./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.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_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/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_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/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_d589e924-d17c-4b08-917d-de47b4544e70/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 fdbc5180119fad988a6a3a24d2f5ed804cbc2cd6d0e7bbb402b6d4dd37802e45 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:38:36,888 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:38:36,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:38:36,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:38:36,927 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:38:36,928 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:38:36,930 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:38:36,933 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:38:36,935 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:38:36,936 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:38:36,937 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:38:36,939 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:38:36,940 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:38:36,941 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:38:36,943 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:38:36,944 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:38:36,946 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:38:36,947 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:38:36,950 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:38:36,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:38:36,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:38:36,963 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:38:36,964 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:38:36,966 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:38:36,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:38:36,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:38:36,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:38:36,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:38:36,981 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:38:36,982 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:38:36,984 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:38:36,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:38:36,986 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:38:36,987 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:38:36,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:38:36,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:38:36,991 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:38:36,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:38:36,991 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:38:36,992 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:38:36,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:38:36,994 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 22:38:37,034 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:38:37,034 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:38:37,035 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:38:37,035 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:38:37,036 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:38:37,036 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:38:37,036 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:38:37,036 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 22:38:37,036 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:38:37,037 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:38:37,037 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 22:38:37,037 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 22:38:37,037 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:38:37,037 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 22:38:37,038 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 22:38:37,038 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 22:38:37,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:38:37,039 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:38:37,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:38:37,039 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:38:37,039 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:38:37,039 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:38:37,040 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:38:37,040 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:38:37,040 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:38:37,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:38:37,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:38:37,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:38:37,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:38:37,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:38:37,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:38:37,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:38:37,042 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 22:38:37,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 22:38:37,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:38:37,042 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:38:37,042 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:38:37,042 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_d589e924-d17c-4b08-917d-de47b4544e70/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fdbc5180119fad988a6a3a24d2f5ed804cbc2cd6d0e7bbb402b6d4dd37802e45 [2021-11-12 22:38:37,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:38:37,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:38:37,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:38:37,304 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:38:37,305 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:38:37,306 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i [2021-11-12 22:38:37,363 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/data/e2e4daf17/08b90e7591b0423cb70ed3222ce761c0/FLAGabaf25436 [2021-11-12 22:38:38,342 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:38:38,343 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i [2021-11-12 22:38:38,406 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/data/e2e4daf17/08b90e7591b0423cb70ed3222ce761c0/FLAGabaf25436 [2021-11-12 22:38:38,836 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/data/e2e4daf17/08b90e7591b0423cb70ed3222ce761c0 [2021-11-12 22:38:38,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:38:38,840 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:38:38,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:38:38,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:38:38,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:38:38,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:38:38" (1/1) ... [2021-11-12 22:38:38,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c6c8e38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:38:38, skipping insertion in model container [2021-11-12 22:38:38,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:38:38" (1/1) ... [2021-11-12 22:38:38,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:38:39,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:38:42,628 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_d589e924-d17c-4b08-917d-de47b4544e70/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394320,394333] [2021-11-12 22:38:42,631 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_d589e924-d17c-4b08-917d-de47b4544e70/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394489,394502] [2021-11-12 22:38:42,631 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_d589e924-d17c-4b08-917d-de47b4544e70/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394656,394669] [2021-11-12 22:38:42,632 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_d589e924-d17c-4b08-917d-de47b4544e70/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394824,394837] [2021-11-12 22:38:42,650 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:38:42,686 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 22:38:42,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@68cb480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:38:42, skipping insertion in model container [2021-11-12 22:38:42,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:38:42,687 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 22:38:42,689 INFO L158 Benchmark]: Toolchain (without parser) took 3848.67ms. Allocated memory was 92.3MB in the beginning and 148.9MB in the end (delta: 56.6MB). Free memory was 54.1MB in the beginning and 63.5MB in the end (delta: -9.4MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2021-11-12 22:38:42,690 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 92.3MB. Free memory was 66.8MB in the beginning and 66.8MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:38:42,693 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3846.51ms. Allocated memory was 92.3MB in the beginning and 148.9MB in the end (delta: 56.6MB). Free memory was 53.8MB in the beginning and 63.5MB in the end (delta: -9.6MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2021-11-12 22:38:42,695 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 92.3MB. Free memory was 66.8MB in the beginning and 66.8MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3846.51ms. Allocated memory was 92.3MB in the beginning and 148.9MB in the end (delta: 56.6MB). Free memory was 53.8MB in the beginning and 63.5MB in the end (delta: -9.6MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7830]: 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_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/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_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/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_d589e924-d17c-4b08-917d-de47b4544e70/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 fdbc5180119fad988a6a3a24d2f5ed804cbc2cd6d0e7bbb402b6d4dd37802e45 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:38:45,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:38:45,274 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:38:45,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:38:45,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:38:45,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:38:45,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:38:45,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:38:45,354 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:38:45,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:38:45,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:38:45,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:38:45,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:38:45,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:38:45,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:38:45,376 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:38:45,377 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:38:45,378 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:38:45,381 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:38:45,384 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:38:45,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:38:45,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:38:45,390 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:38:45,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:38:45,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:38:45,397 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:38:45,397 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:38:45,399 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:38:45,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:38:45,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:38:45,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:38:45,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:38:45,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:38:45,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:38:45,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:38:45,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:38:45,429 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:38:45,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:38:45,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:38:45,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:38:45,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:38:45,436 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 22:38:45,473 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:38:45,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:38:45,474 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:38:45,474 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:38:45,475 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:38:45,475 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:38:45,475 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:38:45,475 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:38:45,476 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:38:45,476 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:38:45,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:38:45,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:38:45,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:38:45,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:38:45,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:38:45,478 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:38:45,478 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 22:38:45,479 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 22:38:45,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:38:45,479 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:38:45,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:38:45,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:38:45,480 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 22:38:45,480 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:38:45,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:38:45,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:38:45,481 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:38:45,481 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:38:45,484 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 22:38:45,484 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 22:38:45,484 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:38:45,485 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:38:45,485 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:38:45,485 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_d589e924-d17c-4b08-917d-de47b4544e70/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fdbc5180119fad988a6a3a24d2f5ed804cbc2cd6d0e7bbb402b6d4dd37802e45 [2021-11-12 22:38:46,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:38:46,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:38:46,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:38:46,042 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:38:46,043 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:38:46,045 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i [2021-11-12 22:38:46,121 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/data/a05ec5b53/7c7ad6e260b745d1bf9bba1ed2d4c283/FLAG773c88eb2 [2021-11-12 22:38:47,356 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:38:47,357 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i [2021-11-12 22:38:47,428 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/data/a05ec5b53/7c7ad6e260b745d1bf9bba1ed2d4c283/FLAG773c88eb2 [2021-11-12 22:38:47,670 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/data/a05ec5b53/7c7ad6e260b745d1bf9bba1ed2d4c283 [2021-11-12 22:38:47,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:38:47,678 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:38:47,680 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:38:47,680 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:38:47,683 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:38:47,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:38:47" (1/1) ... [2021-11-12 22:38:47,685 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f64cdfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:38:47, skipping insertion in model container [2021-11-12 22:38:47,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:38:47" (1/1) ... [2021-11-12 22:38:47,692 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:38:47,885 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:38:51,719 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_d589e924-d17c-4b08-917d-de47b4544e70/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394320,394333] [2021-11-12 22:38:51,722 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_d589e924-d17c-4b08-917d-de47b4544e70/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394489,394502] [2021-11-12 22:38:51,723 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_d589e924-d17c-4b08-917d-de47b4544e70/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394656,394669] [2021-11-12 22:38:51,724 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_d589e924-d17c-4b08-917d-de47b4544e70/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394824,394837] [2021-11-12 22:38:51,737 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:38:51,789 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 22:38:51,957 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:38:52,408 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_d589e924-d17c-4b08-917d-de47b4544e70/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394320,394333] [2021-11-12 22:38:52,408 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_d589e924-d17c-4b08-917d-de47b4544e70/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394489,394502] [2021-11-12 22:38:52,409 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_d589e924-d17c-4b08-917d-de47b4544e70/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394656,394669] [2021-11-12 22:38:52,409 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_d589e924-d17c-4b08-917d-de47b4544e70/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394824,394837] [2021-11-12 22:38:52,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:38:52,461 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 22:38:53,461 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_d589e924-d17c-4b08-917d-de47b4544e70/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394320,394333] [2021-11-12 22:38:53,462 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_d589e924-d17c-4b08-917d-de47b4544e70/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394489,394502] [2021-11-12 22:38:53,462 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_d589e924-d17c-4b08-917d-de47b4544e70/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394656,394669] [2021-11-12 22:38:53,463 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_d589e924-d17c-4b08-917d-de47b4544e70/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394824,394837] [2021-11-12 22:38:53,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:38:53,732 INFO L208 MainTranslator]: Completed translation [2021-11-12 22:38:53,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:38:53 WrapperNode [2021-11-12 22:38:53,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:38:53,735 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 22:38:53,735 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 22:38:53,735 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 22:38:53,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:38:53" (1/1) ... [2021-11-12 22:38:53,868 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:38:53" (1/1) ... [2021-11-12 22:38:54,072 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 22:38:54,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 22:38:54,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 22:38:54,074 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 22:38:54,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:38:53" (1/1) ... [2021-11-12 22:38:54,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:38:53" (1/1) ... [2021-11-12 22:38:54,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:38:53" (1/1) ... [2021-11-12 22:38:54,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:38:53" (1/1) ... [2021-11-12 22:38:54,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:38:53" (1/1) ... [2021-11-12 22:38:54,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:38:53" (1/1) ... [2021-11-12 22:38:54,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:38:53" (1/1) ... [2021-11-12 22:38:54,342 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 22:38:54,343 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 22:38:54,343 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 22:38:54,343 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 22:38:54,344 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:38:53" (1/1) ... [2021-11-12 22:38:54,350 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:38:54,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 22:38:54,375 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 22:38:54,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 22:38:54,425 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_running_reset [2021-11-12 22:38:54,425 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_running_reset [2021-11-12 22:38:54,426 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-12 22:38:54,426 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-12 22:38:54,426 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_crc_length [2021-11-12 22:38:54,426 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_crc_length [2021-11-12 22:38:54,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-12 22:38:54,426 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-12 22:38:54,427 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dec_reset [2021-11-12 22:38:54,427 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dec_reset [2021-11-12 22:38:54,427 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_get_link_status [2021-11-12 22:38:54,427 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_get_link_status [2021-11-12 22:38:54,427 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-12 22:38:54,427 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-12 22:38:54,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 22:38:54,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 22:38:54,428 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_default [2021-11-12 22:38:54,428 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_default [2021-11-12 22:38:54,428 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkinput [2021-11-12 22:38:54,428 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkinput [2021-11-12 22:38:54,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-12 22:38:54,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-12 22:38:54,429 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_status [2021-11-12 22:38:54,429 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_status [2021-11-12 22:38:54,429 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_100ft [2021-11-12 22:38:54,429 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_100ft [2021-11-12 22:38:54,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_64 [2021-11-12 22:38:54,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_64 [2021-11-12 22:38:54,430 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dummy_set_1 [2021-11-12 22:38:54,430 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dummy_set_1 [2021-11-12 22:38:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_close [2021-11-12 22:38:54,431 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_close [2021-11-12 22:38:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-12 22:38:54,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-12 22:38:54,431 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_watchdog [2021-11-12 22:38:54,432 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_watchdog [2021-11-12 22:38:54,432 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_reset [2021-11-12 22:38:54,432 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_reset [2021-11-12 22:38:54,432 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_sc [2021-11-12 22:38:54,432 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_sc [2021-11-12 22:38:54,433 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_netif [2021-11-12 22:38:54,433 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_netif [2021-11-12 22:38:54,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-12 22:38:54,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-12 22:38:54,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-12 22:38:54,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-12 22:38:54,435 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_trace [2021-11-12 22:38:54,435 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_trace [2021-11-12 22:38:54,435 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_get_link_status [2021-11-12 22:38:54,435 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_get_link_status [2021-11-12 22:38:54,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 22:38:54,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 22:38:54,436 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-11-12 22:38:54,436 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-11-12 22:38:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 22:38:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 22:38:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-12 22:38:54,437 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-12 22:38:54,437 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-12 22:38:54,438 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-12 22:38:54,438 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_default [2021-11-12 22:38:54,439 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_default [2021-11-12 22:38:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_clock [2021-11-12 22:38:54,439 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_clock [2021-11-12 22:38:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-12 22:38:54,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-12 22:38:54,439 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_off [2021-11-12 22:38:54,440 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_off [2021-11-12 22:38:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2021-11-12 22:38:54,440 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2021-11-12 22:38:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-12 22:38:54,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-12 22:38:54,440 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_default [2021-11-12 22:38:54,441 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_default [2021-11-12 22:38:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-12 22:38:54,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-12 22:38:54,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-12 22:38:54,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-12 22:38:54,442 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_softreset [2021-11-12 22:38:54,442 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_softreset [2021-11-12 22:38:54,442 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110_bit [2021-11-12 22:38:54,443 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110_bit [2021-11-12 22:38:54,443 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-12 22:38:54,444 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-12 22:38:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-12 22:38:54,444 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-12 22:38:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_crc_length [2021-11-12 22:38:54,444 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_crc_length [2021-11-12 22:38:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_writereg [2021-11-12 22:38:54,445 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_writereg [2021-11-12 22:38:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-12 22:38:54,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-12 22:38:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2021-11-12 22:38:54,445 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2021-11-12 22:38:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_status [2021-11-12 22:38:54,445 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_status [2021-11-12 22:38:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 22:38:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-12 22:38:54,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-12 22:38:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-12 22:38:54,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-12 22:38:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-12 22:38:54,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-12 22:38:54,448 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-12 22:38:54,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-12 22:38:54,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lmc_lock_of_lmc___softc [2021-11-12 22:38:54,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lmc_lock_of_lmc___softc [2021-11-12 22:38:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 22:38:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_readreg [2021-11-12 22:38:54,453 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_readreg [2021-11-12 22:38:54,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 22:38:54,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 22:38:54,454 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 22:38:54,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 22:38:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 22:38:54,460 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-12 22:38:54,460 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-12 22:38:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_init [2021-11-12 22:38:54,461 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_init [2021-11-12 22:38:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-12 22:38:54,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-12 22:38:54,461 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_open [2021-11-12 22:38:54,461 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_open [2021-11-12 22:38:54,462 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-12 22:38:54,462 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-12 22:38:54,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-12 22:38:54,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-12 22:38:54,462 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_watchdog [2021-11-12 22:38:54,462 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_watchdog [2021-11-12 22:38:54,462 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_status [2021-11-12 22:38:54,463 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_status [2021-11-12 22:38:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 22:38:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_set_protocol [2021-11-12 22:38:54,463 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_set_protocol [2021-11-12 22:38:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_clock [2021-11-12 22:38:54,463 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_clock [2021-11-12 22:38:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-11-12 22:38:54,463 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-11-12 22:38:54,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 22:38:54,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 22:38:54,464 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_open [2021-11-12 22:38:54,464 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_open [2021-11-12 22:38:54,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 22:38:54,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 22:38:54,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 22:38:54,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 22:38:54,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-12 22:38:54,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 22:38:54,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-12 22:38:54,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-12 22:38:54,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_lmc_driver_exit_17_2 [2021-11-12 22:38:54,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_lmc_driver_exit_17_2 [2021-11-12 22:38:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-12 22:38:54,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-12 22:38:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-12 22:38:54,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-12 22:38:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_get_link_status [2021-11-12 22:38:54,466 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_get_link_status [2021-11-12 22:38:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_circuit_type [2021-11-12 22:38:54,466 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_circuit_type [2021-11-12 22:38:54,467 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_status [2021-11-12 22:38:54,467 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_status [2021-11-12 22:38:54,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-12 22:38:54,467 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-12 22:38:54,467 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_get_link_status [2021-11-12 22:38:54,467 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_get_link_status [2021-11-12 22:38:54,467 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_init [2021-11-12 22:38:54,468 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_init [2021-11-12 22:38:54,468 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-12 22:38:54,468 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-12 22:38:54,468 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_scram [2021-11-12 22:38:54,468 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_scram [2021-11-12 22:38:54,468 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_init [2021-11-12 22:38:54,468 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_init [2021-11-12 22:38:54,469 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkoutput [2021-11-12 22:38:54,469 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkoutput [2021-11-12 22:38:54,469 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-12 22:38:54,469 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-12 22:38:54,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 22:38:54,469 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_driver_timeout [2021-11-12 22:38:54,469 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_driver_timeout [2021-11-12 22:38:54,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lmc_lock_of_lmc___softc [2021-11-12 22:38:54,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lmc_lock_of_lmc___softc [2021-11-12 22:38:54,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 22:38:54,470 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-12 22:38:54,470 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-12 22:38:54,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 22:38:54,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 22:38:54,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 22:38:54,471 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110 [2021-11-12 22:38:54,471 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110 [2021-11-12 22:38:54,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 22:38:54,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 22:38:54,471 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-12 22:38:54,471 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-12 22:38:54,471 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_speed [2021-11-12 22:38:54,472 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_speed [2021-11-12 22:38:54,472 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_crc_length [2021-11-12 22:38:54,472 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_crc_length [2021-11-12 22:38:54,472 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_type [2021-11-12 22:38:54,472 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_type [2021-11-12 22:38:54,472 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_remove_one [2021-11-12 22:38:54,472 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_remove_one [2021-11-12 22:38:54,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-12 22:38:54,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-12 22:38:54,473 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-11-12 22:38:54,473 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-11-12 22:38:54,473 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_write [2021-11-12 22:38:54,473 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_write [2021-11-12 22:38:54,473 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_close [2021-11-12 22:38:54,474 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_close [2021-11-12 22:38:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-12 22:38:54,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-12 22:38:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-12 22:38:54,474 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-12 22:38:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-12 22:38:54,474 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-12 22:38:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_link_status [2021-11-12 22:38:54,475 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_link_status [2021-11-12 22:38:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 22:38:54,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 22:38:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_watchdog [2021-11-12 22:38:54,475 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_watchdog [2021-11-12 22:38:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-12 22:38:54,475 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-12 22:38:54,476 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_watchdog [2021-11-12 22:38:54,476 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_watchdog [2021-11-12 22:38:54,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 22:38:54,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 22:38:54,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 22:38:54,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 22:38:54,477 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-11-12 22:38:54,481 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-11-12 22:38:54,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-12 22:38:54,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-12 22:38:54,481 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_link_status [2021-11-12 22:38:54,482 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_link_status [2021-11-12 22:38:54,482 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_init [2021-11-12 22:38:54,482 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_init [2021-11-12 22:38:54,482 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_attach [2021-11-12 22:38:54,482 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_attach [2021-11-12 22:38:54,483 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_default [2021-11-12 22:38:54,484 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_default [2021-11-12 22:38:54,484 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-12 22:38:54,484 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-12 22:38:54,484 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2021-11-12 22:38:54,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2021-11-12 22:38:54,485 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_crc_length [2021-11-12 22:38:54,485 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_crc_length [2021-11-12 22:38:54,485 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_clock [2021-11-12 22:38:54,485 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_clock [2021-11-12 22:38:54,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-12 22:38:54,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-12 22:38:54,485 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dummy_set2_1 [2021-11-12 22:38:54,486 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dummy_set2_1 [2021-11-12 22:38:54,486 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_on [2021-11-12 22:38:54,486 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_on [2021-11-12 22:38:54,486 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-11-12 22:38:54,486 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-11-12 22:38:54,486 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-12 22:38:54,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-12 22:38:54,486 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2021-11-12 22:38:54,487 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2021-11-12 22:38:54,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-12 22:38:54,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-12 22:38:54,487 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2021-11-12 22:38:54,487 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2021-11-12 22:39:03,015 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-12 22:39:19,394 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint switch_break: call #t~mem1375#1.base, #t~mem1375#1.offset := read~$Pointer$(~sc#1.base, ~bvadd64(141bv64, ~sc#1.offset), 8bv64); [2021-11-12 22:39:19,395 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L12881: SUMMARY for call lmc_trace(#t~mem1375#1.base, #t~mem1375#1.offset, #t~string1376.base, #t~string1376.offset); srcloc: null [2021-11-12 22:39:19,395 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L12881-1: havoc #t~mem1375#1.base, #t~mem1375#1.offset; [2021-11-12 22:40:01,990 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-12 22:40:02,095 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 22:40:02,095 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-12 22:40:02,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:40:02 BoogieIcfgContainer [2021-11-12 22:40:02,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 22:40:02,103 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 22:40:02,103 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 22:40:02,106 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 22:40:02,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 10:38:47" (1/3) ... [2021-11-12 22:40:02,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aa14116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:40:02, skipping insertion in model container [2021-11-12 22:40:02,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:38:53" (2/3) ... [2021-11-12 22:40:02,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aa14116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:40:02, skipping insertion in model container [2021-11-12 22:40:02,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:40:02" (3/3) ... [2021-11-12 22:40:02,109 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i [2021-11-12 22:40:02,114 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 22:40:02,114 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-12 22:40:02,170 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 22:40:02,177 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 22:40:02,177 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-12 22:40:02,243 INFO L276 IsEmpty]: Start isEmpty. Operand has 2514 states, 1621 states have (on average 1.2874768661320173) internal successors, (2087), 1691 states have internal predecessors, (2087), 772 states have call successors, (772), 119 states have call predecessors, (772), 118 states have return successors, (765), 722 states have call predecessors, (765), 765 states have call successors, (765) [2021-11-12 22:40:02,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-11-12 22:40:02,269 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:40:02,270 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:40:02,271 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 22:40:02,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:40:02,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1524133110, now seen corresponding path program 1 times [2021-11-12 22:40:02,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:40:02,299 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [683607606] [2021-11-12 22:40:02,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:40:02,300 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:40:02,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:40:02,314 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:40:02,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 22:40:04,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:40:05,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 1593 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 22:40:05,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:40:05,868 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2021-11-12 22:40:05,868 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:40:06,674 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-11-12 22:40:06,675 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:40:06,675 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [683607606] [2021-11-12 22:40:06,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [683607606] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:40:06,676 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:40:06,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 22:40:06,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351801471] [2021-11-12 22:40:06,680 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:40:06,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 22:40:06,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:40:06,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 22:40:06,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:40:06,728 INFO L87 Difference]: Start difference. First operand has 2514 states, 1621 states have (on average 1.2874768661320173) internal successors, (2087), 1691 states have internal predecessors, (2087), 772 states have call successors, (772), 119 states have call predecessors, (772), 118 states have return successors, (765), 722 states have call predecessors, (765), 765 states have call successors, (765) Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 4 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2021-11-12 22:40:09,052 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:40:20,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:40:20,964 INFO L93 Difference]: Finished difference Result 9760 states and 14276 transitions. [2021-11-12 22:40:20,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:40:20,967 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 4 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) Word has length 195 [2021-11-12 22:40:20,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:40:21,072 INFO L225 Difference]: With dead ends: 9760 [2021-11-12 22:40:21,072 INFO L226 Difference]: Without dead ends: 7262 [2021-11-12 22:40:21,101 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 388 GetRequests, 386 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 22:40:21,105 INFO L933 BasicCegarLoop]: 5061 mSDtfsCounter, 6954 mSDsluCounter, 6353 mSDsCounter, 0 mSdLazyCounter, 1539 mSolverCounterSat, 25 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12522.56ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6954 SdHoareTripleChecker+Valid, 11414 SdHoareTripleChecker+Invalid, 1565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 82.82ms SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1539 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13474.35ms IncrementalHoareTripleChecker+Time [2021-11-12 22:40:21,106 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6954 Valid, 11414 Invalid, 1565 Unknown, 0 Unchecked, 82.82ms Time], IncrementalHoareTripleChecker [25 Valid, 1539 Invalid, 1 Unknown, 0 Unchecked, 13474.35ms Time] [2021-11-12 22:40:21,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7262 states. [2021-11-12 22:40:21,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7262 to 7235. [2021-11-12 22:40:21,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7235 states, 4690 states have (on average 1.288912579957356) internal successors, (6045), 4896 states have internal predecessors, (6045), 2195 states have call successors, (2195), 348 states have call predecessors, (2195), 347 states have return successors, (2191), 2062 states have call predecessors, (2191), 2191 states have call successors, (2191) [2021-11-12 22:40:21,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7235 states to 7235 states and 10431 transitions. [2021-11-12 22:40:21,898 INFO L78 Accepts]: Start accepts. Automaton has 7235 states and 10431 transitions. Word has length 195 [2021-11-12 22:40:21,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:40:21,902 INFO L470 AbstractCegarLoop]: Abstraction has 7235 states and 10431 transitions. [2021-11-12 22:40:21,902 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 4 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2021-11-12 22:40:21,902 INFO L276 IsEmpty]: Start isEmpty. Operand 7235 states and 10431 transitions. [2021-11-12 22:40:21,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-11-12 22:40:21,918 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:40:21,919 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:40:21,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 22:40:22,140 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:40:22,141 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 22:40:22,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:40:22,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1293915057, now seen corresponding path program 1 times [2021-11-12 22:40:22,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:40:22,145 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1245875724] [2021-11-12 22:40:22,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:40:22,145 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:40:22,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:40:22,149 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:40:22,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 22:40:24,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:40:24,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 1659 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 22:40:24,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:40:25,296 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2021-11-12 22:40:25,297 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:40:25,954 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-11-12 22:40:25,954 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:40:25,954 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1245875724] [2021-11-12 22:40:25,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1245875724] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:40:25,955 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:40:25,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 22:40:25,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817370308] [2021-11-12 22:40:25,955 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:40:25,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 22:40:25,957 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:40:25,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 22:40:25,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:40:25,958 INFO L87 Difference]: Start difference. First operand 7235 states and 10431 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2021-11-12 22:40:28,224 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:40:41,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:40:41,349 INFO L93 Difference]: Finished difference Result 27701 states and 40011 transitions. [2021-11-12 22:40:41,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:40:41,350 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 206 [2021-11-12 22:40:41,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:40:41,566 INFO L225 Difference]: With dead ends: 27701 [2021-11-12 22:40:41,567 INFO L226 Difference]: Without dead ends: 20501 [2021-11-12 22:40:41,633 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 408 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:40:41,634 INFO L933 BasicCegarLoop]: 5047 mSDtfsCounter, 8436 mSDsluCounter, 5408 mSDsCounter, 0 mSdLazyCounter, 1466 mSolverCounterSat, 1433 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13139.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8436 SdHoareTripleChecker+Valid, 10455 SdHoareTripleChecker+Invalid, 2900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 62.06ms SdHoareTripleChecker+Time, 1433 IncrementalHoareTripleChecker+Valid, 1466 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14372.82ms IncrementalHoareTripleChecker+Time [2021-11-12 22:40:41,635 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8436 Valid, 10455 Invalid, 2900 Unknown, 0 Unchecked, 62.06ms Time], IncrementalHoareTripleChecker [1433 Valid, 1466 Invalid, 1 Unknown, 0 Unchecked, 14372.82ms Time] [2021-11-12 22:40:41,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20501 states. [2021-11-12 22:40:42,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20501 to 20437. [2021-11-12 22:40:42,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20437 states, 13160 states have (on average 1.286854103343465) internal successors, (16935), 13762 states have internal predecessors, (16935), 6265 states have call successors, (6265), 1010 states have call predecessors, (6265), 1009 states have return successors, (6333), 5856 states have call predecessors, (6333), 6261 states have call successors, (6333) [2021-11-12 22:40:43,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20437 states to 20437 states and 29533 transitions. [2021-11-12 22:40:43,061 INFO L78 Accepts]: Start accepts. Automaton has 20437 states and 29533 transitions. Word has length 206 [2021-11-12 22:40:43,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:40:43,063 INFO L470 AbstractCegarLoop]: Abstraction has 20437 states and 29533 transitions. [2021-11-12 22:40:43,064 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2021-11-12 22:40:43,065 INFO L276 IsEmpty]: Start isEmpty. Operand 20437 states and 29533 transitions. [2021-11-12 22:40:43,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-11-12 22:40:43,074 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:40:43,074 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:40:43,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 22:40:43,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:40:43,298 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 22:40:43,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:40:43,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1355193203, now seen corresponding path program 1 times [2021-11-12 22:40:43,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:40:43,301 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [502568217] [2021-11-12 22:40:43,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:40:43,301 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:40:43,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:40:43,307 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:40:43,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 22:40:45,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:40:46,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 1673 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 22:40:46,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:40:46,813 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2021-11-12 22:40:46,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:40:47,492 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-11-12 22:40:47,492 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:40:47,493 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [502568217] [2021-11-12 22:40:47,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [502568217] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:40:47,493 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:40:47,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-12 22:40:47,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102909314] [2021-11-12 22:40:47,494 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:40:47,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 22:40:47,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:40:47,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 22:40:47,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 22:40:47,496 INFO L87 Difference]: Start difference. First operand 20437 states and 29533 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-12 22:40:49,741 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:40:51,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:40:51,307 INFO L93 Difference]: Finished difference Result 57767 states and 83330 transitions. [2021-11-12 22:40:51,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 22:40:51,308 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 214 [2021-11-12 22:40:51,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:40:51,584 INFO L225 Difference]: With dead ends: 57767 [2021-11-12 22:40:51,585 INFO L226 Difference]: Without dead ends: 37365 [2021-11-12 22:40:51,858 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 425 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 22:40:51,865 INFO L933 BasicCegarLoop]: 4319 mSDtfsCounter, 2962 mSDsluCounter, 3546 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2452.69ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2962 SdHoareTripleChecker+Valid, 7865 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.55ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2528.40ms IncrementalHoareTripleChecker+Time [2021-11-12 22:40:51,867 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2962 Valid, 7865 Invalid, 48 Unknown, 0 Unchecked, 18.55ms Time], IncrementalHoareTripleChecker [7 Valid, 40 Invalid, 1 Unknown, 0 Unchecked, 2528.40ms Time] [2021-11-12 22:40:51,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37365 states. [2021-11-12 22:40:53,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37365 to 37285. [2021-11-12 22:40:54,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37285 states, 24089 states have (on average 1.2842376188301714) internal successors, (30936), 25219 states have internal predecessors, (30936), 11221 states have call successors, (11221), 1973 states have call predecessors, (11221), 1972 states have return successors, (11556), 10404 states have call predecessors, (11556), 11217 states have call successors, (11556) [2021-11-12 22:40:54,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37285 states to 37285 states and 53713 transitions. [2021-11-12 22:40:54,334 INFO L78 Accepts]: Start accepts. Automaton has 37285 states and 53713 transitions. Word has length 214 [2021-11-12 22:40:54,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:40:54,335 INFO L470 AbstractCegarLoop]: Abstraction has 37285 states and 53713 transitions. [2021-11-12 22:40:54,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-12 22:40:54,336 INFO L276 IsEmpty]: Start isEmpty. Operand 37285 states and 53713 transitions. [2021-11-12 22:40:54,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-11-12 22:40:54,346 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:40:54,347 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:40:54,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 22:40:54,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:40:54,574 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 22:40:54,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:40:54,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1663104061, now seen corresponding path program 1 times [2021-11-12 22:40:54,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:40:54,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1472214892] [2021-11-12 22:40:54,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:40:54,578 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:40:54,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:40:54,580 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:40:54,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 22:40:57,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:40:57,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 1698 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 22:40:57,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:40:58,120 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2021-11-12 22:40:58,120 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:40:58,737 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-11-12 22:40:58,737 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:40:58,737 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1472214892] [2021-11-12 22:40:58,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1472214892] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:40:58,738 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:40:58,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 22:40:58,738 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198359061] [2021-11-12 22:40:58,738 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:40:58,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 22:40:58,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:40:58,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 22:40:58,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:40:58,740 INFO L87 Difference]: Start difference. First operand 37285 states and 53713 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2021-11-12 22:41:00,969 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:41:16,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:41:16,619 INFO L93 Difference]: Finished difference Result 111323 states and 160528 transitions. [2021-11-12 22:41:16,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:41:16,620 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 212 [2021-11-12 22:41:16,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:41:17,324 INFO L225 Difference]: With dead ends: 111323 [2021-11-12 22:41:17,325 INFO L226 Difference]: Without dead ends: 74073 [2021-11-12 22:41:17,685 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 422 GetRequests, 420 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:41:17,686 INFO L933 BasicCegarLoop]: 5641 mSDtfsCounter, 8143 mSDsluCounter, 5211 mSDsCounter, 0 mSdLazyCounter, 1603 mSolverCounterSat, 1232 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13743.89ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8143 SdHoareTripleChecker+Valid, 10852 SdHoareTripleChecker+Invalid, 2836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 45.71ms SdHoareTripleChecker+Time, 1232 IncrementalHoareTripleChecker+Valid, 1603 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14971.60ms IncrementalHoareTripleChecker+Time [2021-11-12 22:41:17,687 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8143 Valid, 10852 Invalid, 2836 Unknown, 0 Unchecked, 45.71ms Time], IncrementalHoareTripleChecker [1232 Valid, 1603 Invalid, 1 Unknown, 0 Unchecked, 14971.60ms Time] [2021-11-12 22:41:17,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74073 states. [2021-11-12 22:41:22,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74073 to 74001. [2021-11-12 22:41:22,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74001 states, 47704 states have (on average 1.2872924702331041) internal successors, (61409), 50060 states have internal predecessors, (61409), 22304 states have call successors, (22304), 4003 states have call predecessors, (22304), 3990 states have return successors, (22810), 20538 states have call predecessors, (22810), 22300 states have call successors, (22810) [2021-11-12 22:41:23,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74001 states to 74001 states and 106523 transitions. [2021-11-12 22:41:23,834 INFO L78 Accepts]: Start accepts. Automaton has 74001 states and 106523 transitions. Word has length 212 [2021-11-12 22:41:23,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:41:23,850 INFO L470 AbstractCegarLoop]: Abstraction has 74001 states and 106523 transitions. [2021-11-12 22:41:23,851 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2021-11-12 22:41:23,851 INFO L276 IsEmpty]: Start isEmpty. Operand 74001 states and 106523 transitions. [2021-11-12 22:41:23,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-11-12 22:41:23,860 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:41:23,860 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:41:23,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 22:41:24,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:41:24,061 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 22:41:24,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:41:24,062 INFO L85 PathProgramCache]: Analyzing trace with hash -607382631, now seen corresponding path program 1 times [2021-11-12 22:41:24,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:41:24,065 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [525797282] [2021-11-12 22:41:24,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:41:24,066 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:41:24,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:41:24,068 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:41:24,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d589e924-d17c-4b08-917d-de47b4544e70/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 22:41:26,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:41:26,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 1664 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 22:41:26,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:41:27,477 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2021-11-12 22:41:27,477 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:41:28,100 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-11-12 22:41:28,100 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:41:28,100 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [525797282] [2021-11-12 22:41:28,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [525797282] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:41:28,100 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:41:28,100 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 22:41:28,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148270428] [2021-11-12 22:41:28,101 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:41:28,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 22:41:28,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:41:28,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 22:41:28,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:41:28,102 INFO L87 Difference]: Start difference. First operand 74001 states and 106523 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2021-11-12 22:41:30,328 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:41:48,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:41:48,189 INFO L93 Difference]: Finished difference Result 284890 states and 409863 transitions. [2021-11-12 22:41:48,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:41:48,190 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 212 [2021-11-12 22:41:48,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:41:50,657 INFO L225 Difference]: With dead ends: 284890 [2021-11-12 22:41:50,657 INFO L226 Difference]: Without dead ends: 210924 [2021-11-12 22:41:51,111 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 422 GetRequests, 420 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:41:51,112 INFO L933 BasicCegarLoop]: 5245 mSDtfsCounter, 6894 mSDsluCounter, 8111 mSDsCounter, 0 mSdLazyCounter, 1464 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11191.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6894 SdHoareTripleChecker+Valid, 13356 SdHoareTripleChecker+Invalid, 1473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 36.27ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1464 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11949.18ms IncrementalHoareTripleChecker+Time [2021-11-12 22:41:51,112 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6894 Valid, 13356 Invalid, 1473 Unknown, 0 Unchecked, 36.27ms Time], IncrementalHoareTripleChecker [8 Valid, 1464 Invalid, 1 Unknown, 0 Unchecked, 11949.18ms Time] [2021-11-12 22:41:51,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210924 states. [2021-11-12 22:42:02,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210924 to 210551. [2021-11-12 22:42:03,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210551 states, 135602 states have (on average 1.2889411660594976) internal successors, (174783), 142455 states have internal predecessors, (174783), 63354 states have call successors, (63354), 11606 states have call predecessors, (63354), 11592 states have return successors, (64745), 58128 states have call predecessors, (64745), 63350 states have call successors, (64745) [2021-11-12 22:42:05,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210551 states to 210551 states and 302882 transitions. [2021-11-12 22:42:05,104 INFO L78 Accepts]: Start accepts. Automaton has 210551 states and 302882 transitions. Word has length 212 [2021-11-12 22:42:05,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:42:05,105 INFO L470 AbstractCegarLoop]: Abstraction has 210551 states and 302882 transitions. [2021-11-12 22:42:05,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2021-11-12 22:42:05,105 INFO L276 IsEmpty]: Start isEmpty. Operand 210551 states and 302882 transitions.