./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 f4b24e32 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-?-f4b24e3 [2022-07-14 02:25:22,346 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 02:25:22,348 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 02:25:22,376 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 02:25:22,376 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 02:25:22,377 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 02:25:22,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 02:25:22,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 02:25:22,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 02:25:22,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 02:25:22,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 02:25:22,382 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 02:25:22,383 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 02:25:22,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 02:25:22,384 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 02:25:22,385 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 02:25:22,386 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 02:25:22,386 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 02:25:22,388 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 02:25:22,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 02:25:22,391 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 02:25:22,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 02:25:22,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 02:25:22,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 02:25:22,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 02:25:22,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 02:25:22,398 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 02:25:22,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 02:25:22,399 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 02:25:22,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 02:25:22,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 02:25:22,401 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 02:25:22,402 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 02:25:22,402 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 02:25:22,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 02:25:22,403 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 02:25:22,404 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 02:25:22,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 02:25:22,404 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 02:25:22,404 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 02:25:22,405 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 02:25:22,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 02:25:22,406 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 02:25:22,425 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 02:25:22,426 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 02:25:22,426 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 02:25:22,427 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 02:25:22,428 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 02:25:22,428 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 02:25:22,428 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 02:25:22,428 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 02:25:22,429 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 02:25:22,429 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 02:25:22,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 02:25:22,429 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 02:25:22,430 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 02:25:22,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 02:25:22,430 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 02:25:22,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 02:25:22,430 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 02:25:22,430 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 02:25:22,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 02:25:22,431 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 02:25:22,431 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 02:25:22,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:25:22,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 02:25:22,431 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 02:25:22,431 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 02:25:22,432 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 02:25:22,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 02:25:22,432 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 02:25:22,432 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 02:25:22,432 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 02:25:22,432 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45acb2c796116b4df93c0e090b1e242e2e986b4d7b1240180279cd2f8660db26 [2022-07-14 02:25:22,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 02:25:22,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 02:25:22,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 02:25:22,643 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 02:25:22,644 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 02:25:22,644 INFO L432 ainManager$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 [2022-07-14 02:25:22,687 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8970ce13e/27815fbc95264ae5b8d2e559c50d435e/FLAG2e9544bf2 [2022-07-14 02:25:23,408 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 02:25:23,410 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 [2022-07-14 02:25:23,456 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8970ce13e/27815fbc95264ae5b8d2e559c50d435e/FLAG2e9544bf2 [2022-07-14 02:25:23,480 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8970ce13e/27815fbc95264ae5b8d2e559c50d435e [2022-07-14 02:25:23,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 02:25:23,484 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 02:25:23,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 02:25:23,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 02:25:23,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 02:25:23,490 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:25:23" (1/1) ... [2022-07-14 02:25:23,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7efd1506 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:25:23, skipping insertion in model container [2022-07-14 02:25:23,491 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:25:23" (1/1) ... [2022-07-14 02:25:23,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 02:25:23,615 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 02:25:27,496 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] [2022-07-14 02:25:27,498 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] [2022-07-14 02:25:27,529 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:25:27,564 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 02:25:27,993 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] [2022-07-14 02:25:27,993 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] [2022-07-14 02:25:27,996 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:25:28,188 INFO L208 MainTranslator]: Completed translation [2022-07-14 02:25:28,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:25:28 WrapperNode [2022-07-14 02:25:28,204 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 02:25:28,205 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 02:25:28,205 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 02:25:28,205 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 02:25:28,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:25:28" (1/1) ... [2022-07-14 02:25:28,424 ERROR L1136 TypeChecker]: C: lp->phy[lp->active].spd.value [10576]: Undeclared identifier #t~mem1641 in IdentifierExpression[#t~mem1641,] [2022-07-14 02:25:28,486 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:25:28" (1/1) ... [2022-07-14 02:25:28,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 02:25:28,486 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2022-07-14 02:25:28,488 INFO L158 Benchmark]: Toolchain (without parser) took 5003.29ms. Allocated memory was 104.9MB in the beginning and 297.8MB in the end (delta: 192.9MB). Free memory was 72.7MB in the beginning and 186.3MB in the end (delta: -113.7MB). Peak memory consumption was 79.3MB. Max. memory is 16.1GB. [2022-07-14 02:25:28,488 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory was 59.0MB in the beginning and 58.9MB in the end (delta: 22.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 02:25:28,489 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4718.37ms. Allocated memory was 104.9MB in the beginning and 297.8MB in the end (delta: 192.9MB). Free memory was 72.3MB in the beginning and 194.7MB in the end (delta: -122.4MB). Peak memory consumption was 127.5MB. Max. memory is 16.1GB. [2022-07-14 02:25:28,489 INFO L158 Benchmark]: Boogie Procedure Inliner took 281.65ms. Allocated memory is still 297.8MB. Free memory was 194.7MB in the beginning and 186.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-14 02:25:28,490 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory was 59.0MB in the beginning and 58.9MB in the end (delta: 22.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4718.37ms. Allocated memory was 104.9MB in the beginning and 297.8MB in the end (delta: 192.9MB). Free memory was 72.3MB in the beginning and 194.7MB in the end (delta: -122.4MB). Peak memory consumption was 127.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 281.65ms. Allocated memory is still 297.8MB. Free memory was 194.7MB in the beginning and 186.3MB 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-?-f4b24e3 [2022-07-14 02:25:30,000 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 02:25:30,002 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 02:25:30,028 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 02:25:30,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 02:25:30,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 02:25:30,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 02:25:30,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 02:25:30,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 02:25:30,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 02:25:30,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 02:25:30,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 02:25:30,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 02:25:30,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 02:25:30,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 02:25:30,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 02:25:30,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 02:25:30,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 02:25:30,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 02:25:30,042 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 02:25:30,043 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 02:25:30,044 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 02:25:30,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 02:25:30,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 02:25:30,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 02:25:30,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 02:25:30,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 02:25:30,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 02:25:30,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 02:25:30,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 02:25:30,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 02:25:30,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 02:25:30,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 02:25:30,051 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 02:25:30,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 02:25:30,057 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 02:25:30,058 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 02:25:30,058 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 02:25:30,058 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 02:25:30,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 02:25:30,059 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 02:25:30,060 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 02:25:30,060 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 02:25:30,093 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 02:25:30,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 02:25:30,094 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 02:25:30,094 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 02:25:30,095 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 02:25:30,095 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 02:25:30,096 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 02:25:30,096 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 02:25:30,096 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 02:25:30,096 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 02:25:30,097 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 02:25:30,097 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 02:25:30,097 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 02:25:30,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 02:25:30,097 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 02:25:30,098 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 02:25:30,098 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 02:25:30,098 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 02:25:30,098 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 02:25:30,098 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 02:25:30,099 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 02:25:30,099 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 02:25:30,099 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 02:25:30,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:25:30,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 02:25:30,100 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 02:25:30,100 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 02:25:30,100 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 02:25:30,100 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 02:25:30,101 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 02:25:30,101 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 02:25:30,101 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 02:25:30,101 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 02:25:30,101 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45acb2c796116b4df93c0e090b1e242e2e986b4d7b1240180279cd2f8660db26 [2022-07-14 02:25:30,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 02:25:30,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 02:25:30,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 02:25:30,402 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 02:25:30,402 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 02:25:30,403 INFO L432 ainManager$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 [2022-07-14 02:25:30,465 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9755d66cb/f333f32f7aa642c7ad179a7c30371e06/FLAG1a4105729 [2022-07-14 02:25:31,368 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 02:25:31,369 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 [2022-07-14 02:25:31,411 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9755d66cb/f333f32f7aa642c7ad179a7c30371e06/FLAG1a4105729 [2022-07-14 02:25:31,840 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9755d66cb/f333f32f7aa642c7ad179a7c30371e06 [2022-07-14 02:25:31,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 02:25:31,846 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 02:25:31,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 02:25:31,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 02:25:31,851 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 02:25:31,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:25:31" (1/1) ... [2022-07-14 02:25:31,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f8e83c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:25:31, skipping insertion in model container [2022-07-14 02:25:31,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:25:31" (1/1) ... [2022-07-14 02:25:31,859 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 02:25:31,993 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 02:25:35,957 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] [2022-07-14 02:25:35,959 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] [2022-07-14 02:25:35,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:25:36,036 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 02:25:36,097 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 02:25:36,452 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] [2022-07-14 02:25:36,453 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] [2022-07-14 02:25:36,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:25:36,485 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 02:25:36,963 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] [2022-07-14 02:25:36,963 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] [2022-07-14 02:25:36,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:25:37,238 INFO L208 MainTranslator]: Completed translation [2022-07-14 02:25:37,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:25:37 WrapperNode [2022-07-14 02:25:37,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 02:25:37,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 02:25:37,240 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 02:25:37,240 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 02:25:37,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:25:37" (1/1) ... [2022-07-14 02:25:37,383 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:25:37" (1/1) ... [2022-07-14 02:25:37,605 INFO L137 Inliner]: procedures = 557, calls = 4199, calls flagged for inlining = 248, calls inlined = 232, statements flattened = 8432 [2022-07-14 02:25:37,606 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 02:25:37,607 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 02:25:37,607 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 02:25:37,607 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 02:25:37,613 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:25:37" (1/1) ... [2022-07-14 02:25:37,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:25:37" (1/1) ... [2022-07-14 02:25:37,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:25:37" (1/1) ... [2022-07-14 02:25:37,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:25:37" (1/1) ... [2022-07-14 02:25:37,832 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:25:37" (1/1) ... [2022-07-14 02:25:37,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:25:37" (1/1) ... [2022-07-14 02:25:37,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:25:37" (1/1) ... [2022-07-14 02:25:38,012 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 02:25:38,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 02:25:38,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 02:25:38,014 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 02:25:38,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:25:37" (1/1) ... [2022-07-14 02:25:38,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:25:38,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 02:25:38,066 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) [2022-07-14 02:25:38,083 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 [2022-07-14 02:25:38,105 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2022-07-14 02:25:38,105 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2022-07-14 02:25:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_92 [2022-07-14 02:25:38,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_92 [2022-07-14 02:25:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 02:25:38,106 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 02:25:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-14 02:25:38,106 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-14 02:25:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 02:25:38,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 02:25:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2022-07-14 02:25:38,107 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2022-07-14 02:25:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2022-07-14 02:25:38,107 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2022-07-14 02:25:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-07-14 02:25:38,107 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-07-14 02:25:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_de4x5_private [2022-07-14 02:25:38,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_de4x5_private [2022-07-14 02:25:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_de4x5_private [2022-07-14 02:25:38,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_de4x5_private [2022-07-14 02:25:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2022-07-14 02:25:38,108 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2022-07-14 02:25:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2022-07-14 02:25:38,108 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2022-07-14 02:25:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 02:25:38,109 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 02:25:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2022-07-14 02:25:38,110 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2022-07-14 02:25:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 02:25:38,110 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 02:25:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2022-07-14 02:25:38,110 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2022-07-14 02:25:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2022-07-14 02:25:38,111 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2022-07-14 02:25:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-14 02:25:38,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-14 02:25:38,112 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2022-07-14 02:25:38,112 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2022-07-14 02:25:38,112 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-14 02:25:38,112 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-14 02:25:38,112 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2022-07-14 02:25:38,113 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2022-07-14 02:25:38,113 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-07-14 02:25:38,113 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-07-14 02:25:38,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 02:25:38,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 02:25:38,114 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2022-07-14 02:25:38,115 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2022-07-14 02:25:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-07-14 02:25:38,116 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-07-14 02:25:38,116 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-14 02:25:38,116 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-14 02:25:38,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 02:25:38,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 02:25:38,117 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2022-07-14 02:25:38,117 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2022-07-14 02:25:38,117 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2022-07-14 02:25:38,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 02:25:38,118 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-07-14 02:25:38,118 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-07-14 02:25:38,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 02:25:38,118 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-07-14 02:25:38,118 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-07-14 02:25:38,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 02:25:38,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 02:25:38,119 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-07-14 02:25:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-07-14 02:25:38,119 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2022-07-14 02:25:38,119 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2022-07-14 02:25:38,119 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 02:25:38,120 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 02:25:38,120 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-07-14 02:25:38,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-07-14 02:25:38,120 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-14 02:25:38,120 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-14 02:25:38,120 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2022-07-14 02:25:38,120 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2022-07-14 02:25:38,120 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2022-07-14 02:25:38,120 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2022-07-14 02:25:38,121 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 02:25:38,121 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 02:25:38,121 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 02:25:38,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 02:25:38,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 02:25:38,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 02:25:38,122 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~C_INT [2022-07-14 02:25:38,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~C_INT [2022-07-14 02:25:38,122 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 02:25:38,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 02:25:38,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 02:25:38,123 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 02:25:38,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-14 02:25:38,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-14 02:25:38,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-14 02:25:38,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-14 02:25:38,123 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2022-07-14 02:25:38,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2022-07-14 02:25:38,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-14 02:25:38,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-14 02:25:38,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-14 02:25:38,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-14 02:25:38,124 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2022-07-14 02:25:38,124 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2022-07-14 02:25:38,124 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 02:25:38,124 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 02:25:38,125 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-14 02:25:38,125 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-14 02:25:38,125 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2022-07-14 02:25:38,126 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2022-07-14 02:25:38,127 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-07-14 02:25:38,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-07-14 02:25:38,128 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2022-07-14 02:25:38,128 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2022-07-14 02:25:38,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 02:25:38,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-14 02:25:38,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-14 02:25:38,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-14 02:25:38,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-14 02:25:38,133 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2022-07-14 02:25:38,133 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2022-07-14 02:25:38,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 02:25:38,134 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2022-07-14 02:25:38,134 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2022-07-14 02:25:38,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 02:25:38,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 02:25:38,134 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 02:25:38,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 02:25:38,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 02:25:38,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 02:25:38,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 02:25:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 02:25:38,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 02:25:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 02:25:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2022-07-14 02:25:38,139 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2022-07-14 02:25:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-07-14 02:25:38,139 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-07-14 02:25:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-14 02:25:38,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-14 02:25:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-14 02:25:38,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-14 02:25:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2022-07-14 02:25:38,139 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2022-07-14 02:25:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2022-07-14 02:25:38,140 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2022-07-14 02:25:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2022-07-14 02:25:38,140 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2022-07-14 02:25:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-14 02:25:38,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-14 02:25:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2022-07-14 02:25:38,140 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2022-07-14 02:25:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 02:25:38,140 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 02:25:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2022-07-14 02:25:38,140 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2022-07-14 02:25:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-14 02:25:38,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-14 02:25:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-14 02:25:38,140 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-14 02:25:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 02:25:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2022-07-14 02:25:38,140 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2022-07-14 02:25:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2022-07-14 02:25:38,140 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2022-07-14 02:25:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 02:25:38,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 02:25:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2022-07-14 02:25:38,141 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2022-07-14 02:25:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 02:25:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-14 02:25:38,141 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-14 02:25:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 02:25:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2022-07-14 02:25:38,141 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2022-07-14 02:25:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 02:25:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 02:25:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 02:25:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 02:25:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 02:25:38,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 02:25:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2022-07-14 02:25:38,141 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2022-07-14 02:25:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-14 02:25:38,141 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-14 02:25:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2022-07-14 02:25:38,141 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2022-07-14 02:25:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2022-07-14 02:25:38,141 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2022-07-14 02:25:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-14 02:25:38,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-14 02:25:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2022-07-14 02:25:38,142 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2022-07-14 02:25:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2022-07-14 02:25:38,142 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2022-07-14 02:25:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2022-07-14 02:25:38,142 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2022-07-14 02:25:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2022-07-14 02:25:38,142 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2022-07-14 02:25:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2022-07-14 02:25:38,142 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2022-07-14 02:25:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 02:25:38,142 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 02:25:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2022-07-14 02:25:38,142 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2022-07-14 02:25:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-14 02:25:38,142 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-14 02:25:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2022-07-14 02:25:38,142 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2022-07-14 02:25:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-14 02:25:38,142 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-14 02:25:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2022-07-14 02:25:38,142 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2022-07-14 02:25:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2022-07-14 02:25:38,142 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2022-07-14 02:25:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-14 02:25:38,142 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-14 02:25:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_pci_remove [2022-07-14 02:25:38,143 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_pci_remove [2022-07-14 02:25:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 02:25:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2022-07-14 02:25:38,143 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2022-07-14 02:25:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2022-07-14 02:25:38,143 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2022-07-14 02:25:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2022-07-14 02:25:38,143 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2022-07-14 02:25:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2022-07-14 02:25:38,143 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2022-07-14 02:25:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 02:25:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2022-07-14 02:25:38,143 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2022-07-14 02:25:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-07-14 02:25:38,143 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-07-14 02:25:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 02:25:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 02:25:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 02:25:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 02:25:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 02:25:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-14 02:25:38,143 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-14 02:25:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2022-07-14 02:25:38,144 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2022-07-14 02:25:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-07-14 02:25:38,144 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-07-14 02:25:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2022-07-14 02:25:38,144 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2022-07-14 02:25:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2022-07-14 02:25:38,144 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2022-07-14 02:25:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 02:25:38,144 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 02:25:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-14 02:25:38,144 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-14 02:25:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-14 02:25:38,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-14 02:25:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2022-07-14 02:25:38,144 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2022-07-14 02:25:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 02:25:38,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 02:25:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-07-14 02:25:38,144 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-07-14 02:25:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2022-07-14 02:25:38,144 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2022-07-14 02:25:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2022-07-14 02:25:38,144 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2022-07-14 02:25:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2022-07-14 02:25:38,144 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2022-07-14 02:25:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2022-07-14 02:25:38,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2022-07-14 02:25:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-14 02:25:38,145 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-14 02:25:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-14 02:25:38,145 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-14 02:25:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 02:25:38,145 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 02:25:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2022-07-14 02:25:38,145 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2022-07-14 02:25:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 02:25:38,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 02:25:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-14 02:25:38,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-14 02:25:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_infoleaf [2022-07-14 02:25:38,145 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_infoleaf [2022-07-14 02:25:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2022-07-14 02:25:38,145 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2022-07-14 02:25:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 02:25:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 02:25:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 02:25:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 02:25:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 02:25:38,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 02:25:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2022-07-14 02:25:38,145 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2022-07-14 02:25:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-14 02:25:38,145 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-14 02:25:38,146 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2022-07-14 02:25:38,146 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2022-07-14 02:25:38,146 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-14 02:25:38,146 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-14 02:25:38,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_96 [2022-07-14 02:25:38,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_96 [2022-07-14 02:25:38,146 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2022-07-14 02:25:38,146 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2022-07-14 02:25:38,146 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2022-07-14 02:25:38,146 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2022-07-14 02:25:38,146 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2022-07-14 02:25:38,146 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2022-07-14 02:25:38,146 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2022-07-14 02:25:38,146 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2022-07-14 02:25:38,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 02:25:38,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 02:25:38,146 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2022-07-14 02:25:38,146 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2022-07-14 02:25:38,146 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2022-07-14 02:25:38,146 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2022-07-14 02:25:38,146 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2022-07-14 02:25:38,146 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2022-07-14 02:25:38,146 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2022-07-14 02:25:38,146 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2022-07-14 02:25:38,146 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2022-07-14 02:25:38,146 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2022-07-14 02:25:38,146 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2022-07-14 02:25:38,147 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2022-07-14 02:25:38,147 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-14 02:25:38,147 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-14 02:25:38,147 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2022-07-14 02:25:38,147 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2022-07-14 02:25:38,147 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_strncmp [2022-07-14 02:25:38,147 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_strncmp [2022-07-14 02:25:38,147 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-07-14 02:25:38,147 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-07-14 02:25:38,147 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2022-07-14 02:25:38,147 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2022-07-14 02:25:38,147 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2022-07-14 02:25:38,147 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2022-07-14 02:25:38,147 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2022-07-14 02:25:38,147 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2022-07-14 02:25:38,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 02:25:38,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 02:25:38,147 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-14 02:25:39,274 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 02:25:39,280 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 02:25:41,646 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 02:26:58,594 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-14 02:26:59,599 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 02:26:59,625 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 02:26:59,626 INFO L299 CfgBuilder]: Removed 17 assume(true) statements. [2022-07-14 02:26:59,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:26:59 BoogieIcfgContainer [2022-07-14 02:26:59,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 02:26:59,634 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 02:26:59,634 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 02:26:59,636 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 02:26:59,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 02:25:31" (1/3) ... [2022-07-14 02:26:59,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d0022d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:26:59, skipping insertion in model container [2022-07-14 02:26:59,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:25:37" (2/3) ... [2022-07-14 02:26:59,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d0022d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:26:59, skipping insertion in model container [2022-07-14 02:26:59,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:26:59" (3/3) ... [2022-07-14 02:26:59,639 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2022-07-14 02:26:59,650 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 02:26:59,650 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 02:26:59,766 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 02:26:59,772 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@74e1bfad, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@74a42a5c [2022-07-14 02:26:59,774 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 02:26:59,788 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) [2022-07-14 02:26:59,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-07-14 02:26:59,834 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:26:59,835 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] [2022-07-14 02:26:59,836 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:26:59,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:26:59,842 INFO L85 PathProgramCache]: Analyzing trace with hash 442050857, now seen corresponding path program 1 times [2022-07-14 02:26:59,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:26:59,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [801154709] [2022-07-14 02:26:59,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:26:59,864 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:26:59,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:26:59,866 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) [2022-07-14 02:26:59,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 02:27:01,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:02,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 2108 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 02:27:02,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:27:02,498 INFO L134 CoverageAnalysis]: Checked inductivity of 993 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 948 trivial. 0 not checked. [2022-07-14 02:27:02,498 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:27:02,499 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:27:02,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [801154709] [2022-07-14 02:27:02,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [801154709] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:27:02,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:27:02,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 02:27:02,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816305405] [2022-07-14 02:27:02,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:27:02,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 02:27:02,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:27:02,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 02:27:02,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:27:02,554 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) [2022-07-14 02:27:04,771 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:27:06,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:27:06,126 INFO L93 Difference]: Finished difference Result 10933 states and 16389 transitions. [2022-07-14 02:27:06,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 02:27:06,128 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 [2022-07-14 02:27:06,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:27:06,201 INFO L225 Difference]: With dead ends: 10933 [2022-07-14 02:27:06,201 INFO L226 Difference]: Without dead ends: 6939 [2022-07-14 02:27:06,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:27:06,249 INFO L413 NwaCegarLoop]: 6557 mSDtfsCounter, 4507 mSDsluCounter, 5657 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s 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, 3.2s IncrementalHoareTripleChecker+Time [2022-07-14 02:27:06,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4507 Valid, 12214 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 66 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-07-14 02:27:06,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6939 states. [2022-07-14 02:27:06,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6939 to 6936. [2022-07-14 02:27:06,645 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) [2022-07-14 02:27:06,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6936 states to 6936 states and 10121 transitions. [2022-07-14 02:27:06,706 INFO L78 Accepts]: Start accepts. Automaton has 6936 states and 10121 transitions. Word has length 224 [2022-07-14 02:27:06,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:27:06,710 INFO L495 AbstractCegarLoop]: Abstraction has 6936 states and 10121 transitions. [2022-07-14 02:27:06,710 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) [2022-07-14 02:27:06,710 INFO L276 IsEmpty]: Start isEmpty. Operand 6936 states and 10121 transitions. [2022-07-14 02:27:06,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-07-14 02:27:06,733 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:27:06,734 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] [2022-07-14 02:27:06,788 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-14 02:27:06,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:27:06,960 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:27:06,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:27:06,960 INFO L85 PathProgramCache]: Analyzing trace with hash 43733265, now seen corresponding path program 1 times [2022-07-14 02:27:06,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:27:06,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2090515268] [2022-07-14 02:27:06,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:27:06,964 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:27:06,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:27:06,972 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) [2022-07-14 02:27:06,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 02:27:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:09,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 2454 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 02:27:09,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:27:09,701 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-07-14 02:27:09,701 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:27:09,702 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:27:09,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2090515268] [2022-07-14 02:27:09,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2090515268] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:27:09,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:27:09,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 02:27:09,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154544907] [2022-07-14 02:27:09,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:27:09,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 02:27:09,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:27:09,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 02:27:09,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:27:09,704 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) [2022-07-14 02:27:11,884 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 [] [2022-07-14 02:27:12,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:27:12,898 INFO L93 Difference]: Finished difference Result 20652 states and 30146 transitions. [2022-07-14 02:27:12,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 02:27:12,899 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 [2022-07-14 02:27:12,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:27:13,043 INFO L225 Difference]: With dead ends: 20652 [2022-07-14 02:27:13,044 INFO L226 Difference]: Without dead ends: 13751 [2022-07-14 02:27:13,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:27:13,104 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, 2.8s IncrementalHoareTripleChecker+Time [2022-07-14 02:27:13,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5530 Valid, 12217 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2022-07-14 02:27:13,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13751 states. [2022-07-14 02:27:13,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13751 to 13747. [2022-07-14 02:27:13,679 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) [2022-07-14 02:27:13,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13747 states to 13747 states and 20062 transitions. [2022-07-14 02:27:13,763 INFO L78 Accepts]: Start accepts. Automaton has 13747 states and 20062 transitions. Word has length 264 [2022-07-14 02:27:13,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:27:13,765 INFO L495 AbstractCegarLoop]: Abstraction has 13747 states and 20062 transitions. [2022-07-14 02:27:13,766 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) [2022-07-14 02:27:13,766 INFO L276 IsEmpty]: Start isEmpty. Operand 13747 states and 20062 transitions. [2022-07-14 02:27:13,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2022-07-14 02:27:13,782 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:27:13,782 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] [2022-07-14 02:27:13,837 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 02:27:13,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:27:13,996 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:27:13,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:27:13,996 INFO L85 PathProgramCache]: Analyzing trace with hash -658485942, now seen corresponding path program 1 times [2022-07-14 02:27:13,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:27:13,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1243332297] [2022-07-14 02:27:13,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:27:13,999 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:27:13,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:27:14,004 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) [2022-07-14 02:27:14,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 02:27:15,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:16,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 2439 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 02:27:16,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:27:16,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-07-14 02:27:16,600 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:27:16,600 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:27:16,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1243332297] [2022-07-14 02:27:16,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1243332297] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:27:16,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:27:16,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 02:27:16,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410350741] [2022-07-14 02:27:16,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:27:16,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 02:27:16,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:27:16,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 02:27:16,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:27:16,602 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) [2022-07-14 02:27:18,741 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 [] [2022-07-14 02:27:20,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:27:20,036 INFO L93 Difference]: Finished difference Result 40999 states and 59852 transitions. [2022-07-14 02:27:20,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 02:27:20,037 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 [2022-07-14 02:27:20,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:27:20,200 INFO L225 Difference]: With dead ends: 40999 [2022-07-14 02:27:20,200 INFO L226 Difference]: Without dead ends: 27287 [2022-07-14 02:27:20,274 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 [2022-07-14 02:27:20,277 INFO L413 NwaCegarLoop]: 6600 mSDtfsCounter, 5529 mSDsluCounter, 5617 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s 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, 2.8s IncrementalHoareTripleChecker+Time [2022-07-14 02:27:20,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5529 Valid, 12217 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2022-07-14 02:27:20,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27287 states. [2022-07-14 02:27:21,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27287 to 27281. [2022-07-14 02:27:21,208 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) [2022-07-14 02:27:21,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27281 states to 27281 states and 39815 transitions. [2022-07-14 02:27:21,395 INFO L78 Accepts]: Start accepts. Automaton has 27281 states and 39815 transitions. Word has length 267 [2022-07-14 02:27:21,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:27:21,396 INFO L495 AbstractCegarLoop]: Abstraction has 27281 states and 39815 transitions. [2022-07-14 02:27:21,396 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) [2022-07-14 02:27:21,396 INFO L276 IsEmpty]: Start isEmpty. Operand 27281 states and 39815 transitions. [2022-07-14 02:27:21,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2022-07-14 02:27:21,412 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:27:21,412 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] [2022-07-14 02:27:21,474 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-14 02:27:21,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:27:21,638 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:27:21,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:27:21,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1854398951, now seen corresponding path program 1 times [2022-07-14 02:27:21,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:27:21,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [226429085] [2022-07-14 02:27:21,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:27:21,641 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:27:21,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:27:21,643 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) [2022-07-14 02:27:21,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 02:27:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:23,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 2437 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 02:27:23,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:27:24,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-07-14 02:27:24,195 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:27:24,195 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:27:24,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [226429085] [2022-07-14 02:27:24,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [226429085] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:27:24,195 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:27:24,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 02:27:24,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377827714] [2022-07-14 02:27:24,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:27:24,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 02:27:24,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:27:24,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 02:27:24,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:27:24,197 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) [2022-07-14 02:27:26,327 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 [] [2022-07-14 02:27:28,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:27:28,324 INFO L93 Difference]: Finished difference Result 79434 states and 115883 transitions. [2022-07-14 02:27:28,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 02:27:28,325 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 [2022-07-14 02:27:28,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:27:28,750 INFO L225 Difference]: With dead ends: 79434 [2022-07-14 02:27:28,751 INFO L226 Difference]: Without dead ends: 52188 [2022-07-14 02:27:28,967 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 [2022-07-14 02:27:28,970 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, 2.8s IncrementalHoareTripleChecker+Time [2022-07-14 02:27:28,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5528 Valid, 12217 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2022-07-14 02:27:29,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52188 states. [2022-07-14 02:27:30,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52188 to 52170. [2022-07-14 02:27:30,695 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) [2022-07-14 02:27:31,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52170 states to 52170 states and 76061 transitions. [2022-07-14 02:27:31,339 INFO L78 Accepts]: Start accepts. Automaton has 52170 states and 76061 transitions. Word has length 268 [2022-07-14 02:27:31,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:27:31,340 INFO L495 AbstractCegarLoop]: Abstraction has 52170 states and 76061 transitions. [2022-07-14 02:27:31,340 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) [2022-07-14 02:27:31,341 INFO L276 IsEmpty]: Start isEmpty. Operand 52170 states and 76061 transitions. [2022-07-14 02:27:31,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-07-14 02:27:31,348 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:27:31,349 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] [2022-07-14 02:27:31,443 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-14 02:27:31,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:27:31,568 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:27:31,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:27:31,569 INFO L85 PathProgramCache]: Analyzing trace with hash -1083184228, now seen corresponding path program 1 times [2022-07-14 02:27:31,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:27:31,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [908453009] [2022-07-14 02:27:31,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:27:31,572 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:27:31,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:27:31,574 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) [2022-07-14 02:27:31,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-14 02:27:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:33,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 2183 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 02:27:33,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:27:34,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 960 trivial. 0 not checked. [2022-07-14 02:27:34,178 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:27:34,178 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:27:34,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [908453009] [2022-07-14 02:27:34,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [908453009] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:27:34,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:27:34,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 02:27:34,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858121470] [2022-07-14 02:27:34,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:27:34,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 02:27:34,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:27:34,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 02:27:34,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:27:34,180 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) [2022-07-14 02:27:36,350 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:27:39,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:27:39,392 INFO L93 Difference]: Finished difference Result 153282 states and 225709 transitions. [2022-07-14 02:27:39,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 02:27:39,393 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 [2022-07-14 02:27:39,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:27:40,431 INFO L225 Difference]: With dead ends: 153282 [2022-07-14 02:27:40,431 INFO L226 Difference]: Without dead ends: 101147 [2022-07-14 02:27:40,743 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 [2022-07-14 02:27:40,743 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, 2.6s IncrementalHoareTripleChecker+Time [2022-07-14 02:27:40,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5417 Valid, 12342 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2022-07-14 02:27:40,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101147 states. [2022-07-14 02:27:44,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101147 to 101115. [2022-07-14 02:27:44,420 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) [2022-07-14 02:27:45,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101115 states to 101115 states and 149603 transitions. [2022-07-14 02:27:45,870 INFO L78 Accepts]: Start accepts. Automaton has 101115 states and 149603 transitions. Word has length 269 [2022-07-14 02:27:45,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:27:45,873 INFO L495 AbstractCegarLoop]: Abstraction has 101115 states and 149603 transitions. [2022-07-14 02:27:45,874 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) [2022-07-14 02:27:45,874 INFO L276 IsEmpty]: Start isEmpty. Operand 101115 states and 149603 transitions. [2022-07-14 02:27:45,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-07-14 02:27:45,884 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:27:45,885 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] [2022-07-14 02:27:45,937 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-14 02:27:46,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:27:46,108 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:27:46,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:27:46,109 INFO L85 PathProgramCache]: Analyzing trace with hash -100701965, now seen corresponding path program 1 times [2022-07-14 02:27:46,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:27:46,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2051479144] [2022-07-14 02:27:46,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:27:46,112 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:27:46,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:27:46,120 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) [2022-07-14 02:27:46,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-14 02:27:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:27:48,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 2247 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 02:27:48,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:27:49,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 1056 trivial. 0 not checked. [2022-07-14 02:27:49,884 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:27:49,885 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:27:49,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2051479144] [2022-07-14 02:27:49,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2051479144] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:27:49,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:27:49,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 02:27:49,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836682436] [2022-07-14 02:27:49,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:27:49,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 02:27:49,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:27:49,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 02:27:49,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:27:49,886 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) [2022-07-14 02:27:52,067 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 [] [2022-07-14 02:27:57,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:27:57,450 INFO L93 Difference]: Finished difference Result 244778 states and 362195 transitions. [2022-07-14 02:27:57,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 02:27:57,451 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 [2022-07-14 02:27:57,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:27:58,581 INFO L225 Difference]: With dead ends: 244778 [2022-07-14 02:27:58,581 INFO L226 Difference]: Without dead ends: 143698 [2022-07-14 02:27:59,093 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 [2022-07-14 02:27:59,093 INFO L413 NwaCegarLoop]: 10105 mSDtfsCounter, 4445 mSDsluCounter, 5591 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s 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, 3.4s IncrementalHoareTripleChecker+Time [2022-07-14 02:27:59,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4445 Valid, 15696 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 66 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-07-14 02:27:59,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143698 states. [2022-07-14 02:28:03,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143698 to 143680. [2022-07-14 02:28:03,882 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) [2022-07-14 02:28:05,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143680 states to 143680 states and 212385 transitions. [2022-07-14 02:28:05,524 INFO L78 Accepts]: Start accepts. Automaton has 143680 states and 212385 transitions. Word has length 284 [2022-07-14 02:28:05,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:28:05,525 INFO L495 AbstractCegarLoop]: Abstraction has 143680 states and 212385 transitions. [2022-07-14 02:28:05,525 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) [2022-07-14 02:28:05,525 INFO L276 IsEmpty]: Start isEmpty. Operand 143680 states and 212385 transitions. [2022-07-14 02:28:05,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2022-07-14 02:28:05,542 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:28:05,542 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] [2022-07-14 02:28:05,588 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-07-14 02:28:05,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:28:05,756 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:28:05,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:28:05,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1489193519, now seen corresponding path program 1 times [2022-07-14 02:28:05,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:28:05,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [304345248] [2022-07-14 02:28:05,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:28:05,759 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:28:05,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:28:05,768 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) [2022-07-14 02:28:05,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-14 02:28:07,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:07,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 2390 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 02:28:07,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:28:08,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2022-07-14 02:28:08,596 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:28:08,596 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:28:08,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [304345248] [2022-07-14 02:28:08,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [304345248] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:28:08,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:28:08,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 02:28:08,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328807688] [2022-07-14 02:28:08,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:28:08,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 02:28:08,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:28:08,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 02:28:08,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:28:08,597 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) [2022-07-14 02:28:10,745 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:28:18,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:28:18,075 INFO L93 Difference]: Finished difference Result 329777 states and 487517 transitions. [2022-07-14 02:28:18,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 02:28:18,076 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 [2022-07-14 02:28:18,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:28:19,411 INFO L225 Difference]: With dead ends: 329777 [2022-07-14 02:28:19,412 INFO L226 Difference]: Without dead ends: 186132 [2022-07-14 02:28:20,598 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 [2022-07-14 02:28:20,598 INFO L413 NwaCegarLoop]: 10106 mSDtfsCounter, 4449 mSDsluCounter, 5598 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s 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, 3.3s IncrementalHoareTripleChecker+Time [2022-07-14 02:28:20,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4449 Valid, 15704 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 61 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-07-14 02:28:20,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186132 states. [2022-07-14 02:28:26,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186132 to 186114. [2022-07-14 02:28:26,645 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) [2022-07-14 02:28:28,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186114 states to 186114 states and 274989 transitions. [2022-07-14 02:28:28,648 INFO L78 Accepts]: Start accepts. Automaton has 186114 states and 274989 transitions. Word has length 361 [2022-07-14 02:28:28,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:28:28,649 INFO L495 AbstractCegarLoop]: Abstraction has 186114 states and 274989 transitions. [2022-07-14 02:28:28,649 INFO L496 AbstractCegarLoop]: INTERPOLANT 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) [2022-07-14 02:28:28,650 INFO L276 IsEmpty]: Start isEmpty. Operand 186114 states and 274989 transitions. [2022-07-14 02:28:28,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2022-07-14 02:28:28,668 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:28:28,668 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] [2022-07-14 02:28:28,720 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-07-14 02:28:28,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:28:28,885 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:28:28,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:28:28,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1448518769, now seen corresponding path program 1 times [2022-07-14 02:28:28,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:28:28,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1879410632] [2022-07-14 02:28:28,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:28:28,888 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:28:28,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:28:28,896 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 02:28:28,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-14 02:28:31,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:28:31,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 2390 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 02:28:31,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:28:32,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2022-07-14 02:28:32,016 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:28:32,017 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:28:32,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1879410632] [2022-07-14 02:28:32,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1879410632] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:28:32,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:28:32,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 02:28:32,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146586445] [2022-07-14 02:28:32,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:28:32,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 02:28:32,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:28:32,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 02:28:32,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:28:32,019 INFO L87 Difference]: Start difference. First operand 186114 states and 274989 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) [2022-07-14 02:28:34,148 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 []