./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P --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 410663f06ff647e412b04b4e33dc5a0aa773139e9be33f59003b35b6e81927a8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:32:39,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:32:39,329 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:32:39,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:32:39,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:32:39,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:32:39,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:32:39,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:32:39,379 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:32:39,386 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:32:39,388 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:32:39,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:32:39,391 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:32:39,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:32:39,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:32:39,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:32:39,403 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:32:39,404 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:32:39,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:32:39,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:32:39,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:32:39,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:32:39,422 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:32:39,423 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:32:39,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:32:39,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:32:39,433 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:32:39,435 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:32:39,435 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:32:39,437 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:32:39,438 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:32:39,439 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:32:39,440 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:32:39,442 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:32:39,443 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:32:39,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:32:39,444 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:32:39,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:32:39,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:32:39,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:32:39,447 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:32:39,448 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-20 23:32:39,496 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:32:39,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:32:39,497 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:32:39,498 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:32:39,505 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:32:39,505 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:32:39,505 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:32:39,506 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:32:39,506 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:32:39,506 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:32:39,507 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:32:39,507 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:32:39,508 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:32:39,508 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:32:39,508 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:32:39,508 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:32:39,509 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:32:39,509 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:32:39,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:32:39,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:32:39,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:32:39,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:32:39,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:32:39,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:32:39,511 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:32:39,511 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:32:39,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:32:39,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:32:39,512 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:32:39,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:32:39,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:32:39,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:32:39,513 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:32:39,514 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:32:39,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:32:39,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:32:39,514 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:32:39,515 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:32:39,515 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_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 410663f06ff647e412b04b4e33dc5a0aa773139e9be33f59003b35b6e81927a8 [2021-11-20 23:32:39,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:32:39,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:32:39,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:32:39,817 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:32:39,817 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:32:39,819 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2021-11-20 23:32:39,914 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/data/6a1d702b2/a241c68a576b4fcd8e1a703f9453a6c0/FLAG3132a9e67 [2021-11-20 23:32:40,632 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:32:40,632 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2021-11-20 23:32:40,660 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/data/6a1d702b2/a241c68a576b4fcd8e1a703f9453a6c0/FLAG3132a9e67 [2021-11-20 23:32:40,732 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/data/6a1d702b2/a241c68a576b4fcd8e1a703f9453a6c0 [2021-11-20 23:32:40,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:32:40,735 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:32:40,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:32:40,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:32:40,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:32:40,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:32:40" (1/1) ... [2021-11-20 23:32:40,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@668bc3c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:40, skipping insertion in model container [2021-11-20 23:32:40,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:32:40" (1/1) ... [2021-11-20 23:32:40,750 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:32:40,839 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:32:41,786 WARN L230 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_397b0139-c9e6-43b8-890e-2bf4ab34ad66/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i[108133,108146] [2021-11-20 23:32:41,849 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:32:41,880 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:32:42,130 WARN L230 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_397b0139-c9e6-43b8-890e-2bf4ab34ad66/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i[108133,108146] [2021-11-20 23:32:42,159 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:32:42,216 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:32:42,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:42 WrapperNode [2021-11-20 23:32:42,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:32:42,218 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:32:42,218 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:32:42,218 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:32:42,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:42" (1/1) ... [2021-11-20 23:32:42,296 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:42" (1/1) ... [2021-11-20 23:32:42,368 INFO L137 Inliner]: procedures = 131, calls = 529, calls flagged for inlining = 47, calls inlined = 39, statements flattened = 1088 [2021-11-20 23:32:42,368 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:32:42,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:32:42,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:32:42,369 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:32:42,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:42" (1/1) ... [2021-11-20 23:32:42,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:42" (1/1) ... [2021-11-20 23:32:42,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:42" (1/1) ... [2021-11-20 23:32:42,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:42" (1/1) ... [2021-11-20 23:32:42,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:42" (1/1) ... [2021-11-20 23:32:42,493 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:42" (1/1) ... [2021-11-20 23:32:42,501 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:42" (1/1) ... [2021-11-20 23:32:42,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:32:42,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:32:42,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:32:42,517 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:32:42,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:42" (1/1) ... [2021-11-20 23:32:42,540 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:32:42,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:32:42,562 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:32:42,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:32:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2021-11-20 23:32:42,606 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2021-11-20 23:32:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2021-11-20 23:32:42,606 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2021-11-20 23:32:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2021-11-20 23:32:42,606 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2021-11-20 23:32:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2021-11-20 23:32:42,607 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2021-11-20 23:32:42,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:32:42,607 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2021-11-20 23:32:42,607 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2021-11-20 23:32:42,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 23:32:42,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 23:32:42,607 INFO L130 BoogieDeclarations]: Found specification of procedure pg_sleep [2021-11-20 23:32:42,608 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_sleep [2021-11-20 23:32:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure pg_completion [2021-11-20 23:32:42,608 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_completion [2021-11-20 23:32:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:32:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-20 23:32:42,608 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-20 23:32:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-20 23:32:42,608 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-20 23:32:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure pg_wait [2021-11-20 23:32:42,609 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_wait [2021-11-20 23:32:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-20 23:32:42,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-20 23:32:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 23:32:42,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 23:32:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-20 23:32:42,609 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-20 23:32:42,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:32:42,610 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-20 23:32:42,610 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-20 23:32:42,610 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-20 23:32:42,610 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-20 23:32:42,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:32:42,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_11 [2021-11-20 23:32:42,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_11 [2021-11-20 23:32:42,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:32:42,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:32:42,611 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2021-11-20 23:32:42,611 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2021-11-20 23:32:42,611 INFO L130 BoogieDeclarations]: Found specification of procedure pg_write [2021-11-20 23:32:42,611 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_write [2021-11-20 23:32:42,611 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 23:32:42,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:32:42,612 INFO L130 BoogieDeclarations]: Found specification of procedure pg_reset [2021-11-20 23:32:42,612 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_reset [2021-11-20 23:32:42,612 INFO L130 BoogieDeclarations]: Found specification of procedure pg_identify [2021-11-20 23:32:42,613 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_identify [2021-11-20 23:32:42,614 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2021-11-20 23:32:42,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2021-11-20 23:32:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:32:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 23:32:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2021-11-20 23:32:42,616 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2021-11-20 23:32:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2021-11-20 23:32:42,616 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2021-11-20 23:32:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-20 23:32:42,617 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-20 23:32:42,617 INFO L130 BoogieDeclarations]: Found specification of procedure pg_probe [2021-11-20 23:32:42,617 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_probe [2021-11-20 23:32:42,617 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2021-11-20 23:32:42,617 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2021-11-20 23:32:42,617 INFO L130 BoogieDeclarations]: Found specification of procedure pg_command [2021-11-20 23:32:42,617 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_command [2021-11-20 23:32:42,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:32:42,618 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-20 23:32:42,618 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-20 23:32:42,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:32:42,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:32:42,618 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2021-11-20 23:32:42,618 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2021-11-20 23:32:43,012 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:32:43,021 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:32:44,493 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:32:44,711 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:32:44,712 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 23:32:44,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:32:44 BoogieIcfgContainer [2021-11-20 23:32:44,715 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:32:44,717 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:32:44,717 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:32:44,721 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:32:44,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:32:40" (1/3) ... [2021-11-20 23:32:44,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35efe998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:32:44, skipping insertion in model container [2021-11-20 23:32:44,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:42" (2/3) ... [2021-11-20 23:32:44,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35efe998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:32:44, skipping insertion in model container [2021-11-20 23:32:44,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:32:44" (3/3) ... [2021-11-20 23:32:44,724 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2021-11-20 23:32:44,730 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:32:44,730 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 23:32:44,781 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:32:44,786 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 [2021-11-20 23:32:44,786 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 23:32:44,815 INFO L276 IsEmpty]: Start isEmpty. Operand has 337 states, 219 states have (on average 1.4155251141552512) internal successors, (310), 229 states have internal predecessors, (310), 86 states have call successors, (86), 30 states have call predecessors, (86), 30 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2021-11-20 23:32:44,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-20 23:32:44,822 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:32:44,823 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:32:44,823 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:32:44,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:32:44,830 INFO L85 PathProgramCache]: Analyzing trace with hash 42059501, now seen corresponding path program 1 times [2021-11-20 23:32:44,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:32:44,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122761327] [2021-11-20 23:32:44,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:32:44,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:32:45,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:32:45,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:32:45,185 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:32:45,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122761327] [2021-11-20 23:32:45,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122761327] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:32:45,187 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:32:45,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:32:45,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505232002] [2021-11-20 23:32:45,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:32:45,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:32:45,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:32:45,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:32:45,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:32:45,240 INFO L87 Difference]: Start difference. First operand has 337 states, 219 states have (on average 1.4155251141552512) internal successors, (310), 229 states have internal predecessors, (310), 86 states have call successors, (86), 30 states have call predecessors, (86), 30 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:32:45,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:32:45,855 INFO L93 Difference]: Finished difference Result 876 states and 1249 transitions. [2021-11-20 23:32:45,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:32:45,858 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-20 23:32:45,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:32:45,886 INFO L225 Difference]: With dead ends: 876 [2021-11-20 23:32:45,887 INFO L226 Difference]: Without dead ends: 536 [2021-11-20 23:32:45,908 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:32:45,912 INFO L933 BasicCegarLoop]: 508 mSDtfsCounter, 287 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 889 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-20 23:32:45,925 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [287 Valid, 889 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-20 23:32:45,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2021-11-20 23:32:46,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 522. [2021-11-20 23:32:46,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 337 states have (on average 1.3857566765578635) internal successors, (467), 347 states have internal predecessors, (467), 136 states have call successors, (136), 49 states have call predecessors, (136), 48 states have return successors, (130), 130 states have call predecessors, (130), 130 states have call successors, (130) [2021-11-20 23:32:46,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 733 transitions. [2021-11-20 23:32:46,104 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 733 transitions. Word has length 13 [2021-11-20 23:32:46,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:32:46,104 INFO L470 AbstractCegarLoop]: Abstraction has 522 states and 733 transitions. [2021-11-20 23:32:46,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:32:46,105 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 733 transitions. [2021-11-20 23:32:46,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-20 23:32:46,106 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:32:46,106 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:32:46,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 23:32:46,107 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:32:46,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:32:46,108 INFO L85 PathProgramCache]: Analyzing trace with hash 911119646, now seen corresponding path program 1 times [2021-11-20 23:32:46,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:32:46,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585858523] [2021-11-20 23:32:46,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:32:46,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:32:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:32:46,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:32:46,217 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:32:46,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585858523] [2021-11-20 23:32:46,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585858523] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:32:46,218 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:32:46,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:32:46,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146001520] [2021-11-20 23:32:46,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:32:46,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:32:46,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:32:46,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:32:46,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:32:46,221 INFO L87 Difference]: Start difference. First operand 522 states and 733 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:32:46,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:32:46,444 INFO L93 Difference]: Finished difference Result 1043 states and 1465 transitions. [2021-11-20 23:32:46,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:32:46,445 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-20 23:32:46,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:32:46,452 INFO L225 Difference]: With dead ends: 1043 [2021-11-20 23:32:46,452 INFO L226 Difference]: Without dead ends: 522 [2021-11-20 23:32:46,457 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:32:46,458 INFO L933 BasicCegarLoop]: 400 mSDtfsCounter, 464 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:32:46,459 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [464 Valid, 400 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 23:32:46,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2021-11-20 23:32:46,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 522. [2021-11-20 23:32:46,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 337 states have (on average 1.3798219584569733) internal successors, (465), 347 states have internal predecessors, (465), 136 states have call successors, (136), 49 states have call predecessors, (136), 48 states have return successors, (130), 130 states have call predecessors, (130), 130 states have call successors, (130) [2021-11-20 23:32:46,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 731 transitions. [2021-11-20 23:32:46,516 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 731 transitions. Word has length 15 [2021-11-20 23:32:46,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:32:46,516 INFO L470 AbstractCegarLoop]: Abstraction has 522 states and 731 transitions. [2021-11-20 23:32:46,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:32:46,517 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 731 transitions. [2021-11-20 23:32:46,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-20 23:32:46,518 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:32:46,518 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:32:46,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 23:32:46,519 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:32:46,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:32:46,519 INFO L85 PathProgramCache]: Analyzing trace with hash -648560382, now seen corresponding path program 1 times [2021-11-20 23:32:46,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:32:46,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089643609] [2021-11-20 23:32:46,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:32:46,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:32:46,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:32:46,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:32:46,636 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:32:46,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089643609] [2021-11-20 23:32:46,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089643609] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:32:46,637 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:32:46,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:32:46,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758444074] [2021-11-20 23:32:46,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:32:46,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:32:46,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:32:46,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:32:46,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:32:46,639 INFO L87 Difference]: Start difference. First operand 522 states and 731 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 23:32:46,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:32:46,970 INFO L93 Difference]: Finished difference Result 1190 states and 1653 transitions. [2021-11-20 23:32:46,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:32:46,971 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2021-11-20 23:32:46,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:32:46,977 INFO L225 Difference]: With dead ends: 1190 [2021-11-20 23:32:46,977 INFO L226 Difference]: Without dead ends: 669 [2021-11-20 23:32:46,980 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:32:46,981 INFO L933 BasicCegarLoop]: 492 mSDtfsCounter, 273 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 810 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:32:46,982 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [273 Valid, 810 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-20 23:32:46,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2021-11-20 23:32:47,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 669. [2021-11-20 23:32:47,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 669 states, 425 states have (on average 1.3552941176470588) internal successors, (576), 437 states have internal predecessors, (576), 175 states have call successors, (175), 69 states have call predecessors, (175), 68 states have return successors, (169), 169 states have call predecessors, (169), 169 states have call successors, (169) [2021-11-20 23:32:47,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 920 transitions. [2021-11-20 23:32:47,058 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 920 transitions. Word has length 17 [2021-11-20 23:32:47,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:32:47,058 INFO L470 AbstractCegarLoop]: Abstraction has 669 states and 920 transitions. [2021-11-20 23:32:47,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 23:32:47,059 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 920 transitions. [2021-11-20 23:32:47,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-20 23:32:47,060 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:32:47,060 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:32:47,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 23:32:47,060 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:32:47,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:32:47,061 INFO L85 PathProgramCache]: Analyzing trace with hash 2088890360, now seen corresponding path program 1 times [2021-11-20 23:32:47,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:32:47,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387138999] [2021-11-20 23:32:47,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:32:47,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:32:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:32:47,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:32:47,121 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:32:47,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387138999] [2021-11-20 23:32:47,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387138999] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:32:47,122 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:32:47,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:32:47,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558596131] [2021-11-20 23:32:47,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:32:47,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:32:47,123 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:32:47,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:32:47,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:32:47,124 INFO L87 Difference]: Start difference. First operand 669 states and 920 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:32:47,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:32:47,439 INFO L93 Difference]: Finished difference Result 1334 states and 1836 transitions. [2021-11-20 23:32:47,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:32:47,440 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-20 23:32:47,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:32:47,445 INFO L225 Difference]: With dead ends: 1334 [2021-11-20 23:32:47,445 INFO L226 Difference]: Without dead ends: 675 [2021-11-20 23:32:47,448 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:32:47,449 INFO L933 BasicCegarLoop]: 402 mSDtfsCounter, 1 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 802 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:32:47,449 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 802 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-20 23:32:47,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2021-11-20 23:32:47,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 671. [2021-11-20 23:32:47,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 427 states have (on average 1.3536299765807962) internal successors, (578), 439 states have internal predecessors, (578), 175 states have call successors, (175), 69 states have call predecessors, (175), 68 states have return successors, (169), 169 states have call predecessors, (169), 169 states have call successors, (169) [2021-11-20 23:32:47,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 922 transitions. [2021-11-20 23:32:47,495 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 922 transitions. Word has length 19 [2021-11-20 23:32:47,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:32:47,496 INFO L470 AbstractCegarLoop]: Abstraction has 671 states and 922 transitions. [2021-11-20 23:32:47,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:32:47,496 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 922 transitions. [2021-11-20 23:32:47,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-20 23:32:47,498 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:32:47,498 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] [2021-11-20 23:32:47,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 23:32:47,498 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:32:47,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:32:47,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1695383953, now seen corresponding path program 1 times [2021-11-20 23:32:47,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:32:47,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426633483] [2021-11-20 23:32:47,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:32:47,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:32:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:32:47,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:32:47,574 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:32:47,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426633483] [2021-11-20 23:32:47,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426633483] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 23:32:47,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1963325495] [2021-11-20 23:32:47,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:32:47,575 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:32:47,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:32:47,577 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:32:47,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 23:32:47,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:32:47,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 23:32:47,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:32:47,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:32:47,959 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:32:47,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1963325495] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:32:47,959 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 23:32:47,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-11-20 23:32:47,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053824609] [2021-11-20 23:32:47,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:32:47,961 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:32:47,961 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:32:47,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:32:47,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:32:47,962 INFO L87 Difference]: Start difference. First operand 671 states and 922 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 23:32:48,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:32:48,165 INFO L93 Difference]: Finished difference Result 673 states and 923 transitions. [2021-11-20 23:32:48,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:32:48,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2021-11-20 23:32:48,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:32:48,170 INFO L225 Difference]: With dead ends: 673 [2021-11-20 23:32:48,171 INFO L226 Difference]: Without dead ends: 670 [2021-11-20 23:32:48,171 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:32:48,173 INFO L933 BasicCegarLoop]: 398 mSDtfsCounter, 449 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:32:48,173 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [449 Valid, 398 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 23:32:48,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2021-11-20 23:32:48,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 670. [2021-11-20 23:32:48,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 427 states have (on average 1.351288056206089) internal successors, (577), 438 states have internal predecessors, (577), 174 states have call successors, (174), 69 states have call predecessors, (174), 68 states have return successors, (169), 169 states have call predecessors, (169), 169 states have call successors, (169) [2021-11-20 23:32:48,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 920 transitions. [2021-11-20 23:32:48,251 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 920 transitions. Word has length 24 [2021-11-20 23:32:48,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:32:48,252 INFO L470 AbstractCegarLoop]: Abstraction has 670 states and 920 transitions. [2021-11-20 23:32:48,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 23:32:48,253 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 920 transitions. [2021-11-20 23:32:48,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-20 23:32:48,258 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:32:48,258 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] [2021-11-20 23:32:48,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 23:32:48,472 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:32:48,473 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:32:48,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:32:48,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1017544392, now seen corresponding path program 1 times [2021-11-20 23:32:48,473 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:32:48,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316102648] [2021-11-20 23:32:48,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:32:48,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:32:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:32:48,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:32:48,558 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:32:48,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316102648] [2021-11-20 23:32:48,559 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316102648] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 23:32:48,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60886174] [2021-11-20 23:32:48,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:32:48,559 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:32:48,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:32:48,566 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:32:48,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 23:32:48,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:32:48,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 782 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 23:32:48,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:32:48,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:32:48,931 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:32:48,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [60886174] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:32:48,934 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 23:32:48,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-11-20 23:32:48,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055202899] [2021-11-20 23:32:48,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:32:48,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:32:48,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:32:48,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:32:48,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:32:48,936 INFO L87 Difference]: Start difference. First operand 670 states and 920 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 23:32:49,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:32:49,133 INFO L93 Difference]: Finished difference Result 672 states and 921 transitions. [2021-11-20 23:32:49,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:32:49,134 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2021-11-20 23:32:49,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:32:49,139 INFO L225 Difference]: With dead ends: 672 [2021-11-20 23:32:49,139 INFO L226 Difference]: Without dead ends: 669 [2021-11-20 23:32:49,140 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:32:49,141 INFO L933 BasicCegarLoop]: 396 mSDtfsCounter, 446 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:32:49,142 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [446 Valid, 396 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 23:32:49,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2021-11-20 23:32:49,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 669. [2021-11-20 23:32:49,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 669 states, 427 states have (on average 1.3489461358313817) internal successors, (576), 437 states have internal predecessors, (576), 173 states have call successors, (173), 69 states have call predecessors, (173), 68 states have return successors, (169), 169 states have call predecessors, (169), 169 states have call successors, (169) [2021-11-20 23:32:49,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 918 transitions. [2021-11-20 23:32:49,188 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 918 transitions. Word has length 25 [2021-11-20 23:32:49,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:32:49,189 INFO L470 AbstractCegarLoop]: Abstraction has 669 states and 918 transitions. [2021-11-20 23:32:49,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 23:32:49,189 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 918 transitions. [2021-11-20 23:32:49,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-20 23:32:49,190 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:32:49,190 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] [2021-11-20 23:32:49,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 23:32:49,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:32:49,405 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:32:49,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:32:49,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1479349614, now seen corresponding path program 1 times [2021-11-20 23:32:49,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:32:49,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27389734] [2021-11-20 23:32:49,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:32:49,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:32:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:32:49,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:32:49,471 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:32:49,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27389734] [2021-11-20 23:32:49,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27389734] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 23:32:49,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924329176] [2021-11-20 23:32:49,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:32:49,472 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:32:49,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:32:49,473 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:32:49,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 23:32:49,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:32:49,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 784 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 23:32:49,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:32:49,827 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:32:49,827 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:32:49,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1924329176] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:32:49,828 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 23:32:49,828 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-11-20 23:32:49,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911910967] [2021-11-20 23:32:49,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:32:49,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:32:49,829 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:32:49,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:32:49,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:32:49,830 INFO L87 Difference]: Start difference. First operand 669 states and 918 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 23:32:50,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:32:50,055 INFO L93 Difference]: Finished difference Result 671 states and 919 transitions. [2021-11-20 23:32:50,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:32:50,055 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2021-11-20 23:32:50,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:32:50,060 INFO L225 Difference]: With dead ends: 671 [2021-11-20 23:32:50,061 INFO L226 Difference]: Without dead ends: 668 [2021-11-20 23:32:50,064 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:32:50,065 INFO L933 BasicCegarLoop]: 394 mSDtfsCounter, 443 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:32:50,065 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [443 Valid, 394 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 23:32:50,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2021-11-20 23:32:50,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 668. [2021-11-20 23:32:50,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 668 states, 427 states have (on average 1.3466042154566744) internal successors, (575), 436 states have internal predecessors, (575), 172 states have call successors, (172), 69 states have call predecessors, (172), 68 states have return successors, (169), 169 states have call predecessors, (169), 169 states have call successors, (169) [2021-11-20 23:32:50,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 916 transitions. [2021-11-20 23:32:50,124 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 916 transitions. Word has length 26 [2021-11-20 23:32:50,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:32:50,125 INFO L470 AbstractCegarLoop]: Abstraction has 668 states and 916 transitions. [2021-11-20 23:32:50,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 23:32:50,125 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 916 transitions. [2021-11-20 23:32:50,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-20 23:32:50,127 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:32:50,127 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] [2021-11-20 23:32:50,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 23:32:50,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-20 23:32:50,340 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:32:50,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:32:50,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1384562555, now seen corresponding path program 1 times [2021-11-20 23:32:50,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:32:50,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442805920] [2021-11-20 23:32:50,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:32:50,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:32:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:32:50,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:32:50,455 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:32:50,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442805920] [2021-11-20 23:32:50,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442805920] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 23:32:50,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [723979832] [2021-11-20 23:32:50,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:32:50,456 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:32:50,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:32:50,457 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:32:50,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 23:32:50,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:32:50,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 23:32:50,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:32:50,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:32:50,806 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:32:50,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [723979832] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:32:50,807 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 23:32:50,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-11-20 23:32:50,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084007693] [2021-11-20 23:32:50,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:32:50,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:32:50,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:32:50,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:32:50,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:32:50,809 INFO L87 Difference]: Start difference. First operand 668 states and 916 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 23:32:51,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:32:51,076 INFO L93 Difference]: Finished difference Result 783 states and 1066 transitions. [2021-11-20 23:32:51,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:32:51,077 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2021-11-20 23:32:51,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:32:51,084 INFO L225 Difference]: With dead ends: 783 [2021-11-20 23:32:51,084 INFO L226 Difference]: Without dead ends: 762 [2021-11-20 23:32:51,085 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:32:51,086 INFO L933 BasicCegarLoop]: 448 mSDtfsCounter, 407 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:32:51,087 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [407 Valid, 618 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 23:32:51,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2021-11-20 23:32:51,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 762. [2021-11-20 23:32:51,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 762 states, 478 states have (on average 1.3242677824267783) internal successors, (633), 487 states have internal predecessors, (633), 203 states have call successors, (203), 81 states have call predecessors, (203), 80 states have return successors, (202), 202 states have call predecessors, (202), 202 states have call successors, (202) [2021-11-20 23:32:51,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 1038 transitions. [2021-11-20 23:32:51,141 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 1038 transitions. Word has length 27 [2021-11-20 23:32:51,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:32:51,141 INFO L470 AbstractCegarLoop]: Abstraction has 762 states and 1038 transitions. [2021-11-20 23:32:51,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 23:32:51,142 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1038 transitions. [2021-11-20 23:32:51,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-20 23:32:51,148 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:32:51,148 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:32:51,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-20 23:32:51,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-11-20 23:32:51,373 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:32:51,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:32:51,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1869532518, now seen corresponding path program 1 times [2021-11-20 23:32:51,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:32:51,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584251810] [2021-11-20 23:32:51,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:32:51,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:32:51,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:32:51,486 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:32:51,487 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:32:51,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584251810] [2021-11-20 23:32:51,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584251810] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 23:32:51,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1016280403] [2021-11-20 23:32:51,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:32:51,488 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:32:51,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:32:51,489 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:32:51,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-20 23:32:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:32:51,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 978 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 23:32:51,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:32:51,912 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:32:51,913 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:32:51,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1016280403] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:32:51,913 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 23:32:51,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-20 23:32:51,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832052352] [2021-11-20 23:32:51,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:32:51,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:32:51,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:32:51,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:32:51,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:32:51,916 INFO L87 Difference]: Start difference. First operand 762 states and 1038 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 23:32:52,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:32:52,206 INFO L93 Difference]: Finished difference Result 1520 states and 2072 transitions. [2021-11-20 23:32:52,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:32:52,207 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 42 [2021-11-20 23:32:52,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:32:52,213 INFO L225 Difference]: With dead ends: 1520 [2021-11-20 23:32:52,213 INFO L226 Difference]: Without dead ends: 768 [2021-11-20 23:32:52,216 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:32:52,217 INFO L933 BasicCegarLoop]: 376 mSDtfsCounter, 4 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:32:52,217 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 747 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 23:32:52,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2021-11-20 23:32:52,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 764. [2021-11-20 23:32:52,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 764 states, 480 states have (on average 1.3229166666666667) internal successors, (635), 489 states have internal predecessors, (635), 203 states have call successors, (203), 81 states have call predecessors, (203), 80 states have return successors, (202), 202 states have call predecessors, (202), 202 states have call successors, (202) [2021-11-20 23:32:52,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 1040 transitions. [2021-11-20 23:32:52,274 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 1040 transitions. Word has length 42 [2021-11-20 23:32:52,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:32:52,274 INFO L470 AbstractCegarLoop]: Abstraction has 764 states and 1040 transitions. [2021-11-20 23:32:52,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 23:32:52,275 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1040 transitions. [2021-11-20 23:32:52,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-20 23:32:52,276 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:32:52,276 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:32:52,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-20 23:32:52,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-11-20 23:32:52,501 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:32:52,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:32:52,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1149100922, now seen corresponding path program 1 times [2021-11-20 23:32:52,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:32:52,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950346576] [2021-11-20 23:32:52,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:32:52,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:32:52,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:32:52,573 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:32:52,574 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:32:52,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950346576] [2021-11-20 23:32:52,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950346576] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 23:32:52,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [400159932] [2021-11-20 23:32:52,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:32:52,574 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:32:52,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:32:52,576 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:32:52,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-20 23:32:52,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:32:52,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 989 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 23:32:52,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:32:52,963 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 23:32:52,963 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:32:52,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [400159932] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:32:52,963 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 23:32:52,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-20 23:32:52,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470060020] [2021-11-20 23:32:52,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:32:52,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:32:52,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:32:52,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:32:52,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:32:52,965 INFO L87 Difference]: Start difference. First operand 764 states and 1040 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 23:32:53,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:32:53,271 INFO L93 Difference]: Finished difference Result 764 states and 1040 transitions. [2021-11-20 23:32:53,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:32:53,272 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2021-11-20 23:32:53,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:32:53,272 INFO L225 Difference]: With dead ends: 764 [2021-11-20 23:32:53,272 INFO L226 Difference]: Without dead ends: 0 [2021-11-20 23:32:53,275 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:32:53,276 INFO L933 BasicCegarLoop]: 500 mSDtfsCounter, 193 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 850 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:32:53,276 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 850 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-20 23:32:53,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-20 23:32:53,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-20 23:32:53,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 23:32:53,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-20 23:32:53,278 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2021-11-20 23:32:53,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:32:53,278 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 23:32:53,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 23:32:53,278 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-20 23:32:53,278 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-20 23:32:53,281 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 23:32:53,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-20 23:32:53,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-20 23:32:53,491 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-20 23:32:55,778 INFO L858 garLoopResultBuilder]: For program point L2977(line 2977) no Hoare annotation was computed. [2021-11-20 23:32:55,778 INFO L858 garLoopResultBuilder]: For program point L2971-1(line 2971) no Hoare annotation was computed. [2021-11-20 23:32:55,778 INFO L861 garLoopResultBuilder]: At program point L2971(line 2971) the Hoare annotation is: true [2021-11-20 23:32:55,778 INFO L858 garLoopResultBuilder]: For program point L2967(lines 2967 2978) no Hoare annotation was computed. [2021-11-20 23:32:55,778 INFO L858 garLoopResultBuilder]: For program point L2967-2(lines 2963 2979) no Hoare annotation was computed. [2021-11-20 23:32:55,778 INFO L858 garLoopResultBuilder]: For program point L2963(lines 2963 2979) no Hoare annotation was computed. [2021-11-20 23:32:55,779 INFO L861 garLoopResultBuilder]: At program point L2961-1(line 2961) the Hoare annotation is: true [2021-11-20 23:32:55,779 INFO L861 garLoopResultBuilder]: At program point L2961(line 2961) the Hoare annotation is: true [2021-11-20 23:32:55,779 INFO L861 garLoopResultBuilder]: At program point copy_from_userENTRY(lines 2951 2982) the Hoare annotation is: true [2021-11-20 23:32:55,779 INFO L858 garLoopResultBuilder]: For program point copy_from_userEXIT(lines 2951 2982) no Hoare annotation was computed. [2021-11-20 23:32:55,779 INFO L861 garLoopResultBuilder]: At program point L2972-2(lines 2972 2976) the Hoare annotation is: true [2021-11-20 23:32:55,779 INFO L861 garLoopResultBuilder]: At program point L2968(line 2968) the Hoare annotation is: true [2021-11-20 23:32:55,779 INFO L861 garLoopResultBuilder]: At program point L2966(line 2966) the Hoare annotation is: true [2021-11-20 23:32:55,779 INFO L858 garLoopResultBuilder]: For program point L2968-1(line 2968) no Hoare annotation was computed. [2021-11-20 23:32:55,779 INFO L861 garLoopResultBuilder]: At program point L2964(line 2964) the Hoare annotation is: true [2021-11-20 23:32:55,779 INFO L858 garLoopResultBuilder]: For program point L2966-1(line 2966) no Hoare annotation was computed. [2021-11-20 23:32:55,779 INFO L858 garLoopResultBuilder]: For program point L2962(line 2962) no Hoare annotation was computed. [2021-11-20 23:32:55,779 INFO L858 garLoopResultBuilder]: For program point L2964-1(line 2964) no Hoare annotation was computed. [2021-11-20 23:32:55,780 INFO L861 garLoopResultBuilder]: At program point pi_releaseENTRY(lines 4566 4568) the Hoare annotation is: true [2021-11-20 23:32:55,780 INFO L858 garLoopResultBuilder]: For program point pi_releaseEXIT(lines 4566 4568) no Hoare annotation was computed. [2021-11-20 23:32:55,780 INFO L858 garLoopResultBuilder]: For program point pi_initEXIT(lines 4556 4558) no Hoare annotation was computed. [2021-11-20 23:32:55,780 INFO L861 garLoopResultBuilder]: At program point pi_initENTRY(lines 4556 4558) the Hoare annotation is: true [2021-11-20 23:32:55,780 INFO L861 garLoopResultBuilder]: At program point write_regENTRY(lines 3063 3069) the Hoare annotation is: true [2021-11-20 23:32:55,780 INFO L858 garLoopResultBuilder]: For program point write_regEXIT(lines 3063 3069) no Hoare annotation was computed. [2021-11-20 23:32:55,780 INFO L858 garLoopResultBuilder]: For program point pg_sleepEXIT(lines 3076 3082) no Hoare annotation was computed. [2021-11-20 23:32:55,780 INFO L861 garLoopResultBuilder]: At program point pg_sleepENTRY(lines 3076 3082) the Hoare annotation is: true [2021-11-20 23:32:55,780 INFO L861 garLoopResultBuilder]: At program point pi_read_regrENTRY(lines 4563 4565) the Hoare annotation is: true [2021-11-20 23:32:55,780 INFO L858 garLoopResultBuilder]: For program point pi_read_regrEXIT(lines 4563 4565) no Hoare annotation was computed. [2021-11-20 23:32:55,780 INFO L861 garLoopResultBuilder]: At program point might_faultFINAL(lines 4532 4534) the Hoare annotation is: true [2021-11-20 23:32:55,781 INFO L858 garLoopResultBuilder]: For program point might_faultEXIT(lines 4532 4534) no Hoare annotation was computed. [2021-11-20 23:32:55,781 INFO L861 garLoopResultBuilder]: At program point pi_disconnectENTRY(lines 4552 4554) the Hoare annotation is: true [2021-11-20 23:32:55,781 INFO L858 garLoopResultBuilder]: For program point pi_disconnectEXIT(lines 4552 4554) no Hoare annotation was computed. [2021-11-20 23:32:55,781 INFO L858 garLoopResultBuilder]: For program point L3425(lines 3425 3429) no Hoare annotation was computed. [2021-11-20 23:32:55,781 INFO L858 garLoopResultBuilder]: For program point pg_probeEXIT(lines 3407 3441) no Hoare annotation was computed. [2021-11-20 23:32:55,781 INFO L858 garLoopResultBuilder]: For program point L3419-1(line 3419) no Hoare annotation was computed. [2021-11-20 23:32:55,781 INFO L861 garLoopResultBuilder]: At program point L3419(line 3419) the Hoare annotation is: true [2021-11-20 23:32:55,781 INFO L858 garLoopResultBuilder]: For program point L3417(line 3417) no Hoare annotation was computed. [2021-11-20 23:32:55,781 INFO L861 garLoopResultBuilder]: At program point L3413-1(lines 3413 3438) the Hoare annotation is: true [2021-11-20 23:32:55,781 INFO L858 garLoopResultBuilder]: For program point L3413(lines 3413 3438) no Hoare annotation was computed. [2021-11-20 23:32:55,781 INFO L861 garLoopResultBuilder]: At program point L3434(line 3434) the Hoare annotation is: true [2021-11-20 23:32:55,781 INFO L861 garLoopResultBuilder]: At program point L3432(line 3432) the Hoare annotation is: true [2021-11-20 23:32:55,782 INFO L858 garLoopResultBuilder]: For program point L3434-1(line 3434) no Hoare annotation was computed. [2021-11-20 23:32:55,782 INFO L858 garLoopResultBuilder]: For program point L3432-1(line 3432) no Hoare annotation was computed. [2021-11-20 23:32:55,782 INFO L861 garLoopResultBuilder]: At program point L3426(lines 3413 3431) the Hoare annotation is: true [2021-11-20 23:32:55,782 INFO L861 garLoopResultBuilder]: At program point L3424(lines 3413 3431) the Hoare annotation is: true [2021-11-20 23:32:55,782 INFO L858 garLoopResultBuilder]: For program point pg_probeFINAL(lines 3407 3441) no Hoare annotation was computed. [2021-11-20 23:32:55,782 INFO L858 garLoopResultBuilder]: For program point L3418(lines 3418 3422) no Hoare annotation was computed. [2021-11-20 23:32:55,782 INFO L861 garLoopResultBuilder]: At program point pg_probeENTRY(lines 3407 3441) the Hoare annotation is: true [2021-11-20 23:32:55,782 INFO L858 garLoopResultBuilder]: For program point L3433(lines 3433 3437) no Hoare annotation was computed. [2021-11-20 23:32:55,782 INFO L861 garLoopResultBuilder]: At program point L3052(line 3052) the Hoare annotation is: true [2021-11-20 23:32:55,782 INFO L858 garLoopResultBuilder]: For program point L3052-1(line 3052) no Hoare annotation was computed. [2021-11-20 23:32:55,782 INFO L858 garLoopResultBuilder]: For program point status_regEXIT(lines 3049 3055) no Hoare annotation was computed. [2021-11-20 23:32:55,783 INFO L861 garLoopResultBuilder]: At program point status_regENTRY(lines 3049 3055) the Hoare annotation is: true [2021-11-20 23:32:55,783 INFO L858 garLoopResultBuilder]: For program point L3202-1(line 3202) no Hoare annotation was computed. [2021-11-20 23:32:55,783 INFO L858 garLoopResultBuilder]: For program point L3231-1(line 3231) no Hoare annotation was computed. [2021-11-20 23:32:55,783 INFO L861 garLoopResultBuilder]: At program point L3231(line 3231) the Hoare annotation is: true [2021-11-20 23:32:55,783 INFO L861 garLoopResultBuilder]: At program point L3240(line 3240) the Hoare annotation is: true [2021-11-20 23:32:55,783 INFO L858 garLoopResultBuilder]: For program point L3207-1(line 3207) no Hoare annotation was computed. [2021-11-20 23:32:55,783 INFO L861 garLoopResultBuilder]: At program point L3207(line 3207) the Hoare annotation is: true [2021-11-20 23:32:55,783 INFO L858 garLoopResultBuilder]: For program point L3240-1(line 3240) no Hoare annotation was computed. [2021-11-20 23:32:55,783 INFO L861 garLoopResultBuilder]: At program point L3232(lines 3201 3242) the Hoare annotation is: true [2021-11-20 23:32:55,783 INFO L858 garLoopResultBuilder]: For program point L3212(lines 3212 3215) no Hoare annotation was computed. [2021-11-20 23:32:55,783 INFO L861 garLoopResultBuilder]: At program point L3212-2(lines 3201 3242) the Hoare annotation is: true [2021-11-20 23:32:55,783 INFO L858 garLoopResultBuilder]: For program point L3233(line 3233) no Hoare annotation was computed. [2021-11-20 23:32:55,784 INFO L858 garLoopResultBuilder]: For program point L3213-1(line 3213) no Hoare annotation was computed. [2021-11-20 23:32:55,784 INFO L861 garLoopResultBuilder]: At program point L3213(line 3213) the Hoare annotation is: true [2021-11-20 23:32:55,784 INFO L861 garLoopResultBuilder]: At program point L3234(lines 3234 3238) the Hoare annotation is: true [2021-11-20 23:32:55,784 INFO L858 garLoopResultBuilder]: For program point pg_completionEXIT(lines 3191 3243) no Hoare annotation was computed. [2021-11-20 23:32:55,784 INFO L861 garLoopResultBuilder]: At program point pg_completionENTRY(lines 3191 3243) the Hoare annotation is: true [2021-11-20 23:32:55,784 INFO L861 garLoopResultBuilder]: At program point L3210(line 3210) the Hoare annotation is: true [2021-11-20 23:32:55,784 INFO L858 garLoopResultBuilder]: For program point L3210-1(line 3210) no Hoare annotation was computed. [2021-11-20 23:32:55,784 INFO L858 garLoopResultBuilder]: For program point L3206(line 3206) no Hoare annotation was computed. [2021-11-20 23:32:55,784 INFO L861 garLoopResultBuilder]: At program point L3202(line 3202) the Hoare annotation is: true [2021-11-20 23:32:55,784 INFO L861 garLoopResultBuilder]: At program point L3235(lines 3201 3242) the Hoare annotation is: true [2021-11-20 23:32:55,784 INFO L861 garLoopResultBuilder]: At program point ldv_unregister_chrdev_11ENTRY(lines 4032 4039) the Hoare annotation is: true [2021-11-20 23:32:55,784 INFO L858 garLoopResultBuilder]: For program point ldv_unregister_chrdev_11EXIT(lines 4032 4039) no Hoare annotation was computed. [2021-11-20 23:32:55,785 INFO L858 garLoopResultBuilder]: For program point DRIVEEXIT(lines 3070 3075) no Hoare annotation was computed. [2021-11-20 23:32:55,785 INFO L861 garLoopResultBuilder]: At program point DRIVEENTRY(lines 3070 3075) the Hoare annotation is: true [2021-11-20 23:32:55,785 INFO L861 garLoopResultBuilder]: At program point mutex_unlockENTRY(lines 4542 4544) the Hoare annotation is: true [2021-11-20 23:32:55,787 INFO L858 garLoopResultBuilder]: For program point mutex_unlockEXIT(lines 4542 4544) no Hoare annotation was computed. [2021-11-20 23:32:55,787 INFO L858 garLoopResultBuilder]: For program point copy_to_userEXIT(lines 2983 2990) no Hoare annotation was computed. [2021-11-20 23:32:55,787 INFO L861 garLoopResultBuilder]: At program point copy_to_userENTRY(lines 2983 2990) the Hoare annotation is: true [2021-11-20 23:32:55,788 INFO L861 garLoopResultBuilder]: At program point L2986(line 2986) the Hoare annotation is: true [2021-11-20 23:32:55,788 INFO L861 garLoopResultBuilder]: At program point L2986-1(line 2986) the Hoare annotation is: true [2021-11-20 23:32:55,788 INFO L858 garLoopResultBuilder]: For program point L3105(line 3105) no Hoare annotation was computed. [2021-11-20 23:32:55,788 INFO L858 garLoopResultBuilder]: For program point pg_waitFINAL(lines 3083 3137) no Hoare annotation was computed. [2021-11-20 23:32:55,788 INFO L861 garLoopResultBuilder]: At program point L3099(lines 3099 3103) the Hoare annotation is: true [2021-11-20 23:32:55,788 INFO L861 garLoopResultBuilder]: At program point L3116(line 3116) the Hoare annotation is: true [2021-11-20 23:32:55,788 INFO L861 garLoopResultBuilder]: At program point L3114(line 3114) the Hoare annotation is: true [2021-11-20 23:32:55,789 INFO L858 garLoopResultBuilder]: For program point L3116-1(line 3116) no Hoare annotation was computed. [2021-11-20 23:32:55,789 INFO L858 garLoopResultBuilder]: For program point L3114-1(line 3114) no Hoare annotation was computed. [2021-11-20 23:32:55,789 INFO L861 garLoopResultBuilder]: At program point pg_waitENTRY(lines 3083 3137) the Hoare annotation is: true [2021-11-20 23:32:55,789 INFO L861 garLoopResultBuilder]: At program point L3106(lines 3106 3110) the Hoare annotation is: true [2021-11-20 23:32:55,789 INFO L858 garLoopResultBuilder]: For program point pg_waitEXIT(lines 3083 3137) no Hoare annotation was computed. [2021-11-20 23:32:55,790 INFO L861 garLoopResultBuilder]: At program point L3102(line 3102) the Hoare annotation is: true [2021-11-20 23:32:55,790 INFO L861 garLoopResultBuilder]: At program point L3102-1(lines 3092 3136) the Hoare annotation is: true [2021-11-20 23:32:55,790 INFO L858 garLoopResultBuilder]: For program point L3115-1(line 3115) no Hoare annotation was computed. [2021-11-20 23:32:55,791 INFO L861 garLoopResultBuilder]: At program point L3115(line 3115) the Hoare annotation is: true [2021-11-20 23:32:55,791 INFO L858 garLoopResultBuilder]: For program point L3113(lines 3113 3134) no Hoare annotation was computed. [2021-11-20 23:32:55,791 INFO L861 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 4041 4046) the Hoare annotation is: true [2021-11-20 23:32:55,791 INFO L858 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4044) no Hoare annotation was computed. [2021-11-20 23:32:55,791 INFO L858 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 4041 4046) no Hoare annotation was computed. [2021-11-20 23:32:55,791 INFO L861 garLoopResultBuilder]: At program point L3582(line 3582) the Hoare annotation is: true [2021-11-20 23:32:55,792 INFO L858 garLoopResultBuilder]: For program point L3582-1(line 3582) no Hoare annotation was computed. [2021-11-20 23:32:55,792 INFO L858 garLoopResultBuilder]: For program point L3578(lines 3578 3581) no Hoare annotation was computed. [2021-11-20 23:32:55,792 INFO L858 garLoopResultBuilder]: For program point L3574(lines 3574 3577) no Hoare annotation was computed. [2021-11-20 23:32:55,792 INFO L858 garLoopResultBuilder]: For program point pg_writeEXIT(lines 3563 3636) no Hoare annotation was computed. [2021-11-20 23:32:55,792 INFO L858 garLoopResultBuilder]: For program point L3599(lines 3599 3611) no Hoare annotation was computed. [2021-11-20 23:32:55,792 INFO L861 garLoopResultBuilder]: At program point L3628(lines 3628 3629) the Hoare annotation is: true [2021-11-20 23:32:55,792 INFO L858 garLoopResultBuilder]: For program point L3595(lines 3595 3598) no Hoare annotation was computed. [2021-11-20 23:32:55,793 INFO L858 garLoopResultBuilder]: For program point L3628-1(lines 3628 3629) no Hoare annotation was computed. [2021-11-20 23:32:55,793 INFO L858 garLoopResultBuilder]: For program point L3591(lines 3591 3594) no Hoare annotation was computed. [2021-11-20 23:32:55,793 INFO L858 garLoopResultBuilder]: For program point L3587(lines 3587 3590) no Hoare annotation was computed. [2021-11-20 23:32:55,793 INFO L858 garLoopResultBuilder]: For program point pg_writeFINAL(lines 3563 3636) no Hoare annotation was computed. [2021-11-20 23:32:55,793 INFO L858 garLoopResultBuilder]: For program point L3583(lines 3583 3586) no Hoare annotation was computed. [2021-11-20 23:32:55,793 INFO L858 garLoopResultBuilder]: For program point L3612(lines 3612 3615) no Hoare annotation was computed. [2021-11-20 23:32:55,793 INFO L861 garLoopResultBuilder]: At program point L3604(line 3604) the Hoare annotation is: true [2021-11-20 23:32:55,794 INFO L861 garLoopResultBuilder]: At program point pg_writeENTRY(lines 3563 3636) the Hoare annotation is: true [2021-11-20 23:32:55,794 INFO L858 garLoopResultBuilder]: For program point L3604-1(line 3604) no Hoare annotation was computed. [2021-11-20 23:32:55,794 INFO L858 garLoopResultBuilder]: For program point L3600(lines 3600 3603) no Hoare annotation was computed. [2021-11-20 23:32:55,794 INFO L861 garLoopResultBuilder]: At program point L3618(line 3618) the Hoare annotation is: true [2021-11-20 23:32:55,794 INFO L858 garLoopResultBuilder]: For program point L3618-1(line 3618) no Hoare annotation was computed. [2021-11-20 23:32:55,794 INFO L858 garLoopResultBuilder]: For program point L3619(lines 3619 3626) no Hoare annotation was computed. [2021-11-20 23:32:55,794 INFO L861 garLoopResultBuilder]: At program point pi_connectENTRY(lines 4549 4551) the Hoare annotation is: true [2021-11-20 23:32:55,795 INFO L858 garLoopResultBuilder]: For program point pi_connectEXIT(lines 4549 4551) no Hoare annotation was computed. [2021-11-20 23:32:55,795 INFO L858 garLoopResultBuilder]: For program point L3161-1(line 3161) no Hoare annotation was computed. [2021-11-20 23:32:55,795 INFO L861 garLoopResultBuilder]: At program point L3161(line 3161) the Hoare annotation is: true [2021-11-20 23:32:55,796 INFO L858 garLoopResultBuilder]: For program point pg_commandEXIT(lines 3138 3190) no Hoare annotation was computed. [2021-11-20 23:32:55,796 INFO L858 garLoopResultBuilder]: For program point L3157(lines 3157 3160) no Hoare annotation was computed. [2021-11-20 23:32:55,796 INFO L861 garLoopResultBuilder]: At program point L3153-1(line 3153) the Hoare annotation is: true [2021-11-20 23:32:55,796 INFO L861 garLoopResultBuilder]: At program point L3153(line 3153) the Hoare annotation is: true [2021-11-20 23:32:55,796 INFO L858 garLoopResultBuilder]: For program point L3149(lines 3149 3152) no Hoare annotation was computed. [2021-11-20 23:32:55,797 INFO L858 garLoopResultBuilder]: For program point L3145-1(line 3145) no Hoare annotation was computed. [2021-11-20 23:32:55,797 INFO L861 garLoopResultBuilder]: At program point L3145(line 3145) the Hoare annotation is: true [2021-11-20 23:32:55,797 INFO L858 garLoopResultBuilder]: For program point L3162(lines 3162 3166) no Hoare annotation was computed. [2021-11-20 23:32:55,797 INFO L861 garLoopResultBuilder]: At program point L3154(line 3154) the Hoare annotation is: true [2021-11-20 23:32:55,797 INFO L858 garLoopResultBuilder]: For program point L3187-1(line 3187) no Hoare annotation was computed. [2021-11-20 23:32:55,797 INFO L861 garLoopResultBuilder]: At program point L3187(line 3187) the Hoare annotation is: true [2021-11-20 23:32:55,797 INFO L861 garLoopResultBuilder]: At program point L3146(line 3146) the Hoare annotation is: true [2021-11-20 23:32:55,798 INFO L858 garLoopResultBuilder]: For program point L3146-1(line 3146) no Hoare annotation was computed. [2021-11-20 23:32:55,798 INFO L861 garLoopResultBuilder]: At program point L3175(lines 3168 3183) the Hoare annotation is: true [2021-11-20 23:32:55,798 INFO L858 garLoopResultBuilder]: For program point L3167-1(line 3167) no Hoare annotation was computed. [2021-11-20 23:32:55,798 INFO L861 garLoopResultBuilder]: At program point L3167(line 3167) the Hoare annotation is: true [2021-11-20 23:32:55,798 INFO L861 garLoopResultBuilder]: At program point L3155(line 3155) the Hoare annotation is: true [2021-11-20 23:32:55,798 INFO L861 garLoopResultBuilder]: At program point L3147-1(line 3147) the Hoare annotation is: true [2021-11-20 23:32:55,798 INFO L861 garLoopResultBuilder]: At program point L3147(line 3147) the Hoare annotation is: true [2021-11-20 23:32:55,799 INFO L858 garLoopResultBuilder]: For program point L3168(lines 3168 3184) no Hoare annotation was computed. [2021-11-20 23:32:55,801 INFO L858 garLoopResultBuilder]: For program point L3168-2(lines 3168 3184) no Hoare annotation was computed. [2021-11-20 23:32:55,801 INFO L861 garLoopResultBuilder]: At program point L3164(lines 3144 3189) the Hoare annotation is: true [2021-11-20 23:32:55,801 INFO L858 garLoopResultBuilder]: For program point pg_commandFINAL(lines 3138 3190) no Hoare annotation was computed. [2021-11-20 23:32:55,802 INFO L858 garLoopResultBuilder]: For program point L3156(line 3156) no Hoare annotation was computed. [2021-11-20 23:32:55,802 INFO L858 garLoopResultBuilder]: For program point L3148(line 3148) no Hoare annotation was computed. [2021-11-20 23:32:55,802 INFO L861 garLoopResultBuilder]: At program point pg_commandENTRY(lines 3138 3190) the Hoare annotation is: true [2021-11-20 23:32:55,802 INFO L861 garLoopResultBuilder]: At program point ldv__builtin_expectENTRY(lines 4048 4053) the Hoare annotation is: true [2021-11-20 23:32:55,802 INFO L858 garLoopResultBuilder]: For program point ldv__builtin_expectEXIT(lines 4048 4053) no Hoare annotation was computed. [2021-11-20 23:32:55,802 INFO L861 garLoopResultBuilder]: At program point clear_bitENTRY(lines 2805 2811) the Hoare annotation is: true [2021-11-20 23:32:55,802 INFO L858 garLoopResultBuilder]: For program point clear_bitEXIT(lines 2805 2811) no Hoare annotation was computed. [2021-11-20 23:32:55,803 INFO L858 garLoopResultBuilder]: For program point read_regEXIT(lines 3056 3062) no Hoare annotation was computed. [2021-11-20 23:32:55,803 INFO L861 garLoopResultBuilder]: At program point read_regENTRY(lines 3056 3062) the Hoare annotation is: true [2021-11-20 23:32:55,803 INFO L858 garLoopResultBuilder]: For program point L3059-1(line 3059) no Hoare annotation was computed. [2021-11-20 23:32:55,803 INFO L861 garLoopResultBuilder]: At program point L3059(line 3059) the Hoare annotation is: true [2021-11-20 23:32:55,803 INFO L858 garLoopResultBuilder]: For program point L3264(line 3264) no Hoare annotation was computed. [2021-11-20 23:32:55,803 INFO L861 garLoopResultBuilder]: At program point L3260(line 3260) the Hoare annotation is: true [2021-11-20 23:32:55,803 INFO L861 garLoopResultBuilder]: At program point L3322(line 3322) the Hoare annotation is: true [2021-11-20 23:32:55,804 INFO L858 garLoopResultBuilder]: For program point L3260-1(line 3260) no Hoare annotation was computed. [2021-11-20 23:32:55,804 INFO L858 garLoopResultBuilder]: For program point L3322-1(line 3322) no Hoare annotation was computed. [2021-11-20 23:32:55,804 INFO L858 garLoopResultBuilder]: For program point L3273-1(line 3273) no Hoare annotation was computed. [2021-11-20 23:32:55,804 INFO L861 garLoopResultBuilder]: At program point L3273(line 3273) the Hoare annotation is: true [2021-11-20 23:32:55,804 INFO L858 garLoopResultBuilder]: For program point L3261-1(line 3261) no Hoare annotation was computed. [2021-11-20 23:32:55,804 INFO L861 garLoopResultBuilder]: At program point L3261(line 3261) the Hoare annotation is: true [2021-11-20 23:32:55,804 INFO L861 garLoopResultBuilder]: At program point L3290(lines 3254 3324) the Hoare annotation is: true [2021-11-20 23:32:55,805 INFO L858 garLoopResultBuilder]: For program point L3286(line 3286) no Hoare annotation was computed. [2021-11-20 23:32:55,805 INFO L858 garLoopResultBuilder]: For program point L3274(lines 3274 3278) no Hoare annotation was computed. [2021-11-20 23:32:55,805 INFO L861 garLoopResultBuilder]: At program point L3262(line 3262) the Hoare annotation is: true [2021-11-20 23:32:55,805 INFO L861 garLoopResultBuilder]: At program point L3262-1(line 3262) the Hoare annotation is: true [2021-11-20 23:32:55,805 INFO L861 garLoopResultBuilder]: At program point pg_resetENTRY(lines 3244 3325) the Hoare annotation is: true [2021-11-20 23:32:55,805 INFO L861 garLoopResultBuilder]: At program point L3308(lines 3301 3320) the Hoare annotation is: true [2021-11-20 23:32:55,805 INFO L861 garLoopResultBuilder]: At program point L3275(lines 3254 3324) the Hoare annotation is: true [2021-11-20 23:32:55,806 INFO L858 garLoopResultBuilder]: For program point pg_resetEXIT(lines 3244 3325) no Hoare annotation was computed. [2021-11-20 23:32:55,806 INFO L858 garLoopResultBuilder]: For program point L3296-2(lines 3254 3324) no Hoare annotation was computed. [2021-11-20 23:32:55,806 INFO L861 garLoopResultBuilder]: At program point L3263(line 3263) the Hoare annotation is: true [2021-11-20 23:32:55,806 INFO L861 garLoopResultBuilder]: At program point L3288(lines 3254 3324) the Hoare annotation is: true [2021-11-20 23:32:55,806 INFO L861 garLoopResultBuilder]: At program point L3280(lines 3254 3324) the Hoare annotation is: true [2021-11-20 23:32:55,806 INFO L858 garLoopResultBuilder]: For program point L3272(lines 3272 3281) no Hoare annotation was computed. [2021-11-20 23:32:55,806 INFO L861 garLoopResultBuilder]: At program point L3268(lines 3254 3324) the Hoare annotation is: true [2021-11-20 23:32:55,807 INFO L858 garLoopResultBuilder]: For program point L3301-1(lines 3301 3321) no Hoare annotation was computed. [2021-11-20 23:32:55,807 INFO L861 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 2921 2930) the Hoare annotation is: true [2021-11-20 23:32:55,807 INFO L858 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 2921 2930) no Hoare annotation was computed. [2021-11-20 23:32:55,807 INFO L861 garLoopResultBuilder]: At program point mutex_lockENTRY(lines 4535 4537) the Hoare annotation is: true [2021-11-20 23:32:55,807 INFO L858 garLoopResultBuilder]: For program point mutex_lockEXIT(lines 4535 4537) no Hoare annotation was computed. [2021-11-20 23:32:55,807 INFO L858 garLoopResultBuilder]: For program point _copy_from_userEXIT(lines 4516 4518) no Hoare annotation was computed. [2021-11-20 23:32:55,807 INFO L861 garLoopResultBuilder]: At program point _copy_from_userENTRY(lines 4516 4518) the Hoare annotation is: true [2021-11-20 23:32:55,808 INFO L858 garLoopResultBuilder]: For program point L3537(line 3537) no Hoare annotation was computed. [2021-11-20 23:32:55,808 INFO L858 garLoopResultBuilder]: For program point L4462(lines 4462 4465) no Hoare annotation was computed. [2021-11-20 23:32:55,808 INFO L858 garLoopResultBuilder]: For program point L3471(lines 3471 3474) no Hoare annotation was computed. [2021-11-20 23:32:55,808 INFO L858 garLoopResultBuilder]: For program point L3901(line 3901) no Hoare annotation was computed. [2021-11-20 23:32:55,808 INFO L858 garLoopResultBuilder]: For program point L3902(lines 3902 3933) no Hoare annotation was computed. [2021-11-20 23:32:55,808 INFO L858 garLoopResultBuilder]: For program point L3869(line 3869) no Hoare annotation was computed. [2021-11-20 23:32:55,808 INFO L858 garLoopResultBuilder]: For program point L3803(lines 3803 3806) no Hoare annotation was computed. [2021-11-20 23:32:55,809 INFO L858 garLoopResultBuilder]: For program point L3803-2(lines 3803 3806) no Hoare annotation was computed. [2021-11-20 23:32:55,810 INFO L854 garLoopResultBuilder]: At program point L4464-1(lines 4462 4465) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2021-11-20 23:32:55,810 INFO L854 garLoopResultBuilder]: At program point L4497(line 4497) the Hoare annotation is: false [2021-11-20 23:32:55,810 INFO L854 garLoopResultBuilder]: At program point L4464(line 4464) the Hoare annotation is: false [2021-11-20 23:32:55,810 INFO L861 garLoopResultBuilder]: At program point L4497-1(lines 4480 4501) the Hoare annotation is: true [2021-11-20 23:32:55,810 INFO L858 garLoopResultBuilder]: For program point L3870(lines 3870 3874) no Hoare annotation was computed. [2021-11-20 23:32:55,811 INFO L854 garLoopResultBuilder]: At program point L3804(line 3804) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_state_variable_1~0 0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,811 INFO L858 garLoopResultBuilder]: For program point L3804-1(line 3804) no Hoare annotation was computed. [2021-11-20 23:32:55,811 INFO L854 garLoopResultBuilder]: At program point L3771(lines 3707 3774) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,812 INFO L858 garLoopResultBuilder]: For program point L3540(lines 3540 3546) no Hoare annotation was computed. [2021-11-20 23:32:55,812 INFO L858 garLoopResultBuilder]: For program point L3541-1(line 3541) no Hoare annotation was computed. [2021-11-20 23:32:55,812 INFO L854 garLoopResultBuilder]: At program point L3541(line 3541) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2021-11-20 23:32:55,812 INFO L858 garLoopResultBuilder]: For program point L3475-1(lines 3475 3476) no Hoare annotation was computed. [2021-11-20 23:32:55,812 INFO L854 garLoopResultBuilder]: At program point L3475(lines 3475 3476) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,812 INFO L854 garLoopResultBuilder]: At program point L3938(lines 3837 3943) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,813 INFO L858 garLoopResultBuilder]: For program point L3905(line 3905) no Hoare annotation was computed. [2021-11-20 23:32:55,813 INFO L858 garLoopResultBuilder]: For program point L3906(lines 3906 3911) no Hoare annotation was computed. [2021-11-20 23:32:55,813 INFO L858 garLoopResultBuilder]: For program point L3708(lines 3708 3712) no Hoare annotation was computed. [2021-11-20 23:32:55,813 INFO L858 garLoopResultBuilder]: For program point L3477(lines 3477 3486) no Hoare annotation was computed. [2021-11-20 23:32:55,813 INFO L854 garLoopResultBuilder]: At program point L3808(lines 3780 3816) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_state_variable_1~0 0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,813 INFO L854 garLoopResultBuilder]: At program point L3478(line 3478) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,813 INFO L858 garLoopResultBuilder]: For program point L3478-1(line 3478) no Hoare annotation was computed. [2021-11-20 23:32:55,814 INFO L854 garLoopResultBuilder]: At program point L4503(line 4503) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,814 INFO L854 garLoopResultBuilder]: At program point L4503-1(line 4503) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,814 INFO L858 garLoopResultBuilder]: For program point L3479(lines 3479 3484) no Hoare annotation was computed. [2021-11-20 23:32:55,814 INFO L858 garLoopResultBuilder]: For program point L4404(lines 4404 4407) no Hoare annotation was computed. [2021-11-20 23:32:55,814 INFO L854 garLoopResultBuilder]: At program point L3876(line 3876) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,814 INFO L854 garLoopResultBuilder]: At program point L4009-1(lines 4005 4012) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2021-11-20 23:32:55,815 INFO L854 garLoopResultBuilder]: At program point L4009(line 4009) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2021-11-20 23:32:55,815 INFO L854 garLoopResultBuilder]: At program point L4406(line 4406) the Hoare annotation is: false [2021-11-20 23:32:55,815 INFO L854 garLoopResultBuilder]: At program point L4406-1(lines 4404 4407) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,815 INFO L858 garLoopResultBuilder]: For program point L3845(line 3845) no Hoare annotation was computed. [2021-11-20 23:32:55,815 INFO L854 garLoopResultBuilder]: At program point L3746(lines 3746 3751) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,815 INFO L854 garLoopResultBuilder]: At program point L3680(line 3680) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,816 INFO L858 garLoopResultBuilder]: For program point L3680-1(line 3680) no Hoare annotation was computed. [2021-11-20 23:32:55,816 INFO L854 garLoopResultBuilder]: At program point L3548(lines 3515 3551) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2021-11-20 23:32:55,816 INFO L858 garLoopResultBuilder]: For program point L3846(lines 3846 3899) no Hoare annotation was computed. [2021-11-20 23:32:55,816 INFO L858 garLoopResultBuilder]: For program point L3648(lines 3648 3651) no Hoare annotation was computed. [2021-11-20 23:32:55,816 INFO L858 garLoopResultBuilder]: For program point L3681(lines 3681 3684) no Hoare annotation was computed. [2021-11-20 23:32:55,816 INFO L858 garLoopResultBuilder]: For program point L3483-1(line 3483) no Hoare annotation was computed. [2021-11-20 23:32:55,817 INFO L854 garLoopResultBuilder]: At program point L3483(line 3483) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,817 INFO L858 garLoopResultBuilder]: For program point L3913(line 3913) no Hoare annotation was computed. [2021-11-20 23:32:55,817 INFO L854 garLoopResultBuilder]: At program point L3715(lines 3715 3719) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,817 INFO L858 garLoopResultBuilder]: For program point L3914(lines 3914 3926) no Hoare annotation was computed. [2021-11-20 23:32:55,817 INFO L854 garLoopResultBuilder]: At program point L3749(lines 3707 3774) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,817 INFO L858 garLoopResultBuilder]: For program point L3849(line 3849) no Hoare annotation was computed. [2021-11-20 23:32:55,817 INFO L858 garLoopResultBuilder]: For program point L3850(lines 3850 3854) no Hoare annotation was computed. [2021-11-20 23:32:55,818 INFO L858 garLoopResultBuilder]: For program point L3916-2(lines 3914 3925) no Hoare annotation was computed. [2021-11-20 23:32:55,818 INFO L858 garLoopResultBuilder]: For program point L3883(line 3883) no Hoare annotation was computed. [2021-11-20 23:32:55,819 INFO L858 garLoopResultBuilder]: For program point L3850-2(lines 3848 3896) no Hoare annotation was computed. [2021-11-20 23:32:55,819 INFO L858 garLoopResultBuilder]: For program point L3652(lines 3652 3655) no Hoare annotation was computed. [2021-11-20 23:32:55,819 INFO L858 garLoopResultBuilder]: For program point L3685(lines 3685 3693) no Hoare annotation was computed. [2021-11-20 23:32:55,819 INFO L858 garLoopResultBuilder]: For program point L3685-2(lines 3685 3693) no Hoare annotation was computed. [2021-11-20 23:32:55,819 INFO L854 garLoopResultBuilder]: At program point L3487(lines 3466 3497) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,819 INFO L854 garLoopResultBuilder]: At program point L3884(lines 3884 3892) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,820 INFO L858 garLoopResultBuilder]: For program point L3851-1(line 3851) no Hoare annotation was computed. [2021-11-20 23:32:55,821 INFO L854 garLoopResultBuilder]: At program point L3851(line 3851) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,821 INFO L854 garLoopResultBuilder]: At program point L3686(lines 3686 3687) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,821 INFO L858 garLoopResultBuilder]: For program point L3686-1(lines 3686 3687) no Hoare annotation was computed. [2021-11-20 23:32:55,821 INFO L854 garLoopResultBuilder]: At program point L3455-1(lines 3451 3506) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,822 INFO L854 garLoopResultBuilder]: At program point L3521-2(lines 3521 3525) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2021-11-20 23:32:55,822 INFO L858 garLoopResultBuilder]: For program point L3455(lines 3455 3499) no Hoare annotation was computed. [2021-11-20 23:32:55,822 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-11-20 23:32:55,822 INFO L854 garLoopResultBuilder]: At program point L4017-1(lines 4013 4020) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,822 INFO L854 garLoopResultBuilder]: At program point L4017(line 4017) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,822 INFO L854 garLoopResultBuilder]: At program point L3456(lines 3456 3457) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,822 INFO L858 garLoopResultBuilder]: For program point L3456-1(lines 3456 3457) no Hoare annotation was computed. [2021-11-20 23:32:55,823 INFO L858 garLoopResultBuilder]: For program point L3688(lines 3688 3691) no Hoare annotation was computed. [2021-11-20 23:32:55,823 INFO L858 garLoopResultBuilder]: For program point L3721(lines 3721 3741) no Hoare annotation was computed. [2021-11-20 23:32:55,823 INFO L854 garLoopResultBuilder]: At program point L3490(lines 3466 3497) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,823 INFO L854 garLoopResultBuilder]: At program point L3028(line 3028) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,823 INFO L858 garLoopResultBuilder]: For program point L3028-1(line 3028) no Hoare annotation was computed. [2021-11-20 23:32:55,823 INFO L858 garLoopResultBuilder]: For program point L3458(lines 3458 3497) no Hoare annotation was computed. [2021-11-20 23:32:55,824 INFO L858 garLoopResultBuilder]: For program point L3657-1(line 3657) no Hoare annotation was computed. [2021-11-20 23:32:55,826 INFO L854 garLoopResultBuilder]: At program point L3657(line 3657) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,826 INFO L858 garLoopResultBuilder]: For program point L4483(lines 4483 4486) no Hoare annotation was computed. [2021-11-20 23:32:55,826 INFO L858 garLoopResultBuilder]: For program point L3459-1(line 3459) no Hoare annotation was computed. [2021-11-20 23:32:55,826 INFO L854 garLoopResultBuilder]: At program point L3459(line 3459) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,826 INFO L854 garLoopResultBuilder]: At program point L3922(lines 3837 3943) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,827 INFO L854 garLoopResultBuilder]: At program point L3856(line 3856) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,827 INFO L854 garLoopResultBuilder]: At program point L3790(lines 3780 3816) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,827 INFO L858 garLoopResultBuilder]: For program point L3856-1(line 3856) no Hoare annotation was computed. [2021-11-20 23:32:55,827 INFO L858 garLoopResultBuilder]: For program point L3658(lines 3658 3664) no Hoare annotation was computed. [2021-11-20 23:32:55,827 INFO L858 garLoopResultBuilder]: For program point L3658-2(lines 3658 3664) no Hoare annotation was computed. [2021-11-20 23:32:55,827 INFO L854 garLoopResultBuilder]: At program point L3559-1(line 3559) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,828 INFO L854 garLoopResultBuilder]: At program point L3559(line 3559) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,828 INFO L858 garLoopResultBuilder]: For program point L3460(lines 3460 3465) no Hoare annotation was computed. [2021-11-20 23:32:55,828 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-20 23:32:55,828 INFO L858 garLoopResultBuilder]: For program point L3659(lines 3659 3662) no Hoare annotation was computed. [2021-11-20 23:32:55,828 INFO L858 garLoopResultBuilder]: For program point L3527(lines 3527 3531) no Hoare annotation was computed. [2021-11-20 23:32:55,828 INFO L854 garLoopResultBuilder]: At program point L4485(line 4485) the Hoare annotation is: false [2021-11-20 23:32:55,828 INFO L858 garLoopResultBuilder]: For program point L4485-1(lines 4482 4500) no Hoare annotation was computed. [2021-11-20 23:32:55,829 INFO L854 garLoopResultBuilder]: At program point L2933-1(line 2933) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2021-11-20 23:32:55,829 INFO L854 garLoopResultBuilder]: At program point L2933(line 2933) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2021-11-20 23:32:55,829 INFO L854 garLoopResultBuilder]: At program point L2835-1(line 2835) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,829 INFO L854 garLoopResultBuilder]: At program point L2835(line 2835) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,829 INFO L854 garLoopResultBuilder]: At program point L3694(lines 3637 3696) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,830 INFO L858 garLoopResultBuilder]: For program point L3727(lines 3727 3730) no Hoare annotation was computed. [2021-11-20 23:32:55,830 INFO L858 garLoopResultBuilder]: For program point L3727-2(lines 3727 3730) no Hoare annotation was computed. [2021-11-20 23:32:55,830 INFO L854 garLoopResultBuilder]: At program point L3728(line 3728) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,830 INFO L854 garLoopResultBuilder]: At program point L3761(lines 3707 3774) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,830 INFO L858 garLoopResultBuilder]: For program point L3728-1(line 3728) no Hoare annotation was computed. [2021-11-20 23:32:55,830 INFO L854 garLoopResultBuilder]: At program point L3464(line 3464) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,830 INFO L858 garLoopResultBuilder]: For program point L3464-1(line 3464) no Hoare annotation was computed. [2021-11-20 23:32:55,831 INFO L858 garLoopResultBuilder]: For program point L3861(line 3861) no Hoare annotation was computed. [2021-11-20 23:32:55,831 INFO L854 garLoopResultBuilder]: At program point L4489(line 4489) the Hoare annotation is: false [2021-11-20 23:32:55,831 INFO L858 garLoopResultBuilder]: For program point L4489-1(lines 4482 4500) no Hoare annotation was computed. [2021-11-20 23:32:55,831 INFO L858 garLoopResultBuilder]: For program point L3862(lines 3862 3867) no Hoare annotation was computed. [2021-11-20 23:32:55,831 INFO L858 garLoopResultBuilder]: For program point L3532(lines 3532 3536) no Hoare annotation was computed. [2021-11-20 23:32:55,831 INFO L854 garLoopResultBuilder]: At program point L3532-2(lines 3532 3536) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2021-11-20 23:32:55,832 INFO L858 garLoopResultBuilder]: For program point L3533-1(line 3533) no Hoare annotation was computed. [2021-11-20 23:32:55,832 INFO L854 garLoopResultBuilder]: At program point L3533(line 3533) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_pg_mutex~0 2)) [2021-11-20 23:32:55,832 INFO L854 garLoopResultBuilder]: At program point L-1-2(line -1) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,832 INFO L854 garLoopResultBuilder]: At program point L3798(line 3798) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,832 INFO L854 garLoopResultBuilder]: At program point L3732(lines 3721 3740) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,832 INFO L858 garLoopResultBuilder]: For program point L3798-1(line 3798) no Hoare annotation was computed. [2021-11-20 23:32:55,833 INFO L854 garLoopResultBuilder]: At program point L3039(lines 3020 3047) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~disable~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_pg_mutex~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-20 23:32:55,833 INFO L854 garLoopResultBuilder]: At program point L4493(line 4493) the Hoare annotation is: false [2021-11-20 23:32:55,833 INFO L858 garLoopResultBuilder]: For program point L4493-1(lines 4482 4500) no Hoare annotation was computed. [2021-11-20 23:32:55,833 INFO L858 garLoopResultBuilder]: For program point xsEXIT(lines 3326 3364) no Hoare annotation was computed. [2021-11-20 23:32:55,833 INFO L861 garLoopResultBuilder]: At program point xsENTRY(lines 3326 3364) the Hoare annotation is: true [2021-11-20 23:32:55,833 INFO L861 garLoopResultBuilder]: At program point L3350(lines 3333 3363) the Hoare annotation is: true [2021-11-20 23:32:55,834 INFO L861 garLoopResultBuilder]: At program point L3392(line 3392) the Hoare annotation is: true [2021-11-20 23:32:55,834 INFO L858 garLoopResultBuilder]: For program point L3393(lines 3393 3396) no Hoare annotation was computed. [2021-11-20 23:32:55,834 INFO L858 garLoopResultBuilder]: For program point L3392-1(line 3392) no Hoare annotation was computed. [2021-11-20 23:32:55,834 INFO L858 garLoopResultBuilder]: For program point L3388(lines 3388 3391) no Hoare annotation was computed. [2021-11-20 23:32:55,834 INFO L858 garLoopResultBuilder]: For program point L3387-1(line 3387) no Hoare annotation was computed. [2021-11-20 23:32:55,834 INFO L861 garLoopResultBuilder]: At program point L3387(line 3387) the Hoare annotation is: true [2021-11-20 23:32:55,834 INFO L858 garLoopResultBuilder]: For program point pg_identifyEXIT(lines 3365 3406) no Hoare annotation was computed. [2021-11-20 23:32:55,835 INFO L861 garLoopResultBuilder]: At program point pg_identifyENTRY(lines 3365 3406) the Hoare annotation is: true [2021-11-20 23:32:55,835 INFO L861 garLoopResultBuilder]: At program point L3398(line 3398) the Hoare annotation is: true [2021-11-20 23:32:55,835 INFO L858 garLoopResultBuilder]: For program point L3399(line 3399) no Hoare annotation was computed. [2021-11-20 23:32:55,835 INFO L858 garLoopResultBuilder]: For program point pg_identifyFINAL(lines 3365 3406) no Hoare annotation was computed. [2021-11-20 23:32:55,835 INFO L858 garLoopResultBuilder]: For program point L3397(lines 3397 3403) no Hoare annotation was computed. [2021-11-20 23:32:55,835 INFO L861 garLoopResultBuilder]: At program point L3398-1(line 3398) the Hoare annotation is: true [2021-11-20 23:32:55,835 INFO L858 garLoopResultBuilder]: For program point L3397-2(lines 3397 3403) no Hoare annotation was computed. [2021-11-20 23:32:55,836 INFO L858 garLoopResultBuilder]: For program point pi_write_blockEXIT(lines 4569 4571) no Hoare annotation was computed. [2021-11-20 23:32:55,836 INFO L861 garLoopResultBuilder]: At program point pi_write_blockENTRY(lines 4569 4571) the Hoare annotation is: true [2021-11-20 23:32:55,843 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:32:55,845 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 23:32:55,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:32:55 BoogieIcfgContainer [2021-11-20 23:32:55,891 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 23:32:55,892 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 23:32:55,892 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 23:32:55,892 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 23:32:55,893 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:32:44" (3/4) ... [2021-11-20 23:32:55,896 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 23:32:55,902 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_from_user [2021-11-20 23:32:55,902 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_release [2021-11-20 23:32:55,902 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_init [2021-11-20 23:32:55,902 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure write_reg [2021-11-20 23:32:55,902 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_sleep [2021-11-20 23:32:55,902 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_read_regr [2021-11-20 23:32:55,903 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure might_fault [2021-11-20 23:32:55,903 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_disconnect [2021-11-20 23:32:55,903 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_probe [2021-11-20 23:32:55,903 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure status_reg [2021-11-20 23:32:55,903 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_completion [2021-11-20 23:32:55,903 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_unregister_chrdev_11 [2021-11-20 23:32:55,903 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure DRIVE [2021-11-20 23:32:55,903 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2021-11-20 23:32:55,904 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_to_user [2021-11-20 23:32:55,904 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_wait [2021-11-20 23:32:55,904 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2021-11-20 23:32:55,904 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_write [2021-11-20 23:32:55,904 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_connect [2021-11-20 23:32:55,904 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_command [2021-11-20 23:32:55,904 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2021-11-20 23:32:55,905 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure clear_bit [2021-11-20 23:32:55,905 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure read_reg [2021-11-20 23:32:55,905 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_reset [2021-11-20 23:32:55,905 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2021-11-20 23:32:55,905 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2021-11-20 23:32:55,905 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure _copy_from_user [2021-11-20 23:32:55,906 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure xs [2021-11-20 23:32:55,906 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pg_identify [2021-11-20 23:32:55,906 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pi_write_block [2021-11-20 23:32:55,941 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 292 nodes and edges [2021-11-20 23:32:55,944 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 111 nodes and edges [2021-11-20 23:32:55,948 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2021-11-20 23:32:55,951 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-20 23:32:55,954 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-20 23:32:55,958 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-20 23:32:55,961 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 23:32:56,179 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/witness.graphml [2021-11-20 23:32:56,179 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 23:32:56,180 INFO L158 Benchmark]: Toolchain (without parser) took 15444.17ms. Allocated memory was 109.1MB in the beginning and 276.8MB in the end (delta: 167.8MB). Free memory was 70.0MB in the beginning and 200.5MB in the end (delta: -130.5MB). Peak memory consumption was 175.3MB. Max. memory is 16.1GB. [2021-11-20 23:32:56,180 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 109.1MB. Free memory was 62.0MB in the beginning and 62.0MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:32:56,180 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1480.00ms. Allocated memory was 109.1MB in the beginning and 134.2MB in the end (delta: 25.2MB). Free memory was 69.8MB in the beginning and 84.5MB in the end (delta: -14.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2021-11-20 23:32:56,181 INFO L158 Benchmark]: Boogie Procedure Inliner took 150.69ms. Allocated memory is still 134.2MB. Free memory was 84.5MB in the beginning and 76.8MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 23:32:56,181 INFO L158 Benchmark]: Boogie Preprocessor took 146.69ms. Allocated memory is still 134.2MB. Free memory was 76.8MB in the beginning and 69.0MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 23:32:56,182 INFO L158 Benchmark]: RCFGBuilder took 2199.15ms. Allocated memory was 134.2MB in the beginning and 222.3MB in the end (delta: 88.1MB). Free memory was 69.0MB in the beginning and 159.1MB in the end (delta: -90.1MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2021-11-20 23:32:56,183 INFO L158 Benchmark]: TraceAbstraction took 11174.36ms. Allocated memory was 222.3MB in the beginning and 276.8MB in the end (delta: 54.5MB). Free memory was 158.1MB in the beginning and 73.6MB in the end (delta: 84.5MB). Peak memory consumption was 150.8MB. Max. memory is 16.1GB. [2021-11-20 23:32:56,183 INFO L158 Benchmark]: Witness Printer took 286.99ms. Allocated memory is still 276.8MB. Free memory was 72.5MB in the beginning and 200.5MB in the end (delta: -128.0MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2021-11-20 23:32:56,185 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 109.1MB. Free memory was 62.0MB in the beginning and 62.0MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1480.00ms. Allocated memory was 109.1MB in the beginning and 134.2MB in the end (delta: 25.2MB). Free memory was 69.8MB in the beginning and 84.5MB in the end (delta: -14.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 150.69ms. Allocated memory is still 134.2MB. Free memory was 84.5MB in the beginning and 76.8MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 146.69ms. Allocated memory is still 134.2MB. Free memory was 76.8MB in the beginning and 69.0MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2199.15ms. Allocated memory was 134.2MB in the beginning and 222.3MB in the end (delta: 88.1MB). Free memory was 69.0MB in the beginning and 159.1MB in the end (delta: -90.1MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. * TraceAbstraction took 11174.36ms. Allocated memory was 222.3MB in the beginning and 276.8MB in the end (delta: 54.5MB). Free memory was 158.1MB in the beginning and 73.6MB in the end (delta: 84.5MB). Peak memory consumption was 150.8MB. Max. memory is 16.1GB. * Witness Printer took 286.99ms. Allocated memory is still 276.8MB. Free memory was 72.5MB in the beginning and 200.5MB in the end (delta: -128.0MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 4044]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 337 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.1s, OverallIterations: 10, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2969 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2967 mSDsluCounter, 6304 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2329 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1149 IncrementalHoareTripleChecker+Invalid, 1159 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 4314 mSDtfsCounter, 1149 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 217 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=764occurred in iteration=9, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 22 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 159 LocationsWithAnnotation, 2960 PreInvPairs, 3033 NumberOfFragments, 1011 HoareAnnotationTreeSize, 2960 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 159 FomulaSimplificationsInter, 13241 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 442 NumberOfCodeBlocks, 442 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 426 ConstructedInterpolants, 0 QuantifiedInterpolants, 706 SizeOfPredicates, 0 NumberOfNonLiveVariables, 5099 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 16/22 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 4503]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3413]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3234]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3301]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2921]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3168]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3876]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3413]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4013]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3746]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3721]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3707]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3413]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4462]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_pg_mutex == 2 - InvariantResult [Line: 3780]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3092]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3837]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3144]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2986]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3884]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3466]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 4005]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_pg_mutex == 2 - InvariantResult [Line: 3254]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3333]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2835]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3201]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3466]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3106]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4032]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3515]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_pg_mutex == 2 - InvariantResult [Line: 4480]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3254]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3020]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3099]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4404]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3521]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_pg_mutex == 2 - InvariantResult [Line: 3076]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3451]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3837]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3707]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3063]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3780]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_state_variable_1 == 0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3201]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3715]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 2933]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_pg_mutex == 2 - InvariantResult [Line: 3254]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3254]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3707]: Loop Invariant Derived loop invariant: ((((ldv_state_variable_0 == 1 && 1 == ldv_mutex_mutex_of_device) && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3254]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3637]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3559]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && disable == 0) && ldv_mutex_lock == 1) && ldv_mutex_pg_mutex == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3201]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-20 23:32:56,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_397b0139-c9e6-43b8-890e-2bf4ab34ad66/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE