./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.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_480befc8-8eb8-43db-ab2b-c57aca70cc50/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_480befc8-8eb8-43db-ab2b-c57aca70cc50/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_480befc8-8eb8-43db-ab2b-c57aca70cc50/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_480befc8-8eb8-43db-ab2b-c57aca70cc50/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_480befc8-8eb8-43db-ab2b-c57aca70cc50/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_480befc8-8eb8-43db-ab2b-c57aca70cc50/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 45acb2c796116b4df93c0e090b1e242e2e986b4d7b1240180279cd2f8660db26 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:53:45,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:53:45,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:53:45,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:53:45,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:53:45,538 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:53:45,540 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:53:45,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:53:45,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:53:45,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:53:45,552 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:53:45,554 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:53:45,555 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:53:45,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:53:45,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:53:45,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:53:45,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:53:45,568 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:53:45,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:53:45,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:53:45,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:53:45,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:53:45,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:53:45,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:53:45,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:53:45,595 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:53:45,595 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:53:45,597 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:53:45,598 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:53:45,599 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:53:45,599 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:53:45,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:53:45,602 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:53:45,603 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:53:45,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:53:45,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:53:45,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:53:45,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:53:45,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:53:45,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:53:45,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:53:45,609 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_480befc8-8eb8-43db-ab2b-c57aca70cc50/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 01:53:45,651 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:53:45,653 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:53:45,655 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:53:45,655 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:53:45,656 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:53:45,656 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:53:45,656 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:53:45,656 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:53:45,656 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:53:45,657 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:53:45,658 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:53:45,658 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:53:45,658 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:53:45,658 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:53:45,659 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:53:45,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:53:45,660 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:53:45,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:53:45,660 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:53:45,660 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:53:45,660 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:53:45,661 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:53:45,661 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:53:45,661 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:53:45,661 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:53:45,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:53:45,662 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:53:45,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:53:45,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:53:45,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:53:45,664 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:53:45,664 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:53:45,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:53:45,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:53:45,665 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:53:45,665 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:53:45,665 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_480befc8-8eb8-43db-ab2b-c57aca70cc50/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_480befc8-8eb8-43db-ab2b-c57aca70cc50/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45acb2c796116b4df93c0e090b1e242e2e986b4d7b1240180279cd2f8660db26 [2021-11-07 01:53:45,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:53:45,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:53:45,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:53:45,970 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:53:45,971 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:53:45,972 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_480befc8-8eb8-43db-ab2b-c57aca70cc50/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-11-07 01:53:46,075 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_480befc8-8eb8-43db-ab2b-c57aca70cc50/bin/utaipan-UUZaoUuFF8/data/a6cb1df07/4f1f32d9ab804270946b58fc17cd7adf/FLAG1a7899eed [2021-11-07 01:53:47,203 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:53:47,205 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_480befc8-8eb8-43db-ab2b-c57aca70cc50/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-11-07 01:53:47,280 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_480befc8-8eb8-43db-ab2b-c57aca70cc50/bin/utaipan-UUZaoUuFF8/data/a6cb1df07/4f1f32d9ab804270946b58fc17cd7adf/FLAG1a7899eed [2021-11-07 01:53:47,489 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_480befc8-8eb8-43db-ab2b-c57aca70cc50/bin/utaipan-UUZaoUuFF8/data/a6cb1df07/4f1f32d9ab804270946b58fc17cd7adf [2021-11-07 01:53:47,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:53:47,493 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:53:47,495 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:53:47,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:53:47,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:53:47,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:53:47" (1/1) ... [2021-11-07 01:53:47,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50245877 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:53:47, skipping insertion in model container [2021-11-07 01:53:47,500 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:53:47" (1/1) ... [2021-11-07 01:53:47,507 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:53:47,703 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:53:49,726 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 01:53:49,733 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 01:53:49,780 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 01:53:49,780 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 01:53:49,781 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 01:53:49,788 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 01:53:49,788 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 01:53:49,789 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 01:53:49,789 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 01:53:50,318 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 01:53:50,330 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 01:53:50,341 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 01:53:50,351 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 01:53:50,363 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 01:53:50,407 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 01:53:50,407 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 01:53:50,416 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 01:53:50,459 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 01:53:50,467 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 01:53:50,478 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 01:53:50,491 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 01:53:50,500 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 01:53:50,505 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 01:53:50,517 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 01:53:50,522 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 01:53:50,536 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 01:53:50,539 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 01:53:50,552 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 01:53:50,576 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 01:53:50,596 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 01:53:50,600 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 01:53:50,602 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 01:53:50,617 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 01:53:50,621 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 01:53:50,625 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 01:53:50,662 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 01:53:50,719 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 01:53:50,761 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 01:53:50,762 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 01:53:50,766 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 01:53:50,767 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 01:53:50,773 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 01:53:50,776 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 01:53:50,778 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 01:53:50,781 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 01:53:50,782 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 01:53:50,784 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 01:53:50,788 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 01:53:50,791 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 01:53:50,795 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 01:53:50,797 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 01:53:50,800 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 01:53:50,802 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 01:53:50,804 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-07 01:53:50,805 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 01:53:50,807 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 01:53:50,811 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 01:53:50,814 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 01:53:50,814 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 01:53:50,815 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 01:53:50,816 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 01:53:50,819 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 01:53:50,821 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 01:53:50,831 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 01:53:50,836 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 01:53:50,845 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 01:53:50,847 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 01:53:50,854 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 01:53:50,857 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 01:53:50,862 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 01:53:50,862 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 01:53:50,866 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 01:53:50,869 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 01:53:50,872 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 01:53:50,875 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 01:53:50,879 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 01:53:50,884 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 01:53:50,890 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 01:53:50,895 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 01:53:50,902 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 01:53:50,907 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 01:53:50,915 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 01:53:50,921 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 01:53:50,924 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 01:53:50,925 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 01:53:50,930 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 01:53:50,931 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 01:53:50,933 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 01:53:50,936 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 01:53:50,944 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 01:53:50,949 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 01:53:50,979 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 01:53:50,986 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 01:53:51,504 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 01:53:51,527 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 01:53:51,527 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 01:53:51,534 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 01:53:51,570 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 01:53:51,582 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 01:53:52,348 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_480befc8-8eb8-43db-ab2b-c57aca70cc50/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480731,480744] [2021-11-07 01:53:52,351 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_480befc8-8eb8-43db-ab2b-c57aca70cc50/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480876,480889] [2021-11-07 01:53:52,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:53:52,417 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 01:53:52,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3f1e8b00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:53:52, skipping insertion in model container [2021-11-07 01:53:52,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:53:52,419 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:53:52,421 INFO L168 Benchmark]: Toolchain (without parser) took 4926.46 ms. Allocated memory was 123.7 MB in the beginning and 180.4 MB in the end (delta: 56.6 MB). Free memory was 70.2 MB in the beginning and 75.9 MB in the end (delta: -5.7 MB). Peak memory consumption was 58.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:53:52,421 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 81.8 MB. Free memory was 37.0 MB in the beginning and 37.0 MB in the end (delta: 40.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:53:52,422 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4923.82 ms. Allocated memory was 123.7 MB in the beginning and 180.4 MB in the end (delta: 56.6 MB). Free memory was 69.9 MB in the beginning and 75.9 MB in the end (delta: -6.0 MB). Peak memory consumption was 58.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:53:52,424 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 81.8 MB. Free memory was 37.0 MB in the beginning and 37.0 MB in the end (delta: 40.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4923.82 ms. Allocated memory was 123.7 MB in the beginning and 180.4 MB in the end (delta: 56.6 MB). Free memory was 69.9 MB in the beginning and 75.9 MB in the end (delta: -6.0 MB). Peak memory consumption was 58.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 5905]: 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_480befc8-8eb8-43db-ab2b-c57aca70cc50/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_480befc8-8eb8-43db-ab2b-c57aca70cc50/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_480befc8-8eb8-43db-ab2b-c57aca70cc50/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_480befc8-8eb8-43db-ab2b-c57aca70cc50/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_480befc8-8eb8-43db-ab2b-c57aca70cc50/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_480befc8-8eb8-43db-ab2b-c57aca70cc50/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 45acb2c796116b4df93c0e090b1e242e2e986b4d7b1240180279cd2f8660db26 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:53:54,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:53:54,676 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:53:54,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:53:54,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:53:54,735 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:53:54,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:53:54,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:53:54,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:53:54,753 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:53:54,754 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:53:54,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:53:54,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:53:54,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:53:54,761 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:53:54,766 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:53:54,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:53:54,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:53:54,774 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:53:54,781 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:53:54,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:53:54,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:53:54,787 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:53:54,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:53:54,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:53:54,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:53:54,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:53:54,800 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:53:54,801 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:53:54,802 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:53:54,802 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:53:54,803 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:53:54,805 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:53:54,806 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:53:54,807 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:53:54,808 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:53:54,808 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:53:54,809 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:53:54,809 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:53:54,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:53:54,811 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:53:54,816 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_480befc8-8eb8-43db-ab2b-c57aca70cc50/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 01:53:54,861 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:53:54,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:53:54,863 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:53:54,863 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:53:54,863 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:53:54,863 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:53:54,863 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:53:54,864 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:53:54,864 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:53:54,865 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:53:54,866 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:53:54,867 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:53:54,867 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:53:54,867 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:53:54,867 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:53:54,867 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:53:54,867 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:53:54,868 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:53:54,868 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:53:54,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:53:54,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:53:54,875 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:53:54,875 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:53:54,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:53:54,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:53:54,877 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:53:54,877 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:53:54,878 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:53:54,878 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:53:54,878 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:53:54,878 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:53:54,878 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:53:54,878 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_480befc8-8eb8-43db-ab2b-c57aca70cc50/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_480befc8-8eb8-43db-ab2b-c57aca70cc50/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45acb2c796116b4df93c0e090b1e242e2e986b4d7b1240180279cd2f8660db26 [2021-11-07 01:53:55,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:53:55,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:53:55,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:53:55,258 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:53:55,269 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:53:55,270 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_480befc8-8eb8-43db-ab2b-c57aca70cc50/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-11-07 01:53:55,362 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_480befc8-8eb8-43db-ab2b-c57aca70cc50/bin/utaipan-UUZaoUuFF8/data/1ed834e4e/6332e30f1fd04b8babe56550a4c629cd/FLAGe21df39b5 [2021-11-07 01:53:56,567 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:53:56,569 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_480befc8-8eb8-43db-ab2b-c57aca70cc50/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-11-07 01:53:56,660 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_480befc8-8eb8-43db-ab2b-c57aca70cc50/bin/utaipan-UUZaoUuFF8/data/1ed834e4e/6332e30f1fd04b8babe56550a4c629cd/FLAGe21df39b5 [2021-11-07 01:53:56,776 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_480befc8-8eb8-43db-ab2b-c57aca70cc50/bin/utaipan-UUZaoUuFF8/data/1ed834e4e/6332e30f1fd04b8babe56550a4c629cd [2021-11-07 01:53:56,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:53:56,781 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:53:56,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:53:56,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:53:56,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:53:56,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:53:56" (1/1) ... [2021-11-07 01:53:56,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d802c85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:53:56, skipping insertion in model container [2021-11-07 01:53:56,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:53:56" (1/1) ... [2021-11-07 01:53:56,818 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:53:57,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:54:01,711 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_480befc8-8eb8-43db-ab2b-c57aca70cc50/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480731,480744] [2021-11-07 01:54:01,714 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_480befc8-8eb8-43db-ab2b-c57aca70cc50/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480876,480889] [2021-11-07 01:54:01,750 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:54:01,805 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:54:01,917 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:54:02,685 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_480befc8-8eb8-43db-ab2b-c57aca70cc50/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480731,480744] [2021-11-07 01:54:02,686 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_480befc8-8eb8-43db-ab2b-c57aca70cc50/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480876,480889] [2021-11-07 01:54:02,733 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:54:02,792 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:54:03,472 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_480befc8-8eb8-43db-ab2b-c57aca70cc50/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480731,480744] [2021-11-07 01:54:03,472 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_480befc8-8eb8-43db-ab2b-c57aca70cc50/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480876,480889] [2021-11-07 01:54:03,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:54:03,742 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:54:03,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:54:03 WrapperNode [2021-11-07 01:54:03,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:54:03,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:54:03,744 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:54:03,745 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:54:03,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:54:03" (1/1) ... [2021-11-07 01:54:03,941 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:54:03" (1/1) ... [2021-11-07 01:54:06,880 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:54:06,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:54:06,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:54:06,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:54:06,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:54:03" (1/1) ... [2021-11-07 01:54:06,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:54:03" (1/1) ... [2021-11-07 01:54:07,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:54:03" (1/1) ... [2021-11-07 01:54:07,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:54:03" (1/1) ... [2021-11-07 01:54:09,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:54:03" (1/1) ... [2021-11-07 01:54:09,436 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:54:03" (1/1) ... [2021-11-07 01:54:09,536 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:54:03" (1/1) ... [2021-11-07 01:54:09,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:54:09,891 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:54:09,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:54:09,893 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:54:09,894 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:54:03" (1/1) ... [2021-11-07 01:54:09,901 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:54:09,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_480befc8-8eb8-43db-ab2b-c57aca70cc50/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:54:09,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_480befc8-8eb8-43db-ab2b-c57aca70cc50/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:54:09,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_480befc8-8eb8-43db-ab2b-c57aca70cc50/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:54:09,980 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2021-11-07 01:54:09,980 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2021-11-07 01:54:09,980 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2021-11-07 01:54:09,980 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2021-11-07 01:54:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2021-11-07 01:54:09,981 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2021-11-07 01:54:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2021-11-07 01:54:09,981 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2021-11-07 01:54:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-11-07 01:54:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:54:09,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:54:09,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-07 01:54:09,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-07 01:54:09,982 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~C_INT [2021-11-07 01:54:09,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~C_INT [2021-11-07 01:54:09,982 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2021-11-07 01:54:09,983 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2021-11-07 01:54:09,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 01:54:09,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 01:54:09,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-07 01:54:09,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-07 01:54:09,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-07 01:54:09,983 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2021-11-07 01:54:09,984 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2021-11-07 01:54:09,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-07 01:54:09,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:54:09,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:54:09,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-07 01:54:09,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-07 01:54:09,985 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2021-11-07 01:54:09,985 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2021-11-07 01:54:09,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 01:54:09,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 01:54:09,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-07 01:54:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 01:54:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2021-11-07 01:54:09,986 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2021-11-07 01:54:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2021-11-07 01:54:09,987 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2021-11-07 01:54:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2021-11-07 01:54:09,987 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2021-11-07 01:54:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2021-11-07 01:54:09,987 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2021-11-07 01:54:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:54:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2021-11-07 01:54:09,988 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2021-11-07 01:54:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2021-11-07 01:54:09,988 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2021-11-07 01:54:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 01:54:09,989 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2021-11-07 01:54:09,990 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2021-11-07 01:54:09,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-07 01:54:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-07 01:54:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-07 01:54:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 01:54:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 01:54:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2021-11-07 01:54:09,991 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2021-11-07 01:54:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2021-11-07 01:54:09,992 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2021-11-07 01:54:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2021-11-07 01:54:09,993 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2021-11-07 01:54:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-07 01:54:09,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-07 01:54:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-07 01:54:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-07 01:54:09,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-07 01:54:09,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-07 01:54:09,994 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2021-11-07 01:54:09,995 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2021-11-07 01:54:09,995 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2021-11-07 01:54:09,995 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2021-11-07 01:54:09,995 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2021-11-07 01:54:09,995 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2021-11-07 01:54:09,995 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-07 02:00:07,253 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0bv32; [2021-11-07 02:00:07,253 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res := 0bv32; [2021-11-07 02:00:07,254 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0bv32; [2021-11-07 02:00:07,254 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#3: ldv_switch_0_#res := 0bv32; [2021-11-07 02:00:07,254 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#4: ldv_switch_0_#res := 0bv32; [2021-11-07 02:00:07,254 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#5: ldv_switch_0_#res := 0bv32; [2021-11-07 02:00:07,254 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#6: ldv_switch_0_#res := 0bv32; [2021-11-07 02:00:07,255 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0bv32; [2021-11-07 02:00:07,255 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#7: ldv_switch_0_#res := 0bv32; [2021-11-07 02:00:07,255 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#8: ldv_switch_0_#res := 0bv32; [2021-11-07 02:00:07,256 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-07 02:00:07,258 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0bv32; [2021-11-07 02:00:10,661 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 02:00:10,661 INFO L299 CfgBuilder]: Removed 21830 assume(true) statements. [2021-11-07 02:00:10,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:00:10 BoogieIcfgContainer [2021-11-07 02:00:10,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 02:00:10,680 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 02:00:10,680 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 02:00:10,683 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 02:00:10,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:53:56" (1/3) ... [2021-11-07 02:00:10,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@80eec3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:00:10, skipping insertion in model container [2021-11-07 02:00:10,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:54:03" (2/3) ... [2021-11-07 02:00:10,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@80eec3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:00:10, skipping insertion in model container [2021-11-07 02:00:10,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:00:10" (3/3) ... [2021-11-07 02:00:10,687 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-11-07 02:00:10,692 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 02:00:10,693 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-07 02:00:10,798 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 02:00:10,804 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 02:00:10,804 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-07 02:00:11,073 INFO L276 IsEmpty]: Start isEmpty. Operand has 17632 states, 17521 states have (on average 1.2907368300896067) internal successors, (22615), 17523 states have internal predecessors, (22615), 87 states have call successors, (87), 22 states have call predecessors, (87), 22 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2021-11-07 02:00:11,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-07 02:00:11,122 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:00:11,123 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] [2021-11-07 02:00:11,124 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting de4x5_openErr0ASSERT_VIOLATIONERROR_FUNCTION === [de4x5_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:00:11,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:00:11,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1035294296, now seen corresponding path program 1 times [2021-11-07 02:00:11,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:00:11,160 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1751843740] [2021-11-07 02:00:11,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:00:11,161 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:00:11,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_480befc8-8eb8-43db-ab2b-c57aca70cc50/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:00:11,165 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_480befc8-8eb8-43db-ab2b-c57aca70cc50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:00:11,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_480befc8-8eb8-43db-ab2b-c57aca70cc50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 02:00:18,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:00:18,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 2149 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:00:18,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:00:18,896 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 02:00:18,897 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:00:19,264 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 02:00:19,265 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:00:19,266 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1751843740] [2021-11-07 02:00:19,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1751843740] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:00:19,267 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:00:19,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 02:00:19,269 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071593796] [2021-11-07 02:00:19,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:00:19,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:00:19,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:00:19,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:00:19,329 INFO L87 Difference]: Start difference. First operand has 17632 states, 17521 states have (on average 1.2907368300896067) internal successors, (22615), 17523 states have internal predecessors, (22615), 87 states have call successors, (87), 22 states have call predecessors, (87), 22 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 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 02:00:26,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:00:26,865 INFO L93 Difference]: Finished difference Result 62514 states and 81402 transitions. [2021-11-07 02:00:26,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 02:00:26,868 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 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 86 [2021-11-07 02:00:26,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:00:27,305 INFO L225 Difference]: With dead ends: 62514 [2021-11-07 02:00:27,305 INFO L226 Difference]: Without dead ends: 44575 [2021-11-07 02:00:27,631 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 168 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 02:00:27,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44575 states. [2021-11-07 02:00:29,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44575 to 44559. [2021-11-07 02:00:29,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44559 states, 44244 states have (on average 1.280150980923967) internal successors, (56639), 44246 states have internal predecessors, (56639), 247 states have call successors, (247), 66 states have call predecessors, (247), 66 states have return successors, (247), 247 states have call predecessors, (247), 247 states have call successors, (247) [2021-11-07 02:00:29,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44559 states to 44559 states and 57133 transitions. [2021-11-07 02:00:29,708 INFO L78 Accepts]: Start accepts. Automaton has 44559 states and 57133 transitions. Word has length 86 [2021-11-07 02:00:29,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:00:29,711 INFO L470 AbstractCegarLoop]: Abstraction has 44559 states and 57133 transitions. [2021-11-07 02:00:29,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 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 02:00:29,713 INFO L276 IsEmpty]: Start isEmpty. Operand 44559 states and 57133 transitions. [2021-11-07 02:00:29,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-07 02:00:29,738 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:00:29,738 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] [2021-11-07 02:00:29,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_480befc8-8eb8-43db-ab2b-c57aca70cc50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 02:00:29,960 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_480befc8-8eb8-43db-ab2b-c57aca70cc50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:00:29,960 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [de4x5_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:00:29,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:00:29,961 INFO L85 PathProgramCache]: Analyzing trace with hash -144195775, now seen corresponding path program 1 times [2021-11-07 02:00:29,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:00:29,971 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1862311692] [2021-11-07 02:00:29,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:00:29,971 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:00:29,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_480befc8-8eb8-43db-ab2b-c57aca70cc50/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:00:29,973 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_480befc8-8eb8-43db-ab2b-c57aca70cc50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:00:30,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_480befc8-8eb8-43db-ab2b-c57aca70cc50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 02:00:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:00:37,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 2150 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 02:00:37,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:00:37,805 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 02:00:37,805 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:00:38,124 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 02:00:38,125 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:00:38,125 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1862311692] [2021-11-07 02:00:38,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1862311692] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:00:38,126 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:00:38,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 02:00:38,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564560021] [2021-11-07 02:00:38,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 02:00:38,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:00:38,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 02:00:38,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 02:00:38,129 INFO L87 Difference]: Start difference. First operand 44559 states and 57133 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 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 02:00:50,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:00:50,693 INFO L93 Difference]: Finished difference Result 174583 states and 224629 transitions. [2021-11-07 02:00:50,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 02:00:50,695 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 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 91 [2021-11-07 02:00:50,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:00:51,821 INFO L225 Difference]: With dead ends: 174583 [2021-11-07 02:00:51,821 INFO L226 Difference]: Without dead ends: 130148 [2021-11-07 02:00:52,510 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 178 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 02:00:52,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130148 states. [2021-11-07 02:00:56,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130148 to 129808. [2021-11-07 02:00:57,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129808 states, 128867 states have (on average 1.279381067301947) internal successors, (164870), 128871 states have internal predecessors, (164870), 741 states have call successors, (741), 198 states have call predecessors, (741), 198 states have return successors, (1633), 741 states have call predecessors, (1633), 741 states have call successors, (1633) [2021-11-07 02:00:58,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129808 states to 129808 states and 167244 transitions. [2021-11-07 02:00:58,272 INFO L78 Accepts]: Start accepts. Automaton has 129808 states and 167244 transitions. Word has length 91 [2021-11-07 02:00:58,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:00:58,274 INFO L470 AbstractCegarLoop]: Abstraction has 129808 states and 167244 transitions. [2021-11-07 02:00:58,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 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 02:00:58,275 INFO L276 IsEmpty]: Start isEmpty. Operand 129808 states and 167244 transitions. [2021-11-07 02:00:58,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-07 02:00:58,309 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:00:58,310 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] [2021-11-07 02:00:58,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_480befc8-8eb8-43db-ab2b-c57aca70cc50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 02:00:58,525 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_480befc8-8eb8-43db-ab2b-c57aca70cc50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:00:58,526 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting de4x5_openErr0ASSERT_VIOLATIONERROR_FUNCTION === [de4x5_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:00:58,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:00:58,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1264383567, now seen corresponding path program 1 times [2021-11-07 02:00:58,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:00:58,531 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2026691565] [2021-11-07 02:00:58,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:00:58,531 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:00:58,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_480befc8-8eb8-43db-ab2b-c57aca70cc50/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:00:58,533 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_480befc8-8eb8-43db-ab2b-c57aca70cc50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:00:58,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_480befc8-8eb8-43db-ab2b-c57aca70cc50/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process