/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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--infiniband--hw-cxgb3--iw_cxgb3.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:06:45,233 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:06:45,238 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:06:45,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:06:45,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:06:45,312 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:06:45,313 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:06:45,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:06:45,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:06:45,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:06:45,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:06:45,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:06:45,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:06:45,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:06:45,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:06:45,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:06:45,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:06:45,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:06:45,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:06:45,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:06:45,336 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:06:45,339 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:06:45,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:06:45,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:06:45,346 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:06:45,347 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:06:45,347 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:06:45,349 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:06:45,349 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:06:45,350 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:06:45,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:06:45,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:06:45,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:06:45,354 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:06:45,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:06:45,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:06:45,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:06:45,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:06:45,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:06:45,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:06:45,359 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:06:45,360 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 21:06:45,388 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:06:45,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:06:45,389 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:06:45,389 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:06:45,390 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:06:45,390 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:06:45,391 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:06:45,391 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:06:45,391 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:06:45,392 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:06:45,392 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:06:45,392 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:06:45,392 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:06:45,393 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:06:45,393 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:06:45,393 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:06:45,393 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:06:45,394 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:06:45,394 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:06:45,394 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:06:45,394 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:06:45,395 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:06:45,395 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:06:45,395 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:06:45,395 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:06:45,396 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:06:45,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:06:45,396 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:06:45,396 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:06:45,396 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:06:45,397 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:06:45,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:06:45,397 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:06:45,397 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:06:45,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:06:45,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:06:45,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:06:45,913 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:06:45,914 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:06:45,916 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--infiniband--hw-cxgb3--iw_cxgb3.ko-main.cil.out.i [2022-10-15 21:06:46,004 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82b757ebd/107ee55739d140fdbad5f12b9f2b219e/FLAGe9ecfc710 [2022-10-15 21:06:47,355 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:06:47,356 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--infiniband--hw-cxgb3--iw_cxgb3.ko-main.cil.out.i [2022-10-15 21:06:47,460 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82b757ebd/107ee55739d140fdbad5f12b9f2b219e/FLAGe9ecfc710 [2022-10-15 21:06:47,948 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82b757ebd/107ee55739d140fdbad5f12b9f2b219e [2022-10-15 21:06:47,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:06:47,988 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:06:47,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:06:47,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:06:48,001 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:06:48,002 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:06:47" (1/1) ... [2022-10-15 21:06:48,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b2d6898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:48, skipping insertion in model container [2022-10-15 21:06:48,013 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:06:47" (1/1) ... [2022-10-15 21:06:48,028 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:06:48,267 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:06:51,906 WARN L1550 CHandler]: Possible shadowing of function abort [2022-10-15 21:06:51,913 WARN L1550 CHandler]: Possible shadowing of function abort [2022-10-15 21:06:51,914 WARN L1550 CHandler]: Possible shadowing of function abort [2022-10-15 21:06:53,094 WARN L1550 CHandler]: Possible shadowing of function abort [2022-10-15 21:06:53,103 WARN L1550 CHandler]: Possible shadowing of function abort [2022-10-15 21:06:53,106 WARN L1550 CHandler]: Possible shadowing of function abort [2022-10-15 21:06:53,112 WARN L1550 CHandler]: Possible shadowing of function abort [2022-10-15 21:06:56,596 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--infiniband--hw-cxgb3--iw_cxgb3.ko-main.cil.out.i[741742,741755] [2022-10-15 21:06:57,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:06:57,134 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:06:57,922 WARN L1550 CHandler]: Possible shadowing of function abort [2022-10-15 21:06:57,925 WARN L1550 CHandler]: Possible shadowing of function abort [2022-10-15 21:06:57,925 WARN L1550 CHandler]: Possible shadowing of function abort [2022-10-15 21:06:58,101 WARN L1550 CHandler]: Possible shadowing of function abort [2022-10-15 21:06:58,109 WARN L1550 CHandler]: Possible shadowing of function abort [2022-10-15 21:06:58,117 WARN L1550 CHandler]: Possible shadowing of function abort [2022-10-15 21:06:58,133 WARN L1550 CHandler]: Possible shadowing of function abort [2022-10-15 21:06:58,651 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--infiniband--hw-cxgb3--iw_cxgb3.ko-main.cil.out.i[741742,741755] [2022-10-15 21:06:58,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:06:58,883 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:06:58,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:58 WrapperNode [2022-10-15 21:06:58,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:06:58,885 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:06:58,885 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:06:58,885 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:06:58,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:58" (1/1) ... [2022-10-15 21:06:59,207 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:58" (1/1) ... [2022-10-15 21:06:59,487 INFO L138 Inliner]: procedures = 661, calls = 10640, calls flagged for inlining = 235, calls inlined = 88, statements flattened = 5910 [2022-10-15 21:06:59,488 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:06:59,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:06:59,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:06:59,489 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:06:59,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:58" (1/1) ... [2022-10-15 21:06:59,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:58" (1/1) ... [2022-10-15 21:06:59,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:58" (1/1) ... [2022-10-15 21:06:59,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:58" (1/1) ... [2022-10-15 21:06:59,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:58" (1/1) ... [2022-10-15 21:06:59,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:58" (1/1) ... [2022-10-15 21:06:59,844 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:58" (1/1) ... [2022-10-15 21:06:59,875 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:58" (1/1) ... [2022-10-15 21:06:59,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:06:59,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:06:59,937 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:06:59,937 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:06:59,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:58" (1/1) ... [2022-10-15 21:06:59,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:06:59,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:06:59,980 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 21:07:00,001 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 21:07:00,043 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-10-15 21:07:00,043 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-10-15 21:07:00,044 INFO L130 BoogieDeclarations]: Found specification of procedure cxio_rdev_close [2022-10-15 21:07:00,044 INFO L138 BoogieDeclarations]: Found implementation of procedure cxio_rdev_close [2022-10-15 21:07:00,044 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_device [2022-10-15 21:07:00,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_device [2022-10-15 21:07:00,044 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2022-10-15 21:07:00,044 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2022-10-15 21:07:00,044 INFO L130 BoogieDeclarations]: Found specification of procedure iwch_poll_cq_one [2022-10-15 21:07:00,044 INFO L138 BoogieDeclarations]: Found implementation of procedure iwch_poll_cq_one [2022-10-15 21:07:00,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:07:00,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:07:00,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_dev_mutex [2022-10-15 21:07:00,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_dev_mutex [2022-10-15 21:07:00,045 INFO L130 BoogieDeclarations]: Found specification of procedure cxio_num_stags [2022-10-15 21:07:00,045 INFO L138 BoogieDeclarations]: Found implementation of procedure cxio_num_stags [2022-10-15 21:07:00,045 INFO L130 BoogieDeclarations]: Found specification of procedure gen_pool_create [2022-10-15 21:07:00,046 INFO L138 BoogieDeclarations]: Found implementation of procedure gen_pool_create [2022-10-15 21:07:00,046 INFO L130 BoogieDeclarations]: Found specification of procedure cxio_init_ucontext [2022-10-15 21:07:00,046 INFO L138 BoogieDeclarations]: Found implementation of procedure cxio_init_ucontext [2022-10-15 21:07:00,046 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-15 21:07:00,046 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-15 21:07:00,046 INFO L130 BoogieDeclarations]: Found specification of procedure t3_register_cpl_handler [2022-10-15 21:07:00,046 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_register_cpl_handler [2022-10-15 21:07:00,047 INFO L130 BoogieDeclarations]: Found specification of procedure idr_init [2022-10-15 21:07:00,047 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_init [2022-10-15 21:07:00,047 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-15 21:07:00,047 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-15 21:07:00,047 INFO L130 BoogieDeclarations]: Found specification of procedure cxio_hal_destroy_resource [2022-10-15 21:07:00,048 INFO L138 BoogieDeclarations]: Found implementation of procedure cxio_hal_destroy_resource [2022-10-15 21:07:00,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:07:00,048 INFO L130 BoogieDeclarations]: Found specification of procedure __cxio_init_resource_fifo [2022-10-15 21:07:00,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __cxio_init_resource_fifo [2022-10-15 21:07:00,048 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-10-15 21:07:00,048 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-10-15 21:07:00,049 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-15 21:07:00,049 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-15 21:07:00,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_dev_mutex [2022-10-15 21:07:00,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_dev_mutex [2022-10-15 21:07:00,049 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2022-10-15 21:07:00,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2022-10-15 21:07:00,050 INFO L130 BoogieDeclarations]: Found specification of procedure cxio_hal_pblpool_free [2022-10-15 21:07:00,050 INFO L138 BoogieDeclarations]: Found implementation of procedure cxio_hal_pblpool_free [2022-10-15 21:07:00,050 INFO L130 BoogieDeclarations]: Found specification of procedure iwch_cxgb3_ofld_send [2022-10-15 21:07:00,050 INFO L138 BoogieDeclarations]: Found implementation of procedure iwch_cxgb3_ofld_send [2022-10-15 21:07:00,050 INFO L130 BoogieDeclarations]: Found specification of procedure ib_unregister_device [2022-10-15 21:07:00,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_unregister_device [2022-10-15 21:07:00,054 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-15 21:07:00,054 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-15 21:07:00,054 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_in_r [2022-10-15 21:07:00,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_in_r [2022-10-15 21:07:00,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-15 21:07:00,055 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-15 21:07:00,055 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-15 21:07:00,055 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-15 21:07:00,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-15 21:07:00,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 21:07:00,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:07:00,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-15 21:07:00,056 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-15 21:07:00,056 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-10-15 21:07:00,056 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-10-15 21:07:00,056 INFO L130 BoogieDeclarations]: Found specification of procedure cxio_hal_destroy_ctrl_qp [2022-10-15 21:07:00,057 INFO L138 BoogieDeclarations]: Found implementation of procedure cxio_hal_destroy_ctrl_qp [2022-10-15 21:07:00,057 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_alloc [2022-10-15 21:07:00,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_alloc [2022-10-15 21:07:00,057 INFO L130 BoogieDeclarations]: Found specification of procedure disable_dbs [2022-10-15 21:07:00,057 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_dbs [2022-10-15 21:07:00,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:07:00,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:07:00,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:07:00,058 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-15 21:07:00,058 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-10-15 21:07:00,058 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-10-15 21:07:00,058 INFO L130 BoogieDeclarations]: Found specification of procedure iwch_event_handler [2022-10-15 21:07:00,059 INFO L138 BoogieDeclarations]: Found implementation of procedure iwch_event_handler [2022-10-15 21:07:00,059 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-15 21:07:00,059 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-15 21:07:00,059 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-15 21:07:00,059 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-10-15 21:07:00,060 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out [2022-10-15 21:07:00,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_out [2022-10-15 21:07:00,060 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_int_must_check_helper [2022-10-15 21:07:00,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_int_must_check_helper [2022-10-15 21:07:00,060 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-10-15 21:07:00,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-10-15 21:07:00,061 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_net [2022-10-15 21:07:00,061 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_net [2022-10-15 21:07:00,061 INFO L130 BoogieDeclarations]: Found specification of procedure gen_pool_free [2022-10-15 21:07:00,061 INFO L138 BoogieDeclarations]: Found implementation of procedure gen_pool_free [2022-10-15 21:07:00,061 INFO L130 BoogieDeclarations]: Found specification of procedure iwch_poll_cq [2022-10-15 21:07:00,061 INFO L138 BoogieDeclarations]: Found implementation of procedure iwch_poll_cq [2022-10-15 21:07:00,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:07:00,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:07:00,062 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-10-15 21:07:00,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-10-15 21:07:00,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-15 21:07:00,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-15 21:07:00,063 INFO L130 BoogieDeclarations]: Found specification of procedure enable_dbs [2022-10-15 21:07:00,063 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_dbs [2022-10-15 21:07:00,063 INFO L130 BoogieDeclarations]: Found specification of procedure t3a_device [2022-10-15 21:07:00,063 INFO L138 BoogieDeclarations]: Found implementation of procedure t3a_device [2022-10-15 21:07:00,063 INFO L130 BoogieDeclarations]: Found specification of procedure cxio_next_cqe [2022-10-15 21:07:00,063 INFO L138 BoogieDeclarations]: Found implementation of procedure cxio_next_cqe [2022-10-15 21:07:00,063 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-10-15 21:07:00,064 INFO L130 BoogieDeclarations]: Found specification of procedure close_rnic_dev [2022-10-15 21:07:00,064 INFO L138 BoogieDeclarations]: Found implementation of procedure close_rnic_dev [2022-10-15 21:07:00,064 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-15 21:07:00,064 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-15 21:07:00,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:07:00,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:07:00,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-15 21:07:00,065 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-15 21:07:00,065 INFO L130 BoogieDeclarations]: Found specification of procedure cxio_fatal_error [2022-10-15 21:07:00,065 INFO L138 BoogieDeclarations]: Found implementation of procedure cxio_fatal_error [2022-10-15 21:07:00,065 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-15 21:07:00,066 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-15 21:07:00,066 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_free [2022-10-15 21:07:00,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_free [2022-10-15 21:07:00,066 INFO L130 BoogieDeclarations]: Found specification of procedure prandom_u32 [2022-10-15 21:07:00,066 INFO L138 BoogieDeclarations]: Found implementation of procedure prandom_u32 [2022-10-15 21:07:00,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:07:00,067 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-15 21:07:00,067 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-15 21:07:00,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:07:00,067 INFO L130 BoogieDeclarations]: Found specification of procedure open_rnic_dev [2022-10-15 21:07:00,067 INFO L138 BoogieDeclarations]: Found implementation of procedure open_rnic_dev [2022-10-15 21:07:00,067 INFO L130 BoogieDeclarations]: Found specification of procedure cxio_hal_cq_op [2022-10-15 21:07:00,068 INFO L138 BoogieDeclarations]: Found implementation of procedure cxio_hal_cq_op [2022-10-15 21:07:00,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:07:00,068 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-10-15 21:07:00,068 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-10-15 21:07:00,068 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-10-15 21:07:00,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-10-15 21:07:00,069 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-15 21:07:00,069 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-15 21:07:00,069 INFO L130 BoogieDeclarations]: Found specification of procedure cxgb3_ofld_send [2022-10-15 21:07:00,069 INFO L138 BoogieDeclarations]: Found implementation of procedure cxgb3_ofld_send [2022-10-15 21:07:00,069 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_in [2022-10-15 21:07:00,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_in [2022-10-15 21:07:00,070 INFO L130 BoogieDeclarations]: Found specification of procedure to_iwch_cq [2022-10-15 21:07:00,070 INFO L138 BoogieDeclarations]: Found implementation of procedure to_iwch_cq [2022-10-15 21:07:00,070 INFO L130 BoogieDeclarations]: Found specification of procedure idr_for_each [2022-10-15 21:07:00,070 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_for_each [2022-10-15 21:07:00,070 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-10-15 21:07:00,070 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-10-15 21:07:00,071 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out_r [2022-10-15 21:07:00,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_out_r [2022-10-15 21:07:00,071 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:07:00,071 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 21:07:00,071 INFO L130 BoogieDeclarations]: Found specification of procedure gen_pool_destroy [2022-10-15 21:07:00,071 INFO L138 BoogieDeclarations]: Found implementation of procedure gen_pool_destroy [2022-10-15 21:07:00,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:07:00,072 INFO L130 BoogieDeclarations]: Found specification of procedure get_qhp [2022-10-15 21:07:00,072 INFO L138 BoogieDeclarations]: Found implementation of procedure get_qhp [2022-10-15 21:07:00,072 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-10-15 21:07:00,072 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-10-15 21:07:00,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:07:00,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:07:00,073 INFO L130 BoogieDeclarations]: Found specification of procedure cxio_init_resource_fifo [2022-10-15 21:07:00,073 INFO L138 BoogieDeclarations]: Found implementation of procedure cxio_init_resource_fifo [2022-10-15 21:07:00,073 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2022-10-15 21:07:00,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2022-10-15 21:07:00,073 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2022-10-15 21:07:00,073 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2022-10-15 21:07:00,074 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2022-10-15 21:07:00,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2022-10-15 21:07:00,074 INFO L130 BoogieDeclarations]: Found specification of procedure cxio_hal_pblpool_destroy [2022-10-15 21:07:00,074 INFO L138 BoogieDeclarations]: Found implementation of procedure cxio_hal_pblpool_destroy [2022-10-15 21:07:00,074 INFO L130 BoogieDeclarations]: Found specification of procedure gen_pool_add [2022-10-15 21:07:00,074 INFO L138 BoogieDeclarations]: Found implementation of procedure gen_pool_add [2022-10-15 21:07:00,075 INFO L130 BoogieDeclarations]: Found specification of procedure build_fw_riwrh [2022-10-15 21:07:00,075 INFO L138 BoogieDeclarations]: Found implementation of procedure build_fw_riwrh [2022-10-15 21:07:00,075 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-10-15 21:07:00,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-10-15 21:07:00,075 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-10-15 21:07:00,075 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-10-15 21:07:00,076 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-15 21:07:00,076 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-15 21:07:00,076 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-10-15 21:07:00,076 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-10-15 21:07:00,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:07:00,076 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-10-15 21:07:00,951 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:07:00,955 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:07:20,050 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:07:20,069 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:07:20,070 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 21:07:20,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:07:20 BoogieIcfgContainer [2022-10-15 21:07:20,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:07:20,079 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:07:20,079 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:07:20,083 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:07:20,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:06:47" (1/3) ... [2022-10-15 21:07:20,084 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@542f67fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:07:20, skipping insertion in model container [2022-10-15 21:07:20,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:58" (2/3) ... [2022-10-15 21:07:20,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@542f67fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:07:20, skipping insertion in model container [2022-10-15 21:07:20,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:07:20" (3/3) ... [2022-10-15 21:07:20,087 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--infiniband--hw-cxgb3--iw_cxgb3.ko-main.cil.out.i [2022-10-15 21:07:20,114 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:07:20,114 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2022-10-15 21:07:20,218 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:07:20,228 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;@2c419429, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:07:20,228 INFO L358 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2022-10-15 21:07:20,242 INFO L276 IsEmpty]: Start isEmpty. Operand has 1402 states, 1005 states have (on average 1.3741293532338308) internal successors, (1381), 1063 states have internal predecessors, (1381), 276 states have call successors, (276), 82 states have call predecessors, (276), 82 states have return successors, (276), 275 states have call predecessors, (276), 276 states have call successors, (276) [2022-10-15 21:07:20,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-15 21:07:20,269 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:07:20,270 INFO L195 NwaCegarLoop]: 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] [2022-10-15 21:07:20,271 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [iwch_poll_cq_oneErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, iwch_poll_cq_oneErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, iwch_poll_cq_oneErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-15 21:07:20,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:07:20,284 INFO L85 PathProgramCache]: Analyzing trace with hash 854582973, now seen corresponding path program 1 times [2022-10-15 21:07:20,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:07:20,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767129272] [2022-10-15 21:07:20,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:07:20,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:07:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:21,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 21:07:21,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:21,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:07:22,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:22,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-15 21:07:22,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:22,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:07:22,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:07:22,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767129272] [2022-10-15 21:07:22,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767129272] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:07:22,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:07:22,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:07:22,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666702105] [2022-10-15 21:07:22,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:07:22,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:07:22,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:07:22,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:07:22,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:07:22,145 INFO L87 Difference]: Start difference. First operand has 1402 states, 1005 states have (on average 1.3741293532338308) internal successors, (1381), 1063 states have internal predecessors, (1381), 276 states have call successors, (276), 82 states have call predecessors, (276), 82 states have return successors, (276), 275 states have call predecessors, (276), 276 states have call successors, (276) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-15 21:07:26,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:07:28,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:07:28,913 INFO L93 Difference]: Finished difference Result 3242 states and 4492 transitions. [2022-10-15 21:07:28,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 21:07:28,919 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 32 [2022-10-15 21:07:28,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:07:28,959 INFO L225 Difference]: With dead ends: 3242 [2022-10-15 21:07:28,960 INFO L226 Difference]: Without dead ends: 1790 [2022-10-15 21:07:28,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:07:28,983 INFO L413 NwaCegarLoop]: 1876 mSDtfsCounter, 1200 mSDsluCounter, 2330 mSDsCounter, 0 mSdLazyCounter, 1121 mSolverCounterSat, 860 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1270 SdHoareTripleChecker+Valid, 4206 SdHoareTripleChecker+Invalid, 1982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 860 IncrementalHoareTripleChecker+Valid, 1121 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:07:28,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1270 Valid, 4206 Invalid, 1982 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [860 Valid, 1121 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2022-10-15 21:07:29,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1790 states. [2022-10-15 21:07:29,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1790 to 1708. [2022-10-15 21:07:29,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1708 states, 1225 states have (on average 1.3216326530612246) internal successors, (1619), 1273 states have internal predecessors, (1619), 329 states have call successors, (329), 119 states have call predecessors, (329), 119 states have return successors, (329), 328 states have call predecessors, (329), 329 states have call successors, (329) [2022-10-15 21:07:29,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1708 states and 2277 transitions. [2022-10-15 21:07:29,285 INFO L78 Accepts]: Start accepts. Automaton has 1708 states and 2277 transitions. Word has length 32 [2022-10-15 21:07:29,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:07:29,286 INFO L495 AbstractCegarLoop]: Abstraction has 1708 states and 2277 transitions. [2022-10-15 21:07:29,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-15 21:07:29,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1708 states and 2277 transitions. [2022-10-15 21:07:29,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-15 21:07:29,299 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:07:29,300 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:07:29,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:07:29,301 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [iwch_poll_cq_oneErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, iwch_poll_cq_oneErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, iwch_poll_cq_oneErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 35 more)] === [2022-10-15 21:07:29,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:07:29,302 INFO L85 PathProgramCache]: Analyzing trace with hash 470669131, now seen corresponding path program 1 times [2022-10-15 21:07:29,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:07:29,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319403136] [2022-10-15 21:07:29,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:07:29,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:07:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:30,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 21:07:30,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:30,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:07:30,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:30,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:07:30,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:30,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:07:30,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:30,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:07:30,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:30,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-15 21:07:30,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:30,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-15 21:07:30,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:31,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 21:07:31,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:31,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-15 21:07:31,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:07:31,069 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-15 21:07:31,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:07:31,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319403136] [2022-10-15 21:07:31,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319403136] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:07:31,070 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:07:31,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:07:31,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836118386] [2022-10-15 21:07:31,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:07:31,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:07:31,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:07:31,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:07:31,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:07:31,075 INFO L87 Difference]: Start difference. First operand 1708 states and 2277 transitions. Second operand has 6 states, 5 states have (on average 11.6) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9)