./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.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_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/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_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/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_36fb1228-d85a-4861-aaad-8ed30be1583b/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 bf04605b927a140287b1c754ad26365df4778b673325ded7dfdba05deed83fbc --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:29:05,954 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:29:05,957 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:29:06,013 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:29:06,014 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:29:06,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:29:06,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:29:06,024 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:29:06,027 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:29:06,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:29:06,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:29:06,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:29:06,037 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:29:06,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:29:06,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:29:06,046 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:29:06,048 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:29:06,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:29:06,052 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:29:06,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:29:06,063 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:29:06,065 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:29:06,068 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:29:06,069 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:29:06,079 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:29:06,080 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:29:06,081 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:29:06,083 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:29:06,084 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:29:06,085 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:29:06,086 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:29:06,087 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:29:06,089 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:29:06,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:29:06,092 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:29:06,093 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:29:06,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:29:06,094 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:29:06,094 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:29:06,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:29:06,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:29:06,097 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 23:29:06,144 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:29:06,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:29:06,146 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:29:06,146 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:29:06,146 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:29:06,147 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:29:06,147 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:29:06,147 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:29:06,154 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:29:06,154 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:29:06,155 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:29:06,156 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:29:06,156 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:29:06,156 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:29:06,156 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:29:06,157 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:29:06,158 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:29:06,158 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:29:06,158 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:29:06,158 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:29:06,159 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:29:06,159 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:29:06,159 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:29:06,159 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:29:06,160 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:29:06,160 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:29:06,160 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:29:06,161 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:29:06,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:29:06,163 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:29:06,163 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:29:06,163 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:29:06,164 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:29:06,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:29:06,164 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:29:06,164 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:29:06,165 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:29:06,165 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_36fb1228-d85a-4861-aaad-8ed30be1583b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf04605b927a140287b1c754ad26365df4778b673325ded7dfdba05deed83fbc [2021-11-12 23:29:06,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:29:06,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:29:06,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:29:06,458 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:29:06,459 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:29:06,461 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2021-11-12 23:29:06,528 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/data/a499abb17/b585cde6232844fab50cebd0175e60f4/FLAG844421fd0 [2021-11-12 23:29:07,601 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:29:07,603 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2021-11-12 23:29:07,679 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/data/a499abb17/b585cde6232844fab50cebd0175e60f4/FLAG844421fd0 [2021-11-12 23:29:07,932 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/data/a499abb17/b585cde6232844fab50cebd0175e60f4 [2021-11-12 23:29:07,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:29:07,935 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:29:07,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:29:07,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:29:07,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:29:07,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:29:07" (1/1) ... [2021-11-12 23:29:07,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78167790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:29:07, skipping insertion in model container [2021-11-12 23:29:07,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:29:07" (1/1) ... [2021-11-12 23:29:07,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:29:08,162 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:29:11,185 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:29:11,328 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:29:11,329 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:29:12,703 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_36fb1228-d85a-4861-aaad-8ed30be1583b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422318,422331] [2021-11-12 23:29:12,709 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_36fb1228-d85a-4861-aaad-8ed30be1583b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422487,422500] [2021-11-12 23:29:12,710 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_36fb1228-d85a-4861-aaad-8ed30be1583b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422654,422667] [2021-11-12 23:29:12,717 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_36fb1228-d85a-4861-aaad-8ed30be1583b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422822,422835] [2021-11-12 23:29:12,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:29:12,829 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 23:29:12,830 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7f70252c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:29:12, skipping insertion in model container [2021-11-12 23:29:12,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:29:12,830 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:29:12,833 INFO L158 Benchmark]: Toolchain (without parser) took 4895.87ms. Allocated memory was 86.0MB in the beginning and 176.2MB in the end (delta: 90.2MB). Free memory was 41.5MB in the beginning and 105.7MB in the end (delta: -64.1MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. [2021-11-12 23:29:12,834 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 86.0MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:29:12,836 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4893.38ms. Allocated memory was 86.0MB in the beginning and 176.2MB in the end (delta: 90.2MB). Free memory was 41.4MB in the beginning and 105.7MB in the end (delta: -64.3MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. [2021-11-12 23:29:12,839 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 86.0MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4893.38ms. Allocated memory was 86.0MB in the beginning and 176.2MB in the end (delta: 90.2MB). Free memory was 41.4MB in the beginning and 105.7MB in the end (delta: -64.3MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6641]: 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_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/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_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/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_36fb1228-d85a-4861-aaad-8ed30be1583b/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 bf04605b927a140287b1c754ad26365df4778b673325ded7dfdba05deed83fbc --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:29:15,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:29:15,197 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:29:15,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:29:15,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:29:15,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:29:15,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:29:15,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:29:15,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:29:15,267 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:29:15,268 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:29:15,272 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:29:15,272 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:29:15,273 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:29:15,274 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:29:15,275 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:29:15,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:29:15,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:29:15,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:29:15,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:29:15,283 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:29:15,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:29:15,290 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:29:15,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:29:15,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:29:15,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:29:15,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:29:15,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:29:15,297 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:29:15,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:29:15,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:29:15,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:29:15,307 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:29:15,309 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:29:15,313 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:29:15,313 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:29:15,314 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:29:15,314 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:29:15,315 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:29:15,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:29:15,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:29:15,318 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 23:29:15,364 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:29:15,364 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:29:15,366 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:29:15,366 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:29:15,366 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:29:15,366 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:29:15,366 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:29:15,367 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:29:15,367 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:29:15,367 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:29:15,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:29:15,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:29:15,370 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:29:15,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:29:15,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:29:15,371 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:29:15,371 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:29:15,371 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:29:15,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:29:15,371 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:29:15,372 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:29:15,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:29:15,372 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:29:15,372 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:29:15,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:29:15,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:29:15,373 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:29:15,373 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:29:15,373 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:29:15,373 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:29:15,374 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:29:15,374 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:29:15,374 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:29:15,374 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_36fb1228-d85a-4861-aaad-8ed30be1583b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf04605b927a140287b1c754ad26365df4778b673325ded7dfdba05deed83fbc [2021-11-12 23:29:15,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:29:15,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:29:15,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:29:15,803 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:29:15,805 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:29:15,806 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2021-11-12 23:29:15,885 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/data/ccea639c5/032e5d15229a40f3a9457a7c0a070e02/FLAG34672e72a [2021-11-12 23:29:16,985 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:29:16,985 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2021-11-12 23:29:17,057 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/data/ccea639c5/032e5d15229a40f3a9457a7c0a070e02/FLAG34672e72a [2021-11-12 23:29:17,273 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/data/ccea639c5/032e5d15229a40f3a9457a7c0a070e02 [2021-11-12 23:29:17,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:29:17,278 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:29:17,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:29:17,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:29:17,283 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:29:17,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:29:17" (1/1) ... [2021-11-12 23:29:17,285 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@318adddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:29:17, skipping insertion in model container [2021-11-12 23:29:17,285 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:29:17" (1/1) ... [2021-11-12 23:29:17,293 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:29:17,493 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:29:21,927 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_36fb1228-d85a-4861-aaad-8ed30be1583b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422318,422331] [2021-11-12 23:29:21,930 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_36fb1228-d85a-4861-aaad-8ed30be1583b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422487,422500] [2021-11-12 23:29:21,931 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_36fb1228-d85a-4861-aaad-8ed30be1583b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422654,422667] [2021-11-12 23:29:21,932 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_36fb1228-d85a-4861-aaad-8ed30be1583b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422822,422835] [2021-11-12 23:29:21,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:29:22,041 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 23:29:22,113 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:29:22,547 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_36fb1228-d85a-4861-aaad-8ed30be1583b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422318,422331] [2021-11-12 23:29:22,548 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_36fb1228-d85a-4861-aaad-8ed30be1583b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422487,422500] [2021-11-12 23:29:22,549 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_36fb1228-d85a-4861-aaad-8ed30be1583b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422654,422667] [2021-11-12 23:29:22,549 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_36fb1228-d85a-4861-aaad-8ed30be1583b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422822,422835] [2021-11-12 23:29:22,557 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:29:22,580 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:29:23,237 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_36fb1228-d85a-4861-aaad-8ed30be1583b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422318,422331] [2021-11-12 23:29:23,238 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_36fb1228-d85a-4861-aaad-8ed30be1583b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422487,422500] [2021-11-12 23:29:23,240 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_36fb1228-d85a-4861-aaad-8ed30be1583b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422654,422667] [2021-11-12 23:29:23,240 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_36fb1228-d85a-4861-aaad-8ed30be1583b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422822,422835] [2021-11-12 23:29:23,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:29:23,693 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:29:23,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:29:23 WrapperNode [2021-11-12 23:29:23,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:29:23,699 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:29:23,699 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:29:23,700 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:29:23,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:29:23" (1/1) ... [2021-11-12 23:29:23,861 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:29:23" (1/1) ... [2021-11-12 23:29:24,156 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:29:24,157 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:29:24,158 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:29:24,159 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:29:24,168 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:29:23" (1/1) ... [2021-11-12 23:29:24,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:29:23" (1/1) ... [2021-11-12 23:29:24,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:29:23" (1/1) ... [2021-11-12 23:29:24,244 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:29:23" (1/1) ... [2021-11-12 23:29:24,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:29:23" (1/1) ... [2021-11-12 23:29:24,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:29:23" (1/1) ... [2021-11-12 23:29:24,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:29:23" (1/1) ... [2021-11-12 23:29:24,575 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:29:24,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:29:24,576 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:29:24,576 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:29:24,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:29:23" (1/1) ... [2021-11-12 23:29:24,585 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:29:24,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:29:24,609 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:29:24,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:29:24,659 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2021-11-12 23:29:24,659 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2021-11-12 23:29:24,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-12 23:29:24,659 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-12 23:29:24,659 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-12 23:29:24,660 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-12 23:29:24,660 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-12 23:29:24,660 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-12 23:29:24,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 23:29:24,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 23:29:24,660 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-12 23:29:24,661 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-12 23:29:24,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-12 23:29:24,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-12 23:29:24,661 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-12 23:29:24,661 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-12 23:29:24,661 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-12 23:29:24,662 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-12 23:29:24,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_63 [2021-11-12 23:29:24,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_63 [2021-11-12 23:29:24,662 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_interrupt [2021-11-12 23:29:24,662 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_interrupt [2021-11-12 23:29:24,662 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-12 23:29:24,663 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-12 23:29:24,663 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-12 23:29:24,663 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-12 23:29:24,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-12 23:29:24,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-12 23:29:24,663 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-12 23:29:24,664 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-12 23:29:24,664 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-12 23:29:24,664 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-12 23:29:24,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-12 23:29:24,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-12 23:29:24,664 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-12 23:29:24,664 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-12 23:29:24,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:29:24,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:29:24,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 23:29:24,665 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_bcr [2021-11-12 23:29:24,665 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_bcr [2021-11-12 23:29:24,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 23:29:24,666 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-12 23:29:24,666 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-12 23:29:24,666 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-12 23:29:24,666 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-12 23:29:24,666 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~X~C_INT~TO~~u16~0 [2021-11-12 23:29:24,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~X~C_INT~TO~~u16~0 [2021-11-12 23:29:24,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2021-11-12 23:29:24,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2021-11-12 23:29:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-12 23:29:24,667 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-12 23:29:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-12 23:29:24,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-12 23:29:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-12 23:29:24,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-12 23:29:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_tx_ring [2021-11-12 23:29:24,668 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_tx_ring [2021-11-12 23:29:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-12 23:29:24,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-12 23:29:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-12 23:29:24,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-12 23:29:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_bcr [2021-11-12 23:29:24,669 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_bcr [2021-11-12 23:29:24,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-12 23:29:24,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-12 23:29:24,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-12 23:29:24,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-12 23:29:24,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-12 23:29:24,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-12 23:29:24,670 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-12 23:29:24,670 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-12 23:29:24,670 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-12 23:29:24,670 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-12 23:29:24,670 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_start [2021-11-12 23:29:24,670 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_start [2021-11-12 23:29:24,671 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-12 23:29:24,671 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-12 23:29:24,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-12 23:29:24,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-12 23:29:24,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:29:24,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-12 23:29:24,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-12 23:29:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-12 23:29:24,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-12 23:29:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2021-11-12 23:29:24,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2021-11-12 23:29:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-12 23:29:24,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-12 23:29:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-12 23:29:24,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-12 23:29:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_open [2021-11-12 23:29:24,673 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_open [2021-11-12 23:29:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-12 23:29:24,673 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-12 23:29:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-12 23:29:24,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-12 23:29:24,674 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-12 23:29:24,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-12 23:29:24,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:29:24,674 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-12 23:29:24,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 23:29:24,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 23:29:24,674 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:29:24,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:29:24,675 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_reset [2021-11-12 23:29:24,675 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_reset [2021-11-12 23:29:24,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 23:29:24,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_pcnet32_private [2021-11-12 23:29:24,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_pcnet32_private [2021-11-12 23:29:24,675 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-12 23:29:24,676 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-12 23:29:24,676 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_restart [2021-11-12 23:29:24,676 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_restart [2021-11-12 23:29:24,676 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-12 23:29:24,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-12 23:29:24,676 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-12 23:29:24,676 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-12 23:29:24,677 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-12 23:29:24,677 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-12 23:29:24,677 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-12 23:29:24,677 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-12 23:29:24,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-12 23:29:24,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-12 23:29:24,677 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_csr [2021-11-12 23:29:24,678 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_csr [2021-11-12 23:29:24,678 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-12 23:29:24,678 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-12 23:29:24,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 23:29:24,678 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_reset [2021-11-12 23:29:24,678 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_reset [2021-11-12 23:29:24,678 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-11-12 23:29:24,679 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-11-12 23:29:24,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:29:24,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:29:24,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 23:29:24,679 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-12 23:29:24,679 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-12 23:29:24,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 23:29:24,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 23:29:24,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 23:29:24,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-12 23:29:24,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 23:29:24,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-12 23:29:24,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-12 23:29:24,680 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_pm_resume [2021-11-12 23:29:24,681 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_pm_resume [2021-11-12 23:29:24,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-12 23:29:24,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-12 23:29:24,681 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_check_media [2021-11-12 23:29:24,681 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_check_media [2021-11-12 23:29:24,681 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_get_regs_len [2021-11-12 23:29:24,681 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_get_regs_len [2021-11-12 23:29:24,681 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-12 23:29:24,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-12 23:29:24,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-12 23:29:24,682 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_poll_controller [2021-11-12 23:29:24,682 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_poll_controller [2021-11-12 23:29:24,682 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_free_ring [2021-11-12 23:29:24,682 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_free_ring [2021-11-12 23:29:24,682 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-12 23:29:24,683 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-12 23:29:24,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-12 23:29:24,683 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-12 23:29:24,683 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-12 23:29:24,683 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-12 23:29:24,683 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-12 23:29:24,683 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-12 23:29:24,684 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-12 23:29:24,684 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-12 23:29:24,684 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2021-11-12 23:29:24,684 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2021-11-12 23:29:24,684 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_rx_ring [2021-11-12 23:29:24,684 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_rx_ring [2021-11-12 23:29:24,684 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_csr [2021-11-12 23:29:24,685 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_csr [2021-11-12 23:29:24,685 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_tx_timeout [2021-11-12 23:29:24,685 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_tx_timeout [2021-11-12 23:29:24,685 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-12 23:29:24,685 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-12 23:29:24,685 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_stop [2021-11-12 23:29:24,685 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_stop [2021-11-12 23:29:24,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:29:24,686 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-12 23:29:24,686 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-12 23:29:24,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 23:29:24,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_pcnet32_private [2021-11-12 23:29:24,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_pcnet32_private [2021-11-12 23:29:24,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 23:29:24,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 23:29:24,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 23:29:24,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 23:29:24,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 23:29:24,687 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_csr [2021-11-12 23:29:24,687 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_csr [2021-11-12 23:29:24,687 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_set_multicast_list [2021-11-12 23:29:24,687 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_set_multicast_list [2021-11-12 23:29:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-11-12 23:29:24,688 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-11-12 23:29:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-12 23:29:24,688 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-12 23:29:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2021-11-12 23:29:24,688 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2021-11-12 23:29:24,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-12 23:29:24,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-12 23:29:24,689 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_probe1 [2021-11-12 23:29:24,689 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_probe1 [2021-11-12 23:29:24,689 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-11-12 23:29:24,689 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-11-12 23:29:24,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-12 23:29:24,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-12 23:29:24,690 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_remove_one [2021-11-12 23:29:24,690 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_remove_one [2021-11-12 23:29:24,690 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2021-11-12 23:29:24,690 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2021-11-12 23:29:24,690 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_bcr [2021-11-12 23:29:24,690 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_bcr [2021-11-12 23:29:24,690 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-12 23:29:24,690 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-12 23:29:24,691 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-12 23:29:24,691 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-12 23:29:24,691 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-12 23:29:24,691 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-12 23:29:24,691 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_bcr [2021-11-12 23:29:24,691 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_bcr [2021-11-12 23:29:24,691 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-12 23:29:24,692 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-12 23:29:24,692 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_init_ring [2021-11-12 23:29:24,692 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_init_ring [2021-11-12 23:29:24,692 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_close [2021-11-12 23:29:24,692 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_close [2021-11-12 23:29:24,692 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-12 23:29:24,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-12 23:29:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-12 23:29:24,693 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-12 23:29:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_suspend [2021-11-12 23:29:24,693 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_suspend [2021-11-12 23:29:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 23:29:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 23:29:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 23:29:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 23:29:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-12 23:29:24,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-12 23:29:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-12 23:29:24,694 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-12 23:29:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-12 23:29:24,694 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-12 23:29:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_csr [2021-11-12 23:29:24,694 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_csr [2021-11-12 23:29:24,695 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_load_multicast [2021-11-12 23:29:24,695 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_load_multicast [2021-11-12 23:29:24,695 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-12 23:29:24,695 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-12 23:29:24,695 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_nway_reset [2021-11-12 23:29:24,695 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_nway_reset [2021-11-12 23:29:24,695 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~X~C_INT~X~~u16~0~TO~VOID [2021-11-12 23:29:24,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~X~C_INT~X~~u16~0~TO~VOID [2021-11-12 23:29:24,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-12 23:29:24,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-12 23:29:24,696 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-12 23:29:24,696 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-12 23:29:24,696 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-12 23:29:24,696 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-12 23:29:24,696 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-12 23:29:24,696 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-12 23:29:24,696 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2021-11-12 23:29:24,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2021-11-12 23:29:24,697 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-11-12 23:29:24,697 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-11-12 23:29:24,697 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-11-12 23:29:24,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-11-12 23:29:24,697 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2021-11-12 23:29:24,697 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2021-11-12 23:29:24,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-12 23:29:24,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-12 23:29:24,698 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-12 23:29:24,698 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-12 23:29:27,522 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-12 23:30:35,802 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-12 23:30:36,111 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:30:36,111 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-12 23:30:36,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:30:36 BoogieIcfgContainer [2021-11-12 23:30:36,118 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:30:36,120 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:30:36,120 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:30:36,123 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:30:36,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:29:17" (1/3) ... [2021-11-12 23:30:36,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34396ea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:30:36, skipping insertion in model container [2021-11-12 23:30:36,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:29:23" (2/3) ... [2021-11-12 23:30:36,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34396ea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:30:36, skipping insertion in model container [2021-11-12 23:30:36,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:30:36" (3/3) ... [2021-11-12 23:30:36,126 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2021-11-12 23:30:36,132 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:30:36,132 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-12 23:30:36,193 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:30:36,200 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 23:30:36,200 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-12 23:30:36,273 INFO L276 IsEmpty]: Start isEmpty. Operand has 2673 states, 1858 states have (on average 1.3003229278794401) internal successors, (2416), 1900 states have internal predecessors, (2416), 692 states have call successors, (692), 123 states have call predecessors, (692), 122 states have return successors, (684), 671 states have call predecessors, (684), 684 states have call successors, (684) [2021-11-12 23:30:36,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-11-12 23:30:36,291 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:30:36,292 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:30:36,293 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 23:30:36,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:30:36,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1467386647, now seen corresponding path program 1 times [2021-11-12 23:30:36,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:30:36,317 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1526752370] [2021-11-12 23:30:36,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:30:36,318 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:30:36,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:30:36,321 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:30:36,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:30:40,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:30:40,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 1829 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:30:40,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:30:40,953 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2021-11-12 23:30:40,953 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:30:41,505 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2021-11-12 23:30:41,506 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:30:41,506 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1526752370] [2021-11-12 23:30:41,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1526752370] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:30:41,507 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:30:41,507 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:30:41,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599825840] [2021-11-12 23:30:41,509 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:30:41,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:30:41,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:30:41,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:30:41,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:30:41,549 INFO L87 Difference]: Start difference. First operand has 2673 states, 1858 states have (on average 1.3003229278794401) internal successors, (2416), 1900 states have internal predecessors, (2416), 692 states have call successors, (692), 123 states have call predecessors, (692), 122 states have return successors, (684), 671 states have call predecessors, (684), 684 states have call successors, (684) Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 4 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2021-11-12 23:30:43,910 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:30:56,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:30:56,323 INFO L93 Difference]: Finished difference Result 10258 states and 14904 transitions. [2021-11-12 23:30:56,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:30:56,325 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 4 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 171 [2021-11-12 23:30:56,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:30:56,414 INFO L225 Difference]: With dead ends: 10258 [2021-11-12 23:30:56,414 INFO L226 Difference]: Without dead ends: 7595 [2021-11-12 23:30:56,444 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 338 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:30:56,447 INFO L933 BasicCegarLoop]: 4993 mSDtfsCounter, 7170 mSDsluCounter, 9278 mSDsCounter, 0 mSdLazyCounter, 1391 mSolverCounterSat, 20 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13115.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7170 SdHoareTripleChecker+Valid, 14271 SdHoareTripleChecker+Invalid, 1412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 86.57ms SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1391 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13962.39ms IncrementalHoareTripleChecker+Time [2021-11-12 23:30:56,448 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7170 Valid, 14271 Invalid, 1412 Unknown, 0 Unchecked, 86.57ms Time], IncrementalHoareTripleChecker [20 Valid, 1391 Invalid, 1 Unknown, 0 Unchecked, 13962.39ms Time] [2021-11-12 23:30:56,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7595 states. [2021-11-12 23:30:57,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7595 to 7568. [2021-11-12 23:30:57,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7568 states, 5280 states have (on average 1.2890151515151516) internal successors, (6806), 5392 states have internal predecessors, (6806), 1926 states have call successors, (1926), 360 states have call predecessors, (1926), 359 states have return successors, (1922), 1885 states have call predecessors, (1922), 1922 states have call successors, (1922) [2021-11-12 23:30:57,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7568 states to 7568 states and 10654 transitions. [2021-11-12 23:30:57,106 INFO L78 Accepts]: Start accepts. Automaton has 7568 states and 10654 transitions. Word has length 171 [2021-11-12 23:30:57,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:30:57,108 INFO L470 AbstractCegarLoop]: Abstraction has 7568 states and 10654 transitions. [2021-11-12 23:30:57,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 4 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2021-11-12 23:30:57,109 INFO L276 IsEmpty]: Start isEmpty. Operand 7568 states and 10654 transitions. [2021-11-12 23:30:57,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-12 23:30:57,122 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:30:57,123 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:30:57,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:30:57,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:30:57,337 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 23:30:57,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:30:57,338 INFO L85 PathProgramCache]: Analyzing trace with hash -361754018, now seen corresponding path program 1 times [2021-11-12 23:30:57,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:30:57,342 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [102121102] [2021-11-12 23:30:57,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:30:57,343 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:30:57,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:30:57,351 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:30:57,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:31:01,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:31:01,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 1872 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:31:01,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:31:01,856 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2021-11-12 23:31:01,857 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:31:02,436 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2021-11-12 23:31:02,436 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:31:02,436 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [102121102] [2021-11-12 23:31:02,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [102121102] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:31:02,437 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:31:02,437 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:31:02,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389858024] [2021-11-12 23:31:02,437 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:31:02,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:31:02,439 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:31:02,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:31:02,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:31:02,440 INFO L87 Difference]: Start difference. First operand 7568 states and 10654 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 4 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2021-11-12 23:31:04,679 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 23:31:18,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:31:18,702 INFO L93 Difference]: Finished difference Result 29829 states and 42117 transitions. [2021-11-12 23:31:18,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:31:18,703 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 4 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) Word has length 175 [2021-11-12 23:31:18,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:31:18,940 INFO L225 Difference]: With dead ends: 29829 [2021-11-12 23:31:18,941 INFO L226 Difference]: Without dead ends: 22292 [2021-11-12 23:31:19,002 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 346 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 23:31:19,003 INFO L933 BasicCegarLoop]: 5245 mSDtfsCounter, 9543 mSDsluCounter, 5878 mSDsCounter, 0 mSdLazyCounter, 1333 mSolverCounterSat, 1359 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14133.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9543 SdHoareTripleChecker+Valid, 11123 SdHoareTripleChecker+Invalid, 2693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 59.45ms SdHoareTripleChecker+Time, 1359 IncrementalHoareTripleChecker+Valid, 1333 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15358.30ms IncrementalHoareTripleChecker+Time [2021-11-12 23:31:19,004 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9543 Valid, 11123 Invalid, 2693 Unknown, 0 Unchecked, 59.45ms Time], IncrementalHoareTripleChecker [1359 Valid, 1333 Invalid, 1 Unknown, 0 Unchecked, 15358.30ms Time] [2021-11-12 23:31:19,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22292 states. [2021-11-12 23:31:20,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22292 to 22228. [2021-11-12 23:31:20,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22228 states, 15566 states have (on average 1.2920467685982269) internal successors, (20112), 15924 states have internal predecessors, (20112), 5602 states have call successors, (5602), 1076 states have call predecessors, (5602), 1057 states have return successors, (5696), 5431 states have call predecessors, (5696), 5598 states have call successors, (5696) [2021-11-12 23:31:20,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22228 states to 22228 states and 31410 transitions. [2021-11-12 23:31:20,605 INFO L78 Accepts]: Start accepts. Automaton has 22228 states and 31410 transitions. Word has length 175 [2021-11-12 23:31:20,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:31:20,608 INFO L470 AbstractCegarLoop]: Abstraction has 22228 states and 31410 transitions. [2021-11-12 23:31:20,609 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 4 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2021-11-12 23:31:20,609 INFO L276 IsEmpty]: Start isEmpty. Operand 22228 states and 31410 transitions. [2021-11-12 23:31:20,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-12 23:31:20,615 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:31:20,615 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:31:20,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:31:20,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:31:20,841 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 23:31:20,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:31:20,841 INFO L85 PathProgramCache]: Analyzing trace with hash 8313641, now seen corresponding path program 1 times [2021-11-12 23:31:20,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:31:20,844 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [648372409] [2021-11-12 23:31:20,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:31:20,845 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:31:20,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:31:20,846 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:31:20,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:31:25,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:31:25,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 1855 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:31:25,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:31:25,792 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2021-11-12 23:31:25,792 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:31:26,375 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2021-11-12 23:31:26,376 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:31:26,376 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [648372409] [2021-11-12 23:31:26,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [648372409] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:31:26,376 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:31:26,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-12 23:31:26,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321143866] [2021-11-12 23:31:26,376 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:31:26,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:31:26,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:31:26,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:31:26,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:31:26,379 INFO L87 Difference]: Start difference. First operand 22228 states and 31410 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-12 23:31:28,666 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:31:30,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:31:30,873 INFO L93 Difference]: Finished difference Result 60870 states and 85736 transitions. [2021-11-12 23:31:30,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:31:30,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 174 [2021-11-12 23:31:30,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:31:31,127 INFO L225 Difference]: With dead ends: 60870 [2021-11-12 23:31:31,127 INFO L226 Difference]: Without dead ends: 38673 [2021-11-12 23:31:31,359 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:31:31,373 INFO L933 BasicCegarLoop]: 4202 mSDtfsCounter, 2716 mSDsluCounter, 3582 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2860.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2716 SdHoareTripleChecker+Valid, 7784 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.92ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2956.33ms IncrementalHoareTripleChecker+Time [2021-11-12 23:31:31,377 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2716 Valid, 7784 Invalid, 95 Unknown, 0 Unchecked, 19.92ms Time], IncrementalHoareTripleChecker [7 Valid, 87 Invalid, 1 Unknown, 0 Unchecked, 2956.33ms Time] [2021-11-12 23:31:31,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38673 states. [2021-11-12 23:31:34,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38673 to 38635. [2021-11-12 23:31:34,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38635 states, 26981 states have (on average 1.2919091212334606) internal successors, (34857), 27588 states have internal predecessors, (34857), 9595 states have call successors, (9595), 2096 states have call predecessors, (9595), 2056 states have return successors, (9826), 9247 states have call predecessors, (9826), 9591 states have call successors, (9826) [2021-11-12 23:31:34,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38635 states to 38635 states and 54278 transitions. [2021-11-12 23:31:34,392 INFO L78 Accepts]: Start accepts. Automaton has 38635 states and 54278 transitions. Word has length 174 [2021-11-12 23:31:34,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:31:34,394 INFO L470 AbstractCegarLoop]: Abstraction has 38635 states and 54278 transitions. [2021-11-12 23:31:34,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-12 23:31:34,395 INFO L276 IsEmpty]: Start isEmpty. Operand 38635 states and 54278 transitions. [2021-11-12 23:31:34,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-12 23:31:34,399 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:31:34,399 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:31:34,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:31:34,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:31:34,621 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 23:31:34,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:31:34,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1336386500, now seen corresponding path program 1 times [2021-11-12 23:31:34,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:31:34,624 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1832731723] [2021-11-12 23:31:34,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:31:34,624 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:31:34,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:31:34,627 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:31:34,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:31:38,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:31:38,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 1895 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:31:38,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:31:39,321 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2021-11-12 23:31:39,321 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:31:39,831 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2021-11-12 23:31:39,832 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:31:39,832 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1832731723] [2021-11-12 23:31:39,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1832731723] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:31:39,832 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:31:39,832 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:31:39,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857503722] [2021-11-12 23:31:39,832 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:31:39,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:31:39,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:31:39,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:31:39,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:31:39,834 INFO L87 Difference]: Start difference. First operand 38635 states and 54278 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 4 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2021-11-12 23:31:42,060 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 23:31:57,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:31:57,066 INFO L93 Difference]: Finished difference Result 111592 states and 154976 transitions. [2021-11-12 23:31:57,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:31:57,067 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 4 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 177 [2021-11-12 23:31:57,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:31:57,661 INFO L225 Difference]: With dead ends: 111592 [2021-11-12 23:31:57,662 INFO L226 Difference]: Without dead ends: 72988 [2021-11-12 23:31:57,842 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 350 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:31:57,845 INFO L933 BasicCegarLoop]: 7451 mSDtfsCounter, 7465 mSDsluCounter, 5666 mSDsCounter, 0 mSdLazyCounter, 1419 mSolverCounterSat, 798 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13407.25ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7465 SdHoareTripleChecker+Valid, 13117 SdHoareTripleChecker+Invalid, 2218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 45.48ms SdHoareTripleChecker+Time, 798 IncrementalHoareTripleChecker+Valid, 1419 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14412.89ms IncrementalHoareTripleChecker+Time [2021-11-12 23:31:57,850 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7465 Valid, 13117 Invalid, 2218 Unknown, 0 Unchecked, 45.48ms Time], IncrementalHoareTripleChecker [798 Valid, 1419 Invalid, 1 Unknown, 0 Unchecked, 14412.89ms Time] [2021-11-12 23:31:57,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72988 states. [2021-11-12 23:32:02,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72988 to 72912. [2021-11-12 23:32:02,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72912 states, 50799 states have (on average 1.2806748164333943) internal successors, (65057), 51898 states have internal predecessors, (65057), 17546 states have call successors, (17546), 4642 states have call predecessors, (17546), 4564 states have return successors, (17825), 16885 states have call predecessors, (17825), 17542 states have call successors, (17825) [2021-11-12 23:32:02,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72912 states to 72912 states and 100428 transitions. [2021-11-12 23:32:02,947 INFO L78 Accepts]: Start accepts. Automaton has 72912 states and 100428 transitions. Word has length 177 [2021-11-12 23:32:02,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:32:02,948 INFO L470 AbstractCegarLoop]: Abstraction has 72912 states and 100428 transitions. [2021-11-12 23:32:02,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 4 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2021-11-12 23:32:02,948 INFO L276 IsEmpty]: Start isEmpty. Operand 72912 states and 100428 transitions. [2021-11-12 23:32:02,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-12 23:32:02,957 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:32:02,958 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:32:03,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:32:03,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:32:03,172 INFO L402 AbstractCegarLoop]: === Iteration 5 === 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 23:32:03,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:32:03,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1565422839, now seen corresponding path program 1 times [2021-11-12 23:32:03,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:32:03,176 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1100197202] [2021-11-12 23:32:03,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:32:03,176 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:32:03,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:32:03,177 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:32:03,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:32:07,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:32:07,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:32:07,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:32:10,553 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 762 trivial. 0 not checked. [2021-11-12 23:32:10,554 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:32:11,815 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2021-11-12 23:32:11,816 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:32:11,816 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1100197202] [2021-11-12 23:32:11,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1100197202] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:32:11,816 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:32:11,816 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2021-11-12 23:32:11,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430958312] [2021-11-12 23:32:11,816 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:32:11,817 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:32:11,817 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:32:11,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:32:11,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:32:11,820 INFO L87 Difference]: Start difference. First operand 72912 states and 100428 transitions. Second operand has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 4 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) [2021-11-12 23:32:16,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:32:16,601 INFO L93 Difference]: Finished difference Result 145538 states and 200444 transitions. [2021-11-12 23:32:16,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:32:16,602 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 4 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) Word has length 236 [2021-11-12 23:32:16,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:32:16,969 INFO L225 Difference]: With dead ends: 145538 [2021-11-12 23:32:16,969 INFO L226 Difference]: Without dead ends: 72912 [2021-11-12 23:32:17,328 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 470 GetRequests, 468 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:32:17,328 INFO L933 BasicCegarLoop]: 3701 mSDtfsCounter, 5941 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1345 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1788.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5941 SdHoareTripleChecker+Valid, 3701 SdHoareTripleChecker+Invalid, 1346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.14ms SdHoareTripleChecker+Time, 1345 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2185.30ms IncrementalHoareTripleChecker+Time [2021-11-12 23:32:17,329 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5941 Valid, 3701 Invalid, 1346 Unknown, 0 Unchecked, 18.14ms Time], IncrementalHoareTripleChecker [1345 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 2185.30ms Time] [2021-11-12 23:32:17,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72912 states. [2021-11-12 23:32:20,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72912 to 72912. [2021-11-12 23:32:20,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72912 states, 50799 states have (on average 1.2803204787495817) internal successors, (65039), 51898 states have internal predecessors, (65039), 17546 states have call successors, (17546), 4642 states have call predecessors, (17546), 4564 states have return successors, (17825), 16885 states have call predecessors, (17825), 17542 states have call successors, (17825) [2021-11-12 23:32:20,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72912 states to 72912 states and 100410 transitions. [2021-11-12 23:32:20,621 INFO L78 Accepts]: Start accepts. Automaton has 72912 states and 100410 transitions. Word has length 236 [2021-11-12 23:32:20,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:32:20,622 INFO L470 AbstractCegarLoop]: Abstraction has 72912 states and 100410 transitions. [2021-11-12 23:32:20,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 4 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) [2021-11-12 23:32:20,622 INFO L276 IsEmpty]: Start isEmpty. Operand 72912 states and 100410 transitions. [2021-11-12 23:32:20,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-12 23:32:20,629 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:32:20,629 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:32:20,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-12 23:32:20,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:32:20,849 INFO L402 AbstractCegarLoop]: === Iteration 6 === 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 23:32:20,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:32:20,849 INFO L85 PathProgramCache]: Analyzing trace with hash 833455413, now seen corresponding path program 1 times [2021-11-12 23:32:20,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:32:20,851 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [449732763] [2021-11-12 23:32:20,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:32:20,851 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:32:20,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:32:20,852 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:32:20,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-12 23:32:24,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:32:24,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 1969 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-12 23:32:24,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:32:25,362 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 791 trivial. 0 not checked. [2021-11-12 23:32:25,362 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:32:26,292 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 891 trivial. 0 not checked. [2021-11-12 23:32:26,292 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:32:26,293 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [449732763] [2021-11-12 23:32:26,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [449732763] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:32:26,293 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:32:26,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 9 [2021-11-12 23:32:26,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804331855] [2021-11-12 23:32:26,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:32:26,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-12 23:32:26,294 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:32:26,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-12 23:32:26,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:32:26,295 INFO L87 Difference]: Start difference. First operand 72912 states and 100410 transitions. Second operand has 8 states, 8 states have (on average 10.375) internal successors, (83), 7 states have internal predecessors, (83), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-12 23:32:38,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:32:38,657 INFO L93 Difference]: Finished difference Result 184218 states and 260024 transitions. [2021-11-12 23:32:38,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-12 23:32:38,658 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 7 states have internal predecessors, (83), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) Word has length 236 [2021-11-12 23:32:38,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:32:39,258 INFO L225 Difference]: With dead ends: 184218 [2021-11-12 23:32:39,259 INFO L226 Difference]: Without dead ends: 111592 [2021-11-12 23:32:39,514 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 477 GetRequests, 466 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2021-11-12 23:32:39,515 INFO L933 BasicCegarLoop]: 5658 mSDtfsCounter, 3895 mSDsluCounter, 29629 mSDsCounter, 0 mSdLazyCounter, 763 mSolverCounterSat, 1053 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5882.29ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4158 SdHoareTripleChecker+Valid, 35287 SdHoareTripleChecker+Invalid, 1816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 79.04ms SdHoareTripleChecker+Time, 1053 IncrementalHoareTripleChecker+Valid, 763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6257.08ms IncrementalHoareTripleChecker+Time [2021-11-12 23:32:39,516 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4158 Valid, 35287 Invalid, 1816 Unknown, 0 Unchecked, 79.04ms Time], IncrementalHoareTripleChecker [1053 Valid, 763 Invalid, 0 Unknown, 0 Unchecked, 6257.08ms Time] [2021-11-12 23:32:39,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111592 states. [2021-11-12 23:32:44,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111592 to 72930. [2021-11-12 23:32:44,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72930 states, 50817 states have (on average 1.279985044374914) internal successors, (65045), 51916 states have internal predecessors, (65045), 17546 states have call successors, (17546), 4642 states have call predecessors, (17546), 4564 states have return successors, (17825), 16885 states have call predecessors, (17825), 17542 states have call successors, (17825) [2021-11-12 23:32:45,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72930 states to 72930 states and 100416 transitions. [2021-11-12 23:32:45,411 INFO L78 Accepts]: Start accepts. Automaton has 72930 states and 100416 transitions. Word has length 236 [2021-11-12 23:32:45,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:32:45,412 INFO L470 AbstractCegarLoop]: Abstraction has 72930 states and 100416 transitions. [2021-11-12 23:32:45,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 7 states have internal predecessors, (83), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-12 23:32:45,413 INFO L276 IsEmpty]: Start isEmpty. Operand 72930 states and 100416 transitions. [2021-11-12 23:32:45,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-11-12 23:32:45,420 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:32:45,420 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:32:45,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-12 23:32:45,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:32:45,645 INFO L402 AbstractCegarLoop]: === Iteration 7 === 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 23:32:45,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:32:45,645 INFO L85 PathProgramCache]: Analyzing trace with hash 817936695, now seen corresponding path program 1 times [2021-11-12 23:32:45,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:32:45,649 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [738952408] [2021-11-12 23:32:45,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:32:45,649 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:32:45,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:32:45,651 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:32:45,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36fb1228-d85a-4861-aaad-8ed30be1583b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-12 23:32:49,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:32:49,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 1968 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-12 23:32:49,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:32:55,299 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 794 trivial. 0 not checked. [2021-11-12 23:32:55,299 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:32:56,660 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2021-11-12 23:32:56,660 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:32:56,660 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [738952408] [2021-11-12 23:32:56,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [738952408] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:32:56,660 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:32:56,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2021-11-12 23:32:56,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421740125] [2021-11-12 23:32:56,661 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:32:56,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:32:56,661 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:32:56,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:32:56,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:32:56,662 INFO L87 Difference]: Start difference. First operand 72930 states and 100416 transitions. Second operand has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 4 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) [2021-11-12 23:33:07,633 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:33:09,822 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:33:19,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:33:19,569 INFO L93 Difference]: Finished difference Result 225442 states and 310053 transitions. [2021-11-12 23:33:19,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:33:19,569 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 4 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) Word has length 236 [2021-11-12 23:33:19,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:33:20,408 INFO L225 Difference]: With dead ends: 225442 [2021-11-12 23:33:20,409 INFO L226 Difference]: Without dead ends: 152798 [2021-11-12 23:33:20,709 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 470 GetRequests, 468 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:33:20,711 INFO L933 BasicCegarLoop]: 6408 mSDtfsCounter, 6439 mSDsluCounter, 5821 mSDsCounter, 0 mSdLazyCounter, 1296 mSolverCounterSat, 595 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14370.43ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6441 SdHoareTripleChecker+Valid, 12229 SdHoareTripleChecker+Invalid, 1893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 40.74ms SdHoareTripleChecker+Time, 595 IncrementalHoareTripleChecker+Valid, 1296 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15408.02ms IncrementalHoareTripleChecker+Time [2021-11-12 23:33:20,711 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6441 Valid, 12229 Invalid, 1893 Unknown, 0 Unchecked, 40.74ms Time], IncrementalHoareTripleChecker [595 Valid, 1296 Invalid, 2 Unknown, 0 Unchecked, 15408.02ms Time] [2021-11-12 23:33:20,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152798 states.