07-09 00:20:11,635 INFO L280 TraceCheckUtils]: 111: Hoare triple {2229#false} SUMMARY for call #t~mem45.base, #t~mem45.offset := read~$Pointer$(#t~mem44.base, 16 + #t~mem44.offset, 8); srcloc: L4893-1 {2229#false} is VALID [2020-07-09 00:20:11,635 INFO L263 TraceCheckUtils]: 112: Hoare triple {2229#false} call ldv_module_put_2(#t~mem45.base, #t~mem45.offset); {2229#false} is VALID [2020-07-09 00:20:11,635 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 [2020-07-09 00:20:11,636 INFO L263 TraceCheckUtils]: 114: Hoare triple {2229#false} call ldv_module_put(~ldv_func_arg1.base, ~ldv_func_arg1.offset); {2229#false} is VALID [2020-07-09 00:20:11,636 INFO L280 TraceCheckUtils]: 115: Hoare triple {2229#false} ~module.base, ~module.offset := #in~module.base, #in~module.offset; {2229#false} is VALID [2020-07-09 00:20:11,638 INFO L280 TraceCheckUtils]: 116: Hoare triple {2229#false} assume 0 != (~module.base + ~module.offset) % 18446744073709551616; {2229#false} is VALID [2020-07-09 00:20:11,638 INFO L280 TraceCheckUtils]: 117: Hoare triple {2229#false} assume ~ldv_module_refcounter~0 <= 1; {2229#false} is VALID [2020-07-09 00:20:11,638 INFO L263 TraceCheckUtils]: 118: Hoare triple {2229#false} call ldv_blast_assert(); {2229#false} is VALID [2020-07-09 00:20:11,639 INFO L280 TraceCheckUtils]: 119: Hoare triple {2229#false} assume !false; {2229#false} is VALID [2020-07-09 00:20:11,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-09 00:20:11,659 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1778791364] [2020-07-09 00:20:11,659 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-09 00:20:11,660 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-09 00:20:11,660 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700148652] [2020-07-09 00:20:11,662 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 120 [2020-07-09 00:20:11,665 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-09 00:20:11,666 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2020-07-09 00:20:11,790 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 120 edges. 120 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-09 00:20:11,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-09 00:20:11,791 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-09 00:20:11,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-09 00:20:11,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-07-09 00:20:11,792 INFO L87 Difference]: Start difference. First operand 287 states and 313 transitions. Second operand 10 states. [2020-07-09 00:20:16,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-09 00:20:16,748 INFO L93 Difference]: Finished difference Result 495 states and 547 transitions. [2020-07-09 00:20:16,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-09 00:20:16,749 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 120 [2020-07-09 00:20:16,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-09 00:20:16,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-09 00:20:16,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 335 transitions. [2020-07-09 00:20:16,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-09 00:20:16,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 335 transitions. [2020-07-09 00:20:16,771 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 335 transitions. [2020-07-09 00:20:17,238 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 335 edges. 335 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-09 00:20:17,247 INFO L225 Difference]: With dead ends: 495 [2020-07-09 00:20:17,247 INFO L226 Difference]: Without dead ends: 257 [2020-07-09 00:20:17,251 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 [2020-07-09 00:20:17,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2020-07-09 00:20:18,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 244. [2020-07-09 00:20:18,325 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-09 00:20:18,325 INFO L82 GeneralOperation]: Start isEquivalent. First operand 257 states. Second operand 244 states. [2020-07-09 00:20:18,325 INFO L74 IsIncluded]: Start isIncluded. First operand 257 states. Second operand 244 states. [2020-07-09 00:20:18,325 INFO L87 Difference]: Start difference. First operand 257 states. Second operand 244 states. [2020-07-09 00:20:18,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-09 00:20:18,339 INFO L93 Difference]: Finished difference Result 257 states and 278 transitions. [2020-07-09 00:20:18,339 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 278 transitions. [2020-07-09 00:20:18,340 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-09 00:20:18,340 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-09 00:20:18,341 INFO L74 IsIncluded]: Start isIncluded. First operand 244 states. Second operand 257 states. [2020-07-09 00:20:18,341 INFO L87 Difference]: Start difference. First operand 244 states. Second operand 257 states. [2020-07-09 00:20:18,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-09 00:20:18,354 INFO L93 Difference]: Finished difference Result 257 states and 278 transitions. [2020-07-09 00:20:18,354 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 278 transitions. [2020-07-09 00:20:18,355 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-09 00:20:18,355 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-09 00:20:18,355 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-09 00:20:18,355 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-09 00:20:18,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-07-09 00:20:18,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 264 transitions. [2020-07-09 00:20:18,367 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 264 transitions. Word has length 120 [2020-07-09 00:20:18,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-09 00:20:18,369 INFO L479 AbstractCegarLoop]: Abstraction has 244 states and 264 transitions. [2020-07-09 00:20:18,369 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-09 00:20:18,369 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 244 states and 264 transitions. [2020-07-09 00:20:18,843 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 264 edges. 264 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-09 00:20:18,843 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 264 transitions. [2020-07-09 00:20:18,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-07-09 00:20:18,848 INFO L414 BasicCegarLoop]: Found error trace [2020-07-09 00:20:18,849 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] [2020-07-09 00:20:18,850 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-09 00:20:18,850 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-09 00:20:18,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-09 00:20:18,852 INFO L82 PathProgramCache]: Analyzing trace with hash -1108936363, now seen corresponding path program 1 times [2020-07-09 00:20:18,852 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-09 00:20:18,853 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1916173755] [2020-07-09 00:20:18,853 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-09 00:20:18,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-09 00:20:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-09 00:20:19,021 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 [2020-07-09 00:20:19,022 INFO L280 TraceCheckUtils]: 1: Hoare triple {4312#true} #valid := #valid[0 := 0]; {4312#true} is VALID [2020-07-09 00:20:19,022 INFO L280 TraceCheckUtils]: 2: Hoare triple {4312#true} assume 0 < #StackHeapBarrier; {4312#true} is VALID [2020-07-09 00:20:19,022 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 [2020-07-09 00:20:19,022 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 [2020-07-09 00:20:19,023 INFO L280 TraceCheckUtils]: 5: Hoare triple {4312#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, ~#pppox_protos~0.offset, 8); srcloc: L4728 {4312#true} is VALID [2020-07-09 00:20:19,023 INFO L280 TraceCheckUtils]: 6: Hoare triple {4312#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 8 + ~#pppox_protos~0.offset, 8); srcloc: L4728-1 {4312#true} is VALID [2020-07-09 00:20:19,023 INFO L280 TraceCheckUtils]: 7: Hoare triple {4312#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 16 + ~#pppox_protos~0.offset, 8); srcloc: L4728-2 {4312#true} is VALID [2020-07-09 00:20:19,023 INFO L280 TraceCheckUtils]: 8: Hoare triple {4312#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 24 + ~#pppox_protos~0.offset, 8); srcloc: L4728-3 {4312#true} is VALID [2020-07-09 00:20:19,024 INFO L280 TraceCheckUtils]: 9: Hoare triple {4312#true} SUMMARY for call ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset := #Ultimate.allocOnStack(20); srcloc: L4728-4 {4312#true} is VALID [2020-07-09 00:20:19,024 INFO L280 TraceCheckUtils]: 10: Hoare triple {4312#true} SUMMARY for call write~init~int(24, ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset, 4); srcloc: L4899 {4312#true} is VALID [2020-07-09 00:20:19,024 INFO L280 TraceCheckUtils]: 11: Hoare triple {4312#true} SUMMARY for call write~init~$Pointer$(#funAddr~pppox_create.base, #funAddr~pppox_create.offset, ~#pppox_proto_family~0.base, 4 + ~#pppox_proto_family~0.offset, 8); srcloc: L4899-1 {4312#true} is VALID [2020-07-09 00:20:19,024 INFO L280 TraceCheckUtils]: 12: Hoare triple {4312#true} SUMMARY for call write~init~$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 [2020-07-09 00:20:19,024 INFO L280 TraceCheckUtils]: 13: Hoare triple {4312#true} ~LDV_IN_INTERRUPT~0 := 0; {4312#true} is VALID [2020-07-09 00:20:19,025 INFO L280 TraceCheckUtils]: 14: Hoare triple {4312#true} ~ldv_module_refcounter~0 := 1; {4312#true} is VALID [2020-07-09 00:20:19,025 INFO L280 TraceCheckUtils]: 15: Hoare triple {4312#true} assume true; {4312#true} is VALID [2020-07-09 00:20:19,026 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {4312#true} {4312#true} #461#return; {4312#true} is VALID [2020-07-09 00:20:19,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-09 00:20:19,033 INFO L280 TraceCheckUtils]: 0: Hoare triple {4312#true} assume true; {4312#true} is VALID [2020-07-09 00:20:19,034 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {4312#true} {4312#true} #429#return; {4312#true} is VALID [2020-07-09 00:20:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-09 00:20:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-09 00:20:19,065 INFO L280 TraceCheckUtils]: 0: Hoare triple {4312#true} ~arg0.base, ~arg0.offset := #in~arg0.base, #in~arg0.offset; {4312#true} is VALID [2020-07-09 00:20:19,066 INFO L280 TraceCheckUtils]: 1: Hoare triple {4312#true} assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647; {4312#true} is VALID [2020-07-09 00:20:19,066 INFO L280 TraceCheckUtils]: 2: Hoare triple {4312#true} #res := #t~nondet56; {4312#true} is VALID [2020-07-09 00:20:19,066 INFO L280 TraceCheckUtils]: 3: Hoare triple {4312#true} havoc #t~nondet56; {4312#true} is VALID [2020-07-09 00:20:19,066 INFO L280 TraceCheckUtils]: 4: Hoare triple {4312#true} assume true; {4312#true} is VALID [2020-07-09 00:20:19,067 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {4312#true} {4312#true} #455#return; {4312#true} is VALID [2020-07-09 00:20:19,067 INFO L280 TraceCheckUtils]: 0: Hoare triple {4312#true} havoc ~tmp~3; {4312#true} is VALID [2020-07-09 00:20:19,067 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 [2020-07-09 00:20:19,068 INFO L280 TraceCheckUtils]: 2: Hoare triple {4312#true} ~arg0.base, ~arg0.offset := #in~arg0.base, #in~arg0.offset; {4312#true} is VALID [2020-07-09 00:20:19,068 INFO L280 TraceCheckUtils]: 3: Hoare triple {4312#true} assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647; {4312#true} is VALID [2020-07-09 00:20:19,068 INFO L280 TraceCheckUtils]: 4: Hoare triple {4312#true} #res := #t~nondet56; {4312#true} is VALID [2020-07-09 00:20:19,068 INFO L280 TraceCheckUtils]: 5: Hoare triple {4312#true} havoc #t~nondet56; {4312#true} is VALID [2020-07-09 00:20:19,068 INFO L280 TraceCheckUtils]: 6: Hoare triple {4312#true} assume true; {4312#true} is VALID [2020-07-09 00:20:19,069 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {4312#true} {4312#true} #455#return; {4312#true} is VALID [2020-07-09 00:20:19,069 INFO L280 TraceCheckUtils]: 8: Hoare triple {4312#true} assume -2147483648 <= #t~ret46 && #t~ret46 <= 2147483647; {4312#true} is VALID [2020-07-09 00:20:19,069 INFO L280 TraceCheckUtils]: 9: Hoare triple {4312#true} ~tmp~3 := #t~ret46; {4312#true} is VALID [2020-07-09 00:20:19,070 INFO L280 TraceCheckUtils]: 10: Hoare triple {4312#true} havoc #t~ret46; {4312#true} is VALID [2020-07-09 00:20:19,070 INFO L280 TraceCheckUtils]: 11: Hoare triple {4312#true} #res := ~tmp~3; {4312#true} is VALID [2020-07-09 00:20:19,070 INFO L280 TraceCheckUtils]: 12: Hoare triple {4312#true} assume true; {4312#true} is VALID [2020-07-09 00:20:19,070 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {4312#true} {4312#true} #431#return; {4312#true} is VALID [2020-07-09 00:20:19,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-09 00:20:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-09 00:20:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-09 00:20:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-09 00:20:19,250 INFO L280 TraceCheckUtils]: 0: Hoare triple {4312#true} assume -2147483648 <= #t~nondet54 && #t~nondet54 <= 2147483647; {4312#true} is VALID [2020-07-09 00:20:19,250 INFO L280 TraceCheckUtils]: 1: Hoare triple {4312#true} #res := #t~nondet54; {4312#true} is VALID [2020-07-09 00:20:19,251 INFO L280 TraceCheckUtils]: 2: Hoare triple {4312#true} havoc #t~nondet54; {4312#true} is VALID [2020-07-09 00:20:19,251 INFO L280 TraceCheckUtils]: 3: Hoare triple {4312#true} assume true; {4312#true} is VALID [2020-07-09 00:20:19,252 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {4312#true} {4312#true} #439#return; {4312#true} is VALID [2020-07-09 00:20:19,252 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 [2020-07-09 00:20:19,252 INFO L280 TraceCheckUtils]: 1: Hoare triple {4312#true} havoc ~module_get_succeeded~0; {4312#true} is VALID [2020-07-09 00:20:19,253 INFO L280 TraceCheckUtils]: 2: Hoare triple {4312#true} assume 0 != (~module.base + ~module.offset) % 18446744073709551616; {4312#true} is VALID [2020-07-09 00:20:19,253 INFO L263 TraceCheckUtils]: 3: Hoare triple {4312#true} call #t~ret51 := ldv_undefined_int(); {4312#true} is VALID [2020-07-09 00:20:19,253 INFO L280 TraceCheckUtils]: 4: Hoare triple {4312#true} assume -2147483648 <= #t~nondet54 && #t~nondet54 <= 2147483647; {4312#true} is VALID [2020-07-09 00:20:19,254 INFO L280 TraceCheckUtils]: 5: Hoare triple {4312#true} #res := #t~nondet54; {4312#true} is VALID [2020-07-09 00:20:19,254 INFO L280 TraceCheckUtils]: 6: Hoare triple {4312#true} havoc #t~nondet54; {4312#true} is VALID [2020-07-09 00:20:19,254 INFO L280 TraceCheckUtils]: 7: Hoare triple {4312#true} assume true; {4312#true} is VALID [2020-07-09 00:20:19,255 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {4312#true} {4312#true} #439#return; {4312#true} is VALID [2020-07-09 00:20:19,255 INFO L280 TraceCheckUtils]: 9: Hoare triple {4312#true} assume -2147483648 <= #t~ret51 && #t~ret51 <= 2147483647; {4312#true} is VALID [2020-07-09 00:20:19,255 INFO L280 TraceCheckUtils]: 10: Hoare triple {4312#true} ~module_get_succeeded~0 := #t~ret51; {4312#true} is VALID [2020-07-09 00:20:19,256 INFO L280 TraceCheckUtils]: 11: Hoare triple {4312#true} havoc #t~ret51; {4312#true} is VALID [2020-07-09 00:20:19,256 INFO L280 TraceCheckUtils]: 12: Hoare triple {4312#true} assume 1 == ~module_get_succeeded~0; {4312#true} is VALID [2020-07-09 00:20:19,256 INFO L280 TraceCheckUtils]: 13: Hoare triple {4312#true} ~ldv_module_refcounter~0 := 1 + ~ldv_module_refcounter~0; {4312#true} is VALID [2020-07-09 00:20:19,258 INFO L280 TraceCheckUtils]: 14: Hoare triple {4312#true} #res := 1; {4468#(<= 1 |ldv_try_module_get_#res|)} is VALID [2020-07-09 00:20:19,259 INFO L280 TraceCheckUtils]: 15: Hoare triple {4468#(<= 1 |ldv_try_module_get_#res|)} assume true; {4468#(<= 1 |ldv_try_module_get_#res|)} is VALID [2020-07-09 00:20:19,261 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 [2020-07-09 00:20:19,262 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 [2020-07-09 00:20:19,263 INFO L280 TraceCheckUtils]: 1: Hoare triple {4312#true} havoc ~tmp~5; {4312#true} is VALID [2020-07-09 00:20:19,265 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 [2020-07-09 00:20:19,266 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 [2020-07-09 00:20:19,266 INFO L280 TraceCheckUtils]: 4: Hoare triple {4312#true} havoc ~module_get_succeeded~0; {4312#true} is VALID [2020-07-09 00:20:19,266 INFO L280 TraceCheckUtils]: 5: Hoare triple {4312#true} assume 0 != (~module.base + ~module.offset) % 18446744073709551616; {4312#true} is VALID [2020-07-09 00:20:19,266 INFO L263 TraceCheckUtils]: 6: Hoare triple {4312#true} call #t~ret51 := ldv_undefined_int(); {4312#true} is VALID [2020-07-09 00:20:19,267 INFO L280 TraceCheckUtils]: 7: Hoare triple {4312#true} assume -2147483648 <= #t~nondet54 && #t~nondet54 <= 2147483647; {4312#true} is VALID [2020-07-09 00:20:19,267 INFO L280 TraceCheckUtils]: 8: Hoare triple {4312#true} #res := #t~nondet54; {4312#true} is VALID [2020-07-09 00:20:19,267 INFO L280 TraceCheckUtils]: 9: Hoare triple {4312#true} havoc #t~nondet54; {4312#true} is VALID [2020-07-09 00:20:19,268 INFO L280 TraceCheckUtils]: 10: Hoare triple {4312#true} assume true; {4312#true} is VALID [2020-07-09 00:20:19,268 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {4312#true} {4312#true} #439#return; {4312#true} is VALID [2020-07-09 00:20:19,268 INFO L280 TraceCheckUtils]: 12: Hoare triple {4312#true} assume -2147483648 <= #t~ret51 && #t~ret51 <= 2147483647; {4312#true} is VALID [2020-07-09 00:20:19,268 INFO L280 TraceCheckUtils]: 13: Hoare triple {4312#true} ~module_get_succeeded~0 := #t~ret51; {4312#true} is VALID [2020-07-09 00:20:19,269 INFO L280 TraceCheckUtils]: 14: Hoare triple {4312#true} havoc #t~ret51; {4312#true} is VALID [2020-07-09 00:20:19,269 INFO L280 TraceCheckUtils]: 15: Hoare triple {4312#true} assume 1 == ~module_get_succeeded~0; {4312#true} is VALID [2020-07-09 00:20:19,269 INFO L280 TraceCheckUtils]: 16: Hoare triple {4312#true} ~ldv_module_refcounter~0 := 1 + ~ldv_module_refcounter~0; {4312#true} is VALID [2020-07-09 00:20:19,271 INFO L280 TraceCheckUtils]: 17: Hoare triple {4312#true} #res := 1; {4468#(<= 1 |ldv_try_module_get_#res|)} is VALID [2020-07-09 00:20:19,273 INFO L280 TraceCheckUtils]: 18: Hoare triple {4468#(<= 1 |ldv_try_module_get_#res|)} assume true; {4468#(<= 1 |ldv_try_module_get_#res|)} is VALID [2020-07-09 00:20:19,275 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 [2020-07-09 00:20:19,277 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 [2020-07-09 00:20:19,279 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 [2020-07-09 00:20:19,279 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 [2020-07-09 00:20:19,280 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 [2020-07-09 00:20:19,281 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 [2020-07-09 00:20:19,283 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 [2020-07-09 00:20:19,284 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 [2020-07-09 00:20:19,285 INFO L280 TraceCheckUtils]: 1: Hoare triple {4312#true} ~sock.base, ~sock.offset := #in~sock.base, #in~sock.offset; {4312#true} is VALID [2020-07-09 00:20:19,285 INFO L280 TraceCheckUtils]: 2: Hoare triple {4312#true} ~protocol := #in~protocol; {4312#true} is VALID [2020-07-09 00:20:19,285 INFO L280 TraceCheckUtils]: 3: Hoare triple {4312#true} ~kern := #in~kern; {4312#true} is VALID [2020-07-09 00:20:19,286 INFO L280 TraceCheckUtils]: 4: Hoare triple {4312#true} havoc ~rc~1; {4312#true} is VALID [2020-07-09 00:20:19,286 INFO L280 TraceCheckUtils]: 5: Hoare triple {4312#true} havoc ~tmp~2; {4312#true} is VALID [2020-07-09 00:20:19,286 INFO L280 TraceCheckUtils]: 6: Hoare triple {4312#true} ~rc~1 := -91; {4312#true} is VALID [2020-07-09 00:20:19,286 INFO L280 TraceCheckUtils]: 7: Hoare triple {4312#true} assume !(~protocol < 0); {4312#true} is VALID [2020-07-09 00:20:19,287 INFO L280 TraceCheckUtils]: 8: Hoare triple {4312#true} assume !(~protocol > 3); {4312#true} is VALID [2020-07-09 00:20:19,287 INFO L280 TraceCheckUtils]: 9: Hoare triple {4312#true} ~rc~1 := -93; {4312#true} is VALID [2020-07-09 00:20:19,287 INFO L280 TraceCheckUtils]: 10: Hoare triple {4312#true} SUMMARY for call #t~mem30.base, #t~mem30.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8); srcloc: L4874 {4312#true} is VALID [2020-07-09 00:20:19,287 INFO L280 TraceCheckUtils]: 11: Hoare triple {4312#true} assume !(0 == (#t~mem30.base + #t~mem30.offset) % 18446744073709551616); {4312#true} is VALID [2020-07-09 00:20:19,288 INFO L280 TraceCheckUtils]: 12: Hoare triple {4312#true} havoc #t~mem30.base, #t~mem30.offset; {4312#true} is VALID [2020-07-09 00:20:19,288 INFO L280 TraceCheckUtils]: 13: Hoare triple {4312#true} SUMMARY for call #t~mem33.base, #t~mem33.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8); srcloc: L4874-5 {4312#true} is VALID [2020-07-09 00:20:19,288 INFO L280 TraceCheckUtils]: 14: Hoare triple {4312#true} assume !(0 == (#t~mem33.base + #t~mem33.offset) % 18446744073709551616); {4312#true} is VALID [2020-07-09 00:20:19,289 INFO L280 TraceCheckUtils]: 15: Hoare triple {4312#true} havoc #t~mem33.base, #t~mem33.offset; {4312#true} is VALID [2020-07-09 00:20:19,289 INFO L280 TraceCheckUtils]: 16: Hoare triple {4312#true} SUMMARY for call #t~mem34.base, #t~mem34.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8); srcloc: L4884 {4312#true} is VALID [2020-07-09 00:20:19,289 INFO L280 TraceCheckUtils]: 17: Hoare triple {4312#true} SUMMARY for call #t~mem35.base, #t~mem35.offset := read~$Pointer$(#t~mem34.base, 16 + #t~mem34.offset, 8); srcloc: L4884-1 {4312#true} is VALID [2020-07-09 00:20:19,291 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 [2020-07-09 00:20:19,291 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 [2020-07-09 00:20:19,291 INFO L280 TraceCheckUtils]: 20: Hoare triple {4312#true} havoc ~tmp~5; {4312#true} is VALID [2020-07-09 00:20:19,293 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 [2020-07-09 00:20:19,293 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 [2020-07-09 00:20:19,293 INFO L280 TraceCheckUtils]: 23: Hoare triple {4312#true} havoc ~module_get_succeeded~0; {4312#true} is VALID [2020-07-09 00:20:19,294 INFO L280 TraceCheckUtils]: 24: Hoare triple {4312#true} assume 0 != (~module.base + ~module.offset) % 18446744073709551616; {4312#true} is VALID [2020-07-09 00:20:19,294 INFO L263 TraceCheckUtils]: 25: Hoare triple {4312#true} call #t~ret51 := ldv_undefined_int(); {4312#true} is VALID [2020-07-09 00:20:19,294 INFO L280 TraceCheckUtils]: 26: Hoare triple {4312#true} assume -2147483648 <= #t~nondet54 && #t~nondet54 <= 2147483647; {4312#true} is VALID [2020-07-09 00:20:19,295 INFO L280 TraceCheckUtils]: 27: Hoare triple {4312#true} #res := #t~nondet54; {4312#true} is VALID [2020-07-09 00:20:19,295 INFO L280 TraceCheckUtils]: 28: Hoare triple {4312#true} havoc #t~nondet54; {4312#true} is VALID [2020-07-09 00:20:19,295 INFO L280 TraceCheckUtils]: 29: Hoare triple {4312#true} assume true; {4312#true} is VALID [2020-07-09 00:20:19,295 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {4312#true} {4312#true} #439#return; {4312#true} is VALID [2020-07-09 00:20:19,296 INFO L280 TraceCheckUtils]: 31: Hoare triple {4312#true} assume -2147483648 <= #t~ret51 && #t~ret51 <= 2147483647; {4312#true} is VALID [2020-07-09 00:20:19,296 INFO L280 TraceCheckUtils]: 32: Hoare triple {4312#true} ~module_get_succeeded~0 := #t~ret51; {4312#true} is VALID [2020-07-09 00:20:19,296 INFO L280 TraceCheckUtils]: 33: Hoare triple {4312#true} havoc #t~ret51; {4312#true} is VALID [2020-07-09 00:20:19,296 INFO L280 TraceCheckUtils]: 34: Hoare triple {4312#true} assume 1 == ~module_get_succeeded~0; {4312#true} is VALID [2020-07-09 00:20:19,297 INFO L280 TraceCheckUtils]: 35: Hoare triple {4312#true} ~ldv_module_refcounter~0 := 1 + ~ldv_module_refcounter~0; {4312#true} is VALID [2020-07-09 00:20:19,298 INFO L280 TraceCheckUtils]: 36: Hoare triple {4312#true} #res := 1; {4468#(<= 1 |ldv_try_module_get_#res|)} is VALID [2020-07-09 00:20:19,299 INFO L280 TraceCheckUtils]: 37: Hoare triple {4468#(<= 1 |ldv_try_module_get_#res|)} assume true; {4468#(<= 1 |ldv_try_module_get_#res|)} is VALID [2020-07-09 00:20:19,300 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 [2020-07-09 00:20:19,301 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 [2020-07-09 00:20:19,302 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 [2020-07-09 00:20:19,302 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 [2020-07-09 00:20:19,303 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 [2020-07-09 00:20:19,304 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 [2020-07-09 00:20:19,305 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 [2020-07-09 00:20:19,306 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 [2020-07-09 00:20:19,307 INFO L280 TraceCheckUtils]: 46: Hoare triple {4441#(<= 1 |pppox_create_#t~ret36|)} ~tmp~2 := #t~ret36; {4442#(<= 1 pppox_create_~tmp~2)} is VALID [2020-07-09 00:20:19,308 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 [2020-07-09 00:20:19,308 INFO L280 TraceCheckUtils]: 48: Hoare triple {4442#(<= 1 pppox_create_~tmp~2)} havoc #t~mem35.base, #t~mem35.offset; {4442#(<= 1 pppox_create_~tmp~2)} is VALID [2020-07-09 00:20:19,309 INFO L280 TraceCheckUtils]: 49: Hoare triple {4442#(<= 1 pppox_create_~tmp~2)} havoc #t~ret36; {4442#(<= 1 pppox_create_~tmp~2)} is VALID [2020-07-09 00:20:19,310 INFO L280 TraceCheckUtils]: 50: Hoare triple {4442#(<= 1 pppox_create_~tmp~2)} assume 0 == ~tmp~2; {4313#false} is VALID [2020-07-09 00:20:19,310 INFO L280 TraceCheckUtils]: 51: Hoare triple {4313#false} #res := ~rc~1; {4313#false} is VALID [2020-07-09 00:20:19,311 INFO L280 TraceCheckUtils]: 52: Hoare triple {4313#false} assume true; {4313#false} is VALID [2020-07-09 00:20:19,311 INFO L275 TraceCheckUtils]: 53: Hoare quadruple {4313#false} {4312#true} #433#return; {4313#false} is VALID [2020-07-09 00:20:19,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-09 00:20:19,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-09 00:20:19,330 INFO L280 TraceCheckUtils]: 0: Hoare triple {4312#true} ~arg0 := #in~arg0; {4312#true} is VALID [2020-07-09 00:20:19,331 INFO L280 TraceCheckUtils]: 1: Hoare triple {4312#true} assume true; {4312#true} is VALID [2020-07-09 00:20:19,331 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {4312#true} {4312#true} #449#return; {4312#true} is VALID [2020-07-09 00:20:19,332 INFO L263 TraceCheckUtils]: 0: Hoare triple {4312#true} call sock_unregister(24); {4312#true} is VALID [2020-07-09 00:20:19,332 INFO L280 TraceCheckUtils]: 1: Hoare triple {4312#true} ~arg0 := #in~arg0; {4312#true} is VALID [2020-07-09 00:20:19,332 INFO L280 TraceCheckUtils]: 2: Hoare triple {4312#true} assume true; {4312#true} is VALID [2020-07-09 00:20:19,333 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4312#true} {4312#true} #449#return; {4312#true} is VALID [2020-07-09 00:20:19,333 INFO L280 TraceCheckUtils]: 4: Hoare triple {4312#true} assume true; {4312#true} is VALID [2020-07-09 00:20:19,333 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {4312#true} {4313#false} #435#return; {4313#false} is VALID [2020-07-09 00:20:19,335 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 [2020-07-09 00:20:19,336 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 [2020-07-09 00:20:19,336 INFO L280 TraceCheckUtils]: 2: Hoare triple {4312#true} #valid := #valid[0 := 0]; {4312#true} is VALID [2020-07-09 00:20:19,336 INFO L280 TraceCheckUtils]: 3: Hoare triple {4312#true} assume 0 < #StackHeapBarrier; {4312#true} is VALID [2020-07-09 00:20:19,337 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 [2020-07-09 00:20:19,337 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 [2020-07-09 00:20:19,337 INFO L280 TraceCheckUtils]: 6: Hoare triple {4312#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, ~#pppox_protos~0.offset, 8); srcloc: L4728 {4312#true} is VALID [2020-07-09 00:20:19,337 INFO L280 TraceCheckUtils]: 7: Hoare triple {4312#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 8 + ~#pppox_protos~0.offset, 8); srcloc: L4728-1 {4312#true} is VALID [2020-07-09 00:20:19,338 INFO L280 TraceCheckUtils]: 8: Hoare triple {4312#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 16 + ~#pppox_protos~0.offset, 8); srcloc: L4728-2 {4312#true} is VALID [2020-07-09 00:20:19,338 INFO L280 TraceCheckUtils]: 9: Hoare triple {4312#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 24 + ~#pppox_protos~0.offset, 8); srcloc: L4728-3 {4312#true} is VALID [2020-07-09 00:20:19,338 INFO L280 TraceCheckUtils]: 10: Hoare triple {4312#true} SUMMARY for call ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset := #Ultimate.allocOnStack(20); srcloc: L4728-4 {4312#true} is VALID [2020-07-09 00:20:19,339 INFO L280 TraceCheckUtils]: 11: Hoare triple {4312#true} SUMMARY for call write~init~int(24, ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset, 4); srcloc: L4899 {4312#true} is VALID [2020-07-09 00:20:19,339 INFO L280 TraceCheckUtils]: 12: Hoare triple {4312#true} SUMMARY for call write~init~$Pointer$(#funAddr~pppox_create.base, #funAddr~pppox_create.offset, ~#pppox_proto_family~0.base, 4 + ~#pppox_proto_family~0.offset, 8); srcloc: L4899-1 {4312#true} is VALID [2020-07-09 00:20:19,339 INFO L280 TraceCheckUtils]: 13: Hoare triple {4312#true} SUMMARY for call write~init~$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 [2020-07-09 00:20:19,339 INFO L280 TraceCheckUtils]: 14: Hoare triple {4312#true} ~LDV_IN_INTERRUPT~0 := 0; {4312#true} is VALID [2020-07-09 00:20:19,340 INFO L280 TraceCheckUtils]: 15: Hoare triple {4312#true} ~ldv_module_refcounter~0 := 1; {4312#true} is VALID [2020-07-09 00:20:19,340 INFO L280 TraceCheckUtils]: 16: Hoare triple {4312#true} assume true; {4312#true} is VALID [2020-07-09 00:20:19,340 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {4312#true} {4312#true} #461#return; {4312#true} is VALID [2020-07-09 00:20:19,341 INFO L263 TraceCheckUtils]: 18: Hoare triple {4312#true} call #t~ret58 := main(); {4312#true} is VALID [2020-07-09 00:20:19,341 INFO L280 TraceCheckUtils]: 19: Hoare triple {4312#true} havoc ~var_group1~0.base, ~var_group1~0.offset; {4312#true} is VALID [2020-07-09 00:20:19,341 INFO L280 TraceCheckUtils]: 20: Hoare triple {4312#true} havoc ~var_group2~0.base, ~var_group2~0.offset; {4312#true} is VALID [2020-07-09 00:20:19,341 INFO L280 TraceCheckUtils]: 21: Hoare triple {4312#true} havoc ~var_pppox_create_4_p2~0; {4312#true} is VALID [2020-07-09 00:20:19,342 INFO L280 TraceCheckUtils]: 22: Hoare triple {4312#true} havoc ~var_pppox_create_4_p3~0; {4312#true} is VALID [2020-07-09 00:20:19,342 INFO L280 TraceCheckUtils]: 23: Hoare triple {4312#true} havoc ~tmp~4; {4312#true} is VALID [2020-07-09 00:20:19,342 INFO L280 TraceCheckUtils]: 24: Hoare triple {4312#true} havoc ~tmp___0~1; {4312#true} is VALID [2020-07-09 00:20:19,342 INFO L280 TraceCheckUtils]: 25: Hoare triple {4312#true} havoc ~tmp___1~0; {4312#true} is VALID [2020-07-09 00:20:19,343 INFO L280 TraceCheckUtils]: 26: Hoare triple {4312#true} ~LDV_IN_INTERRUPT~0 := 1; {4312#true} is VALID [2020-07-09 00:20:19,343 INFO L263 TraceCheckUtils]: 27: Hoare triple {4312#true} call ldv_initialize(); {4312#true} is VALID [2020-07-09 00:20:19,343 INFO L280 TraceCheckUtils]: 28: Hoare triple {4312#true} assume true; {4312#true} is VALID [2020-07-09 00:20:19,344 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {4312#true} {4312#true} #429#return; {4312#true} is VALID [2020-07-09 00:20:19,344 INFO L263 TraceCheckUtils]: 30: Hoare triple {4312#true} call #t~ret47 := pppox_init(); {4312#true} is VALID [2020-07-09 00:20:19,344 INFO L280 TraceCheckUtils]: 31: Hoare triple {4312#true} havoc ~tmp~3; {4312#true} is VALID [2020-07-09 00:20:19,344 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 [2020-07-09 00:20:19,344 INFO L280 TraceCheckUtils]: 33: Hoare triple {4312#true} ~arg0.base, ~arg0.offset := #in~arg0.base, #in~arg0.offset; {4312#true} is VALID [2020-07-09 00:20:19,345 INFO L280 TraceCheckUtils]: 34: Hoare triple {4312#true} assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647; {4312#true} is VALID [2020-07-09 00:20:19,345 INFO L280 TraceCheckUtils]: 35: Hoare triple {4312#true} #res := #t~nondet56; {4312#true} is VALID [2020-07-09 00:20:19,345 INFO L280 TraceCheckUtils]: 36: Hoare triple {4312#true} havoc #t~nondet56; {4312#true} is VALID [2020-07-09 00:20:19,346 INFO L280 TraceCheckUtils]: 37: Hoare triple {4312#true} assume true; {4312#true} is VALID [2020-07-09 00:20:19,346 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {4312#true} {4312#true} #455#return; {4312#true} is VALID [2020-07-09 00:20:19,346 INFO L280 TraceCheckUtils]: 39: Hoare triple {4312#true} assume -2147483648 <= #t~ret46 && #t~ret46 <= 2147483647; {4312#true} is VALID [2020-07-09 00:20:19,346 INFO L280 TraceCheckUtils]: 40: Hoare triple {4312#true} ~tmp~3 := #t~ret46; {4312#true} is VALID [2020-07-09 00:20:19,347 INFO L280 TraceCheckUtils]: 41: Hoare triple {4312#true} havoc #t~ret46; {4312#true} is VALID [2020-07-09 00:20:19,347 INFO L280 TraceCheckUtils]: 42: Hoare triple {4312#true} #res := ~tmp~3; {4312#true} is VALID [2020-07-09 00:20:19,347 INFO L280 TraceCheckUtils]: 43: Hoare triple {4312#true} assume true; {4312#true} is VALID [2020-07-09 00:20:19,347 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {4312#true} {4312#true} #431#return; {4312#true} is VALID [2020-07-09 00:20:19,347 INFO L280 TraceCheckUtils]: 45: Hoare triple {4312#true} assume -2147483648 <= #t~ret47 && #t~ret47 <= 2147483647; {4312#true} is VALID [2020-07-09 00:20:19,348 INFO L280 TraceCheckUtils]: 46: Hoare triple {4312#true} ~tmp~4 := #t~ret47; {4312#true} is VALID [2020-07-09 00:20:19,348 INFO L280 TraceCheckUtils]: 47: Hoare triple {4312#true} havoc #t~ret47; {4312#true} is VALID [2020-07-09 00:20:19,348 INFO L280 TraceCheckUtils]: 48: Hoare triple {4312#true} assume !(0 != ~tmp~4); {4312#true} is VALID [2020-07-09 00:20:19,348 INFO L280 TraceCheckUtils]: 49: Hoare triple {4312#true} assume -2147483648 <= #t~nondet50 && #t~nondet50 <= 2147483647; {4312#true} is VALID [2020-07-09 00:20:19,349 INFO L280 TraceCheckUtils]: 50: Hoare triple {4312#true} ~tmp___1~0 := #t~nondet50; {4312#true} is VALID [2020-07-09 00:20:19,349 INFO L280 TraceCheckUtils]: 51: Hoare triple {4312#true} havoc #t~nondet50; {4312#true} is VALID [2020-07-09 00:20:19,349 INFO L280 TraceCheckUtils]: 52: Hoare triple {4312#true} assume 0 != ~tmp___1~0; {4312#true} is VALID [2020-07-09 00:20:19,349 INFO L280 TraceCheckUtils]: 53: Hoare triple {4312#true} assume -2147483648 <= #t~nondet48 && #t~nondet48 <= 2147483647; {4312#true} is VALID [2020-07-09 00:20:19,350 INFO L280 TraceCheckUtils]: 54: Hoare triple {4312#true} ~tmp___0~1 := #t~nondet48; {4312#true} is VALID [2020-07-09 00:20:19,350 INFO L280 TraceCheckUtils]: 55: Hoare triple {4312#true} havoc #t~nondet48; {4312#true} is VALID [2020-07-09 00:20:19,350 INFO L280 TraceCheckUtils]: 56: Hoare triple {4312#true} assume 0 == ~tmp___0~1; {4312#true} is VALID [2020-07-09 00:20:19,352 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 [2020-07-09 00:20:19,352 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 [2020-07-09 00:20:19,353 INFO L280 TraceCheckUtils]: 59: Hoare triple {4312#true} ~sock.base, ~sock.offset := #in~sock.base, #in~sock.offset; {4312#true} is VALID [2020-07-09 00:20:19,353 INFO L280 TraceCheckUtils]: 60: Hoare triple {4312#true} ~protocol := #in~protocol; {4312#true} is VALID [2020-07-09 00:20:19,353 INFO L280 TraceCheckUtils]: 61: Hoare triple {4312#true} ~kern := #in~kern; {4312#true} is VALID [2020-07-09 00:20:19,354 INFO L280 TraceCheckUtils]: 62: Hoare triple {4312#true} havoc ~rc~1; {4312#true} is VALID [2020-07-09 00:20:19,354 INFO L280 TraceCheckUtils]: 63: Hoare triple {4312#true} havoc ~tmp~2; {4312#true} is VALID [2020-07-09 00:20:19,354 INFO L280 TraceCheckUtils]: 64: Hoare triple {4312#true} ~rc~1 := -91; {4312#true} is VALID [2020-07-09 00:20:19,354 INFO L280 TraceCheckUtils]: 65: Hoare triple {4312#true} assume !(~protocol < 0); {4312#true} is VALID [2020-07-09 00:20:19,355 INFO L280 TraceCheckUtils]: 66: Hoare triple {4312#true} assume !(~protocol > 3); {4312#true} is VALID [2020-07-09 00:20:19,355 INFO L280 TraceCheckUtils]: 67: Hoare triple {4312#true} ~rc~1 := -93; {4312#true} is VALID [2020-07-09 00:20:19,355 INFO L280 TraceCheckUtils]: 68: Hoare triple {4312#true} SUMMARY for call #t~mem30.base, #t~mem30.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8); srcloc: L4874 {4312#true} is VALID [2020-07-09 00:20:19,355 INFO L280 TraceCheckUtils]: 69: Hoare triple {4312#true} assume !(0 == (#t~mem30.base + #t~mem30.offset) % 18446744073709551616); {4312#true} is VALID [2020-07-09 00:20:19,356 INFO L280 TraceCheckUtils]: 70: Hoare triple {4312#true} havoc #t~mem30.base, #t~mem30.offset; {4312#true} is VALID [2020-07-09 00:20:19,356 INFO L280 TraceCheckUtils]: 71: Hoare triple {4312#true} SUMMARY for call #t~mem33.base, #t~mem33.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8); srcloc: L4874-5 {4312#true} is VALID [2020-07-09 00:20:19,356 INFO L280 TraceCheckUtils]: 72: Hoare triple {4312#true} assume !(0 == (#t~mem33.base + #t~mem33.offset) % 18446744073709551616); {4312#true} is VALID [2020-07-09 00:20:19,356 INFO L280 TraceCheckUtils]: 73: Hoare triple {4312#true} havoc #t~mem33.base, #t~mem33.offset; {4312#true} is VALID [2020-07-09 00:20:19,357 INFO L280 TraceCheckUtils]: 74: Hoare triple {4312#true} SUMMARY for call #t~mem34.base, #t~mem34.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8); srcloc: L4884 {4312#true} is VALID [2020-07-09 00:20:19,357 INFO L280 TraceCheckUtils]: 75: Hoare triple {4312#true} SUMMARY for call #t~mem35.base, #t~mem35.offset := read~$Pointer$(#t~mem34.base, 16 + #t~mem34.offset, 8); srcloc: L4884-1 {4312#true} is VALID [2020-07-09 00:20:19,358 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 [2020-07-09 00:20:19,358 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 [2020-07-09 00:20:19,359 INFO L280 TraceCheckUtils]: 78: Hoare triple {4312#true} havoc ~tmp~5; {4312#true} is VALID [2020-07-09 00:20:19,360 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 [2020-07-09 00:20:19,360 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 [2020-07-09 00:20:19,361 INFO L280 TraceCheckUtils]: 81: Hoare triple {4312#true} havoc ~module_get_succeeded~0; {4312#true} is VALID [2020-07-09 00:20:19,361 INFO L280 TraceCheckUtils]: 82: Hoare triple {4312#true} assume 0 != (~module.base + ~module.offset) % 18446744073709551616; {4312#true} is VALID [2020-07-09 00:20:19,361 INFO L263 TraceCheckUtils]: 83: Hoare triple {4312#true} call #t~ret51 := ldv_undefined_int(); {4312#true} is VALID [2020-07-09 00:20:19,361 INFO L280 TraceCheckUtils]: 84: Hoare triple {4312#true} assume -2147483648 <= #t~nondet54 && #t~nondet54 <= 2147483647; {4312#true} is VALID [2020-07-09 00:20:19,362 INFO L280 TraceCheckUtils]: 85: Hoare triple {4312#true} #res := #t~nondet54; {4312#true} is VALID [2020-07-09 00:20:19,362 INFO L280 TraceCheckUtils]: 86: Hoare triple {4312#true} havoc #t~nondet54; {4312#true} is VALID [2020-07-09 00:20:19,362 INFO L280 TraceCheckUtils]: 87: Hoare triple {4312#true} assume true; {4312#true} is VALID [2020-07-09 00:20:19,362 INFO L275 TraceCheckUtils]: 88: Hoare quadruple {4312#true} {4312#true} #439#return; {4312#true} is VALID [2020-07-09 00:20:19,363 INFO L280 TraceCheckUtils]: 89: Hoare triple {4312#true} assume -2147483648 <= #t~ret51 && #t~ret51 <= 2147483647; {4312#true} is VALID [2020-07-09 00:20:19,363 INFO L280 TraceCheckUtils]: 90: Hoare triple {4312#true} ~module_get_succeeded~0 := #t~ret51; {4312#true} is VALID [2020-07-09 00:20:19,363 INFO L280 TraceCheckUtils]: 91: Hoare triple {4312#true} havoc #t~ret51; {4312#true} is VALID [2020-07-09 00:20:19,363 INFO L280 TraceCheckUtils]: 92: Hoare triple {4312#true} assume 1 == ~module_get_succeeded~0; {4312#true} is VALID [2020-07-09 00:20:19,364 INFO L280 TraceCheckUtils]: 93: Hoare triple {4312#true} ~ldv_module_refcounter~0 := 1 + ~ldv_module_refcounter~0; {4312#true} is VALID [2020-07-09 00:20:19,365 INFO L280 TraceCheckUtils]: 94: Hoare triple {4312#true} #res := 1; {4468#(<= 1 |ldv_try_module_get_#res|)} is VALID [2020-07-09 00:20:19,365 INFO L280 TraceCheckUtils]: 95: Hoare triple {4468#(<= 1 |ldv_try_module_get_#res|)} assume true; {4468#(<= 1 |ldv_try_module_get_#res|)} is VALID [2020-07-09 00:20:19,367 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 [2020-07-09 00:20:19,368 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 [2020-07-09 00:20:19,368 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 [2020-07-09 00:20:19,369 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 [2020-07-09 00:20:19,370 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 [2020-07-09 00:20:19,370 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 [2020-07-09 00:20:19,372 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 [2020-07-09 00:20:19,373 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 [2020-07-09 00:20:19,374 INFO L280 TraceCheckUtils]: 104: Hoare triple {4441#(<= 1 |pppox_create_#t~ret36|)} ~tmp~2 := #t~ret36; {4442#(<= 1 pppox_create_~tmp~2)} is VALID [2020-07-09 00:20:19,374 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 [2020-07-09 00:20:19,375 INFO L280 TraceCheckUtils]: 106: Hoare triple {4442#(<= 1 pppox_create_~tmp~2)} havoc #t~mem35.base, #t~mem35.offset; {4442#(<= 1 pppox_create_~tmp~2)} is VALID [2020-07-09 00:20:19,375 INFO L280 TraceCheckUtils]: 107: Hoare triple {4442#(<= 1 pppox_create_~tmp~2)} havoc #t~ret36; {4442#(<= 1 pppox_create_~tmp~2)} is VALID [2020-07-09 00:20:19,376 INFO L280 TraceCheckUtils]: 108: Hoare triple {4442#(<= 1 pppox_create_~tmp~2)} assume 0 == ~tmp~2; {4313#false} is VALID [2020-07-09 00:20:19,376 INFO L280 TraceCheckUtils]: 109: Hoare triple {4313#false} #res := ~rc~1; {4313#false} is VALID [2020-07-09 00:20:19,377 INFO L280 TraceCheckUtils]: 110: Hoare triple {4313#false} assume true; {4313#false} is VALID [2020-07-09 00:20:19,377 INFO L275 TraceCheckUtils]: 111: Hoare quadruple {4313#false} {4312#true} #433#return; {4313#false} is VALID [2020-07-09 00:20:19,377 INFO L280 TraceCheckUtils]: 112: Hoare triple {4313#false} assume -2147483648 <= #t~ret49 && #t~ret49 <= 2147483647; {4313#false} is VALID [2020-07-09 00:20:19,378 INFO L280 TraceCheckUtils]: 113: Hoare triple {4313#false} havoc #t~ret49; {4313#false} is VALID [2020-07-09 00:20:19,378 INFO L280 TraceCheckUtils]: 114: Hoare triple {4313#false} assume -2147483648 <= #t~nondet50 && #t~nondet50 <= 2147483647; {4313#false} is VALID [2020-07-09 00:20:19,378 INFO L280 TraceCheckUtils]: 115: Hoare triple {4313#false} ~tmp___1~0 := #t~nondet50; {4313#false} is VALID [2020-07-09 00:20:19,378 INFO L280 TraceCheckUtils]: 116: Hoare triple {4313#false} havoc #t~nondet50; {4313#false} is VALID [2020-07-09 00:20:19,379 INFO L280 TraceCheckUtils]: 117: Hoare triple {4313#false} assume !(0 != ~tmp___1~0); {4313#false} is VALID [2020-07-09 00:20:19,379 INFO L263 TraceCheckUtils]: 118: Hoare triple {4313#false} call pppox_exit(); {4312#true} is VALID [2020-07-09 00:20:19,379 INFO L263 TraceCheckUtils]: 119: Hoare triple {4312#true} call sock_unregister(24); {4312#true} is VALID [2020-07-09 00:20:19,380 INFO L280 TraceCheckUtils]: 120: Hoare triple {4312#true} ~arg0 := #in~arg0; {4312#true} is VALID [2020-07-09 00:20:19,380 INFO L280 TraceCheckUtils]: 121: Hoare triple {4312#true} assume true; {4312#true} is VALID [2020-07-09 00:20:19,380 INFO L275 TraceCheckUtils]: 122: Hoare quadruple {4312#true} {4312#true} #449#return; {4312#true} is VALID [2020-07-09 00:20:19,380 INFO L280 TraceCheckUtils]: 123: Hoare triple {4312#true} assume true; {4312#true} is VALID [2020-07-09 00:20:19,381 INFO L275 TraceCheckUtils]: 124: Hoare quadruple {4312#true} {4313#false} #435#return; {4313#false} is VALID [2020-07-09 00:20:19,414 INFO L263 TraceCheckUtils]: 125: Hoare triple {4313#false} call ldv_check_final_state(); {4313#false} is VALID [2020-07-09 00:20:19,415 INFO L280 TraceCheckUtils]: 126: Hoare triple {4313#false} assume 1 != ~ldv_module_refcounter~0; {4313#false} is VALID [2020-07-09 00:20:19,416 INFO L263 TraceCheckUtils]: 127: Hoare triple {4313#false} call ldv_blast_assert(); {4313#false} is VALID [2020-07-09 00:20:19,416 INFO L280 TraceCheckUtils]: 128: Hoare triple {4313#false} assume !false; {4313#false} is VALID [2020-07-09 00:20:19,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-09 00:20:19,431 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1916173755] [2020-07-09 00:20:19,431 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-09 00:20:19,431 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-09 00:20:19,431 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985181140] [2020-07-09 00:20:19,432 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 129 [2020-07-09 00:20:19,432 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-09 00:20:19,433 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2020-07-09 00:20:19,567 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 129 edges. 129 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-09 00:20:19,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-09 00:20:19,568 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-09 00:20:19,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-09 00:20:19,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-07-09 00:20:19,569 INFO L87 Difference]: Start difference. First operand 244 states and 264 transitions. Second operand 10 states. [2020-07-09 00:20:23,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-09 00:20:23,845 INFO L93 Difference]: Finished difference Result 375 states and 407 transitions. [2020-07-09 00:20:23,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-09 00:20:23,846 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 129 [2020-07-09 00:20:23,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-09 00:20:23,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-09 00:20:23,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 326 transitions. [2020-07-09 00:20:23,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-07-09 00:20:23,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 326 transitions. [2020-07-09 00:20:23,859 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 326 transitions. [2020-07-09 00:20:24,324 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 326 edges. 326 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-09 00:20:24,331 INFO L225 Difference]: With dead ends: 375 [2020-07-09 00:20:24,331 INFO L226 Difference]: Without dead ends: 248 [2020-07-09 00:20:24,332 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 [2020-07-09 00:20:24,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-07-09 00:20:25,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 244. [2020-07-09 00:20:25,383 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-09 00:20:25,383 INFO L82 GeneralOperation]: Start isEquivalent. First operand 248 states. Second operand 244 states. [2020-07-09 00:20:25,384 INFO L74 IsIncluded]: Start isIncluded. First operand 248 states. Second operand 244 states. [2020-07-09 00:20:25,384 INFO L87 Difference]: Start difference. First operand 248 states. Second operand 244 states. [2020-07-09 00:20:25,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-09 00:20:25,394 INFO L93 Difference]: Finished difference Result 248 states and 267 transitions. [2020-07-09 00:20:25,394 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 267 transitions. [2020-07-09 00:20:25,395 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-09 00:20:25,395 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-09 00:20:25,395 INFO L74 IsIncluded]: Start isIncluded. First operand 244 states. Second operand 248 states. [2020-07-09 00:20:25,395 INFO L87 Difference]: Start difference. First operand 244 states. Second operand 248 states. [2020-07-09 00:20:25,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-09 00:20:25,406 INFO L93 Difference]: Finished difference Result 248 states and 267 transitions. [2020-07-09 00:20:25,406 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 267 transitions. [2020-07-09 00:20:25,407 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-09 00:20:25,407 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-09 00:20:25,407 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-09 00:20:25,407 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-09 00:20:25,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-07-09 00:20:25,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 263 transitions. [2020-07-09 00:20:25,417 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 263 transitions. Word has length 129 [2020-07-09 00:20:25,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-09 00:20:25,418 INFO L479 AbstractCegarLoop]: Abstraction has 244 states and 263 transitions. [2020-07-09 00:20:25,418 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-09 00:20:25,418 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 244 states and 263 transitions. [2020-07-09 00:20:25,950 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 263 edges. 263 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-09 00:20:25,950 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 263 transitions. [2020-07-09 00:20:25,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-07-09 00:20:25,953 INFO L414 BasicCegarLoop]: Found error trace [2020-07-09 00:20:25,953 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] [2020-07-09 00:20:25,953 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-09 00:20:25,953 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-09 00:20:25,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-09 00:20:25,954 INFO L82 PathProgramCache]: Analyzing trace with hash -268445373, now seen corresponding path program 1 times [2020-07-09 00:20:25,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-09 00:20:25,954 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [981831132] [2020-07-09 00:20:25,955 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-09 00:20:25,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-09 00:20:26,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-09 00:20:26,223 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 [2020-07-09 00:20:26,223 INFO L280 TraceCheckUtils]: 1: Hoare triple {6214#true} #valid := #valid[0 := 0]; {6214#true} is VALID [2020-07-09 00:20:26,223 INFO L280 TraceCheckUtils]: 2: Hoare triple {6214#true} assume 0 < #StackHeapBarrier; {6214#true} is VALID [2020-07-09 00:20:26,224 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 [2020-07-09 00:20:26,224 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 [2020-07-09 00:20:26,224 INFO L280 TraceCheckUtils]: 5: Hoare triple {6214#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, ~#pppox_protos~0.offset, 8); srcloc: L4728 {6214#true} is VALID [2020-07-09 00:20:26,224 INFO L280 TraceCheckUtils]: 6: Hoare triple {6214#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 8 + ~#pppox_protos~0.offset, 8); srcloc: L4728-1 {6214#true} is VALID [2020-07-09 00:20:26,225 INFO L280 TraceCheckUtils]: 7: Hoare triple {6214#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 16 + ~#pppox_protos~0.offset, 8); srcloc: L4728-2 {6214#true} is VALID [2020-07-09 00:20:26,225 INFO L280 TraceCheckUtils]: 8: Hoare triple {6214#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 24 + ~#pppox_protos~0.offset, 8); srcloc: L4728-3 {6214#true} is VALID [2020-07-09 00:20:26,225 INFO L280 TraceCheckUtils]: 9: Hoare triple {6214#true} SUMMARY for call ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset := #Ultimate.allocOnStack(20); srcloc: L4728-4 {6214#true} is VALID [2020-07-09 00:20:26,225 INFO L280 TraceCheckUtils]: 10: Hoare triple {6214#true} SUMMARY for call write~init~int(24, ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset, 4); srcloc: L4899 {6214#true} is VALID [2020-07-09 00:20:26,225 INFO L280 TraceCheckUtils]: 11: Hoare triple {6214#true} SUMMARY for call write~init~$Pointer$(#funAddr~pppox_create.base, #funAddr~pppox_create.offset, ~#pppox_proto_family~0.base, 4 + ~#pppox_proto_family~0.offset, 8); srcloc: L4899-1 {6214#true} is VALID [2020-07-09 00:20:26,225 INFO L280 TraceCheckUtils]: 12: Hoare triple {6214#true} SUMMARY for call write~init~$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 [2020-07-09 00:20:26,226 INFO L280 TraceCheckUtils]: 13: Hoare triple {6214#true} ~LDV_IN_INTERRUPT~0 := 0; {6214#true} is VALID [2020-07-09 00:20:26,226 INFO L280 TraceCheckUtils]: 14: Hoare triple {6214#true} ~ldv_module_refcounter~0 := 1; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,227 INFO L280 TraceCheckUtils]: 15: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} assume true; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,227 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {6233#(= 1 ~ldv_module_refcounter~0)} {6214#true} #461#return; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-09 00:20:26,235 INFO L280 TraceCheckUtils]: 0: Hoare triple {6214#true} assume true; {6214#true} is VALID [2020-07-09 00:20:26,236 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {6214#true} {6233#(= 1 ~ldv_module_refcounter~0)} #429#return; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-09 00:20:26,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-09 00:20:26,255 INFO L280 TraceCheckUtils]: 0: Hoare triple {6214#true} ~arg0.base, ~arg0.offset := #in~arg0.base, #in~arg0.offset; {6214#true} is VALID [2020-07-09 00:20:26,256 INFO L280 TraceCheckUtils]: 1: Hoare triple {6214#true} assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647; {6214#true} is VALID [2020-07-09 00:20:26,256 INFO L280 TraceCheckUtils]: 2: Hoare triple {6214#true} #res := #t~nondet56; {6214#true} is VALID [2020-07-09 00:20:26,256 INFO L280 TraceCheckUtils]: 3: Hoare triple {6214#true} havoc #t~nondet56; {6214#true} is VALID [2020-07-09 00:20:26,256 INFO L280 TraceCheckUtils]: 4: Hoare triple {6214#true} assume true; {6214#true} is VALID [2020-07-09 00:20:26,256 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {6214#true} {6214#true} #455#return; {6214#true} is VALID [2020-07-09 00:20:26,257 INFO L280 TraceCheckUtils]: 0: Hoare triple {6214#true} havoc ~tmp~3; {6214#true} is VALID [2020-07-09 00:20:26,257 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 [2020-07-09 00:20:26,257 INFO L280 TraceCheckUtils]: 2: Hoare triple {6214#true} ~arg0.base, ~arg0.offset := #in~arg0.base, #in~arg0.offset; {6214#true} is VALID [2020-07-09 00:20:26,257 INFO L280 TraceCheckUtils]: 3: Hoare triple {6214#true} assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647; {6214#true} is VALID [2020-07-09 00:20:26,258 INFO L280 TraceCheckUtils]: 4: Hoare triple {6214#true} #res := #t~nondet56; {6214#true} is VALID [2020-07-09 00:20:26,258 INFO L280 TraceCheckUtils]: 5: Hoare triple {6214#true} havoc #t~nondet56; {6214#true} is VALID [2020-07-09 00:20:26,258 INFO L280 TraceCheckUtils]: 6: Hoare triple {6214#true} assume true; {6214#true} is VALID [2020-07-09 00:20:26,258 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {6214#true} {6214#true} #455#return; {6214#true} is VALID [2020-07-09 00:20:26,259 INFO L280 TraceCheckUtils]: 8: Hoare triple {6214#true} assume -2147483648 <= #t~ret46 && #t~ret46 <= 2147483647; {6214#true} is VALID [2020-07-09 00:20:26,259 INFO L280 TraceCheckUtils]: 9: Hoare triple {6214#true} ~tmp~3 := #t~ret46; {6214#true} is VALID [2020-07-09 00:20:26,259 INFO L280 TraceCheckUtils]: 10: Hoare triple {6214#true} havoc #t~ret46; {6214#true} is VALID [2020-07-09 00:20:26,259 INFO L280 TraceCheckUtils]: 11: Hoare triple {6214#true} #res := ~tmp~3; {6214#true} is VALID [2020-07-09 00:20:26,260 INFO L280 TraceCheckUtils]: 12: Hoare triple {6214#true} assume true; {6214#true} is VALID [2020-07-09 00:20:26,260 INFO L275 TraceCheckUtils]: 13: Hoare quadruple {6214#true} {6233#(= 1 ~ldv_module_refcounter~0)} #431#return; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-09 00:20:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-09 00:20:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-09 00:20:26,353 INFO L280 TraceCheckUtils]: 0: Hoare triple {6214#true} assume -2147483648 <= #t~nondet54 && #t~nondet54 <= 2147483647; {6214#true} is VALID [2020-07-09 00:20:26,354 INFO L280 TraceCheckUtils]: 1: Hoare triple {6214#true} #res := #t~nondet54; {6214#true} is VALID [2020-07-09 00:20:26,354 INFO L280 TraceCheckUtils]: 2: Hoare triple {6214#true} havoc #t~nondet54; {6214#true} is VALID [2020-07-09 00:20:26,354 INFO L280 TraceCheckUtils]: 3: Hoare triple {6214#true} assume true; {6214#true} is VALID [2020-07-09 00:20:26,355 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 [2020-07-09 00:20:26,356 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 [2020-07-09 00:20:26,356 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 [2020-07-09 00:20:26,357 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 [2020-07-09 00:20:26,357 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 [2020-07-09 00:20:26,358 INFO L280 TraceCheckUtils]: 4: Hoare triple {6214#true} assume -2147483648 <= #t~nondet54 && #t~nondet54 <= 2147483647; {6214#true} is VALID [2020-07-09 00:20:26,358 INFO L280 TraceCheckUtils]: 5: Hoare triple {6214#true} #res := #t~nondet54; {6214#true} is VALID [2020-07-09 00:20:26,358 INFO L280 TraceCheckUtils]: 6: Hoare triple {6214#true} havoc #t~nondet54; {6214#true} is VALID [2020-07-09 00:20:26,359 INFO L280 TraceCheckUtils]: 7: Hoare triple {6214#true} assume true; {6214#true} is VALID [2020-07-09 00:20:26,359 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 [2020-07-09 00:20:26,360 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 [2020-07-09 00:20:26,361 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 [2020-07-09 00:20:26,361 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 [2020-07-09 00:20:26,362 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 [2020-07-09 00:20:26,363 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 [2020-07-09 00:20:26,363 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 [2020-07-09 00:20:26,364 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 [2020-07-09 00:20:26,365 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 [2020-07-09 00:20:26,366 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 [2020-07-09 00:20:26,367 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 [2020-07-09 00:20:26,368 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 [2020-07-09 00:20:26,368 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 [2020-07-09 00:20:26,369 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 [2020-07-09 00:20:26,369 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 [2020-07-09 00:20:26,369 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 [2020-07-09 00:20:26,370 INFO L280 TraceCheckUtils]: 7: Hoare triple {6214#true} assume -2147483648 <= #t~nondet54 && #t~nondet54 <= 2147483647; {6214#true} is VALID [2020-07-09 00:20:26,370 INFO L280 TraceCheckUtils]: 8: Hoare triple {6214#true} #res := #t~nondet54; {6214#true} is VALID [2020-07-09 00:20:26,370 INFO L280 TraceCheckUtils]: 9: Hoare triple {6214#true} havoc #t~nondet54; {6214#true} is VALID [2020-07-09 00:20:26,370 INFO L280 TraceCheckUtils]: 10: Hoare triple {6214#true} assume true; {6214#true} is VALID [2020-07-09 00:20:26,371 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 [2020-07-09 00:20:26,371 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 [2020-07-09 00:20:26,372 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 [2020-07-09 00:20:26,373 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 [2020-07-09 00:20:26,373 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 [2020-07-09 00:20:26,374 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 [2020-07-09 00:20:26,375 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 [2020-07-09 00:20:26,375 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 [2020-07-09 00:20:26,377 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 [2020-07-09 00:20:26,377 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 [2020-07-09 00:20:26,378 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 [2020-07-09 00:20:26,379 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 [2020-07-09 00:20:26,379 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 [2020-07-09 00:20:26,381 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 [2020-07-09 00:20:26,383 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 [2020-07-09 00:20:26,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-09 00:20:26,396 INFO L280 TraceCheckUtils]: 0: Hoare triple {6214#true} #~39.base, #~39.offset := #in~39.base, #in~39.offset; {6214#true} is VALID [2020-07-09 00:20:26,396 INFO L280 TraceCheckUtils]: 1: Hoare triple {6214#true} #~40.base, #~40.offset := #in~40.base, #in~40.offset; {6214#true} is VALID [2020-07-09 00:20:26,396 INFO L280 TraceCheckUtils]: 2: Hoare triple {6214#true} assume true; {6214#true} is VALID [2020-07-09 00:20:26,398 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {6214#true} {6276#(<= 2 ~ldv_module_refcounter~0)} #443#return; {6276#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,399 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 [2020-07-09 00:20:26,399 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 [2020-07-09 00:20:26,400 INFO L280 TraceCheckUtils]: 2: Hoare triple {6214#true} #valid := #valid[0 := 0]; {6214#true} is VALID [2020-07-09 00:20:26,400 INFO L280 TraceCheckUtils]: 3: Hoare triple {6214#true} assume 0 < #StackHeapBarrier; {6214#true} is VALID [2020-07-09 00:20:26,400 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 [2020-07-09 00:20:26,400 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 [2020-07-09 00:20:26,400 INFO L280 TraceCheckUtils]: 6: Hoare triple {6214#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, ~#pppox_protos~0.offset, 8); srcloc: L4728 {6214#true} is VALID [2020-07-09 00:20:26,401 INFO L280 TraceCheckUtils]: 7: Hoare triple {6214#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 8 + ~#pppox_protos~0.offset, 8); srcloc: L4728-1 {6214#true} is VALID [2020-07-09 00:20:26,401 INFO L280 TraceCheckUtils]: 8: Hoare triple {6214#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 16 + ~#pppox_protos~0.offset, 8); srcloc: L4728-2 {6214#true} is VALID [2020-07-09 00:20:26,401 INFO L280 TraceCheckUtils]: 9: Hoare triple {6214#true} SUMMARY for call write~init~$Pointer$(0, 0, ~#pppox_protos~0.base, 24 + ~#pppox_protos~0.offset, 8); srcloc: L4728-3 {6214#true} is VALID [2020-07-09 00:20:26,406 INFO L280 TraceCheckUtils]: 10: Hoare triple {6214#true} SUMMARY for call ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset := #Ultimate.allocOnStack(20); srcloc: L4728-4 {6214#true} is VALID [2020-07-09 00:20:26,407 INFO L280 TraceCheckUtils]: 11: Hoare triple {6214#true} SUMMARY for call write~init~int(24, ~#pppox_proto_family~0.base, ~#pppox_proto_family~0.offset, 4); srcloc: L4899 {6214#true} is VALID [2020-07-09 00:20:26,407 INFO L280 TraceCheckUtils]: 12: Hoare triple {6214#true} SUMMARY for call write~init~$Pointer$(#funAddr~pppox_create.base, #funAddr~pppox_create.offset, ~#pppox_proto_family~0.base, 4 + ~#pppox_proto_family~0.offset, 8); srcloc: L4899-1 {6214#true} is VALID [2020-07-09 00:20:26,407 INFO L280 TraceCheckUtils]: 13: Hoare triple {6214#true} SUMMARY for call write~init~$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 [2020-07-09 00:20:26,407 INFO L280 TraceCheckUtils]: 14: Hoare triple {6214#true} ~LDV_IN_INTERRUPT~0 := 0; {6214#true} is VALID [2020-07-09 00:20:26,417 INFO L280 TraceCheckUtils]: 15: Hoare triple {6214#true} ~ldv_module_refcounter~0 := 1; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,437 INFO L280 TraceCheckUtils]: 16: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} assume true; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,440 INFO L275 TraceCheckUtils]: 17: Hoare quadruple {6233#(= 1 ~ldv_module_refcounter~0)} {6214#true} #461#return; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,441 INFO L263 TraceCheckUtils]: 18: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} call #t~ret58 := main(); {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,450 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 [2020-07-09 00:20:26,451 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 [2020-07-09 00:20:26,451 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 [2020-07-09 00:20:26,452 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 [2020-07-09 00:20:26,452 INFO L280 TraceCheckUtils]: 23: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} havoc ~tmp~4; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,453 INFO L280 TraceCheckUtils]: 24: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} havoc ~tmp___0~1; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,454 INFO L280 TraceCheckUtils]: 25: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} havoc ~tmp___1~0; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,454 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 [2020-07-09 00:20:26,454 INFO L263 TraceCheckUtils]: 27: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} call ldv_initialize(); {6214#true} is VALID [2020-07-09 00:20:26,455 INFO L280 TraceCheckUtils]: 28: Hoare triple {6214#true} assume true; {6214#true} is VALID [2020-07-09 00:20:26,455 INFO L275 TraceCheckUtils]: 29: Hoare quadruple {6214#true} {6233#(= 1 ~ldv_module_refcounter~0)} #429#return; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,455 INFO L263 TraceCheckUtils]: 30: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} call #t~ret47 := pppox_init(); {6214#true} is VALID [2020-07-09 00:20:26,456 INFO L280 TraceCheckUtils]: 31: Hoare triple {6214#true} havoc ~tmp~3; {6214#true} is VALID [2020-07-09 00:20:26,456 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 [2020-07-09 00:20:26,456 INFO L280 TraceCheckUtils]: 33: Hoare triple {6214#true} ~arg0.base, ~arg0.offset := #in~arg0.base, #in~arg0.offset; {6214#true} is VALID [2020-07-09 00:20:26,456 INFO L280 TraceCheckUtils]: 34: Hoare triple {6214#true} assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647; {6214#true} is VALID [2020-07-09 00:20:26,456 INFO L280 TraceCheckUtils]: 35: Hoare triple {6214#true} #res := #t~nondet56; {6214#true} is VALID [2020-07-09 00:20:26,457 INFO L280 TraceCheckUtils]: 36: Hoare triple {6214#true} havoc #t~nondet56; {6214#true} is VALID [2020-07-09 00:20:26,457 INFO L280 TraceCheckUtils]: 37: Hoare triple {6214#true} assume true; {6214#true} is VALID [2020-07-09 00:20:26,457 INFO L275 TraceCheckUtils]: 38: Hoare quadruple {6214#true} {6214#true} #455#return; {6214#true} is VALID [2020-07-09 00:20:26,457 INFO L280 TraceCheckUtils]: 39: Hoare triple {6214#true} assume -2147483648 <= #t~ret46 && #t~ret46 <= 2147483647; {6214#true} is VALID [2020-07-09 00:20:26,457 INFO L280 TraceCheckUtils]: 40: Hoare triple {6214#true} ~tmp~3 := #t~ret46; {6214#true} is VALID [2020-07-09 00:20:26,458 INFO L280 TraceCheckUtils]: 41: Hoare triple {6214#true} havoc #t~ret46; {6214#true} is VALID [2020-07-09 00:20:26,458 INFO L280 TraceCheckUtils]: 42: Hoare triple {6214#true} #res := ~tmp~3; {6214#true} is VALID [2020-07-09 00:20:26,458 INFO L280 TraceCheckUtils]: 43: Hoare triple {6214#true} assume true; {6214#true} is VALID [2020-07-09 00:20:26,459 INFO L275 TraceCheckUtils]: 44: Hoare quadruple {6214#true} {6233#(= 1 ~ldv_module_refcounter~0)} #431#return; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,459 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 [2020-07-09 00:20:26,460 INFO L280 TraceCheckUtils]: 46: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} ~tmp~4 := #t~ret47; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,461 INFO L280 TraceCheckUtils]: 47: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} havoc #t~ret47; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,461 INFO L280 TraceCheckUtils]: 48: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} assume !(0 != ~tmp~4); {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,462 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 [2020-07-09 00:20:26,463 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 [2020-07-09 00:20:26,464 INFO L280 TraceCheckUtils]: 51: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} havoc #t~nondet50; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,465 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 [2020-07-09 00:20:26,465 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 [2020-07-09 00:20:26,466 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 [2020-07-09 00:20:26,467 INFO L280 TraceCheckUtils]: 55: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} havoc #t~nondet48; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,468 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 [2020-07-09 00:20:26,470 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 [2020-07-09 00:20:26,471 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 [2020-07-09 00:20:26,472 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 [2020-07-09 00:20:26,472 INFO L280 TraceCheckUtils]: 60: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} ~protocol := #in~protocol; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,473 INFO L280 TraceCheckUtils]: 61: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} ~kern := #in~kern; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,474 INFO L280 TraceCheckUtils]: 62: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} havoc ~rc~1; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,475 INFO L280 TraceCheckUtils]: 63: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} havoc ~tmp~2; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,475 INFO L280 TraceCheckUtils]: 64: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} ~rc~1 := -91; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,476 INFO L280 TraceCheckUtils]: 65: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} assume !(~protocol < 0); {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,477 INFO L280 TraceCheckUtils]: 66: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} assume !(~protocol > 3); {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,478 INFO L280 TraceCheckUtils]: 67: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} ~rc~1 := -93; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,478 INFO L280 TraceCheckUtils]: 68: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} SUMMARY for call #t~mem30.base, #t~mem30.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8); srcloc: L4874 {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,479 INFO L280 TraceCheckUtils]: 69: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} assume !(0 == (#t~mem30.base + #t~mem30.offset) % 18446744073709551616); {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,480 INFO L280 TraceCheckUtils]: 70: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} havoc #t~mem30.base, #t~mem30.offset; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,481 INFO L280 TraceCheckUtils]: 71: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} SUMMARY for call #t~mem33.base, #t~mem33.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8); srcloc: L4874-5 {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,481 INFO L280 TraceCheckUtils]: 72: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} assume !(0 == (#t~mem33.base + #t~mem33.offset) % 18446744073709551616); {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,482 INFO L280 TraceCheckUtils]: 73: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} havoc #t~mem33.base, #t~mem33.offset; {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,483 INFO L280 TraceCheckUtils]: 74: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} SUMMARY for call #t~mem34.base, #t~mem34.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8); srcloc: L4884 {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,484 INFO L280 TraceCheckUtils]: 75: Hoare triple {6233#(= 1 ~ldv_module_refcounter~0)} SUMMARY for call #t~mem35.base, #t~mem35.offset := read~$Pointer$(#t~mem34.base, 16 + #t~mem34.offset, 8); srcloc: L4884-1 {6233#(= 1 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,486 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 [2020-07-09 00:20:26,487 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 [2020-07-09 00:20:26,488 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 [2020-07-09 00:20:26,489 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 [2020-07-09 00:20:26,491 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 [2020-07-09 00:20:26,491 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 [2020-07-09 00:20:26,492 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 [2020-07-09 00:20:26,492 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 [2020-07-09 00:20:26,492 INFO L280 TraceCheckUtils]: 84: Hoare triple {6214#true} assume -2147483648 <= #t~nondet54 && #t~nondet54 <= 2147483647; {6214#true} is VALID [2020-07-09 00:20:26,492 INFO L280 TraceCheckUtils]: 85: Hoare triple {6214#true} #res := #t~nondet54; {6214#true} is VALID [2020-07-09 00:20:26,492 INFO L280 TraceCheckUtils]: 86: Hoare triple {6214#true} havoc #t~nondet54; {6214#true} is VALID [2020-07-09 00:20:26,493 INFO L280 TraceCheckUtils]: 87: Hoare triple {6214#true} assume true; {6214#true} is VALID [2020-07-09 00:20:26,493 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 [2020-07-09 00:20:26,494 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 [2020-07-09 00:20:26,495 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 [2020-07-09 00:20:26,496 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 [2020-07-09 00:20:26,496 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 [2020-07-09 00:20:26,498 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 [2020-07-09 00:20:26,498 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 [2020-07-09 00:20:26,499 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 [2020-07-09 00:20:26,501 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 [2020-07-09 00:20:26,502 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 [2020-07-09 00:20:26,503 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 [2020-07-09 00:20:26,504 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 [2020-07-09 00:20:26,505 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 [2020-07-09 00:20:26,506 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 [2020-07-09 00:20:26,508 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 [2020-07-09 00:20:26,508 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 [2020-07-09 00:20:26,509 INFO L280 TraceCheckUtils]: 104: Hoare triple {6276#(<= 2 ~ldv_module_refcounter~0)} ~tmp~2 := #t~ret36; {6276#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,510 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 [2020-07-09 00:20:26,510 INFO L280 TraceCheckUtils]: 106: Hoare triple {6276#(<= 2 ~ldv_module_refcounter~0)} havoc #t~mem35.base, #t~mem35.offset; {6276#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,511 INFO L280 TraceCheckUtils]: 107: Hoare triple {6276#(<= 2 ~ldv_module_refcounter~0)} havoc #t~ret36; {6276#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,512 INFO L280 TraceCheckUtils]: 108: Hoare triple {6276#(<= 2 ~ldv_module_refcounter~0)} assume !(0 == ~tmp~2); {6276#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,513 INFO L280 TraceCheckUtils]: 109: Hoare triple {6276#(<= 2 ~ldv_module_refcounter~0)} SUMMARY for call #t~mem41.base, #t~mem41.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8); srcloc: L4892 {6276#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,513 INFO L280 TraceCheckUtils]: 110: Hoare triple {6276#(<= 2 ~ldv_module_refcounter~0)} SUMMARY for call #t~mem42.base, #t~mem42.offset := read~$Pointer$(#t~mem41.base, #t~mem41.offset, 8); srcloc: L4892-1 {6276#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,513 INFO L263 TraceCheckUtils]: 111: Hoare triple {6276#(<= 2 ~ldv_module_refcounter~0)} call #t~ret43 := ##fun~$Pointer$~X~$Pointer$~TO~int(~net.base, ~net.offset, ~sock.base, ~sock.offset, #t~mem42.base, #t~mem42.offset); {6214#true} is VALID [2020-07-09 00:20:26,514 INFO L280 TraceCheckUtils]: 112: Hoare triple {6214#true} #~39.base, #~39.offset := #in~39.base, #in~39.offset; {6214#true} is VALID [2020-07-09 00:20:26,514 INFO L280 TraceCheckUtils]: 113: Hoare triple {6214#true} #~40.base, #~40.offset := #in~40.base, #in~40.offset; {6214#true} is VALID [2020-07-09 00:20:26,514 INFO L280 TraceCheckUtils]: 114: Hoare triple {6214#true} assume true; {6214#true} is VALID [2020-07-09 00:20:26,516 INFO L275 TraceCheckUtils]: 115: Hoare quadruple {6214#true} {6276#(<= 2 ~ldv_module_refcounter~0)} #443#return; {6276#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,517 INFO L280 TraceCheckUtils]: 116: Hoare triple {6276#(<= 2 ~ldv_module_refcounter~0)} assume -2147483648 <= #t~ret43 && #t~ret43 <= 2147483647; {6276#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,518 INFO L280 TraceCheckUtils]: 117: Hoare triple {6276#(<= 2 ~ldv_module_refcounter~0)} ~rc~1 := #t~ret43; {6276#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,519 INFO L280 TraceCheckUtils]: 118: Hoare triple {6276#(<= 2 ~ldv_module_refcounter~0)} havoc #t~mem41.base, #t~mem41.offset; {6276#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,519 INFO L280 TraceCheckUtils]: 119: Hoare triple {6276#(<= 2 ~ldv_module_refcounter~0)} havoc #t~mem42.base, #t~mem42.offset; {6276#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,520 INFO L280 TraceCheckUtils]: 120: Hoare triple {6276#(<= 2 ~ldv_module_refcounter~0)} havoc #t~ret43; {6276#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,520 INFO L280 TraceCheckUtils]: 121: Hoare triple {6276#(<= 2 ~ldv_module_refcounter~0)} SUMMARY for call #t~mem44.base, #t~mem44.offset := read~$Pointer$(~#pppox_protos~0.base, ~#pppox_protos~0.offset + 8 * ~protocol, 8); srcloc: L4893 {6276#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,521 INFO L280 TraceCheckUtils]: 122: Hoare triple {6276#(<= 2 ~ldv_module_refcounter~0)} SUMMARY for call #t~mem45.base, #t~mem45.offset := read~$Pointer$(#t~mem44.base, 16 + #t~mem44.offset, 8); srcloc: L4893-1 {6276#(<= 2 ~ldv_module_refcounter~0)} is VALID [2020-07-09 00:20:26,522 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 [2020-07-09 00:20:26,522 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 [2020-07-09 00:20:26,523 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 [2020-07-09 00:20:26,524 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 [2020-07-09 00:20:26,524 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 [2020-07-09 00:20:26,525 INFO L280 TraceCheckUtils]: 128: Hoare triple {6276#(<= 2 ~ldv_module_refcounter~0)} assume ~ldv_module_refcounter~0 <= 1; {6215#false} is VALID [2020-07-09 00:20:26,525 INFO L263 TraceCheckUtils]: 129: Hoare triple {6215#false} call ldv_blast_assert(); {6215#false} is VALID [2020-07-09 00:20:26,525 INFO L280 TraceCheckUtils]: 130: Hoare triple {6215#false} assume !false; {6215#false} is VALID [2020-07-09 00:20:26,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-09 00:20:26,548 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [981831132] [2020-07-09 00:20:26,548 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-09 00:20:26,549 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-09 00:20:26,549 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25312341] [2020-07-09 00:20:26,553 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 131 [2020-07-09 00:20:26,554 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-09 00:20:26,555 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-09 00:20:26,726 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 131 edges. 131 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-09 00:20:26,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-09 00:20:26,727 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-09 00:20:26,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-09 00:20:26,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-09 00:20:26,728 INFO L87 Difference]: Start difference. First operand 244 states and 263 transitions. Second operand 7 states. [2020-07-09 00:20:31,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-09 00:20:31,743 INFO L93 Difference]: Finished difference Result 382 states and 413 transitions. [2020-07-09 00:20:31,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-09 00:20:31,743 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 131 [2020-07-09 00:20:31,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-09 00:20:31,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-09 00:20:31,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 413 transitions. [2020-07-09 00:20:31,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-09 00:20:31,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 413 transitions. [2020-07-09 00:20:31,759 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 413 transitions. [2020-07-09 00:20:32,511 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 413 edges. 413 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-09 00:20:32,522 INFO L225 Difference]: With dead ends: 382 [2020-07-09 00:20:32,522 INFO L226 Difference]: Without dead ends: 379 [2020-07-09 00:20:32,523 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 [2020-07-09 00:20:32,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2020-07-09 00:20:34,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 363. [2020-07-09 00:20:34,157 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-09 00:20:34,157 INFO L82 GeneralOperation]: Start isEquivalent. First operand 379 states. Second operand 363 states. [2020-07-09 00:20:34,157 INFO L74 IsIncluded]: Start isIncluded. First operand 379 states. Second operand 363 states. [2020-07-09 00:20:34,157 INFO L87 Difference]: Start difference. First operand 379 states. Second operand 363 states. [2020-07-09 00:20:34,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-09 00:20:34,175 INFO L93 Difference]: Finished difference Result 379 states and 410 transitions. [2020-07-09 00:20:34,175 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 410 transitions. [2020-07-09 00:20:34,176 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-09 00:20:34,177 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-09 00:20:34,177 INFO L74 IsIncluded]: Start isIncluded. First operand 363 states. Second operand 379 states. [2020-07-09 00:20:34,177 INFO L87 Difference]: Start difference. First operand 363 states. Second operand 379 states. [2020-07-09 00:20:34,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-09 00:20:34,193 INFO L93 Difference]: Finished difference Result 379 states and 410 transitions. [2020-07-09 00:20:34,194 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 410 transitions. [2020-07-09 00:20:34,195 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-09 00:20:34,195 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-09 00:20:34,195 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-09 00:20:34,196 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-09 00:20:34,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2020-07-09 00:20:34,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 395 transitions. [2020-07-09 00:20:34,211 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 395 transitions. Word has length 131 [2020-07-09 00:20:34,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-09 00:20:34,211 INFO L479 AbstractCegarLoop]: Abstraction has 363 states and 395 transitions. [2020-07-09 00:20:34,211 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-09 00:20:34,212 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 363 states and 395 transitions. [2020-07-09 00:20:34,947 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 395 edges. 395 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-09 00:20:34,948 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 395 transitions. [2020-07-09 00:20:34,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-07-09 00:20:34,951 INFO L414 BasicCegarLoop]: Found error trace [2020-07-09 00:20:34,951 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] [2020-07-09 00:20:34,953 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-09 00:20:34,954 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-09 00:20:34,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-09 00:20:34,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1178345674, now seen corresponding path program 1 times [2020-07-09 00:20:34,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-09 00:20:34,955 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1361674117] [2020-07-09 00:20:34,955 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-09 00:20:35,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-09 00:20:35,124 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-09 00:20:35,125 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError at de.uni_freiburg.informatik.ultimate.smtinterpol.proof.FixResolutionProof.fix(FixResolutionProof.java:191) at de.uni_freiburg.informatik.ultimate.smtinterpol.proof.ProofTermGenerator.convert(ProofTermGenerator.java:150) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getProof(SMTInterpol.java:799) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:883) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:332) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:332) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:337) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:239) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.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) [2020-07-09 00:20:35,133 INFO L168 Benchmark]: Toolchain (without parser) took 34759.28 ms. Allocated memory was 137.9 MB in the beginning and 650.6 MB in the end (delta: 512.8 MB). Free memory was 95.3 MB in the beginning and 342.1 MB in the end (delta: -246.8 MB). Peak memory consumption was 266.0 MB. Max. memory is 7.1 GB. [2020-07-09 00:20:35,135 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-09 00:20:35,137 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1388.77 ms. Allocated memory was 137.9 MB in the beginning and 207.6 MB in the end (delta: 69.7 MB). Free memory was 95.1 MB in the beginning and 127.6 MB in the end (delta: -32.5 MB). Peak memory consumption was 43.1 MB. Max. memory is 7.1 GB. [2020-07-09 00:20:35,138 INFO L168 Benchmark]: Boogie Preprocessor took 100.36 ms. Allocated memory is still 207.6 MB. Free memory was 127.6 MB in the beginning and 123.2 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-07-09 00:20:35,144 INFO L168 Benchmark]: RCFGBuilder took 1416.49 ms. Allocated memory was 207.6 MB in the beginning and 239.1 MB in the end (delta: 31.5 MB). Free memory was 123.2 MB in the beginning and 119.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 49.2 MB. Max. memory is 7.1 GB. [2020-07-09 00:20:35,145 INFO L168 Benchmark]: TraceAbstraction took 31848.02 ms. Allocated memory was 239.1 MB in the beginning and 650.6 MB in the end (delta: 411.6 MB). Free memory was 117.7 MB in the beginning and 342.1 MB in the end (delta: -224.4 MB). Peak memory consumption was 187.2 MB. Max. memory is 7.1 GB. [2020-07-09 00:20:35,153 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 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1388.77 ms. Allocated memory was 137.9 MB in the beginning and 207.6 MB in the end (delta: 69.7 MB). Free memory was 95.1 MB in the beginning and 127.6 MB in the end (delta: -32.5 MB). Peak memory consumption was 43.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.36 ms. Allocated memory is still 207.6 MB. Free memory was 127.6 MB in the beginning and 123.2 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1416.49 ms. Allocated memory was 207.6 MB in the beginning and 239.1 MB in the end (delta: 31.5 MB). Free memory was 123.2 MB in the beginning and 119.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 49.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 31848.02 ms. Allocated memory was 239.1 MB in the beginning and 650.6 MB in the end (delta: 411.6 MB). Free memory was 117.7 MB in the beginning and 342.1 MB in the end (delta: -224.4 MB). Peak memory consumption was 187.2 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...