/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-3.7.3/linux-3.10-rc1-43_1a-bitvector-drivers--atm--he.ko-ldv_main0.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 12:22:04,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 12:22:04,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 12:22:04,751 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 12:22:04,752 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 12:22:04,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 12:22:04,761 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 12:22:04,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 12:22:04,773 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 12:22:04,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 12:22:04,780 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 12:22:04,782 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 12:22:04,782 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 12:22:04,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 12:22:04,787 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 12:22:04,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 12:22:04,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 12:22:04,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 12:22:04,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 12:22:04,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 12:22:04,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 12:22:04,813 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 12:22:04,815 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 12:22:04,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 12:22:04,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 12:22:04,845 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 12:22:04,846 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 12:22:04,848 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 12:22:04,849 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 12:22:04,851 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 12:22:04,851 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 12:22:04,852 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 12:22:04,852 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 12:22:04,852 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 12:22:04,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 12:22:04,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 12:22:04,860 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 12:22:04,910 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 12:22:04,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 12:22:04,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 12:22:04,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 12:22:04,915 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 12:22:04,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 12:22:04,915 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 12:22:04,915 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 12:22:04,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 12:22:04,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 12:22:04,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 12:22:04,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 12:22:04,917 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 12:22:04,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 12:22:04,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 12:22:04,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 12:22:04,918 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 12:22:04,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 12:22:04,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 12:22:04,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 12:22:04,919 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 12:22:04,919 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 12:22:04,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 12:22:04,920 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 12:22:04,920 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 12:22:04,920 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 12:22:05,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 12:22:05,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 12:22:05,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 12:22:05,387 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 12:22:05,390 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 12:22:05,391 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.7.3/linux-3.10-rc1-43_1a-bitvector-drivers--atm--he.ko-ldv_main0.cil.out.i [2020-12-22 12:22:05,484 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd9054f1a/18e330f105d5498194be98da3fe62250/FLAG62f4808cd [2020-12-22 12:22:06,682 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 12:22:06,683 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.7.3/linux-3.10-rc1-43_1a-bitvector-drivers--atm--he.ko-ldv_main0.cil.out.i [2020-12-22 12:22:06,731 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd9054f1a/18e330f105d5498194be98da3fe62250/FLAG62f4808cd [2020-12-22 12:22:07,028 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd9054f1a/18e330f105d5498194be98da3fe62250 [2020-12-22 12:22:07,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 12:22:07,033 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 12:22:07,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 12:22:07,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 12:22:07,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 12:22:07,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 12:22:07" (1/1) ... [2020-12-22 12:22:07,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59396948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:22:07, skipping insertion in model container [2020-12-22 12:22:07,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 12:22:07" (1/1) ... [2020-12-22 12:22:07,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 12:22:07,252 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 12:22:09,165 WARN L226 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-3.7.3/linux-3.10-rc1-43_1a-bitvector-drivers--atm--he.ko-ldv_main0.cil.out.i[290796,290809] [2020-12-22 12:22:09,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 12:22:09,329 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 12:22:09,882 WARN L226 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-3.7.3/linux-3.10-rc1-43_1a-bitvector-drivers--atm--he.ko-ldv_main0.cil.out.i[290796,290809] [2020-12-22 12:22:09,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 12:22:10,245 INFO L208 MainTranslator]: Completed translation [2020-12-22 12:22:10,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:22:10 WrapperNode [2020-12-22 12:22:10,246 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 12:22:10,248 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 12:22:10,248 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 12:22:10,248 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 12:22:10,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:22:10" (1/1) ... [2020-12-22 12:22:10,363 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:22:10" (1/1) ... [2020-12-22 12:22:10,955 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 12:22:10,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 12:22:10,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 12:22:10,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 12:22:10,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:22:10" (1/1) ... [2020-12-22 12:22:10,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:22:10" (1/1) ... [2020-12-22 12:22:11,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:22:10" (1/1) ... [2020-12-22 12:22:11,221 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:22:10" (1/1) ... [2020-12-22 12:22:11,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:22:10" (1/1) ... [2020-12-22 12:22:11,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:22:10" (1/1) ... [2020-12-22 12:22:11,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:22:10" (1/1) ... [2020-12-22 12:22:11,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 12:22:11,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 12:22:11,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 12:22:11,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 12:22:11,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:22:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 12:22:11,879 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2020-12-22 12:22:11,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 12:22:11,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 12:22:11,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 12:22:11,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 12:22:11,880 INFO L130 BoogieDeclarations]: Found specification of procedure he_ioctl [2020-12-22 12:22:11,880 INFO L138 BoogieDeclarations]: Found implementation of procedure he_ioctl [2020-12-22 12:22:11,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 12:22:11,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 12:22:11,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 12:22:11,882 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2020-12-22 12:22:11,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2020-12-22 12:22:11,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 12:22:11,883 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-12-22 12:22:11,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 12:22:11,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 12:22:11,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 12:22:26,321 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 12:22:26,322 INFO L299 CfgBuilder]: Removed 3646 assume(true) statements. [2020-12-22 12:22:26,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 12:22:26 BoogieIcfgContainer [2020-12-22 12:22:26,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 12:22:26,330 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 12:22:26,330 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 12:22:26,334 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 12:22:26,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 12:22:07" (1/3) ... [2020-12-22 12:22:26,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@243a80f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 12:22:26, skipping insertion in model container [2020-12-22 12:22:26,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:22:10" (2/3) ... [2020-12-22 12:22:26,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@243a80f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 12:22:26, skipping insertion in model container [2020-12-22 12:22:26,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 12:22:26" (3/3) ... [2020-12-22 12:22:26,337 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.10-rc1-43_1a-bitvector-drivers--atm--he.ko-ldv_main0.cil.out.i [2020-12-22 12:22:26,344 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 12:22:26,350 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2020-12-22 12:22:26,370 INFO L253 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2020-12-22 12:22:26,427 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 12:22:26,427 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 12:22:26,427 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 12:22:26,428 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 12:22:26,428 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 12:22:26,428 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 12:22:26,428 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 12:22:26,428 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 12:22:26,497 INFO L276 IsEmpty]: Start isEmpty. Operand 3059 states. [2020-12-22 12:22:26,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-22 12:22:26,506 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 12:22:26,507 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 12:22:26,508 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 12:22:26,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 12:22:26,514 INFO L82 PathProgramCache]: Analyzing trace with hash 1297867350, now seen corresponding path program 1 times [2020-12-22 12:22:26,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 12:22:26,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580445665] [2020-12-22 12:22:26,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 12:22:27,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:22:27,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 12:22:27,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580445665] [2020-12-22 12:22:27,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 12:22:27,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 12:22:27,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604219867] [2020-12-22 12:22:27,314 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 12:22:27,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 12:22:27,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 12:22:27,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:22:27,331 INFO L87 Difference]: Start difference. First operand 3059 states. Second operand 3 states. [2020-12-22 12:22:27,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 12:22:27,728 INFO L93 Difference]: Finished difference Result 6094 states and 7797 transitions. [2020-12-22 12:22:27,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 12:22:27,730 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-12-22 12:22:27,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 12:22:27,760 INFO L225 Difference]: With dead ends: 6094 [2020-12-22 12:22:27,760 INFO L226 Difference]: Without dead ends: 3019 [2020-12-22 12:22:27,773 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:22:27,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3019 states. [2020-12-22 12:22:27,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3019 to 3019. [2020-12-22 12:22:27,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3019 states. [2020-12-22 12:22:27,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3019 states to 3019 states and 3824 transitions. [2020-12-22 12:22:27,952 INFO L78 Accepts]: Start accepts. Automaton has 3019 states and 3824 transitions. Word has length 16 [2020-12-22 12:22:27,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 12:22:27,952 INFO L481 AbstractCegarLoop]: Abstraction has 3019 states and 3824 transitions. [2020-12-22 12:22:27,952 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 12:22:27,953 INFO L276 IsEmpty]: Start isEmpty. Operand 3019 states and 3824 transitions. [2020-12-22 12:22:27,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-22 12:22:27,955 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 12:22:27,956 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 12:22:27,956 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 12:22:27,956 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 12:22:27,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 12:22:27,957 INFO L82 PathProgramCache]: Analyzing trace with hash -1169344499, now seen corresponding path program 1 times [2020-12-22 12:22:27,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 12:22:27,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442229085] [2020-12-22 12:22:27,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 12:22:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:22:28,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 12:22:28,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442229085] [2020-12-22 12:22:28,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 12:22:28,140 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 12:22:28,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464378943] [2020-12-22 12:22:28,141 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 12:22:28,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 12:22:28,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 12:22:28,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:22:28,144 INFO L87 Difference]: Start difference. First operand 3019 states and 3824 transitions. Second operand 3 states. [2020-12-22 12:22:28,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 12:22:28,295 INFO L93 Difference]: Finished difference Result 6033 states and 7644 transitions. [2020-12-22 12:22:28,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 12:22:28,296 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2020-12-22 12:22:28,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 12:22:28,317 INFO L225 Difference]: With dead ends: 6033 [2020-12-22 12:22:28,317 INFO L226 Difference]: Without dead ends: 3020 [2020-12-22 12:22:28,328 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:22:28,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3020 states. [2020-12-22 12:22:28,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3020 to 3020. [2020-12-22 12:22:28,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3020 states. [2020-12-22 12:22:28,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3020 states to 3020 states and 3825 transitions. [2020-12-22 12:22:28,431 INFO L78 Accepts]: Start accepts. Automaton has 3020 states and 3825 transitions. Word has length 21 [2020-12-22 12:22:28,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 12:22:28,432 INFO L481 AbstractCegarLoop]: Abstraction has 3020 states and 3825 transitions. [2020-12-22 12:22:28,432 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 12:22:28,433 INFO L276 IsEmpty]: Start isEmpty. Operand 3020 states and 3825 transitions. [2020-12-22 12:22:28,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-22 12:22:28,441 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 12:22:28,441 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 12:22:28,441 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 12:22:28,442 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 12:22:28,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 12:22:28,443 INFO L82 PathProgramCache]: Analyzing trace with hash -1257415181, now seen corresponding path program 1 times [2020-12-22 12:22:28,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 12:22:28,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434170091] [2020-12-22 12:22:28,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 12:22:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 12:22:29,102 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 12:22:29,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 12:22:29,550 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 12:22:29,715 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-22 12:22:29,715 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-22 12:22:29,716 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 12:22:29,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 12:22:29 BoogieIcfgContainer [2020-12-22 12:22:29,934 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 12:22:29,935 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 12:22:29,935 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 12:22:29,935 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 12:22:29,942 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 12:22:26" (3/4) ... [2020-12-22 12:22:29,947 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-22 12:22:29,947 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 12:22:29,952 INFO L168 Benchmark]: Toolchain (without parser) took 22916.35 ms. Allocated memory was 158.3 MB in the beginning and 1.2 GB in the end (delta: 992.0 MB). Free memory was 120.1 MB in the beginning and 563.8 MB in the end (delta: -443.7 MB). Peak memory consumption was 549.2 MB. Max. memory is 8.0 GB. [2020-12-22 12:22:29,953 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 158.3 MB. Free memory is still 131.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 12:22:29,955 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3212.23 ms. Allocated memory was 158.3 MB in the beginning and 202.4 MB in the end (delta: 44.0 MB). Free memory was 119.8 MB in the beginning and 125.3 MB in the end (delta: -5.5 MB). Peak memory consumption was 107.9 MB. Max. memory is 8.0 GB. [2020-12-22 12:22:29,956 INFO L168 Benchmark]: Boogie Procedure Inliner took 709.08 ms. Allocated memory was 202.4 MB in the beginning and 349.2 MB in the end (delta: 146.8 MB). Free memory was 125.3 MB in the beginning and 218.6 MB in the end (delta: -93.3 MB). Peak memory consumption was 64.5 MB. Max. memory is 8.0 GB. [2020-12-22 12:22:29,958 INFO L168 Benchmark]: Boogie Preprocessor took 815.46 ms. Allocated memory is still 349.2 MB. Free memory was 218.6 MB in the beginning and 185.6 MB in the end (delta: 33.0 MB). Peak memory consumption was 39.8 MB. Max. memory is 8.0 GB. [2020-12-22 12:22:29,960 INFO L168 Benchmark]: RCFGBuilder took 14552.34 ms. Allocated memory was 349.2 MB in the beginning and 1.2 GB in the end (delta: 801.1 MB). Free memory was 185.6 MB in the beginning and 350.4 MB in the end (delta: -164.8 MB). Peak memory consumption was 635.8 MB. Max. memory is 8.0 GB. [2020-12-22 12:22:29,965 INFO L168 Benchmark]: TraceAbstraction took 3604.78 ms. Allocated memory is still 1.2 GB. Free memory was 349.9 MB in the beginning and 564.3 MB in the end (delta: -214.4 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 12:22:29,966 INFO L168 Benchmark]: Witness Printer took 12.52 ms. Allocated memory is still 1.2 GB. Free memory is still 563.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 12:22:29,976 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 158.3 MB. Free memory is still 131.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 3212.23 ms. Allocated memory was 158.3 MB in the beginning and 202.4 MB in the end (delta: 44.0 MB). Free memory was 119.8 MB in the beginning and 125.3 MB in the end (delta: -5.5 MB). Peak memory consumption was 107.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 709.08 ms. Allocated memory was 202.4 MB in the beginning and 349.2 MB in the end (delta: 146.8 MB). Free memory was 125.3 MB in the beginning and 218.6 MB in the end (delta: -93.3 MB). Peak memory consumption was 64.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 815.46 ms. Allocated memory is still 349.2 MB. Free memory was 218.6 MB in the beginning and 185.6 MB in the end (delta: 33.0 MB). Peak memory consumption was 39.8 MB. Max. memory is 8.0 GB. * RCFGBuilder took 14552.34 ms. Allocated memory was 349.2 MB in the beginning and 1.2 GB in the end (delta: 801.1 MB). Free memory was 185.6 MB in the beginning and 350.4 MB in the end (delta: -164.8 MB). Peak memory consumption was 635.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3604.78 ms. Allocated memory is still 1.2 GB. Free memory was 349.9 MB in the beginning and 564.3 MB in the end (delta: -214.4 MB). There was no memory consumed. Max. memory is 8.0 GB. * Witness Printer took 12.52 ms. Allocated memory is still 1.2 GB. Free memory is still 563.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 9511]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 9525. Possible FailurePath: [L6352] static struct he_dev *he_devs ; [L6353] static bool disable64 ; [L6354] static short nvpibits = -1; [L6355] static short nvcibits = -1; [L6356] static short rx_skb_reserve = 16; [L6357] static bool irq_coalesce = 1; [L6358] static bool sdh = 0; [L6359-L6364] static unsigned int readtab[17U] = { 4352U, 0U, 256U, 0U, 256U, 0U, 256U, 0U, 256U, 0U, 256U, 0U, 256U, 512U, 768U, 512U, 768U}; [L6365-L6370] static unsigned int clocktab[17U] = { 0U, 256U, 0U, 256U, 0U, 256U, 0U, 256U, 0U, 256U, 0U, 256U, 0U, 256U, 0U, 256U, 0U}; [L6371-L6373] static struct atmdev_ops he_ops = {0, & he_open, & he_close, & he_ioctl, 0, 0, 0, & he_send, 0, & he_phy_put, & he_phy_get, 0, & he_proc_read, & __this_module}; [L9192-L9193] static struct pci_device_id he_pci_tbl[2U] = { {4391U, 1024U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {0U, 0U, 0U, 0U, 0U, 0U, 0UL}}; [L9194] struct pci_device_id const __mod_pci_device_table ; [L9195-L9208] static struct pci_driver he_driver = {{0, 0}, "he", (struct pci_device_id const *)(& he_pci_tbl), & he_init_one, & he_remove_one, 0, 0, 0, 0, 0, 0, 0, {0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, {{{{{{0U}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}}; [L9230] int LDV_IN_INTERRUPT ; [L9521] int ldv_spin = 0; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967304:4294967308}, clocktab={93:0}, disable64=0, he_devs={0:0}, he_driver={58:0}, he_ops={69:0}, he_pci_tbl={129:0}, irq_coalesce=1, LDV_IN_INTERRUPT=0, ldv_spin=0, nvcibits=-1, nvpibits=-1, readtab={102:0}, rx_skb_reserve=16, sdh=0] [L9238] struct atm_vcc *var_group1 ; [L9239] int res_he_open_23 ; [L9240] struct atm_dev *var_group2 ; [L9241] unsigned int var_he_ioctl_26_p1 ; [L9242] void *var_he_ioctl_26_p2 ; [L9243] struct sk_buff *var_group3 ; [L9244] unsigned char var_he_phy_put_27_p1 ; [L9245] unsigned long var_he_phy_put_27_p2 ; [L9246] unsigned long var_he_phy_get_28_p1 ; [L9247] loff_t *var_he_proc_read_29_p1 ; [L9248] char *var_he_proc_read_29_p2 ; [L9249] struct pci_dev *var_group4 ; [L9250] struct pci_device_id const *var_he_init_one_3_p1 ; [L9251] int res_he_init_one_3 ; [L9252] int var_he_irq_handler_21_p0 ; [L9253] void *var_he_irq_handler_21_p1 ; [L9254] int ldv_s_he_ops_atmdev_ops ; [L9255] int ldv_s_he_driver_pci_driver ; [L9256] int tmp ; [L9257] int tmp___0 ; [L9258] int tmp___1 ; [L9259] var_group1 = malloc(sizeof(struct atm_vcc)) [L9260] var_group1->release_cb = &void_one_par_dummy [L9261] var_group1->push = &void_two_par_dummy [L9262] var_group1->pop = &void_two_par_dummy [L9263] var_group1->push_oam = &int_two_par_dummy [L9264] var_group1->send = &int_two_par_dummy [L9266] ldv_s_he_ops_atmdev_ops = 0 [L9267] ldv_s_he_driver_pci_driver = 0 [L9268] LDV_IN_INTERRUPT = 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967304:4294967308}, clocktab={93:0}, disable64=0, he_devs={0:0}, he_driver={58:0}, he_ops={69:0}, he_pci_tbl={129:0}, irq_coalesce=1, LDV_IN_INTERRUPT=1, ldv_spin=0, nvcibits=-1, nvpibits=-1, readtab={102:0}, rx_skb_reserve=16, sdh=0] [L9211] int tmp ; [L9610] return __VERIFIER_nondet_int(); [L9213] tmp = __pci_register_driver(& he_driver, & __this_module, "he") [L9214] return (tmp); VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967304:4294967308}, clocktab={93:0}, disable64=0, he_devs={0:0}, he_driver={58:0}, he_ops={69:0}, he_pci_tbl={129:0}, irq_coalesce=1, LDV_IN_INTERRUPT=1, ldv_spin=0, nvcibits=-1, nvpibits=-1, readtab={102:0}, rx_skb_reserve=16, sdh=0] [L9271] tmp = he_init() [L9272] COND FALSE !(tmp != 0) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967304:4294967308}, clocktab={93:0}, disable64=0, he_devs={0:0}, he_driver={58:0}, he_ops={69:0}, he_pci_tbl={129:0}, irq_coalesce=1, LDV_IN_INTERRUPT=1, ldv_spin=0, nvcibits=-1, nvpibits=-1, readtab={102:0}, rx_skb_reserve=16, sdh=0] [L9353] tmp___1 = __VERIFIER_nondet_int() [L9354] COND TRUE (tmp___1 != 0 || ldv_s_he_ops_atmdev_ops != 0) || ldv_s_he_driver_pci_driver != 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967304:4294967308}, clocktab={93:0}, disable64=0, he_devs={0:0}, he_driver={58:0}, he_ops={69:0}, he_pci_tbl={129:0}, irq_coalesce=1, LDV_IN_INTERRUPT=1, ldv_spin=0, nvcibits=-1, nvpibits=-1, readtab={102:0}, rx_skb_reserve=16, sdh=0] [L9278] tmp___0 = __VERIFIER_nondet_int() [L9280] case 0: [L9293] case 1: [L9301] case 2: [L9305] case 3: VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967304:4294967308}, clocktab={93:0}, disable64=0, he_devs={0:0}, he_driver={58:0}, he_ops={69:0}, he_pci_tbl={129:0}, irq_coalesce=1, LDV_IN_INTERRUPT=1, ldv_spin=0, nvcibits=-1, nvpibits=-1, readtab={102:0}, rx_skb_reserve=16, sdh=0] [L8782] unsigned long flags ; [L8783] struct he_dev *he_dev ; [L8784] unsigned int cid ; [L8785] struct he_tpd *tpd ; [L8786] unsigned char *tmp ; [L8787] char *pti_clp ; [L8788] int clp ; [L8789] int pti ; [L8790] dma_addr_t tmp___0 ; [L8792] EXPR vcc->dev [L8792] EXPR (vcc->dev)->dev_data [L8792] he_dev = (struct he_dev *)(vcc->dev)->dev_data [L8793] EXPR vcc->vpi [L8793] EXPR he_dev->vcibits [L8793] EXPR vcc->vci [L8793] cid = (unsigned int )(((int )vcc->vpi << (int )he_dev->vcibits) | vcc->vci) & 8191U [L8794] EXPR skb->len [L8794] skb->len > 65535U || ((unsigned int )vcc->qos.aal == 13U && skb->len != 52U) [L8794] EXPR vcc->qos.aal [L8794] EXPR (unsigned int )vcc->qos.aal == 13U && skb->len != 52U [L8794] EXPR skb->len [L8794] EXPR (unsigned int )vcc->qos.aal == 13U && skb->len != 52U VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967304:4294967308}, clocktab={93:0}, disable64=0, he_devs={0:0}, he_driver={58:0}, he_ops={69:0}, he_pci_tbl={129:0}, irq_coalesce=1, LDV_IN_INTERRUPT=1, ldv_spin=0, nvcibits=-1, nvpibits=-1, readtab={102:0}, rx_skb_reserve=16, sdh=0] [L8794] skb->len > 65535U || ((unsigned int )vcc->qos.aal == 13U && skb->len != 52U) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967304:4294967308}, clocktab={93:0}, disable64=0, he_devs={0:0}, he_driver={58:0}, he_ops={69:0}, he_pci_tbl={129:0}, irq_coalesce=1, LDV_IN_INTERRUPT=1, ldv_spin=0, nvcibits=-1, nvpibits=-1, readtab={102:0}, rx_skb_reserve=16, sdh=0] [L8794] COND FALSE !(skb->len > 65535U || ((unsigned int )vcc->qos.aal == 13U && skb->len != 52U)) [L6080] EXPR skb->head [L6080] EXPR skb->end [L6080] return ((unsigned char *)skb->head + (unsigned long )skb->end); [L8806] tmp = skb_end_pointer((struct sk_buff const *)skb) [L8807] EXPR ((struct skb_shared_info *)tmp)->nr_frags VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967304:4294967308}, clocktab={93:0}, disable64=0, he_devs={0:0}, he_driver={58:0}, he_ops={69:0}, he_pci_tbl={129:0}, irq_coalesce=1, LDV_IN_INTERRUPT=1, ldv_spin=0, nvcibits=-1, nvpibits=-1, readtab={102:0}, rx_skb_reserve=16, sdh=0] [L8807] COND FALSE !((unsigned int )((struct skb_shared_info *)tmp)->nr_frags != 0U) [L9558] ldv_spin = 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967304:4294967308}, clocktab={93:0}, disable64=0, he_devs={0:0}, he_driver={58:0}, he_ops={69:0}, he_pci_tbl={129:0}, irq_coalesce=1, LDV_IN_INTERRUPT=1, ldv_spin=1, nvcibits=-1, nvpibits=-1, readtab={102:0}, rx_skb_reserve=16, sdh=0] [L7794] struct he_tpd *tpd ; [L7795] dma_addr_t mapping ; [L7796] void *tmp ; [L7798] he_dev->tpd_pool [L9525] COND FALSE !(ldv_spin == 0 || flags & 32U) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967304:4294967308}, clocktab={93:0}, disable64=0, he_devs={0:0}, he_driver={58:0}, he_ops={69:0}, he_pci_tbl={129:0}, irq_coalesce=1, LDV_IN_INTERRUPT=1, ldv_spin=1, nvcibits=-1, nvpibits=-1, readtab={102:0}, rx_skb_reserve=16, sdh=0] [L9511] reach_error() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={4294967304:4294967308}, clocktab={93:0}, disable64=0, he_devs={0:0}, he_driver={58:0}, he_ops={69:0}, he_pci_tbl={129:0}, irq_coalesce=1, LDV_IN_INTERRUPT=1, ldv_spin=1, nvcibits=-1, nvpibits=-1, readtab={102:0}, rx_skb_reserve=16, sdh=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 3059 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.2s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7680 SDtfs, 2455 SDslu, 5146 SDs, 0 SdLazy, 47 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3059occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 1045 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...