./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.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_ffb57136-4ea5-4a5b-bc47-02a3a2d26ef2/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffb57136-4ea5-4a5b-bc47-02a3a2d26ef2/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_ffb57136-4ea5-4a5b-bc47-02a3a2d26ef2/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffb57136-4ea5-4a5b-bc47-02a3a2d26ef2/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffb57136-4ea5-4a5b-bc47-02a3a2d26ef2/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_ffb57136-4ea5-4a5b-bc47-02a3a2d26ef2/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 3d54ec533bcab354bf7ab20b9139a2cc0ce3cf7423a4c806e696ce4b9d5812e9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:51:34,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:51:34,252 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:51:34,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:51:34,313 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:51:34,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:51:34,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:51:34,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:51:34,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:51:34,335 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:51:34,336 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:51:34,339 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:51:34,340 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:51:34,343 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:51:34,346 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:51:34,352 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:51:34,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:51:34,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:51:34,363 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:51:34,372 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:51:34,375 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:51:34,377 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:51:34,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:51:34,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:51:34,394 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:51:34,395 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:51:34,395 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:51:34,398 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:51:34,399 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:51:34,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:51:34,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:51:34,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:51:34,406 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:51:34,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:51:34,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:51:34,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:51:34,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:51:34,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:51:34,412 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:51:34,413 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:51:34,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:51:34,415 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffb57136-4ea5-4a5b-bc47-02a3a2d26ef2/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-21 01:51:34,470 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:51:34,470 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:51:34,471 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:51:34,472 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:51:34,473 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:51:34,473 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:51:34,474 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:51:34,474 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:51:34,474 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:51:34,475 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:51:34,476 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:51:34,477 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:51:34,477 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:51:34,477 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:51:34,478 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:51:34,478 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:51:34,479 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:51:34,479 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:51:34,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:51:34,480 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:51:34,481 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:51:34,481 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:51:34,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:51:34,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:51:34,482 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:51:34,483 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:51:34,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:51:34,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:51:34,484 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:51:34,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:51:34,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:51:34,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:51:34,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:51:34,486 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:51:34,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:51:34,487 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:51:34,487 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:51:34,488 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:51:34,488 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_ffb57136-4ea5-4a5b-bc47-02a3a2d26ef2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffb57136-4ea5-4a5b-bc47-02a3a2d26ef2/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d54ec533bcab354bf7ab20b9139a2cc0ce3cf7423a4c806e696ce4b9d5812e9 [2021-11-21 01:51:34,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:51:34,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:51:34,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:51:34,818 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:51:34,819 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:51:34,820 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffb57136-4ea5-4a5b-bc47-02a3a2d26ef2/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i [2021-11-21 01:51:34,888 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffb57136-4ea5-4a5b-bc47-02a3a2d26ef2/bin/utaipan-TEXQjIfE4P/data/ad1382704/c75a77de401e479da9446ac4453137d6/FLAGc97451661 [2021-11-21 01:51:35,760 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:51:35,761 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffb57136-4ea5-4a5b-bc47-02a3a2d26ef2/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i [2021-11-21 01:51:35,814 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffb57136-4ea5-4a5b-bc47-02a3a2d26ef2/bin/utaipan-TEXQjIfE4P/data/ad1382704/c75a77de401e479da9446ac4453137d6/FLAGc97451661 [2021-11-21 01:51:36,320 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffb57136-4ea5-4a5b-bc47-02a3a2d26ef2/bin/utaipan-TEXQjIfE4P/data/ad1382704/c75a77de401e479da9446ac4453137d6 [2021-11-21 01:51:36,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:51:36,325 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:51:36,329 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:51:36,330 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:51:36,334 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:51:36,335 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:51:36" (1/1) ... [2021-11-21 01:51:36,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69828a3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:51:36, skipping insertion in model container [2021-11-21 01:51:36,337 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:51:36" (1/1) ... [2021-11-21 01:51:36,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:51:36,454 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:51:37,759 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_ffb57136-4ea5-4a5b-bc47-02a3a2d26ef2/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i[129019,129032] [2021-11-21 01:51:37,899 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:51:37,929 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:51:38,220 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_ffb57136-4ea5-4a5b-bc47-02a3a2d26ef2/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i[129019,129032] [2021-11-21 01:51:38,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:51:38,320 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:51:38,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:51:38 WrapperNode [2021-11-21 01:51:38,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:51:38,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:51:38,322 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:51:38,322 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:51:38,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:51:38" (1/1) ... [2021-11-21 01:51:38,407 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:51:38" (1/1) ... [2021-11-21 01:51:38,492 INFO L137 Inliner]: procedures = 176, calls = 745, calls flagged for inlining = 76, calls inlined = 63, statements flattened = 1308 [2021-11-21 01:51:38,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:51:38,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:51:38,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:51:38,494 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:51:38,504 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:51:38" (1/1) ... [2021-11-21 01:51:38,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:51:38" (1/1) ... [2021-11-21 01:51:38,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:51:38" (1/1) ... [2021-11-21 01:51:38,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:51:38" (1/1) ... [2021-11-21 01:51:38,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:51:38" (1/1) ... [2021-11-21 01:51:38,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:51:38" (1/1) ... [2021-11-21 01:51:38,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:51:38" (1/1) ... [2021-11-21 01:51:38,691 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:51:38,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:51:38,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:51:38,693 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:51:38,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:51:38" (1/1) ... [2021-11-21 01:51:38,701 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:51:38,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffb57136-4ea5-4a5b-bc47-02a3a2d26ef2/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:51:38,726 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffb57136-4ea5-4a5b-bc47-02a3a2d26ef2/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:51:38,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffb57136-4ea5-4a5b-bc47-02a3a2d26ef2/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:51:38,769 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-21 01:51:38,769 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-21 01:51:38,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-21 01:51:38,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-21 01:51:38,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-21 01:51:38,770 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-21 01:51:38,770 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-21 01:51:38,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:51:38,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-21 01:51:38,770 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-21 01:51:38,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-21 01:51:38,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-21 01:51:38,771 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-21 01:51:38,771 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-21 01:51:38,771 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-21 01:51:38,771 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-21 01:51:38,771 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-11-21 01:51:38,771 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-11-21 01:51:38,772 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2021-11-21 01:51:38,772 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2021-11-21 01:51:38,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:51:38,772 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-21 01:51:38,772 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-21 01:51:38,772 INFO L130 BoogieDeclarations]: Found specification of procedure class_remove_file [2021-11-21 01:51:38,772 INFO L138 BoogieDeclarations]: Found implementation of procedure class_remove_file [2021-11-21 01:51:38,772 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-21 01:51:38,773 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-21 01:51:38,773 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-21 01:51:38,773 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-21 01:51:38,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-21 01:51:38,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-21 01:51:38,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_open_lock_of_phantom_device [2021-11-21 01:51:38,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_open_lock_of_phantom_device [2021-11-21 01:51:38,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-21 01:51:38,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-21 01:51:38,774 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-21 01:51:38,774 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-21 01:51:38,774 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-21 01:51:38,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-21 01:51:38,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:51:38,775 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-21 01:51:38,775 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-21 01:51:38,775 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-21 01:51:38,775 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-21 01:51:38,775 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-21 01:51:38,775 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-21 01:51:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:51:38,776 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_status [2021-11-21 01:51:38,776 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_status [2021-11-21 01:51:38,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:51:38,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:51:38,778 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_remove [2021-11-21 01:51:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_remove [2021-11-21 01:51:38,780 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_poll [2021-11-21 01:51:38,780 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_poll [2021-11-21 01:51:38,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:51:38,780 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-21 01:51:38,780 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-21 01:51:38,781 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-21 01:51:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-21 01:51:38,781 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-21 01:51:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-21 01:51:38,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:51:38,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 01:51:38,782 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-21 01:51:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-21 01:51:38,782 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-21 01:51:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-21 01:51:38,782 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2021-11-21 01:51:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2021-11-21 01:51:38,782 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-21 01:51:38,783 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-21 01:51:38,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:51:38,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-21 01:51:38,783 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-21 01:51:38,783 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-21 01:51:38,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:51:38,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:51:38,783 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_ioctl [2021-11-21 01:51:38,783 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_ioctl [2021-11-21 01:51:38,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_phantom_mutex [2021-11-21 01:51:38,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_phantom_mutex [2021-11-21 01:51:38,784 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-21 01:51:38,784 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-21 01:51:39,244 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:51:39,246 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:51:40,638 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:51:41,015 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:51:41,016 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-21 01:51:41,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:51:41 BoogieIcfgContainer [2021-11-21 01:51:41,022 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:51:41,024 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:51:41,024 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:51:41,028 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:51:41,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:51:36" (1/3) ... [2021-11-21 01:51:41,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48c225a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:51:41, skipping insertion in model container [2021-11-21 01:51:41,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:51:38" (2/3) ... [2021-11-21 01:51:41,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48c225a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:51:41, skipping insertion in model container [2021-11-21 01:51:41,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:51:41" (3/3) ... [2021-11-21 01:51:41,033 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i [2021-11-21 01:51:41,042 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:51:41,042 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 01:51:41,107 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:51:41,116 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 [2021-11-21 01:51:41,116 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 01:51:41,164 INFO L276 IsEmpty]: Start isEmpty. Operand has 422 states, 256 states have (on average 1.3671875) internal successors, (350), 275 states have internal predecessors, (350), 130 states have call successors, (130), 34 states have call predecessors, (130), 34 states have return successors, (130), 128 states have call predecessors, (130), 130 states have call successors, (130) [2021-11-21 01:51:41,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 01:51:41,172 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:51:41,173 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:51:41,173 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:51:41,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:51:41,181 INFO L85 PathProgramCache]: Analyzing trace with hash 45223981, now seen corresponding path program 1 times [2021-11-21 01:51:41,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:51:41,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343721011] [2021-11-21 01:51:41,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:51:41,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:51:41,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:51:41,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:51:41,592 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:51:41,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343721011] [2021-11-21 01:51:41,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343721011] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:51:41,593 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:51:41,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:51:41,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385797480] [2021-11-21 01:51:41,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:51:41,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:51:41,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:51:41,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:51:41,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:51:41,629 INFO L87 Difference]: Start difference. First operand has 422 states, 256 states have (on average 1.3671875) internal successors, (350), 275 states have internal predecessors, (350), 130 states have call successors, (130), 34 states have call predecessors, (130), 34 states have return successors, (130), 128 states have call predecessors, (130), 130 states have call successors, (130) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-11-21 01:51:42,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:51:42,173 INFO L93 Difference]: Finished difference Result 984 states and 1424 transitions. [2021-11-21 01:51:42,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:51:42,176 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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 11 [2021-11-21 01:51:42,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:51:42,195 INFO L225 Difference]: With dead ends: 984 [2021-11-21 01:51:42,195 INFO L226 Difference]: Without dead ends: 559 [2021-11-21 01:51:42,203 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 [2021-11-21 01:51:42,207 INFO L933 BasicCegarLoop]: 538 mSDtfsCounter, 216 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 1001 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-21 01:51:42,210 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [216 Valid, 1001 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-21 01:51:42,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2021-11-21 01:51:42,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 543. [2021-11-21 01:51:42,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 333 states have (on average 1.3753753753753755) internal successors, (458), 359 states have internal predecessors, (458), 160 states have call successors, (160), 51 states have call predecessors, (160), 49 states have return successors, (150), 143 states have call predecessors, (150), 150 states have call successors, (150) [2021-11-21 01:51:42,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 768 transitions. [2021-11-21 01:51:42,386 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 768 transitions. Word has length 11 [2021-11-21 01:51:42,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:51:42,387 INFO L470 AbstractCegarLoop]: Abstraction has 543 states and 768 transitions. [2021-11-21 01:51:42,387 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-11-21 01:51:42,387 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 768 transitions. [2021-11-21 01:51:42,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 01:51:42,392 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:51:42,392 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] [2021-11-21 01:51:42,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 01:51:42,393 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:51:42,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:51:42,395 INFO L85 PathProgramCache]: Analyzing trace with hash 191737155, now seen corresponding path program 1 times [2021-11-21 01:51:42,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:51:42,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094900494] [2021-11-21 01:51:42,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:51:42,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:51:42,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:51:42,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:51:42,579 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:51:42,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094900494] [2021-11-21 01:51:42,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094900494] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:51:42,579 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:51:42,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:51:42,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365012636] [2021-11-21 01:51:42,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:51:42,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:51:42,581 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:51:42,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:51:42,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:51:42,582 INFO L87 Difference]: Start difference. First operand 543 states and 768 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-21 01:51:42,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:51:42,982 INFO L93 Difference]: Finished difference Result 1571 states and 2214 transitions. [2021-11-21 01:51:42,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:51:42,983 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 25 [2021-11-21 01:51:42,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:51:42,994 INFO L225 Difference]: With dead ends: 1571 [2021-11-21 01:51:42,995 INFO L226 Difference]: Without dead ends: 1029 [2021-11-21 01:51:43,002 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 [2021-11-21 01:51:43,003 INFO L933 BasicCegarLoop]: 621 mSDtfsCounter, 560 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 560 SdHoareTripleChecker+Valid, 1107 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:51:43,004 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [560 Valid, 1107 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-21 01:51:43,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2021-11-21 01:51:43,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 1022. [2021-11-21 01:51:43,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1022 states, 633 states have (on average 1.363349131121643) internal successors, (863), 671 states have internal predecessors, (863), 291 states have call successors, (291), 100 states have call predecessors, (291), 97 states have return successors, (281), 268 states have call predecessors, (281), 281 states have call successors, (281) [2021-11-21 01:51:43,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1435 transitions. [2021-11-21 01:51:43,091 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1435 transitions. Word has length 25 [2021-11-21 01:51:43,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:51:43,092 INFO L470 AbstractCegarLoop]: Abstraction has 1022 states and 1435 transitions. [2021-11-21 01:51:43,092 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-11-21 01:51:43,092 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1435 transitions. [2021-11-21 01:51:43,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 01:51:43,094 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:51:43,095 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:51:43,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 01:51:43,095 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:51:43,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:51:43,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1131397542, now seen corresponding path program 1 times [2021-11-21 01:51:43,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:51:43,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474174082] [2021-11-21 01:51:43,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:51:43,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:51:43,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:51:43,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:51:43,238 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:51:43,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474174082] [2021-11-21 01:51:43,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474174082] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:51:43,239 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:51:43,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:51:43,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395733524] [2021-11-21 01:51:43,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:51:43,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:51:43,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:51:43,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:51:43,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:51:43,241 INFO L87 Difference]: Start difference. First operand 1022 states and 1435 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-21 01:51:43,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:51:43,463 INFO L93 Difference]: Finished difference Result 1024 states and 1436 transitions. [2021-11-21 01:51:43,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:51:43,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2021-11-21 01:51:43,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:51:43,472 INFO L225 Difference]: With dead ends: 1024 [2021-11-21 01:51:43,472 INFO L226 Difference]: Without dead ends: 1021 [2021-11-21 01:51:43,473 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 [2021-11-21 01:51:43,475 INFO L933 BasicCegarLoop]: 505 mSDtfsCounter, 578 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 578 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:51:43,475 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [578 Valid, 505 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-21 01:51:43,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2021-11-21 01:51:43,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 1021. [2021-11-21 01:51:43,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1021 states, 633 states have (on average 1.3617693522906793) internal successors, (862), 670 states have internal predecessors, (862), 290 states have call successors, (290), 100 states have call predecessors, (290), 97 states have return successors, (281), 268 states have call predecessors, (281), 281 states have call successors, (281) [2021-11-21 01:51:43,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 1021 states and 1433 transitions. [2021-11-21 01:51:43,552 INFO L78 Accepts]: Start accepts. Automaton has 1021 states and 1433 transitions. Word has length 28 [2021-11-21 01:51:43,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:51:43,552 INFO L470 AbstractCegarLoop]: Abstraction has 1021 states and 1433 transitions. [2021-11-21 01:51:43,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-21 01:51:43,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1433 transitions. [2021-11-21 01:51:43,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 01:51:43,555 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:51:43,555 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:51:43,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-21 01:51:43,556 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:51:43,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:51:43,556 INFO L85 PathProgramCache]: Analyzing trace with hash -714093616, now seen corresponding path program 1 times [2021-11-21 01:51:43,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:51:43,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709625941] [2021-11-21 01:51:43,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:51:43,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:51:43,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:51:43,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:51:43,651 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:51:43,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709625941] [2021-11-21 01:51:43,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709625941] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:51:43,652 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:51:43,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:51:43,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976131977] [2021-11-21 01:51:43,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:51:43,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:51:43,653 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:51:43,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:51:43,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:51:43,654 INFO L87 Difference]: Start difference. First operand 1021 states and 1433 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-21 01:51:43,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:51:43,932 INFO L93 Difference]: Finished difference Result 1023 states and 1434 transitions. [2021-11-21 01:51:43,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:51:43,933 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 29 [2021-11-21 01:51:43,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:51:43,941 INFO L225 Difference]: With dead ends: 1023 [2021-11-21 01:51:43,941 INFO L226 Difference]: Without dead ends: 1020 [2021-11-21 01:51:43,942 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 [2021-11-21 01:51:43,952 INFO L933 BasicCegarLoop]: 503 mSDtfsCounter, 575 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 575 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:51:43,953 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [575 Valid, 503 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-21 01:51:43,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2021-11-21 01:51:44,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 1020. [2021-11-21 01:51:44,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1020 states, 633 states have (on average 1.3601895734597156) internal successors, (861), 669 states have internal predecessors, (861), 289 states have call successors, (289), 100 states have call predecessors, (289), 97 states have return successors, (281), 268 states have call predecessors, (281), 281 states have call successors, (281) [2021-11-21 01:51:44,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 1020 states and 1431 transitions. [2021-11-21 01:51:44,048 INFO L78 Accepts]: Start accepts. Automaton has 1020 states and 1431 transitions. Word has length 29 [2021-11-21 01:51:44,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:51:44,050 INFO L470 AbstractCegarLoop]: Abstraction has 1020 states and 1431 transitions. [2021-11-21 01:51:44,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-21 01:51:44,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 1431 transitions. [2021-11-21 01:51:44,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 01:51:44,056 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:51:44,056 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:51:44,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-21 01:51:44,057 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:51:44,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:51:44,057 INFO L85 PathProgramCache]: Analyzing trace with hash -662568931, now seen corresponding path program 1 times [2021-11-21 01:51:44,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:51:44,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651423853] [2021-11-21 01:51:44,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:51:44,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:51:44,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:51:44,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:51:44,226 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:51:44,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651423853] [2021-11-21 01:51:44,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651423853] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:51:44,226 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:51:44,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:51:44,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449169004] [2021-11-21 01:51:44,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:51:44,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:51:44,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:51:44,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:51:44,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:51:44,229 INFO L87 Difference]: Start difference. First operand 1020 states and 1431 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-21 01:51:44,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:51:44,446 INFO L93 Difference]: Finished difference Result 1022 states and 1432 transitions. [2021-11-21 01:51:44,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:51:44,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2021-11-21 01:51:44,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:51:44,455 INFO L225 Difference]: With dead ends: 1022 [2021-11-21 01:51:44,455 INFO L226 Difference]: Without dead ends: 1019 [2021-11-21 01:51:44,456 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 [2021-11-21 01:51:44,456 INFO L933 BasicCegarLoop]: 501 mSDtfsCounter, 572 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 572 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:51:44,457 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [572 Valid, 501 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:51:44,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1019 states. [2021-11-21 01:51:44,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1019 to 1019. [2021-11-21 01:51:44,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1019 states, 633 states have (on average 1.3586097946287519) internal successors, (860), 668 states have internal predecessors, (860), 288 states have call successors, (288), 100 states have call predecessors, (288), 97 states have return successors, (281), 268 states have call predecessors, (281), 281 states have call successors, (281) [2021-11-21 01:51:44,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 1429 transitions. [2021-11-21 01:51:44,544 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 1429 transitions. Word has length 30 [2021-11-21 01:51:44,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:51:44,545 INFO L470 AbstractCegarLoop]: Abstraction has 1019 states and 1429 transitions. [2021-11-21 01:51:44,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-21 01:51:44,545 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1429 transitions. [2021-11-21 01:51:44,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 01:51:44,547 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:51:44,548 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:51:44,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-21 01:51:44,549 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:51:44,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:51:44,550 INFO L85 PathProgramCache]: Analyzing trace with hash 934701171, now seen corresponding path program 1 times [2021-11-21 01:51:44,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:51:44,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260350312] [2021-11-21 01:51:44,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:51:44,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:51:44,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:51:44,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:51:44,652 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:51:44,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260350312] [2021-11-21 01:51:44,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260350312] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:51:44,653 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:51:44,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:51:44,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875249311] [2021-11-21 01:51:44,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:51:44,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:51:44,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:51:44,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:51:44,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:51:44,655 INFO L87 Difference]: Start difference. First operand 1019 states and 1429 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-21 01:51:45,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:51:45,155 INFO L93 Difference]: Finished difference Result 1964 states and 2745 transitions. [2021-11-21 01:51:45,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:51:45,155 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 31 [2021-11-21 01:51:45,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:51:45,170 INFO L225 Difference]: With dead ends: 1964 [2021-11-21 01:51:45,171 INFO L226 Difference]: Without dead ends: 1959 [2021-11-21 01:51:45,172 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 [2021-11-21 01:51:45,173 INFO L933 BasicCegarLoop]: 626 mSDtfsCounter, 531 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 531 SdHoareTripleChecker+Valid, 1097 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-21 01:51:45,174 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [531 Valid, 1097 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-21 01:51:45,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1959 states. [2021-11-21 01:51:45,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1959 to 1955. [2021-11-21 01:51:45,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1955 states, 1227 states have (on average 1.361043194784026) internal successors, (1670), 1291 states have internal predecessors, (1670), 535 states have call successors, (535), 197 states have call predecessors, (535), 192 states have return successors, (528), 502 states have call predecessors, (528), 528 states have call successors, (528) [2021-11-21 01:51:45,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1955 states to 1955 states and 2733 transitions. [2021-11-21 01:51:45,318 INFO L78 Accepts]: Start accepts. Automaton has 1955 states and 2733 transitions. Word has length 31 [2021-11-21 01:51:45,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:51:45,319 INFO L470 AbstractCegarLoop]: Abstraction has 1955 states and 2733 transitions. [2021-11-21 01:51:45,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-21 01:51:45,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1955 states and 2733 transitions. [2021-11-21 01:51:45,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 01:51:45,321 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:51:45,321 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:51:45,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-21 01:51:45,321 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:51:45,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:51:45,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1089528352, now seen corresponding path program 1 times [2021-11-21 01:51:45,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:51:45,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501880210] [2021-11-21 01:51:45,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:51:45,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:51:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:51:45,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:51:45,415 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:51:45,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501880210] [2021-11-21 01:51:45,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501880210] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:51:45,415 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:51:45,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:51:45,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682155799] [2021-11-21 01:51:45,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:51:45,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:51:45,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:51:45,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:51:45,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:51:45,418 INFO L87 Difference]: Start difference. First operand 1955 states and 2733 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-21 01:51:45,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:51:45,705 INFO L93 Difference]: Finished difference Result 1984 states and 2752 transitions. [2021-11-21 01:51:45,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:51:45,706 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 32 [2021-11-21 01:51:45,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:51:45,720 INFO L225 Difference]: With dead ends: 1984 [2021-11-21 01:51:45,720 INFO L226 Difference]: Without dead ends: 1949 [2021-11-21 01:51:45,722 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 [2021-11-21 01:51:45,722 INFO L933 BasicCegarLoop]: 502 mSDtfsCounter, 527 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 527 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:51:45,723 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [527 Valid, 539 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-21 01:51:45,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1949 states. [2021-11-21 01:51:45,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1949 to 1946. [2021-11-21 01:51:45,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1946 states, 1225 states have (on average 1.3559183673469388) internal successors, (1661), 1286 states have internal predecessors, (1661), 525 states have call successors, (525), 200 states have call predecessors, (525), 195 states have return successors, (520), 495 states have call predecessors, (520), 520 states have call successors, (520) [2021-11-21 01:51:45,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1946 states to 1946 states and 2706 transitions. [2021-11-21 01:51:45,876 INFO L78 Accepts]: Start accepts. Automaton has 1946 states and 2706 transitions. Word has length 32 [2021-11-21 01:51:45,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:51:45,877 INFO L470 AbstractCegarLoop]: Abstraction has 1946 states and 2706 transitions. [2021-11-21 01:51:45,877 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-21 01:51:45,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1946 states and 2706 transitions. [2021-11-21 01:51:45,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-21 01:51:45,882 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:51:45,883 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:51:45,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-21 01:51:45,883 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:51:45,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:51:45,884 INFO L85 PathProgramCache]: Analyzing trace with hash 238932424, now seen corresponding path program 1 times [2021-11-21 01:51:45,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:51:45,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198249571] [2021-11-21 01:51:45,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:51:45,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:51:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:51:45,993 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-21 01:51:45,994 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:51:45,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198249571] [2021-11-21 01:51:45,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198249571] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:51:45,994 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:51:45,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:51:45,995 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569318819] [2021-11-21 01:51:45,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:51:45,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:51:45,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:51:45,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:51:45,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:51:45,997 INFO L87 Difference]: Start difference. First operand 1946 states and 2706 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-21 01:51:46,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:51:46,479 INFO L93 Difference]: Finished difference Result 3686 states and 5089 transitions. [2021-11-21 01:51:46,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:51:46,485 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 94 [2021-11-21 01:51:46,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:51:46,498 INFO L225 Difference]: With dead ends: 3686 [2021-11-21 01:51:46,499 INFO L226 Difference]: Without dead ends: 1741 [2021-11-21 01:51:46,508 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 [2021-11-21 01:51:46,509 INFO L933 BasicCegarLoop]: 756 mSDtfsCounter, 423 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 1240 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:51:46,510 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [423 Valid, 1240 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-21 01:51:46,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1741 states. [2021-11-21 01:51:46,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1741 to 1603. [2021-11-21 01:51:46,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1603 states, 1017 states have (on average 1.3657817109144543) internal successors, (1389), 1061 states have internal predecessors, (1389), 421 states have call successors, (421), 167 states have call predecessors, (421), 164 states have return successors, (416), 398 states have call predecessors, (416), 416 states have call successors, (416) [2021-11-21 01:51:46,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 1603 states and 2226 transitions. [2021-11-21 01:51:46,630 INFO L78 Accepts]: Start accepts. Automaton has 1603 states and 2226 transitions. Word has length 94 [2021-11-21 01:51:46,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:51:46,630 INFO L470 AbstractCegarLoop]: Abstraction has 1603 states and 2226 transitions. [2021-11-21 01:51:46,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-21 01:51:46,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 2226 transitions. [2021-11-21 01:51:46,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-21 01:51:46,635 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:51:46,635 INFO L514 BasicCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:51:46,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-21 01:51:46,635 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:51:46,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:51:46,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1573973557, now seen corresponding path program 1 times [2021-11-21 01:51:46,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:51:46,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992631652] [2021-11-21 01:51:46,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:51:46,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:51:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:51:46,888 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-21 01:51:46,888 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:51:46,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992631652] [2021-11-21 01:51:46,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992631652] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:51:46,888 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:51:46,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:51:46,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151577384] [2021-11-21 01:51:46,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:51:46,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:51:46,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:51:46,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:51:46,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:51:46,890 INFO L87 Difference]: Start difference. First operand 1603 states and 2226 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-21 01:51:47,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:51:47,203 INFO L93 Difference]: Finished difference Result 1608 states and 2229 transitions. [2021-11-21 01:51:47,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:51:47,204 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 117 [2021-11-21 01:51:47,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:51:47,216 INFO L225 Difference]: With dead ends: 1608 [2021-11-21 01:51:47,216 INFO L226 Difference]: Without dead ends: 1605 [2021-11-21 01:51:47,218 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:51:47,218 INFO L933 BasicCegarLoop]: 494 mSDtfsCounter, 38 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 956 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:51:47,219 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 956 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-21 01:51:47,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1605 states. [2021-11-21 01:51:47,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1605 to 1602. [2021-11-21 01:51:47,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1602 states, 1017 states have (on average 1.3618485742379547) internal successors, (1385), 1060 states have internal predecessors, (1385), 420 states have call successors, (420), 167 states have call predecessors, (420), 164 states have return successors, (416), 398 states have call predecessors, (416), 416 states have call successors, (416) [2021-11-21 01:51:47,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1602 states to 1602 states and 2221 transitions. [2021-11-21 01:51:47,328 INFO L78 Accepts]: Start accepts. Automaton has 1602 states and 2221 transitions. Word has length 117 [2021-11-21 01:51:47,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:51:47,329 INFO L470 AbstractCegarLoop]: Abstraction has 1602 states and 2221 transitions. [2021-11-21 01:51:47,329 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-21 01:51:47,330 INFO L276 IsEmpty]: Start isEmpty. Operand 1602 states and 2221 transitions. [2021-11-21 01:51:47,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-21 01:51:47,333 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:51:47,334 INFO L514 BasicCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:51:47,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-21 01:51:47,334 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:51:47,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:51:47,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1921342246, now seen corresponding path program 1 times [2021-11-21 01:51:47,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:51:47,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403998259] [2021-11-21 01:51:47,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:51:47,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:51:47,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:51:47,511 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-21 01:51:47,511 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:51:47,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403998259] [2021-11-21 01:51:47,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403998259] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:51:47,512 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:51:47,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:51:47,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589540119] [2021-11-21 01:51:47,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:51:47,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:51:47,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:51:47,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:51:47,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:51:47,514 INFO L87 Difference]: Start difference. First operand 1602 states and 2221 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2021-11-21 01:51:48,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:51:48,210 INFO L93 Difference]: Finished difference Result 1660 states and 2286 transitions. [2021-11-21 01:51:48,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:51:48,211 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 118 [2021-11-21 01:51:48,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:51:48,226 INFO L225 Difference]: With dead ends: 1660 [2021-11-21 01:51:48,226 INFO L226 Difference]: Without dead ends: 1657 [2021-11-21 01:51:48,227 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:51:48,228 INFO L933 BasicCegarLoop]: 658 mSDtfsCounter, 197 mSDsluCounter, 1190 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 1653 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-21 01:51:48,229 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [234 Valid, 1653 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-21 01:51:48,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1657 states. [2021-11-21 01:51:48,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1657 to 1655. [2021-11-21 01:51:48,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1655 states, 1047 states have (on average 1.3514804202483286) internal successors, (1415), 1089 states have internal predecessors, (1415), 433 states have call successors, (433), 177 states have call predecessors, (433), 174 states have return successors, (430), 412 states have call predecessors, (430), 430 states have call successors, (430) [2021-11-21 01:51:48,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1655 states and 2278 transitions. [2021-11-21 01:51:48,361 INFO L78 Accepts]: Start accepts. Automaton has 1655 states and 2278 transitions. Word has length 118 [2021-11-21 01:51:48,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:51:48,361 INFO L470 AbstractCegarLoop]: Abstraction has 1655 states and 2278 transitions. [2021-11-21 01:51:48,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2021-11-21 01:51:48,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 2278 transitions. [2021-11-21 01:51:48,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-21 01:51:48,367 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:51:48,367 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:51:48,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-21 01:51:48,368 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:51:48,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:51:48,368 INFO L85 PathProgramCache]: Analyzing trace with hash 2138743519, now seen corresponding path program 1 times [2021-11-21 01:51:48,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:51:48,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370243621] [2021-11-21 01:51:48,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:51:48,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:51:48,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:51:48,559 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-11-21 01:51:48,559 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:51:48,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370243621] [2021-11-21 01:51:48,559 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370243621] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:51:48,560 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:51:48,560 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:51:48,560 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924015826] [2021-11-21 01:51:48,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:51:48,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:51:48,561 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:51:48,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:51:48,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:51:48,562 INFO L87 Difference]: Start difference. First operand 1655 states and 2278 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-21 01:51:49,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:51:49,262 INFO L93 Difference]: Finished difference Result 1655 states and 2278 transitions. [2021-11-21 01:51:49,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:51:49,263 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 132 [2021-11-21 01:51:49,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:51:49,263 INFO L225 Difference]: With dead ends: 1655 [2021-11-21 01:51:49,264 INFO L226 Difference]: Without dead ends: 0 [2021-11-21 01:51:49,269 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:51:49,270 INFO L933 BasicCegarLoop]: 507 mSDtfsCounter, 806 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 232 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 809 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 232 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-21 01:51:49,271 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [809 Valid, 544 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [232 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-21 01:51:49,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-21 01:51:49,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-21 01:51:49,272 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) [2021-11-21 01:51:49,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-21 01:51:49,273 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 132 [2021-11-21 01:51:49,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:51:49,274 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-21 01:51:49,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-21 01:51:49,274 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-21 01:51:49,274 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-21 01:51:49,277 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-21 01:51:49,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-21 01:51:49,280 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-21 01:51:54,358 INFO L861 garLoopResultBuilder]: At program point L3291-2(lines 3291 3295) the Hoare annotation is: true [2021-11-21 01:51:54,358 INFO L858 garLoopResultBuilder]: For program point L3287-1(line 3287) no Hoare annotation was computed. [2021-11-21 01:51:54,359 INFO L861 garLoopResultBuilder]: At program point L3287(line 3287) the Hoare annotation is: true [2021-11-21 01:51:54,359 INFO L858 garLoopResultBuilder]: For program point L3285-1(line 3285) no Hoare annotation was computed. [2021-11-21 01:51:54,359 INFO L861 garLoopResultBuilder]: At program point L3285(line 3285) the Hoare annotation is: true [2021-11-21 01:51:54,359 INFO L858 garLoopResultBuilder]: For program point L3283-1(line 3283) no Hoare annotation was computed. [2021-11-21 01:51:54,359 INFO L861 garLoopResultBuilder]: At program point L3283(line 3283) the Hoare annotation is: true [2021-11-21 01:51:54,359 INFO L858 garLoopResultBuilder]: For program point L3281(line 3281) no Hoare annotation was computed. [2021-11-21 01:51:54,359 INFO L861 garLoopResultBuilder]: At program point copy_from_userENTRY(lines 3270 3301) the Hoare annotation is: true [2021-11-21 01:51:54,359 INFO L858 garLoopResultBuilder]: For program point copy_from_userEXIT(lines 3270 3301) no Hoare annotation was computed. [2021-11-21 01:51:54,360 INFO L858 garLoopResultBuilder]: For program point L3296(line 3296) no Hoare annotation was computed. [2021-11-21 01:51:54,360 INFO L861 garLoopResultBuilder]: At program point L3290(line 3290) the Hoare annotation is: true [2021-11-21 01:51:54,360 INFO L858 garLoopResultBuilder]: For program point L3290-1(line 3290) no Hoare annotation was computed. [2021-11-21 01:51:54,360 INFO L858 garLoopResultBuilder]: For program point L3286(lines 3286 3297) no Hoare annotation was computed. [2021-11-21 01:51:54,360 INFO L858 garLoopResultBuilder]: For program point L3286-2(lines 3282 3298) no Hoare annotation was computed. [2021-11-21 01:51:54,361 INFO L858 garLoopResultBuilder]: For program point L3282(lines 3282 3298) no Hoare annotation was computed. [2021-11-21 01:51:54,361 INFO L861 garLoopResultBuilder]: At program point L3280(line 3280) the Hoare annotation is: true [2021-11-21 01:51:54,361 INFO L861 garLoopResultBuilder]: At program point L3280-1(line 3280) the Hoare annotation is: true [2021-11-21 01:51:54,361 INFO L858 garLoopResultBuilder]: For program point atomic_setEXIT(lines 3093 3099) no Hoare annotation was computed. [2021-11-21 01:51:54,361 INFO L861 garLoopResultBuilder]: At program point atomic_setENTRY(lines 3093 3099) the Hoare annotation is: true [2021-11-21 01:51:54,362 INFO L861 garLoopResultBuilder]: At program point L3370(line 3370) the Hoare annotation is: true [2021-11-21 01:51:54,362 INFO L858 garLoopResultBuilder]: For program point L3370-1(line 3370) no Hoare annotation was computed. [2021-11-21 01:51:54,362 INFO L861 garLoopResultBuilder]: At program point L3366(line 3366) the Hoare annotation is: true [2021-11-21 01:51:54,362 INFO L861 garLoopResultBuilder]: At program point L3364(line 3364) the Hoare annotation is: true [2021-11-21 01:51:54,362 INFO L858 garLoopResultBuilder]: For program point L3366-1(line 3366) no Hoare annotation was computed. [2021-11-21 01:51:54,362 INFO L858 garLoopResultBuilder]: For program point L3364-1(line 3364) no Hoare annotation was computed. [2021-11-21 01:51:54,363 INFO L861 garLoopResultBuilder]: At program point L3358(line 3358) the Hoare annotation is: true [2021-11-21 01:51:54,363 INFO L858 garLoopResultBuilder]: For program point L3358-1(line 3358) no Hoare annotation was computed. [2021-11-21 01:51:54,363 INFO L858 garLoopResultBuilder]: For program point phantom_statusEXIT(lines 3348 3377) no Hoare annotation was computed. [2021-11-21 01:51:54,363 INFO L861 garLoopResultBuilder]: At program point phantom_statusENTRY(lines 3348 3377) the Hoare annotation is: true [2021-11-21 01:51:54,363 INFO L858 garLoopResultBuilder]: For program point L3371-1(line 3371) no Hoare annotation was computed. [2021-11-21 01:51:54,364 INFO L861 garLoopResultBuilder]: At program point L3371(line 3371) the Hoare annotation is: true [2021-11-21 01:51:54,364 INFO L858 garLoopResultBuilder]: For program point L3369(lines 3369 3373) no Hoare annotation was computed. [2021-11-21 01:51:54,364 INFO L858 garLoopResultBuilder]: For program point L3367-1(line 3367) no Hoare annotation was computed. [2021-11-21 01:51:54,364 INFO L861 garLoopResultBuilder]: At program point L3367(line 3367) the Hoare annotation is: true [2021-11-21 01:51:54,364 INFO L858 garLoopResultBuilder]: For program point L3369-2(lines 3363 3373) no Hoare annotation was computed. [2021-11-21 01:51:54,365 INFO L858 garLoopResultBuilder]: For program point L3365-1(line 3365) no Hoare annotation was computed. [2021-11-21 01:51:54,365 INFO L861 garLoopResultBuilder]: At program point L3365(line 3365) the Hoare annotation is: true [2021-11-21 01:51:54,365 INFO L858 garLoopResultBuilder]: For program point L3363(lines 3363 3373) no Hoare annotation was computed. [2021-11-21 01:51:54,365 INFO L854 garLoopResultBuilder]: At program point L3931(line 3931) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~ldv_mutex_open_lock_of_phantom_device~0 1)) (not (= ~ldv_mutex_phantom_mutex~0 1)) (= ~ldv_state_variable_3~0 0)) [2021-11-21 01:51:54,366 INFO L858 garLoopResultBuilder]: For program point L3929(line 3929) no Hoare annotation was computed. [2021-11-21 01:51:54,366 INFO L858 garLoopResultBuilder]: For program point L3927-1(line 3927) no Hoare annotation was computed. [2021-11-21 01:51:54,366 INFO L854 garLoopResultBuilder]: At program point L3927(line 3927) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~ldv_mutex_open_lock_of_phantom_device~0 1)) (not (= ~ldv_mutex_phantom_mutex~0 1)) (= ~ldv_state_variable_3~0 0)) [2021-11-21 01:51:54,366 INFO L858 garLoopResultBuilder]: For program point L3925-1(line 3925) no Hoare annotation was computed. [2021-11-21 01:51:54,367 INFO L854 garLoopResultBuilder]: At program point L3925(line 3925) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~ldv_mutex_open_lock_of_phantom_device~0 1)) (not (= ~ldv_mutex_phantom_mutex~0 1)) (= ~ldv_state_variable_3~0 0)) [2021-11-21 01:51:54,367 INFO L858 garLoopResultBuilder]: For program point L3923-1(line 3923) no Hoare annotation was computed. [2021-11-21 01:51:54,367 INFO L854 garLoopResultBuilder]: At program point L3923(line 3923) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~ldv_mutex_open_lock_of_phantom_device~0 1)) (not (= ~ldv_mutex_phantom_mutex~0 1)) (= ~ldv_state_variable_3~0 0)) [2021-11-21 01:51:54,367 INFO L861 garLoopResultBuilder]: At program point L3917-1(line 3917) the Hoare annotation is: true [2021-11-21 01:51:54,368 INFO L854 garLoopResultBuilder]: At program point L3917(line 3917) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= |old(~ldv_state_variable_3~0)| 0)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~ldv_mutex_open_lock_of_phantom_device~0 1)) (not (= ~ldv_mutex_phantom_mutex~0 1)) (= ~ldv_state_variable_3~0 0)) [2021-11-21 01:51:54,368 INFO L854 garLoopResultBuilder]: At program point phantom_removeENTRY(lines 3912 3934) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= |old(~ldv_state_variable_3~0)| 0)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~ldv_mutex_open_lock_of_phantom_device~0 1)) (not (= ~ldv_mutex_phantom_mutex~0 1)) (= ~ldv_state_variable_3~0 0)) [2021-11-21 01:51:54,368 INFO L858 garLoopResultBuilder]: For program point phantom_removeEXIT(lines 3912 3934) no Hoare annotation was computed. [2021-11-21 01:51:54,368 INFO L854 garLoopResultBuilder]: At program point L3928(line 3928) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~ldv_mutex_open_lock_of_phantom_device~0 1)) (not (= ~ldv_mutex_phantom_mutex~0 1)) (= ~ldv_state_variable_3~0 0)) [2021-11-21 01:51:54,369 INFO L854 garLoopResultBuilder]: At program point L3926(line 3926) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~ldv_mutex_open_lock_of_phantom_device~0 1)) (not (= ~ldv_mutex_phantom_mutex~0 1)) (= ~ldv_state_variable_3~0 0)) [2021-11-21 01:51:54,369 INFO L854 garLoopResultBuilder]: At program point L3928-1(line 3928) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~ldv_mutex_open_lock_of_phantom_device~0 1)) (not (= ~ldv_mutex_phantom_mutex~0 1)) (= ~ldv_state_variable_3~0 0)) [2021-11-21 01:51:54,369 INFO L854 garLoopResultBuilder]: At program point L3924(line 3924) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~ldv_mutex_open_lock_of_phantom_device~0 1)) (not (= ~ldv_mutex_phantom_mutex~0 1)) (= ~ldv_state_variable_3~0 0)) [2021-11-21 01:51:54,369 INFO L858 garLoopResultBuilder]: For program point L3926-1(line 3926) no Hoare annotation was computed. [2021-11-21 01:51:54,370 INFO L854 garLoopResultBuilder]: At program point L3922(line 3922) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~ldv_mutex_open_lock_of_phantom_device~0 1)) (not (= ~ldv_mutex_phantom_mutex~0 1)) (= ~ldv_state_variable_3~0 0)) [2021-11-21 01:51:54,370 INFO L858 garLoopResultBuilder]: For program point phantom_removeFINAL(lines 3912 3934) no Hoare annotation was computed. [2021-11-21 01:51:54,370 INFO L858 garLoopResultBuilder]: For program point L3924-1(line 3924) no Hoare annotation was computed. [2021-11-21 01:51:54,370 INFO L858 garLoopResultBuilder]: For program point L3922-1(line 3922) no Hoare annotation was computed. [2021-11-21 01:51:54,370 INFO L861 garLoopResultBuilder]: At program point pci_release_regionsENTRY(lines 5129 5131) the Hoare annotation is: true [2021-11-21 01:51:54,371 INFO L858 garLoopResultBuilder]: For program point pci_release_regionsEXIT(lines 5129 5131) no Hoare annotation was computed. [2021-11-21 01:51:54,371 INFO L858 garLoopResultBuilder]: For program point L3714-1(line 3714) no Hoare annotation was computed. [2021-11-21 01:51:54,371 INFO L861 garLoopResultBuilder]: At program point L3690(line 3690) the Hoare annotation is: true [2021-11-21 01:51:54,371 INFO L858 garLoopResultBuilder]: For program point L3690-1(line 3690) no Hoare annotation was computed. [2021-11-21 01:51:54,371 INFO L858 garLoopResultBuilder]: For program point phantom_pollEXIT(lines 3671 3720) no Hoare annotation was computed. [2021-11-21 01:51:54,372 INFO L858 garLoopResultBuilder]: For program point L3691(lines 3691 3695) no Hoare annotation was computed. [2021-11-21 01:51:54,372 INFO L861 garLoopResultBuilder]: At program point L3691-2(lines 3691 3695) the Hoare annotation is: true [2021-11-21 01:51:54,372 INFO L861 garLoopResultBuilder]: At program point L3712(line 3712) the Hoare annotation is: true [2021-11-21 01:51:54,372 INFO L858 garLoopResultBuilder]: For program point L3712-1(line 3712) no Hoare annotation was computed. [2021-11-21 01:51:54,372 INFO L861 garLoopResultBuilder]: At program point L3700(line 3700) the Hoare annotation is: true [2021-11-21 01:51:54,373 INFO L861 garLoopResultBuilder]: At program point phantom_pollENTRY(lines 3671 3720) the Hoare annotation is: true [2021-11-21 01:51:54,373 INFO L858 garLoopResultBuilder]: For program point L3700-1(line 3700) no Hoare annotation was computed. [2021-11-21 01:51:54,373 INFO L861 garLoopResultBuilder]: At program point L3692(line 3692) the Hoare annotation is: true [2021-11-21 01:51:54,373 INFO L858 garLoopResultBuilder]: For program point L3692-1(line 3692) no Hoare annotation was computed. [2021-11-21 01:51:54,373 INFO L858 garLoopResultBuilder]: For program point L3713(lines 3713 3717) no Hoare annotation was computed. [2021-11-21 01:51:54,374 INFO L858 garLoopResultBuilder]: For program point L3713-2(lines 3713 3717) no Hoare annotation was computed. [2021-11-21 01:51:54,374 INFO L858 garLoopResultBuilder]: For program point L3701-2(lines 3697 3705) no Hoare annotation was computed. [2021-11-21 01:51:54,374 INFO L858 garLoopResultBuilder]: For program point L3697(lines 3697 3705) no Hoare annotation was computed. [2021-11-21 01:51:54,374 INFO L861 garLoopResultBuilder]: At program point L3714(line 3714) the Hoare annotation is: true [2021-11-21 01:51:54,374 INFO L858 garLoopResultBuilder]: For program point pci_get_drvdataEXIT(lines 3254 3260) no Hoare annotation was computed. [2021-11-21 01:51:54,374 INFO L861 garLoopResultBuilder]: At program point L5069(line 5069) the Hoare annotation is: true [2021-11-21 01:51:54,375 INFO L861 garLoopResultBuilder]: At program point L5069-1(line 5069) the Hoare annotation is: true [2021-11-21 01:51:54,375 INFO L861 garLoopResultBuilder]: At program point pci_get_drvdataENTRY(lines 3254 3260) the Hoare annotation is: true [2021-11-21 01:51:54,375 INFO L861 garLoopResultBuilder]: At program point iowrite32ENTRY(lines 5088 5090) the Hoare annotation is: true [2021-11-21 01:51:54,375 INFO L858 garLoopResultBuilder]: For program point iowrite32EXIT(lines 5088 5090) no Hoare annotation was computed. [2021-11-21 01:51:54,375 INFO L861 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-11-21 01:51:54,376 INFO L861 garLoopResultBuilder]: At program point L-1-3(line -1) the Hoare annotation is: true [2021-11-21 01:51:54,376 INFO L861 garLoopResultBuilder]: At program point #Ultimate.C_memcpyENTRY(line -1) the Hoare annotation is: true [2021-11-21 01:51:54,376 INFO L858 garLoopResultBuilder]: For program point #Ultimate.C_memcpyEXIT(line -1) no Hoare annotation was computed. [2021-11-21 01:51:54,376 INFO L861 garLoopResultBuilder]: At program point spin_unlock_irqrestoreENTRY(lines 3171 3177) the Hoare annotation is: true [2021-11-21 01:51:54,376 INFO L858 garLoopResultBuilder]: For program point spin_unlock_irqrestoreEXIT(lines 3171 3177) no Hoare annotation was computed. [2021-11-21 01:51:54,377 INFO L861 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 3224 3233) the Hoare annotation is: true [2021-11-21 01:51:54,377 INFO L858 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 3224 3233) no Hoare annotation was computed. [2021-11-21 01:51:54,377 INFO L858 garLoopResultBuilder]: For program point kfreeEXIT(lines 5164 5166) no Hoare annotation was computed. [2021-11-21 01:51:54,377 INFO L861 garLoopResultBuilder]: At program point kfreeENTRY(lines 5164 5166) the Hoare annotation is: true [2021-11-21 01:51:54,377 INFO L861 garLoopResultBuilder]: At program point free_irqENTRY(lines 5081 5083) the Hoare annotation is: true [2021-11-21 01:51:54,378 INFO L858 garLoopResultBuilder]: For program point free_irqEXIT(lines 5081 5083) no Hoare annotation was computed. [2021-11-21 01:51:54,378 INFO L858 garLoopResultBuilder]: For program point pci_iomapEXIT(lines 5123 5125) no Hoare annotation was computed. [2021-11-21 01:51:54,378 INFO L861 garLoopResultBuilder]: At program point pci_iomapENTRY(lines 5123 5125) the Hoare annotation is: true [2021-11-21 01:51:54,378 INFO L858 garLoopResultBuilder]: For program point L5124-1(line 5124) no Hoare annotation was computed. [2021-11-21 01:51:54,378 INFO L861 garLoopResultBuilder]: At program point L5124(line 5124) the Hoare annotation is: true [2021-11-21 01:51:54,379 INFO L861 garLoopResultBuilder]: At program point pci_iounmapENTRY(lines 5126 5128) the Hoare annotation is: true [2021-11-21 01:51:54,379 INFO L858 garLoopResultBuilder]: For program point pci_iounmapEXIT(lines 5126 5128) no Hoare annotation was computed. [2021-11-21 01:51:54,379 INFO L861 garLoopResultBuilder]: At program point might_faultFINAL(lines 5091 5093) the Hoare annotation is: true [2021-11-21 01:51:54,379 INFO L858 garLoopResultBuilder]: For program point might_faultEXIT(lines 5091 5093) no Hoare annotation was computed. [2021-11-21 01:51:54,379 INFO L858 garLoopResultBuilder]: For program point class_destroyEXIT(lines 5058 5060) no Hoare annotation was computed. [2021-11-21 01:51:54,380 INFO L861 garLoopResultBuilder]: At program point class_destroyENTRY(lines 5058 5060) the Hoare annotation is: true [2021-11-21 01:51:54,380 INFO L861 garLoopResultBuilder]: At program point mutex_unlockENTRY(lines 5105 5107) the Hoare annotation is: true [2021-11-21 01:51:54,380 INFO L858 garLoopResultBuilder]: For program point mutex_unlockEXIT(lines 5105 5107) no Hoare annotation was computed. [2021-11-21 01:51:54,380 INFO L858 garLoopResultBuilder]: For program point class_remove_fileEXIT(lines 5061 5063) no Hoare annotation was computed. [2021-11-21 01:51:54,380 INFO L861 garLoopResultBuilder]: At program point class_remove_fileENTRY(lines 5061 5063) the Hoare annotation is: true [2021-11-21 01:51:54,381 INFO L861 garLoopResultBuilder]: At program point pci_disable_deviceENTRY(lines 5116 5118) the Hoare annotation is: true [2021-11-21 01:51:54,381 INFO L858 garLoopResultBuilder]: For program point pci_disable_deviceEXIT(lines 5116 5118) no Hoare annotation was computed. [2021-11-21 01:51:54,381 INFO L858 garLoopResultBuilder]: For program point copy_to_userEXIT(lines 3302 3309) no Hoare annotation was computed. [2021-11-21 01:51:54,381 INFO L861 garLoopResultBuilder]: At program point copy_to_userENTRY(lines 3302 3309) the Hoare annotation is: true [2021-11-21 01:51:54,381 INFO L861 garLoopResultBuilder]: At program point L3305-1(line 3305) the Hoare annotation is: true [2021-11-21 01:51:54,382 INFO L861 garLoopResultBuilder]: At program point L3305(line 3305) the Hoare annotation is: true [2021-11-21 01:51:54,382 INFO L861 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 4428 4433) the Hoare annotation is: true [2021-11-21 01:51:54,382 INFO L858 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4431) no Hoare annotation was computed. [2021-11-21 01:51:54,382 INFO L858 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 4428 4433) no Hoare annotation was computed. [2021-11-21 01:51:54,383 INFO L858 garLoopResultBuilder]: For program point unregister_chrdev_regionEXIT(lines 5154 5156) no Hoare annotation was computed. [2021-11-21 01:51:54,383 INFO L861 garLoopResultBuilder]: At program point unregister_chrdev_regionENTRY(lines 5154 5156) the Hoare annotation is: true [2021-11-21 01:51:54,383 INFO L858 garLoopResultBuilder]: For program point _raw_spin_lock_irqsaveEXIT(lines 5031 5033) no Hoare annotation was computed. [2021-11-21 01:51:54,383 INFO L861 garLoopResultBuilder]: At program point _raw_spin_lock_irqsaveENTRY(lines 5031 5033) the Hoare annotation is: true [2021-11-21 01:51:54,383 INFO L854 garLoopResultBuilder]: At program point ldv_mutex_unlock_open_lock_of_phantom_deviceENTRY(lines 4846 4856) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= 2 |old(~ldv_mutex_open_lock_of_phantom_device~0)|))) (.cse4 (= ~ldv_mutex_open_lock_of_phantom_device~0 2))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_mutex_phantom_mutex~0 1)) .cse4) (or .cse0 (not (= ~ldv_mutex_phantom_mutex~0 2)) .cse1 .cse2 .cse3 .cse4))) [2021-11-21 01:51:54,384 INFO L858 garLoopResultBuilder]: For program point L4849(lines 4849 4852) no Hoare annotation was computed. [2021-11-21 01:51:54,384 INFO L858 garLoopResultBuilder]: For program point ldv_mutex_unlock_open_lock_of_phantom_deviceEXIT(lines 4846 4856) no Hoare annotation was computed. [2021-11-21 01:51:54,384 INFO L854 garLoopResultBuilder]: At program point L4851(line 4851) the Hoare annotation is: (let ((.cse0 (not (= ~ldv_mutex_lock~0 1))) (.cse1 (not (= 1 ~ldv_mutex_mutex_of_device~0))) (.cse2 (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1))) (.cse3 (not (= 2 |old(~ldv_mutex_open_lock_of_phantom_device~0)|)))) (and (or .cse0 (not (= ~ldv_mutex_phantom_mutex~0 2)) .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~ldv_mutex_phantom_mutex~0 1))))) [2021-11-21 01:51:54,384 INFO L858 garLoopResultBuilder]: For program point L4851-1(lines 4849 4852) no Hoare annotation was computed. [2021-11-21 01:51:54,385 INFO L861 garLoopResultBuilder]: At program point ldv__builtin_expectENTRY(lines 4435 4440) the Hoare annotation is: true [2021-11-21 01:51:54,385 INFO L858 garLoopResultBuilder]: For program point ldv__builtin_expectEXIT(lines 4435 4440) no Hoare annotation was computed. [2021-11-21 01:51:54,385 INFO L858 garLoopResultBuilder]: For program point atomic_readEXIT(lines 3087 3092) no Hoare annotation was computed. [2021-11-21 01:51:54,385 INFO L861 garLoopResultBuilder]: At program point atomic_readENTRY(lines 3087 3092) the Hoare annotation is: true [2021-11-21 01:51:54,385 INFO L861 garLoopResultBuilder]: At program point ioread32ENTRY(lines 5085 5087) the Hoare annotation is: true [2021-11-21 01:51:54,386 INFO L858 garLoopResultBuilder]: For program point ioread32EXIT(lines 5085 5087) no Hoare annotation was computed. [2021-11-21 01:51:54,386 INFO L861 garLoopResultBuilder]: At program point mutex_lockENTRY(lines 5094 5096) the Hoare annotation is: true [2021-11-21 01:51:54,386 INFO L858 garLoopResultBuilder]: For program point mutex_lockEXIT(lines 5094 5096) no Hoare annotation was computed. [2021-11-21 01:51:54,386 INFO L858 garLoopResultBuilder]: For program point _copy_from_userEXIT(lines 5020 5022) no Hoare annotation was computed. [2021-11-21 01:51:54,387 INFO L861 garLoopResultBuilder]: At program point _copy_from_userENTRY(lines 5020 5022) the Hoare annotation is: true [2021-11-21 01:51:54,387 INFO L854 garLoopResultBuilder]: At program point L3900(lines 3813 3910) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,387 INFO L858 garLoopResultBuilder]: For program point L4759(lines 4759 4762) no Hoare annotation was computed. [2021-11-21 01:51:54,387 INFO L858 garLoopResultBuilder]: For program point L4165(line 4165) no Hoare annotation was computed. [2021-11-21 01:51:54,387 INFO L854 garLoopResultBuilder]: At program point L4991(line 4991) the Hoare annotation is: false [2021-11-21 01:51:54,388 INFO L861 garLoopResultBuilder]: At program point L4991-1(lines 4970 4995) the Hoare annotation is: true [2021-11-21 01:51:54,388 INFO L854 garLoopResultBuilder]: At program point L3901(lines 3813 3910) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,388 INFO L854 garLoopResultBuilder]: At program point L4793(line 4793) the Hoare annotation is: false [2021-11-21 01:51:54,388 INFO L854 garLoopResultBuilder]: At program point L4793-1(lines 4791 4794) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,389 INFO L858 garLoopResultBuilder]: For program point L3637(lines 3637 3642) no Hoare annotation was computed. [2021-11-21 01:51:54,389 INFO L858 garLoopResultBuilder]: For program point L4166(lines 4166 4170) no Hoare annotation was computed. [2021-11-21 01:51:54,389 INFO L858 garLoopResultBuilder]: For program point L4166-2(lines 4149 4204) no Hoare annotation was computed. [2021-11-21 01:51:54,389 INFO L854 garLoopResultBuilder]: At program point L4133(lines 4082 4273) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,389 INFO L854 garLoopResultBuilder]: At program point L4001(lines 4001 4005) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,390 INFO L858 garLoopResultBuilder]: For program point L3869-1(line 3869) no Hoare annotation was computed. [2021-11-21 01:51:54,390 INFO L854 garLoopResultBuilder]: At program point L3869(line 3869) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,390 INFO L858 garLoopResultBuilder]: For program point L4893(lines 4893 4896) no Hoare annotation was computed. [2021-11-21 01:51:54,390 INFO L854 garLoopResultBuilder]: At program point L4761(line 4761) the Hoare annotation is: false [2021-11-21 01:51:54,391 INFO L854 garLoopResultBuilder]: At program point L4761-1(lines 4759 4762) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 2) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,391 INFO L858 garLoopResultBuilder]: For program point L4167-1(line 4167) no Hoare annotation was computed. [2021-11-21 01:51:54,391 INFO L854 garLoopResultBuilder]: At program point L4167(line 4167) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,391 INFO L854 garLoopResultBuilder]: At program point L3870(line 3870) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,391 INFO L854 garLoopResultBuilder]: At program point L3903(lines 3813 3910) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,392 INFO L858 garLoopResultBuilder]: For program point L3837(lines 3837 3841) no Hoare annotation was computed. [2021-11-21 01:51:54,392 INFO L854 garLoopResultBuilder]: At program point L3870-1(line 3870) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,392 INFO L854 garLoopResultBuilder]: At program point L4399(line 4399) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_open_lock_of_phantom_device~0 2)) [2021-11-21 01:51:54,392 INFO L854 garLoopResultBuilder]: At program point L4399-1(lines 4395 4402) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_open_lock_of_phantom_device~0 2)) [2021-11-21 01:51:54,392 INFO L854 garLoopResultBuilder]: At program point L4366(line 4366) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 2) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_open_lock_of_phantom_device~0 2) (= |ULTIMATE.start_phantom_open_~tmp~9#1| 0)) [2021-11-21 01:51:54,392 INFO L858 garLoopResultBuilder]: For program point L4234(line 4234) no Hoare annotation was computed. [2021-11-21 01:51:54,392 INFO L854 garLoopResultBuilder]: At program point L4366-1(line 4366) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 2) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,392 INFO L854 garLoopResultBuilder]: At program point L4036(line 4036) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,393 INFO L854 garLoopResultBuilder]: At program point L4036-1(line 4036) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,393 INFO L854 garLoopResultBuilder]: At program point L4895(line 4895) the Hoare annotation is: false [2021-11-21 01:51:54,393 INFO L854 garLoopResultBuilder]: At program point L4895-1(lines 4893 4896) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,393 INFO L854 garLoopResultBuilder]: At program point L4367(lines 4363 4370) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 2) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,393 INFO L858 garLoopResultBuilder]: For program point L4235(lines 4235 4240) no Hoare annotation was computed. [2021-11-21 01:51:54,393 INFO L854 garLoopResultBuilder]: At program point L4268(lines 4082 4273) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,393 INFO L858 garLoopResultBuilder]: For program point L4235-2(lines 4212 4260) no Hoare annotation was computed. [2021-11-21 01:51:54,393 INFO L854 garLoopResultBuilder]: At program point L4037(line 4037) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,393 INFO L854 garLoopResultBuilder]: At program point L3872(lines 3872 3876) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,393 INFO L858 garLoopResultBuilder]: For program point L4236-1(line 4236) no Hoare annotation was computed. [2021-11-21 01:51:54,394 INFO L854 garLoopResultBuilder]: At program point L4236(line 4236) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,394 INFO L858 garLoopResultBuilder]: For program point L4038(line 4038) no Hoare annotation was computed. [2021-11-21 01:51:54,394 INFO L854 garLoopResultBuilder]: At program point L3906(lines 3813 3910) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,394 INFO L858 garLoopResultBuilder]: For program point L3939-1(line 3939) no Hoare annotation was computed. [2021-11-21 01:51:54,394 INFO L854 garLoopResultBuilder]: At program point L3939(line 3939) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,394 INFO L854 garLoopResultBuilder]: At program point L4997(line 4997) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,394 INFO L854 garLoopResultBuilder]: At program point L4997-1(line 4997) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,395 INFO L854 garLoopResultBuilder]: At program point L3907(lines 3813 3910) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,395 INFO L854 garLoopResultBuilder]: At program point L4172(line 4172) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,395 INFO L858 garLoopResultBuilder]: For program point L4172-1(line 4172) no Hoare annotation was computed. [2021-11-21 01:51:54,395 INFO L854 garLoopResultBuilder]: At program point L4007(lines 4007 4011) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,396 INFO L858 garLoopResultBuilder]: For program point L3941-1(line 3941) no Hoare annotation was computed. [2021-11-21 01:51:54,396 INFO L854 garLoopResultBuilder]: At program point L3941(line 3941) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,396 INFO L854 garLoopResultBuilder]: At program point L3842(line 3842) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,396 INFO L858 garLoopResultBuilder]: For program point L3842-1(line 3842) no Hoare annotation was computed. [2021-11-21 01:51:54,396 INFO L854 garLoopResultBuilder]: At program point L3644(line 3644) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 2) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_open_lock_of_phantom_device~0 2) (= |ULTIMATE.start_phantom_open_~tmp~9#1| 0)) [2021-11-21 01:51:54,397 INFO L854 garLoopResultBuilder]: At program point L3644-1(line 3644) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 2) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_open_lock_of_phantom_device~0 2) (= |ULTIMATE.start_phantom_open_~tmp~9#1| 0)) [2021-11-21 01:51:54,397 INFO L854 garLoopResultBuilder]: At program point L3942(line 3942) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,397 INFO L854 garLoopResultBuilder]: At program point L3909(lines 3801 3911) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,397 INFO L854 garLoopResultBuilder]: At program point L3942-1(line 3942) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,398 INFO L858 garLoopResultBuilder]: For program point L3843(lines 3843 3847) no Hoare annotation was computed. [2021-11-21 01:51:54,398 INFO L854 garLoopResultBuilder]: At program point L3645-2(lines 3645 3649) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 2) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_open_lock_of_phantom_device~0 2) (= |ULTIMATE.start_phantom_open_~tmp~9#1| 0)) [2021-11-21 01:51:54,398 INFO L854 garLoopResultBuilder]: At program point L4339(line 4339) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 2) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,398 INFO L854 garLoopResultBuilder]: At program point L4339-1(lines 4335 4342) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 2) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,398 INFO L854 garLoopResultBuilder]: At program point L4406(line 4406) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_open_lock_of_phantom_device~0 2)) [2021-11-21 01:51:54,399 INFO L854 garLoopResultBuilder]: At program point L4406-1(line 4406) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,399 INFO L854 garLoopResultBuilder]: At program point L3878(lines 3878 3882) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,399 INFO L854 garLoopResultBuilder]: At program point L4407(lines 4403 4410) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,399 INFO L854 garLoopResultBuilder]: At program point L4374(line 4374) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 2) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,400 INFO L854 garLoopResultBuilder]: At program point L4242(line 4242) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,400 INFO L854 garLoopResultBuilder]: At program point L4374-1(line 4374) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,400 INFO L858 garLoopResultBuilder]: For program point L4110(line 4110) no Hoare annotation was computed. [2021-11-21 01:51:54,400 INFO L858 garLoopResultBuilder]: For program point L4209(line 4209) no Hoare annotation was computed. [2021-11-21 01:51:54,400 INFO L858 garLoopResultBuilder]: For program point L4242-1(line 4242) no Hoare annotation was computed. [2021-11-21 01:51:54,401 INFO L854 garLoopResultBuilder]: At program point L4375(lines 4371 4378) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,401 INFO L858 garLoopResultBuilder]: For program point L4210(lines 4210 4263) no Hoare annotation was computed. [2021-11-21 01:51:54,401 INFO L854 garLoopResultBuilder]: At program point L4177(line 4177) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,401 INFO L858 garLoopResultBuilder]: For program point L4111(lines 4111 4144) no Hoare annotation was computed. [2021-11-21 01:51:54,402 INFO L854 garLoopResultBuilder]: At program point L4045-1(line 4045) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,402 INFO L854 garLoopResultBuilder]: At program point L4045(line 4045) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,402 INFO L854 garLoopResultBuilder]: At program point L3616(line 3616) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,402 INFO L854 garLoopResultBuilder]: At program point L3616-1(line 3616) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,402 INFO L854 garLoopResultBuilder]: At program point L3848(line 3848) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,403 INFO L858 garLoopResultBuilder]: For program point L3815(lines 3815 3819) no Hoare annotation was computed. [2021-11-21 01:51:54,403 INFO L858 garLoopResultBuilder]: For program point L3848-1(line 3848) no Hoare annotation was computed. [2021-11-21 01:51:54,403 INFO L858 garLoopResultBuilder]: For program point L3650(line 3650) no Hoare annotation was computed. [2021-11-21 01:51:54,403 INFO L858 garLoopResultBuilder]: For program point L4146(line 4146) no Hoare annotation was computed. [2021-11-21 01:51:54,403 INFO L854 garLoopResultBuilder]: At program point L4014(lines 4014 4018) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,404 INFO L858 garLoopResultBuilder]: For program point L4114(line 4114) no Hoare annotation was computed. [2021-11-21 01:51:54,404 INFO L858 garLoopResultBuilder]: For program point L4213(line 4213) no Hoare annotation was computed. [2021-11-21 01:51:54,404 INFO L858 garLoopResultBuilder]: For program point L4147(lines 4147 4207) no Hoare annotation was computed. [2021-11-21 01:51:54,404 INFO L858 garLoopResultBuilder]: For program point L3850(lines 3850 3854) no Hoare annotation was computed. [2021-11-21 01:51:54,404 INFO L858 garLoopResultBuilder]: For program point L4973(lines 4973 4976) no Hoare annotation was computed. [2021-11-21 01:51:54,405 INFO L854 garLoopResultBuilder]: At program point L3652(line 3652) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 2) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_open_lock_of_phantom_device~0 2) (= |ULTIMATE.start_phantom_open_~tmp~9#1| 0)) [2021-11-21 01:51:54,405 INFO L858 garLoopResultBuilder]: For program point L3652-1(line 3652) no Hoare annotation was computed. [2021-11-21 01:51:54,405 INFO L854 garLoopResultBuilder]: At program point L4214(lines 4214 4222) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,405 INFO L854 garLoopResultBuilder]: At program point L4115(lines 4115 4120) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,406 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-11-21 01:51:54,406 INFO L858 garLoopResultBuilder]: For program point L4248(line 4248) no Hoare annotation was computed. [2021-11-21 01:51:54,406 INFO L854 garLoopResultBuilder]: At program point L4975(line 4975) the Hoare annotation is: false [2021-11-21 01:51:54,406 INFO L858 garLoopResultBuilder]: For program point L4975-1(lines 4972 4994) no Hoare annotation was computed. [2021-11-21 01:51:54,406 INFO L858 garLoopResultBuilder]: For program point L3951-1(line 3951) no Hoare annotation was computed. [2021-11-21 01:51:54,407 INFO L854 garLoopResultBuilder]: At program point L3951(line 3951) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,407 INFO L854 garLoopResultBuilder]: At program point L3885-1(line 3885) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,407 INFO L854 garLoopResultBuilder]: At program point L3885(line 3885) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,407 INFO L858 garLoopResultBuilder]: For program point L3786(lines 3786 3789) no Hoare annotation was computed. [2021-11-21 01:51:54,407 INFO L858 garLoopResultBuilder]: For program point L4150(line 4150) no Hoare annotation was computed. [2021-11-21 01:51:54,408 INFO L858 garLoopResultBuilder]: For program point L4249(lines 4249 4256) no Hoare annotation was computed. [2021-11-21 01:51:54,408 INFO L854 garLoopResultBuilder]: At program point L4382(line 4382) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 2) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_open_lock_of_phantom_device~0 2) (= |ULTIMATE.start_phantom_open_~tmp~9#1| 0)) [2021-11-21 01:51:54,408 INFO L854 garLoopResultBuilder]: At program point L4382-1(line 4382) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 2) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,408 INFO L858 garLoopResultBuilder]: For program point L4184(line 4184) no Hoare annotation was computed. [2021-11-21 01:51:54,408 INFO L858 garLoopResultBuilder]: For program point L4151(lines 4151 4156) no Hoare annotation was computed. [2021-11-21 01:51:54,409 INFO L854 garLoopResultBuilder]: At program point L3953-1(line 3953) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,409 INFO L854 garLoopResultBuilder]: At program point L3953(line 3953) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,409 INFO L854 garLoopResultBuilder]: At program point L3821(lines 3821 3826) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,409 INFO L854 garLoopResultBuilder]: At program point L3656(lines 3620 3658) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,410 INFO L854 garLoopResultBuilder]: At program point L4383(lines 4379 4386) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 2) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,410 INFO L858 garLoopResultBuilder]: For program point L4185(lines 4185 4193) no Hoare annotation was computed. [2021-11-21 01:51:54,410 INFO L858 garLoopResultBuilder]: For program point L3855-1(line 3855) no Hoare annotation was computed. [2021-11-21 01:51:54,410 INFO L854 garLoopResultBuilder]: At program point L3855(line 3855) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,410 INFO L854 garLoopResultBuilder]: At program point L4979(line 4979) the Hoare annotation is: false [2021-11-21 01:51:54,411 INFO L858 garLoopResultBuilder]: For program point L4979-1(lines 4972 4994) no Hoare annotation was computed. [2021-11-21 01:51:54,411 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-21 01:51:54,411 INFO L854 garLoopResultBuilder]: At program point L4022(line 4022) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,411 INFO L858 garLoopResultBuilder]: For program point L4022-1(line 4022) no Hoare annotation was computed. [2021-11-21 01:51:54,411 INFO L854 garLoopResultBuilder]: At program point L3857(lines 3857 3861) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,412 INFO L854 garLoopResultBuilder]: At program point L3791(lines 3782 3799) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,412 INFO L858 garLoopResultBuilder]: For program point L4122(line 4122) no Hoare annotation was computed. [2021-11-21 01:51:54,412 INFO L854 garLoopResultBuilder]: At program point L4023(lines 3989 4029) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,412 INFO L858 garLoopResultBuilder]: For program point L4123(lines 4123 4137) no Hoare annotation was computed. [2021-11-21 01:51:54,413 INFO L854 garLoopResultBuilder]: At program point L4024(lines 3989 4029) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,413 INFO L854 garLoopResultBuilder]: At program point L3992(line 3992) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,413 INFO L854 garLoopResultBuilder]: At program point L4983(line 4983) the Hoare annotation is: false [2021-11-21 01:51:54,413 INFO L858 garLoopResultBuilder]: For program point L4983-1(lines 4972 4994) no Hoare annotation was computed. [2021-11-21 01:51:54,413 INFO L858 garLoopResultBuilder]: For program point L3992-1(line 3992) no Hoare annotation was computed. [2021-11-21 01:51:54,414 INFO L858 garLoopResultBuilder]: For program point L3893-1(line 3893) no Hoare annotation was computed. [2021-11-21 01:51:54,414 INFO L854 garLoopResultBuilder]: At program point L3893(line 3893) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,414 INFO L858 garLoopResultBuilder]: For program point L4158(line 4158) no Hoare annotation was computed. [2021-11-21 01:51:54,414 INFO L858 garLoopResultBuilder]: For program point L4224(line 4224) no Hoare annotation was computed. [2021-11-21 01:51:54,414 INFO L854 garLoopResultBuilder]: At program point L4092(line 4092) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,415 INFO L854 garLoopResultBuilder]: At program point L4026(lines 3989 4029) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,415 INFO L858 garLoopResultBuilder]: For program point L4125-2(lines 4123 4136) no Hoare annotation was computed. [2021-11-21 01:51:54,415 INFO L854 garLoopResultBuilder]: At program point L3993(lines 3993 3999) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,415 INFO L854 garLoopResultBuilder]: At program point L3894(lines 3813 3910) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,415 INFO L854 garLoopResultBuilder]: At program point L3795(lines 3782 3799) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,416 INFO L854 garLoopResultBuilder]: At program point L4390(line 4390) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 2) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,416 INFO L854 garLoopResultBuilder]: At program point L4390-1(line 4390) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,416 INFO L858 garLoopResultBuilder]: For program point L4225(lines 4225 4232) no Hoare annotation was computed. [2021-11-21 01:51:54,416 INFO L854 garLoopResultBuilder]: At program point L4159(lines 4159 4163) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,416 INFO L858 garLoopResultBuilder]: For program point L3895-1(line 3895) no Hoare annotation was computed. [2021-11-21 01:51:54,417 INFO L854 garLoopResultBuilder]: At program point L3895(line 3895) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,417 INFO L858 garLoopResultBuilder]: For program point L3829(lines 3829 3833) no Hoare annotation was computed. [2021-11-21 01:51:54,417 INFO L854 garLoopResultBuilder]: At program point L4391(lines 4387 4394) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,417 INFO L854 garLoopResultBuilder]: At program point L4358(line 4358) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 2) (= ~ldv_mutex_lock~0 1) (= (+ |ULTIMATE.start_phantom_open_~tmp~9#1| 4) 0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,418 INFO L854 garLoopResultBuilder]: At program point L4358-1(line 4358) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= (+ |ULTIMATE.start_phantom_open_~tmp~9#1| 4) 0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,418 INFO L854 garLoopResultBuilder]: At program point L4028(lines 3982 4030) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= ~ldv_state_variable_0~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,418 INFO L854 garLoopResultBuilder]: At program point L3896(lines 3813 3910) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,418 INFO L854 garLoopResultBuilder]: At program point L3863-1(line 3863) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,418 INFO L854 garLoopResultBuilder]: At program point L3863(line 3863) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,419 INFO L858 garLoopResultBuilder]: For program point L3665-1(line 3665) no Hoare annotation was computed. [2021-11-21 01:51:54,419 INFO L858 garLoopResultBuilder]: For program point L3632(lines 3632 3636) no Hoare annotation was computed. [2021-11-21 01:51:54,419 INFO L854 garLoopResultBuilder]: At program point L3665(line 3665) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1) (= ~ldv_mutex_open_lock_of_phantom_device~0 2)) [2021-11-21 01:51:54,419 INFO L854 garLoopResultBuilder]: At program point L4359(lines 4355 4362) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= (+ |ULTIMATE.start_phantom_open_~tmp~9#1| 4) 0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,420 INFO L854 garLoopResultBuilder]: At program point L3236(line 3236) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,420 INFO L854 garLoopResultBuilder]: At program point L3236-1(line 3236) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,420 INFO L854 garLoopResultBuilder]: At program point L4987(line 4987) the Hoare annotation is: false [2021-11-21 01:51:54,420 INFO L858 garLoopResultBuilder]: For program point L4987-1(lines 4972 4994) no Hoare annotation was computed. [2021-11-21 01:51:54,420 INFO L858 garLoopResultBuilder]: For program point L3897-1(line 3897) no Hoare annotation was computed. [2021-11-21 01:51:54,421 INFO L854 garLoopResultBuilder]: At program point L3897(line 3897) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,421 INFO L858 garLoopResultBuilder]: For program point L4195(line 4195) no Hoare annotation was computed. [2021-11-21 01:51:54,421 INFO L854 garLoopResultBuilder]: At program point L3898(lines 3813 3910) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,421 INFO L858 garLoopResultBuilder]: For program point L4196(lines 4196 4200) no Hoare annotation was computed. [2021-11-21 01:51:54,421 INFO L858 garLoopResultBuilder]: For program point L3899-1(line 3899) no Hoare annotation was computed. [2021-11-21 01:51:54,422 INFO L854 garLoopResultBuilder]: At program point L3899(line 3899) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,422 INFO L858 garLoopResultBuilder]: For program point L4791(lines 4791 4794) no Hoare annotation was computed. [2021-11-21 01:51:54,422 INFO L858 garLoopResultBuilder]: For program point L4197-1(line 4197) no Hoare annotation was computed. [2021-11-21 01:51:54,422 INFO L854 garLoopResultBuilder]: At program point L4197(line 4197) the Hoare annotation is: (and (= ~ldv_mutex_open_lock_of_phantom_device~0 1) (= 1 ~ldv_mutex_mutex_of_device~0) (= ~ldv_mutex_phantom_mutex~0 1) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) [2021-11-21 01:51:54,422 INFO L861 garLoopResultBuilder]: At program point spinlock_checkENTRY(lines 3151 3156) the Hoare annotation is: true [2021-11-21 01:51:54,423 INFO L858 garLoopResultBuilder]: For program point spinlock_checkEXIT(lines 3151 3156) no Hoare annotation was computed. [2021-11-21 01:51:54,423 INFO L861 garLoopResultBuilder]: At program point L3520(line 3520) the Hoare annotation is: true [2021-11-21 01:51:54,423 INFO L858 garLoopResultBuilder]: For program point L3520-1(line 3520) no Hoare annotation was computed. [2021-11-21 01:51:54,423 INFO L858 garLoopResultBuilder]: For program point phantom_ioctlEXIT(lines 3378 3605) no Hoare annotation was computed. [2021-11-21 01:51:54,423 INFO L858 garLoopResultBuilder]: For program point L3537(line 3537) no Hoare annotation was computed. [2021-11-21 01:51:54,423 INFO L858 garLoopResultBuilder]: For program point L3587(line 3587) no Hoare annotation was computed. [2021-11-21 01:51:54,424 INFO L861 garLoopResultBuilder]: At program point L3488(line 3488) the Hoare annotation is: true [2021-11-21 01:51:54,424 INFO L858 garLoopResultBuilder]: For program point L3521(lines 3521 3524) no Hoare annotation was computed. [2021-11-21 01:51:54,424 INFO L858 garLoopResultBuilder]: For program point L3455-1(line 3455) no Hoare annotation was computed. [2021-11-21 01:51:54,424 INFO L861 garLoopResultBuilder]: At program point L3455(line 3455) the Hoare annotation is: true [2021-11-21 01:51:54,424 INFO L858 garLoopResultBuilder]: For program point L3488-1(line 3488) no Hoare annotation was computed. [2021-11-21 01:51:54,425 INFO L861 garLoopResultBuilder]: At program point L3538(line 3538) the Hoare annotation is: true [2021-11-21 01:51:54,425 INFO L858 garLoopResultBuilder]: For program point L3538-1(line 3538) no Hoare annotation was computed. [2021-11-21 01:51:54,425 INFO L861 garLoopResultBuilder]: At program point L3588(line 3588) the Hoare annotation is: true [2021-11-21 01:51:54,425 INFO L858 garLoopResultBuilder]: For program point L3588-1(line 3588) no Hoare annotation was computed. [2021-11-21 01:51:54,425 INFO L861 garLoopResultBuilder]: At program point L3456(line 3456) the Hoare annotation is: true [2021-11-21 01:51:54,426 INFO L858 garLoopResultBuilder]: For program point L3423(lines 3423 3426) no Hoare annotation was computed. [2021-11-21 01:51:54,426 INFO L858 garLoopResultBuilder]: For program point L3456-1(line 3456) no Hoare annotation was computed. [2021-11-21 01:51:54,426 INFO L861 garLoopResultBuilder]: At program point L3572(lines 3415 3601) the Hoare annotation is: true [2021-11-21 01:51:54,426 INFO L858 garLoopResultBuilder]: For program point L3539(lines 3539 3542) no Hoare annotation was computed. [2021-11-21 01:51:54,426 INFO L858 garLoopResultBuilder]: For program point L3589-1(line 3589) no Hoare annotation was computed. [2021-11-21 01:51:54,427 INFO L861 garLoopResultBuilder]: At program point L3589(line 3589) the Hoare annotation is: true [2021-11-21 01:51:54,427 INFO L858 garLoopResultBuilder]: For program point L3457-2(lines 3457 3460) no Hoare annotation was computed. [2021-11-21 01:51:54,427 INFO L861 garLoopResultBuilder]: At program point L3457-4(lines 3457 3460) the Hoare annotation is: true [2021-11-21 01:51:54,427 INFO L861 garLoopResultBuilder]: At program point L3507(lines 3490 3515) the Hoare annotation is: true [2021-11-21 01:51:54,427 INFO L858 garLoopResultBuilder]: For program point L3590(lines 3590 3595) no Hoare annotation was computed. [2021-11-21 01:51:54,428 INFO L858 garLoopResultBuilder]: For program point phantom_ioctlFINAL(lines 3378 3605) no Hoare annotation was computed. [2021-11-21 01:51:54,428 INFO L858 garLoopResultBuilder]: For program point L3557-1(line 3557) no Hoare annotation was computed. [2021-11-21 01:51:54,428 INFO L861 garLoopResultBuilder]: At program point L3557(line 3557) the Hoare annotation is: true [2021-11-21 01:51:54,428 INFO L861 garLoopResultBuilder]: At program point L3458(line 3458) the Hoare annotation is: true [2021-11-21 01:51:54,428 INFO L858 garLoopResultBuilder]: For program point L3458-1(line 3458) no Hoare annotation was computed. [2021-11-21 01:51:54,428 INFO L861 garLoopResultBuilder]: At program point L3558-2(lines 3558 3561) the Hoare annotation is: true [2021-11-21 01:51:54,429 INFO L858 garLoopResultBuilder]: For program point L3525(lines 3525 3528) no Hoare annotation was computed. [2021-11-21 01:51:54,429 INFO L861 garLoopResultBuilder]: At program point L3476(line 3476) the Hoare annotation is: true [2021-11-21 01:51:54,429 INFO L858 garLoopResultBuilder]: For program point L3476-1(line 3476) no Hoare annotation was computed. [2021-11-21 01:51:54,429 INFO L861 garLoopResultBuilder]: At program point L3592(line 3592) the Hoare annotation is: true [2021-11-21 01:51:54,429 INFO L858 garLoopResultBuilder]: For program point L3592-1(line 3592) no Hoare annotation was computed. [2021-11-21 01:51:54,430 INFO L858 garLoopResultBuilder]: For program point L3427-1(line 3427) no Hoare annotation was computed. [2021-11-21 01:51:54,430 INFO L861 garLoopResultBuilder]: At program point L3427(line 3427) the Hoare annotation is: true [2021-11-21 01:51:54,430 INFO L861 garLoopResultBuilder]: At program point L3576(lines 3415 3601) the Hoare annotation is: true [2021-11-21 01:51:54,430 INFO L861 garLoopResultBuilder]: At program point L3444(line 3444) the Hoare annotation is: true [2021-11-21 01:51:54,430 INFO L858 garLoopResultBuilder]: For program point L3444-1(line 3444) no Hoare annotation was computed. [2021-11-21 01:51:54,431 INFO L861 garLoopResultBuilder]: At program point L3477-2(lines 3477 3480) the Hoare annotation is: true [2021-11-21 01:51:54,431 INFO L861 garLoopResultBuilder]: At program point L3428(line 3428) the Hoare annotation is: true [2021-11-21 01:51:54,431 INFO L858 garLoopResultBuilder]: For program point L3428-1(line 3428) no Hoare annotation was computed. [2021-11-21 01:51:54,431 INFO L858 garLoopResultBuilder]: For program point L3429-2(lines 3429 3437) no Hoare annotation was computed. [2021-11-21 01:51:54,431 INFO L858 garLoopResultBuilder]: For program point L3429-4(lines 3429 3437) no Hoare annotation was computed. [2021-11-21 01:51:54,432 INFO L858 garLoopResultBuilder]: For program point L3562(line 3562) no Hoare annotation was computed. [2021-11-21 01:51:54,432 INFO L858 garLoopResultBuilder]: For program point L3529-1(line 3529) no Hoare annotation was computed. [2021-11-21 01:51:54,432 INFO L861 garLoopResultBuilder]: At program point L3529(line 3529) the Hoare annotation is: true [2021-11-21 01:51:54,432 INFO L861 garLoopResultBuilder]: At program point L3430(line 3430) the Hoare annotation is: true [2021-11-21 01:51:54,432 INFO L858 garLoopResultBuilder]: For program point L3430-1(line 3430) no Hoare annotation was computed. [2021-11-21 01:51:54,433 INFO L861 garLoopResultBuilder]: At program point L3579(line 3579) the Hoare annotation is: true [2021-11-21 01:51:54,433 INFO L861 garLoopResultBuilder]: At program point L3530(line 3530) the Hoare annotation is: true [2021-11-21 01:51:54,433 INFO L858 garLoopResultBuilder]: For program point L3563-1(line 3563) no Hoare annotation was computed. [2021-11-21 01:51:54,433 INFO L861 garLoopResultBuilder]: At program point L3563(line 3563) the Hoare annotation is: true [2021-11-21 01:51:54,433 INFO L858 garLoopResultBuilder]: For program point L3464(line 3464) no Hoare annotation was computed. [2021-11-21 01:51:54,434 INFO L858 garLoopResultBuilder]: For program point L3530-1(line 3530) no Hoare annotation was computed. [2021-11-21 01:51:54,434 INFO L858 garLoopResultBuilder]: For program point L3431(lines 3431 3435) no Hoare annotation was computed. [2021-11-21 01:51:54,434 INFO L861 garLoopResultBuilder]: At program point L3580(line 3580) the Hoare annotation is: true [2021-11-21 01:51:54,434 INFO L861 garLoopResultBuilder]: At program point L3514(line 3514) the Hoare annotation is: true [2021-11-21 01:51:54,434 INFO L858 garLoopResultBuilder]: For program point L3481(line 3481) no Hoare annotation was computed. [2021-11-21 01:51:54,434 INFO L858 garLoopResultBuilder]: For program point L3514-1(line 3514) no Hoare annotation was computed. [2021-11-21 01:51:54,435 INFO L861 garLoopResultBuilder]: At program point L3597(line 3597) the Hoare annotation is: true [2021-11-21 01:51:54,435 INFO L858 garLoopResultBuilder]: For program point L3531(lines 3531 3534) no Hoare annotation was computed. [2021-11-21 01:51:54,435 INFO L861 garLoopResultBuilder]: At program point L3432(line 3432) the Hoare annotation is: true [2021-11-21 01:51:54,435 INFO L858 garLoopResultBuilder]: For program point L3465-1(line 3465) no Hoare annotation was computed. [2021-11-21 01:51:54,435 INFO L861 garLoopResultBuilder]: At program point L3465(line 3465) the Hoare annotation is: true [2021-11-21 01:51:54,436 INFO L858 garLoopResultBuilder]: For program point L3432-1(line 3432) no Hoare annotation was computed. [2021-11-21 01:51:54,436 INFO L858 garLoopResultBuilder]: For program point L3581(line 3581) no Hoare annotation was computed. [2021-11-21 01:51:54,436 INFO L861 garLoopResultBuilder]: At program point L3482(line 3482) the Hoare annotation is: true [2021-11-21 01:51:54,436 INFO L858 garLoopResultBuilder]: For program point L3482-1(line 3482) no Hoare annotation was computed. [2021-11-21 01:51:54,436 INFO L861 garLoopResultBuilder]: At program point phantom_ioctlENTRY(lines 3378 3605) the Hoare annotation is: true [2021-11-21 01:51:54,437 INFO L858 garLoopResultBuilder]: For program point L3466(lines 3466 3469) no Hoare annotation was computed. [2021-11-21 01:51:54,437 INFO L858 garLoopResultBuilder]: For program point L3582(lines 3582 3585) no Hoare annotation was computed. [2021-11-21 01:51:54,437 INFO L861 garLoopResultBuilder]: At program point L3483-1(lines 3483 3515) the Hoare annotation is: true [2021-11-21 01:51:54,437 INFO L858 garLoopResultBuilder]: For program point L3483(lines 3483 3515) no Hoare annotation was computed. [2021-11-21 01:51:54,437 INFO L858 garLoopResultBuilder]: For program point L3417(line 3417) no Hoare annotation was computed. [2021-11-21 01:51:54,438 INFO L858 garLoopResultBuilder]: For program point L3599(line 3599) no Hoare annotation was computed. [2021-11-21 01:51:54,438 INFO L861 garLoopResultBuilder]: At program point L3418(line 3418) the Hoare annotation is: true [2021-11-21 01:51:54,438 INFO L858 garLoopResultBuilder]: For program point L3418-1(line 3418) no Hoare annotation was computed. [2021-11-21 01:51:54,438 INFO L858 garLoopResultBuilder]: For program point L3567(lines 3567 3570) no Hoare annotation was computed. [2021-11-21 01:51:54,438 INFO L858 garLoopResultBuilder]: For program point L3567-2(lines 3567 3570) no Hoare annotation was computed. [2021-11-21 01:51:54,438 INFO L858 garLoopResultBuilder]: For program point L3485(lines 3485 3489) no Hoare annotation was computed. [2021-11-21 01:51:54,439 INFO L858 garLoopResultBuilder]: For program point L3419(lines 3419 3422) no Hoare annotation was computed. [2021-11-21 01:51:54,439 INFO L861 garLoopResultBuilder]: At program point L3568(line 3568) the Hoare annotation is: true [2021-11-21 01:51:54,439 INFO L858 garLoopResultBuilder]: For program point L3502(lines 3502 3505) no Hoare annotation was computed. [2021-11-21 01:51:54,439 INFO L858 garLoopResultBuilder]: For program point L3568-1(line 3568) no Hoare annotation was computed. [2021-11-21 01:51:54,439 INFO L858 garLoopResultBuilder]: For program point L3502-2(lines 3502 3505) no Hoare annotation was computed. [2021-11-21 01:51:54,440 INFO L861 garLoopResultBuilder]: At program point L3486(line 3486) the Hoare annotation is: true [2021-11-21 01:51:54,440 INFO L858 garLoopResultBuilder]: For program point L3519(line 3519) no Hoare annotation was computed. [2021-11-21 01:51:54,440 INFO L858 garLoopResultBuilder]: For program point L3486-1(line 3486) no Hoare annotation was computed. [2021-11-21 01:51:54,440 INFO L861 garLoopResultBuilder]: At program point L3602(lines 3412 3604) the Hoare annotation is: true [2021-11-21 01:51:54,440 INFO L858 garLoopResultBuilder]: For program point L3503-1(line 3503) no Hoare annotation was computed. [2021-11-21 01:51:54,441 INFO L861 garLoopResultBuilder]: At program point L3503(line 3503) the Hoare annotation is: true [2021-11-21 01:51:54,441 INFO L854 garLoopResultBuilder]: At program point ldv_mutex_unlock_phantom_mutexENTRY(lines 4948 4958) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (= ~ldv_mutex_phantom_mutex~0 2) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~ldv_mutex_open_lock_of_phantom_device~0 1)) (not (= 2 |old(~ldv_mutex_phantom_mutex~0)|))) [2021-11-21 01:51:54,441 INFO L858 garLoopResultBuilder]: For program point L4951(lines 4951 4954) no Hoare annotation was computed. [2021-11-21 01:51:54,441 INFO L854 garLoopResultBuilder]: At program point L4953(line 4953) the Hoare annotation is: (or (not (= ~ldv_mutex_lock~0 1)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 1)) (not (= ~ldv_mutex_open_lock_of_phantom_device~0 1)) (not (= 2 |old(~ldv_mutex_phantom_mutex~0)|))) [2021-11-21 01:51:54,441 INFO L858 garLoopResultBuilder]: For program point L4953-1(lines 4951 4954) no Hoare annotation was computed. [2021-11-21 01:51:54,442 INFO L858 garLoopResultBuilder]: For program point ldv_mutex_unlock_phantom_mutexEXIT(lines 4948 4958) no Hoare annotation was computed. [2021-11-21 01:51:54,442 INFO L861 garLoopResultBuilder]: At program point IS_ERRENTRY(lines 3080 3086) the Hoare annotation is: true [2021-11-21 01:51:54,442 INFO L858 garLoopResultBuilder]: For program point L3083-1(line 3083) no Hoare annotation was computed. [2021-11-21 01:51:54,442 INFO L861 garLoopResultBuilder]: At program point L3083(line 3083) the Hoare annotation is: true [2021-11-21 01:51:54,442 INFO L858 garLoopResultBuilder]: For program point IS_ERREXIT(lines 3080 3086) no Hoare annotation was computed. [2021-11-21 01:51:54,446 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:51:54,448 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-21 01:51:54,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 01:51:54 BoogieIcfgContainer [2021-11-21 01:51:54,485 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-21 01:51:54,485 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 01:51:54,485 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 01:51:54,486 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 01:51:54,486 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:51:41" (3/4) ... [2021-11-21 01:51:54,490 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-21 01:51:54,497 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_from_user [2021-11-21 01:51:54,497 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure atomic_set [2021-11-21 01:51:54,497 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2021-11-21 01:51:54,497 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure free_irq [2021-11-21 01:51:54,498 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_iomap [2021-11-21 01:51:54,498 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_iounmap [2021-11-21 01:51:54,498 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure might_fault [2021-11-21 01:51:54,498 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure phantom_status [2021-11-21 01:51:54,498 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure class_destroy [2021-11-21 01:51:54,498 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2021-11-21 01:51:54,499 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure class_remove_file [2021-11-21 01:51:54,499 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_disable_device [2021-11-21 01:51:54,499 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_to_user [2021-11-21 01:51:54,499 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2021-11-21 01:51:54,499 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure phantom_remove [2021-11-21 01:51:54,499 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure unregister_chrdev_region [2021-11-21 01:51:54,500 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_release_regions [2021-11-21 01:51:54,500 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure phantom_poll [2021-11-21 01:51:54,500 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure _raw_spin_lock_irqsave [2021-11-21 01:51:54,500 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_open_lock_of_phantom_device [2021-11-21 01:51:54,500 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2021-11-21 01:51:54,501 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_get_drvdata [2021-11-21 01:51:54,501 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure atomic_read [2021-11-21 01:51:54,501 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure iowrite32 [2021-11-21 01:51:54,501 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2021-11-21 01:51:54,501 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ioread32 [2021-11-21 01:51:54,501 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2021-11-21 01:51:54,502 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2021-11-21 01:51:54,502 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2021-11-21 01:51:54,502 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure _copy_from_user [2021-11-21 01:51:54,502 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spinlock_check [2021-11-21 01:51:54,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure phantom_ioctl [2021-11-21 01:51:54,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_phantom_mutex [2021-11-21 01:51:54,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IS_ERR [2021-11-21 01:51:54,542 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 380 nodes and edges [2021-11-21 01:51:54,548 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 138 nodes and edges [2021-11-21 01:51:54,553 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2021-11-21 01:51:54,558 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2021-11-21 01:51:54,563 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-21 01:51:54,568 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-21 01:51:54,573 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-21 01:51:54,924 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffb57136-4ea5-4a5b-bc47-02a3a2d26ef2/bin/utaipan-TEXQjIfE4P/witness.graphml [2021-11-21 01:51:54,924 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 01:51:54,925 INFO L158 Benchmark]: Toolchain (without parser) took 18599.77ms. Allocated memory was 115.3MB in the beginning and 360.7MB in the end (delta: 245.4MB). Free memory was 78.5MB in the beginning and 269.0MB in the end (delta: -190.5MB). Peak memory consumption was 242.0MB. Max. memory is 16.1GB. [2021-11-21 01:51:54,925 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 115.3MB. Free memory is still 68.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 01:51:54,926 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1991.40ms. Allocated memory was 115.3MB in the beginning and 148.9MB in the end (delta: 33.6MB). Free memory was 78.3MB in the beginning and 83.6MB in the end (delta: -5.4MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. [2021-11-21 01:51:54,926 INFO L158 Benchmark]: Boogie Procedure Inliner took 171.48ms. Allocated memory is still 148.9MB. Free memory was 83.6MB in the beginning and 74.7MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 01:51:54,927 INFO L158 Benchmark]: Boogie Preprocessor took 198.07ms. Allocated memory is still 148.9MB. Free memory was 74.7MB in the beginning and 100.8MB in the end (delta: -26.1MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2021-11-21 01:51:54,928 INFO L158 Benchmark]: RCFGBuilder took 2329.83ms. Allocated memory was 148.9MB in the beginning and 213.9MB in the end (delta: 65.0MB). Free memory was 100.8MB in the beginning and 138.5MB in the end (delta: -37.7MB). Peak memory consumption was 78.9MB. Max. memory is 16.1GB. [2021-11-21 01:51:54,929 INFO L158 Benchmark]: TraceAbstraction took 13461.09ms. Allocated memory was 213.9MB in the beginning and 360.7MB in the end (delta: 146.8MB). Free memory was 138.5MB in the beginning and 120.1MB in the end (delta: 18.4MB). Peak memory consumption was 207.5MB. Max. memory is 16.1GB. [2021-11-21 01:51:54,929 INFO L158 Benchmark]: Witness Printer took 438.93ms. Allocated memory is still 360.7MB. Free memory was 120.1MB in the beginning and 269.0MB in the end (delta: -148.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-11-21 01:51:54,931 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 115.3MB. Free memory is still 68.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1991.40ms. Allocated memory was 115.3MB in the beginning and 148.9MB in the end (delta: 33.6MB). Free memory was 78.3MB in the beginning and 83.6MB in the end (delta: -5.4MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 171.48ms. Allocated memory is still 148.9MB. Free memory was 83.6MB in the beginning and 74.7MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 198.07ms. Allocated memory is still 148.9MB. Free memory was 74.7MB in the beginning and 100.8MB in the end (delta: -26.1MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * RCFGBuilder took 2329.83ms. Allocated memory was 148.9MB in the beginning and 213.9MB in the end (delta: 65.0MB). Free memory was 100.8MB in the beginning and 138.5MB in the end (delta: -37.7MB). Peak memory consumption was 78.9MB. Max. memory is 16.1GB. * TraceAbstraction took 13461.09ms. Allocated memory was 213.9MB in the beginning and 360.7MB in the end (delta: 146.8MB). Free memory was 138.5MB in the beginning and 120.1MB in the end (delta: 18.4MB). Peak memory consumption was 207.5MB. Max. memory is 16.1GB. * Witness Printer took 438.93ms. Allocated memory is still 360.7MB. Free memory was 120.1MB in the beginning and 269.0MB in the end (delta: -148.9MB). Peak memory consumption was 37.7MB. 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: 4431]: 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 35 procedures, 422 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.3s, OverallIterations: 11, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5063 SdHoareTripleChecker+Valid, 3.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5023 mSDsluCounter, 9646 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4057 mSDsCounter, 249 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1917 IncrementalHoareTripleChecker+Invalid, 2166 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 249 mSolverCounterUnsat, 6211 mSDtfsCounter, 1917 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1955occurred in iteration=6, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 173 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 222 LocationsWithAnnotation, 3298 PreInvPairs, 3633 NumberOfFragments, 2185 HoareAnnotationTreeSize, 3298 FomulaSimplifications, 628 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 222 FomulaSimplificationsInter, 20108 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 647 NumberOfCodeBlocks, 647 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 636 ConstructedInterpolants, 0 QuantifiedInterpolants, 1058 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 185/185 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: 4335]: Loop Invariant Derived loop invariant: (((ldv_mutex_open_lock_of_phantom_device == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 2) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3171]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3872]: Loop Invariant Derived loop invariant: (((ldv_mutex_open_lock_of_phantom_device == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 5069]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3782]: Loop Invariant Derived loop invariant: (((ldv_mutex_open_lock_of_phantom_device == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3224]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3813]: Loop Invariant Derived loop invariant: (((ldv_mutex_open_lock_of_phantom_device == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3691]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3813]: Loop Invariant Derived loop invariant: (((ldv_mutex_open_lock_of_phantom_device == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3857]: Loop Invariant Derived loop invariant: (((ldv_mutex_open_lock_of_phantom_device == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3989]: Loop Invariant Derived loop invariant: ((((ldv_mutex_open_lock_of_phantom_device == 1 && ldv_state_variable_0 == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4092]: Loop Invariant Derived loop invariant: (((ldv_mutex_open_lock_of_phantom_device == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 4387]: Loop Invariant Derived loop invariant: (((ldv_mutex_open_lock_of_phantom_device == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3412]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3305]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4115]: Loop Invariant Derived loop invariant: (((ldv_mutex_open_lock_of_phantom_device == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3917]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4759]: Loop Invariant Derived loop invariant: (((ldv_mutex_open_lock_of_phantom_device == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 2) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3885]: Loop Invariant Derived loop invariant: (((ldv_mutex_open_lock_of_phantom_device == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 4363]: Loop Invariant Derived loop invariant: (((ldv_mutex_open_lock_of_phantom_device == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 2) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 4403]: Loop Invariant Derived loop invariant: (((ldv_mutex_open_lock_of_phantom_device == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3878]: Loop Invariant Derived loop invariant: (((ldv_mutex_open_lock_of_phantom_device == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 4045]: Loop Invariant Derived loop invariant: (((ldv_mutex_open_lock_of_phantom_device == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 4001]: Loop Invariant Derived loop invariant: ((((ldv_mutex_open_lock_of_phantom_device == 1 && ldv_state_variable_0 == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3782]: Loop Invariant Derived loop invariant: (((ldv_mutex_open_lock_of_phantom_device == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3813]: Loop Invariant Derived loop invariant: (((ldv_mutex_open_lock_of_phantom_device == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 4395]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_mutex_of_device && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_open_lock_of_phantom_device == 2 - InvariantResult [Line: 4082]: Loop Invariant Derived loop invariant: (((ldv_mutex_open_lock_of_phantom_device == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 4082]: Loop Invariant Derived loop invariant: (((ldv_mutex_open_lock_of_phantom_device == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3989]: Loop Invariant Derived loop invariant: ((((ldv_mutex_open_lock_of_phantom_device == 1 && ldv_state_variable_0 == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3953]: Loop Invariant Derived loop invariant: (((ldv_mutex_open_lock_of_phantom_device == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3801]: Loop Invariant Derived loop invariant: (((ldv_mutex_open_lock_of_phantom_device == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3813]: Loop Invariant Derived loop invariant: (((ldv_mutex_open_lock_of_phantom_device == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 4355]: Loop Invariant Derived loop invariant: ((((ldv_mutex_open_lock_of_phantom_device == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && tmp + 4 == 0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3236]: Loop Invariant Derived loop invariant: (((ldv_mutex_open_lock_of_phantom_device == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 4371]: Loop Invariant Derived loop invariant: (((ldv_mutex_open_lock_of_phantom_device == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3863]: Loop Invariant Derived loop invariant: (((ldv_mutex_open_lock_of_phantom_device == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3993]: Loop Invariant Derived loop invariant: ((((ldv_mutex_open_lock_of_phantom_device == 1 && ldv_state_variable_0 == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 4007]: Loop Invariant Derived loop invariant: ((((ldv_mutex_open_lock_of_phantom_device == 1 && ldv_state_variable_0 == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3616]: Loop Invariant Derived loop invariant: (((ldv_mutex_open_lock_of_phantom_device == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3644]: Loop Invariant Derived loop invariant: ((((1 == ldv_mutex_mutex_of_device && ldv_mutex_phantom_mutex == 2) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1) && ldv_mutex_open_lock_of_phantom_device == 2) && tmp == 0 - InvariantResult [Line: 4997]: Loop Invariant Derived loop invariant: ((((ldv_mutex_open_lock_of_phantom_device == 1 && ldv_state_variable_0 == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 4214]: Loop Invariant Derived loop invariant: (((ldv_mutex_open_lock_of_phantom_device == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 4791]: Loop Invariant Derived loop invariant: (((ldv_mutex_open_lock_of_phantom_device == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3982]: Loop Invariant Derived loop invariant: ((((ldv_mutex_open_lock_of_phantom_device == 1 && ldv_state_variable_0 == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3620]: Loop Invariant Derived loop invariant: (((ldv_mutex_open_lock_of_phantom_device == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 4379]: Loop Invariant Derived loop invariant: (((ldv_mutex_open_lock_of_phantom_device == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 2) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 4159]: Loop Invariant Derived loop invariant: (((ldv_mutex_open_lock_of_phantom_device == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3813]: Loop Invariant Derived loop invariant: (((ldv_mutex_open_lock_of_phantom_device == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 4893]: Loop Invariant Derived loop invariant: (((ldv_mutex_open_lock_of_phantom_device == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3415]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4014]: Loop Invariant Derived loop invariant: ((((ldv_mutex_open_lock_of_phantom_device == 1 && ldv_state_variable_0 == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 4177]: Loop Invariant Derived loop invariant: (((ldv_mutex_open_lock_of_phantom_device == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3942]: Loop Invariant Derived loop invariant: (((ldv_mutex_open_lock_of_phantom_device == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 4970]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3415]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3813]: Loop Invariant Derived loop invariant: (((ldv_mutex_open_lock_of_phantom_device == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3870]: Loop Invariant Derived loop invariant: (((ldv_mutex_open_lock_of_phantom_device == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3813]: Loop Invariant Derived loop invariant: (((ldv_mutex_open_lock_of_phantom_device == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3989]: Loop Invariant Derived loop invariant: ((((ldv_mutex_open_lock_of_phantom_device == 1 && ldv_state_variable_0 == 1) && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3490]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3813]: Loop Invariant Derived loop invariant: (((ldv_mutex_open_lock_of_phantom_device == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 - InvariantResult [Line: 3821]: Loop Invariant Derived loop invariant: (((ldv_mutex_open_lock_of_phantom_device == 1 && 1 == ldv_mutex_mutex_of_device) && ldv_mutex_phantom_mutex == 1) && ldv_mutex_lock == 1) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1 RESULT: Ultimate proved your program to be correct! [2021-11-21 01:51:55,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffb57136-4ea5-4a5b-bc47-02a3a2d26ef2/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