./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 35987657 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-?-3598765 [2022-07-21 13:17:29,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 13:17:29,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 13:17:29,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 13:17:29,525 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 13:17:29,526 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 13:17:29,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 13:17:29,529 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 13:17:29,530 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 13:17:29,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 13:17:29,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 13:17:29,533 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 13:17:29,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 13:17:29,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 13:17:29,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 13:17:29,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 13:17:29,537 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 13:17:29,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 13:17:29,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 13:17:29,540 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 13:17:29,542 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 13:17:29,543 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 13:17:29,544 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 13:17:29,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 13:17:29,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 13:17:29,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 13:17:29,549 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 13:17:29,549 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 13:17:29,550 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 13:17:29,550 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 13:17:29,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 13:17:29,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 13:17:29,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 13:17:29,552 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 13:17:29,553 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 13:17:29,554 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 13:17:29,554 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 13:17:29,555 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 13:17:29,555 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 13:17:29,555 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 13:17:29,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 13:17:29,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 13:17:29,558 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 13:17:29,577 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 13:17:29,577 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 13:17:29,577 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 13:17:29,577 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 13:17:29,578 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 13:17:29,578 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 13:17:29,579 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 13:17:29,579 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 13:17:29,579 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 13:17:29,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 13:17:29,580 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 13:17:29,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 13:17:29,580 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 13:17:29,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 13:17:29,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 13:17:29,585 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 13:17:29,586 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 13:17:29,586 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 13:17:29,586 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 13:17:29,586 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 13:17:29,586 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 13:17:29,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:17:29,587 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 13:17:29,587 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 13:17:29,587 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 13:17:29,587 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 13:17:29,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 13:17:29,588 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 13:17:29,588 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 13:17:29,588 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 13:17:29,588 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45acb2c796116b4df93c0e090b1e242e2e986b4d7b1240180279cd2f8660db26 [2022-07-21 13:17:29,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 13:17:29,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 13:17:29,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 13:17:29,915 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 13:17:29,915 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 13:17:29,916 INFO L432 ainManager$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 [2022-07-21 13:17:29,967 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1386a8ac0/d16fac67c9c946ecb8c810ea579f43f8/FLAG911ea9759 [2022-07-21 13:17:30,839 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 13:17:30,840 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 [2022-07-21 13:17:30,895 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1386a8ac0/d16fac67c9c946ecb8c810ea579f43f8/FLAG911ea9759 [2022-07-21 13:17:31,287 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1386a8ac0/d16fac67c9c946ecb8c810ea579f43f8 [2022-07-21 13:17:31,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 13:17:31,290 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 13:17:31,292 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 13:17:31,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 13:17:31,297 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 13:17:31,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:17:31" (1/1) ... [2022-07-21 13:17:31,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@771b943a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:17:31, skipping insertion in model container [2022-07-21 13:17:31,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:17:31" (1/1) ... [2022-07-21 13:17:31,305 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 13:17:31,503 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 13:17:34,725 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] [2022-07-21 13:17:34,728 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] [2022-07-21 13:17:34,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:17:34,807 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 13:17:35,297 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] [2022-07-21 13:17:35,298 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] [2022-07-21 13:17:35,302 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:17:35,569 INFO L208 MainTranslator]: Completed translation [2022-07-21 13:17:35,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:17:35 WrapperNode [2022-07-21 13:17:35,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 13:17:35,571 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 13:17:35,571 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 13:17:35,571 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 13:17:35,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:17:35" (1/1) ... [2022-07-21 13:17:35,733 ERROR L1136 TypeChecker]: C: lp->phy[lp->active].spd.value [10576]: Undeclared identifier #t~mem1641 in IdentifierExpression[#t~mem1641,] [2022-07-21 13:17:35,781 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:17:35" (1/1) ... [2022-07-21 13:17:35,787 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 13:17:35,787 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2022-07-21 13:17:35,789 INFO L158 Benchmark]: Toolchain (without parser) took 4497.67ms. Allocated memory was 56.6MB in the beginning and 247.5MB in the end (delta: 190.8MB). Free memory was 25.9MB in the beginning and 105.6MB in the end (delta: -79.7MB). Peak memory consumption was 107.6MB. Max. memory is 16.1GB. [2022-07-21 13:17:35,790 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 56.6MB. Free memory was 38.8MB in the beginning and 38.8MB in the end (delta: 47.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 13:17:35,791 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4278.22ms. Allocated memory was 56.6MB in the beginning and 247.5MB in the end (delta: 190.8MB). Free memory was 25.7MB in the beginning and 114.0MB in the end (delta: -88.3MB). Peak memory consumption was 101.3MB. Max. memory is 16.1GB. [2022-07-21 13:17:35,792 INFO L158 Benchmark]: Boogie Procedure Inliner took 216.69ms. Allocated memory is still 247.5MB. Free memory was 114.0MB in the beginning and 105.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-21 13:17:35,794 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 56.6MB. Free memory was 38.8MB in the beginning and 38.8MB in the end (delta: 47.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4278.22ms. Allocated memory was 56.6MB in the beginning and 247.5MB in the end (delta: 190.8MB). Free memory was 25.7MB in the beginning and 114.0MB in the end (delta: -88.3MB). Peak memory consumption was 101.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 216.69ms. Allocated memory is still 247.5MB. Free memory was 114.0MB in the beginning and 105.6MB 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-?-3598765 [2022-07-21 13:17:37,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 13:17:37,447 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 13:17:37,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 13:17:37,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 13:17:37,501 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 13:17:37,504 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 13:17:37,507 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 13:17:37,508 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 13:17:37,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 13:17:37,514 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 13:17:37,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 13:17:37,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 13:17:37,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 13:17:37,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 13:17:37,524 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 13:17:37,524 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 13:17:37,526 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 13:17:37,527 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 13:17:37,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 13:17:37,533 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 13:17:37,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 13:17:37,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 13:17:37,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 13:17:37,538 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 13:17:37,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 13:17:37,545 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 13:17:37,545 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 13:17:37,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 13:17:37,547 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 13:17:37,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 13:17:37,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 13:17:37,549 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 13:17:37,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 13:17:37,551 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 13:17:37,552 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 13:17:37,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 13:17:37,553 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 13:17:37,553 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 13:17:37,553 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 13:17:37,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 13:17:37,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 13:17:37,563 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 13:17:37,594 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 13:17:37,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 13:17:37,595 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 13:17:37,595 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 13:17:37,596 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 13:17:37,596 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 13:17:37,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 13:17:37,597 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 13:17:37,597 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 13:17:37,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 13:17:37,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 13:17:37,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 13:17:37,598 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 13:17:37,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 13:17:37,599 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 13:17:37,599 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 13:17:37,599 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 13:17:37,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 13:17:37,600 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 13:17:37,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 13:17:37,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 13:17:37,601 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 13:17:37,601 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 13:17:37,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:17:37,601 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 13:17:37,601 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 13:17:37,602 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 13:17:37,602 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 13:17:37,602 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 13:17:37,602 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 13:17:37,603 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 13:17:37,603 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 13:17:37,603 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 13:17:37,603 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45acb2c796116b4df93c0e090b1e242e2e986b4d7b1240180279cd2f8660db26 [2022-07-21 13:17:37,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 13:17:37,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 13:17:37,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 13:17:37,948 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 13:17:37,949 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 13:17:37,950 INFO L432 ainManager$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 [2022-07-21 13:17:38,010 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/265006d2e/bab9b25ea650419ab07b38c15ea0189c/FLAG8377a8c7d [2022-07-21 13:17:38,931 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 13:17:38,932 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 [2022-07-21 13:17:39,000 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/265006d2e/bab9b25ea650419ab07b38c15ea0189c/FLAG8377a8c7d [2022-07-21 13:17:39,287 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/265006d2e/bab9b25ea650419ab07b38c15ea0189c [2022-07-21 13:17:39,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 13:17:39,290 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 13:17:39,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 13:17:39,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 13:17:39,297 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 13:17:39,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:17:39" (1/1) ... [2022-07-21 13:17:39,298 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b8a7b63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:17:39, skipping insertion in model container [2022-07-21 13:17:39,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:17:39" (1/1) ... [2022-07-21 13:17:39,304 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 13:17:39,485 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 13:17:43,458 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] [2022-07-21 13:17:43,461 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] [2022-07-21 13:17:43,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:17:43,561 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 13:17:43,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 13:17:44,048 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] [2022-07-21 13:17:44,049 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] [2022-07-21 13:17:44,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:17:44,102 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 13:17:44,590 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] [2022-07-21 13:17:44,590 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] [2022-07-21 13:17:44,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:17:44,753 INFO L208 MainTranslator]: Completed translation [2022-07-21 13:17:44,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:17:44 WrapperNode [2022-07-21 13:17:44,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 13:17:44,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 13:17:44,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 13:17:44,755 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 13:17:44,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:17:44" (1/1) ... [2022-07-21 13:17:44,932 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:17:44" (1/1) ... [2022-07-21 13:17:45,195 INFO L137 Inliner]: procedures = 557, calls = 4199, calls flagged for inlining = 248, calls inlined = 232, statements flattened = 8432 [2022-07-21 13:17:45,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 13:17:45,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 13:17:45,196 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 13:17:45,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 13:17:45,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:17:44" (1/1) ... [2022-07-21 13:17:45,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:17:44" (1/1) ... [2022-07-21 13:17:45,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:17:44" (1/1) ... [2022-07-21 13:17:45,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:17:44" (1/1) ... [2022-07-21 13:17:45,434 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:17:44" (1/1) ... [2022-07-21 13:17:45,475 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:17:44" (1/1) ... [2022-07-21 13:17:45,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:17:44" (1/1) ... [2022-07-21 13:17:45,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 13:17:45,612 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 13:17:45,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 13:17:45,612 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 13:17:45,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:17:44" (1/1) ... [2022-07-21 13:17:45,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:17:45,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 13:17:45,641 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) [2022-07-21 13:17:45,667 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 [2022-07-21 13:17:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2022-07-21 13:17:45,680 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2022-07-21 13:17:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_92 [2022-07-21 13:17:45,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_92 [2022-07-21 13:17:45,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 13:17:45,681 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 13:17:45,681 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-21 13:17:45,681 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-21 13:17:45,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 13:17:45,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 13:17:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2022-07-21 13:17:45,682 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2022-07-21 13:17:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2022-07-21 13:17:45,682 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2022-07-21 13:17:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-07-21 13:17:45,682 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-07-21 13:17:45,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_de4x5_private [2022-07-21 13:17:45,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_de4x5_private [2022-07-21 13:17:45,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_de4x5_private [2022-07-21 13:17:45,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_de4x5_private [2022-07-21 13:17:45,683 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2022-07-21 13:17:45,683 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2022-07-21 13:17:45,684 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2022-07-21 13:17:45,684 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2022-07-21 13:17:45,684 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 13:17:45,684 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 13:17:45,684 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2022-07-21 13:17:45,684 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2022-07-21 13:17:45,684 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 13:17:45,685 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 13:17:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2022-07-21 13:17:45,685 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2022-07-21 13:17:45,685 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2022-07-21 13:17:45,686 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2022-07-21 13:17:45,686 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-21 13:17:45,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-21 13:17:45,686 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2022-07-21 13:17:45,686 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2022-07-21 13:17:45,687 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-21 13:17:45,687 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-21 13:17:45,687 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2022-07-21 13:17:45,687 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2022-07-21 13:17:45,687 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-07-21 13:17:45,688 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-07-21 13:17:45,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 13:17:45,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 13:17:45,689 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2022-07-21 13:17:45,689 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2022-07-21 13:17:45,689 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-07-21 13:17:45,690 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-07-21 13:17:45,690 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 13:17:45,690 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 13:17:45,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 13:17:45,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 13:17:45,690 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2022-07-21 13:17:45,690 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2022-07-21 13:17:45,691 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2022-07-21 13:17:45,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 13:17:45,691 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-07-21 13:17:45,692 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-07-21 13:17:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 13:17:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-07-21 13:17:45,692 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-07-21 13:17:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 13:17:45,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 13:17:45,693 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-07-21 13:17:45,693 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-07-21 13:17:45,693 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2022-07-21 13:17:45,693 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2022-07-21 13:17:45,694 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 13:17:45,694 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 13:17:45,694 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-07-21 13:17:45,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-07-21 13:17:45,694 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-21 13:17:45,694 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-21 13:17:45,694 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2022-07-21 13:17:45,695 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2022-07-21 13:17:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2022-07-21 13:17:45,695 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2022-07-21 13:17:45,695 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 13:17:45,696 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 13:17:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 13:17:45,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 13:17:45,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 13:17:45,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 13:17:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~C_INT [2022-07-21 13:17:45,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~C_INT [2022-07-21 13:17:45,697 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 13:17:45,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 13:17:45,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 13:17:45,698 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 13:17:45,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-21 13:17:45,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-21 13:17:45,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-21 13:17:45,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-21 13:17:45,699 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2022-07-21 13:17:45,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2022-07-21 13:17:45,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-21 13:17:45,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-21 13:17:45,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-21 13:17:45,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-21 13:17:45,699 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2022-07-21 13:17:45,700 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2022-07-21 13:17:45,700 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 13:17:45,700 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 13:17:45,700 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-21 13:17:45,701 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-21 13:17:45,701 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2022-07-21 13:17:45,702 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2022-07-21 13:17:45,704 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-07-21 13:17:45,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-07-21 13:17:45,705 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2022-07-21 13:17:45,705 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2022-07-21 13:17:45,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 13:17:45,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-21 13:17:45,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-21 13:17:45,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-21 13:17:45,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-21 13:17:45,712 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2022-07-21 13:17:45,713 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2022-07-21 13:17:45,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 13:17:45,713 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2022-07-21 13:17:45,713 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2022-07-21 13:17:45,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 13:17:45,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 13:17:45,714 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 13:17:45,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 13:17:45,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 13:17:45,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 13:17:45,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 13:17:45,714 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 13:17:45,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 13:17:45,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 13:17:45,715 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2022-07-21 13:17:45,715 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2022-07-21 13:17:45,715 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-07-21 13:17:45,715 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-07-21 13:17:45,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-21 13:17:45,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-21 13:17:45,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-21 13:17:45,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-21 13:17:45,716 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2022-07-21 13:17:45,716 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2022-07-21 13:17:45,716 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2022-07-21 13:17:45,716 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2022-07-21 13:17:45,716 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2022-07-21 13:17:45,716 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2022-07-21 13:17:45,717 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-21 13:17:45,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-21 13:17:45,717 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2022-07-21 13:17:45,717 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2022-07-21 13:17:45,717 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 13:17:45,717 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 13:17:45,717 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2022-07-21 13:17:45,717 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2022-07-21 13:17:45,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-21 13:17:45,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-21 13:17:45,718 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-21 13:17:45,718 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-21 13:17:45,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 13:17:45,718 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2022-07-21 13:17:45,718 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2022-07-21 13:17:45,719 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2022-07-21 13:17:45,719 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2022-07-21 13:17:45,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 13:17:45,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 13:17:45,719 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2022-07-21 13:17:45,719 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2022-07-21 13:17:45,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 13:17:45,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-21 13:17:45,720 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-21 13:17:45,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 13:17:45,720 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2022-07-21 13:17:45,720 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2022-07-21 13:17:45,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 13:17:45,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 13:17:45,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 13:17:45,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 13:17:45,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 13:17:45,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 13:17:45,721 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2022-07-21 13:17:45,721 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2022-07-21 13:17:45,721 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-21 13:17:45,721 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-21 13:17:45,721 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2022-07-21 13:17:45,722 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2022-07-21 13:17:45,722 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2022-07-21 13:17:45,722 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2022-07-21 13:17:45,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-21 13:17:45,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-21 13:17:45,722 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2022-07-21 13:17:45,722 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2022-07-21 13:17:45,723 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2022-07-21 13:17:45,723 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2022-07-21 13:17:45,723 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2022-07-21 13:17:45,723 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2022-07-21 13:17:45,723 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2022-07-21 13:17:45,723 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2022-07-21 13:17:45,723 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2022-07-21 13:17:45,723 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2022-07-21 13:17:45,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 13:17:45,724 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 13:17:45,724 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2022-07-21 13:17:45,724 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2022-07-21 13:17:45,724 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-21 13:17:45,724 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-21 13:17:45,724 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2022-07-21 13:17:45,725 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2022-07-21 13:17:45,725 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-21 13:17:45,725 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-21 13:17:45,725 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2022-07-21 13:17:45,725 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2022-07-21 13:17:45,725 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2022-07-21 13:17:45,725 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2022-07-21 13:17:45,725 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-21 13:17:45,726 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-21 13:17:45,726 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_pci_remove [2022-07-21 13:17:45,726 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_pci_remove [2022-07-21 13:17:45,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 13:17:45,726 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2022-07-21 13:17:45,726 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2022-07-21 13:17:45,726 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2022-07-21 13:17:45,727 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2022-07-21 13:17:45,727 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2022-07-21 13:17:45,727 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2022-07-21 13:17:45,727 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2022-07-21 13:17:45,727 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2022-07-21 13:17:45,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 13:17:45,727 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2022-07-21 13:17:45,727 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2022-07-21 13:17:45,728 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-07-21 13:17:45,728 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-07-21 13:17:45,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 13:17:45,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 13:17:45,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 13:17:45,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 13:17:45,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 13:17:45,732 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-21 13:17:45,732 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-21 13:17:45,732 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2022-07-21 13:17:45,733 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2022-07-21 13:17:45,733 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-07-21 13:17:45,733 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-07-21 13:17:45,733 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2022-07-21 13:17:45,733 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2022-07-21 13:17:45,734 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2022-07-21 13:17:45,734 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2022-07-21 13:17:45,734 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 13:17:45,735 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 13:17:45,735 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-21 13:17:45,735 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-21 13:17:45,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-21 13:17:45,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-21 13:17:45,735 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2022-07-21 13:17:45,735 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2022-07-21 13:17:45,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 13:17:45,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 13:17:45,736 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-07-21 13:17:45,736 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-07-21 13:17:45,736 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2022-07-21 13:17:45,736 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2022-07-21 13:17:45,736 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2022-07-21 13:17:45,736 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2022-07-21 13:17:45,737 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2022-07-21 13:17:45,737 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2022-07-21 13:17:45,737 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2022-07-21 13:17:45,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2022-07-21 13:17:45,737 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-21 13:17:45,737 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-21 13:17:45,737 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-21 13:17:45,737 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-21 13:17:45,738 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 13:17:45,738 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 13:17:45,738 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2022-07-21 13:17:45,738 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2022-07-21 13:17:45,738 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 13:17:45,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 13:17:45,738 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-21 13:17:45,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-21 13:17:45,739 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_infoleaf [2022-07-21 13:17:45,739 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_infoleaf [2022-07-21 13:17:45,739 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2022-07-21 13:17:45,739 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2022-07-21 13:17:45,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 13:17:45,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 13:17:45,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 13:17:45,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 13:17:45,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 13:17:45,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 13:17:45,806 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2022-07-21 13:17:45,806 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2022-07-21 13:17:45,806 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-21 13:17:45,806 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-21 13:17:45,806 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2022-07-21 13:17:45,806 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2022-07-21 13:17:45,806 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-21 13:17:45,806 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-21 13:17:45,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_96 [2022-07-21 13:17:45,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_96 [2022-07-21 13:17:45,806 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2022-07-21 13:17:45,806 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2022-07-21 13:17:45,806 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2022-07-21 13:17:45,806 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2022-07-21 13:17:45,806 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2022-07-21 13:17:45,806 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2022-07-21 13:17:45,806 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2022-07-21 13:17:45,807 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2022-07-21 13:17:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 13:17:45,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 13:17:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2022-07-21 13:17:45,807 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2022-07-21 13:17:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2022-07-21 13:17:45,807 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2022-07-21 13:17:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2022-07-21 13:17:45,807 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2022-07-21 13:17:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2022-07-21 13:17:45,807 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2022-07-21 13:17:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2022-07-21 13:17:45,807 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2022-07-21 13:17:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2022-07-21 13:17:45,807 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2022-07-21 13:17:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-21 13:17:45,807 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-21 13:17:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2022-07-21 13:17:45,807 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2022-07-21 13:17:45,808 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_strncmp [2022-07-21 13:17:45,808 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_strncmp [2022-07-21 13:17:45,808 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-07-21 13:17:45,808 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-07-21 13:17:45,808 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2022-07-21 13:17:45,808 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2022-07-21 13:17:45,808 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2022-07-21 13:17:45,808 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2022-07-21 13:17:45,808 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2022-07-21 13:17:45,808 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2022-07-21 13:17:45,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 13:17:45,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 13:17:45,808 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-21 13:17:46,948 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 13:17:46,951 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 13:17:49,687 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 13:19:04,299 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-21 13:19:05,156 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 13:19:05,188 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 13:19:05,189 INFO L299 CfgBuilder]: Removed 17 assume(true) statements. [2022-07-21 13:19:05,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:19:05 BoogieIcfgContainer [2022-07-21 13:19:05,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 13:19:05,198 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 13:19:05,198 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 13:19:05,201 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 13:19:05,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:17:39" (1/3) ... [2022-07-21 13:19:05,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e273a99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:19:05, skipping insertion in model container [2022-07-21 13:19:05,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:17:44" (2/3) ... [2022-07-21 13:19:05,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e273a99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:19:05, skipping insertion in model container [2022-07-21 13:19:05,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:19:05" (3/3) ... [2022-07-21 13:19:05,204 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2022-07-21 13:19:05,219 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 13:19:05,220 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 13:19:05,345 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 13:19:05,357 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@6503e1bc, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@607b3f7a [2022-07-21 13:19:05,357 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 13:19:05,373 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) [2022-07-21 13:19:05,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-07-21 13:19:05,423 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:19:05,424 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] [2022-07-21 13:19:05,424 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:19:05,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:19:05,429 INFO L85 PathProgramCache]: Analyzing trace with hash 442050857, now seen corresponding path program 1 times [2022-07-21 13:19:05,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:19:05,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [377405444] [2022-07-21 13:19:05,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:19:05,449 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:19:05,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:19:05,452 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) [2022-07-21 13:19:05,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 13:19:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:07,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 2108 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:19:07,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:19:07,840 INFO L134 CoverageAnalysis]: Checked inductivity of 993 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 948 trivial. 0 not checked. [2022-07-21 13:19:07,840 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:19:07,841 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:19:07,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [377405444] [2022-07-21 13:19:07,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [377405444] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:19:07,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:19:07,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:19:07,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791641404] [2022-07-21 13:19:07,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:19:07,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:19:07,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:19:07,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:19:07,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:19:07,884 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) [2022-07-21 13:19:10,152 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:19:11,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:19:11,635 INFO L93 Difference]: Finished difference Result 10933 states and 16389 transitions. [2022-07-21 13:19:11,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:19:11,638 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 [2022-07-21 13:19:11,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:19:11,732 INFO L225 Difference]: With dead ends: 10933 [2022-07-21 13:19:11,732 INFO L226 Difference]: Without dead ends: 6939 [2022-07-21 13:19:11,784 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 [2022-07-21 13:19:11,791 INFO L413 NwaCegarLoop]: 6557 mSDtfsCounter, 4507 mSDsluCounter, 5657 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4507 SdHoareTripleChecker+Valid, 12214 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-07-21 13:19:11,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4507 Valid, 12214 Invalid, 86 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 66 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-07-21 13:19:11,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6939 states. [2022-07-21 13:19:12,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6939 to 6936. [2022-07-21 13:19:12,252 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) [2022-07-21 13:19:12,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6936 states to 6936 states and 10121 transitions. [2022-07-21 13:19:12,333 INFO L78 Accepts]: Start accepts. Automaton has 6936 states and 10121 transitions. Word has length 224 [2022-07-21 13:19:12,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:19:12,338 INFO L495 AbstractCegarLoop]: Abstraction has 6936 states and 10121 transitions. [2022-07-21 13:19:12,338 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) [2022-07-21 13:19:12,338 INFO L276 IsEmpty]: Start isEmpty. Operand 6936 states and 10121 transitions. [2022-07-21 13:19:12,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-07-21 13:19:12,368 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:19:12,369 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] [2022-07-21 13:19:12,434 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 13:19:12,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:19:12,584 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:19:12,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:19:12,584 INFO L85 PathProgramCache]: Analyzing trace with hash 43733265, now seen corresponding path program 1 times [2022-07-21 13:19:12,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:19:12,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1914755669] [2022-07-21 13:19:12,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:19:12,587 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:19:12,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:19:12,590 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) [2022-07-21 13:19:12,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 13:19:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:14,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 2454 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:19:14,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:19:15,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-07-21 13:19:15,218 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:19:15,219 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:19:15,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1914755669] [2022-07-21 13:19:15,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1914755669] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:19:15,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:19:15,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:19:15,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589339883] [2022-07-21 13:19:15,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:19:15,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:19:15,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:19:15,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:19:15,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:19:15,222 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) [2022-07-21 13:19:17,351 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 [] [2022-07-21 13:19:18,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:19:18,672 INFO L93 Difference]: Finished difference Result 20652 states and 30146 transitions. [2022-07-21 13:19:18,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:19:18,673 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 [2022-07-21 13:19:18,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:19:18,824 INFO L225 Difference]: With dead ends: 20652 [2022-07-21 13:19:18,825 INFO L226 Difference]: Without dead ends: 13751 [2022-07-21 13:19:18,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:19:18,897 INFO L413 NwaCegarLoop]: 6600 mSDtfsCounter, 5530 mSDsluCounter, 5617 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5530 SdHoareTripleChecker+Valid, 12217 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-21 13:19:18,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5530 Valid, 12217 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-07-21 13:19:18,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13751 states. [2022-07-21 13:19:19,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13751 to 13747. [2022-07-21 13:19:19,518 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) [2022-07-21 13:19:19,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13747 states to 13747 states and 20062 transitions. [2022-07-21 13:19:19,627 INFO L78 Accepts]: Start accepts. Automaton has 13747 states and 20062 transitions. Word has length 264 [2022-07-21 13:19:19,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:19:19,628 INFO L495 AbstractCegarLoop]: Abstraction has 13747 states and 20062 transitions. [2022-07-21 13:19:19,628 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) [2022-07-21 13:19:19,629 INFO L276 IsEmpty]: Start isEmpty. Operand 13747 states and 20062 transitions. [2022-07-21 13:19:19,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2022-07-21 13:19:19,652 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:19:19,653 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] [2022-07-21 13:19:19,726 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 13:19:19,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:19:19,867 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:19:19,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:19:19,868 INFO L85 PathProgramCache]: Analyzing trace with hash -658485942, now seen corresponding path program 1 times [2022-07-21 13:19:19,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:19:19,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [746889175] [2022-07-21 13:19:19,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:19:19,870 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:19:19,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:19:19,876 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) [2022-07-21 13:19:19,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 13:19:22,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:22,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 2439 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:19:22,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:19:22,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-07-21 13:19:22,597 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:19:22,597 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:19:22,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [746889175] [2022-07-21 13:19:22,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [746889175] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:19:22,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:19:22,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:19:22,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046565841] [2022-07-21 13:19:22,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:19:22,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:19:22,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:19:22,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:19:22,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:19:22,600 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) [2022-07-21 13:19:24,723 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:19:26,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:19:26,242 INFO L93 Difference]: Finished difference Result 40999 states and 59852 transitions. [2022-07-21 13:19:26,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:19:26,243 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 [2022-07-21 13:19:26,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:19:26,505 INFO L225 Difference]: With dead ends: 40999 [2022-07-21 13:19:26,505 INFO L226 Difference]: Without dead ends: 27287 [2022-07-21 13:19:26,638 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 [2022-07-21 13:19:26,641 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, 2.9s IncrementalHoareTripleChecker+Time [2022-07-21 13:19:26,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5529 Valid, 12217 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-07-21 13:19:26,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27287 states. [2022-07-21 13:19:28,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27287 to 27281. [2022-07-21 13:19:28,113 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) [2022-07-21 13:19:28,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27281 states to 27281 states and 39815 transitions. [2022-07-21 13:19:28,563 INFO L78 Accepts]: Start accepts. Automaton has 27281 states and 39815 transitions. Word has length 267 [2022-07-21 13:19:28,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:19:28,565 INFO L495 AbstractCegarLoop]: Abstraction has 27281 states and 39815 transitions. [2022-07-21 13:19:28,565 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) [2022-07-21 13:19:28,566 INFO L276 IsEmpty]: Start isEmpty. Operand 27281 states and 39815 transitions. [2022-07-21 13:19:28,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2022-07-21 13:19:28,586 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:19:28,586 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] [2022-07-21 13:19:28,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 13:19:28,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:19:28,812 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:19:28,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:19:28,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1854398951, now seen corresponding path program 1 times [2022-07-21 13:19:28,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:19:28,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1500354568] [2022-07-21 13:19:28,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:19:28,815 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:19:28,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:19:28,820 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) [2022-07-21 13:19:28,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 13:19:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:31,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 2437 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:19:31,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:19:32,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-07-21 13:19:32,109 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:19:32,110 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:19:32,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1500354568] [2022-07-21 13:19:32,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1500354568] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:19:32,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:19:32,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:19:32,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616770356] [2022-07-21 13:19:32,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:19:32,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:19:32,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:19:32,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:19:32,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:19:32,112 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) [2022-07-21 13:19:34,318 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 [] [2022-07-21 13:19:36,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:19:36,524 INFO L93 Difference]: Finished difference Result 79434 states and 115883 transitions. [2022-07-21 13:19:36,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:19:36,525 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 [2022-07-21 13:19:36,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:19:36,935 INFO L225 Difference]: With dead ends: 79434 [2022-07-21 13:19:36,935 INFO L226 Difference]: Without dead ends: 52188 [2022-07-21 13:19:37,167 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 [2022-07-21 13:19:37,170 INFO L413 NwaCegarLoop]: 6600 mSDtfsCounter, 5528 mSDsluCounter, 5617 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s 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, 3.0s IncrementalHoareTripleChecker+Time [2022-07-21 13:19:37,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5528 Valid, 12217 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 3.0s Time] [2022-07-21 13:19:37,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52188 states. [2022-07-21 13:19:39,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52188 to 52170. [2022-07-21 13:19:39,300 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) [2022-07-21 13:19:39,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52170 states to 52170 states and 76061 transitions. [2022-07-21 13:19:39,900 INFO L78 Accepts]: Start accepts. Automaton has 52170 states and 76061 transitions. Word has length 268 [2022-07-21 13:19:39,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:19:39,902 INFO L495 AbstractCegarLoop]: Abstraction has 52170 states and 76061 transitions. [2022-07-21 13:19:39,902 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) [2022-07-21 13:19:39,902 INFO L276 IsEmpty]: Start isEmpty. Operand 52170 states and 76061 transitions. [2022-07-21 13:19:39,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-07-21 13:19:39,910 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:19:39,910 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] [2022-07-21 13:19:39,985 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-21 13:19:40,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:19:40,124 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:19:40,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:19:40,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1083184228, now seen corresponding path program 1 times [2022-07-21 13:19:40,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:19:40,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [889701727] [2022-07-21 13:19:40,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:19:40,127 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:19:40,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:19:40,129 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) [2022-07-21 13:19:40,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 13:19:42,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:42,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 2183 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:19:42,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:19:42,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 960 trivial. 0 not checked. [2022-07-21 13:19:42,864 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:19:42,864 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:19:42,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [889701727] [2022-07-21 13:19:42,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [889701727] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:19:42,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:19:42,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:19:42,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812022352] [2022-07-21 13:19:42,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:19:42,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:19:42,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:19:42,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:19:42,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:19:42,868 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) [2022-07-21 13:19:45,057 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:19:47,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:19:47,949 INFO L93 Difference]: Finished difference Result 153282 states and 225709 transitions. [2022-07-21 13:19:47,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:19:47,949 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 [2022-07-21 13:19:47,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:19:49,087 INFO L225 Difference]: With dead ends: 153282 [2022-07-21 13:19:49,089 INFO L226 Difference]: Without dead ends: 101147 [2022-07-21 13:19:49,439 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 [2022-07-21 13:19:49,439 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 [2022-07-21 13:19:49,440 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] [2022-07-21 13:19:49,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101147 states. [2022-07-21 13:19:52,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101147 to 101115. [2022-07-21 13:19:53,005 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) [2022-07-21 13:19:54,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101115 states to 101115 states and 149603 transitions. [2022-07-21 13:19:54,332 INFO L78 Accepts]: Start accepts. Automaton has 101115 states and 149603 transitions. Word has length 269 [2022-07-21 13:19:54,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:19:54,333 INFO L495 AbstractCegarLoop]: Abstraction has 101115 states and 149603 transitions. [2022-07-21 13:19:54,334 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) [2022-07-21 13:19:54,334 INFO L276 IsEmpty]: Start isEmpty. Operand 101115 states and 149603 transitions. [2022-07-21 13:19:54,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-07-21 13:19:54,348 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:19:54,348 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] [2022-07-21 13:19:54,410 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 13:19:54,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:19:54,568 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:19:54,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:19:54,568 INFO L85 PathProgramCache]: Analyzing trace with hash -100701965, now seen corresponding path program 1 times [2022-07-21 13:19:54,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:19:54,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1828303066] [2022-07-21 13:19:54,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:19:54,571 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:19:54,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:19:54,573 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) [2022-07-21 13:19:54,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 13:19:56,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:56,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 2247 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:19:56,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:19:57,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 1056 trivial. 0 not checked. [2022-07-21 13:19:57,890 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:19:57,891 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:19:57,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1828303066] [2022-07-21 13:19:57,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1828303066] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:19:57,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:19:57,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:19:57,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591680486] [2022-07-21 13:19:57,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:19:57,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:19:57,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:19:57,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:19:57,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:19:57,892 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) [2022-07-21 13:20:00,242 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:20:05,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:20:05,548 INFO L93 Difference]: Finished difference Result 244778 states and 362195 transitions. [2022-07-21 13:20:05,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:20:05,549 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 [2022-07-21 13:20:05,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:20:06,544 INFO L225 Difference]: With dead ends: 244778 [2022-07-21 13:20:06,544 INFO L226 Difference]: Without dead ends: 143698 [2022-07-21 13:20:07,271 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 [2022-07-21 13:20:07,272 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 [2022-07-21 13:20:07,272 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] [2022-07-21 13:20:07,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143698 states. [2022-07-21 13:20:11,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143698 to 143680. [2022-07-21 13:20:11,792 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) [2022-07-21 13:20:13,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143680 states to 143680 states and 212385 transitions. [2022-07-21 13:20:13,502 INFO L78 Accepts]: Start accepts. Automaton has 143680 states and 212385 transitions. Word has length 284 [2022-07-21 13:20:13,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:20:13,503 INFO L495 AbstractCegarLoop]: Abstraction has 143680 states and 212385 transitions. [2022-07-21 13:20:13,504 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) [2022-07-21 13:20:13,504 INFO L276 IsEmpty]: Start isEmpty. Operand 143680 states and 212385 transitions. [2022-07-21 13:20:13,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2022-07-21 13:20:13,519 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:20:13,524 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] [2022-07-21 13:20:13,595 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-21 13:20:13,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:20:13,749 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:20:13,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:20:13,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1489193519, now seen corresponding path program 1 times [2022-07-21 13:20:13,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:20:13,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2065948180] [2022-07-21 13:20:13,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:20:13,752 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:20:13,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:20:13,754 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) [2022-07-21 13:20:13,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-21 13:20:15,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:20:15,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 2390 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:20:15,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:20:16,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2022-07-21 13:20:16,499 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:20:16,499 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:20:16,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2065948180] [2022-07-21 13:20:16,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2065948180] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:20:16,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:20:16,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:20:16,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115073785] [2022-07-21 13:20:16,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:20:16,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:20:16,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:20:16,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:20:16,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:20:16,501 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) [2022-07-21 13:20:18,637 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 [] [2022-07-21 13:20:25,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:20:25,663 INFO L93 Difference]: Finished difference Result 329777 states and 487517 transitions. [2022-07-21 13:20:25,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:20:25,663 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 [2022-07-21 13:20:25,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:20:26,840 INFO L225 Difference]: With dead ends: 329777 [2022-07-21 13:20:26,840 INFO L226 Difference]: Without dead ends: 186132 [2022-07-21 13:20:27,825 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 [2022-07-21 13:20:27,825 INFO L413 NwaCegarLoop]: 10106 mSDtfsCounter, 4449 mSDsluCounter, 5598 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4449 SdHoareTripleChecker+Valid, 15704 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-07-21 13:20:27,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4449 Valid, 15704 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 61 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2022-07-21 13:20:27,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186132 states. [2022-07-21 13:20:33,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186132 to 186114. [2022-07-21 13:20:33,904 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) [2022-07-21 13:20:35,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186114 states to 186114 states and 274989 transitions. [2022-07-21 13:20:35,816 INFO L78 Accepts]: Start accepts. Automaton has 186114 states and 274989 transitions. Word has length 361 [2022-07-21 13:20:35,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:20:35,817 INFO L495 AbstractCegarLoop]: Abstraction has 186114 states and 274989 transitions. [2022-07-21 13:20:35,817 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) [2022-07-21 13:20:35,817 INFO L276 IsEmpty]: Start isEmpty. Operand 186114 states and 274989 transitions. [2022-07-21 13:20:35,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2022-07-21 13:20:35,833 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:20:35,834 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] [2022-07-21 13:20:35,892 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-07-21 13:20:36,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:20:36,056 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:20:36,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:20:36,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1448518769, now seen corresponding path program 1 times [2022-07-21 13:20:36,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:20:36,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1204422879] [2022-07-21 13:20:36,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:20:36,058 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:20:36,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:20:36,059 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) [2022-07-21 13:20:36,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process