/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-net--core--pktgen.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:20:12,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:20:12,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:20:12,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:20:12,855 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:20:12,859 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:20:12,863 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:20:12,886 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:20:12,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:20:12,889 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:20:12,892 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:20:12,896 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:20:12,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:20:12,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:20:12,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:20:12,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:20:12,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:20:12,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:20:12,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:20:12,925 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:20:12,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:20:12,931 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:20:12,933 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:20:12,934 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:20:12,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:20:12,945 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:20:12,946 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:20:12,947 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:20:12,948 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:20:12,950 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:20:12,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:20:12,951 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:20:12,953 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:20:12,954 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:20:12,955 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:20:12,956 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:20:12,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:20:12,957 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:20:12,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:20:12,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:20:12,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:20:12,960 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:20:13,016 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:20:13,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:20:13,017 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:20:13,017 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:20:13,018 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:20:13,019 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:20:13,021 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:20:13,022 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:20:13,022 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:20:13,022 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:20:13,024 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:20:13,024 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:20:13,024 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:20:13,024 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:20:13,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:20:13,025 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:20:13,025 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:20:13,025 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:20:13,025 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:20:13,025 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:20:13,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:20:13,026 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:20:13,026 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:20:13,026 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:20:13,026 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:20:13,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:20:13,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:20:13,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:20:13,027 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:20:13,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:20:13,028 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:20:13,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:20:13,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:20:13,029 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:20:13,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:20:13,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:20:13,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:20:13,466 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:20:13,467 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:20:13,468 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-net--core--pktgen.ko-entry_point.cil.out.i [2022-10-15 21:20:13,543 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe2c927e7/b7068769aac446e0a2a2ace1bfd27f99/FLAGd6b328843 [2022-10-15 21:20:14,800 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:20:14,801 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-net--core--pktgen.ko-entry_point.cil.out.i [2022-10-15 21:20:14,861 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe2c927e7/b7068769aac446e0a2a2ace1bfd27f99/FLAGd6b328843 [2022-10-15 21:20:15,076 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe2c927e7/b7068769aac446e0a2a2ace1bfd27f99 [2022-10-15 21:20:15,079 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:20:15,084 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:20:15,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:20:15,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:20:15,091 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:20:15,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:20:15" (1/1) ... [2022-10-15 21:20:15,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3264c879 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:15, skipping insertion in model container [2022-10-15 21:20:15,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:20:15" (1/1) ... [2022-10-15 21:20:15,102 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:20:15,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:20:16,031 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6621] [2022-10-15 21:20:16,032 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6622-6623] [2022-10-15 21:20:17,214 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-net--core--pktgen.ko-entry_point.cil.out.i[213931,213944] [2022-10-15 21:20:19,228 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-10-15 21:20:19,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:20:19,275 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:20:19,448 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6621] [2022-10-15 21:20:19,448 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6622-6623] [2022-10-15 21:20:19,472 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-net--core--pktgen.ko-entry_point.cil.out.i[213931,213944] [2022-10-15 21:20:20,054 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-10-15 21:20:20,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:20:20,254 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:20:20,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:20 WrapperNode [2022-10-15 21:20:20,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:20:20,257 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:20:20,257 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:20:20,257 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:20:20,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:20" (1/1) ... [2022-10-15 21:20:20,470 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:20" (1/1) ... [2022-10-15 21:20:20,758 INFO L138 Inliner]: procedures = 383, calls = 6912, calls flagged for inlining = 191, calls inlined = 77, statements flattened = 11404 [2022-10-15 21:20:20,758 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:20:20,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:20:20,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:20:20,760 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:20:20,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:20" (1/1) ... [2022-10-15 21:20:20,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:20" (1/1) ... [2022-10-15 21:20:20,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:20" (1/1) ... [2022-10-15 21:20:20,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:20" (1/1) ... [2022-10-15 21:20:21,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:20" (1/1) ... [2022-10-15 21:20:21,137 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:20" (1/1) ... [2022-10-15 21:20:21,170 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:20" (1/1) ... [2022-10-15 21:20:21,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:20" (1/1) ... [2022-10-15 21:20:21,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:20:21,244 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:20:21,244 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:20:21,244 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:20:21,245 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:20" (1/1) ... [2022-10-15 21:20:21,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:20:21,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:20:21,345 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 21:20:21,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 21:20:21,418 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-10-15 21:20:21,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-10-15 21:20:21,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-10-15 21:20:21,419 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-10-15 21:20:21,419 INFO L130 BoogieDeclarations]: Found specification of procedure pktgen_if_write [2022-10-15 21:20:21,419 INFO L138 BoogieDeclarations]: Found implementation of procedure pktgen_if_write [2022-10-15 21:20:21,420 INFO L130 BoogieDeclarations]: Found specification of procedure strn_len [2022-10-15 21:20:21,420 INFO L138 BoogieDeclarations]: Found implementation of procedure strn_len [2022-10-15 21:20:21,420 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-10-15 21:20:21,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-15 21:20:21,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-15 21:20:21,420 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-10-15 21:20:21,421 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-10-15 21:20:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-10-15 21:20:21,421 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-10-15 21:20:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-15 21:20:21,421 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-15 21:20:21,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-10-15 21:20:21,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-10-15 21:20:21,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:20:21,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:20:21,422 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-10-15 21:20:21,422 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-10-15 21:20:21,422 INFO L130 BoogieDeclarations]: Found specification of procedure pktgen_thread_write [2022-10-15 21:20:21,422 INFO L138 BoogieDeclarations]: Found implementation of procedure pktgen_thread_write [2022-10-15 21:20:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-10-15 21:20:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-15 21:20:21,423 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-15 21:20:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:20:21,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:20:21,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-15 21:20:21,424 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-15 21:20:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-15 21:20:21,424 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-15 21:20:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure count_trail_chars [2022-10-15 21:20:21,424 INFO L138 BoogieDeclarations]: Found implementation of procedure count_trail_chars [2022-10-15 21:20:21,424 INFO L130 BoogieDeclarations]: Found specification of procedure dev_net [2022-10-15 21:20:21,425 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_net [2022-10-15 21:20:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:20:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-15 21:20:21,425 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-15 21:20:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2022-10-15 21:20:21,425 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2022-10-15 21:20:21,425 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-10-15 21:20:21,426 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-10-15 21:20:21,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:20:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-10-15 21:20:21,427 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-10-15 21:20:21,427 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2022-10-15 21:20:21,428 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2022-10-15 21:20:21,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-10-15 21:20:21,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-10-15 21:20:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-10-15 21:20:21,429 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-10-15 21:20:21,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:20:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:20:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure PDE_DATA [2022-10-15 21:20:21,433 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE_DATA [2022-10-15 21:20:21,433 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-15 21:20:21,433 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-10-15 21:20:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure __cpu_to_node [2022-10-15 21:20:21,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __cpu_to_node [2022-10-15 21:20:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure hex32_arg [2022-10-15 21:20:21,434 INFO L138 BoogieDeclarations]: Found implementation of procedure hex32_arg [2022-10-15 21:20:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-10-15 21:20:21,434 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-10-15 21:20:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2022-10-15 21:20:21,436 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2022-10-15 21:20:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure num_arg [2022-10-15 21:20:21,436 INFO L138 BoogieDeclarations]: Found implementation of procedure num_arg [2022-10-15 21:20:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-10-15 21:20:21,436 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-10-15 21:20:21,437 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-15 21:20:21,437 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-15 21:20:21,437 INFO L130 BoogieDeclarations]: Found specification of procedure pktgen_thread_open [2022-10-15 21:20:21,437 INFO L138 BoogieDeclarations]: Found implementation of procedure pktgen_thread_open [2022-10-15 21:20:21,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-15 21:20:21,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-15 21:20:21,437 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-15 21:20:21,437 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-15 21:20:21,437 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-10-15 21:20:21,438 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-10-15 21:20:21,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 21:20:21,438 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2022-10-15 21:20:21,438 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2022-10-15 21:20:21,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:20:21,438 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2022-10-15 21:20:21,438 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2022-10-15 21:20:21,438 INFO L130 BoogieDeclarations]: Found specification of procedure pgctrl_write [2022-10-15 21:20:21,440 INFO L138 BoogieDeclarations]: Found implementation of procedure pgctrl_write [2022-10-15 21:20:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_copy [2022-10-15 21:20:21,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_copy [2022-10-15 21:20:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-15 21:20:21,440 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-15 21:20:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-10-15 21:20:21,440 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-10-15 21:20:21,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-15 21:20:21,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-15 21:20:21,441 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2022-10-15 21:20:21,441 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2022-10-15 21:20:21,441 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-10-15 21:20:21,441 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-10-15 21:20:21,441 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:20:21,442 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 21:20:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-10-15 21:20:21,442 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-10-15 21:20:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:20:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-10-15 21:20:21,442 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-10-15 21:20:21,443 INFO L130 BoogieDeclarations]: Found specification of procedure pktgen_clear_counters [2022-10-15 21:20:21,443 INFO L138 BoogieDeclarations]: Found implementation of procedure pktgen_clear_counters [2022-10-15 21:20:21,443 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc_node [2022-10-15 21:20:21,443 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc_node [2022-10-15 21:20:21,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:20:21,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:20:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-10-15 21:20:21,446 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-10-15 21:20:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure in6_pton [2022-10-15 21:20:21,449 INFO L138 BoogieDeclarations]: Found implementation of procedure in6_pton [2022-10-15 21:20:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure proc_create_data [2022-10-15 21:20:21,454 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_create_data [2022-10-15 21:20:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2022-10-15 21:20:21,455 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2022-10-15 21:20:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:20:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2022-10-15 21:20:21,455 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2022-10-15 21:20:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-10-15 21:20:21,456 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-10-15 21:20:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-10-15 21:20:21,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-10-15 21:20:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:20:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:20:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-10-15 21:20:21,456 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-10-15 21:20:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure __pktgen_NN_threads [2022-10-15 21:20:21,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __pktgen_NN_threads [2022-10-15 21:20:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-15 21:20:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure pktgen_wait_all_threads_run [2022-10-15 21:20:21,457 INFO L138 BoogieDeclarations]: Found implementation of procedure pktgen_wait_all_threads_run [2022-10-15 21:20:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-10-15 21:20:21,457 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-10-15 21:20:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure in_aton [2022-10-15 21:20:21,458 INFO L138 BoogieDeclarations]: Found implementation of procedure in_aton [2022-10-15 21:20:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure mac_pton [2022-10-15 21:20:21,459 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_pton [2022-10-15 21:20:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_subsys [2022-10-15 21:20:21,459 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_subsys [2022-10-15 21:20:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2022-10-15 21:20:21,459 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2022-10-15 21:20:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure proc_remove [2022-10-15 21:20:21,459 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_remove [2022-10-15 21:20:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure free_SAs [2022-10-15 21:20:21,460 INFO L138 BoogieDeclarations]: Found implementation of procedure free_SAs [2022-10-15 21:20:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-10-15 21:20:21,460 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-10-15 21:20:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-15 21:20:21,460 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-15 21:20:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure pgctrl_open [2022-10-15 21:20:21,460 INFO L138 BoogieDeclarations]: Found implementation of procedure pgctrl_open [2022-10-15 21:20:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-10-15 21:20:21,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-10-15 21:20:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-10-15 21:20:21,461 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-10-15 21:20:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:20:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure pktgen_if_open [2022-10-15 21:20:21,461 INFO L138 BoogieDeclarations]: Found implementation of procedure pktgen_if_open [2022-10-15 21:20:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-10-15 21:20:21,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:20:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:20:21,462 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-15 21:20:21,462 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-15 21:20:22,261 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:20:22,265 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:20:44,595 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-15 21:20:49,660 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:20:49,685 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:20:49,685 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-15 21:20:49,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:20:49 BoogieIcfgContainer [2022-10-15 21:20:49,691 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:20:49,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:20:49,694 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:20:49,699 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:20:49,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:20:15" (1/3) ... [2022-10-15 21:20:49,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e50de73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:20:49, skipping insertion in model container [2022-10-15 21:20:49,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:20:20" (2/3) ... [2022-10-15 21:20:49,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e50de73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:20:49, skipping insertion in model container [2022-10-15 21:20:49,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:20:49" (3/3) ... [2022-10-15 21:20:49,702 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-net--core--pktgen.ko-entry_point.cil.out.i [2022-10-15 21:20:49,725 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:20:49,725 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 132 error locations. [2022-10-15 21:20:49,865 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:20:49,878 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@78318b58, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:20:49,878 INFO L358 AbstractCegarLoop]: Starting to check reachability of 132 error locations. [2022-10-15 21:20:49,892 INFO L276 IsEmpty]: Start isEmpty. Operand has 1789 states, 1269 states have (on average 1.5106382978723405) internal successors, (1917), 1417 states have internal predecessors, (1917), 311 states have call successors, (311), 77 states have call predecessors, (311), 76 states have return successors, (304), 303 states have call predecessors, (304), 304 states have call successors, (304) [2022-10-15 21:20:49,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-15 21:20:49,929 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:20:49,930 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:20:49,930 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [pktgen_if_writeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pktgen_if_writeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pktgen_if_writeErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 129 more)] === [2022-10-15 21:20:49,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:20:49,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1949563433, now seen corresponding path program 1 times [2022-10-15 21:20:49,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:20:49,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310569524] [2022-10-15 21:20:49,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:20:49,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:20:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:51,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:20:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:51,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:20:51,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:51,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:20:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:51,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:20:51,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:51,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:20:51,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:51,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:20:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:51,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-15 21:20:51,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:51,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-15 21:20:51,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:51,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-15 21:20:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:51,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-15 21:20:51,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:51,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-15 21:20:51,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:51,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-15 21:20:51,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:51,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-15 21:20:51,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:51,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-15 21:20:51,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:51,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-10-15 21:20:51,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:20:51,363 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-10-15 21:20:51,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:20:51,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310569524] [2022-10-15 21:20:51,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310569524] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:20:51,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:20:51,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:20:51,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405682811] [2022-10-15 21:20:51,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:20:51,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:20:51,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:20:51,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:20:51,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:20:51,441 INFO L87 Difference]: Start difference. First operand has 1789 states, 1269 states have (on average 1.5106382978723405) internal successors, (1917), 1417 states have internal predecessors, (1917), 311 states have call successors, (311), 77 states have call predecessors, (311), 76 states have return successors, (304), 303 states have call predecessors, (304), 304 states have call successors, (304) Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15)