./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8 --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 16a9a34d40babef5c6ef3662e22f59267f6e49b89d364b5566e6d47ef433b5da --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:13:22,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:13:22,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:13:22,635 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:13:22,636 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:13:22,637 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:13:22,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:13:22,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:13:22,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:13:22,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:13:22,647 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:13:22,649 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:13:22,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:13:22,651 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:13:22,653 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:13:22,655 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:13:22,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:13:22,658 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:13:22,661 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:13:22,664 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:13:22,666 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:13:22,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:13:22,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:13:22,675 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:13:22,691 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:13:22,691 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:13:22,692 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:13:22,693 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:13:22,694 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:13:22,695 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:13:22,696 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:13:22,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:13:22,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:13:22,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:13:22,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:13:22,705 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:13:22,706 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:13:22,707 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:13:22,707 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:13:22,708 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:13:22,709 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:13:22,710 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 02:13:22,748 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:13:22,749 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:13:22,750 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:13:22,750 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:13:22,751 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:13:22,751 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:13:22,751 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 02:13:22,751 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:13:22,758 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:13:22,759 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 02:13:22,760 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 02:13:22,760 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:13:22,760 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 02:13:22,761 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 02:13:22,761 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 02:13:22,762 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:13:22,762 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 02:13:22,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:13:22,762 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:13:22,763 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:13:22,763 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:13:22,763 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:13:22,763 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:13:22,764 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:13:22,764 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:13:22,764 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:13:22,764 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:13:22,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:13:22,765 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:13:22,766 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:13:22,767 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:13:22,767 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 02:13:22,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 02:13:22,768 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:13:22,768 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:13:22,768 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:13:22,768 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_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16a9a34d40babef5c6ef3662e22f59267f6e49b89d364b5566e6d47ef433b5da [2021-11-07 02:13:23,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:13:23,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:13:23,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:13:23,086 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:13:23,086 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:13:23,088 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2021-11-07 02:13:23,159 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/data/f175addc8/f7a95e5aad644ccd8e0ad56748ec8b1a/FLAG655fe92da [2021-11-07 02:13:24,225 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:13:24,225 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2021-11-07 02:13:24,326 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/data/f175addc8/f7a95e5aad644ccd8e0ad56748ec8b1a/FLAG655fe92da [2021-11-07 02:13:24,521 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/data/f175addc8/f7a95e5aad644ccd8e0ad56748ec8b1a [2021-11-07 02:13:24,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:13:24,526 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:13:24,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:13:24,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:13:24,532 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:13:24,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:13:24" (1/1) ... [2021-11-07 02:13:24,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@873ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:13:24, skipping insertion in model container [2021-11-07 02:13:24,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:13:24" (1/1) ... [2021-11-07 02:13:24,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:13:24,751 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:13:26,364 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:26,430 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:26,717 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:26,724 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:27,164 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:27,308 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:27,350 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:27,351 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:27,352 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:27,352 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:27,391 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:27,391 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:27,393 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:27,400 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:28,156 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:28,157 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:28,167 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:28,167 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:28,171 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:28,172 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:28,180 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:28,181 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:28,191 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:28,193 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:28,204 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:28,214 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:28,216 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:28,217 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:28,219 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:28,299 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:28,300 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:28,309 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 02:13:29,397 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_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463372,463385] [2021-11-07 02:13:29,408 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463517,463530] [2021-11-07 02:13:29,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:13:29,479 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) [2021-11-07 02:13:29,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@58c60eec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:13:29, skipping insertion in model container [2021-11-07 02:13:29,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:13:29,480 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 02:13:29,483 INFO L168 Benchmark]: Toolchain (without parser) took 4954.83 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 56.4 MB in the beginning and 50.4 MB in the end (delta: 6.0 MB). Peak memory consumption was 51.1 MB. Max. memory is 16.1 GB. [2021-11-07 02:13:29,484 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 94.4 MB. Free memory is still 70.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:13:29,485 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4952.00 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 56.4 MB in the beginning and 50.4 MB in the end (delta: 6.0 MB). Peak memory consumption was 51.1 MB. Max. memory is 16.1 GB. [2021-11-07 02:13:29,488 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 94.4 MB. Free memory is still 70.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4952.00 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 56.4 MB in the beginning and 50.4 MB in the end (delta: 6.0 MB). Peak memory consumption was 51.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7793]: 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_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8 --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 16a9a34d40babef5c6ef3662e22f59267f6e49b89d364b5566e6d47ef433b5da --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:13:31,971 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:13:31,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:13:32,038 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:13:32,039 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:13:32,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:13:32,047 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:13:32,053 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:13:32,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:13:32,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:13:32,072 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:13:32,074 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:13:32,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:13:32,078 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:13:32,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:13:32,089 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:13:32,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:13:32,093 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:13:32,095 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:13:32,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:13:32,106 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:13:32,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:13:32,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:13:32,114 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:13:32,121 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:13:32,121 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:13:32,122 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:13:32,124 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:13:32,125 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:13:32,126 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:13:32,127 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:13:32,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:13:32,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:13:32,132 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:13:32,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:13:32,134 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:13:32,135 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:13:32,135 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:13:32,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:13:32,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:13:32,139 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:13:32,145 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 02:13:32,193 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:13:32,194 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:13:32,195 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:13:32,196 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:13:32,196 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:13:32,196 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:13:32,196 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:13:32,197 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:13:32,197 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:13:32,199 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:13:32,200 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:13:32,200 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:13:32,200 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:13:32,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:13:32,201 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:13:32,201 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 02:13:32,201 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 02:13:32,202 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:13:32,202 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:13:32,202 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:13:32,203 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:13:32,203 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 02:13:32,203 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:13:32,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:13:32,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:13:32,204 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:13:32,204 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:13:32,205 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 02:13:32,205 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 02:13:32,205 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:13:32,205 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:13:32,206 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:13:32,206 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_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16a9a34d40babef5c6ef3662e22f59267f6e49b89d364b5566e6d47ef433b5da [2021-11-07 02:13:32,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:13:32,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:13:32,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:13:32,717 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:13:32,718 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:13:32,719 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2021-11-07 02:13:32,806 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/data/83df8eb9c/fab9abda431a436e8673062ef2edba42/FLAG0552b6fed [2021-11-07 02:13:34,095 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:13:34,098 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2021-11-07 02:13:34,185 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/data/83df8eb9c/fab9abda431a436e8673062ef2edba42/FLAG0552b6fed [2021-11-07 02:13:34,307 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/data/83df8eb9c/fab9abda431a436e8673062ef2edba42 [2021-11-07 02:13:34,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:13:34,313 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:13:34,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:13:34,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:13:34,319 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:13:34,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:13:34" (1/1) ... [2021-11-07 02:13:34,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ce8c5e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:13:34, skipping insertion in model container [2021-11-07 02:13:34,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:13:34" (1/1) ... [2021-11-07 02:13:34,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:13:34,563 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:13:39,121 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463372,463385] [2021-11-07 02:13:39,127 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_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463517,463530] [2021-11-07 02:13:39,155 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:13:39,205 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 02:13:39,332 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:13:39,803 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_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463372,463385] [2021-11-07 02:13:39,804 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_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463517,463530] [2021-11-07 02:13:39,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:13:39,830 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 02:13:40,435 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_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463372,463385] [2021-11-07 02:13:40,436 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_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463517,463530] [2021-11-07 02:13:40,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:13:40,758 INFO L208 MainTranslator]: Completed translation [2021-11-07 02:13:40,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:13:40 WrapperNode [2021-11-07 02:13:40,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:13:40,760 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 02:13:40,760 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 02:13:40,761 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 02:13:40,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:13:40" (1/1) ... [2021-11-07 02:13:40,920 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:13:40" (1/1) ... [2021-11-07 02:13:41,717 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 02:13:41,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 02:13:41,719 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 02:13:41,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 02:13:41,730 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:13:40" (1/1) ... [2021-11-07 02:13:41,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:13:40" (1/1) ... [2021-11-07 02:13:41,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:13:40" (1/1) ... [2021-11-07 02:13:41,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:13:40" (1/1) ... [2021-11-07 02:13:42,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:13:40" (1/1) ... [2021-11-07 02:13:42,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:13:40" (1/1) ... [2021-11-07 02:13:42,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:13:40" (1/1) ... [2021-11-07 02:13:42,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 02:13:42,935 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 02:13:42,937 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 02:13:42,938 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 02:13:42,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:13:40" (1/1) ... [2021-11-07 02:13:42,946 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:13:42,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:13:43,004 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 02:13:43,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 02:13:43,070 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-07 02:13:43,071 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-07 02:13:43,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 02:13:43,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 02:13:43,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 02:13:43,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-07 02:13:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_release [2021-11-07 02:13:43,072 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_release [2021-11-07 02:13:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 02:13:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_commit_done [2021-11-07 02:13:43,073 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_commit_done [2021-11-07 02:13:43,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 02:13:43,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-07 02:13:43,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-07 02:13:43,073 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-07 02:13:43,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-07 02:13:43,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-07 02:13:43,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-07 02:13:43,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 02:13:43,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 02:13:43,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 02:13:43,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 02:13:43,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 02:13:43,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 02:13:43,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-07 02:13:43,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 02:13:43,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 02:13:43,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 02:13:43,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 02:13:43,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 02:13:43,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-07 02:13:43,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 02:13:43,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 02:13:43,078 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_call_done [2021-11-07 02:13:43,078 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_call_done [2021-11-07 02:13:43,079 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_release [2021-11-07 02:13:43,079 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_release [2021-11-07 02:13:43,079 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_call_done [2021-11-07 02:13:43,079 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_call_done [2021-11-07 02:13:43,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-07 02:13:43,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-07 02:13:43,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-07 02:13:43,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-07 02:13:43,080 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2021-11-07 02:13:43,081 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_release [2021-11-07 02:13:43,081 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_release [2021-11-07 02:13:43,081 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-07 02:13:43,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-07 02:15:20,041 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0bv32; [2021-11-07 02:15:20,042 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0bv32; [2021-11-07 02:15:20,042 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#3: ldv_switch_0_#res := 0bv32; [2021-11-07 02:15:20,043 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0bv32; [2021-11-07 02:15:20,043 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-07 02:15:20,044 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0bv32; [2021-11-07 02:15:20,117 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 02:15:20,118 INFO L299 CfgBuilder]: Removed 5315 assume(true) statements. [2021-11-07 02:15:20,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:15:20 BoogieIcfgContainer [2021-11-07 02:15:20,126 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 02:15:20,128 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 02:15:20,129 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 02:15:20,132 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 02:15:20,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:13:34" (1/3) ... [2021-11-07 02:15:20,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24bdc706 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:15:20, skipping insertion in model container [2021-11-07 02:15:20,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:13:40" (2/3) ... [2021-11-07 02:15:20,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24bdc706 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:15:20, skipping insertion in model container [2021-11-07 02:15:20,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:15:20" (3/3) ... [2021-11-07 02:15:20,136 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2021-11-07 02:15:20,142 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 02:15:20,142 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2021-11-07 02:15:20,221 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 02:15:20,228 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 [2021-11-07 02:15:20,228 INFO L340 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2021-11-07 02:15:20,329 INFO L276 IsEmpty]: Start isEmpty. Operand has 5289 states, 5223 states have (on average 1.389048439594103) internal successors, (7255), 5264 states have internal predecessors, (7255), 22 states have call successors, (22), 8 states have call predecessors, (22), 8 states have return successors, (22), 18 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-07 02:15:20,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-07 02:15:20,352 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:15:20,353 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:15:20,354 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-07 02:15:20,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:15:20,360 INFO L85 PathProgramCache]: Analyzing trace with hash 549224019, now seen corresponding path program 1 times [2021-11-07 02:15:20,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:15:20,396 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1639127137] [2021-11-07 02:15:20,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:15:20,397 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:15:20,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:15:20,403 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:15:20,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 02:15:28,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:15:28,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 1744 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:15:28,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:15:28,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:15:28,905 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:15:29,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:15:29,269 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:15:29,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1639127137] [2021-11-07 02:15:29,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1639127137] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:15:29,270 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:15:29,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 02:15:29,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70951591] [2021-11-07 02:15:29,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:15:29,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:15:29,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:15:29,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:15:29,303 INFO L87 Difference]: Start difference. First operand has 5289 states, 5223 states have (on average 1.389048439594103) internal successors, (7255), 5264 states have internal predecessors, (7255), 22 states have call successors, (22), 8 states have call predecessors, (22), 8 states have return successors, (22), 18 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:15:33,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:15:33,138 INFO L93 Difference]: Finished difference Result 16046 states and 22174 transitions. [2021-11-07 02:15:33,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 02:15:33,141 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-11-07 02:15:33,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:15:33,236 INFO L225 Difference]: With dead ends: 16046 [2021-11-07 02:15:33,237 INFO L226 Difference]: Without dead ends: 10324 [2021-11-07 02:15:33,268 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:15:33,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10324 states. [2021-11-07 02:15:33,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10324 to 10236. [2021-11-07 02:15:33,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10236 states, 10114 states have (on average 1.3464504647023927) internal successors, (13618), 10167 states have internal predecessors, (13618), 62 states have call successors, (62), 24 states have call predecessors, (62), 24 states have return successors, (62), 50 states have call predecessors, (62), 62 states have call successors, (62) [2021-11-07 02:15:33,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10236 states to 10236 states and 13742 transitions. [2021-11-07 02:15:33,772 INFO L78 Accepts]: Start accepts. Automaton has 10236 states and 13742 transitions. Word has length 123 [2021-11-07 02:15:33,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:15:33,775 INFO L470 AbstractCegarLoop]: Abstraction has 10236 states and 13742 transitions. [2021-11-07 02:15:33,775 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:15:33,776 INFO L276 IsEmpty]: Start isEmpty. Operand 10236 states and 13742 transitions. [2021-11-07 02:15:33,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-07 02:15:33,791 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:15:33,791 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:15:33,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 02:15:34,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:15:34,015 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-07 02:15:34,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:15:34,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1561698784, now seen corresponding path program 1 times [2021-11-07 02:15:34,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:15:34,021 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [843732166] [2021-11-07 02:15:34,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:15:34,021 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:15:34,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:15:34,024 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:15:34,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 02:15:41,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:15:41,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:15:41,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:15:41,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:15:41,817 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:15:42,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:15:42,183 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:15:42,184 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [843732166] [2021-11-07 02:15:42,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [843732166] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:15:42,184 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:15:42,184 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 02:15:42,184 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792213504] [2021-11-07 02:15:42,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:15:42,186 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:15:42,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:15:42,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:15:42,188 INFO L87 Difference]: Start difference. First operand 10236 states and 13742 transitions. Second operand has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:15:46,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:15:46,236 INFO L93 Difference]: Finished difference Result 28346 states and 37906 transitions. [2021-11-07 02:15:46,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 02:15:46,237 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2021-11-07 02:15:46,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:15:46,385 INFO L225 Difference]: With dead ends: 28346 [2021-11-07 02:15:46,385 INFO L226 Difference]: Without dead ends: 18386 [2021-11-07 02:15:46,416 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:15:46,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18386 states. [2021-11-07 02:15:47,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18386 to 18298. [2021-11-07 02:15:47,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18298 states, 18016 states have (on average 1.3352575488454708) internal successors, (24056), 18105 states have internal predecessors, (24056), 174 states have call successors, (174), 72 states have call predecessors, (174), 72 states have return successors, (174), 138 states have call predecessors, (174), 174 states have call successors, (174) [2021-11-07 02:15:47,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18298 states to 18298 states and 24404 transitions. [2021-11-07 02:15:47,336 INFO L78 Accepts]: Start accepts. Automaton has 18298 states and 24404 transitions. Word has length 124 [2021-11-07 02:15:47,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:15:47,338 INFO L470 AbstractCegarLoop]: Abstraction has 18298 states and 24404 transitions. [2021-11-07 02:15:47,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:15:47,347 INFO L276 IsEmpty]: Start isEmpty. Operand 18298 states and 24404 transitions. [2021-11-07 02:15:47,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-07 02:15:47,363 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:15:47,364 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:15:47,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 02:15:47,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:15:47,587 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ##fun~$Pointer$~X~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-07 02:15:47,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:15:47,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1076035440, now seen corresponding path program 1 times [2021-11-07 02:15:47,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:15:47,592 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1187334510] [2021-11-07 02:15:47,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:15:47,593 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:15:47,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:15:47,595 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:15:47,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 02:15:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:15:55,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 1907 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:15:55,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:15:56,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:15:56,245 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:15:56,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:15:56,702 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:15:56,703 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1187334510] [2021-11-07 02:15:56,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1187334510] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:15:56,703 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:15:56,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 02:15:56,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967388851] [2021-11-07 02:15:56,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:15:56,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:15:56,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:15:56,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:15:56,707 INFO L87 Difference]: Start difference. First operand 18298 states and 24404 transitions. Second operand has 4 states, 4 states have (on average 38.5) internal successors, (154), 4 states have internal predecessors, (154), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:16:02,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:16:02,052 INFO L93 Difference]: Finished difference Result 71248 states and 95354 transitions. [2021-11-07 02:16:02,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 02:16:02,053 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.5) internal successors, (154), 4 states have internal predecessors, (154), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 145 [2021-11-07 02:16:02,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:16:02,317 INFO L225 Difference]: With dead ends: 71248 [2021-11-07 02:16:02,317 INFO L226 Difference]: Without dead ends: 53226 [2021-11-07 02:16:02,389 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:16:02,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53226 states. [2021-11-07 02:16:04,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53226 to 52902. [2021-11-07 02:16:04,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52902 states, 52164 states have (on average 1.3415765662142474) internal successors, (69982), 52361 states have internal predecessors, (69982), 486 states have call successors, (486), 216 states have call predecessors, (486), 216 states have return successors, (486), 378 states have call predecessors, (486), 486 states have call successors, (486) [2021-11-07 02:16:05,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52902 states to 52902 states and 70954 transitions. [2021-11-07 02:16:05,080 INFO L78 Accepts]: Start accepts. Automaton has 52902 states and 70954 transitions. Word has length 145 [2021-11-07 02:16:05,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:16:05,081 INFO L470 AbstractCegarLoop]: Abstraction has 52902 states and 70954 transitions. [2021-11-07 02:16:05,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.5) internal successors, (154), 4 states have internal predecessors, (154), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:16:05,083 INFO L276 IsEmpty]: Start isEmpty. Operand 52902 states and 70954 transitions. [2021-11-07 02:16:05,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-07 02:16:05,092 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:16:05,093 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:16:05,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 02:16:05,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:16:05,307 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-07 02:16:05,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:16:05,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1972810556, now seen corresponding path program 1 times [2021-11-07 02:16:05,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:16:05,312 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [758693989] [2021-11-07 02:16:05,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:16:05,313 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:16:05,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:16:05,315 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:16:05,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 02:16:13,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:16:13,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 1789 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:16:13,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:16:13,781 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:16:13,781 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:16:14,188 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:16:14,188 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:16:14,188 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [758693989] [2021-11-07 02:16:14,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [758693989] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:16:14,189 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:16:14,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 02:16:14,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235280947] [2021-11-07 02:16:14,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:16:14,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:16:14,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:16:14,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:16:14,191 INFO L87 Difference]: Start difference. First operand 52902 states and 70954 transitions. Second operand has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:16:20,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:16:20,150 INFO L93 Difference]: Finished difference Result 158162 states and 212318 transitions. [2021-11-07 02:16:20,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 02:16:20,151 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 145 [2021-11-07 02:16:20,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:16:20,647 INFO L225 Difference]: With dead ends: 158162 [2021-11-07 02:16:20,647 INFO L226 Difference]: Without dead ends: 105536 [2021-11-07 02:16:20,782 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:16:20,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105536 states. [2021-11-07 02:16:25,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105536 to 105462. [2021-11-07 02:16:26,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105462 states, 103998 states have (on average 1.34260274236043) internal successors, (139628), 104363 states have internal predecessors, (139628), 988 states have call successors, (988), 440 states have call predecessors, (988), 440 states have return successors, (988), 768 states have call predecessors, (988), 988 states have call successors, (988) [2021-11-07 02:16:26,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105462 states to 105462 states and 141604 transitions. [2021-11-07 02:16:26,759 INFO L78 Accepts]: Start accepts. Automaton has 105462 states and 141604 transitions. Word has length 145 [2021-11-07 02:16:26,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:16:26,760 INFO L470 AbstractCegarLoop]: Abstraction has 105462 states and 141604 transitions. [2021-11-07 02:16:26,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:16:26,760 INFO L276 IsEmpty]: Start isEmpty. Operand 105462 states and 141604 transitions. [2021-11-07 02:16:26,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-07 02:16:26,767 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:16:26,767 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:16:26,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 02:16:26,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:16:26,991 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ##fun~$Pointer$~X~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~X~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-07 02:16:26,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:16:26,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1295073280, now seen corresponding path program 1 times [2021-11-07 02:16:26,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:16:26,997 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1903304425] [2021-11-07 02:16:26,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:16:26,997 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:16:26,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:16:27,000 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:16:27,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2af50ccb-ba5f-4540-9cc8-45cdd60127f2/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-07 02:16:34,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:16:34,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 1923 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:16:34,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:16:35,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:16:35,107 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:16:35,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:16:35,521 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:16:35,522 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1903304425] [2021-11-07 02:16:35,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1903304425] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:16:35,522 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:16:35,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 02:16:35,522 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182828921] [2021-11-07 02:16:35,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:16:35,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:16:35,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:16:35,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:16:35,524 INFO L87 Difference]: Start difference. First operand 105462 states and 141604 transitions. Second operand has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:16:48,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:16:48,492 INFO L93 Difference]: Finished difference Result 409988 states and 551824 transitions. [2021-11-07 02:16:48,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 02:16:48,493 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 147 [2021-11-07 02:16:48,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:16:49,842 INFO L225 Difference]: With dead ends: 409988 [2021-11-07 02:16:49,843 INFO L226 Difference]: Without dead ends: 304802 [2021-11-07 02:16:50,199 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:16:50,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304802 states.