./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-marvell-sky2.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-sky2.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 420f46e1636dc611874a0bbfeb0e9dd74d5fb59c9c42275d858865fbb83330f0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:55:56,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:55:56,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:55:56,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:55:56,878 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:55:56,879 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:55:56,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:55:56,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:55:56,886 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:55:56,891 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:55:56,892 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:55:56,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:55:56,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:55:56,900 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:55:56,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:55:56,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:55:56,907 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:55:56,908 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:55:56,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:55:56,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:55:56,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:55:56,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:55:56,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:55:56,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:55:56,924 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:55:56,925 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:55:56,925 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:55:56,926 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:55:56,927 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:55:56,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:55:56,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:55:56,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:55:56,941 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:55:56,943 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:55:56,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:55:56,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:55:56,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:55:56,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:55:56,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:55:56,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:55:56,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:55:56,950 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 22:55:57,007 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:55:57,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:55:57,008 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:55:57,008 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:55:57,008 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:55:57,008 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:55:57,009 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:55:57,009 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 22:55:57,009 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:55:57,009 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:55:57,009 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 22:55:57,010 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 22:55:57,010 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:55:57,010 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 22:55:57,010 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 22:55:57,011 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 22:55:57,011 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:55:57,012 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:55:57,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:55:57,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:55:57,012 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:55:57,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:55:57,013 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:55:57,013 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:55:57,013 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:55:57,013 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:55:57,014 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:55:57,014 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:55:57,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:55:57,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:55:57,021 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:55:57,021 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:55:57,022 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 22:55:57,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 22:55:57,022 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:55:57,022 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:55:57,023 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:55:57,024 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 420f46e1636dc611874a0bbfeb0e9dd74d5fb59c9c42275d858865fbb83330f0 [2021-11-12 22:55:57,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:55:57,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:55:57,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:55:57,319 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:55:57,320 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:55:57,322 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-sky2.cil.i [2021-11-12 22:55:57,411 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/data/2fe8e1fd7/ed94fb7b87d845658ebcc03c8515d95b/FLAG0a2aa17ea [2021-11-12 22:55:58,490 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:55:58,491 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-sky2.cil.i [2021-11-12 22:55:58,573 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/data/2fe8e1fd7/ed94fb7b87d845658ebcc03c8515d95b/FLAG0a2aa17ea [2021-11-12 22:55:58,727 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/data/2fe8e1fd7/ed94fb7b87d845658ebcc03c8515d95b [2021-11-12 22:55:58,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:55:58,731 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:55:58,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:55:58,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:55:58,735 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:55:58,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:55:58" (1/1) ... [2021-11-12 22:55:58,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28c680b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:55:58, skipping insertion in model container [2021-11-12 22:55:58,737 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:55:58" (1/1) ... [2021-11-12 22:55:58,744 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:55:58,981 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:56:03,113 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:56:03,224 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:56:03,376 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:56:03,376 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:56:03,732 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:56:03,744 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:56:06,121 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[598078,598091] [2021-11-12 22:56:06,124 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[598223,598236] [2021-11-12 22:56:06,163 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:56:06,261 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-12 22:56:06,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@371841b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:56:06, skipping insertion in model container [2021-11-12 22:56:06,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:56:06,262 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 22:56:06,264 INFO L158 Benchmark]: Toolchain (without parser) took 7532.01ms. Allocated memory was 96.5MB in the beginning and 182.5MB in the end (delta: 86.0MB). Free memory was 50.0MB in the beginning and 76.5MB in the end (delta: -26.5MB). Peak memory consumption was 95.1MB. Max. memory is 16.1GB. [2021-11-12 22:56:06,265 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 96.5MB. Free memory was 69.8MB in the beginning and 69.8MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:56:06,267 INFO L158 Benchmark]: CACSL2BoogieTranslator took 7529.76ms. Allocated memory was 96.5MB in the beginning and 182.5MB in the end (delta: 86.0MB). Free memory was 49.8MB in the beginning and 76.5MB in the end (delta: -26.8MB). Peak memory consumption was 93.0MB. Max. memory is 16.1GB. [2021-11-12 22:56:06,269 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 96.5MB. Free memory was 69.8MB in the beginning and 69.8MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 7529.76ms. Allocated memory was 96.5MB in the beginning and 182.5MB in the end (delta: 86.0MB). Free memory was 49.8MB in the beginning and 76.5MB in the end (delta: -26.8MB). Peak memory consumption was 93.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7082]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) 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=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-sky2.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 420f46e1636dc611874a0bbfeb0e9dd74d5fb59c9c42275d858865fbb83330f0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:56:08,566 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:56:08,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:56:08,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:56:08,629 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:56:08,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:56:08,637 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:56:08,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:56:08,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:56:08,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:56:08,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:56:08,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:56:08,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:56:08,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:56:08,662 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:56:08,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:56:08,669 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:56:08,670 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:56:08,672 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:56:08,680 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:56:08,682 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:56:08,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:56:08,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:56:08,689 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:56:08,693 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:56:08,693 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:56:08,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:56:08,696 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:56:08,696 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:56:08,698 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:56:08,698 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:56:08,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:56:08,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:56:08,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:56:08,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:56:08,704 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:56:08,711 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:56:08,711 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:56:08,712 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:56:08,714 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:56:08,715 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:56:08,716 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 22:56:08,762 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:56:08,763 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:56:08,764 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:56:08,764 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:56:08,765 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:56:08,765 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:56:08,765 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:56:08,765 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:56:08,766 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:56:08,766 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:56:08,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:56:08,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:56:08,770 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:56:08,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:56:08,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:56:08,770 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:56:08,770 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 22:56:08,771 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 22:56:08,771 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:56:08,771 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:56:08,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:56:08,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:56:08,772 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 22:56:08,772 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:56:08,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:56:08,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:56:08,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:56:08,773 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:56:08,773 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 22:56:08,773 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 22:56:08,773 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:56:08,773 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:56:08,774 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:56:08,774 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 420f46e1636dc611874a0bbfeb0e9dd74d5fb59c9c42275d858865fbb83330f0 [2021-11-12 22:56:09,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:56:09,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:56:09,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:56:09,224 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:56:09,225 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:56:09,226 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-sky2.cil.i [2021-11-12 22:56:09,296 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/data/92a7d78f0/9be44cb1182a47168107c4edcdbe10eb/FLAG7bdfd6e86 [2021-11-12 22:56:10,508 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:56:10,508 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-sky2.cil.i [2021-11-12 22:56:10,634 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/data/92a7d78f0/9be44cb1182a47168107c4edcdbe10eb/FLAG7bdfd6e86 [2021-11-12 22:56:10,657 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/data/92a7d78f0/9be44cb1182a47168107c4edcdbe10eb [2021-11-12 22:56:10,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:56:10,666 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:56:10,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:56:10,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:56:10,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:56:10,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:56:10" (1/1) ... [2021-11-12 22:56:10,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@629510a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:56:10, skipping insertion in model container [2021-11-12 22:56:10,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:56:10" (1/1) ... [2021-11-12 22:56:10,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:56:10,918 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:56:19,081 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[598078,598091] [2021-11-12 22:56:19,084 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[598223,598236] [2021-11-12 22:56:19,153 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:56:19,288 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 22:56:19,425 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:56:20,069 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[598078,598091] [2021-11-12 22:56:20,070 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[598223,598236] [2021-11-12 22:56:20,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:56:20,152 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 22:56:21,162 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[598078,598091] [2021-11-12 22:56:21,163 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[598223,598236] [2021-11-12 22:56:21,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:56:21,849 INFO L208 MainTranslator]: Completed translation [2021-11-12 22:56:21,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:56:21 WrapperNode [2021-11-12 22:56:21,850 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:56:21,851 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 22:56:21,852 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 22:56:21,852 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 22:56:21,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:56:21" (1/1) ... [2021-11-12 22:56:22,081 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:56:21" (1/1) ... [2021-11-12 22:56:22,522 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 22:56:22,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 22:56:22,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 22:56:22,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 22:56:22,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:56:21" (1/1) ... [2021-11-12 22:56:22,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:56:21" (1/1) ... [2021-11-12 22:56:22,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:56:21" (1/1) ... [2021-11-12 22:56:22,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:56:21" (1/1) ... [2021-11-12 22:56:22,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:56:21" (1/1) ... [2021-11-12 22:56:22,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:56:21" (1/1) ... [2021-11-12 22:56:23,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:56:21" (1/1) ... [2021-11-12 22:56:23,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 22:56:23,177 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 22:56:23,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 22:56:23,178 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 22:56:23,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:56:21" (1/1) ... [2021-11-12 22:56:23,187 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:56:23,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 22:56:23,212 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 22:56:23,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 22:56:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-12 22:56:23,261 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-12 22:56:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_remove [2021-11-12 22:56:23,262 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_remove [2021-11-12 22:56:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_led [2021-11-12 22:56:23,262 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_led [2021-11-12 22:56:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_alloc_rx_skbs [2021-11-12 22:56:23,263 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_alloc_rx_skbs [2021-11-12 22:56:23,263 INFO L130 BoogieDeclarations]: Found specification of procedure rx_set_rss [2021-11-12 22:56:23,263 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_set_rss [2021-11-12 22:56:23,263 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_power_aux [2021-11-12 22:56:23,263 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_power_aux [2021-11-12 22:56:23,263 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-12 22:56:23,264 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-12 22:56:23,264 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2021-11-12 22:56:23,264 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2021-11-12 22:56:23,264 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-12 22:56:23,264 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-12 22:56:23,264 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_add_filter [2021-11-12 22:56:23,265 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_add_filter [2021-11-12 22:56:23,265 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-12 22:56:23,265 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-12 22:56:23,265 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2021-11-12 22:56:23,265 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2021-11-12 22:56:23,265 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_set [2021-11-12 22:56:23,266 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_set [2021-11-12 22:56:23,266 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-12 22:56:23,266 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-12 22:56:23,266 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-12 22:56:23,266 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-12 22:56:23,266 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_init_netdev [2021-11-12 22:56:23,267 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_init_netdev [2021-11-12 22:56:23,267 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-12 22:56:23,267 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-12 22:56:23,267 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-12 22:56:23,267 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-12 22:56:23,267 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2021-11-12 22:56:23,268 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2021-11-12 22:56:23,268 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_get_regs_len [2021-11-12 22:56:23,268 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_get_regs_len [2021-11-12 22:56:23,268 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-12 22:56:23,268 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-12 22:56:23,268 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_update [2021-11-12 22:56:23,269 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_update [2021-11-12 22:56:23,269 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-12 22:56:23,269 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-12 22:56:23,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-12 22:56:23,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-12 22:56:23,269 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_ramset [2021-11-12 22:56:23,270 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_ramset [2021-11-12 22:56:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-12 22:56:23,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-12 22:56:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_update_features [2021-11-12 22:56:23,270 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_update_features [2021-11-12 22:56:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_netpoll [2021-11-12 22:56:23,271 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_netpoll [2021-11-12 22:56:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-12 22:56:23,271 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-12 22:56:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-12 22:56:23,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-12 22:56:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-11-12 22:56:23,272 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-11-12 22:56:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-12 22:56:23,272 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-12 22:56:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-12 22:56:23,272 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-12 22:56:23,272 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-12 22:56:23,273 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-12 22:56:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2021-11-12 22:56:23,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2021-11-12 22:56:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-12 22:56:23,273 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-12 22:56:23,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 22:56:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-12 22:56:23,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-12 22:56:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-12 22:56:23,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-12 22:56:23,274 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_add [2021-11-12 22:56:23,274 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_add [2021-11-12 22:56:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-12 22:56:23,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-11-12 22:56:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2021-11-12 22:56:23,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2021-11-12 22:56:23,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-12 22:56:23,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-12 22:56:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2021-11-12 22:56:23,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2021-11-12 22:56:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2021-11-12 22:56:23,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2021-11-12 22:56:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-12 22:56:23,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-12 22:56:23,276 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_map_skb [2021-11-12 22:56:23,277 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_map_skb [2021-11-12 22:56:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_resume [2021-11-12 22:56:23,277 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_resume [2021-11-12 22:56:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure roundup_ring_size [2021-11-12 22:56:23,277 INFO L138 BoogieDeclarations]: Found implementation of procedure roundup_ring_size [2021-11-12 22:56:23,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-12 22:56:23,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-12 22:56:23,278 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-12 22:56:23,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-12 22:56:23,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 22:56:23,278 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-12 22:56:23,278 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_read32 [2021-11-12 22:56:23,279 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_read32 [2021-11-12 22:56:23,279 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-12 22:56:23,279 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-12 22:56:23,279 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2021-11-12 22:56:23,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2021-11-12 22:56:23,279 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2021-11-12 22:56:23,280 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2021-11-12 22:56:23,280 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_clean [2021-11-12 22:56:23,280 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_clean [2021-11-12 22:56:23,280 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-12 22:56:23,280 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-12 22:56:23,280 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-12 22:56:23,281 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-12 22:56:23,281 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_hw_down [2021-11-12 22:56:23,281 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_hw_down [2021-11-12 22:56:23,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-12 22:56:23,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-12 22:56:23,281 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_reinit [2021-11-12 22:56:23,282 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_reinit [2021-11-12 22:56:23,282 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-12 22:56:23,282 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-12 22:56:23,282 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_read16 [2021-11-12 22:56:23,282 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_read16 [2021-11-12 22:56:23,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 22:56:23,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 22:56:23,283 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_write16 [2021-11-12 22:56:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_write16 [2021-11-12 22:56:23,283 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-12 22:56:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-12 22:56:23,283 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_free_buffers [2021-11-12 22:56:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_free_buffers [2021-11-12 22:56:23,284 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-12 22:56:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-12 22:56:23,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 22:56:23,284 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-12 22:56:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-12 22:56:23,284 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2021-11-12 22:56:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2021-11-12 22:56:23,285 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-12 22:56:23,285 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-12 22:56:23,285 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read32 [2021-11-12 22:56:23,285 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read32 [2021-11-12 22:56:23,285 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-12 22:56:23,285 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_set_multicast [2021-11-12 22:56:23,286 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_set_multicast [2021-11-12 22:56:23,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-12 22:56:23,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-12 22:56:23,286 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_prefetch_init [2021-11-12 22:56:23,286 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_prefetch_init [2021-11-12 22:56:23,286 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_reset [2021-11-12 22:56:23,286 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_reset [2021-11-12 22:56:23,287 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-12 22:56:23,287 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-12 22:56:23,287 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-11-12 22:56:23,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-11-12 22:56:23,287 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-12 22:56:23,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-12 22:56:23,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_phy_lock_of_sky2_port [2021-11-12 22:56:23,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_phy_lock_of_sky2_port [2021-11-12 22:56:23,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-12 22:56:23,288 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-12 22:56:23,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-12 22:56:23,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-12 22:56:23,288 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-12 22:56:23,289 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-12 22:56:23,289 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_vpd_wait [2021-11-12 22:56:23,289 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_vpd_wait [2021-11-12 22:56:23,289 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-12 22:56:23,289 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-12 22:56:23,289 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_shutdown [2021-11-12 22:56:23,289 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_shutdown [2021-11-12 22:56:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read16 [2021-11-12 22:56:23,290 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read16 [2021-11-12 22:56:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_le [2021-11-12 22:56:23,290 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_le [2021-11-12 22:56:23,290 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_stop [2021-11-12 22:56:23,290 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_stop [2021-11-12 22:56:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 22:56:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-12 22:56:23,291 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-12 22:56:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 22:56:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_all_down [2021-11-12 22:56:23,291 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_all_down [2021-11-12 22:56:23,291 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-12 22:56:23,292 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-12 22:56:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure __gm_phy_read [2021-11-12 22:56:23,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __gm_phy_read [2021-11-12 22:56:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-12 22:56:23,292 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-12 22:56:23,292 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2021-11-12 22:56:23,293 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2021-11-12 22:56:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-12 22:56:23,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-12 22:56:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_103 [2021-11-12 22:56:23,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_103 [2021-11-12 22:56:23,293 INFO L130 BoogieDeclarations]: Found specification of procedure gma_write16 [2021-11-12 22:56:23,294 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_write16 [2021-11-12 22:56:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-12 22:56:23,294 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-12 22:56:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_next_rx [2021-11-12 22:56:23,294 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_next_rx [2021-11-12 22:56:23,294 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-12 22:56:23,294 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-12 22:56:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2021-11-12 22:56:23,295 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2021-11-12 22:56:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_get_eeprom_len [2021-11-12 22:56:23,295 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_get_eeprom_len [2021-11-12 22:56:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 22:56:23,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 22:56:23,295 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-12 22:56:23,296 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-12 22:56:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 22:56:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_us2clk [2021-11-12 22:56:23,296 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_us2clk [2021-11-12 22:56:23,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 22:56:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 22:56:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 22:56:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-12 22:56:23,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-12 22:56:23,297 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2021-11-12 22:56:23,297 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2021-11-12 22:56:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-12 22:56:23,298 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-12 22:56:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2021-11-12 22:56:23,298 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2021-11-12 22:56:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-11-12 22:56:23,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-11-12 22:56:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-11-12 22:56:23,299 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-11-12 22:56:23,299 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_qset [2021-11-12 22:56:23,299 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_qset [2021-11-12 22:56:23,299 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_mhz [2021-11-12 22:56:23,299 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_mhz [2021-11-12 22:56:23,299 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-12 22:56:23,299 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-12 22:56:23,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-12 22:56:23,300 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-12 22:56:23,300 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-11-12 22:56:23,300 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-11-12 22:56:23,300 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats32 [2021-11-12 22:56:23,300 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats32 [2021-11-12 22:56:23,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 22:56:23,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 22:56:23,301 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-12 22:56:23,301 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-12 22:56:23,301 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_supported_modes [2021-11-12 22:56:23,301 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_supported_modes [2021-11-12 22:56:23,301 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_read [2021-11-12 22:56:23,302 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_read [2021-11-12 22:56:23,302 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_alloc [2021-11-12 22:56:23,302 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_alloc [2021-11-12 22:56:23,302 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-12 22:56:23,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-12 22:56:23,302 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2021-11-12 22:56:23,303 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2021-11-12 22:56:23,303 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2021-11-12 22:56:23,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2021-11-12 22:56:23,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-12 22:56:23,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-12 22:56:23,303 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_show_addr [2021-11-12 22:56:23,303 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_show_addr [2021-11-12 22:56:23,304 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-12 22:56:23,304 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-12 22:56:23,304 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_close [2021-11-12 22:56:23,304 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_close [2021-11-12 22:56:23,304 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-12 22:56:23,304 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-12 22:56:23,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-12 22:56:23,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-12 22:56:23,305 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_start [2021-11-12 22:56:23,305 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_start [2021-11-12 22:56:23,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 22:56:23,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-12 22:56:23,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 22:56:23,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 22:56:23,306 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-11-12 22:56:23,306 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-11-12 22:56:23,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 22:56:23,306 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats64 [2021-11-12 22:56:23,306 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats64 [2021-11-12 22:56:23,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-12 22:56:23,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-12 22:56:23,307 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-12 22:56:23,307 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-12 22:56:23,307 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-12 22:56:23,307 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-12 22:56:23,307 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_pcie [2021-11-12 22:56:23,307 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_pcie [2021-11-12 22:56:23,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-12 22:56:23,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-12 22:56:23,308 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-12 22:56:23,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-12 22:56:23,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-12 22:56:23,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-12 22:56:23,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-12 22:56:23,309 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-12 22:56:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-12 22:56:23,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-12 22:56:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-12 22:56:23,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-12 22:56:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_hw_up [2021-11-12 22:56:23,309 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_hw_up [2021-11-12 22:56:23,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-12 22:56:23,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-12 22:56:23,310 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_unmap [2021-11-12 22:56:23,310 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_unmap [2021-11-12 22:56:23,310 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_put_idx [2021-11-12 22:56:23,310 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_put_idx [2021-11-12 22:56:23,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 22:56:23,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 22:56:23,311 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 22:56:23,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 22:56:23,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 22:56:23,311 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2021-11-12 22:56:23,311 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2021-11-12 22:56:23,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-12 22:56:23,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-12 22:56:23,312 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2021-11-12 22:56:23,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2021-11-12 22:56:23,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-12 22:56:23,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-12 22:56:23,312 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_power_up [2021-11-12 22:56:23,313 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_power_up [2021-11-12 22:56:23,313 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_init [2021-11-12 22:56:23,313 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_init [2021-11-12 22:56:23,313 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-12 22:56:23,313 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-12 22:56:23,313 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_complete [2021-11-12 22:56:23,313 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_complete [2021-11-12 22:56:23,313 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2021-11-12 22:56:23,314 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2021-11-12 22:56:23,314 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-12 22:56:23,314 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-12 22:56:23,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 22:56:23,314 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read16 [2021-11-12 22:56:23,314 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read16 [2021-11-12 22:56:23,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 22:56:23,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 22:56:23,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 22:56:23,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 22:56:23,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-12 22:56:23,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-12 22:56:23,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-12 22:56:23,315 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_all_up [2021-11-12 22:56:23,316 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_all_up [2021-11-12 22:56:23,316 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_timeout [2021-11-12 22:56:23,316 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_timeout [2021-11-12 22:56:23,316 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-12 22:56:23,316 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-12 22:56:23,316 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_wol_supported [2021-11-12 22:56:23,316 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_wol_supported [2021-11-12 22:56:23,317 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_write32 [2021-11-12 22:56:23,317 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_write32 [2021-11-12 22:56:23,317 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-11-12 22:56:23,317 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-11-12 22:56:23,317 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_submit [2021-11-12 22:56:23,317 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_submit [2021-11-12 22:56:23,317 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-12 22:56:23,318 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-12 22:56:23,318 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-12 22:56:23,318 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-12 22:56:23,318 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_vlan_mode [2021-11-12 22:56:23,318 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_vlan_mode [2021-11-12 22:56:23,318 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read8 [2021-11-12 22:56:23,319 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read8 [2021-11-12 22:56:23,319 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2021-11-12 22:56:23,319 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2021-11-12 22:56:23,319 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read32 [2021-11-12 22:56:23,319 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read32 [2021-11-12 22:56:23,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_phy_lock_of_sky2_port [2021-11-12 22:56:23,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_phy_lock_of_sky2_port [2021-11-12 22:56:23,320 INFO L130 BoogieDeclarations]: Found specification of procedure gma_set_addr [2021-11-12 22:56:23,320 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_set_addr [2021-11-12 22:56:23,320 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-12 22:56:23,320 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-12 22:56:23,320 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-12 22:56:23,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-12 22:56:23,320 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-12 22:56:23,321 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-12 22:56:23,321 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-12 22:56:23,321 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-12 22:56:23,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 22:56:23,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 22:56:23,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 22:56:23,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 22:56:23,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 22:56:23,322 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_nway_reset [2021-11-12 22:56:23,322 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_nway_reset [2021-11-12 22:56:23,322 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-12 22:56:23,322 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-12 22:56:23,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-12 22:56:23,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-12 22:56:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-12 22:56:23,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-12 22:56:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-12 22:56:23,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-12 22:56:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-12 22:56:23,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-12 22:56:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure tx_avail [2021-11-12 22:56:23,324 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_avail [2021-11-12 22:56:23,324 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_unmap_skb [2021-11-12 22:56:23,324 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_unmap_skb [2021-11-12 22:56:23,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-12 22:56:23,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-12 22:56:23,324 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_clk2us [2021-11-12 22:56:23,324 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_clk2us [2021-11-12 22:56:23,325 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_set_tx_stfwd [2021-11-12 22:56:23,325 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_set_tx_stfwd [2021-11-12 22:56:23,325 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_enable_rx_tx [2021-11-12 22:56:23,325 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_enable_rx_tx [2021-11-12 22:56:23,325 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-12 22:56:23,325 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-12 22:56:23,325 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-11-12 22:56:23,326 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-11-12 22:56:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sky2_cleanup_module_22_2 [2021-11-12 22:56:23,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sky2_cleanup_module_22_2 [2021-11-12 22:56:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-12 22:56:23,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-12 22:56:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_setup_irq [2021-11-12 22:56:23,326 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_setup_irq [2021-11-12 22:56:23,327 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-12 22:56:23,327 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-12 22:56:23,327 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-11-12 22:56:23,327 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-11-12 22:56:23,327 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_is_copper [2021-11-12 22:56:23,327 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_is_copper [2021-11-12 22:56:23,327 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-12 22:56:23,328 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-12 22:56:23,328 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_suspend [2021-11-12 22:56:23,328 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_suspend [2021-11-12 22:56:23,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_104 [2021-11-12 22:56:23,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_104 [2021-11-12 22:56:23,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2021-11-12 22:56:23,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2021-11-12 22:56:23,328 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-12 22:56:23,329 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-12 22:56:23,329 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write16 [2021-11-12 22:56:23,329 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write16 [2021-11-12 22:56:23,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-12 22:56:23,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-12 22:56:23,329 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-12 22:56:23,329 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-12 22:56:23,330 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write8 [2021-11-12 22:56:23,330 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write8 [2021-11-12 22:56:23,330 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_write [2021-11-12 22:56:23,330 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_write [2021-11-12 22:56:23,330 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-12 22:56:23,330 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-12 22:56:23,330 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-12 22:56:23,330 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-12 22:56:23,331 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write32 [2021-11-12 22:56:23,331 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write32 [2021-11-12 22:56:23,331 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read64 [2021-11-12 22:56:23,331 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read64 [2021-11-12 22:56:23,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-12 22:56:23,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-12 22:56:23,331 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-12 22:56:23,332 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-12 22:56:23,332 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_open [2021-11-12 22:56:23,332 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_open [2021-11-12 22:56:23,332 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-12 22:56:25,191 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-12 22:57:54,473 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-12 22:57:54,688 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 22:57:54,688 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-11-12 22:57:54,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:57:54 BoogieIcfgContainer [2021-11-12 22:57:54,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 22:57:54,699 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 22:57:54,699 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 22:57:54,702 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 22:57:54,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 10:56:10" (1/3) ... [2021-11-12 22:57:54,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49529885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:57:54, skipping insertion in model container [2021-11-12 22:57:54,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:56:21" (2/3) ... [2021-11-12 22:57:54,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49529885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:57:54, skipping insertion in model container [2021-11-12 22:57:54,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:57:54" (3/3) ... [2021-11-12 22:57:54,705 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-marvell-sky2.cil.i [2021-11-12 22:57:54,714 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 22:57:54,714 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 22:57:54,805 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 22:57:54,818 INFO L339 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=FINITE_AUTOMATA, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 22:57:54,819 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 22:57:54,934 INFO L276 IsEmpty]: Start isEmpty. Operand has 4386 states, 2922 states have (on average 1.2936344969199178) internal successors, (3780), 3001 states have internal predecessors, (3780), 1249 states have call successors, (1249), 216 states have call predecessors, (1249), 215 states have return successors, (1239), 1214 states have call predecessors, (1239), 1239 states have call successors, (1239) [2021-11-12 22:57:54,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2021-11-12 22:57:54,993 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:57:54,995 INFO L514 BasicCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:57:54,995 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:57:55,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:57:55,001 INFO L85 PathProgramCache]: Analyzing trace with hash 675098118, now seen corresponding path program 1 times [2021-11-12 22:57:55,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:57:55,034 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1739981219] [2021-11-12 22:57:55,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:57:55,035 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:57:55,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:57:55,042 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:57:55,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 22:58:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:58:16,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 5677 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 22:58:16,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:58:18,310 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 4464 trivial. 0 not checked. [2021-11-12 22:58:18,311 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:58:19,826 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2021-11-12 22:58:19,827 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:58:19,827 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1739981219] [2021-11-12 22:58:19,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1739981219] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:58:19,828 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:58:19,828 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 22:58:19,830 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387987952] [2021-11-12 22:58:19,830 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:58:19,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 22:58:19,838 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:58:19,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 22:58:19,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:58:19,879 INFO L87 Difference]: Start difference. First operand has 4386 states, 2922 states have (on average 1.2936344969199178) internal successors, (3780), 3001 states have internal predecessors, (3780), 1249 states have call successors, (1249), 216 states have call predecessors, (1249), 215 states have return successors, (1239), 1214 states have call predecessors, (1239), 1239 states have call successors, (1239) Second operand has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 4 states have call successors, (51), 3 states have call predecessors, (51), 3 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) [2021-11-12 22:58:22,572 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:58:50,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:58:50,509 INFO L93 Difference]: Finished difference Result 16340 states and 23617 transitions. [2021-11-12 22:58:50,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:58:50,511 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 4 states have call successors, (51), 3 states have call predecessors, (51), 3 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) Word has length 434 [2021-11-12 22:58:50,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:58:50,661 INFO L225 Difference]: With dead ends: 16340 [2021-11-12 22:58:50,661 INFO L226 Difference]: Without dead ends: 11898 [2021-11-12 22:58:50,708 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 866 GetRequests, 864 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:58:50,712 INFO L933 BasicCegarLoop]: 8338 mSDtfsCounter, 11557 mSDsluCounter, 10837 mSDsCounter, 0 mSdLazyCounter, 2562 mSolverCounterSat, 42 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28230.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11557 SdHoareTripleChecker+Valid, 19175 SdHoareTripleChecker+Invalid, 2605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 105.41ms SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 2562 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29687.75ms IncrementalHoareTripleChecker+Time [2021-11-12 22:58:50,713 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11557 Valid, 19175 Invalid, 2605 Unknown, 0 Unchecked, 105.41ms Time], IncrementalHoareTripleChecker [42 Valid, 2562 Invalid, 1 Unknown, 0 Unchecked, 29687.75ms Time] [2021-11-12 22:58:50,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11898 states. [2021-11-12 22:58:51,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11898 to 11892. [2021-11-12 22:58:51,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11892 states, 7914 states have (on average 1.278746525145312) internal successors, (10120), 8132 states have internal predecessors, (10120), 3358 states have call successors, (3358), 619 states have call predecessors, (3358), 619 states have return successors, (3358), 3283 states have call predecessors, (3358), 3358 states have call successors, (3358) [2021-11-12 22:58:51,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11892 states to 11892 states and 16836 transitions. [2021-11-12 22:58:51,892 INFO L78 Accepts]: Start accepts. Automaton has 11892 states and 16836 transitions. Word has length 434 [2021-11-12 22:58:51,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:58:51,899 INFO L470 AbstractCegarLoop]: Abstraction has 11892 states and 16836 transitions. [2021-11-12 22:58:51,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 4 states have call successors, (51), 3 states have call predecessors, (51), 3 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) [2021-11-12 22:58:51,900 INFO L276 IsEmpty]: Start isEmpty. Operand 11892 states and 16836 transitions. [2021-11-12 22:58:51,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2021-11-12 22:58:51,929 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:58:51,930 INFO L514 BasicCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:58:52,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 22:58:52,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:58:52,149 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:58:52,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:58:52,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1040188157, now seen corresponding path program 1 times [2021-11-12 22:58:52,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:58:52,160 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [683030232] [2021-11-12 22:58:52,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:58:52,161 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:58:52,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:58:52,162 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:58:52,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 22:59:12,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:59:13,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 5678 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 22:59:13,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:59:14,744 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 4464 trivial. 0 not checked. [2021-11-12 22:59:14,744 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:59:16,015 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2021-11-12 22:59:16,015 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:59:16,015 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [683030232] [2021-11-12 22:59:16,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [683030232] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:59:16,015 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:59:16,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 22:59:16,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219898185] [2021-11-12 22:59:16,016 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:59:16,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 22:59:16,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:59:16,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 22:59:16,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:59:16,020 INFO L87 Difference]: Start difference. First operand 11892 states and 16836 transitions. Second operand has 4 states, 4 states have (on average 35.75) internal successors, (143), 4 states have internal predecessors, (143), 4 states have call successors, (51), 3 states have call predecessors, (51), 3 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) [2021-11-12 22:59:18,694 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:59:46,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:59:46,784 INFO L93 Difference]: Finished difference Result 45777 states and 64851 transitions. [2021-11-12 22:59:46,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:59:46,785 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 4 states have internal predecessors, (143), 4 states have call successors, (51), 3 states have call predecessors, (51), 3 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) Word has length 435 [2021-11-12 22:59:46,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:59:47,045 INFO L225 Difference]: With dead ends: 45777 [2021-11-12 22:59:47,046 INFO L226 Difference]: Without dead ends: 33954 [2021-11-12 22:59:47,128 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 868 GetRequests, 866 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:59:47,129 INFO L933 BasicCegarLoop]: 10005 mSDtfsCounter, 11556 mSDsluCounter, 11317 mSDsCounter, 0 mSdLazyCounter, 2514 mSolverCounterSat, 65 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27989.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11556 SdHoareTripleChecker+Valid, 21322 SdHoareTripleChecker+Invalid, 2580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 68.22ms SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 2514 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29432.21ms IncrementalHoareTripleChecker+Time [2021-11-12 22:59:47,130 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11556 Valid, 21322 Invalid, 2580 Unknown, 0 Unchecked, 68.22ms Time], IncrementalHoareTripleChecker [65 Valid, 2514 Invalid, 1 Unknown, 0 Unchecked, 29432.21ms Time] [2021-11-12 22:59:47,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33954 states. [2021-11-12 22:59:49,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33954 to 33938. [2021-11-12 22:59:49,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33938 states, 22504 states have (on average 1.277817276928546) internal successors, (28756), 23132 states have internal predecessors, (28756), 9628 states have call successors, (9628), 1805 states have call predecessors, (9628), 1805 states have return successors, (9628), 9415 states have call predecessors, (9628), 9628 states have call successors, (9628) [2021-11-12 22:59:49,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33938 states to 33938 states and 48012 transitions. [2021-11-12 22:59:49,318 INFO L78 Accepts]: Start accepts. Automaton has 33938 states and 48012 transitions. Word has length 435 [2021-11-12 22:59:49,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:59:49,321 INFO L470 AbstractCegarLoop]: Abstraction has 33938 states and 48012 transitions. [2021-11-12 22:59:49,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 4 states have internal predecessors, (143), 4 states have call successors, (51), 3 states have call predecessors, (51), 3 states have return successors, (47), 4 states have call predecessors, (47), 4 states have call successors, (47) [2021-11-12 22:59:49,322 INFO L276 IsEmpty]: Start isEmpty. Operand 33938 states and 48012 transitions. [2021-11-12 22:59:49,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2021-11-12 22:59:49,361 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:59:49,362 INFO L514 BasicCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 32, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:59:49,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 22:59:49,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:59:49,587 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:59:49,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:59:49,587 INFO L85 PathProgramCache]: Analyzing trace with hash -898277911, now seen corresponding path program 1 times [2021-11-12 22:59:49,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:59:49,596 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1003947396] [2021-11-12 22:59:49,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:59:49,596 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:59:49,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:59:49,597 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:59:49,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:00:10,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:00:10,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 5732 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:00:10,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:00:12,663 INFO L134 CoverageAnalysis]: Checked inductivity of 4564 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 4468 trivial. 0 not checked. [2021-11-12 23:00:12,664 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:00:14,043 INFO L134 CoverageAnalysis]: Checked inductivity of 4564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4564 trivial. 0 not checked. [2021-11-12 23:00:14,044 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:00:14,044 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1003947396] [2021-11-12 23:00:14,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1003947396] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:00:14,044 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:00:14,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-12 23:00:14,045 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528538052] [2021-11-12 23:00:14,045 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:00:14,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:00:14,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:00:14,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:00:14,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:00:14,047 INFO L87 Difference]: Start difference. First operand 33938 states and 48012 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (59), 3 states have call predecessors, (59), 3 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2021-11-12 23:00:16,721 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:00:19,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:00:19,324 INFO L93 Difference]: Finished difference Result 100743 states and 142461 transitions. [2021-11-12 23:00:19,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:00:19,324 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (59), 3 states have call predecessors, (59), 3 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) Word has length 462 [2021-11-12 23:00:19,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:00:19,891 INFO L225 Difference]: With dead ends: 100743 [2021-11-12 23:00:19,891 INFO L226 Difference]: Without dead ends: 66874 [2021-11-12 23:00:20,057 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 922 GetRequests, 921 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:00:20,063 INFO L933 BasicCegarLoop]: 8828 mSDtfsCounter, 5835 mSDsluCounter, 6016 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3158.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5835 SdHoareTripleChecker+Valid, 14844 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 27.74ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3284.97ms IncrementalHoareTripleChecker+Time [2021-11-12 23:00:20,065 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5835 Valid, 14844 Invalid, 62 Unknown, 0 Unchecked, 27.74ms Time], IncrementalHoareTripleChecker [13 Valid, 48 Invalid, 1 Unknown, 0 Unchecked, 3284.97ms Time] [2021-11-12 23:00:20,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66874 states. [2021-11-12 23:00:23,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66874 to 66854. [2021-11-12 23:00:24,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66854 states, 44390 states have (on average 1.2765262446496959) internal successors, (56665), 45637 states have internal predecessors, (56665), 18888 states have call successors, (18888), 3575 states have call predecessors, (18888), 3575 states have return successors, (18888), 18460 states have call predecessors, (18888), 18888 states have call successors, (18888) [2021-11-12 23:00:24,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66854 states to 66854 states and 94441 transitions. [2021-11-12 23:00:24,930 INFO L78 Accepts]: Start accepts. Automaton has 66854 states and 94441 transitions. Word has length 462 [2021-11-12 23:00:24,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:00:24,931 INFO L470 AbstractCegarLoop]: Abstraction has 66854 states and 94441 transitions. [2021-11-12 23:00:24,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 3 states have call successors, (59), 3 states have call predecessors, (59), 3 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2021-11-12 23:00:24,931 INFO L276 IsEmpty]: Start isEmpty. Operand 66854 states and 94441 transitions. [2021-11-12 23:00:24,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2021-11-12 23:00:24,991 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:00:24,992 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 32, 32, 32, 32, 32, 32, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:00:25,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:00:25,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:00:25,219 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:00:25,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:00:25,219 INFO L85 PathProgramCache]: Analyzing trace with hash 41640173, now seen corresponding path program 1 times [2021-11-12 23:00:25,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:00:25,234 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [512280929] [2021-11-12 23:00:25,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:00:25,235 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:00:25,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:00:25,236 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:00:25,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:00:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:00:46,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 5762 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:00:46,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:00:48,441 INFO L134 CoverageAnalysis]: Checked inductivity of 4674 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 4476 trivial. 0 not checked. [2021-11-12 23:00:48,441 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:00:50,071 INFO L134 CoverageAnalysis]: Checked inductivity of 4674 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4671 trivial. 0 not checked. [2021-11-12 23:00:50,072 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:00:50,072 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [512280929] [2021-11-12 23:00:50,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [512280929] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:00:50,072 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:00:50,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:00:50,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835298024] [2021-11-12 23:00:50,073 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:00:50,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:00:50,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:00:50,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:00:50,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:00:50,076 INFO L87 Difference]: Start difference. First operand 66854 states and 94441 transitions. Second operand has 4 states, 4 states have (on average 44.5) internal successors, (178), 4 states have internal predecessors, (178), 4 states have call successors, (63), 3 states have call predecessors, (63), 3 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) [2021-11-12 23:00:52,883 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.80s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:01:22,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:01:22,175 INFO L93 Difference]: Finished difference Result 202857 states and 286276 transitions. [2021-11-12 23:01:22,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:01:22,176 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.5) internal successors, (178), 4 states have internal predecessors, (178), 4 states have call successors, (63), 3 states have call predecessors, (63), 3 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) Word has length 484 [2021-11-12 23:01:22,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:01:23,079 INFO L225 Difference]: With dead ends: 202857 [2021-11-12 23:01:23,080 INFO L226 Difference]: Without dead ends: 136072 [2021-11-12 23:01:23,590 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 966 GetRequests, 964 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:01:23,591 INFO L933 BasicCegarLoop]: 8839 mSDtfsCounter, 10170 mSDsluCounter, 10778 mSDsCounter, 0 mSdLazyCounter, 2375 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26246.30ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10170 SdHoareTripleChecker+Valid, 19617 SdHoareTripleChecker+Invalid, 2394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 51.53ms SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 2375 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27613.05ms IncrementalHoareTripleChecker+Time [2021-11-12 23:01:23,592 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10170 Valid, 19617 Invalid, 2394 Unknown, 0 Unchecked, 51.53ms Time], IncrementalHoareTripleChecker [18 Valid, 2375 Invalid, 1 Unknown, 0 Unchecked, 27613.05ms Time] [2021-11-12 23:01:23,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136072 states. [2021-11-12 23:01:29,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136072 to 136068. [2021-11-12 23:01:29,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136068 states, 90335 states have (on average 1.2763380749432667) internal successors, (115298), 92846 states have internal predecessors, (115298), 38306 states have call successors, (38306), 7426 states have call predecessors, (38306), 7426 states have return successors, (38306), 37464 states have call predecessors, (38306), 38306 states have call successors, (38306) [2021-11-12 23:01:30,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136068 states to 136068 states and 191910 transitions. [2021-11-12 23:01:30,762 INFO L78 Accepts]: Start accepts. Automaton has 136068 states and 191910 transitions. Word has length 484 [2021-11-12 23:01:30,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:01:30,764 INFO L470 AbstractCegarLoop]: Abstraction has 136068 states and 191910 transitions. [2021-11-12 23:01:30,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.5) internal successors, (178), 4 states have internal predecessors, (178), 4 states have call successors, (63), 3 states have call predecessors, (63), 3 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) [2021-11-12 23:01:30,764 INFO L276 IsEmpty]: Start isEmpty. Operand 136068 states and 191910 transitions. [2021-11-12 23:01:30,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2021-11-12 23:01:30,825 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:01:30,825 INFO L514 BasicCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 32, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:01:30,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:01:31,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:01:31,039 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:01:31,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:01:31,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1574027889, now seen corresponding path program 1 times [2021-11-12 23:01:31,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:01:31,053 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1028171134] [2021-11-12 23:01:31,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:01:31,054 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:01:31,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:01:31,055 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:01:31,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:01:51,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:01:52,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 5768 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:01:52,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:01:54,263 INFO L134 CoverageAnalysis]: Checked inductivity of 4571 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 4475 trivial. 0 not checked. [2021-11-12 23:01:54,264 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:01:55,855 INFO L134 CoverageAnalysis]: Checked inductivity of 4571 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4571 trivial. 0 not checked. [2021-11-12 23:01:55,855 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:01:55,855 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1028171134] [2021-11-12 23:01:55,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1028171134] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:01:55,856 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:01:55,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-12 23:01:55,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513395974] [2021-11-12 23:01:55,856 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:01:55,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:01:55,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:01:55,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:01:55,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:01:55,859 INFO L87 Difference]: Start difference. First operand 136068 states and 191910 transitions. Second operand has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 3 states have call successors, (62), 3 states have call predecessors, (62), 3 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2021-11-12 23:01:58,585 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.72s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:02:07,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:02:07,262 INFO L93 Difference]: Finished difference Result 363059 states and 510338 transitions. [2021-11-12 23:02:07,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:02:07,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 3 states have call successors, (62), 3 states have call predecessors, (62), 3 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) Word has length 504 [2021-11-12 23:02:07,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:02:09,238 INFO L225 Difference]: With dead ends: 363059 [2021-11-12 23:02:09,238 INFO L226 Difference]: Without dead ends: 227060 [2021-11-12 23:02:09,660 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1006 GetRequests, 1005 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:02:09,661 INFO L933 BasicCegarLoop]: 7068 mSDtfsCounter, 4507 mSDsluCounter, 5935 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3709.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4507 SdHoareTripleChecker+Valid, 13003 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 26.47ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3855.45ms IncrementalHoareTripleChecker+Time [2021-11-12 23:02:09,662 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4507 Valid, 13003 Invalid, 128 Unknown, 0 Unchecked, 26.47ms Time], IncrementalHoareTripleChecker [7 Valid, 120 Invalid, 1 Unknown, 0 Unchecked, 3855.45ms Time] [2021-11-12 23:02:09,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227060 states. [2021-11-12 23:02:20,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227060 to 227026. [2021-11-12 23:02:20,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227026 states, 148416 states have (on average 1.2666491483398017) internal successors, (187991), 152654 states have internal predecessors, (187991), 65130 states have call successors, (65130), 13499 states have call predecessors, (65130), 13479 states have return successors, (65190), 63672 states have call predecessors, (65190), 65130 states have call successors, (65190) [2021-11-12 23:02:22,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227026 states to 227026 states and 318311 transitions. [2021-11-12 23:02:22,553 INFO L78 Accepts]: Start accepts. Automaton has 227026 states and 318311 transitions. Word has length 504 [2021-11-12 23:02:22,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:02:22,556 INFO L470 AbstractCegarLoop]: Abstraction has 227026 states and 318311 transitions. [2021-11-12 23:02:22,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 3 states have call successors, (62), 3 states have call predecessors, (62), 3 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2021-11-12 23:02:22,557 INFO L276 IsEmpty]: Start isEmpty. Operand 227026 states and 318311 transitions. [2021-11-12 23:02:22,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2021-11-12 23:02:22,586 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:02:22,586 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 33, 33, 33, 33, 33, 33, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:02:22,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-11-12 23:02:22,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:02:22,811 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:02:22,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:02:22,812 INFO L85 PathProgramCache]: Analyzing trace with hash 2102512774, now seen corresponding path program 1 times [2021-11-12 23:02:22,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:02:22,823 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1819206597] [2021-11-12 23:02:22,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:02:22,823 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:02:22,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:02:22,824 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:02:22,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7162f657-703f-4fbf-a73b-8ae8e89c5e0b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process