./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:26:22,390 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:26:22,392 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:26:22,436 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:26:22,436 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:26:22,437 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:26:22,439 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:26:22,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:26:22,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:26:22,445 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:26:22,446 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:26:22,447 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:26:22,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:26:22,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:26:22,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:26:22,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:26:22,453 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:26:22,454 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:26:22,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:26:22,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:26:22,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:26:22,462 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:26:22,463 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:26:22,464 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:26:22,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:26:22,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:26:22,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:26:22,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:26:22,475 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:26:22,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:26:22,477 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:26:22,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:26:22,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:26:22,479 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:26:22,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:26:22,481 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:26:22,482 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:26:22,482 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:26:22,483 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:26:22,484 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:26:22,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:26:22,490 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-13 02:26:22,533 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:26:22,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:26:22,535 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:26:22,535 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:26:22,535 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:26:22,535 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:26:22,536 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:26:22,536 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 02:26:22,542 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:26:22,542 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:26:22,543 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 02:26:22,543 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 02:26:22,544 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:26:22,544 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 02:26:22,544 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 02:26:22,544 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 02:26:22,545 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:26:22,545 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 02:26:22,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:26:22,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:26:22,546 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:26:22,546 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:26:22,546 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:26:22,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:26:22,546 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:26:22,547 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:26:22,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:26:22,547 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:26:22,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:26:22,549 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:26:22,549 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:26:22,549 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:26:22,549 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 02:26:22,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 02:26:22,550 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:26:22,550 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:26:22,550 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:26:22,550 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_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc [2021-11-13 02:26:22,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:26:22,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:26:22,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:26:22,910 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:26:22,911 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:26:22,912 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2021-11-13 02:26:22,974 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/data/d08c392bc/5acb9a50a7144215a8890abed0131623/FLAGf24f103c1 [2021-11-13 02:26:23,921 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:26:23,922 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2021-11-13 02:26:23,967 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/data/d08c392bc/5acb9a50a7144215a8890abed0131623/FLAGf24f103c1 [2021-11-13 02:26:24,303 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/data/d08c392bc/5acb9a50a7144215a8890abed0131623 [2021-11-13 02:26:24,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:26:24,307 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:26:24,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:26:24,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:26:24,312 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:26:24,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:26:24" (1/1) ... [2021-11-13 02:26:24,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9bc1224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:24, skipping insertion in model container [2021-11-13 02:26:24,314 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:26:24" (1/1) ... [2021-11-13 02:26:24,321 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:26:24,496 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:26:25,606 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:26,065 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:26,522 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:26,527 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:26,531 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:26,544 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:26,551 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:26,554 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:26,557 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:26,562 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:26,564 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:26,569 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:26,571 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:26,574 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:26,577 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:26,581 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:26,582 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:26,582 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:26,583 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:26,583 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:26,584 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:26,587 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:26,587 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:26,588 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:26,590 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:26,590 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:26,597 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:26,669 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:26,672 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:26,682 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:26,793 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:26,796 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:26,801 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:26,815 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:26,824 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:26,839 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:26,848 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:26,865 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:26,872 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:26,885 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:26,907 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:26,984 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:27,073 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:27,076 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:27,083 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:27,089 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:27,098 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:27,098 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:27,117 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 02:26:27,303 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_461b126b-24f2-4349-8fa7-477a2f913a28/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2021-11-13 02:26:27,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:26:27,391 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) [2021-11-13 02:26:27,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7f841dd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:27, skipping insertion in model container [2021-11-13 02:26:27,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:26:27,393 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-13 02:26:27,395 INFO L158 Benchmark]: Toolchain (without parser) took 3086.88ms. Allocated memory was 104.9MB in the beginning and 144.7MB in the end (delta: 39.8MB). Free memory was 71.6MB in the beginning and 70.2MB in the end (delta: 1.4MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. [2021-11-13 02:26:27,397 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 104.9MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 02:26:27,399 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3084.80ms. Allocated memory was 104.9MB in the beginning and 144.7MB in the end (delta: 39.8MB). Free memory was 71.4MB in the beginning and 70.2MB in the end (delta: 1.2MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. [2021-11-13 02:26:27,401 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 104.9MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3084.80ms. Allocated memory was 104.9MB in the beginning and 144.7MB in the end (delta: 39.8MB). Free memory was 71.4MB in the beginning and 70.2MB in the end (delta: 1.2MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 5047]: 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_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 02:26:29,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 02:26:29,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 02:26:29,659 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 02:26:29,660 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 02:26:29,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 02:26:29,663 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 02:26:29,666 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 02:26:29,668 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 02:26:29,669 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 02:26:29,673 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 02:26:29,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 02:26:29,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 02:26:29,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 02:26:29,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 02:26:29,680 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 02:26:29,681 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 02:26:29,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 02:26:29,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 02:26:29,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 02:26:29,692 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 02:26:29,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 02:26:29,698 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 02:26:29,701 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 02:26:29,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 02:26:29,714 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 02:26:29,714 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 02:26:29,724 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 02:26:29,724 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 02:26:29,725 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 02:26:29,726 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 02:26:29,727 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 02:26:29,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 02:26:29,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 02:26:29,730 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 02:26:29,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 02:26:29,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 02:26:29,747 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 02:26:29,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 02:26:29,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 02:26:29,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 02:26:29,758 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-13 02:26:29,804 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 02:26:29,804 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 02:26:29,805 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 02:26:29,805 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 02:26:29,806 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 02:26:29,806 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 02:26:29,806 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 02:26:29,806 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 02:26:29,806 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 02:26:29,806 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 02:26:29,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 02:26:29,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 02:26:29,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 02:26:29,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 02:26:29,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 02:26:29,810 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 02:26:29,810 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 02:26:29,810 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 02:26:29,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 02:26:29,810 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 02:26:29,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 02:26:29,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 02:26:29,811 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 02:26:29,811 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 02:26:29,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:26:29,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 02:26:29,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 02:26:29,812 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 02:26:29,812 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 02:26:29,812 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 02:26:29,813 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 02:26:29,813 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 02:26:29,813 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 02:26:29,813 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_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc [2021-11-13 02:26:30,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 02:26:30,215 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 02:26:30,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 02:26:30,219 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 02:26:30,220 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 02:26:30,221 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2021-11-13 02:26:30,301 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/data/164daaa79/f2e83d858ac64234baf887b20e756b16/FLAG68d9729a5 [2021-11-13 02:26:31,452 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 02:26:31,453 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2021-11-13 02:26:31,518 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/data/164daaa79/f2e83d858ac64234baf887b20e756b16/FLAG68d9729a5 [2021-11-13 02:26:31,727 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/data/164daaa79/f2e83d858ac64234baf887b20e756b16 [2021-11-13 02:26:31,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 02:26:31,730 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 02:26:31,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 02:26:31,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 02:26:31,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 02:26:31,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:26:31" (1/1) ... [2021-11-13 02:26:31,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ab8a836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:31, skipping insertion in model container [2021-11-13 02:26:31,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:26:31" (1/1) ... [2021-11-13 02:26:31,748 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 02:26:31,945 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:26:34,554 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_461b126b-24f2-4349-8fa7-477a2f913a28/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2021-11-13 02:26:34,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:26:34,670 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-13 02:26:34,804 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 02:26:35,433 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_461b126b-24f2-4349-8fa7-477a2f913a28/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2021-11-13 02:26:35,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:26:35,468 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 02:26:36,198 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_461b126b-24f2-4349-8fa7-477a2f913a28/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2021-11-13 02:26:36,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 02:26:36,586 INFO L208 MainTranslator]: Completed translation [2021-11-13 02:26:36,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:36 WrapperNode [2021-11-13 02:26:36,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 02:26:36,588 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 02:26:36,589 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 02:26:36,589 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 02:26:36,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:36" (1/1) ... [2021-11-13 02:26:36,738 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:36" (1/1) ... [2021-11-13 02:26:37,107 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 02:26:37,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 02:26:37,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 02:26:37,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 02:26:37,124 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:36" (1/1) ... [2021-11-13 02:26:37,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:36" (1/1) ... [2021-11-13 02:26:37,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:36" (1/1) ... [2021-11-13 02:26:37,201 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:36" (1/1) ... [2021-11-13 02:26:37,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:36" (1/1) ... [2021-11-13 02:26:37,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:36" (1/1) ... [2021-11-13 02:26:37,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:36" (1/1) ... [2021-11-13 02:26:37,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 02:26:37,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 02:26:37,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 02:26:37,523 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 02:26:37,525 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:36" (1/1) ... [2021-11-13 02:26:37,535 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 02:26:37,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 02:26:37,558 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 02:26:37,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 02:26:37,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-13 02:26:37,606 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2021-11-13 02:26:37,606 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2021-11-13 02:26:37,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-13 02:26:37,606 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-13 02:26:37,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-13 02:26:37,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-13 02:26:37,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-13 02:26:37,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 02:26:37,607 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-13 02:26:37,608 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-13 02:26:37,608 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-13 02:26:37,608 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-13 02:26:37,608 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-13 02:26:37,608 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-13 02:26:37,608 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2021-11-13 02:26:37,609 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2021-11-13 02:26:37,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 02:26:37,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 02:26:37,609 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2021-11-13 02:26:37,609 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2021-11-13 02:26:37,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-11-13 02:26:37,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-11-13 02:26:37,610 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2021-11-13 02:26:37,610 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2021-11-13 02:26:37,610 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-13 02:26:37,610 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-13 02:26:37,610 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2021-11-13 02:26:37,610 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2021-11-13 02:26:37,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-11-13 02:26:37,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-11-13 02:26:37,611 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-13 02:26:37,611 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-13 02:26:37,611 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-13 02:26:37,611 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-13 02:26:37,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 02:26:37,612 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 02:26:37,612 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-13 02:26:37,612 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-13 02:26:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure free_bufs [2021-11-13 02:26:37,613 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bufs [2021-11-13 02:26:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-11-13 02:26:37,613 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-11-13 02:26:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2021-11-13 02:26:37,613 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2021-11-13 02:26:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-11-13 02:26:37,614 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-11-13 02:26:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-13 02:26:37,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-13 02:26:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-13 02:26:37,615 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-13 02:26:37,615 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2021-11-13 02:26:37,616 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2021-11-13 02:26:37,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 02:26:37,616 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-13 02:26:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2021-11-13 02:26:37,617 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2021-11-13 02:26:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 02:26:37,617 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rbufs [2021-11-13 02:26:37,617 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rbufs [2021-11-13 02:26:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2021-11-13 02:26:37,618 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2021-11-13 02:26:37,618 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-11-13 02:26:37,618 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-11-13 02:26:37,619 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-13 02:26:37,619 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-13 02:26:37,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-13 02:26:37,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-13 02:26:37,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-13 02:26:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-11-13 02:26:37,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-11-13 02:26:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 02:26:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 02:26:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 02:26:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2021-11-13 02:26:37,621 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2021-11-13 02:26:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure free_rbufs [2021-11-13 02:26:37,621 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rbufs [2021-11-13 02:26:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-13 02:26:37,621 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-13 02:26:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-13 02:26:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 02:26:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-13 02:26:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure async_mode [2021-11-13 02:26:37,622 INFO L138 BoogieDeclarations]: Found implementation of procedure async_mode [2021-11-13 02:26:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2021-11-13 02:26:37,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2021-11-13 02:26:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-13 02:26:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2021-11-13 02:26:37,624 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2021-11-13 02:26:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-13 02:26:37,624 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-13 02:26:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-13 02:26:37,625 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-13 02:26:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-13 02:26:37,626 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-13 02:26:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2021-11-13 02:26:37,626 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2021-11-13 02:26:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-13 02:26:37,627 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-13 02:26:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2021-11-13 02:26:37,627 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2021-11-13 02:26:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-13 02:26:37,627 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-13 02:26:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-11-13 02:26:37,627 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-11-13 02:26:37,628 INFO L130 BoogieDeclarations]: Found specification of procedure update_tx_timer [2021-11-13 02:26:37,628 INFO L138 BoogieDeclarations]: Found implementation of procedure update_tx_timer [2021-11-13 02:26:37,628 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bufs [2021-11-13 02:26:37,628 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bufs [2021-11-13 02:26:37,628 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-13 02:26:37,629 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-13 02:26:37,629 INFO L130 BoogieDeclarations]: Found specification of procedure msc_set_vcr [2021-11-13 02:26:37,630 INFO L138 BoogieDeclarations]: Found implementation of procedure msc_set_vcr [2021-11-13 02:26:37,632 INFO L130 BoogieDeclarations]: Found specification of procedure isr_txeom [2021-11-13 02:26:37,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_txeom [2021-11-13 02:26:37,633 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-13 02:26:37,633 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-13 02:26:37,633 INFO L130 BoogieDeclarations]: Found specification of procedure setup_timer_key [2021-11-13 02:26:37,635 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_timer_key [2021-11-13 02:26:37,635 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-13 02:26:37,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-13 02:26:37,635 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_reset [2021-11-13 02:26:37,642 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_reset [2021-11-13 02:26:37,642 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2021-11-13 02:26:37,642 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2021-11-13 02:26:37,643 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2021-11-13 02:26:37,643 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2021-11-13 02:26:37,643 INFO L130 BoogieDeclarations]: Found specification of procedure slgt_cleanup [2021-11-13 02:26:37,643 INFO L138 BoogieDeclarations]: Found implementation of procedure slgt_cleanup [2021-11-13 02:26:37,643 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-13 02:26:37,643 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-13 02:26:37,643 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-13 02:26:37,643 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-13 02:26:37,644 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2021-11-13 02:26:37,644 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2021-11-13 02:26:37,644 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2021-11-13 02:26:37,644 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2021-11-13 02:26:37,644 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-13 02:26:37,644 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-13 02:26:37,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-13 02:26:37,645 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-13 02:26:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2021-11-13 02:26:37,645 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2021-11-13 02:26:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-13 02:26:37,645 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-13 02:26:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-13 02:26:37,645 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-13 02:26:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load [2021-11-13 02:26:37,646 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load [2021-11-13 02:26:37,646 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg32 [2021-11-13 02:26:37,646 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg32 [2021-11-13 02:26:37,646 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_done [2021-11-13 02:26:37,646 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_done [2021-11-13 02:26:37,646 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-13 02:26:37,646 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-13 02:26:37,647 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-13 02:26:37,647 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-13 02:26:37,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-13 02:26:37,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-13 02:26:37,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-13 02:26:37,647 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2021-11-13 02:26:37,647 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2021-11-13 02:26:37,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-13 02:26:37,648 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg32 [2021-11-13 02:26:37,648 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg32 [2021-11-13 02:26:37,648 INFO L130 BoogieDeclarations]: Found specification of procedure isr_rxdata [2021-11-13 02:26:37,648 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_rxdata [2021-11-13 02:26:37,648 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2021-11-13 02:26:37,648 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2021-11-13 02:26:37,648 INFO L130 BoogieDeclarations]: Found specification of procedure tbuf_bytes [2021-11-13 02:26:37,649 INFO L138 BoogieDeclarations]: Found implementation of procedure tbuf_bytes [2021-11-13 02:26:37,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 02:26:37,649 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-11-13 02:26:37,649 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-11-13 02:26:37,649 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-13 02:26:37,649 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-13 02:26:37,649 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2021-11-13 02:26:37,650 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2021-11-13 02:26:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2021-11-13 02:26:37,650 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2021-11-13 02:26:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 02:26:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-13 02:26:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg16 [2021-11-13 02:26:37,650 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg16 [2021-11-13 02:26:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-13 02:26:37,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-13 02:26:37,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-13 02:26:37,651 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2021-11-13 02:26:37,651 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2021-11-13 02:26:37,651 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-13 02:26:37,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-13 02:26:37,651 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg16 [2021-11-13 02:26:37,652 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg16 [2021-11-13 02:26:37,652 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-13 02:26:37,652 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-13 02:26:37,652 INFO L130 BoogieDeclarations]: Found specification of procedure sync_mode [2021-11-13 02:26:37,652 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_mode [2021-11-13 02:26:37,652 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2021-11-13 02:26:37,652 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2021-11-13 02:26:37,653 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2021-11-13 02:26:37,653 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2021-11-13 02:26:37,653 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-13 02:26:37,653 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-13 02:26:37,653 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2021-11-13 02:26:37,653 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2021-11-13 02:26:37,653 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-13 02:26:37,653 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-13 02:26:37,654 INFO L130 BoogieDeclarations]: Found specification of procedure free_tmp_rbuf [2021-11-13 02:26:37,654 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tmp_rbuf [2021-11-13 02:26:37,654 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-13 02:26:37,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-13 02:26:37,654 INFO L130 BoogieDeclarations]: Found specification of procedure tdma_reset [2021-11-13 02:26:37,654 INFO L138 BoogieDeclarations]: Found implementation of procedure tdma_reset [2021-11-13 02:26:37,654 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2021-11-13 02:26:37,655 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2021-11-13 02:26:37,655 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-13 02:26:37,655 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-13 02:26:37,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-13 02:26:37,655 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2021-11-13 02:26:37,655 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2021-11-13 02:26:37,655 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2021-11-13 02:26:37,655 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2021-11-13 02:26:37,656 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg8 [2021-11-13 02:26:37,656 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg8 [2021-11-13 02:26:37,656 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2021-11-13 02:26:37,656 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2021-11-13 02:26:37,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 02:26:37,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 02:26:39,313 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 02:26:39,385 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2021-11-13 02:26:39,385 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2021-11-13 02:26:41,707 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-11-13 02:26:41,708 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-11-13 02:26:47,589 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 02:26:48,182 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2021-11-13 02:26:48,182 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2021-11-13 02:26:49,065 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 02:26:49,067 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 02:26:49,552 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume !false; [2021-11-13 02:26:49,552 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume false; [2021-11-13 02:26:49,553 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##132: assume !false; [2021-11-13 02:26:49,553 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume false; [2021-11-13 02:26:50,689 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 02:27:16,116 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10940: SUMMARY for call modem_input_wait_#t~ret1508#1.base, modem_input_wait_#t~ret1508#1.offset := get_current(); srcloc: null [2021-11-13 02:27:16,116 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10940-1: modem_input_wait_~tmp___8~2#1.base, modem_input_wait_~tmp___8~2#1.offset := modem_input_wait_#t~ret1508#1.base, modem_input_wait_#t~ret1508#1.offset;havoc modem_input_wait_#t~ret1508#1.base, modem_input_wait_#t~ret1508#1.offset;modem_input_wait_~__ptr___3~1#1.base, modem_input_wait_~__ptr___3~1#1.offset := modem_input_wait_~tmp___8~2#1.base, modem_input_wait_~tmp___8~2#1.offset; [2021-11-13 02:27:16,116 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10882: SUMMARY for call modem_input_wait_#t~ret1477#1.base, modem_input_wait_#t~ret1477#1.offset := get_current(); srcloc: null [2021-11-13 02:27:16,116 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10882-1: modem_input_wait_~tmp___1~21#1.base, modem_input_wait_~tmp___1~21#1.offset := modem_input_wait_#t~ret1477#1.base, modem_input_wait_#t~ret1477#1.offset;havoc modem_input_wait_#t~ret1477#1.base, modem_input_wait_#t~ret1477#1.offset;modem_input_wait_~__ptr~3#1.base, modem_input_wait_~__ptr~3#1.offset := modem_input_wait_~tmp___1~21#1.base, modem_input_wait_~tmp___1~21#1.offset; [2021-11-13 02:27:16,116 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##265: assume !false; [2021-11-13 02:27:16,117 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##264: assume false; [2021-11-13 02:27:16,117 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##276: assume false; [2021-11-13 02:27:16,117 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##277: assume !false; [2021-11-13 02:27:16,117 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##232: assume false; [2021-11-13 02:27:16,117 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##233: assume !false; [2021-11-13 02:27:16,117 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##241: assume !false; [2021-11-13 02:27:16,117 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##240: assume false; [2021-11-13 02:27:16,117 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11037-1: modem_input_wait_~tmp___12~1#1.base, modem_input_wait_~tmp___12~1#1.offset := modem_input_wait_#t~ret1551#1.base, modem_input_wait_#t~ret1551#1.offset;havoc modem_input_wait_#t~ret1551#1.base, modem_input_wait_#t~ret1551#1.offset;modem_input_wait_~__ptr___7~1#1.base, modem_input_wait_~__ptr___7~1#1.offset := modem_input_wait_~tmp___12~1#1.base, modem_input_wait_~tmp___12~1#1.offset; [2021-11-13 02:27:16,118 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11037: SUMMARY for call modem_input_wait_#t~ret1551#1.base, modem_input_wait_#t~ret1551#1.offset := get_current(); srcloc: null [2021-11-13 02:27:16,118 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##304: assume !false; [2021-11-13 02:27:16,118 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##303: assume false; [2021-11-13 02:27:16,118 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10655-1: remove_cond_wait_~tmp~91#1.base, remove_cond_wait_~tmp~91#1.offset := remove_cond_wait_#t~ret1411#1.base, remove_cond_wait_#t~ret1411#1.offset;havoc remove_cond_wait_#t~ret1411#1.base, remove_cond_wait_#t~ret1411#1.offset;remove_cond_wait_~__ptr~2#1.base, remove_cond_wait_~__ptr~2#1.offset := remove_cond_wait_~tmp~91#1.base, remove_cond_wait_~tmp~91#1.offset; [2021-11-13 02:27:16,118 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10655: SUMMARY for call remove_cond_wait_#t~ret1411#1.base, remove_cond_wait_#t~ret1411#1.offset := get_current(); srcloc: null [2021-11-13 02:27:16,118 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10195: SUMMARY for call wait_mgsl_event_#t~ret1339#1.base, wait_mgsl_event_#t~ret1339#1.offset := get_current(); srcloc: null [2021-11-13 02:27:16,118 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10195-1: wait_mgsl_event_~tmp___26~0#1.base, wait_mgsl_event_~tmp___26~0#1.offset := wait_mgsl_event_#t~ret1339#1.base, wait_mgsl_event_#t~ret1339#1.offset;havoc wait_mgsl_event_#t~ret1339#1.base, wait_mgsl_event_#t~ret1339#1.offset;wait_mgsl_event_~__ptr___7~0#1.base, wait_mgsl_event_~__ptr___7~0#1.offset := wait_mgsl_event_~tmp___26~0#1.base, wait_mgsl_event_~tmp___26~0#1.offset; [2021-11-13 02:27:16,119 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10592: SUMMARY for call add_cond_wait_#t~ret1406#1.base, add_cond_wait_#t~ret1406#1.offset := get_current(); srcloc: null [2021-11-13 02:27:16,119 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10592-1: add_cond_wait_~tmp~90#1.base, add_cond_wait_~tmp~90#1.offset := add_cond_wait_#t~ret1406#1.base, add_cond_wait_#t~ret1406#1.offset;havoc add_cond_wait_#t~ret1406#1.base, add_cond_wait_#t~ret1406#1.offset;add_cond_wait_~__ptr~1#1.base, add_cond_wait_~__ptr~1#1.offset := add_cond_wait_~tmp~90#1.base, add_cond_wait_~tmp~90#1.offset; [2021-11-13 02:27:16,119 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10064: SUMMARY for call wait_mgsl_event_#t~ret1264#1.base, wait_mgsl_event_#t~ret1264#1.offset := get_current(); srcloc: null [2021-11-13 02:27:16,119 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10064-1: wait_mgsl_event_~tmp___13~0#1.base, wait_mgsl_event_~tmp___13~0#1.offset := wait_mgsl_event_#t~ret1264#1.base, wait_mgsl_event_#t~ret1264#1.offset;havoc wait_mgsl_event_#t~ret1264#1.base, wait_mgsl_event_#t~ret1264#1.offset;wait_mgsl_event_~__ptr___3~0#1.base, wait_mgsl_event_~__ptr___3~0#1.offset := wait_mgsl_event_~tmp___13~0#1.base, wait_mgsl_event_~tmp___13~0#1.offset; [2021-11-13 02:27:16,119 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##76: assume !false; [2021-11-13 02:27:16,119 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume false; [2021-11-13 02:27:16,119 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##69: assume !false; [2021-11-13 02:27:16,119 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##68: assume false; [2021-11-13 02:27:16,120 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##195: assume false; [2021-11-13 02:27:16,120 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##196: assume !false; [2021-11-13 02:27:16,120 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume !false; [2021-11-13 02:27:16,120 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume false; [2021-11-13 02:27:16,120 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##139: assume !false; [2021-11-13 02:27:16,120 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##138: assume false; [2021-11-13 02:27:16,120 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10004: SUMMARY for call wait_mgsl_event_#t~ret1225#1.base, wait_mgsl_event_#t~ret1225#1.offset := get_current(); srcloc: null [2021-11-13 02:27:16,121 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L10004-1: wait_mgsl_event_~tmp___6~1#1.base, wait_mgsl_event_~tmp___6~1#1.offset := wait_mgsl_event_#t~ret1225#1.base, wait_mgsl_event_#t~ret1225#1.offset;havoc wait_mgsl_event_#t~ret1225#1.base, wait_mgsl_event_#t~ret1225#1.offset;wait_mgsl_event_~__ptr~0#1.base, wait_mgsl_event_~__ptr~0#1.offset := wait_mgsl_event_~tmp___6~1#1.base, wait_mgsl_event_~tmp___6~1#1.offset; [2021-11-13 02:27:16,121 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##389: assume false; [2021-11-13 02:27:16,121 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##151: assume !false; [2021-11-13 02:27:16,121 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##150: assume false; [2021-11-13 02:27:16,121 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##390: assume !false; [2021-11-13 02:27:16,121 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##155: assume false; [2021-11-13 02:27:16,121 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##156: assume !false; [2021-11-13 02:27:16,121 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume false; [2021-11-13 02:27:16,122 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume !false; [2021-11-13 02:27:16,122 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##327: assume !false; [2021-11-13 02:27:16,122 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##326: assume false; [2021-11-13 02:27:18,674 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 02:27:18,677 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 02:27:18,687 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 02:27:18,688 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 02:27:18,689 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-13 02:28:20,313 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##289: assume !false;call ULTIMATE.dealloc(hdlcdev_ioctl_~#new_line~0#1.base, hdlcdev_ioctl_~#new_line~0#1.offset);havoc hdlcdev_ioctl_~#new_line~0#1.base, hdlcdev_ioctl_~#new_line~0#1.offset; [2021-11-13 02:28:20,313 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##288: assume false; [2021-11-13 02:28:20,314 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume !false; [2021-11-13 02:28:20,314 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##300: assume false; [2021-11-13 02:28:20,314 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##323: assume !false; [2021-11-13 02:28:20,314 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##322: assume false; [2021-11-13 02:28:20,314 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11392: SUMMARY for call block_til_ready_#t~ret1615#1.base, block_til_ready_#t~ret1615#1.offset := get_current(); srcloc: null [2021-11-13 02:28:20,314 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11392-1: block_til_ready_~tmp___9~2#1.base, block_til_ready_~tmp___9~2#1.offset := block_til_ready_#t~ret1615#1.base, block_til_ready_#t~ret1615#1.offset;havoc block_til_ready_#t~ret1615#1.base, block_til_ready_#t~ret1615#1.offset;block_til_ready_~__ptr___3~2#1.base, block_til_ready_~__ptr___3~2#1.offset := block_til_ready_~tmp___9~2#1.base, block_til_ready_~tmp___9~2#1.offset; [2021-11-13 02:28:20,314 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##399: assume false; [2021-11-13 02:28:20,314 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##423: assume false; [2021-11-13 02:28:20,314 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##424: assume !false; [2021-11-13 02:28:20,314 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##400: assume !false; [2021-11-13 02:28:20,315 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11302-1: block_til_ready_~tmp___2~14#1.base, block_til_ready_~tmp___2~14#1.offset := block_til_ready_#t~ret1600#1.base, block_til_ready_#t~ret1600#1.offset;havoc block_til_ready_#t~ret1600#1.base, block_til_ready_#t~ret1600#1.offset;block_til_ready_~__ptr~4#1.base, block_til_ready_~__ptr~4#1.offset := block_til_ready_~tmp___2~14#1.base, block_til_ready_~tmp___2~14#1.offset; [2021-11-13 02:28:20,315 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L11302: SUMMARY for call block_til_ready_#t~ret1600#1.base, block_til_ready_#t~ret1600#1.offset := get_current(); srcloc: null [2021-11-13 02:28:20,315 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##78: assume !false; [2021-11-13 02:28:20,315 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##77: assume false; [2021-11-13 02:28:20,315 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##133: assume !false; [2021-11-13 02:28:20,315 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##132: assume false; [2021-11-13 02:28:21,853 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 02:28:21,853 INFO L299 CfgBuilder]: Removed 17 assume(true) statements. [2021-11-13 02:28:21,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:28:21 BoogieIcfgContainer [2021-11-13 02:28:21,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 02:28:21,859 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 02:28:21,860 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 02:28:21,862 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 02:28:21,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:26:31" (1/3) ... [2021-11-13 02:28:21,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@179b45c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:28:21, skipping insertion in model container [2021-11-13 02:28:21,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:26:36" (2/3) ... [2021-11-13 02:28:21,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@179b45c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:28:21, skipping insertion in model container [2021-11-13 02:28:21,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:28:21" (3/3) ... [2021-11-13 02:28:21,865 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2021-11-13 02:28:21,874 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 02:28:21,874 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 02:28:21,953 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 02:28:21,959 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 [2021-11-13 02:28:21,959 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 02:28:22,041 INFO L276 IsEmpty]: Start isEmpty. Operand has 2733 states, 2016 states have (on average 1.4037698412698412) internal successors, (2830), 2091 states have internal predecessors, (2830), 627 states have call successors, (627), 98 states have call predecessors, (627), 98 states have return successors, (627), 607 states have call predecessors, (627), 627 states have call successors, (627) [2021-11-13 02:28:22,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 02:28:22,045 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:28:22,045 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 02:28:22,046 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:28:22,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:28:22,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1683062230, now seen corresponding path program 1 times [2021-11-13 02:28:22,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:28:22,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [596826476] [2021-11-13 02:28:22,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:28:22,069 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:28:22,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:28:22,072 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:28:22,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-13 02:28:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:28:26,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 1506 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 02:28:26,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:28:27,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:28:27,507 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:28:27,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:28:27,908 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:28:27,908 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [596826476] [2021-11-13 02:28:27,909 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [596826476] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:28:27,909 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:28:27,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2021-11-13 02:28:27,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437221987] [2021-11-13 02:28:27,911 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:28:27,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 02:28:27,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:28:27,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 02:28:27,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:28:27,956 INFO L87 Difference]: Start difference. First operand has 2733 states, 2016 states have (on average 1.4037698412698412) internal successors, (2830), 2091 states have internal predecessors, (2830), 627 states have call successors, (627), 98 states have call predecessors, (627), 98 states have return successors, (627), 607 states have call predecessors, (627), 627 states have call successors, (627) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 02:28:28,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:28:28,562 INFO L93 Difference]: Finished difference Result 8125 states and 12244 transitions. [2021-11-13 02:28:28,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 02:28:28,565 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2021-11-13 02:28:28,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:28:28,642 INFO L225 Difference]: With dead ends: 8125 [2021-11-13 02:28:28,643 INFO L226 Difference]: Without dead ends: 5402 [2021-11-13 02:28:28,682 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 02:28:28,691 INFO L933 BasicCegarLoop]: 5839 mSDtfsCounter, 4020 mSDsluCounter, 4000 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 152.40ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4020 SdHoareTripleChecker+Valid, 9839 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 60.17ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 156.12ms IncrementalHoareTripleChecker+Time [2021-11-13 02:28:28,693 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4020 Valid, 9839 Invalid, 10 Unknown, 0 Unchecked, 60.17ms Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 156.12ms Time] [2021-11-13 02:28:28,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5402 states. [2021-11-13 02:28:29,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5402 to 5399. [2021-11-13 02:28:29,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5399 states, 3956 states have (on average 1.3963599595551062) internal successors, (5524), 4121 states have internal predecessors, (5524), 1248 states have call successors, (1248), 195 states have call predecessors, (1248), 194 states have return successors, (1246), 1206 states have call predecessors, (1246), 1246 states have call successors, (1246) [2021-11-13 02:28:29,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5399 states to 5399 states and 8018 transitions. [2021-11-13 02:28:29,409 INFO L78 Accepts]: Start accepts. Automaton has 5399 states and 8018 transitions. Word has length 17 [2021-11-13 02:28:29,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:28:29,411 INFO L470 AbstractCegarLoop]: Abstraction has 5399 states and 8018 transitions. [2021-11-13 02:28:29,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 02:28:29,412 INFO L276 IsEmpty]: Start isEmpty. Operand 5399 states and 8018 transitions. [2021-11-13 02:28:29,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-13 02:28:29,441 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:28:29,442 INFO L514 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] [2021-11-13 02:28:29,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-13 02:28:29,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:28:29,643 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:28:29,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:28:29,644 INFO L85 PathProgramCache]: Analyzing trace with hash -724110025, now seen corresponding path program 1 times [2021-11-13 02:28:29,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:28:29,653 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1609941419] [2021-11-13 02:28:29,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:28:29,656 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:28:29,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:28:29,658 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:28:29,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 02:28:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:28:34,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 1588 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 02:28:34,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:28:35,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:28:35,765 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:28:36,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:28:36,576 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:28:36,577 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1609941419] [2021-11-13 02:28:36,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1609941419] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:28:36,577 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:28:36,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-13 02:28:36,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23496542] [2021-11-13 02:28:36,578 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:28:36,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 02:28:36,580 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:28:36,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 02:28:36,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 02:28:36,581 INFO L87 Difference]: Start difference. First operand 5399 states and 8018 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-13 02:28:37,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:28:37,321 INFO L93 Difference]: Finished difference Result 10703 states and 15909 transitions. [2021-11-13 02:28:37,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:28:37,322 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 54 [2021-11-13 02:28:37,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:28:37,373 INFO L225 Difference]: With dead ends: 10703 [2021-11-13 02:28:37,373 INFO L226 Difference]: Without dead ends: 5399 [2021-11-13 02:28:37,397 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-13 02:28:37,399 INFO L933 BasicCegarLoop]: 4031 mSDtfsCounter, 1 mSDsluCounter, 16112 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 270.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 20143 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 33.05ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 273.53ms IncrementalHoareTripleChecker+Time [2021-11-13 02:28:37,399 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 20143 Invalid, 15 Unknown, 0 Unchecked, 33.05ms Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 273.53ms Time] [2021-11-13 02:28:37,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5399 states. [2021-11-13 02:28:37,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5399 to 5399. [2021-11-13 02:28:37,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5399 states, 3956 states have (on average 1.3961071789686552) internal successors, (5523), 4121 states have internal predecessors, (5523), 1248 states have call successors, (1248), 195 states have call predecessors, (1248), 194 states have return successors, (1246), 1206 states have call predecessors, (1246), 1246 states have call successors, (1246) [2021-11-13 02:28:37,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5399 states to 5399 states and 8017 transitions. [2021-11-13 02:28:37,689 INFO L78 Accepts]: Start accepts. Automaton has 5399 states and 8017 transitions. Word has length 54 [2021-11-13 02:28:37,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:28:37,693 INFO L470 AbstractCegarLoop]: Abstraction has 5399 states and 8017 transitions. [2021-11-13 02:28:37,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-13 02:28:37,694 INFO L276 IsEmpty]: Start isEmpty. Operand 5399 states and 8017 transitions. [2021-11-13 02:28:37,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-13 02:28:37,704 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:28:37,704 INFO L514 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] [2021-11-13 02:28:37,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-13 02:28:37,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:28:37,921 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:28:37,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:28:37,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1735445289, now seen corresponding path program 1 times [2021-11-13 02:28:37,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:28:37,926 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1462003754] [2021-11-13 02:28:37,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:28:37,926 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:28:37,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:28:37,928 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:28:37,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-13 02:28:42,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:28:43,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 1691 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-13 02:28:43,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:28:45,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:28:45,100 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:28:47,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:28:47,300 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:28:47,300 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1462003754] [2021-11-13 02:28:47,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1462003754] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:28:47,301 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:28:47,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-13 02:28:47,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192450734] [2021-11-13 02:28:47,302 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:28:47,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 02:28:47,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:28:47,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 02:28:47,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-13 02:28:47,304 INFO L87 Difference]: Start difference. First operand 5399 states and 8017 transitions. Second operand has 10 states, 10 states have (on average 7.0) internal successors, (70), 8 states have internal predecessors, (70), 2 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-13 02:28:51,073 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:29:22,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:29:22,104 INFO L93 Difference]: Finished difference Result 21523 states and 31998 transitions. [2021-11-13 02:29:22,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 02:29:22,106 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 8 states have internal predecessors, (70), 2 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 61 [2021-11-13 02:29:22,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:29:22,263 INFO L225 Difference]: With dead ends: 21523 [2021-11-13 02:29:22,264 INFO L226 Difference]: Without dead ends: 16128 [2021-11-13 02:29:22,303 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2021-11-13 02:29:22,305 INFO L933 BasicCegarLoop]: 11272 mSDtfsCounter, 8221 mSDsluCounter, 63115 mSDsCounter, 0 mSdLazyCounter, 1290 mSolverCounterSat, 713 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30764.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8232 SdHoareTripleChecker+Valid, 74387 SdHoareTripleChecker+Invalid, 2004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 183.30ms SdHoareTripleChecker+Time, 713 IncrementalHoareTripleChecker+Valid, 1290 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32443.08ms IncrementalHoareTripleChecker+Time [2021-11-13 02:29:22,305 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8232 Valid, 74387 Invalid, 2004 Unknown, 0 Unchecked, 183.30ms Time], IncrementalHoareTripleChecker [713 Valid, 1290 Invalid, 1 Unknown, 0 Unchecked, 32443.08ms Time] [2021-11-13 02:29:22,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16128 states. [2021-11-13 02:29:23,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16128 to 16102. [2021-11-13 02:29:23,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16102 states, 11791 states have (on average 1.3966584683232974) internal successors, (16468), 12281 states have internal predecessors, (16468), 3731 states have call successors, (3731), 578 states have call predecessors, (3731), 579 states have return successors, (3736), 3608 states have call predecessors, (3736), 3729 states have call successors, (3736) [2021-11-13 02:29:23,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16102 states to 16102 states and 23935 transitions. [2021-11-13 02:29:23,398 INFO L78 Accepts]: Start accepts. Automaton has 16102 states and 23935 transitions. Word has length 61 [2021-11-13 02:29:23,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:29:23,400 INFO L470 AbstractCegarLoop]: Abstraction has 16102 states and 23935 transitions. [2021-11-13 02:29:23,401 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 8 states have internal predecessors, (70), 2 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-13 02:29:23,402 INFO L276 IsEmpty]: Start isEmpty. Operand 16102 states and 23935 transitions. [2021-11-13 02:29:23,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-13 02:29:23,412 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:29:23,412 INFO L514 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] [2021-11-13 02:29:23,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-13 02:29:23,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:29:23,633 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:29:23,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:29:23,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1755782664, now seen corresponding path program 1 times [2021-11-13 02:29:23,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:29:23,643 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1085905240] [2021-11-13 02:29:23,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:29:23,643 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:29:23,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:29:23,645 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:29:23,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-13 02:29:28,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:29:28,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 1695 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 02:29:28,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:29:29,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:29:29,833 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:29:30,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:29:30,749 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:29:30,749 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1085905240] [2021-11-13 02:29:30,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1085905240] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:29:30,749 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:29:30,749 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-13 02:29:30,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017414914] [2021-11-13 02:29:30,750 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:29:30,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 02:29:30,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:29:30,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 02:29:30,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-13 02:29:30,751 INFO L87 Difference]: Start difference. First operand 16102 states and 23935 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-13 02:29:39,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:29:39,678 INFO L93 Difference]: Finished difference Result 33348 states and 50566 transitions. [2021-11-13 02:29:39,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 02:29:39,679 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 61 [2021-11-13 02:29:39,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:29:39,867 INFO L225 Difference]: With dead ends: 33348 [2021-11-13 02:29:39,867 INFO L226 Difference]: Without dead ends: 25302 [2021-11-13 02:29:39,935 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-13 02:29:39,938 INFO L933 BasicCegarLoop]: 5959 mSDtfsCounter, 5676 mSDsluCounter, 26469 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 1084 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7179.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5946 SdHoareTripleChecker+Valid, 32428 SdHoareTripleChecker+Invalid, 1382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 61.01ms SdHoareTripleChecker+Time, 1084 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7604.57ms IncrementalHoareTripleChecker+Time [2021-11-13 02:29:39,940 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5946 Valid, 32428 Invalid, 1382 Unknown, 0 Unchecked, 61.01ms Time], IncrementalHoareTripleChecker [1084 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 7604.57ms Time] [2021-11-13 02:29:39,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25302 states. [2021-11-13 02:29:41,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25302 to 16111. [2021-11-13 02:29:41,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16111 states, 11800 states have (on average 1.3963559322033898) internal successors, (16477), 12290 states have internal predecessors, (16477), 3731 states have call successors, (3731), 578 states have call predecessors, (3731), 579 states have return successors, (3736), 3608 states have call predecessors, (3736), 3729 states have call successors, (3736) [2021-11-13 02:29:41,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16111 states to 16111 states and 23944 transitions. [2021-11-13 02:29:41,708 INFO L78 Accepts]: Start accepts. Automaton has 16111 states and 23944 transitions. Word has length 61 [2021-11-13 02:29:41,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:29:41,711 INFO L470 AbstractCegarLoop]: Abstraction has 16111 states and 23944 transitions. [2021-11-13 02:29:41,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-13 02:29:41,711 INFO L276 IsEmpty]: Start isEmpty. Operand 16111 states and 23944 transitions. [2021-11-13 02:29:41,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-13 02:29:41,725 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:29:41,725 INFO L514 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] [2021-11-13 02:29:41,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-13 02:29:41,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:29:41,949 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:29:41,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:29:41,950 INFO L85 PathProgramCache]: Analyzing trace with hash -205695727, now seen corresponding path program 1 times [2021-11-13 02:29:41,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:29:41,957 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [143944207] [2021-11-13 02:29:41,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:29:41,957 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:29:41,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:29:41,958 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:29:41,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-13 02:29:47,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:29:47,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 1702 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 02:29:47,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:29:49,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:29:49,286 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:29:50,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:29:50,606 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:29:50,606 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [143944207] [2021-11-13 02:29:50,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [143944207] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:29:50,606 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:29:50,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2021-11-13 02:29:50,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900764023] [2021-11-13 02:29:50,606 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:29:50,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 02:29:50,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:29:50,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 02:29:50,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:29:50,608 INFO L87 Difference]: Start difference. First operand 16111 states and 23944 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2021-11-13 02:29:54,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:29:54,671 INFO L93 Difference]: Finished difference Result 32011 states and 47780 transitions. [2021-11-13 02:29:54,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 02:29:54,672 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 65 [2021-11-13 02:29:54,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:29:54,753 INFO L225 Difference]: With dead ends: 32011 [2021-11-13 02:29:54,753 INFO L226 Difference]: Without dead ends: 15991 [2021-11-13 02:29:54,811 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:29:54,812 INFO L933 BasicCegarLoop]: 3829 mSDtfsCounter, 6516 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 1332 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3078.87ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6516 SdHoareTripleChecker+Valid, 3829 SdHoareTripleChecker+Invalid, 1419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.55ms SdHoareTripleChecker+Time, 1332 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3539.33ms IncrementalHoareTripleChecker+Time [2021-11-13 02:29:54,813 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6516 Valid, 3829 Invalid, 1419 Unknown, 0 Unchecked, 15.55ms Time], IncrementalHoareTripleChecker [1332 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 3539.33ms Time] [2021-11-13 02:29:54,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15991 states. [2021-11-13 02:29:55,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15991 to 15991. [2021-11-13 02:29:55,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15991 states, 11698 states have (on average 1.3523679261412207) internal successors, (15820), 12182 states have internal predecessors, (15820), 3719 states have call successors, (3719), 572 states have call predecessors, (3719), 573 states have return successors, (3724), 3596 states have call predecessors, (3724), 3717 states have call successors, (3724) [2021-11-13 02:29:55,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15991 states to 15991 states and 23263 transitions. [2021-11-13 02:29:55,788 INFO L78 Accepts]: Start accepts. Automaton has 15991 states and 23263 transitions. Word has length 65 [2021-11-13 02:29:55,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:29:55,788 INFO L470 AbstractCegarLoop]: Abstraction has 15991 states and 23263 transitions. [2021-11-13 02:29:55,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2021-11-13 02:29:55,789 INFO L276 IsEmpty]: Start isEmpty. Operand 15991 states and 23263 transitions. [2021-11-13 02:29:55,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-13 02:29:55,799 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:29:55,799 INFO L514 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] [2021-11-13 02:29:55,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-13 02:29:56,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:29:56,018 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:29:56,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:29:56,018 INFO L85 PathProgramCache]: Analyzing trace with hash -143656113, now seen corresponding path program 1 times [2021-11-13 02:29:56,023 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:29:56,023 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [367734861] [2021-11-13 02:29:56,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:29:56,023 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:29:56,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:29:56,025 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:29:56,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-13 02:30:00,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:30:01,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 1702 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 02:30:01,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:30:03,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:30:03,146 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:30:05,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:30:05,185 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:30:05,185 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [367734861] [2021-11-13 02:30:05,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [367734861] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:30:05,185 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:30:05,186 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 4 [2021-11-13 02:30:05,186 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199514692] [2021-11-13 02:30:05,186 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:30:05,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 02:30:05,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:30:05,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 02:30:05,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:30:05,188 INFO L87 Difference]: Start difference. First operand 15991 states and 23263 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-13 02:30:07,502 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:30:09,766 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:30:59,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:30:59,940 INFO L93 Difference]: Finished difference Result 16007 states and 23277 transitions. [2021-11-13 02:30:59,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:30:59,942 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 65 [2021-11-13 02:30:59,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:31:00,004 INFO L225 Difference]: With dead ends: 16007 [2021-11-13 02:31:00,004 INFO L226 Difference]: Without dead ends: 10687 [2021-11-13 02:31:00,024 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:31:00,025 INFO L933 BasicCegarLoop]: 7788 mSDtfsCounter, 7743 mSDsluCounter, 5294 mSDsCounter, 0 mSdLazyCounter, 2507 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51484.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7743 SdHoareTripleChecker+Valid, 13082 SdHoareTripleChecker+Invalid, 2511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 50.45ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2507 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54028.88ms IncrementalHoareTripleChecker+Time [2021-11-13 02:31:00,025 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7743 Valid, 13082 Invalid, 2511 Unknown, 0 Unchecked, 50.45ms Time], IncrementalHoareTripleChecker [2 Valid, 2507 Invalid, 2 Unknown, 0 Unchecked, 54028.88ms Time] [2021-11-13 02:31:00,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10687 states. [2021-11-13 02:31:00,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10687 to 10679. [2021-11-13 02:31:00,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10679 states, 7813 states have (on average 1.3518494816331754) internal successors, (10562), 8136 states have internal predecessors, (10562), 2482 states have call successors, (2482), 383 states have call predecessors, (2482), 383 states have return successors, (2485), 2399 states have call predecessors, (2485), 2480 states have call successors, (2485) [2021-11-13 02:31:00,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10679 states to 10679 states and 15529 transitions. [2021-11-13 02:31:00,640 INFO L78 Accepts]: Start accepts. Automaton has 10679 states and 15529 transitions. Word has length 65 [2021-11-13 02:31:00,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:31:00,643 INFO L470 AbstractCegarLoop]: Abstraction has 10679 states and 15529 transitions. [2021-11-13 02:31:00,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-13 02:31:00,643 INFO L276 IsEmpty]: Start isEmpty. Operand 10679 states and 15529 transitions. [2021-11-13 02:31:00,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-13 02:31:00,656 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:31:00,656 INFO L514 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] [2021-11-13 02:31:00,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-13 02:31:00,869 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:31:00,869 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:31:00,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:31:00,869 INFO L85 PathProgramCache]: Analyzing trace with hash 49835295, now seen corresponding path program 1 times [2021-11-13 02:31:00,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:31:00,873 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [402052000] [2021-11-13 02:31:00,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:31:00,873 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:31:00,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:31:00,874 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:31:00,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-13 02:31:05,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:31:06,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 1719 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 02:31:06,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:31:07,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:31:07,953 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:31:09,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:31:09,493 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:31:09,493 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [402052000] [2021-11-13 02:31:09,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [402052000] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:31:09,494 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:31:09,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-13 02:31:09,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243420901] [2021-11-13 02:31:09,494 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:31:09,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 02:31:09,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:31:09,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 02:31:09,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:31:09,495 INFO L87 Difference]: Start difference. First operand 10679 states and 15529 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 5 states have internal predecessors, (107), 4 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2021-11-13 02:31:11,748 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 02:32:22,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:32:22,617 INFO L93 Difference]: Finished difference Result 26467 states and 38520 transitions. [2021-11-13 02:32:22,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:32:22,619 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 5 states have internal predecessors, (107), 4 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 73 [2021-11-13 02:32:22,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:32:22,696 INFO L225 Difference]: With dead ends: 26467 [2021-11-13 02:32:22,697 INFO L226 Difference]: Without dead ends: 15942 [2021-11-13 02:32:22,733 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 02:32:22,734 INFO L933 BasicCegarLoop]: 7801 mSDtfsCounter, 7767 mSDsluCounter, 7969 mSDsCounter, 0 mSdLazyCounter, 3744 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 70389.03ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7767 SdHoareTripleChecker+Valid, 15770 SdHoareTripleChecker+Invalid, 3752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 56.56ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 3744 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 72075.97ms IncrementalHoareTripleChecker+Time [2021-11-13 02:32:22,734 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7767 Valid, 15770 Invalid, 3752 Unknown, 0 Unchecked, 56.56ms Time], IncrementalHoareTripleChecker [7 Valid, 3744 Invalid, 1 Unknown, 0 Unchecked, 72075.97ms Time] [2021-11-13 02:32:22,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15942 states. [2021-11-13 02:32:23,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15942 to 15934. [2021-11-13 02:32:23,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15934 states, 11656 states have (on average 1.3522649279341112) internal successors, (15762), 12137 states have internal predecessors, (15762), 3707 states have call successors, (3707), 570 states have call predecessors, (3707), 570 states have return successors, (3710), 3583 states have call predecessors, (3710), 3705 states have call successors, (3710) [2021-11-13 02:32:23,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15934 states to 15934 states and 23179 transitions. [2021-11-13 02:32:23,948 INFO L78 Accepts]: Start accepts. Automaton has 15934 states and 23179 transitions. Word has length 73 [2021-11-13 02:32:23,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:32:23,949 INFO L470 AbstractCegarLoop]: Abstraction has 15934 states and 23179 transitions. [2021-11-13 02:32:23,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 5 states have internal predecessors, (107), 4 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2021-11-13 02:32:23,950 INFO L276 IsEmpty]: Start isEmpty. Operand 15934 states and 23179 transitions. [2021-11-13 02:32:23,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-13 02:32:23,976 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:32:23,976 INFO L514 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] [2021-11-13 02:32:24,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-13 02:32:24,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:32:24,193 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:32:24,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:32:24,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1405702881, now seen corresponding path program 1 times [2021-11-13 02:32:24,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:32:24,199 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [59099001] [2021-11-13 02:32:24,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:32:24,199 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:32:24,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:32:24,201 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:32:24,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-13 02:32:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 02:32:29,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 1756 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 02:32:29,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 02:32:31,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:32:31,238 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 02:32:32,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 02:32:32,596 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 02:32:32,596 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [59099001] [2021-11-13 02:32:32,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [59099001] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 02:32:32,596 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 02:32:32,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-13 02:32:32,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939808437] [2021-11-13 02:32:32,596 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 02:32:32,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 02:32:32,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 02:32:32,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 02:32:32,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:32:32,598 INFO L87 Difference]: Start difference. First operand 15934 states and 23179 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 4 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2021-11-13 02:32:38,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 02:32:38,807 INFO L93 Difference]: Finished difference Result 43494 states and 64353 transitions. [2021-11-13 02:32:38,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 02:32:38,809 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 4 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 77 [2021-11-13 02:32:38,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 02:32:38,957 INFO L225 Difference]: With dead ends: 43494 [2021-11-13 02:32:38,958 INFO L226 Difference]: Without dead ends: 27726 [2021-11-13 02:32:39,014 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 02:32:39,015 INFO L933 BasicCegarLoop]: 4516 mSDtfsCounter, 2099 mSDsluCounter, 8463 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4860.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2606 SdHoareTripleChecker+Valid, 12979 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.68ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5026.71ms IncrementalHoareTripleChecker+Time [2021-11-13 02:32:39,015 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2606 Valid, 12979 Invalid, 267 Unknown, 0 Unchecked, 20.68ms Time], IncrementalHoareTripleChecker [6 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 5026.71ms Time] [2021-11-13 02:32:39,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27726 states. [2021-11-13 02:32:41,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27726 to 27706. [2021-11-13 02:32:41,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27706 states, 20524 states have (on average 1.3693237185733775) internal successors, (28104), 21365 states have internal predecessors, (28104), 6611 states have call successors, (6611), 570 states have call predecessors, (6611), 570 states have return successors, (6622), 6427 states have call predecessors, (6622), 6609 states have call successors, (6622) [2021-11-13 02:32:41,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27706 states to 27706 states and 41337 transitions. [2021-11-13 02:32:41,215 INFO L78 Accepts]: Start accepts. Automaton has 27706 states and 41337 transitions. Word has length 77 [2021-11-13 02:32:41,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 02:32:41,216 INFO L470 AbstractCegarLoop]: Abstraction has 27706 states and 41337 transitions. [2021-11-13 02:32:41,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 4 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2021-11-13 02:32:41,216 INFO L276 IsEmpty]: Start isEmpty. Operand 27706 states and 41337 transitions. [2021-11-13 02:32:41,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-13 02:32:41,236 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 02:32:41,237 INFO L514 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] [2021-11-13 02:32:41,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-13 02:32:41,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 02:32:41,453 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 02:32:41,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 02:32:41,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1461524583, now seen corresponding path program 1 times [2021-11-13 02:32:41,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 02:32:41,459 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1443400512] [2021-11-13 02:32:41,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 02:32:41,459 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 02:32:41,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 02:32:41,461 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 02:32:41,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_461b126b-24f2-4349-8fa7-477a2f913a28/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process