./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.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_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/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_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/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_88389b26-bb19-4398-a979-eea4f5931283/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 823dbaedd533794fe01fe70b8b2576c9f5fbcfa37b174fa416f2fd6a90f91fc3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:37:59,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:37:59,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:37:59,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:37:59,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:37:59,642 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:37:59,643 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:37:59,646 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:37:59,648 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:37:59,649 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:37:59,650 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:37:59,651 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:37:59,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:37:59,653 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:37:59,655 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:37:59,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:37:59,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:37:59,666 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:37:59,668 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:37:59,673 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:37:59,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:37:59,683 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:37:59,684 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:37:59,691 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:37:59,695 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:37:59,697 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:37:59,697 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:37:59,698 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:37:59,700 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:37:59,701 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:37:59,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:37:59,704 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:37:59,705 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:37:59,706 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:37:59,708 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:37:59,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:37:59,710 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:37:59,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:37:59,711 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:37:59,712 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:37:59,712 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:37:59,713 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 23:37:59,756 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:37:59,756 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:37:59,758 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:37:59,758 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:37:59,758 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:37:59,759 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:37:59,759 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:37:59,759 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:37:59,759 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:37:59,759 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:37:59,766 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:37:59,767 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:37:59,767 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:37:59,767 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:37:59,768 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:37:59,768 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:37:59,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:37:59,769 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:37:59,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:37:59,769 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:37:59,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:37:59,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:37:59,770 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:37:59,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:37:59,771 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:37:59,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:37:59,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:37:59,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:37:59,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:37:59,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:37:59,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:37:59,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:37:59,773 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:37:59,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:37:59,773 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:37:59,774 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:37:59,774 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:37:59,774 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_88389b26-bb19-4398-a979-eea4f5931283/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 823dbaedd533794fe01fe70b8b2576c9f5fbcfa37b174fa416f2fd6a90f91fc3 [2021-11-12 23:38:00,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:38:00,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:38:00,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:38:00,063 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:38:00,064 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:38:00,065 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2021-11-12 23:38:00,156 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/data/2f235eab3/504c16b0ad5f4f698a6094a6886304ee/FLAG4a9dc87e4 [2021-11-12 23:38:01,250 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:38:01,251 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2021-11-12 23:38:01,327 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/data/2f235eab3/504c16b0ad5f4f698a6094a6886304ee/FLAG4a9dc87e4 [2021-11-12 23:38:01,476 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/data/2f235eab3/504c16b0ad5f4f698a6094a6886304ee [2021-11-12 23:38:01,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:38:01,481 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:38:01,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:38:01,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:38:01,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:38:01,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:38:01" (1/1) ... [2021-11-12 23:38:01,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63b4c228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:01, skipping insertion in model container [2021-11-12 23:38:01,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:38:01" (1/1) ... [2021-11-12 23:38:01,501 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:38:01,814 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:38:05,681 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 23:38:06,381 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 23:38:06,382 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 23:38:06,415 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 23:38:07,538 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 23:38:07,799 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 23:38:07,801 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 23:38:07,804 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 23:38:07,806 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 23:38:09,304 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_88389b26-bb19-4398-a979-eea4f5931283/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[655333,655346] [2021-11-12 23:38:09,307 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_88389b26-bb19-4398-a979-eea4f5931283/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[655502,655515] [2021-11-12 23:38:09,308 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_88389b26-bb19-4398-a979-eea4f5931283/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[655669,655682] [2021-11-12 23:38:09,309 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_88389b26-bb19-4398-a979-eea4f5931283/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[655837,655850] [2021-11-12 23:38:09,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:38:09,435 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 23:38:09,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@647f58b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:09, skipping insertion in model container [2021-11-12 23:38:09,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:38:09,436 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:38:09,438 INFO L158 Benchmark]: Toolchain (without parser) took 7955.87ms. Allocated memory was 123.7MB in the beginning and 188.7MB in the end (delta: 65.0MB). Free memory was 86.0MB in the beginning and 67.6MB in the end (delta: 18.4MB). Peak memory consumption was 98.4MB. Max. memory is 16.1GB. [2021-11-12 23:38:09,439 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 92.3MB. Free memory was 62.6MB in the beginning and 62.6MB in the end (delta: 29.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:38:09,442 INFO L158 Benchmark]: CACSL2BoogieTranslator took 7950.24ms. Allocated memory was 123.7MB in the beginning and 188.7MB in the end (delta: 65.0MB). Free memory was 86.0MB in the beginning and 67.6MB in the end (delta: 18.4MB). Peak memory consumption was 98.4MB. Max. memory is 16.1GB. [2021-11-12 23:38:09,444 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 92.3MB. Free memory was 62.6MB in the beginning and 62.6MB in the end (delta: 29.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 7950.24ms. Allocated memory was 123.7MB in the beginning and 188.7MB in the end (delta: 65.0MB). Free memory was 86.0MB in the beginning and 67.6MB in the end (delta: 18.4MB). Peak memory consumption was 98.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7480]: 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_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/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_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/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_88389b26-bb19-4398-a979-eea4f5931283/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 823dbaedd533794fe01fe70b8b2576c9f5fbcfa37b174fa416f2fd6a90f91fc3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:38:11,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:38:11,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:38:11,751 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:38:11,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:38:11,761 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:38:11,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:38:11,768 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:38:11,771 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:38:11,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:38:11,780 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:38:11,782 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:38:11,782 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:38:11,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:38:11,787 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:38:11,790 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:38:11,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:38:11,792 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:38:11,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:38:11,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:38:11,806 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:38:11,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:38:11,810 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:38:11,812 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:38:11,821 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:38:11,822 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:38:11,822 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:38:11,824 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:38:11,825 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:38:11,826 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:38:11,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:38:11,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:38:11,830 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:38:11,831 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:38:11,832 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:38:11,832 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:38:11,833 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:38:11,834 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:38:11,834 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:38:11,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:38:11,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:38:11,841 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 23:38:11,865 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:38:11,868 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:38:11,869 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:38:11,869 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:38:11,870 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:38:11,870 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:38:11,870 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:38:11,871 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:38:11,871 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:38:11,871 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:38:11,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:38:11,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:38:11,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:38:11,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:38:11,875 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:38:11,875 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:38:11,875 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:38:11,875 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:38:11,876 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:38:11,876 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:38:11,876 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:38:11,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:38:11,877 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:38:11,877 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:38:11,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:38:11,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:38:11,878 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:38:11,878 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:38:11,879 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:38:11,879 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:38:11,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:38:11,879 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:38:11,880 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:38:11,880 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_88389b26-bb19-4398-a979-eea4f5931283/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 823dbaedd533794fe01fe70b8b2576c9f5fbcfa37b174fa416f2fd6a90f91fc3 [2021-11-12 23:38:12,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:38:12,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:38:12,311 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:38:12,313 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:38:12,313 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:38:12,315 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2021-11-12 23:38:12,404 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/data/c26ad7eb6/60acb6df93bd4d3cade885849af4b881/FLAG79d3de31f [2021-11-12 23:38:13,715 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:38:13,716 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2021-11-12 23:38:13,829 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/data/c26ad7eb6/60acb6df93bd4d3cade885849af4b881/FLAG79d3de31f [2021-11-12 23:38:13,899 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/data/c26ad7eb6/60acb6df93bd4d3cade885849af4b881 [2021-11-12 23:38:13,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:38:13,903 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:38:13,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:38:13,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:38:13,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:38:13,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:38:13" (1/1) ... [2021-11-12 23:38:13,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c85dea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:13, skipping insertion in model container [2021-11-12 23:38:13,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:38:13" (1/1) ... [2021-11-12 23:38:13,967 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:38:14,258 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:38:22,014 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_88389b26-bb19-4398-a979-eea4f5931283/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[655333,655346] [2021-11-12 23:38:22,017 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_88389b26-bb19-4398-a979-eea4f5931283/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[655502,655515] [2021-11-12 23:38:22,018 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_88389b26-bb19-4398-a979-eea4f5931283/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[655669,655682] [2021-11-12 23:38:22,018 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_88389b26-bb19-4398-a979-eea4f5931283/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[655837,655850] [2021-11-12 23:38:22,056 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:38:22,173 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 23:38:22,298 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:38:23,070 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[655333,655346] [2021-11-12 23:38:23,071 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_88389b26-bb19-4398-a979-eea4f5931283/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[655502,655515] [2021-11-12 23:38:23,072 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_88389b26-bb19-4398-a979-eea4f5931283/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[655669,655682] [2021-11-12 23:38:23,072 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_88389b26-bb19-4398-a979-eea4f5931283/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[655837,655850] [2021-11-12 23:38:23,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:38:23,148 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:38:23,961 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_88389b26-bb19-4398-a979-eea4f5931283/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[655333,655346] [2021-11-12 23:38:23,961 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_88389b26-bb19-4398-a979-eea4f5931283/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[655502,655515] [2021-11-12 23:38:23,962 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_88389b26-bb19-4398-a979-eea4f5931283/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[655669,655682] [2021-11-12 23:38:23,963 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_88389b26-bb19-4398-a979-eea4f5931283/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[655837,655850] [2021-11-12 23:38:23,977 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:38:24,576 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:38:24,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:24 WrapperNode [2021-11-12 23:38:24,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:38:24,578 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:38:24,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:38:24,579 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:38:24,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:24" (1/1) ... [2021-11-12 23:38:24,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:24" (1/1) ... [2021-11-12 23:38:25,260 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:38:25,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:38:25,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:38:25,261 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:38:25,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:24" (1/1) ... [2021-11-12 23:38:25,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:24" (1/1) ... [2021-11-12 23:38:25,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:24" (1/1) ... [2021-11-12 23:38:25,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:24" (1/1) ... [2021-11-12 23:38:25,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:24" (1/1) ... [2021-11-12 23:38:25,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:24" (1/1) ... [2021-11-12 23:38:26,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:24" (1/1) ... [2021-11-12 23:38:26,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:38:26,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:38:26,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:38:26,306 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:38:26,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:24" (1/1) ... [2021-11-12 23:38:26,313 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:38:26,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:38:26,337 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:38:26,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:38:26,389 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-11-12 23:38:26,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-11-12 23:38:26,390 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-12 23:38:26,390 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-12 23:38:26,390 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-12 23:38:26,390 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2021-11-12 23:38:26,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2021-11-12 23:38:26,391 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_both_serdes [2021-11-12 23:38:26,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_both_serdes [2021-11-12 23:38:26,391 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2021-11-12 23:38:26,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2021-11-12 23:38:26,391 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2021-11-12 23:38:26,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2021-11-12 23:38:26,392 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2021-11-12 23:38:26,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2021-11-12 23:38:26,392 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2021-11-12 23:38:26,392 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2021-11-12 23:38:26,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-12 23:38:26,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-12 23:38:26,393 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-12 23:38:26,393 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-12 23:38:26,393 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-12 23:38:26,393 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-12 23:38:26,393 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2021-11-12 23:38:26,394 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2021-11-12 23:38:26,394 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2021-11-12 23:38:26,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2021-11-12 23:38:26,395 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2021-11-12 23:38:26,395 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2021-11-12 23:38:26,395 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-12 23:38:26,395 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-12 23:38:26,395 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-12 23:38:26,396 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-12 23:38:26,396 INFO L130 BoogieDeclarations]: Found specification of procedure ql_dump_risc_ram_area [2021-11-12 23:38:26,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_dump_risc_ram_area [2021-11-12 23:38:26,396 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_other_func_reg [2021-11-12 23:38:26,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_other_func_reg [2021-11-12 23:38:26,397 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-12 23:38:26,397 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-12 23:38:26,397 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-12 23:38:26,397 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-12 23:38:26,398 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_xgmac_regs [2021-11-12 23:38:26,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_xgmac_regs [2021-11-12 23:38:26,399 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2021-11-12 23:38:26,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2021-11-12 23:38:26,399 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_cam_entries [2021-11-12 23:38:26,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_cam_entries [2021-11-12 23:38:26,400 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2021-11-12 23:38:26,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2021-11-12 23:38:26,400 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-12 23:38:26,401 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-12 23:38:26,401 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2021-11-12 23:38:26,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2021-11-12 23:38:26,401 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2021-11-12 23:38:26,402 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2021-11-12 23:38:26,402 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-12 23:38:26,402 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-12 23:38:26,402 INFO L130 BoogieDeclarations]: Found specification of procedure skb_record_rx_queue [2021-11-12 23:38:26,402 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_record_rx_queue [2021-11-12 23:38:26,403 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-12 23:38:26,404 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-12 23:38:26,404 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-12 23:38:26,404 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-12 23:38:26,404 INFO L130 BoogieDeclarations]: Found specification of procedure ql_build_coredump_seg_header [2021-11-12 23:38:26,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_build_coredump_seg_header [2021-11-12 23:38:26,404 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2021-11-12 23:38:26,405 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2021-11-12 23:38:26,405 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2021-11-12 23:38:26,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2021-11-12 23:38:26,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-12 23:38:26,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-12 23:38:26,405 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-12 23:38:26,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-12 23:38:26,406 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-12 23:38:26,406 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-12 23:38:26,407 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2021-11-12 23:38:26,407 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2021-11-12 23:38:26,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-12 23:38:26,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-12 23:38:26,407 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-11-12 23:38:26,407 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-11-12 23:38:26,408 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-12 23:38:26,408 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-12 23:38:26,409 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2021-11-12 23:38:26,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2021-11-12 23:38:26,409 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2021-11-12 23:38:26,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2021-11-12 23:38:26,409 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-12 23:38:26,409 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-12 23:38:26,410 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-12 23:38:26,410 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-12 23:38:26,410 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_other_func_reg_rdy [2021-11-12 23:38:26,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_other_func_reg_rdy [2021-11-12 23:38:26,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-12 23:38:26,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-12 23:38:26,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:38:26,411 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2021-11-12 23:38:26,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2021-11-12 23:38:26,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-12 23:38:26,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-12 23:38:26,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-12 23:38:26,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-12 23:38:26,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-12 23:38:26,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-12 23:38:26,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-12 23:38:26,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-12 23:38:26,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-12 23:38:26,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-12 23:38:26,418 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-12 23:38:26,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-12 23:38:26,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:38:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-12 23:38:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2021-11-12 23:38:26,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2021-11-12 23:38:26,427 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2021-11-12 23:38:26,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2021-11-12 23:38:26,427 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-12 23:38:26,427 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-12 23:38:26,427 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_serdes_reg [2021-11-12 23:38:26,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_serdes_reg [2021-11-12 23:38:26,428 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2021-11-12 23:38:26,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2021-11-12 23:38:26,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hw_lock_of_ql_adapter [2021-11-12 23:38:26,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hw_lock_of_ql_adapter [2021-11-12 23:38:26,429 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-12 23:38:26,429 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-12 23:38:26,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-12 23:38:26,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-12 23:38:26,429 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2021-11-12 23:38:26,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2021-11-12 23:38:26,429 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-12 23:38:26,430 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-12 23:38:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_hw_lock_of_ql_adapter [2021-11-12 23:38:26,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_hw_lock_of_ql_adapter [2021-11-12 23:38:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:38:26,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:38:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2021-11-12 23:38:26,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2021-11-12 23:38:26,431 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2021-11-12 23:38:26,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2021-11-12 23:38:26,431 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-12 23:38:26,431 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-12 23:38:26,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 23:38:26,431 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2021-11-12 23:38:26,432 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2021-11-12 23:38:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-12 23:38:26,432 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-12 23:38:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-12 23:38:26,432 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-12 23:38:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-12 23:38:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cq_idx [2021-11-12 23:38:26,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cq_idx [2021-11-12 23:38:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-12 23:38:26,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-12 23:38:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2021-11-12 23:38:26,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2021-11-12 23:38:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2021-11-12 23:38:26,434 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2021-11-12 23:38:26,434 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-12 23:38:26,434 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-12 23:38:26,434 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-11-12 23:38:26,434 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-11-12 23:38:26,434 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-12 23:38:26,435 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-12 23:38:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-11-12 23:38:26,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-11-12 23:38:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-12 23:38:26,435 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-12 23:38:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-12 23:38:26,435 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-12 23:38:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_cq [2021-11-12 23:38:26,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_cq [2021-11-12 23:38:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-12 23:38:26,436 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-12 23:38:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:38:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-12 23:38:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-12 23:38:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_sbuf [2021-11-12 23:38:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_sbuf [2021-11-12 23:38:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure ql_realign_skb [2021-11-12 23:38:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_realign_skb [2021-11-12 23:38:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_routing_entries [2021-11-12 23:38:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_routing_entries [2021-11-12 23:38:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 23:38:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2021-11-12 23:38:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2021-11-12 23:38:26,440 INFO L130 BoogieDeclarations]: Found specification of procedure ql_process_mac_split_rx_intr [2021-11-12 23:38:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_process_mac_split_rx_intr [2021-11-12 23:38:26,440 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2021-11-12 23:38:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2021-11-12 23:38:26,440 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2021-11-12 23:38:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2021-11-12 23:38:26,440 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-12 23:38:26,441 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-12 23:38:26,441 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2021-11-12 23:38:26,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2021-11-12 23:38:26,441 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-12 23:38:26,441 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-12 23:38:26,441 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-12 23:38:26,441 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-12 23:38:26,442 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-12 23:38:26,442 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-12 23:38:26,442 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-11-12 23:38:26,442 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-11-12 23:38:26,442 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-12 23:38:26,442 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-12 23:38:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-12 23:38:26,443 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-12 23:38:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-11-12 23:38:26,443 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-11-12 23:38:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 23:38:26,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 23:38:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-12 23:38:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-12 23:38:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_get_port_cfg [2021-11-12 23:38:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_get_port_cfg [2021-11-12 23:38:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 23:38:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 23:38:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 23:38:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 23:38:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-11-12 23:38:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-11-12 23:38:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-12 23:38:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-12 23:38:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80 [2021-11-12 23:38:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80 [2021-11-12 23:38:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2021-11-12 23:38:26,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2021-11-12 23:38:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2021-11-12 23:38:26,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2021-11-12 23:38:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2021-11-12 23:38:26,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2021-11-12 23:38:26,451 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg64 [2021-11-12 23:38:26,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg64 [2021-11-12 23:38:26,451 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-12 23:38:26,451 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-12 23:38:26,452 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2021-11-12 23:38:26,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2021-11-12 23:38:26,452 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_reg [2021-11-12 23:38:26,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_reg [2021-11-12 23:38:26,452 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2021-11-12 23:38:26,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2021-11-12 23:38:26,453 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-12 23:38:26,453 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-12 23:38:26,453 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_led_cfg [2021-11-12 23:38:26,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_led_cfg [2021-11-12 23:38:26,454 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2021-11-12 23:38:26,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2021-11-12 23:38:26,454 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2021-11-12 23:38:26,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2021-11-12 23:38:26,454 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2021-11-12 23:38:26,454 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2021-11-12 23:38:26,455 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_ets_regs [2021-11-12 23:38:26,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_ets_regs [2021-11-12 23:38:26,455 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2021-11-12 23:38:26,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2021-11-12 23:38:26,455 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-12 23:38:26,455 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-12 23:38:26,455 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-12 23:38:26,456 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2021-11-12 23:38:26,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2021-11-12 23:38:26,456 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_intr_states [2021-11-12 23:38:26,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_intr_states [2021-11-12 23:38:26,456 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2021-11-12 23:38:26,456 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2021-11-12 23:38:26,456 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-12 23:38:26,457 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-12 23:38:26,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-12 23:38:26,457 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-12 23:38:26,457 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-12 23:38:26,457 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-12 23:38:26,457 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-11-12 23:38:26,457 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-11-12 23:38:26,458 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2021-11-12 23:38:26,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2021-11-12 23:38:26,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 23:38:26,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 23:38:26,458 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-12 23:38:26,458 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-12 23:38:26,459 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2021-11-12 23:38:26,459 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2021-11-12 23:38:26,459 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-12 23:38:26,459 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-12 23:38:26,459 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-12 23:38:26,459 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-12 23:38:26,459 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2021-11-12 23:38:26,460 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2021-11-12 23:38:26,460 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-12 23:38:26,460 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-12 23:38:26,460 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2021-11-12 23:38:26,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2021-11-12 23:38:26,460 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_resume [2021-11-12 23:38:26,460 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_resume [2021-11-12 23:38:26,461 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-12 23:38:26,461 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-12 23:38:26,461 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_shutdown [2021-11-12 23:38:26,461 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_shutdown [2021-11-12 23:38:26,461 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_mac_hdr_len [2021-11-12 23:38:26,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_mac_hdr_len [2021-11-12 23:38:26,461 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2021-11-12 23:38:26,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2021-11-12 23:38:26,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-12 23:38:26,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-12 23:38:26,462 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2021-11-12 23:38:26,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2021-11-12 23:38:26,462 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-12 23:38:26,462 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-12 23:38:26,463 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-12 23:38:26,463 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-12 23:38:26,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-12 23:38:26,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-12 23:38:26,463 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2021-11-12 23:38:26,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2021-11-12 23:38:26,463 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-12 23:38:26,464 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-12 23:38:26,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:38:26,464 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2021-11-12 23:38:26,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2021-11-12 23:38:26,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:38:26,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 23:38:26,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 23:38:26,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-12 23:38:26,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-12 23:38:26,465 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2021-11-12 23:38:26,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2021-11-12 23:38:26,465 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2021-11-12 23:38:26,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2021-11-12 23:38:26,465 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-12 23:38:26,466 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-12 23:38:26,466 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2021-11-12 23:38:26,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2021-11-12 23:38:26,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_qlge_driver_exit_16_2 [2021-11-12 23:38:26,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_qlge_driver_exit_16_2 [2021-11-12 23:38:26,466 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-11-12 23:38:26,466 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-11-12 23:38:26,467 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_serdes_reg [2021-11-12 23:38:26,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_serdes_reg [2021-11-12 23:38:26,467 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-12 23:38:26,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-12 23:38:26,467 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2021-11-12 23:38:26,467 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2021-11-12 23:38:26,468 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-12 23:38:26,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-12 23:38:26,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-12 23:38:26,468 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-12 23:38:26,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-12 23:38:26,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-12 23:38:26,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-12 23:38:26,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-12 23:38:26,469 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_probe [2021-11-12 23:38:26,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_probe [2021-11-12 23:38:26,469 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2021-11-12 23:38:26,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2021-11-12 23:38:26,469 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2021-11-12 23:38:26,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2021-11-12 23:38:26,470 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_port_cfg [2021-11-12 23:38:26,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_port_cfg [2021-11-12 23:38:26,470 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2021-11-12 23:38:26,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2021-11-12 23:38:26,470 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2021-11-12 23:38:26,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2021-11-12 23:38:26,470 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-12 23:38:26,471 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-12 23:38:26,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 23:38:26,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 23:38:26,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 23:38:26,471 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2021-11-12 23:38:26,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2021-11-12 23:38:26,471 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_fill_page_desc [2021-11-12 23:38:26,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_fill_page_desc [2021-11-12 23:38:26,472 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-12 23:38:26,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-12 23:38:26,472 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2021-11-12 23:38:26,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2021-11-12 23:38:26,476 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-12 23:38:26,476 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-12 23:38:26,476 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2021-11-12 23:38:26,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2021-11-12 23:38:26,477 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-12 23:38:26,477 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-12 23:38:26,477 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-12 23:38:26,477 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-12 23:38:26,477 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_tx_timeout [2021-11-12 23:38:26,477 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_tx_timeout [2021-11-12 23:38:26,477 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-11-12 23:38:26,478 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-11-12 23:38:26,478 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mpi_regs [2021-11-12 23:38:26,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mpi_regs [2021-11-12 23:38:26,478 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-12 23:38:26,478 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-12 23:38:26,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 23:38:26,478 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-12 23:38:26,479 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-12 23:38:26,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 23:38:26,479 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2021-11-12 23:38:26,479 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2021-11-12 23:38:26,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 23:38:26,479 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2021-11-12 23:38:26,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2021-11-12 23:38:26,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 23:38:26,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 23:38:26,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-12 23:38:26,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-12 23:38:26,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-12 23:38:26,480 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-12 23:38:26,480 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-12 23:38:26,481 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2021-11-12 23:38:26,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2021-11-12 23:38:26,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-12 23:38:26,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-12 23:38:26,481 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-12 23:38:26,481 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-12 23:38:26,482 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2021-11-12 23:38:26,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2021-11-12 23:38:26,482 INFO L130 BoogieDeclarations]: Found specification of procedure ql_soft_reset_mpi_risc [2021-11-12 23:38:26,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_soft_reset_mpi_risc [2021-11-12 23:38:26,482 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-12 23:38:26,482 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-12 23:38:26,482 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_remove [2021-11-12 23:38:26,483 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_remove [2021-11-12 23:38:26,483 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2021-11-12 23:38:26,483 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2021-11-12 23:38:26,483 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2021-11-12 23:38:26,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2021-11-12 23:38:26,483 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-12 23:38:26,483 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-12 23:38:26,484 INFO L130 BoogieDeclarations]: Found specification of procedure skb_fill_page_desc [2021-11-12 23:38:26,484 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_fill_page_desc [2021-11-12 23:38:26,484 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2021-11-12 23:38:26,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2021-11-12 23:38:26,484 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clean_inbound_rx_ring [2021-11-12 23:38:26,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clean_inbound_rx_ring [2021-11-12 23:38:26,484 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2021-11-12 23:38:26,485 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2021-11-12 23:38:26,485 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-12 23:38:26,485 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-12 23:38:26,485 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-12 23:38:26,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-12 23:38:26,485 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-12 23:38:26,485 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-12 23:38:26,486 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-12 23:38:26,486 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-12 23:38:26,486 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2021-11-12 23:38:26,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2021-11-12 23:38:26,486 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-12 23:38:26,486 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-12 23:38:26,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 23:38:26,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 23:38:26,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 23:38:26,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 23:38:26,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 23:38:26,487 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2021-11-12 23:38:26,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2021-11-12 23:38:26,487 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2021-11-12 23:38:26,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2021-11-12 23:38:26,488 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-12 23:38:26,488 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-12 23:38:26,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-12 23:38:26,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-12 23:38:26,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-12 23:38:26,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-12 23:38:26,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-12 23:38:26,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-12 23:38:26,489 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2021-11-12 23:38:26,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2021-11-12 23:38:26,489 INFO L130 BoogieDeclarations]: Found specification of procedure ql_check_lb_frame [2021-11-12 23:38:26,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_check_lb_frame [2021-11-12 23:38:26,489 INFO L130 BoogieDeclarations]: Found specification of procedure ql_categorize_rx_err [2021-11-12 23:38:26,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_categorize_rx_err [2021-11-12 23:38:26,490 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-12 23:38:26,490 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-12 23:38:26,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_79 [2021-11-12 23:38:26,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_79 [2021-11-12 23:38:26,490 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2021-11-12 23:38:26,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2021-11-12 23:38:26,491 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-12 23:38:26,491 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-12 23:38:26,491 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_sh_reg [2021-11-12 23:38:26,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_sh_reg [2021-11-12 23:38:26,491 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-12 23:38:26,491 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-12 23:38:26,491 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2021-11-12 23:38:26,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2021-11-12 23:38:26,492 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-12 23:38:26,492 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-12 23:38:26,492 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-12 23:38:26,492 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-12 23:38:26,492 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-12 23:38:26,492 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-12 23:38:26,493 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2021-11-12 23:38:26,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2021-11-12 23:38:26,493 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-12 23:38:26,493 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-12 23:38:26,493 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2021-11-12 23:38:26,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2021-11-12 23:38:26,493 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-12 23:38:26,494 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-12 23:38:26,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-12 23:38:26,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-12 23:38:26,494 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mac_addr_reg [2021-11-12 23:38:26,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mac_addr_reg [2021-11-12 23:38:26,494 INFO L130 BoogieDeclarations]: Found specification of procedure ql_own_firmware [2021-11-12 23:38:26,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_own_firmware [2021-11-12 23:38:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-12 23:38:26,495 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-12 23:38:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_lchunk [2021-11-12 23:38:26,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_lchunk [2021-11-12 23:38:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-12 23:38:26,495 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-12 23:38:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2021-11-12 23:38:26,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2021-11-12 23:38:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-12 23:38:26,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-12 23:38:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2021-11-12 23:38:26,496 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2021-11-12 23:38:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2021-11-12 23:38:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2021-11-12 23:38:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure ql_core_dump [2021-11-12 23:38:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_core_dump [2021-11-12 23:38:28,420 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-12 23:42:20,379 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-12 23:42:35,246 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:42:35,247 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-12 23:42:35,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:42:35 BoogieIcfgContainer [2021-11-12 23:42:35,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:42:35,259 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:42:35,259 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:42:35,262 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:42:35,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:38:13" (1/3) ... [2021-11-12 23:42:35,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cbac6d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:42:35, skipping insertion in model container [2021-11-12 23:42:35,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:38:24" (2/3) ... [2021-11-12 23:42:35,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cbac6d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:42:35, skipping insertion in model container [2021-11-12 23:42:35,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:42:35" (3/3) ... [2021-11-12 23:42:35,267 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2021-11-12 23:42:35,272 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:42:35,272 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-12 23:42:35,361 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:42:35,366 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 23:42:35,367 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-12 23:42:35,483 INFO L276 IsEmpty]: Start isEmpty. Operand has 5187 states, 3667 states have (on average 1.3397872920643579) internal successors, (4913), 3731 states have internal predecessors, (4913), 1275 states have call successors, (1275), 243 states have call predecessors, (1275), 242 states have return successors, (1268), 1252 states have call predecessors, (1268), 1268 states have call successors, (1268) [2021-11-12 23:42:35,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-11-12 23:42:35,511 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:42:35,512 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:42:35,513 INFO L402 AbstractCegarLoop]: === Iteration 1 === 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 23:42:35,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:42:35,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1253791980, now seen corresponding path program 1 times [2021-11-12 23:42:35,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:42:35,561 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [806858355] [2021-11-12 23:42:35,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:42:35,563 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:42:35,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:42:35,566 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:42:35,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:43:05,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:43:06,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 5662 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:43:06,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:43:07,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2021-11-12 23:43:07,132 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:43:08,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2021-11-12 23:43:08,092 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:43:08,092 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [806858355] [2021-11-12 23:43:08,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [806858355] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:43:08,093 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:43:08,093 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:43:08,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696850882] [2021-11-12 23:43:08,095 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:43:08,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:43:08,100 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:43:08,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:43:08,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:43:08,138 INFO L87 Difference]: Start difference. First operand has 5187 states, 3667 states have (on average 1.3397872920643579) internal successors, (4913), 3731 states have internal predecessors, (4913), 1275 states have call successors, (1275), 243 states have call predecessors, (1275), 242 states have return successors, (1268), 1252 states have call predecessors, (1268), 1268 states have call successors, (1268) 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, (26), 3 states have call predecessors, (26), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2021-11-12 23:43:11,018 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:43:50,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:43:50,916 INFO L93 Difference]: Finished difference Result 20297 states and 29606 transitions. [2021-11-12 23:43:50,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:43:50,922 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, (26), 3 states have call predecessors, (26), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 225 [2021-11-12 23:43:50,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:43:51,089 INFO L225 Difference]: With dead ends: 20297 [2021-11-12 23:43:51,089 INFO L226 Difference]: Without dead ends: 15121 [2021-11-12 23:43:51,256 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 446 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 23:43:51,265 INFO L933 BasicCegarLoop]: 9928 mSDtfsCounter, 19147 mSDsluCounter, 12089 mSDsCounter, 0 mSdLazyCounter, 2497 mSolverCounterSat, 2480 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39193.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 19147 SdHoareTripleChecker+Valid, 22017 SdHoareTripleChecker+Invalid, 4978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 119.91ms SdHoareTripleChecker+Time, 2480 IncrementalHoareTripleChecker+Valid, 2497 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41679.67ms IncrementalHoareTripleChecker+Time [2021-11-12 23:43:51,266 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19147 Valid, 22017 Invalid, 4978 Unknown, 0 Unchecked, 119.91ms Time], IncrementalHoareTripleChecker [2480 Valid, 2497 Invalid, 1 Unknown, 0 Unchecked, 41679.67ms Time] [2021-11-12 23:43:51,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15121 states. [2021-11-12 23:43:52,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15121 to 15059. [2021-11-12 23:43:52,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15059 states, 10685 states have (on average 1.335517080018718) internal successors, (14270), 10885 states have internal predecessors, (14270), 3660 states have call successors, (3660), 714 states have call predecessors, (3660), 711 states have return successors, (3736), 3594 states have call predecessors, (3736), 3656 states have call successors, (3736) [2021-11-12 23:43:52,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15059 states to 15059 states and 21666 transitions. [2021-11-12 23:43:52,256 INFO L78 Accepts]: Start accepts. Automaton has 15059 states and 21666 transitions. Word has length 225 [2021-11-12 23:43:52,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:43:52,261 INFO L470 AbstractCegarLoop]: Abstraction has 15059 states and 21666 transitions. [2021-11-12 23:43:52,262 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, (26), 3 states have call predecessors, (26), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2021-11-12 23:43:52,262 INFO L276 IsEmpty]: Start isEmpty. Operand 15059 states and 21666 transitions. [2021-11-12 23:43:52,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-11-12 23:43:52,271 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:43:52,272 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:43:52,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:43:52,473 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:43:52,473 INFO L402 AbstractCegarLoop]: === Iteration 2 === 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 23:43:52,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:43:52,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1015267822, now seen corresponding path program 1 times [2021-11-12 23:43:52,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:43:52,494 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [54283014] [2021-11-12 23:43:52,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:43:52,495 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:43:52,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:43:52,496 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:43:52,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:44:22,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:44:22,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 5637 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:44:22,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:44:23,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2021-11-12 23:44:23,677 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:44:24,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2021-11-12 23:44:24,660 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:44:24,660 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [54283014] [2021-11-12 23:44:24,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [54283014] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:44:24,661 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:44:24,661 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:44:24,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46336754] [2021-11-12 23:44:24,662 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:44:24,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:44:24,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:44:24,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:44:24,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:44:24,664 INFO L87 Difference]: Start difference. First operand 15059 states and 21666 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 4 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2021-11-12 23:44:27,507 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:45:07,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:45:07,388 INFO L93 Difference]: Finished difference Result 59755 states and 85998 transitions. [2021-11-12 23:45:07,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:45:07,389 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 4 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 226 [2021-11-12 23:45:07,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:45:07,876 INFO L225 Difference]: With dead ends: 59755 [2021-11-12 23:45:07,876 INFO L226 Difference]: Without dead ends: 44737 [2021-11-12 23:45:07,966 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 450 GetRequests, 448 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 23:45:07,967 INFO L933 BasicCegarLoop]: 9846 mSDtfsCounter, 19303 mSDsluCounter, 12035 mSDsCounter, 0 mSdLazyCounter, 2552 mSolverCounterSat, 2456 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39119.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 19303 SdHoareTripleChecker+Valid, 21881 SdHoareTripleChecker+Invalid, 5009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 68.81ms SdHoareTripleChecker+Time, 2456 IncrementalHoareTripleChecker+Valid, 2552 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41390.92ms IncrementalHoareTripleChecker+Time [2021-11-12 23:45:07,968 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19303 Valid, 21881 Invalid, 5009 Unknown, 0 Unchecked, 68.81ms Time], IncrementalHoareTripleChecker [2456 Valid, 2552 Invalid, 1 Unknown, 0 Unchecked, 41390.92ms Time] [2021-11-12 23:45:08,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44737 states. [2021-11-12 23:45:09,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44737 to 44707. [2021-11-12 23:45:10,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44707 states, 31775 states have (on average 1.3369944925255703) internal successors, (42483), 32353 states have internal predecessors, (42483), 10804 states have call successors, (10804), 2132 states have call predecessors, (10804), 2125 states have return successors, (11040), 10626 states have call predecessors, (11040), 10800 states have call successors, (11040) [2021-11-12 23:45:10,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44707 states to 44707 states and 64327 transitions. [2021-11-12 23:45:10,242 INFO L78 Accepts]: Start accepts. Automaton has 44707 states and 64327 transitions. Word has length 226 [2021-11-12 23:45:10,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:45:10,245 INFO L470 AbstractCegarLoop]: Abstraction has 44707 states and 64327 transitions. [2021-11-12 23:45:10,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 4 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2021-11-12 23:45:10,246 INFO L276 IsEmpty]: Start isEmpty. Operand 44707 states and 64327 transitions. [2021-11-12 23:45:10,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-11-12 23:45:10,253 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:45:10,254 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:45:10,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:45:10,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:45:10,476 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 23:45:10,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:45:10,477 INFO L85 PathProgramCache]: Analyzing trace with hash -516865331, now seen corresponding path program 1 times [2021-11-12 23:45:10,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:45:10,496 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [955403297] [2021-11-12 23:45:10,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:45:10,496 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:45:10,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:45:10,497 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:45:10,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:45:40,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:45:41,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 5737 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:45:41,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:45:42,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1435 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1381 trivial. 0 not checked. [2021-11-12 23:45:42,107 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:45:42,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1435 trivial. 0 not checked. [2021-11-12 23:45:42,934 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:45:42,934 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [955403297] [2021-11-12 23:45:42,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [955403297] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:45:42,934 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:45:42,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-12 23:45:42,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055658061] [2021-11-12 23:45:42,935 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:45:42,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 23:45:42,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:45:42,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 23:45:42,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 23:45:42,937 INFO L87 Difference]: Start difference. First operand 44707 states and 64327 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-11-12 23:45:45,768 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:45:48,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:45:48,874 INFO L93 Difference]: Finished difference Result 115937 states and 166100 transitions. [2021-11-12 23:45:48,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 23:45:48,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 249 [2021-11-12 23:45:48,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:45:49,442 INFO L225 Difference]: With dead ends: 115937 [2021-11-12 23:45:49,442 INFO L226 Difference]: Without dead ends: 71271 [2021-11-12 23:45:49,615 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 496 GetRequests, 495 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 23:45:49,618 INFO L933 BasicCegarLoop]: 8222 mSDtfsCounter, 4347 mSDsluCounter, 7258 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3963.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4347 SdHoareTripleChecker+Valid, 15480 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.63ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4131.07ms IncrementalHoareTripleChecker+Time [2021-11-12 23:45:49,619 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4347 Valid, 15480 Invalid, 110 Unknown, 0 Unchecked, 17.63ms Time], IncrementalHoareTripleChecker [7 Valid, 102 Invalid, 1 Unknown, 0 Unchecked, 4131.07ms Time] [2021-11-12 23:45:49,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71271 states. [2021-11-12 23:45:52,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71271 to 71224. [2021-11-12 23:45:52,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71224 states, 50579 states have (on average 1.3305126633583109) internal successors, (67296), 51535 states have internal predecessors, (67296), 16990 states have call successors, (16990), 3674 states have call predecessors, (16990), 3652 states have return successors, (17442), 16680 states have call predecessors, (17442), 16986 states have call successors, (17442) [2021-11-12 23:45:53,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71224 states to 71224 states and 101728 transitions. [2021-11-12 23:45:53,143 INFO L78 Accepts]: Start accepts. Automaton has 71224 states and 101728 transitions. Word has length 249 [2021-11-12 23:45:53,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:45:53,144 INFO L470 AbstractCegarLoop]: Abstraction has 71224 states and 101728 transitions. [2021-11-12 23:45:53,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-11-12 23:45:53,145 INFO L276 IsEmpty]: Start isEmpty. Operand 71224 states and 101728 transitions. [2021-11-12 23:45:53,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-11-12 23:45:53,159 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:45:53,159 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 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, 1, 1, 1, 1, 1, 1] [2021-11-12 23:45:53,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:45:53,380 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:45:53,380 INFO L402 AbstractCegarLoop]: === Iteration 4 === 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 23:45:53,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:45:53,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1730761974, now seen corresponding path program 1 times [2021-11-12 23:45:53,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:45:53,402 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [347022605] [2021-11-12 23:45:53,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:45:53,402 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:45:53,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:45:53,403 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:45:53,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:46:23,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:46:23,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 5762 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:46:23,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:46:30,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2021-11-12 23:46:30,540 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:46:33,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2021-11-12 23:46:33,246 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:46:33,246 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [347022605] [2021-11-12 23:46:33,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [347022605] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:46:33,246 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:46:33,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 7 [2021-11-12 23:46:33,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580078545] [2021-11-12 23:46:33,247 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:46:33,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:46:33,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:46:33,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:46:33,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:46:33,249 INFO L87 Difference]: Start difference. First operand 71224 states and 101728 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (57), 4 states have call predecessors, (57), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-12 23:46:36,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:46:36,333 INFO L93 Difference]: Finished difference Result 71230 states and 101733 transitions. [2021-11-12 23:46:36,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:46:36,334 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (57), 4 states have call predecessors, (57), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 282 [2021-11-12 23:46:36,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:46:36,707 INFO L225 Difference]: With dead ends: 71230 [2021-11-12 23:46:36,708 INFO L226 Difference]: Without dead ends: 71228 [2021-11-12 23:46:36,727 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 565 GetRequests, 557 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:46:36,727 INFO L933 BasicCegarLoop]: 7373 mSDtfsCounter, 7255 mSDsluCounter, 29459 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 576.26ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7270 SdHoareTripleChecker+Valid, 36832 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 88.05ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 588.22ms IncrementalHoareTripleChecker+Time [2021-11-12 23:46:36,728 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7270 Valid, 36832 Invalid, 45 Unknown, 0 Unchecked, 88.05ms Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 588.22ms Time] [2021-11-12 23:46:36,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71228 states. [2021-11-12 23:46:39,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71228 to 71228. [2021-11-12 23:46:39,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71228 states, 50582 states have (on average 1.3304930607726069) internal successors, (67299), 51538 states have internal predecessors, (67299), 16990 states have call successors, (16990), 3675 states have call predecessors, (16990), 3653 states have return successors, (17442), 16680 states have call predecessors, (17442), 16986 states have call successors, (17442) [2021-11-12 23:46:39,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71228 states to 71228 states and 101731 transitions. [2021-11-12 23:46:39,756 INFO L78 Accepts]: Start accepts. Automaton has 71228 states and 101731 transitions. Word has length 282 [2021-11-12 23:46:39,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:46:39,757 INFO L470 AbstractCegarLoop]: Abstraction has 71228 states and 101731 transitions. [2021-11-12 23:46:39,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (57), 4 states have call predecessors, (57), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2021-11-12 23:46:39,758 INFO L276 IsEmpty]: Start isEmpty. Operand 71228 states and 101731 transitions. [2021-11-12 23:46:39,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-11-12 23:46:39,772 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:46:39,773 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:46:39,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:46:39,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:46:39,992 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 23:46:39,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:46:39,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1504464859, now seen corresponding path program 1 times [2021-11-12 23:46:40,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:46:40,011 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [50562174] [2021-11-12 23:46:40,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:46:40,011 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:46:40,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:46:40,012 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:46:40,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:47:09,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:47:09,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 5769 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:47:09,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:47:17,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2021-11-12 23:47:17,255 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:47:19,943 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2021-11-12 23:47:19,943 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:47:19,944 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [50562174] [2021-11-12 23:47:19,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [50562174] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:47:19,944 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:47:19,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2021-11-12 23:47:19,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048957264] [2021-11-12 23:47:19,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:47:19,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:47:19,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:47:19,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:47:19,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:47:19,946 INFO L87 Difference]: Start difference. First operand 71228 states and 101731 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-12 23:47:22,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:47:22,376 INFO L93 Difference]: Finished difference Result 71234 states and 101736 transitions. [2021-11-12 23:47:22,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:47:22,376 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 287 [2021-11-12 23:47:22,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:47:22,650 INFO L225 Difference]: With dead ends: 71234 [2021-11-12 23:47:22,651 INFO L226 Difference]: Without dead ends: 71232 [2021-11-12 23:47:22,683 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 575 GetRequests, 567 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:47:22,684 INFO L933 BasicCegarLoop]: 7376 mSDtfsCounter, 7291 mSDsluCounter, 14729 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 269.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7305 SdHoareTripleChecker+Valid, 22105 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 27.16ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 274.65ms IncrementalHoareTripleChecker+Time [2021-11-12 23:47:22,685 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7305 Valid, 22105 Invalid, 24 Unknown, 0 Unchecked, 27.16ms Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 274.65ms Time] [2021-11-12 23:47:22,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71232 states. [2021-11-12 23:47:25,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71232 to 71232. [2021-11-12 23:47:25,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71232 states, 50585 states have (on average 1.3304734605120094) internal successors, (67302), 51541 states have internal predecessors, (67302), 16990 states have call successors, (16990), 3676 states have call predecessors, (16990), 3654 states have return successors, (17442), 16680 states have call predecessors, (17442), 16986 states have call successors, (17442) [2021-11-12 23:47:25,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71232 states to 71232 states and 101734 transitions. [2021-11-12 23:47:25,920 INFO L78 Accepts]: Start accepts. Automaton has 71232 states and 101734 transitions. Word has length 287 [2021-11-12 23:47:25,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:47:25,921 INFO L470 AbstractCegarLoop]: Abstraction has 71232 states and 101734 transitions. [2021-11-12 23:47:25,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-12 23:47:25,922 INFO L276 IsEmpty]: Start isEmpty. Operand 71232 states and 101734 transitions. [2021-11-12 23:47:25,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-11-12 23:47:25,938 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:47:25,939 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:47:26,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-12 23:47:26,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:47:26,152 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 23:47:26,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:47:26,153 INFO L85 PathProgramCache]: Analyzing trace with hash -891784234, now seen corresponding path program 1 times [2021-11-12 23:47:26,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:47:26,165 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2048504700] [2021-11-12 23:47:26,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:47:26,165 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:47:26,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:47:26,166 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:47:26,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-12 23:47:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:47:56,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 5776 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:47:56,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:48:03,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1649 trivial. 0 not checked. [2021-11-12 23:48:03,816 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:48:06,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1649 trivial. 0 not checked. [2021-11-12 23:48:06,785 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:48:06,785 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2048504700] [2021-11-12 23:48:06,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2048504700] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:48:06,785 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:48:06,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2021-11-12 23:48:06,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106637492] [2021-11-12 23:48:06,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:48:06,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:48:06,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:48:06,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:48:06,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:48:06,787 INFO L87 Difference]: Start difference. First operand 71232 states and 101734 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-12 23:48:09,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:48:09,609 INFO L93 Difference]: Finished difference Result 71238 states and 101739 transitions. [2021-11-12 23:48:09,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:48:09,609 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 292 [2021-11-12 23:48:09,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:48:09,833 INFO L225 Difference]: With dead ends: 71238 [2021-11-12 23:48:09,833 INFO L226 Difference]: Without dead ends: 71236 [2021-11-12 23:48:09,856 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 585 GetRequests, 577 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:48:09,856 INFO L933 BasicCegarLoop]: 7376 mSDtfsCounter, 7291 mSDsluCounter, 14729 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 305.54ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7304 SdHoareTripleChecker+Valid, 22105 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 28.52ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 311.01ms IncrementalHoareTripleChecker+Time [2021-11-12 23:48:09,857 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7304 Valid, 22105 Invalid, 24 Unknown, 0 Unchecked, 28.52ms Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 311.01ms Time] [2021-11-12 23:48:09,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71236 states. [2021-11-12 23:48:12,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71236 to 71236. [2021-11-12 23:48:12,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71236 states, 50588 states have (on average 1.330453862576105) internal successors, (67305), 51544 states have internal predecessors, (67305), 16990 states have call successors, (16990), 3677 states have call predecessors, (16990), 3655 states have return successors, (17442), 16680 states have call predecessors, (17442), 16986 states have call successors, (17442) [2021-11-12 23:48:12,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71236 states to 71236 states and 101737 transitions. [2021-11-12 23:48:12,873 INFO L78 Accepts]: Start accepts. Automaton has 71236 states and 101737 transitions. Word has length 292 [2021-11-12 23:48:12,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:48:12,874 INFO L470 AbstractCegarLoop]: Abstraction has 71236 states and 101737 transitions. [2021-11-12 23:48:12,874 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-12 23:48:12,874 INFO L276 IsEmpty]: Start isEmpty. Operand 71236 states and 101737 transitions. [2021-11-12 23:48:13,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-11-12 23:48:13,155 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:48:13,156 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 5, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:48:13,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-12 23:48:13,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:48:13,372 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 23:48:13,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:48:13,373 INFO L85 PathProgramCache]: Analyzing trace with hash 85846014, now seen corresponding path program 1 times [2021-11-12 23:48:13,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:48:13,394 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1184987051] [2021-11-12 23:48:13,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:48:13,394 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:48:13,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:48:13,395 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:48:13,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88389b26-bb19-4398-a979-eea4f5931283/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-12 23:48:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:48:44,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 5830 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:48:44,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:48:45,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1674 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 1582 trivial. 0 not checked. [2021-11-12 23:48:45,243 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:48:46,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1674 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1663 trivial. 0 not checked. [2021-11-12 23:48:46,083 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:48:46,083 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1184987051] [2021-11-12 23:48:46,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1184987051] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:48:46,083 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:48:46,083 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:48:46,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181299148] [2021-11-12 23:48:46,084 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:48:46,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:48:46,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:48:46,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:48:46,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:48:46,085 INFO L87 Difference]: Start difference. First operand 71236 states and 101737 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 4 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2021-11-12 23:48:48,965 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.87s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:49:29,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:49:29,945 INFO L93 Difference]: Finished difference Result 166183 states and 237294 transitions. [2021-11-12 23:49:29,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:49:29,946 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 4 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 308 [2021-11-12 23:49:29,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:49:30,426 INFO L225 Difference]: With dead ends: 166183 [2021-11-12 23:49:30,426 INFO L226 Difference]: Without dead ends: 118524 [2021-11-12 23:49:30,609 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 614 GetRequests, 612 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 23:49:30,610 INFO L933 BasicCegarLoop]: 15801 mSDtfsCounter, 14487 mSDsluCounter, 13410 mSDsCounter, 0 mSdLazyCounter, 2525 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37560.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 14487 SdHoareTripleChecker+Valid, 29211 SdHoareTripleChecker+Invalid, 2537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 64.35ms SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2525 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39119.05ms IncrementalHoareTripleChecker+Time [2021-11-12 23:49:30,611 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14487 Valid, 29211 Invalid, 2537 Unknown, 0 Unchecked, 64.35ms Time], IncrementalHoareTripleChecker [11 Valid, 2525 Invalid, 1 Unknown, 0 Unchecked, 39119.05ms Time] [2021-11-12 23:49:30,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118524 states. [2021-11-12 23:49:35,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118524 to 118482. [2021-11-12 23:49:35,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118482 states, 84158 states have (on average 1.3302716319304166) internal successors, (111953), 85738 states have internal predecessors, (111953), 28230 states have call successors, (28230), 6127 states have call predecessors, (28230), 6091 states have return successors, (28986), 27726 states have call predecessors, (28986), 28226 states have call successors, (28986)