./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 6c24879c 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-?-6c24879 [2022-07-12 14:44:10,796 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 14:44:10,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 14:44:10,819 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 14:44:10,819 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 14:44:10,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 14:44:10,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 14:44:10,826 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 14:44:10,827 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 14:44:10,830 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 14:44:10,831 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 14:44:10,832 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 14:44:10,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 14:44:10,834 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 14:44:10,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 14:44:10,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 14:44:10,836 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 14:44:10,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 14:44:10,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 14:44:10,842 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 14:44:10,843 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 14:44:10,844 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 14:44:10,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 14:44:10,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 14:44:10,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 14:44:10,848 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 14:44:10,848 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 14:44:10,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 14:44:10,849 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 14:44:10,849 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 14:44:10,850 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 14:44:10,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 14:44:10,851 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 14:44:10,852 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 14:44:10,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 14:44:10,853 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 14:44:10,853 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 14:44:10,853 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 14:44:10,854 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 14:44:10,854 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 14:44:10,855 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 14:44:10,856 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 14:44:10,857 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 14:44:10,886 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 14:44:10,886 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 14:44:10,886 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 14:44:10,887 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 14:44:10,887 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 14:44:10,887 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 14:44:10,888 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 14:44:10,888 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 14:44:10,888 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 14:44:10,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 14:44:10,889 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 14:44:10,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 14:44:10,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 14:44:10,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 14:44:10,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 14:44:10,889 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 14:44:10,890 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 14:44:10,890 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 14:44:10,890 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 14:44:10,890 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 14:44:10,890 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 14:44:10,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:44:10,890 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 14:44:10,891 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 14:44:10,891 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 14:44:10,892 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 14:44:10,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 14:44:10,892 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 14:44:10,892 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 14:44:10,892 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 14:44:10,892 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45acb2c796116b4df93c0e090b1e242e2e986b4d7b1240180279cd2f8660db26 [2022-07-12 14:44:11,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 14:44:11,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 14:44:11,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 14:44:11,059 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 14:44:11,060 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 14:44:11,061 INFO L432 ainManager$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 [2022-07-12 14:44:11,102 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48b5cb2b1/7a412c0205f24c26abe377d7b5346472/FLAG7b62496d7 [2022-07-12 14:44:11,806 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 14:44:11,807 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 [2022-07-12 14:44:11,861 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48b5cb2b1/7a412c0205f24c26abe377d7b5346472/FLAG7b62496d7 [2022-07-12 14:44:12,138 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48b5cb2b1/7a412c0205f24c26abe377d7b5346472 [2022-07-12 14:44:12,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 14:44:12,141 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 14:44:12,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 14:44:12,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 14:44:12,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 14:44:12,145 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:44:12" (1/1) ... [2022-07-12 14:44:12,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5842abf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:12, skipping insertion in model container [2022-07-12 14:44:12,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:44:12" (1/1) ... [2022-07-12 14:44:12,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 14:44:12,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 14:44:15,152 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] [2022-07-12 14:44:15,155 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] [2022-07-12 14:44:15,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:44:15,236 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 14:44:15,642 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] [2022-07-12 14:44:15,643 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] [2022-07-12 14:44:15,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:44:15,790 INFO L208 MainTranslator]: Completed translation [2022-07-12 14:44:15,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:15 WrapperNode [2022-07-12 14:44:15,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 14:44:15,792 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 14:44:15,792 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 14:44:15,792 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 14:44:15,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:15" (1/1) ... [2022-07-12 14:44:15,880 ERROR L1136 TypeChecker]: C: lp->phy[lp->active].spd.value [10576]: Undeclared identifier #t~mem1641 in IdentifierExpression[#t~mem1641,] [2022-07-12 14:44:15,897 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:15" (1/1) ... [2022-07-12 14:44:15,897 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 14:44:15,897 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2022-07-12 14:44:15,899 INFO L158 Benchmark]: Toolchain (without parser) took 3756.73ms. Allocated memory was 113.2MB in the beginning and 266.3MB in the end (delta: 153.1MB). Free memory was 63.6MB in the beginning and 133.5MB in the end (delta: -69.9MB). Peak memory consumption was 83.2MB. Max. memory is 16.1GB. [2022-07-12 14:44:15,903 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory was 71.3MB in the beginning and 71.2MB in the end (delta: 89.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 14:44:15,904 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3649.24ms. Allocated memory was 113.2MB in the beginning and 266.3MB in the end (delta: 153.1MB). Free memory was 63.6MB in the beginning and 142.9MB in the end (delta: -79.4MB). Peak memory consumption was 133.5MB. Max. memory is 16.1GB. [2022-07-12 14:44:15,904 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.18ms. Allocated memory is still 266.3MB. Free memory was 142.9MB in the beginning and 133.5MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-12 14:44:15,905 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory was 71.3MB in the beginning and 71.2MB in the end (delta: 89.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3649.24ms. Allocated memory was 113.2MB in the beginning and 266.3MB in the end (delta: 153.1MB). Free memory was 63.6MB in the beginning and 142.9MB in the end (delta: -79.4MB). Peak memory consumption was 133.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.18ms. Allocated memory is still 266.3MB. Free memory was 142.9MB in the beginning and 133.5MB in the end (delta: 9.4MB). 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-?-6c24879 [2022-07-12 14:44:17,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 14:44:17,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 14:44:17,478 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 14:44:17,479 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 14:44:17,480 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 14:44:17,483 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 14:44:17,486 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 14:44:17,487 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 14:44:17,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 14:44:17,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 14:44:17,497 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 14:44:17,497 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 14:44:17,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 14:44:17,500 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 14:44:17,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 14:44:17,503 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 14:44:17,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 14:44:17,506 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 14:44:17,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 14:44:17,512 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 14:44:17,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 14:44:17,514 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 14:44:17,515 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 14:44:17,516 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 14:44:17,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 14:44:17,518 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 14:44:17,519 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 14:44:17,519 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 14:44:17,520 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 14:44:17,520 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 14:44:17,521 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 14:44:17,522 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 14:44:17,522 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 14:44:17,523 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 14:44:17,524 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 14:44:17,524 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 14:44:17,525 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 14:44:17,525 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 14:44:17,525 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 14:44:17,525 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 14:44:17,526 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 14:44:17,527 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 14:44:17,556 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 14:44:17,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 14:44:17,556 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 14:44:17,556 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 14:44:17,557 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 14:44:17,557 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 14:44:17,558 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 14:44:17,558 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 14:44:17,558 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 14:44:17,559 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 14:44:17,559 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 14:44:17,559 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 14:44:17,559 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 14:44:17,559 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 14:44:17,560 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 14:44:17,560 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 14:44:17,560 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 14:44:17,560 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 14:44:17,560 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 14:44:17,560 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 14:44:17,561 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 14:44:17,561 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 14:44:17,561 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 14:44:17,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:44:17,561 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 14:44:17,561 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 14:44:17,562 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 14:44:17,562 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 14:44:17,562 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 14:44:17,562 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 14:44:17,562 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 14:44:17,562 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 14:44:17,563 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 14:44:17,563 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45acb2c796116b4df93c0e090b1e242e2e986b4d7b1240180279cd2f8660db26 [2022-07-12 14:44:17,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 14:44:17,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 14:44:17,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 14:44:17,810 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 14:44:17,811 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 14:44:17,812 INFO L432 ainManager$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 [2022-07-12 14:44:17,867 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dadbfb3df/bca0427fd9bb4c429d4a603feb65a1cf/FLAG4f10c8f40 [2022-07-12 14:44:18,623 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 14:44:18,623 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 [2022-07-12 14:44:18,665 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dadbfb3df/bca0427fd9bb4c429d4a603feb65a1cf/FLAG4f10c8f40 [2022-07-12 14:44:18,888 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dadbfb3df/bca0427fd9bb4c429d4a603feb65a1cf [2022-07-12 14:44:18,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 14:44:18,891 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 14:44:18,892 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 14:44:18,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 14:44:18,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 14:44:18,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:44:18" (1/1) ... [2022-07-12 14:44:18,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@87f8223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:18, skipping insertion in model container [2022-07-12 14:44:18,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:44:18" (1/1) ... [2022-07-12 14:44:18,902 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 14:44:19,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 14:44:22,107 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] [2022-07-12 14:44:22,109 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] [2022-07-12 14:44:22,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:44:22,194 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 14:44:22,335 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 14:44:22,594 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] [2022-07-12 14:44:22,598 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] [2022-07-12 14:44:22,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:44:22,618 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 14:44:22,938 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] [2022-07-12 14:44:22,938 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] [2022-07-12 14:44:22,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:44:23,114 INFO L208 MainTranslator]: Completed translation [2022-07-12 14:44:23,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:23 WrapperNode [2022-07-12 14:44:23,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 14:44:23,116 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 14:44:23,116 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 14:44:23,116 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 14:44:23,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:23" (1/1) ... [2022-07-12 14:44:23,208 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:23" (1/1) ... [2022-07-12 14:44:23,396 INFO L137 Inliner]: procedures = 557, calls = 4199, calls flagged for inlining = 248, calls inlined = 232, statements flattened = 8432 [2022-07-12 14:44:23,397 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 14:44:23,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 14:44:23,398 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 14:44:23,398 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 14:44:23,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:23" (1/1) ... [2022-07-12 14:44:23,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:23" (1/1) ... [2022-07-12 14:44:23,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:23" (1/1) ... [2022-07-12 14:44:23,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:23" (1/1) ... [2022-07-12 14:44:23,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:23" (1/1) ... [2022-07-12 14:44:23,648 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:23" (1/1) ... [2022-07-12 14:44:23,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:23" (1/1) ... [2022-07-12 14:44:23,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 14:44:23,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 14:44:23,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 14:44:23,718 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 14:44:23,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:23" (1/1) ... [2022-07-12 14:44:23,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:44:23,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 14:44:23,738 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) [2022-07-12 14:44:23,740 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 [2022-07-12 14:44:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2022-07-12 14:44:23,761 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2022-07-12 14:44:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_92 [2022-07-12 14:44:23,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_92 [2022-07-12 14:44:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 14:44:23,762 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 14:44:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 14:44:23,762 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 14:44:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 14:44:23,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 14:44:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2022-07-12 14:44:23,762 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2022-07-12 14:44:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2022-07-12 14:44:23,763 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2022-07-12 14:44:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-07-12 14:44:23,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-07-12 14:44:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_de4x5_private [2022-07-12 14:44:23,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_de4x5_private [2022-07-12 14:44:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_de4x5_private [2022-07-12 14:44:23,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_de4x5_private [2022-07-12 14:44:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2022-07-12 14:44:23,764 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2022-07-12 14:44:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2022-07-12 14:44:23,764 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2022-07-12 14:44:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 14:44:23,764 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 14:44:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2022-07-12 14:44:23,764 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2022-07-12 14:44:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 14:44:23,765 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 14:44:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2022-07-12 14:44:23,765 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2022-07-12 14:44:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2022-07-12 14:44:23,765 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2022-07-12 14:44:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-12 14:44:23,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-12 14:44:23,766 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2022-07-12 14:44:23,766 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2022-07-12 14:44:23,766 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-12 14:44:23,766 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-12 14:44:23,766 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2022-07-12 14:44:23,766 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2022-07-12 14:44:23,766 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-07-12 14:44:23,766 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-07-12 14:44:23,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 14:44:23,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 14:44:23,767 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2022-07-12 14:44:23,767 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2022-07-12 14:44:23,767 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-07-12 14:44:23,767 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-07-12 14:44:23,767 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 14:44:23,767 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 14:44:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 14:44:23,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 14:44:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2022-07-12 14:44:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2022-07-12 14:44:23,768 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2022-07-12 14:44:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 14:44:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-07-12 14:44:23,768 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-07-12 14:44:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 14:44:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-07-12 14:44:23,769 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-07-12 14:44:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 14:44:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 14:44:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-07-12 14:44:23,769 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-07-12 14:44:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2022-07-12 14:44:23,770 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2022-07-12 14:44:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 14:44:23,770 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 14:44:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-07-12 14:44:23,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-07-12 14:44:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-12 14:44:23,770 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-12 14:44:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2022-07-12 14:44:23,771 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2022-07-12 14:44:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2022-07-12 14:44:23,771 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2022-07-12 14:44:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 14:44:23,771 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 14:44:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 14:44:23,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 14:44:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 14:44:23,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 14:44:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~C_INT [2022-07-12 14:44:23,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~C_INT [2022-07-12 14:44:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 14:44:23,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 14:44:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 14:44:23,772 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 14:44:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-12 14:44:23,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-12 14:44:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-12 14:44:23,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-12 14:44:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2022-07-12 14:44:23,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2022-07-12 14:44:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-12 14:44:23,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-12 14:44:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-12 14:44:23,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-12 14:44:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2022-07-12 14:44:23,774 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2022-07-12 14:44:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-12 14:44:23,774 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-12 14:44:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-12 14:44:23,774 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-12 14:44:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2022-07-12 14:44:23,774 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2022-07-12 14:44:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-07-12 14:44:23,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-07-12 14:44:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2022-07-12 14:44:23,775 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2022-07-12 14:44:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 14:44:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-12 14:44:23,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-12 14:44:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-12 14:44:23,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-12 14:44:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2022-07-12 14:44:23,776 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2022-07-12 14:44:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 14:44:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2022-07-12 14:44:23,776 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2022-07-12 14:44:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 14:44:23,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 14:44:23,777 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 14:44:23,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 14:44:23,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 14:44:23,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 14:44:23,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 14:44:23,777 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 14:44:23,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 14:44:23,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 14:44:23,778 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2022-07-12 14:44:23,778 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2022-07-12 14:44:23,778 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-07-12 14:44:23,778 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-07-12 14:44:23,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-12 14:44:23,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-12 14:44:23,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-12 14:44:23,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-12 14:44:23,778 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2022-07-12 14:44:23,779 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2022-07-12 14:44:23,779 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2022-07-12 14:44:23,779 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2022-07-12 14:44:23,779 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2022-07-12 14:44:23,779 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2022-07-12 14:44:23,779 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-12 14:44:23,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-12 14:44:23,779 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2022-07-12 14:44:23,779 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2022-07-12 14:44:23,780 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 14:44:23,780 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 14:44:23,780 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2022-07-12 14:44:23,780 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2022-07-12 14:44:23,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-12 14:44:23,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-12 14:44:23,780 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-12 14:44:23,780 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-12 14:44:23,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 14:44:23,781 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2022-07-12 14:44:23,781 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2022-07-12 14:44:23,781 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2022-07-12 14:44:23,781 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2022-07-12 14:44:23,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 14:44:23,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 14:44:23,781 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2022-07-12 14:44:23,781 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2022-07-12 14:44:23,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 14:44:23,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-12 14:44:23,782 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-12 14:44:23,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 14:44:23,782 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2022-07-12 14:44:23,782 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2022-07-12 14:44:23,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 14:44:23,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 14:44:23,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 14:44:23,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 14:44:23,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 14:44:23,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 14:44:23,783 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2022-07-12 14:44:23,783 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2022-07-12 14:44:23,783 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-12 14:44:23,783 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-12 14:44:23,783 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2022-07-12 14:44:23,784 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2022-07-12 14:44:23,784 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2022-07-12 14:44:23,784 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2022-07-12 14:44:23,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-12 14:44:23,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-12 14:44:23,784 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2022-07-12 14:44:23,784 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2022-07-12 14:44:23,784 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2022-07-12 14:44:23,784 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2022-07-12 14:44:23,785 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2022-07-12 14:44:23,785 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2022-07-12 14:44:23,785 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2022-07-12 14:44:23,785 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2022-07-12 14:44:23,785 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2022-07-12 14:44:23,785 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2022-07-12 14:44:23,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 14:44:23,785 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 14:44:23,786 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2022-07-12 14:44:23,786 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2022-07-12 14:44:23,786 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-12 14:44:23,786 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-12 14:44:23,786 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2022-07-12 14:44:23,786 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2022-07-12 14:44:23,786 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-12 14:44:23,786 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-12 14:44:23,786 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2022-07-12 14:44:23,787 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2022-07-12 14:44:23,787 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2022-07-12 14:44:23,787 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2022-07-12 14:44:23,787 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-12 14:44:23,787 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-12 14:44:23,787 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_pci_remove [2022-07-12 14:44:23,787 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_pci_remove [2022-07-12 14:44:23,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 14:44:23,788 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2022-07-12 14:44:23,788 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2022-07-12 14:44:23,788 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2022-07-12 14:44:23,788 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2022-07-12 14:44:23,788 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2022-07-12 14:44:23,788 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2022-07-12 14:44:23,788 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2022-07-12 14:44:23,788 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2022-07-12 14:44:23,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 14:44:23,789 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2022-07-12 14:44:23,789 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2022-07-12 14:44:23,789 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-07-12 14:44:23,789 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-07-12 14:44:23,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 14:44:23,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 14:44:23,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 14:44:23,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 14:44:23,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 14:44:23,790 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-12 14:44:23,790 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-12 14:44:23,790 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2022-07-12 14:44:23,790 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2022-07-12 14:44:23,790 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-07-12 14:44:23,790 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-07-12 14:44:23,790 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2022-07-12 14:44:23,790 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2022-07-12 14:44:23,791 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2022-07-12 14:44:23,791 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2022-07-12 14:44:23,791 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 14:44:23,791 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 14:44:23,791 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-12 14:44:23,791 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-12 14:44:23,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-12 14:44:23,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-12 14:44:23,792 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2022-07-12 14:44:23,792 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2022-07-12 14:44:23,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 14:44:23,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 14:44:23,792 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-07-12 14:44:23,792 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-07-12 14:44:23,792 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2022-07-12 14:44:23,792 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2022-07-12 14:44:23,792 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2022-07-12 14:44:23,793 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2022-07-12 14:44:23,793 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2022-07-12 14:44:23,793 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2022-07-12 14:44:23,793 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2022-07-12 14:44:23,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2022-07-12 14:44:23,793 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-12 14:44:23,793 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-12 14:44:23,793 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-12 14:44:23,793 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-12 14:44:23,794 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 14:44:23,794 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 14:44:23,794 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2022-07-12 14:44:23,794 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2022-07-12 14:44:23,794 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 14:44:23,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 14:44:23,794 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-12 14:44:23,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-12 14:44:23,795 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_infoleaf [2022-07-12 14:44:23,795 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_infoleaf [2022-07-12 14:44:23,795 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2022-07-12 14:44:23,795 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2022-07-12 14:44:23,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 14:44:23,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 14:44:23,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 14:44:23,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 14:44:23,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 14:44:23,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 14:44:23,796 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2022-07-12 14:44:23,796 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2022-07-12 14:44:23,796 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-12 14:44:23,796 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-12 14:44:23,796 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2022-07-12 14:44:23,796 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2022-07-12 14:44:23,796 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-12 14:44:23,796 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-12 14:44:23,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_96 [2022-07-12 14:44:23,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_96 [2022-07-12 14:44:23,797 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2022-07-12 14:44:23,797 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2022-07-12 14:44:23,797 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2022-07-12 14:44:23,797 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2022-07-12 14:44:23,797 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2022-07-12 14:44:23,797 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2022-07-12 14:44:23,798 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2022-07-12 14:44:23,798 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2022-07-12 14:44:23,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 14:44:23,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 14:44:23,798 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2022-07-12 14:44:23,798 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2022-07-12 14:44:23,798 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2022-07-12 14:44:23,798 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2022-07-12 14:44:23,798 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2022-07-12 14:44:23,799 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2022-07-12 14:44:23,799 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2022-07-12 14:44:23,799 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2022-07-12 14:44:23,799 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2022-07-12 14:44:23,799 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2022-07-12 14:44:23,799 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2022-07-12 14:44:23,799 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2022-07-12 14:44:23,799 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-12 14:44:23,799 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-12 14:44:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2022-07-12 14:44:23,800 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2022-07-12 14:44:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_strncmp [2022-07-12 14:44:23,800 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_strncmp [2022-07-12 14:44:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-07-12 14:44:23,800 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-07-12 14:44:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2022-07-12 14:44:23,800 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2022-07-12 14:44:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2022-07-12 14:44:23,801 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2022-07-12 14:44:23,801 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2022-07-12 14:44:23,801 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2022-07-12 14:44:23,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 14:44:23,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 14:44:23,801 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-12 14:44:24,763 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 14:44:24,765 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 14:44:26,524 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 14:45:28,070 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-12 14:45:28,918 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 14:45:28,940 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 14:45:28,941 INFO L299 CfgBuilder]: Removed 17 assume(true) statements. [2022-07-12 14:45:28,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:45:28 BoogieIcfgContainer [2022-07-12 14:45:28,944 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 14:45:28,946 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 14:45:28,946 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 14:45:28,948 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 14:45:28,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 02:44:18" (1/3) ... [2022-07-12 14:45:28,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a581ab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:45:28, skipping insertion in model container [2022-07-12 14:45:28,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:23" (2/3) ... [2022-07-12 14:45:28,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a581ab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:45:28, skipping insertion in model container [2022-07-12 14:45:28,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:45:28" (3/3) ... [2022-07-12 14:45:28,950 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2022-07-12 14:45:28,958 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 14:45:28,959 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 14:45:29,047 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 14:45:29,051 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@21113053, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@183d0bfc [2022-07-12 14:45:29,051 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 14:45:29,065 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) [2022-07-12 14:45:29,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-07-12 14:45:29,105 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:45:29,105 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] [2022-07-12 14:45:29,106 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:45:29,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:45:29,109 INFO L85 PathProgramCache]: Analyzing trace with hash 442050857, now seen corresponding path program 1 times [2022-07-12 14:45:29,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:45:29,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1669623059] [2022-07-12 14:45:29,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:45:29,122 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:45:29,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:45:29,124 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) [2022-07-12 14:45:29,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 14:45:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:30,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 2108 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:45:30,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:45:31,226 INFO L134 CoverageAnalysis]: Checked inductivity of 993 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 948 trivial. 0 not checked. [2022-07-12 14:45:31,226 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:45:31,227 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:45:31,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1669623059] [2022-07-12 14:45:31,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1669623059] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:45:31,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:45:31,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 14:45:31,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077470442] [2022-07-12 14:45:31,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:45:31,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:45:31,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:45:31,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:45:31,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:45:31,263 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) [2022-07-12 14:45:33,386 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:45:34,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:45:34,718 INFO L93 Difference]: Finished difference Result 10933 states and 16389 transitions. [2022-07-12 14:45:34,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:45:34,720 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 [2022-07-12 14:45:34,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:45:34,782 INFO L225 Difference]: With dead ends: 10933 [2022-07-12 14:45:34,782 INFO L226 Difference]: Without dead ends: 6939 [2022-07-12 14:45:34,820 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 [2022-07-12 14:45:34,825 INFO L413 NwaCegarLoop]: 6557 mSDtfsCounter, 4507 mSDsluCounter, 5657 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4507 SdHoareTripleChecker+Valid, 12214 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-07-12 14:45:34,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4507 Valid, 12214 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 66 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2022-07-12 14:45:34,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6939 states. [2022-07-12 14:45:35,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6939 to 6936. [2022-07-12 14:45:35,115 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) [2022-07-12 14:45:35,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6936 states to 6936 states and 10121 transitions. [2022-07-12 14:45:35,170 INFO L78 Accepts]: Start accepts. Automaton has 6936 states and 10121 transitions. Word has length 224 [2022-07-12 14:45:35,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:45:35,173 INFO L495 AbstractCegarLoop]: Abstraction has 6936 states and 10121 transitions. [2022-07-12 14:45:35,173 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) [2022-07-12 14:45:35,173 INFO L276 IsEmpty]: Start isEmpty. Operand 6936 states and 10121 transitions. [2022-07-12 14:45:35,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-07-12 14:45:35,193 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:45:35,193 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] [2022-07-12 14:45:35,234 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 14:45:35,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:45:35,409 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:45:35,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:45:35,409 INFO L85 PathProgramCache]: Analyzing trace with hash 43733265, now seen corresponding path program 1 times [2022-07-12 14:45:35,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:45:35,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1761973116] [2022-07-12 14:45:35,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:45:35,411 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:45:35,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:45:35,413 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) [2022-07-12 14:45:35,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 14:45:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 2454 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:45:37,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:45:37,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-07-12 14:45:37,682 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:45:37,683 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:45:37,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1761973116] [2022-07-12 14:45:37,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1761973116] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:45:37,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:45:37,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 14:45:37,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371174577] [2022-07-12 14:45:37,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:45:37,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:45:37,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:45:37,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:45:37,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:45:37,687 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) [2022-07-12 14:45:39,804 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 [] [2022-07-12 14:45:40,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:45:40,836 INFO L93 Difference]: Finished difference Result 20652 states and 30146 transitions. [2022-07-12 14:45:40,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:45:40,837 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 [2022-07-12 14:45:40,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:45:40,929 INFO L225 Difference]: With dead ends: 20652 [2022-07-12 14:45:40,929 INFO L226 Difference]: Without dead ends: 13751 [2022-07-12 14:45:40,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:45:40,975 INFO L413 NwaCegarLoop]: 6600 mSDtfsCounter, 5530 mSDsluCounter, 5617 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s 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, 2.7s IncrementalHoareTripleChecker+Time [2022-07-12 14:45:40,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5530 Valid, 12217 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2022-07-12 14:45:40,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13751 states. [2022-07-12 14:45:41,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13751 to 13747. [2022-07-12 14:45:41,367 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) [2022-07-12 14:45:41,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13747 states to 13747 states and 20062 transitions. [2022-07-12 14:45:41,431 INFO L78 Accepts]: Start accepts. Automaton has 13747 states and 20062 transitions. Word has length 264 [2022-07-12 14:45:41,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:45:41,431 INFO L495 AbstractCegarLoop]: Abstraction has 13747 states and 20062 transitions. [2022-07-12 14:45:41,432 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) [2022-07-12 14:45:41,432 INFO L276 IsEmpty]: Start isEmpty. Operand 13747 states and 20062 transitions. [2022-07-12 14:45:41,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2022-07-12 14:45:41,446 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:45:41,446 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] [2022-07-12 14:45:41,491 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 14:45:41,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:45:41,672 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:45:41,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:45:41,672 INFO L85 PathProgramCache]: Analyzing trace with hash -658485942, now seen corresponding path program 1 times [2022-07-12 14:45:41,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:45:41,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [743931627] [2022-07-12 14:45:41,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:45:41,674 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:45:41,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:45:41,675 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) [2022-07-12 14:45:41,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 14:45:43,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:43,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 2439 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:45:43,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:45:44,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-07-12 14:45:44,005 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:45:44,005 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:45:44,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [743931627] [2022-07-12 14:45:44,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [743931627] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:45:44,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:45:44,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 14:45:44,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021218314] [2022-07-12 14:45:44,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:45:44,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:45:44,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:45:44,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:45:44,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:45:44,007 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) [2022-07-12 14:45:46,142 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 [] [2022-07-12 14:45:47,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:45:47,275 INFO L93 Difference]: Finished difference Result 40999 states and 59852 transitions. [2022-07-12 14:45:47,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:45:47,276 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 [2022-07-12 14:45:47,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:45:47,397 INFO L225 Difference]: With dead ends: 40999 [2022-07-12 14:45:47,398 INFO L226 Difference]: Without dead ends: 27287 [2022-07-12 14:45:47,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:45:47,454 INFO L413 NwaCegarLoop]: 6600 mSDtfsCounter, 5529 mSDsluCounter, 5617 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5529 SdHoareTripleChecker+Valid, 12217 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-12 14:45:47,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5529 Valid, 12217 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2022-07-12 14:45:47,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27287 states. [2022-07-12 14:45:48,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27287 to 27281. [2022-07-12 14:45:48,218 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) [2022-07-12 14:45:48,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27281 states to 27281 states and 39815 transitions. [2022-07-12 14:45:48,344 INFO L78 Accepts]: Start accepts. Automaton has 27281 states and 39815 transitions. Word has length 267 [2022-07-12 14:45:48,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:45:48,345 INFO L495 AbstractCegarLoop]: Abstraction has 27281 states and 39815 transitions. [2022-07-12 14:45:48,345 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) [2022-07-12 14:45:48,345 INFO L276 IsEmpty]: Start isEmpty. Operand 27281 states and 39815 transitions. [2022-07-12 14:45:48,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2022-07-12 14:45:48,359 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:45:48,360 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] [2022-07-12 14:45:48,407 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 14:45:48,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:45:48,575 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:45:48,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:45:48,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1854398951, now seen corresponding path program 1 times [2022-07-12 14:45:48,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:45:48,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1072931524] [2022-07-12 14:45:48,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:45:48,578 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:45:48,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:45:48,579 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) [2022-07-12 14:45:48,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 14:45:50,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:50,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 2437 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:45:50,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:45:50,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-07-12 14:45:50,902 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:45:50,902 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:45:50,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1072931524] [2022-07-12 14:45:50,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1072931524] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:45:50,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:45:50,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 14:45:50,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255213312] [2022-07-12 14:45:50,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:45:50,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:45:50,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:45:50,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:45:50,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:45:50,903 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) [2022-07-12 14:45:53,016 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:45:54,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:45:54,371 INFO L93 Difference]: Finished difference Result 79434 states and 115883 transitions. [2022-07-12 14:45:54,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:45:54,372 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 [2022-07-12 14:45:54,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:45:54,663 INFO L225 Difference]: With dead ends: 79434 [2022-07-12 14:45:54,663 INFO L226 Difference]: Without dead ends: 52188 [2022-07-12 14:45:54,948 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 [2022-07-12 14:45:54,948 INFO L413 NwaCegarLoop]: 6600 mSDtfsCounter, 5528 mSDsluCounter, 5617 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5528 SdHoareTripleChecker+Valid, 12217 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-12 14:45:54,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5528 Valid, 12217 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2022-07-12 14:45:54,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52188 states. [2022-07-12 14:45:56,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52188 to 52170. [2022-07-12 14:45:56,437 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) [2022-07-12 14:45:56,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52170 states to 52170 states and 76061 transitions. [2022-07-12 14:45:56,703 INFO L78 Accepts]: Start accepts. Automaton has 52170 states and 76061 transitions. Word has length 268 [2022-07-12 14:45:56,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:45:56,704 INFO L495 AbstractCegarLoop]: Abstraction has 52170 states and 76061 transitions. [2022-07-12 14:45:56,704 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) [2022-07-12 14:45:56,704 INFO L276 IsEmpty]: Start isEmpty. Operand 52170 states and 76061 transitions. [2022-07-12 14:45:56,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-07-12 14:45:56,709 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:45:56,710 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] [2022-07-12 14:45:56,752 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 14:45:56,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:45:56,924 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:45:56,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:45:56,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1083184228, now seen corresponding path program 1 times [2022-07-12 14:45:56,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:45:56,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2030367248] [2022-07-12 14:45:56,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:45:56,926 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:45:56,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:45:56,928 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) [2022-07-12 14:45:56,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 14:45:58,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:58,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 2183 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:45:58,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:45:58,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 960 trivial. 0 not checked. [2022-07-12 14:45:58,954 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:45:58,954 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:45:58,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2030367248] [2022-07-12 14:45:58,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2030367248] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:45:58,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:45:58,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 14:45:58,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730489056] [2022-07-12 14:45:58,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:45:58,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:45:58,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:45:58,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:45:58,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:45:58,956 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) [2022-07-12 14:46:01,070 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:46:03,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:46:03,242 INFO L93 Difference]: Finished difference Result 153282 states and 225709 transitions. [2022-07-12 14:46:03,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:46:03,243 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 [2022-07-12 14:46:03,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:46:03,946 INFO L225 Difference]: With dead ends: 153282 [2022-07-12 14:46:03,947 INFO L226 Difference]: Without dead ends: 101147 [2022-07-12 14:46:04,151 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 [2022-07-12 14:46:04,152 INFO L413 NwaCegarLoop]: 6671 mSDtfsCounter, 5417 mSDsluCounter, 5668 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5417 SdHoareTripleChecker+Valid, 12339 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-12 14:46:04,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5417 Valid, 12339 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-07-12 14:46:04,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101147 states. [2022-07-12 14:46:06,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101147 to 101115. [2022-07-12 14:46:06,916 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) [2022-07-12 14:46:07,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101115 states to 101115 states and 149603 transitions. [2022-07-12 14:46:07,850 INFO L78 Accepts]: Start accepts. Automaton has 101115 states and 149603 transitions. Word has length 269 [2022-07-12 14:46:07,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:46:07,851 INFO L495 AbstractCegarLoop]: Abstraction has 101115 states and 149603 transitions. [2022-07-12 14:46:07,852 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) [2022-07-12 14:46:07,852 INFO L276 IsEmpty]: Start isEmpty. Operand 101115 states and 149603 transitions. [2022-07-12 14:46:07,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-07-12 14:46:07,860 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:46:07,860 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] [2022-07-12 14:46:07,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 14:46:08,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:46:08,077 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:46:08,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:46:08,078 INFO L85 PathProgramCache]: Analyzing trace with hash -100701965, now seen corresponding path program 1 times [2022-07-12 14:46:08,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:46:08,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1995609346] [2022-07-12 14:46:08,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:46:08,080 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:46:08,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:46:08,104 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) [2022-07-12 14:46:08,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 14:46:09,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:09,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 2247 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:46:09,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:46:11,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 1056 trivial. 0 not checked. [2022-07-12 14:46:11,064 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:46:11,064 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:46:11,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1995609346] [2022-07-12 14:46:11,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1995609346] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:46:11,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:46:11,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 14:46:11,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078205492] [2022-07-12 14:46:11,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:46:11,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:46:11,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:46:11,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:46:11,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:46:11,065 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) [2022-07-12 14:46:13,181 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:46:17,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:46:17,723 INFO L93 Difference]: Finished difference Result 244778 states and 362195 transitions. [2022-07-12 14:46:17,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:46:17,724 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 [2022-07-12 14:46:17,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:46:18,731 INFO L225 Difference]: With dead ends: 244778 [2022-07-12 14:46:18,731 INFO L226 Difference]: Without dead ends: 143698 [2022-07-12 14:46:19,084 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 [2022-07-12 14:46:19,085 INFO L413 NwaCegarLoop]: 10105 mSDtfsCounter, 4445 mSDsluCounter, 5591 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s 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, 3.2s IncrementalHoareTripleChecker+Time [2022-07-12 14:46:19,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4445 Valid, 15696 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 66 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-07-12 14:46:19,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143698 states. [2022-07-12 14:46:22,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143698 to 143680. [2022-07-12 14:46:22,843 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) [2022-07-12 14:46:23,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143680 states to 143680 states and 212385 transitions. [2022-07-12 14:46:23,890 INFO L78 Accepts]: Start accepts. Automaton has 143680 states and 212385 transitions. Word has length 284 [2022-07-12 14:46:23,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:46:23,891 INFO L495 AbstractCegarLoop]: Abstraction has 143680 states and 212385 transitions. [2022-07-12 14:46:23,891 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) [2022-07-12 14:46:23,891 INFO L276 IsEmpty]: Start isEmpty. Operand 143680 states and 212385 transitions. [2022-07-12 14:46:23,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2022-07-12 14:46:23,903 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:46:23,903 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] [2022-07-12 14:46:23,942 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-07-12 14:46:24,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:46:24,120 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:46:24,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:46:24,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1489193519, now seen corresponding path program 1 times [2022-07-12 14:46:24,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:46:24,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [807263864] [2022-07-12 14:46:24,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:46:24,122 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:46:24,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:46:24,123 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) [2022-07-12 14:46:24,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-12 14:46:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:26,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 2390 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:46:26,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:46:26,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2022-07-12 14:46:26,561 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:46:26,561 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:46:26,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [807263864] [2022-07-12 14:46:26,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [807263864] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:46:26,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:46:26,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 14:46:26,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718347890] [2022-07-12 14:46:26,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:46:26,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:46:26,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:46:26,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:46:26,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:46:26,563 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) [2022-07-12 14:46:28,710 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:46:34,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:46:34,588 INFO L93 Difference]: Finished difference Result 329777 states and 487517 transitions. [2022-07-12 14:46:34,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 14:46:34,588 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 [2022-07-12 14:46:34,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:46:35,945 INFO L225 Difference]: With dead ends: 329777 [2022-07-12 14:46:35,945 INFO L226 Difference]: Without dead ends: 186132 [2022-07-12 14:46:36,672 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 [2022-07-12 14:46:36,673 INFO L413 NwaCegarLoop]: 10106 mSDtfsCounter, 4449 mSDsluCounter, 5598 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s 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, 3.4s IncrementalHoareTripleChecker+Time [2022-07-12 14:46:36,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4449 Valid, 15704 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 61 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-07-12 14:46:36,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186132 states. [2022-07-12 14:46:41,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186132 to 186114. [2022-07-12 14:46:41,991 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) [2022-07-12 14:46:43,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186114 states to 186114 states and 274989 transitions. [2022-07-12 14:46:43,633 INFO L78 Accepts]: Start accepts. Automaton has 186114 states and 274989 transitions. Word has length 361 [2022-07-12 14:46:43,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:46:43,633 INFO L495 AbstractCegarLoop]: Abstraction has 186114 states and 274989 transitions. [2022-07-12 14:46:43,633 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) [2022-07-12 14:46:43,634 INFO L276 IsEmpty]: Start isEmpty. Operand 186114 states and 274989 transitions. [2022-07-12 14:46:43,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2022-07-12 14:46:43,643 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:46:43,643 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] [2022-07-12 14:46:43,690 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-12 14:46:43,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 14:46:43,864 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:46:43,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:46:43,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1448518769, now seen corresponding path program 1 times [2022-07-12 14:46:43,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 14:46:43,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1159304144] [2022-07-12 14:46:43,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:46:43,867 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 14:46:43,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 14:46:43,868 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) [2022-07-12 14:46:43,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-12 14:46:45,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:45,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 2390 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 14:46:45,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 14:46:46,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2022-07-12 14:46:46,327 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 14:46:46,327 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 14:46:46,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1159304144] [2022-07-12 14:46:46,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1159304144] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:46:46,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:46:46,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 14:46:46,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121455037] [2022-07-12 14:46:46,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:46:46,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 14:46:46,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 14:46:46,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 14:46:46,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 14:46:46,329 INFO L87 Difference]: Start difference. First operand 186114 states and 274989 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-12 14:46:48,448 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 []