./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 45acb2c796116b4df93c0e090b1e242e2e986b4d7b1240180279cd2f8660db26 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 02:01:18,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 02:01:18,328 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 02:01:18,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 02:01:18,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 02:01:18,371 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 02:01:18,373 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 02:01:18,378 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 02:01:18,379 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 02:01:18,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 02:01:18,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 02:01:18,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 02:01:18,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 02:01:18,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 02:01:18,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 02:01:18,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 02:01:18,390 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 02:01:18,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 02:01:18,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 02:01:18,394 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 02:01:18,395 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 02:01:18,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 02:01:18,396 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 02:01:18,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 02:01:18,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 02:01:18,400 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 02:01:18,401 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 02:01:18,402 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 02:01:18,402 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 02:01:18,403 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 02:01:18,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 02:01:18,404 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 02:01:18,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 02:01:18,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 02:01:18,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 02:01:18,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 02:01:18,406 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 02:01:18,407 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 02:01:18,407 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 02:01:18,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 02:01:18,408 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 02:01:18,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 02:01:18,411 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 02:01:18,440 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 02:01:18,440 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 02:01:18,440 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 02:01:18,440 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 02:01:18,441 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 02:01:18,441 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 02:01:18,441 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 02:01:18,441 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 02:01:18,442 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 02:01:18,442 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 02:01:18,442 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 02:01:18,442 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 02:01:18,442 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 02:01:18,442 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 02:01:18,443 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 02:01:18,443 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 02:01:18,443 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 02:01:18,443 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 02:01:18,443 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 02:01:18,443 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 02:01:18,444 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 02:01:18,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:01:18,444 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 02:01:18,444 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 02:01:18,444 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 02:01:18,445 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 02:01:18,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 02:01:18,445 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 02:01:18,445 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 02:01:18,445 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 02:01:18,446 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45acb2c796116b4df93c0e090b1e242e2e986b4d7b1240180279cd2f8660db26 [2022-07-23 02:01:18,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 02:01:18,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 02:01:18,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 02:01:18,720 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 02:01:18,721 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 02:01:18,723 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2022-07-23 02:01:18,785 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe5da88a8/15b2a481bae041f095ef6eca9ff29cc1/FLAGb33c3d7fd [2022-07-23 02:01:19,643 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 02:01:19,644 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2022-07-23 02:01:19,696 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe5da88a8/15b2a481bae041f095ef6eca9ff29cc1/FLAGb33c3d7fd [2022-07-23 02:01:19,800 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe5da88a8/15b2a481bae041f095ef6eca9ff29cc1 [2022-07-23 02:01:19,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 02:01:19,803 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 02:01:19,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 02:01:19,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 02:01:19,807 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 02:01:19,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:01:19" (1/1) ... [2022-07-23 02:01:19,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bf465b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:19, skipping insertion in model container [2022-07-23 02:01:19,809 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:01:19" (1/1) ... [2022-07-23 02:01:19,814 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 02:01:19,948 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:01:23,635 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480731,480744] [2022-07-23 02:01:23,638 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480876,480889] [2022-07-23 02:01:23,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:01:23,725 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 02:01:24,175 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480731,480744] [2022-07-23 02:01:24,176 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480876,480889] [2022-07-23 02:01:24,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:01:24,369 INFO L208 MainTranslator]: Completed translation [2022-07-23 02:01:24,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:24 WrapperNode [2022-07-23 02:01:24,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 02:01:24,371 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 02:01:24,371 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 02:01:24,371 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 02:01:24,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:24" (1/1) ... [2022-07-23 02:01:24,487 ERROR L1136 TypeChecker]: C: lp->phy[lp->active].spd.value [10576]: Undeclared identifier #t~mem1641 in IdentifierExpression[#t~mem1641,] [2022-07-23 02:01:24,546 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:24" (1/1) ... [2022-07-23 02:01:24,547 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 02:01:24,547 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2022-07-23 02:01:24,549 INFO L158 Benchmark]: Toolchain (without parser) took 4745.08ms. Allocated memory was 123.7MB in the beginning and 266.3MB in the end (delta: 142.6MB). Free memory was 84.9MB in the beginning and 118.9MB in the end (delta: -34.0MB). Peak memory consumption was 108.3MB. Max. memory is 16.1GB. [2022-07-23 02:01:24,550 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 90.2MB. Free memory was 63.9MB in the beginning and 63.9MB in the end (delta: 29.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 02:01:24,550 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4565.58ms. Allocated memory was 123.7MB in the beginning and 266.3MB in the end (delta: 142.6MB). Free memory was 84.9MB in the beginning and 128.4MB in the end (delta: -43.4MB). Peak memory consumption was 125.1MB. Max. memory is 16.1GB. [2022-07-23 02:01:24,551 INFO L158 Benchmark]: Boogie Procedure Inliner took 176.72ms. Allocated memory is still 266.3MB. Free memory was 127.3MB in the beginning and 118.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-23 02:01:24,553 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 90.2MB. Free memory was 63.9MB in the beginning and 63.9MB in the end (delta: 29.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4565.58ms. Allocated memory was 123.7MB in the beginning and 266.3MB in the end (delta: 142.6MB). Free memory was 84.9MB in the beginning and 128.4MB in the end (delta: -43.4MB). Peak memory consumption was 125.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 176.72ms. Allocated memory is still 266.3MB. Free memory was 127.3MB in the beginning and 118.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - TypeErrorResult [Line: 10576]: Type Error Undeclared identifier #t~mem1641 in IdentifierExpression[#t~mem1641,] RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 45acb2c796116b4df93c0e090b1e242e2e986b4d7b1240180279cd2f8660db26 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 02:01:26,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 02:01:26,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 02:01:26,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 02:01:26,410 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 02:01:26,411 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 02:01:26,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 02:01:26,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 02:01:26,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 02:01:26,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 02:01:26,419 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 02:01:26,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 02:01:26,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 02:01:26,421 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 02:01:26,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 02:01:26,423 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 02:01:26,425 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 02:01:26,426 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 02:01:26,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 02:01:26,431 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 02:01:26,434 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 02:01:26,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 02:01:26,436 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 02:01:26,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 02:01:26,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 02:01:26,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 02:01:26,448 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 02:01:26,448 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 02:01:26,449 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 02:01:26,450 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 02:01:26,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 02:01:26,451 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 02:01:26,452 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 02:01:26,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 02:01:26,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 02:01:26,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 02:01:26,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 02:01:26,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 02:01:26,454 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 02:01:26,455 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 02:01:26,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 02:01:26,458 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 02:01:26,460 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 02:01:26,485 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 02:01:26,485 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 02:01:26,486 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 02:01:26,486 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 02:01:26,486 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 02:01:26,487 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 02:01:26,487 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 02:01:26,488 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 02:01:26,488 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 02:01:26,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 02:01:26,489 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 02:01:26,489 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 02:01:26,489 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 02:01:26,489 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 02:01:26,490 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 02:01:26,490 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 02:01:26,490 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 02:01:26,490 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 02:01:26,490 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 02:01:26,491 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 02:01:26,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 02:01:26,491 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 02:01:26,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 02:01:26,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:01:26,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 02:01:26,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 02:01:26,492 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 02:01:26,492 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 02:01:26,493 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 02:01:26,493 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 02:01:26,493 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 02:01:26,493 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 02:01:26,494 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 02:01:26,494 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45acb2c796116b4df93c0e090b1e242e2e986b4d7b1240180279cd2f8660db26 [2022-07-23 02:01:26,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 02:01:26,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 02:01:26,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 02:01:26,847 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 02:01:26,847 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 02:01:26,848 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2022-07-23 02:01:26,897 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2070a7415/60503c76f94d42048b410645f3776ada/FLAG5de2e5b62 [2022-07-23 02:01:27,791 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 02:01:27,792 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2022-07-23 02:01:27,862 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2070a7415/60503c76f94d42048b410645f3776ada/FLAG5de2e5b62 [2022-07-23 02:01:28,224 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2070a7415/60503c76f94d42048b410645f3776ada [2022-07-23 02:01:28,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 02:01:28,227 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 02:01:28,230 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 02:01:28,231 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 02:01:28,234 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 02:01:28,245 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:01:28" (1/1) ... [2022-07-23 02:01:28,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66e6f6f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:28, skipping insertion in model container [2022-07-23 02:01:28,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:01:28" (1/1) ... [2022-07-23 02:01:28,252 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 02:01:28,406 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:01:32,020 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480731,480744] [2022-07-23 02:01:32,023 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480876,480889] [2022-07-23 02:01:32,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:01:32,121 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 02:01:32,194 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:01:32,620 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480731,480744] [2022-07-23 02:01:32,620 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480876,480889] [2022-07-23 02:01:32,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:01:32,652 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 02:01:33,124 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480731,480744] [2022-07-23 02:01:33,125 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480876,480889] [2022-07-23 02:01:33,130 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:01:33,383 INFO L208 MainTranslator]: Completed translation [2022-07-23 02:01:33,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:33 WrapperNode [2022-07-23 02:01:33,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 02:01:33,385 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 02:01:33,385 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 02:01:33,385 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 02:01:33,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:33" (1/1) ... [2022-07-23 02:01:33,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:33" (1/1) ... [2022-07-23 02:01:33,769 INFO L137 Inliner]: procedures = 557, calls = 4199, calls flagged for inlining = 248, calls inlined = 232, statements flattened = 8432 [2022-07-23 02:01:33,770 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 02:01:33,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 02:01:33,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 02:01:33,771 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 02:01:33,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:33" (1/1) ... [2022-07-23 02:01:33,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:33" (1/1) ... [2022-07-23 02:01:33,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:33" (1/1) ... [2022-07-23 02:01:33,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:33" (1/1) ... [2022-07-23 02:01:34,090 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:33" (1/1) ... [2022-07-23 02:01:34,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:33" (1/1) ... [2022-07-23 02:01:34,189 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:33" (1/1) ... [2022-07-23 02:01:34,252 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 02:01:34,254 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 02:01:34,254 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 02:01:34,254 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 02:01:34,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:33" (1/1) ... [2022-07-23 02:01:34,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:01:34,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 02:01:34,282 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) [2022-07-23 02:01:34,306 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 [2022-07-23 02:01:34,319 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2022-07-23 02:01:34,319 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2022-07-23 02:01:34,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_92 [2022-07-23 02:01:34,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_92 [2022-07-23 02:01:34,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 02:01:34,320 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 02:01:34,320 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 02:01:34,320 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 02:01:34,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 02:01:34,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 02:01:34,320 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2022-07-23 02:01:34,321 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2022-07-23 02:01:34,321 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2022-07-23 02:01:34,321 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2022-07-23 02:01:34,321 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-07-23 02:01:34,321 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-07-23 02:01:34,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_de4x5_private [2022-07-23 02:01:34,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_de4x5_private [2022-07-23 02:01:34,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_de4x5_private [2022-07-23 02:01:34,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_de4x5_private [2022-07-23 02:01:34,322 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2022-07-23 02:01:34,322 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2022-07-23 02:01:34,322 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2022-07-23 02:01:34,323 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2022-07-23 02:01:34,323 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 02:01:34,327 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 02:01:34,327 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2022-07-23 02:01:34,327 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2022-07-23 02:01:34,327 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 02:01:34,328 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 02:01:34,328 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2022-07-23 02:01:34,328 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2022-07-23 02:01:34,328 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2022-07-23 02:01:34,328 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2022-07-23 02:01:34,329 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-23 02:01:34,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-23 02:01:34,329 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2022-07-23 02:01:34,329 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2022-07-23 02:01:34,329 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-23 02:01:34,330 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-23 02:01:34,330 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2022-07-23 02:01:34,330 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2022-07-23 02:01:34,330 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-07-23 02:01:34,330 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-07-23 02:01:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 02:01:34,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 02:01:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2022-07-23 02:01:34,332 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2022-07-23 02:01:34,332 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-07-23 02:01:34,332 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-07-23 02:01:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 02:01:34,333 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 02:01:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 02:01:34,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 02:01:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2022-07-23 02:01:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2022-07-23 02:01:34,334 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2022-07-23 02:01:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 02:01:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-07-23 02:01:34,335 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-07-23 02:01:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 02:01:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-07-23 02:01:34,335 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-07-23 02:01:34,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 02:01:34,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-23 02:01:34,336 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-07-23 02:01:34,336 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-07-23 02:01:34,337 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2022-07-23 02:01:34,337 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2022-07-23 02:01:34,337 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 02:01:34,337 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 02:01:34,337 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-07-23 02:01:34,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-07-23 02:01:34,338 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-23 02:01:34,338 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-23 02:01:34,338 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2022-07-23 02:01:34,338 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2022-07-23 02:01:34,338 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2022-07-23 02:01:34,338 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2022-07-23 02:01:34,338 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 02:01:34,339 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 02:01:34,339 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-23 02:01:34,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-23 02:01:34,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 02:01:34,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 02:01:34,340 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~C_INT [2022-07-23 02:01:34,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~C_INT [2022-07-23 02:01:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 02:01:34,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 02:01:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 02:01:34,341 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 02:01:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-23 02:01:34,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-23 02:01:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-23 02:01:34,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-23 02:01:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2022-07-23 02:01:34,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2022-07-23 02:01:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 02:01:34,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 02:01:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-23 02:01:34,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-23 02:01:34,343 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2022-07-23 02:01:34,343 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2022-07-23 02:01:34,343 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-23 02:01:34,343 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-23 02:01:34,344 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-23 02:01:34,344 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-23 02:01:34,344 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2022-07-23 02:01:34,345 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2022-07-23 02:01:34,347 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-07-23 02:01:34,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-07-23 02:01:34,347 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2022-07-23 02:01:34,347 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2022-07-23 02:01:34,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 02:01:34,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-23 02:01:34,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-23 02:01:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-23 02:01:34,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-23 02:01:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2022-07-23 02:01:34,355 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2022-07-23 02:01:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 02:01:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2022-07-23 02:01:34,355 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2022-07-23 02:01:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 02:01:34,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 02:01:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 02:01:34,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 02:01:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 02:01:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-23 02:01:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-23 02:01:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 02:01:34,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 02:01:34,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-23 02:01:34,357 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2022-07-23 02:01:34,357 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2022-07-23 02:01:34,357 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-07-23 02:01:34,357 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-07-23 02:01:34,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-23 02:01:34,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-23 02:01:34,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-23 02:01:34,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-23 02:01:34,358 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2022-07-23 02:01:34,358 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2022-07-23 02:01:34,358 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2022-07-23 02:01:34,358 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2022-07-23 02:01:34,358 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2022-07-23 02:01:34,358 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2022-07-23 02:01:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-23 02:01:34,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-23 02:01:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2022-07-23 02:01:34,359 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2022-07-23 02:01:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 02:01:34,359 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 02:01:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2022-07-23 02:01:34,360 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2022-07-23 02:01:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-23 02:01:34,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-23 02:01:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-23 02:01:34,360 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-23 02:01:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-23 02:01:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2022-07-23 02:01:34,361 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2022-07-23 02:01:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2022-07-23 02:01:34,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2022-07-23 02:01:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 02:01:34,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 02:01:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2022-07-23 02:01:34,361 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2022-07-23 02:01:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 02:01:34,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-23 02:01:34,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-23 02:01:34,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-23 02:01:34,362 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2022-07-23 02:01:34,362 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2022-07-23 02:01:34,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 02:01:34,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 02:01:34,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-23 02:01:34,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 02:01:34,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 02:01:34,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 02:01:34,364 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2022-07-23 02:01:34,364 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2022-07-23 02:01:34,364 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-23 02:01:34,364 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-23 02:01:34,364 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2022-07-23 02:01:34,364 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2022-07-23 02:01:34,364 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2022-07-23 02:01:34,364 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2022-07-23 02:01:34,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-23 02:01:34,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-23 02:01:34,365 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2022-07-23 02:01:34,365 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2022-07-23 02:01:34,365 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2022-07-23 02:01:34,365 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2022-07-23 02:01:34,365 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2022-07-23 02:01:34,366 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2022-07-23 02:01:34,366 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2022-07-23 02:01:34,366 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2022-07-23 02:01:34,366 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2022-07-23 02:01:34,366 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2022-07-23 02:01:34,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 02:01:34,366 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 02:01:34,366 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2022-07-23 02:01:34,367 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2022-07-23 02:01:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 02:01:34,367 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 02:01:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2022-07-23 02:01:34,367 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2022-07-23 02:01:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-23 02:01:34,367 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-23 02:01:34,368 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2022-07-23 02:01:34,368 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2022-07-23 02:01:34,368 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2022-07-23 02:01:34,368 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2022-07-23 02:01:34,368 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-23 02:01:34,368 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-23 02:01:34,368 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_pci_remove [2022-07-23 02:01:34,369 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_pci_remove [2022-07-23 02:01:34,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 02:01:34,369 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2022-07-23 02:01:34,369 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2022-07-23 02:01:34,369 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2022-07-23 02:01:34,369 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2022-07-23 02:01:34,369 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2022-07-23 02:01:34,369 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2022-07-23 02:01:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2022-07-23 02:01:34,370 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2022-07-23 02:01:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 02:01:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2022-07-23 02:01:34,370 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2022-07-23 02:01:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-07-23 02:01:34,370 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-07-23 02:01:34,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-23 02:01:34,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 02:01:34,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 02:01:34,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 02:01:34,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 02:01:34,374 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-23 02:01:34,375 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-23 02:01:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2022-07-23 02:01:34,375 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2022-07-23 02:01:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-07-23 02:01:34,375 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-07-23 02:01:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2022-07-23 02:01:34,375 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2022-07-23 02:01:34,376 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2022-07-23 02:01:34,377 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2022-07-23 02:01:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 02:01:34,377 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 02:01:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-23 02:01:34,377 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-23 02:01:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-23 02:01:34,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-23 02:01:34,378 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2022-07-23 02:01:34,378 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2022-07-23 02:01:34,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 02:01:34,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 02:01:34,378 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-07-23 02:01:34,378 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-07-23 02:01:34,378 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2022-07-23 02:01:34,378 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2022-07-23 02:01:34,379 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2022-07-23 02:01:34,379 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2022-07-23 02:01:34,379 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2022-07-23 02:01:34,379 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2022-07-23 02:01:34,379 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2022-07-23 02:01:34,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2022-07-23 02:01:34,379 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-23 02:01:34,379 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-23 02:01:34,380 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-23 02:01:34,380 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-23 02:01:34,380 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 02:01:34,380 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 02:01:34,380 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2022-07-23 02:01:34,380 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2022-07-23 02:01:34,380 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 02:01:34,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 02:01:34,381 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-23 02:01:34,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-23 02:01:34,381 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_infoleaf [2022-07-23 02:01:34,381 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_infoleaf [2022-07-23 02:01:34,381 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2022-07-23 02:01:34,381 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2022-07-23 02:01:34,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-23 02:01:34,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-23 02:01:34,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-23 02:01:34,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-23 02:01:34,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 02:01:34,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 02:01:34,382 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2022-07-23 02:01:34,382 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2022-07-23 02:01:34,382 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-23 02:01:34,383 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-23 02:01:34,383 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2022-07-23 02:01:34,383 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2022-07-23 02:01:34,383 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-23 02:01:34,383 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-23 02:01:34,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_96 [2022-07-23 02:01:34,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_96 [2022-07-23 02:01:34,384 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2022-07-23 02:01:34,384 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2022-07-23 02:01:34,384 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2022-07-23 02:01:34,384 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2022-07-23 02:01:34,384 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2022-07-23 02:01:34,384 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2022-07-23 02:01:34,384 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2022-07-23 02:01:34,384 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2022-07-23 02:01:34,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 02:01:34,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 02:01:34,385 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2022-07-23 02:01:34,385 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2022-07-23 02:01:34,385 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2022-07-23 02:01:34,385 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2022-07-23 02:01:34,385 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2022-07-23 02:01:34,385 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2022-07-23 02:01:34,386 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2022-07-23 02:01:34,386 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2022-07-23 02:01:34,386 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2022-07-23 02:01:34,386 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2022-07-23 02:01:34,386 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2022-07-23 02:01:34,386 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2022-07-23 02:01:34,386 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-23 02:01:34,387 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-23 02:01:34,387 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2022-07-23 02:01:34,387 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2022-07-23 02:01:34,387 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_strncmp [2022-07-23 02:01:34,387 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_strncmp [2022-07-23 02:01:34,387 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-07-23 02:01:34,387 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-07-23 02:01:34,387 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2022-07-23 02:01:34,388 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2022-07-23 02:01:34,388 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2022-07-23 02:01:34,388 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2022-07-23 02:01:34,388 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2022-07-23 02:01:34,388 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2022-07-23 02:01:34,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 02:01:34,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 02:01:34,389 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-23 02:01:35,451 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 02:01:35,454 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 02:01:37,943 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 02:02:56,793 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-23 02:02:57,943 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 02:02:57,971 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 02:02:57,971 INFO L299 CfgBuilder]: Removed 17 assume(true) statements. [2022-07-23 02:02:57,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:02:57 BoogieIcfgContainer [2022-07-23 02:02:57,978 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 02:02:57,979 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 02:02:57,979 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 02:02:57,982 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 02:02:57,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 02:01:28" (1/3) ... [2022-07-23 02:02:57,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@397c9ef3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:02:57, skipping insertion in model container [2022-07-23 02:02:57,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:33" (2/3) ... [2022-07-23 02:02:57,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@397c9ef3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:02:57, skipping insertion in model container [2022-07-23 02:02:57,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:02:57" (3/3) ... [2022-07-23 02:02:57,985 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2022-07-23 02:02:57,997 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 02:02:57,998 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 02:02:58,136 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 02:02:58,148 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=PETRI_NET, 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@460868e5, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2a954726 [2022-07-23 02:02:58,148 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 02:02:58,165 INFO L276 IsEmpty]: Start isEmpty. Operand has 3966 states, 2832 states have (on average 1.3555790960451977) internal successors, (3839), 2892 states have internal predecessors, (3839), 997 states have call successors, (997), 153 states have call predecessors, (997), 152 states have return successors, (990), 976 states have call predecessors, (990), 990 states have call successors, (990) [2022-07-23 02:02:58,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-07-23 02:02:58,213 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:02:58,214 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:02:58,214 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:02:58,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:02:58,220 INFO L85 PathProgramCache]: Analyzing trace with hash 442050857, now seen corresponding path program 1 times [2022-07-23 02:02:58,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:02:58,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1232811009] [2022-07-23 02:02:58,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:02:58,240 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:02:58,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:02:58,245 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:02:58,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 02:03:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:00,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 2108 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:03:00,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:03:00,906 INFO L134 CoverageAnalysis]: Checked inductivity of 993 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 948 trivial. 0 not checked. [2022-07-23 02:03:00,907 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:03:00,907 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:03:00,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1232811009] [2022-07-23 02:03:00,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1232811009] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:03:00,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:03:00,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:03:00,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875719862] [2022-07-23 02:03:00,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:03:00,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:03:00,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:03:00,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:03:00,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:03:00,948 INFO L87 Difference]: Start difference. First operand has 3966 states, 2832 states have (on average 1.3555790960451977) internal successors, (3839), 2892 states have internal predecessors, (3839), 997 states have call successors, (997), 153 states have call predecessors, (997), 152 states have return successors, (990), 976 states have call predecessors, (990), 990 states have call successors, (990) Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-23 02:03:03,145 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:03:04,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:03:04,811 INFO L93 Difference]: Finished difference Result 10933 states and 16389 transitions. [2022-07-23 02:03:04,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:03:04,814 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 224 [2022-07-23 02:03:04,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:03:04,918 INFO L225 Difference]: With dead ends: 10933 [2022-07-23 02:03:04,918 INFO L226 Difference]: Without dead ends: 6939 [2022-07-23 02:03:04,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:03:04,982 INFO L413 NwaCegarLoop]: 6557 mSDtfsCounter, 4507 mSDsluCounter, 5657 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4507 SdHoareTripleChecker+Valid, 12214 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-07-23 02:03:04,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4507 Valid, 12214 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 66 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-07-23 02:03:05,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6939 states. [2022-07-23 02:03:05,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6939 to 6936. [2022-07-23 02:03:05,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6936 states, 4938 states have (on average 1.3529769137302552) internal successors, (6681), 5017 states have internal predecessors, (6681), 1720 states have call successors, (1720), 277 states have call predecessors, (1720), 277 states have return successors, (1720), 1694 states have call predecessors, (1720), 1720 states have call successors, (1720) [2022-07-23 02:03:05,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6936 states to 6936 states and 10121 transitions. [2022-07-23 02:03:05,489 INFO L78 Accepts]: Start accepts. Automaton has 6936 states and 10121 transitions. Word has length 224 [2022-07-23 02:03:05,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:03:05,492 INFO L495 AbstractCegarLoop]: Abstraction has 6936 states and 10121 transitions. [2022-07-23 02:03:05,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-23 02:03:05,493 INFO L276 IsEmpty]: Start isEmpty. Operand 6936 states and 10121 transitions. [2022-07-23 02:03:05,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-07-23 02:03:05,519 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:03:05,520 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:03:05,579 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-23 02:03:05,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:03:05,740 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:03:05,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:03:05,741 INFO L85 PathProgramCache]: Analyzing trace with hash 43733265, now seen corresponding path program 1 times [2022-07-23 02:03:05,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:03:05,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1486564072] [2022-07-23 02:03:05,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:03:05,745 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:03:05,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:03:05,748 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:03:05,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 02:03:08,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:08,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 2454 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:03:08,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:03:08,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-07-23 02:03:08,669 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:03:08,670 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:03:08,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1486564072] [2022-07-23 02:03:08,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1486564072] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:03:08,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:03:08,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:03:08,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981285364] [2022-07-23 02:03:08,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:03:08,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:03:08,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:03:08,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:03:08,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:03:08,673 INFO L87 Difference]: Start difference. First operand 6936 states and 10121 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-23 02:03:10,812 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:03:12,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:03:12,112 INFO L93 Difference]: Finished difference Result 20652 states and 30146 transitions. [2022-07-23 02:03:12,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:03:12,113 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 264 [2022-07-23 02:03:12,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:03:12,250 INFO L225 Difference]: With dead ends: 20652 [2022-07-23 02:03:12,250 INFO L226 Difference]: Without dead ends: 13751 [2022-07-23 02:03:12,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:03:12,316 INFO L413 NwaCegarLoop]: 6600 mSDtfsCounter, 5530 mSDsluCounter, 5617 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5530 SdHoareTripleChecker+Valid, 12217 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-23 02:03:12,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5530 Valid, 12217 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-07-23 02:03:12,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13751 states. [2022-07-23 02:03:12,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13751 to 13747. [2022-07-23 02:03:12,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13747 states, 9787 states have (on average 1.3537345458260959) internal successors, (13249), 9945 states have internal predecessors, (13249), 3405 states have call successors, (3405), 554 states have call predecessors, (3405), 554 states have return successors, (3408), 3353 states have call predecessors, (3408), 3405 states have call successors, (3408) [2022-07-23 02:03:13,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13747 states to 13747 states and 20062 transitions. [2022-07-23 02:03:13,040 INFO L78 Accepts]: Start accepts. Automaton has 13747 states and 20062 transitions. Word has length 264 [2022-07-23 02:03:13,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:03:13,042 INFO L495 AbstractCegarLoop]: Abstraction has 13747 states and 20062 transitions. [2022-07-23 02:03:13,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-23 02:03:13,044 INFO L276 IsEmpty]: Start isEmpty. Operand 13747 states and 20062 transitions. [2022-07-23 02:03:13,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2022-07-23 02:03:13,066 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:03:13,066 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:03:13,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-23 02:03:13,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:03:13,280 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:03:13,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:03:13,281 INFO L85 PathProgramCache]: Analyzing trace with hash -658485942, now seen corresponding path program 1 times [2022-07-23 02:03:13,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:03:13,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1041040883] [2022-07-23 02:03:13,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:03:13,283 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:03:13,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:03:13,285 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:03:13,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-23 02:03:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:15,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 2439 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:03:15,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:03:16,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-07-23 02:03:16,150 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:03:16,150 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:03:16,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1041040883] [2022-07-23 02:03:16,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1041040883] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:03:16,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:03:16,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:03:16,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598582052] [2022-07-23 02:03:16,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:03:16,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:03:16,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:03:16,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:03:16,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:03:16,158 INFO L87 Difference]: Start difference. First operand 13747 states and 20062 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-23 02:03:18,292 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:03:19,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:03:19,927 INFO L93 Difference]: Finished difference Result 40999 states and 59852 transitions. [2022-07-23 02:03:19,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:03:19,928 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 267 [2022-07-23 02:03:19,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:03:20,208 INFO L225 Difference]: With dead ends: 40999 [2022-07-23 02:03:20,208 INFO L226 Difference]: Without dead ends: 27287 [2022-07-23 02:03:20,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:03:20,328 INFO L413 NwaCegarLoop]: 6600 mSDtfsCounter, 5529 mSDsluCounter, 5617 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5529 SdHoareTripleChecker+Valid, 12217 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-23 02:03:20,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5529 Valid, 12217 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-07-23 02:03:20,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27287 states. [2022-07-23 02:03:21,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27287 to 27281. [2022-07-23 02:03:21,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27281 states, 19417 states have (on average 1.3541226760055622) internal successors, (26293), 19733 states have internal predecessors, (26293), 6755 states have call successors, (6755), 1108 states have call predecessors, (6755), 1108 states have return successors, (6767), 6651 states have call predecessors, (6767), 6755 states have call successors, (6767) [2022-07-23 02:03:21,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27281 states to 27281 states and 39815 transitions. [2022-07-23 02:03:21,947 INFO L78 Accepts]: Start accepts. Automaton has 27281 states and 39815 transitions. Word has length 267 [2022-07-23 02:03:21,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:03:21,949 INFO L495 AbstractCegarLoop]: Abstraction has 27281 states and 39815 transitions. [2022-07-23 02:03:21,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-23 02:03:21,950 INFO L276 IsEmpty]: Start isEmpty. Operand 27281 states and 39815 transitions. [2022-07-23 02:03:21,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2022-07-23 02:03:21,973 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:03:21,973 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:03:22,057 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-23 02:03:22,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:03:22,188 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:03:22,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:03:22,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1854398951, now seen corresponding path program 1 times [2022-07-23 02:03:22,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:03:22,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1146998651] [2022-07-23 02:03:22,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:03:22,191 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:03:22,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:03:22,196 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:03:22,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-23 02:03:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:24,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 2437 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:03:24,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:03:24,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-07-23 02:03:24,898 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:03:24,898 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:03:24,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1146998651] [2022-07-23 02:03:24,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1146998651] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:03:24,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:03:24,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:03:24,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085493210] [2022-07-23 02:03:24,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:03:24,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:03:24,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:03:24,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:03:24,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:03:24,900 INFO L87 Difference]: Start difference. First operand 27281 states and 39815 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-23 02:03:27,028 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:03:28,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:03:28,987 INFO L93 Difference]: Finished difference Result 79434 states and 115883 transitions. [2022-07-23 02:03:28,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:03:28,988 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 268 [2022-07-23 02:03:28,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:03:29,491 INFO L225 Difference]: With dead ends: 79434 [2022-07-23 02:03:29,491 INFO L226 Difference]: Without dead ends: 52188 [2022-07-23 02:03:29,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:03:29,730 INFO L413 NwaCegarLoop]: 6600 mSDtfsCounter, 5528 mSDsluCounter, 5617 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5528 SdHoareTripleChecker+Valid, 12217 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-23 02:03:29,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5528 Valid, 12217 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-07-23 02:03:29,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52188 states. [2022-07-23 02:03:31,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52188 to 52170. [2022-07-23 02:03:32,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52170 states, 37144 states have (on average 1.353462201163041) internal successors, (50273), 37753 states have internal predecessors, (50273), 12876 states have call successors, (12876), 2149 states have call predecessors, (12876), 2149 states have return successors, (12912), 12676 states have call predecessors, (12912), 12876 states have call successors, (12912) [2022-07-23 02:03:32,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52170 states to 52170 states and 76061 transitions. [2022-07-23 02:03:32,959 INFO L78 Accepts]: Start accepts. Automaton has 52170 states and 76061 transitions. Word has length 268 [2022-07-23 02:03:32,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:03:32,960 INFO L495 AbstractCegarLoop]: Abstraction has 52170 states and 76061 transitions. [2022-07-23 02:03:32,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-23 02:03:32,960 INFO L276 IsEmpty]: Start isEmpty. Operand 52170 states and 76061 transitions. [2022-07-23 02:03:32,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-07-23 02:03:32,967 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:03:32,967 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:03:33,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-23 02:03:33,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:03:33,184 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:03:33,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:03:33,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1083184228, now seen corresponding path program 1 times [2022-07-23 02:03:33,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:03:33,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [583716063] [2022-07-23 02:03:33,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:03:33,188 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:03:33,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:03:33,190 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:03:33,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-23 02:03:35,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:35,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 2183 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:03:35,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:03:35,771 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 960 trivial. 0 not checked. [2022-07-23 02:03:35,771 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:03:35,771 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:03:35,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [583716063] [2022-07-23 02:03:35,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [583716063] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:03:35,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:03:35,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:03:35,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780089593] [2022-07-23 02:03:35,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:03:35,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:03:35,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:03:35,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:03:35,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:03:35,773 INFO L87 Difference]: Start difference. First operand 52170 states and 76061 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-07-23 02:03:37,930 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:03:40,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:03:40,773 INFO L93 Difference]: Finished difference Result 153282 states and 225709 transitions. [2022-07-23 02:03:40,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:03:40,774 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 269 [2022-07-23 02:03:40,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:03:41,802 INFO L225 Difference]: With dead ends: 153282 [2022-07-23 02:03:41,802 INFO L226 Difference]: Without dead ends: 101147 [2022-07-23 02:03:42,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:03:42,018 INFO L413 NwaCegarLoop]: 6674 mSDtfsCounter, 5417 mSDsluCounter, 5668 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5417 SdHoareTripleChecker+Valid, 12342 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-23 02:03:42,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5417 Valid, 12342 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-07-23 02:03:42,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101147 states. [2022-07-23 02:03:45,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101147 to 101115. [2022-07-23 02:03:45,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101115 states, 71849 states have (on average 1.3532964968197192) internal successors, (97233), 73105 states have internal predecessors, (97233), 25011 states have call successors, (25011), 4277 states have call predecessors, (25011), 4254 states have return successors, (27359), 24550 states have call predecessors, (27359), 25011 states have call successors, (27359) [2022-07-23 02:03:46,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101115 states to 101115 states and 149603 transitions. [2022-07-23 02:03:46,654 INFO L78 Accepts]: Start accepts. Automaton has 101115 states and 149603 transitions. Word has length 269 [2022-07-23 02:03:46,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:03:46,655 INFO L495 AbstractCegarLoop]: Abstraction has 101115 states and 149603 transitions. [2022-07-23 02:03:46,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-07-23 02:03:46,656 INFO L276 IsEmpty]: Start isEmpty. Operand 101115 states and 149603 transitions. [2022-07-23 02:03:46,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-07-23 02:03:46,672 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:03:46,673 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:03:46,733 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-23 02:03:46,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:03:46,888 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:03:46,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:03:46,889 INFO L85 PathProgramCache]: Analyzing trace with hash -100701965, now seen corresponding path program 1 times [2022-07-23 02:03:46,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:03:46,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2118581594] [2022-07-23 02:03:46,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:03:46,892 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:03:46,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:03:46,894 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:03:46,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-23 02:03:49,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:49,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 2247 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:03:49,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:03:50,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 1056 trivial. 0 not checked. [2022-07-23 02:03:50,455 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:03:50,455 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:03:50,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2118581594] [2022-07-23 02:03:50,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2118581594] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:03:50,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:03:50,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:03:50,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663028402] [2022-07-23 02:03:50,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:03:50,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:03:50,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:03:50,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:03:50,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:03:50,457 INFO L87 Difference]: Start difference. First operand 101115 states and 149603 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-23 02:03:52,584 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:03:57,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:03:57,729 INFO L93 Difference]: Finished difference Result 244778 states and 362195 transitions. [2022-07-23 02:03:57,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:03:57,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 284 [2022-07-23 02:03:57,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:03:59,131 INFO L225 Difference]: With dead ends: 244778 [2022-07-23 02:03:59,131 INFO L226 Difference]: Without dead ends: 143698 [2022-07-23 02:03:59,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:03:59,598 INFO L413 NwaCegarLoop]: 10105 mSDtfsCounter, 4445 mSDsluCounter, 5591 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4445 SdHoareTripleChecker+Valid, 15696 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-07-23 02:03:59,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4445 Valid, 15696 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 66 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-07-23 02:03:59,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143698 states. [2022-07-23 02:04:03,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143698 to 143680. [2022-07-23 02:04:04,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143680 states, 101907 states have (on average 1.3517717134249856) internal successors, (137755), 103691 states have internal predecessors, (137755), 35639 states have call successors, (35639), 6163 states have call predecessors, (35639), 6133 states have return successors, (38991), 34981 states have call predecessors, (38991), 35639 states have call successors, (38991) [2022-07-23 02:04:05,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143680 states to 143680 states and 212385 transitions. [2022-07-23 02:04:05,462 INFO L78 Accepts]: Start accepts. Automaton has 143680 states and 212385 transitions. Word has length 284 [2022-07-23 02:04:05,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:04:05,463 INFO L495 AbstractCegarLoop]: Abstraction has 143680 states and 212385 transitions. [2022-07-23 02:04:05,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-23 02:04:05,463 INFO L276 IsEmpty]: Start isEmpty. Operand 143680 states and 212385 transitions. [2022-07-23 02:04:05,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2022-07-23 02:04:05,481 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:04:05,481 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 15, 15, 15, 15, 15, 15, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:04:05,545 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-23 02:04:05,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:04:05,696 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:04:05,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:04:05,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1489193519, now seen corresponding path program 1 times [2022-07-23 02:04:05,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:04:05,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [496503152] [2022-07-23 02:04:05,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:04:05,699 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:04:05,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:04:05,700 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:04:05,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-23 02:04:07,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:07,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 2390 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:04:07,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:04:08,562 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2022-07-23 02:04:08,562 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:04:08,563 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:04:08,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [496503152] [2022-07-23 02:04:08,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [496503152] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:04:08,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:04:08,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:04:08,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273194448] [2022-07-23 02:04:08,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:04:08,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:04:08,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:04:08,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:04:08,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:04:08,565 INFO L87 Difference]: Start difference. First operand 143680 states and 212385 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-23 02:04:10,704 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:04:17,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:04:17,727 INFO L93 Difference]: Finished difference Result 329777 states and 487517 transitions. [2022-07-23 02:04:17,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:04:17,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 361 [2022-07-23 02:04:17,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:04:19,460 INFO L225 Difference]: With dead ends: 329777 [2022-07-23 02:04:19,460 INFO L226 Difference]: Without dead ends: 186132 [2022-07-23 02:04:20,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 359 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:04:20,363 INFO L413 NwaCegarLoop]: 10106 mSDtfsCounter, 4449 mSDsluCounter, 5598 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4449 SdHoareTripleChecker+Valid, 15704 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-07-23 02:04:20,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4449 Valid, 15704 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 61 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-07-23 02:04:20,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186132 states. [2022-07-23 02:04:26,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186132 to 186114. [2022-07-23 02:04:26,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186114 states, 131883 states have (on average 1.35115974007264) internal successors, (178195), 134195 states have internal predecessors, (178195), 46219 states have call successors, (46219), 8048 states have call predecessors, (46219), 8011 states have return successors, (50575), 45364 states have call predecessors, (50575), 46219 states have call successors, (50575)