./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 eb692b52 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-?-eb692b5 [2022-07-20 01:46:40,109 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 01:46:40,111 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 01:46:40,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 01:46:40,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 01:46:40,160 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 01:46:40,162 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 01:46:40,164 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 01:46:40,166 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 01:46:40,170 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 01:46:40,171 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 01:46:40,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 01:46:40,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 01:46:40,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 01:46:40,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 01:46:40,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 01:46:40,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 01:46:40,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 01:46:40,183 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 01:46:40,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 01:46:40,190 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 01:46:40,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 01:46:40,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 01:46:40,193 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 01:46:40,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 01:46:40,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 01:46:40,202 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 01:46:40,202 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 01:46:40,203 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 01:46:40,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 01:46:40,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 01:46:40,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 01:46:40,215 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 01:46:40,216 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 01:46:40,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 01:46:40,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 01:46:40,218 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 01:46:40,218 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 01:46:40,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 01:46:40,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 01:46:40,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 01:46:40,221 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 01:46:40,223 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 01:46:40,254 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 01:46:40,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 01:46:40,255 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 01:46:40,255 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 01:46:40,256 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 01:46:40,256 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 01:46:40,256 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 01:46:40,257 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 01:46:40,257 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 01:46:40,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 01:46:40,258 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 01:46:40,258 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 01:46:40,258 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 01:46:40,258 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 01:46:40,259 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 01:46:40,259 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 01:46:40,259 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 01:46:40,259 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 01:46:40,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 01:46:40,261 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 01:46:40,261 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 01:46:40,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:46:40,261 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 01:46:40,261 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 01:46:40,262 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 01:46:40,262 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 01:46:40,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 01:46:40,262 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 01:46:40,262 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 01:46:40,262 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 01:46:40,263 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45acb2c796116b4df93c0e090b1e242e2e986b4d7b1240180279cd2f8660db26 [2022-07-20 01:46:40,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 01:46:40,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 01:46:40,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 01:46:40,563 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 01:46:40,564 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 01:46:40,565 INFO L432 ainManager$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 [2022-07-20 01:46:40,622 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89ae17f0b/671ac4d8e48d4c1daecc959854cabbc1/FLAG6e190f7f6 [2022-07-20 01:46:41,491 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 01:46:41,492 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 [2022-07-20 01:46:41,564 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89ae17f0b/671ac4d8e48d4c1daecc959854cabbc1/FLAG6e190f7f6 [2022-07-20 01:46:41,602 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89ae17f0b/671ac4d8e48d4c1daecc959854cabbc1 [2022-07-20 01:46:41,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 01:46:41,606 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 01:46:41,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 01:46:41,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 01:46:41,617 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 01:46:41,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:46:41" (1/1) ... [2022-07-20 01:46:41,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73998645 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:46:41, skipping insertion in model container [2022-07-20 01:46:41,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:46:41" (1/1) ... [2022-07-20 01:46:41,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 01:46:41,827 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:46:45,857 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] [2022-07-20 01:46:45,859 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] [2022-07-20 01:46:45,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:46:45,927 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 01:46:46,405 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] [2022-07-20 01:46:46,406 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] [2022-07-20 01:46:46,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:46:46,586 INFO L208 MainTranslator]: Completed translation [2022-07-20 01:46:46,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:46:46 WrapperNode [2022-07-20 01:46:46,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 01:46:46,589 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 01:46:46,589 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 01:46:46,589 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 01:46:46,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:46:46" (1/1) ... [2022-07-20 01:46:46,730 ERROR L1136 TypeChecker]: C: lp->phy[lp->active].spd.value [10576]: Undeclared identifier #t~mem1641 in IdentifierExpression[#t~mem1641,] [2022-07-20 01:46:46,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:46:46" (1/1) ... [2022-07-20 01:46:46,791 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 01:46:46,791 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2022-07-20 01:46:46,793 INFO L158 Benchmark]: Toolchain (without parser) took 5186.14ms. Allocated memory was 98.6MB in the beginning and 272.6MB in the end (delta: 174.1MB). Free memory was 62.0MB in the beginning and 168.3MB in the end (delta: -106.3MB). Peak memory consumption was 111.5MB. Max. memory is 16.1GB. [2022-07-20 01:46:46,793 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 73.4MB. Free memory was 52.6MB in the beginning and 52.5MB in the end (delta: 48.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 01:46:46,794 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4973.64ms. Allocated memory was 98.6MB in the beginning and 192.9MB in the end (delta: 94.4MB). Free memory was 62.0MB in the beginning and 56.7MB in the end (delta: 5.3MB). Peak memory consumption was 117.5MB. Max. memory is 16.1GB. [2022-07-20 01:46:46,795 INFO L158 Benchmark]: Boogie Procedure Inliner took 202.58ms. Allocated memory was 192.9MB in the beginning and 272.6MB in the end (delta: 79.7MB). Free memory was 56.4MB in the beginning and 168.3MB in the end (delta: -112.0MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2022-07-20 01:46:46,796 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 73.4MB. Free memory was 52.6MB in the beginning and 52.5MB in the end (delta: 48.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4973.64ms. Allocated memory was 98.6MB in the beginning and 192.9MB in the end (delta: 94.4MB). Free memory was 62.0MB in the beginning and 56.7MB in the end (delta: 5.3MB). Peak memory consumption was 117.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 202.58ms. Allocated memory was 192.9MB in the beginning and 272.6MB in the end (delta: 79.7MB). Free memory was 56.4MB in the beginning and 168.3MB in the end (delta: -112.0MB). Peak memory consumption was 12.8MB. 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-?-eb692b5 [2022-07-20 01:46:48,633 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 01:46:48,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 01:46:48,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 01:46:48,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 01:46:48,678 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 01:46:48,685 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 01:46:48,688 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 01:46:48,691 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 01:46:48,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 01:46:48,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 01:46:48,702 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 01:46:48,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 01:46:48,705 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 01:46:48,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 01:46:48,708 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 01:46:48,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 01:46:48,711 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 01:46:48,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 01:46:48,716 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 01:46:48,717 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 01:46:48,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 01:46:48,721 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 01:46:48,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 01:46:48,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 01:46:48,728 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 01:46:48,732 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 01:46:48,733 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 01:46:48,734 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 01:46:48,734 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 01:46:48,735 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 01:46:48,735 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 01:46:48,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 01:46:48,737 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 01:46:48,739 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 01:46:48,740 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 01:46:48,740 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 01:46:48,741 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 01:46:48,741 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 01:46:48,741 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 01:46:48,742 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 01:46:48,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 01:46:48,748 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-20 01:46:48,783 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 01:46:48,784 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 01:46:48,784 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 01:46:48,785 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 01:46:48,785 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 01:46:48,786 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 01:46:48,786 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 01:46:48,786 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 01:46:48,787 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 01:46:48,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 01:46:48,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 01:46:48,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 01:46:48,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 01:46:48,798 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 01:46:48,798 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 01:46:48,799 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 01:46:48,799 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 01:46:48,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 01:46:48,799 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 01:46:48,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 01:46:48,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 01:46:48,800 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 01:46:48,800 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 01:46:48,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:46:48,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 01:46:48,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 01:46:48,801 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 01:46:48,801 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 01:46:48,801 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 01:46:48,802 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 01:46:48,802 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 01:46:48,802 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 01:46:48,802 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 01:46:48,803 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45acb2c796116b4df93c0e090b1e242e2e986b4d7b1240180279cd2f8660db26 [2022-07-20 01:46:49,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 01:46:49,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 01:46:49,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 01:46:49,163 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 01:46:49,163 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 01:46:49,165 INFO L432 ainManager$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 [2022-07-20 01:46:49,232 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e9fe0cfe/a983f1f55d354a66aafaa9e3fb9fd4d8/FLAG6d3200f5e [2022-07-20 01:46:50,183 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 01:46:50,184 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 [2022-07-20 01:46:50,260 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e9fe0cfe/a983f1f55d354a66aafaa9e3fb9fd4d8/FLAG6d3200f5e [2022-07-20 01:46:50,698 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e9fe0cfe/a983f1f55d354a66aafaa9e3fb9fd4d8 [2022-07-20 01:46:50,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 01:46:50,703 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 01:46:50,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 01:46:50,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 01:46:50,709 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 01:46:50,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:46:50" (1/1) ... [2022-07-20 01:46:50,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cf52ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:46:50, skipping insertion in model container [2022-07-20 01:46:50,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:46:50" (1/1) ... [2022-07-20 01:46:50,718 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 01:46:50,898 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:46:55,309 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] [2022-07-20 01:46:55,312 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] [2022-07-20 01:46:55,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:46:55,404 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-20 01:46:55,486 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:46:55,968 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] [2022-07-20 01:46:55,969 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] [2022-07-20 01:46:55,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:46:56,005 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 01:46:56,556 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] [2022-07-20 01:46:56,557 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] [2022-07-20 01:46:56,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:46:56,793 INFO L208 MainTranslator]: Completed translation [2022-07-20 01:46:56,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:46:56 WrapperNode [2022-07-20 01:46:56,794 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 01:46:56,795 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 01:46:56,795 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 01:46:56,795 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 01:46:56,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:46:56" (1/1) ... [2022-07-20 01:46:56,940 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:46:56" (1/1) ... [2022-07-20 01:46:57,194 INFO L137 Inliner]: procedures = 557, calls = 4199, calls flagged for inlining = 248, calls inlined = 232, statements flattened = 8432 [2022-07-20 01:46:57,195 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 01:46:57,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 01:46:57,196 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 01:46:57,196 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 01:46:57,204 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:46:56" (1/1) ... [2022-07-20 01:46:57,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:46:56" (1/1) ... [2022-07-20 01:46:57,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:46:56" (1/1) ... [2022-07-20 01:46:57,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:46:56" (1/1) ... [2022-07-20 01:46:57,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:46:56" (1/1) ... [2022-07-20 01:46:57,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:46:56" (1/1) ... [2022-07-20 01:46:57,661 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:46:56" (1/1) ... [2022-07-20 01:46:57,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 01:46:57,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 01:46:57,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 01:46:57,737 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 01:46:57,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:46:56" (1/1) ... [2022-07-20 01:46:57,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:46:57,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 01:46:57,772 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) [2022-07-20 01:46:57,783 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 [2022-07-20 01:46:57,809 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2022-07-20 01:46:57,809 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2022-07-20 01:46:57,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_92 [2022-07-20 01:46:57,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_92 [2022-07-20 01:46:57,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 01:46:57,810 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 01:46:57,810 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-20 01:46:57,810 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-20 01:46:57,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 01:46:57,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 01:46:57,811 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2022-07-20 01:46:57,811 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2022-07-20 01:46:57,811 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2022-07-20 01:46:57,811 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2022-07-20 01:46:57,811 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-07-20 01:46:57,811 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-07-20 01:46:57,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_de4x5_private [2022-07-20 01:46:57,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_de4x5_private [2022-07-20 01:46:57,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_de4x5_private [2022-07-20 01:46:57,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_de4x5_private [2022-07-20 01:46:57,812 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2022-07-20 01:46:57,812 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2022-07-20 01:46:57,812 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2022-07-20 01:46:57,813 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2022-07-20 01:46:57,813 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-20 01:46:57,813 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-20 01:46:57,813 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2022-07-20 01:46:57,813 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2022-07-20 01:46:57,813 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 01:46:57,814 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 01:46:57,814 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2022-07-20 01:46:57,814 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2022-07-20 01:46:57,814 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2022-07-20 01:46:57,814 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2022-07-20 01:46:57,814 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-20 01:46:57,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-20 01:46:57,815 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2022-07-20 01:46:57,815 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2022-07-20 01:46:57,815 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-20 01:46:57,815 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-20 01:46:57,815 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2022-07-20 01:46:57,815 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2022-07-20 01:46:57,816 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-07-20 01:46:57,816 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-07-20 01:46:57,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 01:46:57,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 01:46:57,816 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2022-07-20 01:46:57,816 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2022-07-20 01:46:57,817 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-07-20 01:46:57,817 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-07-20 01:46:57,817 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-20 01:46:57,817 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-20 01:46:57,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 01:46:57,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 01:46:57,817 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2022-07-20 01:46:57,818 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2022-07-20 01:46:57,818 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2022-07-20 01:46:57,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 01:46:57,818 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-07-20 01:46:57,818 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-07-20 01:46:57,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-20 01:46:57,819 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-07-20 01:46:57,819 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-07-20 01:46:57,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-20 01:46:57,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-20 01:46:57,819 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-07-20 01:46:57,819 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-07-20 01:46:57,820 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2022-07-20 01:46:57,820 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2022-07-20 01:46:57,820 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 01:46:57,820 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 01:46:57,820 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-07-20 01:46:57,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-07-20 01:46:57,820 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-20 01:46:57,821 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-20 01:46:57,821 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2022-07-20 01:46:57,821 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2022-07-20 01:46:57,821 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2022-07-20 01:46:57,821 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2022-07-20 01:46:57,821 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-20 01:46:57,821 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-20 01:46:57,822 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 01:46:57,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 01:46:57,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 01:46:57,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 01:46:57,822 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~C_INT [2022-07-20 01:46:57,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~C_INT [2022-07-20 01:46:57,823 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-20 01:46:57,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-20 01:46:57,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 01:46:57,823 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 01:46:57,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-20 01:46:57,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-20 01:46:57,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-20 01:46:57,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-20 01:46:57,824 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2022-07-20 01:46:57,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2022-07-20 01:46:57,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-20 01:46:57,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-20 01:46:57,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-20 01:46:57,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-20 01:46:57,825 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2022-07-20 01:46:57,825 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2022-07-20 01:46:57,825 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-20 01:46:57,825 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-20 01:46:57,825 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-20 01:46:57,825 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-20 01:46:57,826 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2022-07-20 01:46:57,826 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2022-07-20 01:46:57,826 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-07-20 01:46:57,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-07-20 01:46:57,826 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2022-07-20 01:46:57,826 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2022-07-20 01:46:57,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 01:46:57,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-20 01:46:57,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-20 01:46:57,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-20 01:46:57,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-20 01:46:57,827 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2022-07-20 01:46:57,827 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2022-07-20 01:46:57,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 01:46:57,828 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2022-07-20 01:46:57,828 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2022-07-20 01:46:57,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 01:46:57,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 01:46:57,828 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 01:46:57,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 01:46:57,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 01:46:57,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-20 01:46:57,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-20 01:46:57,829 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 01:46:57,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 01:46:57,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-20 01:46:57,830 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2022-07-20 01:46:57,830 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2022-07-20 01:46:57,830 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-07-20 01:46:57,830 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-07-20 01:46:57,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-20 01:46:57,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-20 01:46:57,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-20 01:46:57,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-20 01:46:57,831 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2022-07-20 01:46:57,831 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2022-07-20 01:46:57,831 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2022-07-20 01:46:57,831 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2022-07-20 01:46:57,831 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2022-07-20 01:46:57,831 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2022-07-20 01:46:57,832 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-20 01:46:57,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-20 01:46:57,832 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2022-07-20 01:46:57,832 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2022-07-20 01:46:57,832 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 01:46:57,832 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 01:46:57,832 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2022-07-20 01:46:57,833 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2022-07-20 01:46:57,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-20 01:46:57,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-20 01:46:57,833 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-20 01:46:57,833 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-20 01:46:57,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-20 01:46:57,834 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2022-07-20 01:46:57,834 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2022-07-20 01:46:57,834 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2022-07-20 01:46:57,834 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2022-07-20 01:46:57,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 01:46:57,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 01:46:57,834 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2022-07-20 01:46:57,835 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2022-07-20 01:46:57,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-20 01:46:57,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-20 01:46:57,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-20 01:46:57,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-20 01:46:57,835 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2022-07-20 01:46:57,835 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2022-07-20 01:46:57,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-20 01:46:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 01:46:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-20 01:46:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 01:46:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 01:46:57,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 01:46:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2022-07-20 01:46:57,836 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2022-07-20 01:46:57,837 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-20 01:46:57,837 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-20 01:46:57,837 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2022-07-20 01:46:57,837 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2022-07-20 01:46:57,837 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2022-07-20 01:46:57,837 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2022-07-20 01:46:57,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-20 01:46:57,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-20 01:46:57,838 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2022-07-20 01:46:57,838 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2022-07-20 01:46:57,838 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2022-07-20 01:46:57,838 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2022-07-20 01:46:57,838 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2022-07-20 01:46:57,838 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2022-07-20 01:46:57,839 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2022-07-20 01:46:57,839 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2022-07-20 01:46:57,839 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2022-07-20 01:46:57,839 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2022-07-20 01:46:57,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 01:46:57,839 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 01:46:57,839 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2022-07-20 01:46:57,840 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2022-07-20 01:46:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-20 01:46:57,840 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-20 01:46:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2022-07-20 01:46:57,840 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2022-07-20 01:46:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-20 01:46:57,840 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-20 01:46:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2022-07-20 01:46:57,841 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2022-07-20 01:46:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2022-07-20 01:46:57,841 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2022-07-20 01:46:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-20 01:46:57,841 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-20 01:46:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_pci_remove [2022-07-20 01:46:57,842 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_pci_remove [2022-07-20 01:46:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 01:46:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2022-07-20 01:46:57,842 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2022-07-20 01:46:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2022-07-20 01:46:57,842 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2022-07-20 01:46:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2022-07-20 01:46:57,843 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2022-07-20 01:46:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2022-07-20 01:46:57,843 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2022-07-20 01:46:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 01:46:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2022-07-20 01:46:57,843 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2022-07-20 01:46:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-07-20 01:46:57,844 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-07-20 01:46:57,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-20 01:46:57,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-20 01:46:57,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-20 01:46:57,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-20 01:46:57,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 01:46:57,844 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-20 01:46:57,845 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-20 01:46:57,845 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2022-07-20 01:46:57,845 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2022-07-20 01:46:57,845 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-07-20 01:46:57,845 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-07-20 01:46:57,845 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2022-07-20 01:46:57,845 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2022-07-20 01:46:57,846 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2022-07-20 01:46:57,846 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2022-07-20 01:46:57,846 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 01:46:57,846 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 01:46:57,846 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-20 01:46:57,846 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-20 01:46:57,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-20 01:46:57,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-20 01:46:57,847 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2022-07-20 01:46:57,847 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2022-07-20 01:46:57,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 01:46:57,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 01:46:57,848 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-07-20 01:46:57,848 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-07-20 01:46:57,848 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2022-07-20 01:46:57,848 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2022-07-20 01:46:57,848 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2022-07-20 01:46:57,848 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2022-07-20 01:46:57,849 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2022-07-20 01:46:57,849 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2022-07-20 01:46:57,849 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2022-07-20 01:46:57,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2022-07-20 01:46:57,849 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-20 01:46:57,849 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-20 01:46:57,849 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-20 01:46:57,850 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-20 01:46:57,850 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 01:46:57,850 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 01:46:57,850 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2022-07-20 01:46:57,850 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2022-07-20 01:46:57,850 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 01:46:57,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 01:46:57,851 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-20 01:46:57,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-20 01:46:57,851 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_infoleaf [2022-07-20 01:46:57,851 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_infoleaf [2022-07-20 01:46:57,851 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2022-07-20 01:46:57,851 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2022-07-20 01:46:57,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-20 01:46:57,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-20 01:46:57,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-20 01:46:57,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-20 01:46:57,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 01:46:57,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 01:46:57,852 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2022-07-20 01:46:57,852 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2022-07-20 01:46:57,852 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-20 01:46:57,853 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-20 01:46:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2022-07-20 01:46:57,853 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2022-07-20 01:46:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-20 01:46:57,853 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-20 01:46:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_96 [2022-07-20 01:46:57,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_96 [2022-07-20 01:46:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2022-07-20 01:46:57,854 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2022-07-20 01:46:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2022-07-20 01:46:57,854 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2022-07-20 01:46:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2022-07-20 01:46:57,854 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2022-07-20 01:46:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2022-07-20 01:46:57,855 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2022-07-20 01:46:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 01:46:57,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 01:46:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2022-07-20 01:46:57,855 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2022-07-20 01:46:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2022-07-20 01:46:57,855 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2022-07-20 01:46:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2022-07-20 01:46:57,856 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2022-07-20 01:46:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2022-07-20 01:46:57,856 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2022-07-20 01:46:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2022-07-20 01:46:57,856 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2022-07-20 01:46:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2022-07-20 01:46:57,857 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2022-07-20 01:46:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-20 01:46:57,857 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-20 01:46:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2022-07-20 01:46:57,857 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2022-07-20 01:46:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_strncmp [2022-07-20 01:46:57,857 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_strncmp [2022-07-20 01:46:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-07-20 01:46:57,858 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-07-20 01:46:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2022-07-20 01:46:57,858 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2022-07-20 01:46:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2022-07-20 01:46:57,858 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2022-07-20 01:46:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2022-07-20 01:46:57,859 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2022-07-20 01:46:57,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 01:46:57,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 01:46:57,859 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-20 01:46:59,068 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 01:46:59,071 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 01:47:01,874 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 01:48:14,945 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-20 01:48:15,881 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 01:48:15,914 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 01:48:15,915 INFO L299 CfgBuilder]: Removed 17 assume(true) statements. [2022-07-20 01:48:15,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:48:15 BoogieIcfgContainer [2022-07-20 01:48:15,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 01:48:15,922 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 01:48:15,922 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 01:48:15,924 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 01:48:15,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:46:50" (1/3) ... [2022-07-20 01:48:15,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@257596b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:48:15, skipping insertion in model container [2022-07-20 01:48:15,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:46:56" (2/3) ... [2022-07-20 01:48:15,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@257596b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:48:15, skipping insertion in model container [2022-07-20 01:48:15,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:48:15" (3/3) ... [2022-07-20 01:48:15,927 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2022-07-20 01:48:15,939 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 01:48:15,939 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 01:48:16,058 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 01:48:16,069 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@4f47e62a, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2a686797 [2022-07-20 01:48:16,070 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 01:48:16,086 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) [2022-07-20 01:48:16,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-07-20 01:48:16,140 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:48:16,141 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] [2022-07-20 01:48:16,142 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:48:16,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:48:16,147 INFO L85 PathProgramCache]: Analyzing trace with hash 442050857, now seen corresponding path program 1 times [2022-07-20 01:48:16,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:48:16,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [212579502] [2022-07-20 01:48:16,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:48:16,165 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:48:16,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:48:16,167 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) [2022-07-20 01:48:16,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-20 01:48:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:18,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 2108 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:48:18,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:48:18,570 INFO L134 CoverageAnalysis]: Checked inductivity of 993 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 948 trivial. 0 not checked. [2022-07-20 01:48:18,570 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:48:18,571 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:48:18,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [212579502] [2022-07-20 01:48:18,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [212579502] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:48:18,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:48:18,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:48:18,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689119711] [2022-07-20 01:48:18,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:48:18,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:48:18,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:48:18,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:48:18,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:48:18,607 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) [2022-07-20 01:48:20,764 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 [] [2022-07-20 01:48:22,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:48:22,350 INFO L93 Difference]: Finished difference Result 10933 states and 16389 transitions. [2022-07-20 01:48:22,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:48:22,353 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 [2022-07-20 01:48:22,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:48:22,440 INFO L225 Difference]: With dead ends: 10933 [2022-07-20 01:48:22,440 INFO L226 Difference]: Without dead ends: 6939 [2022-07-20 01:48:22,487 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 [2022-07-20 01:48:22,494 INFO L413 NwaCegarLoop]: 6557 mSDtfsCounter, 4507 mSDsluCounter, 5657 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4507 SdHoareTripleChecker+Valid, 12214 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-07-20 01:48:22,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4507 Valid, 12214 Invalid, 86 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 66 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-07-20 01:48:22,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6939 states. [2022-07-20 01:48:22,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6939 to 6936. [2022-07-20 01:48:22,894 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) [2022-07-20 01:48:22,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6936 states to 6936 states and 10121 transitions. [2022-07-20 01:48:22,962 INFO L78 Accepts]: Start accepts. Automaton has 6936 states and 10121 transitions. Word has length 224 [2022-07-20 01:48:22,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:48:22,965 INFO L495 AbstractCegarLoop]: Abstraction has 6936 states and 10121 transitions. [2022-07-20 01:48:22,966 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) [2022-07-20 01:48:22,966 INFO L276 IsEmpty]: Start isEmpty. Operand 6936 states and 10121 transitions. [2022-07-20 01:48:22,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-07-20 01:48:22,992 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:48:22,993 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] [2022-07-20 01:48:23,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-20 01:48:23,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:48:23,216 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:48:23,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:48:23,216 INFO L85 PathProgramCache]: Analyzing trace with hash 43733265, now seen corresponding path program 1 times [2022-07-20 01:48:23,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:48:23,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1136161750] [2022-07-20 01:48:23,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:48:23,219 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:48:23,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:48:23,222 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) [2022-07-20 01:48:23,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-20 01:48:25,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:25,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 2454 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:48:25,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:48:25,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-07-20 01:48:25,811 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:48:25,811 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:48:25,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1136161750] [2022-07-20 01:48:25,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1136161750] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:48:25,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:48:25,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:48:25,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731033599] [2022-07-20 01:48:25,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:48:25,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:48:25,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:48:25,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:48:25,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:48:25,815 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) [2022-07-20 01:48:27,988 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:48:29,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:48:29,436 INFO L93 Difference]: Finished difference Result 20652 states and 30146 transitions. [2022-07-20 01:48:29,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:48:29,437 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 [2022-07-20 01:48:29,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:48:29,548 INFO L225 Difference]: With dead ends: 20652 [2022-07-20 01:48:29,548 INFO L226 Difference]: Without dead ends: 13751 [2022-07-20 01:48:29,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:48:29,599 INFO L413 NwaCegarLoop]: 6600 mSDtfsCounter, 5530 mSDsluCounter, 5617 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5530 SdHoareTripleChecker+Valid, 12217 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-20 01:48:29,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5530 Valid, 12217 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 3.0s Time] [2022-07-20 01:48:29,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13751 states. [2022-07-20 01:48:30,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13751 to 13747. [2022-07-20 01:48:30,141 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) [2022-07-20 01:48:30,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13747 states to 13747 states and 20062 transitions. [2022-07-20 01:48:30,240 INFO L78 Accepts]: Start accepts. Automaton has 13747 states and 20062 transitions. Word has length 264 [2022-07-20 01:48:30,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:48:30,241 INFO L495 AbstractCegarLoop]: Abstraction has 13747 states and 20062 transitions. [2022-07-20 01:48:30,242 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) [2022-07-20 01:48:30,242 INFO L276 IsEmpty]: Start isEmpty. Operand 13747 states and 20062 transitions. [2022-07-20 01:48:30,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2022-07-20 01:48:30,261 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:48:30,262 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] [2022-07-20 01:48:30,324 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-20 01:48:30,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:48:30,477 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:48:30,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:48:30,478 INFO L85 PathProgramCache]: Analyzing trace with hash -658485942, now seen corresponding path program 1 times [2022-07-20 01:48:30,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:48:30,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [918395082] [2022-07-20 01:48:30,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:48:30,480 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:48:30,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:48:30,483 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) [2022-07-20 01:48:30,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-20 01:48:32,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:32,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 2439 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:48:32,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:48:33,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-07-20 01:48:33,186 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:48:33,186 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:48:33,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [918395082] [2022-07-20 01:48:33,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [918395082] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:48:33,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:48:33,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:48:33,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995019040] [2022-07-20 01:48:33,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:48:33,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:48:33,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:48:33,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:48:33,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:48:33,189 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) [2022-07-20 01:48:35,361 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:48:36,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:48:36,700 INFO L93 Difference]: Finished difference Result 40999 states and 59852 transitions. [2022-07-20 01:48:36,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:48:36,701 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 [2022-07-20 01:48:36,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:48:36,931 INFO L225 Difference]: With dead ends: 40999 [2022-07-20 01:48:36,932 INFO L226 Difference]: Without dead ends: 27287 [2022-07-20 01:48:37,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:48:37,035 INFO L413 NwaCegarLoop]: 6600 mSDtfsCounter, 5529 mSDsluCounter, 5617 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5529 SdHoareTripleChecker+Valid, 12217 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-20 01:48:37,037 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] [2022-07-20 01:48:37,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27287 states. [2022-07-20 01:48:38,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27287 to 27281. [2022-07-20 01:48:38,361 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) [2022-07-20 01:48:38,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27281 states to 27281 states and 39815 transitions. [2022-07-20 01:48:38,555 INFO L78 Accepts]: Start accepts. Automaton has 27281 states and 39815 transitions. Word has length 267 [2022-07-20 01:48:38,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:48:38,557 INFO L495 AbstractCegarLoop]: Abstraction has 27281 states and 39815 transitions. [2022-07-20 01:48:38,557 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) [2022-07-20 01:48:38,557 INFO L276 IsEmpty]: Start isEmpty. Operand 27281 states and 39815 transitions. [2022-07-20 01:48:38,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2022-07-20 01:48:38,577 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:48:38,578 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] [2022-07-20 01:48:38,647 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-20 01:48:38,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:48:38,804 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:48:38,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:48:38,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1854398951, now seen corresponding path program 1 times [2022-07-20 01:48:38,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:48:38,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1557530744] [2022-07-20 01:48:38,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:48:38,811 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:48:38,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:48:38,812 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) [2022-07-20 01:48:38,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-20 01:48:40,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:41,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 2437 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:48:41,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:48:41,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-07-20 01:48:41,602 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:48:41,602 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:48:41,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1557530744] [2022-07-20 01:48:41,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1557530744] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:48:41,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:48:41,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:48:41,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437464779] [2022-07-20 01:48:41,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:48:41,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:48:41,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:48:41,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:48:41,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:48:41,605 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) [2022-07-20 01:48:43,728 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 [] [2022-07-20 01:48:45,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:48:45,610 INFO L93 Difference]: Finished difference Result 79434 states and 115883 transitions. [2022-07-20 01:48:45,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:48:45,611 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 [2022-07-20 01:48:45,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:48:46,070 INFO L225 Difference]: With dead ends: 79434 [2022-07-20 01:48:46,070 INFO L226 Difference]: Without dead ends: 52188 [2022-07-20 01:48:46,286 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 [2022-07-20 01:48:46,288 INFO L413 NwaCegarLoop]: 6600 mSDtfsCounter, 5528 mSDsluCounter, 5617 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5528 SdHoareTripleChecker+Valid, 12217 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-20 01:48:46,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5528 Valid, 12217 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2022-07-20 01:48:46,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52188 states. [2022-07-20 01:48:48,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52188 to 52170. [2022-07-20 01:48:48,368 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) [2022-07-20 01:48:48,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52170 states to 52170 states and 76061 transitions. [2022-07-20 01:48:48,681 INFO L78 Accepts]: Start accepts. Automaton has 52170 states and 76061 transitions. Word has length 268 [2022-07-20 01:48:48,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:48:48,682 INFO L495 AbstractCegarLoop]: Abstraction has 52170 states and 76061 transitions. [2022-07-20 01:48:48,683 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) [2022-07-20 01:48:48,683 INFO L276 IsEmpty]: Start isEmpty. Operand 52170 states and 76061 transitions. [2022-07-20 01:48:48,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-07-20 01:48:48,690 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:48:48,690 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] [2022-07-20 01:48:48,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-20 01:48:48,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:48:48,904 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:48:48,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:48:48,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1083184228, now seen corresponding path program 1 times [2022-07-20 01:48:48,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:48:48,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1961866593] [2022-07-20 01:48:48,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:48:48,907 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:48:48,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:48:48,909 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) [2022-07-20 01:48:48,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-20 01:48:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:48:50,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 2183 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:48:50,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:48:51,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 960 trivial. 0 not checked. [2022-07-20 01:48:51,322 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:48:51,323 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:48:51,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1961866593] [2022-07-20 01:48:51,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1961866593] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:48:51,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:48:51,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:48:51,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532971421] [2022-07-20 01:48:51,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:48:51,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:48:51,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:48:51,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:48:51,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:48:51,326 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) [2022-07-20 01:48:53,588 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:48:56,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:48:56,379 INFO L93 Difference]: Finished difference Result 153282 states and 225709 transitions. [2022-07-20 01:48:56,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:48:56,380 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 [2022-07-20 01:48:56,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:48:57,403 INFO L225 Difference]: With dead ends: 153282 [2022-07-20 01:48:57,403 INFO L226 Difference]: Without dead ends: 101147 [2022-07-20 01:48:57,783 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 [2022-07-20 01:48:57,784 INFO L413 NwaCegarLoop]: 6671 mSDtfsCounter, 5417 mSDsluCounter, 5668 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s 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, 2.5s IncrementalHoareTripleChecker+Time [2022-07-20 01:48:57,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5417 Valid, 12339 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-07-20 01:48:57,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101147 states. [2022-07-20 01:49:01,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101147 to 101115. [2022-07-20 01:49:01,254 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) [2022-07-20 01:49:02,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101115 states to 101115 states and 149603 transitions. [2022-07-20 01:49:02,107 INFO L78 Accepts]: Start accepts. Automaton has 101115 states and 149603 transitions. Word has length 269 [2022-07-20 01:49:02,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:49:02,109 INFO L495 AbstractCegarLoop]: Abstraction has 101115 states and 149603 transitions. [2022-07-20 01:49:02,109 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) [2022-07-20 01:49:02,109 INFO L276 IsEmpty]: Start isEmpty. Operand 101115 states and 149603 transitions. [2022-07-20 01:49:02,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-07-20 01:49:02,122 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:49:02,122 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] [2022-07-20 01:49:02,411 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-07-20 01:49:02,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:49:02,616 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:49:02,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:49:02,617 INFO L85 PathProgramCache]: Analyzing trace with hash -100701965, now seen corresponding path program 1 times [2022-07-20 01:49:02,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:49:02,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [376635056] [2022-07-20 01:49:02,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:49:02,619 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:49:02,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:49:02,620 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) [2022-07-20 01:49:02,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-20 01:49:04,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:49:04,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 2247 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:49:04,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:49:05,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 1056 trivial. 0 not checked. [2022-07-20 01:49:05,909 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:49:05,910 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:49:05,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [376635056] [2022-07-20 01:49:05,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [376635056] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:49:05,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:49:05,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:49:05,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577710786] [2022-07-20 01:49:05,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:49:05,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:49:05,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:49:05,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:49:05,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:49:05,911 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) [2022-07-20 01:49:08,082 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:49:13,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:49:13,237 INFO L93 Difference]: Finished difference Result 244778 states and 362195 transitions. [2022-07-20 01:49:13,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:49:13,237 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 [2022-07-20 01:49:13,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:49:14,175 INFO L225 Difference]: With dead ends: 244778 [2022-07-20 01:49:14,175 INFO L226 Difference]: Without dead ends: 143698 [2022-07-20 01:49:14,906 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 [2022-07-20 01:49:14,907 INFO L413 NwaCegarLoop]: 10105 mSDtfsCounter, 4445 mSDsluCounter, 5591 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4445 SdHoareTripleChecker+Valid, 15696 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-07-20 01:49:14,907 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] [2022-07-20 01:49:15,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143698 states. [2022-07-20 01:49:19,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143698 to 143680. [2022-07-20 01:49:19,433 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) [2022-07-20 01:49:20,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143680 states to 143680 states and 212385 transitions. [2022-07-20 01:49:20,675 INFO L78 Accepts]: Start accepts. Automaton has 143680 states and 212385 transitions. Word has length 284 [2022-07-20 01:49:20,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:49:20,676 INFO L495 AbstractCegarLoop]: Abstraction has 143680 states and 212385 transitions. [2022-07-20 01:49:20,677 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) [2022-07-20 01:49:20,677 INFO L276 IsEmpty]: Start isEmpty. Operand 143680 states and 212385 transitions. [2022-07-20 01:49:20,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2022-07-20 01:49:20,692 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:49:20,692 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] [2022-07-20 01:49:20,753 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-07-20 01:49:20,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:49:20,908 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:49:20,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:49:20,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1489193519, now seen corresponding path program 1 times [2022-07-20 01:49:20,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:49:20,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1730460808] [2022-07-20 01:49:20,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:49:20,911 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:49:20,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:49:20,912 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) [2022-07-20 01:49:20,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-20 01:49:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:49:22,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 2390 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:49:22,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:49:23,555 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2022-07-20 01:49:23,555 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:49:23,555 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:49:23,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1730460808] [2022-07-20 01:49:23,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1730460808] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:49:23,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:49:23,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:49:23,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546239689] [2022-07-20 01:49:23,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:49:23,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:49:23,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:49:23,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:49:23,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:49:23,557 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) [2022-07-20 01:49:25,695 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:49:31,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:49:31,663 INFO L93 Difference]: Finished difference Result 329777 states and 487517 transitions. [2022-07-20 01:49:31,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 01:49:31,664 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 [2022-07-20 01:49:31,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:49:33,171 INFO L225 Difference]: With dead ends: 329777 [2022-07-20 01:49:33,172 INFO L226 Difference]: Without dead ends: 186132 [2022-07-20 01:49:33,864 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 [2022-07-20 01:49:33,865 INFO L413 NwaCegarLoop]: 10106 mSDtfsCounter, 4449 mSDsluCounter, 5598 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4449 SdHoareTripleChecker+Valid, 15704 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-07-20 01:49:33,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4449 Valid, 15704 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 61 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-07-20 01:49:34,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186132 states. [2022-07-20 01:49:39,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186132 to 186114. [2022-07-20 01:49:39,576 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) [2022-07-20 01:49:41,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186114 states to 186114 states and 274989 transitions. [2022-07-20 01:49:41,196 INFO L78 Accepts]: Start accepts. Automaton has 186114 states and 274989 transitions. Word has length 361 [2022-07-20 01:49:41,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:49:41,197 INFO L495 AbstractCegarLoop]: Abstraction has 186114 states and 274989 transitions. [2022-07-20 01:49:41,197 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) [2022-07-20 01:49:41,197 INFO L276 IsEmpty]: Start isEmpty. Operand 186114 states and 274989 transitions. [2022-07-20 01:49:41,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2022-07-20 01:49:41,211 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:49:41,212 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] [2022-07-20 01:49:41,283 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-20 01:49:41,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 01:49:41,432 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:49:41,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:49:41,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1448518769, now seen corresponding path program 1 times [2022-07-20 01:49:41,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 01:49:41,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [429498899] [2022-07-20 01:49:41,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:49:41,435 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 01:49:41,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 01:49:41,437 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) [2022-07-20 01:49:41,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-20 01:49:43,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:49:43,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 2390 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 01:49:43,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 01:49:44,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2022-07-20 01:49:44,055 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 01:49:44,055 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 01:49:44,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [429498899] [2022-07-20 01:49:44,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [429498899] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:49:44,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:49:44,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 01:49:44,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519562146] [2022-07-20 01:49:44,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:49:44,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 01:49:44,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 01:49:44,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 01:49:44,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 01:49:44,057 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) [2022-07-20 01:49:46,184 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 []