./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--mmc--host--sdhci.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e272e3e-0783-46a2-b33d-bc2f43ba765e/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e272e3e-0783-46a2-b33d-bc2f43ba765e/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e272e3e-0783-46a2-b33d-bc2f43ba765e/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e272e3e-0783-46a2-b33d-bc2f43ba765e/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--mmc--host--sdhci.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e272e3e-0783-46a2-b33d-bc2f43ba765e/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e272e3e-0783-46a2-b33d-bc2f43ba765e/bin/utaipan-EQgc7hIp5V --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 71ae762d3463fef3e0ebb4d119521f12329b84181672b3d3c2019f1e21951d6d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:12:26,392 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:12:26,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:12:26,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:12:26,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:12:26,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:12:26,461 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:12:26,465 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:12:26,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:12:26,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:12:26,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:12:26,477 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:12:26,478 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:12:26,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:12:26,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:12:26,488 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:12:26,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:12:26,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:12:26,494 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:12:26,501 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:12:26,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:12:26,505 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:12:26,508 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:12:26,510 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:12:26,519 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:12:26,519 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:12:26,520 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:12:26,522 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:12:26,523 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:12:26,524 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:12:26,525 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:12:26,526 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:12:26,528 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:12:26,529 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:12:26,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:12:26,532 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:12:26,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:12:26,533 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:12:26,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:12:26,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:12:26,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:12:26,536 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e272e3e-0783-46a2-b33d-bc2f43ba765e/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 02:12:26,582 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:12:26,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:12:26,583 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:12:26,583 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:12:26,591 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:12:26,591 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:12:26,591 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:12:26,592 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:12:26,592 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:12:26,592 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:12:26,593 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:12:26,594 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:12:26,594 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:12:26,594 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:12:26,594 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:12:26,595 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:12:26,595 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:12:26,595 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:12:26,596 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:12:26,596 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:12:26,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:12:26,597 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:12:26,597 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:12:26,597 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:12:26,597 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:12:26,598 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:12:26,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:12:26,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:12:26,600 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:12:26,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:12:26,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:12:26,601 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:12:26,601 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:12:26,601 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:12:26,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:12:26,602 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:12:26,602 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:12:26,602 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:12:26,602 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_4e272e3e-0783-46a2-b33d-bc2f43ba765e/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e272e3e-0783-46a2-b33d-bc2f43ba765e/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71ae762d3463fef3e0ebb4d119521f12329b84181672b3d3c2019f1e21951d6d [2021-11-23 02:12:26,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:12:26,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:12:26,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:12:26,944 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:12:26,945 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:12:26,946 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e272e3e-0783-46a2-b33d-bc2f43ba765e/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--mmc--host--sdhci.ko-entry_point.cil.out.i [2021-11-23 02:12:27,052 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e272e3e-0783-46a2-b33d-bc2f43ba765e/bin/utaipan-EQgc7hIp5V/data/db95bb87c/680680e432034c098d803c8016b1a049/FLAG504df97cd [2021-11-23 02:12:28,199 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:12:28,200 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e272e3e-0783-46a2-b33d-bc2f43ba765e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--mmc--host--sdhci.ko-entry_point.cil.out.i [2021-11-23 02:12:28,255 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e272e3e-0783-46a2-b33d-bc2f43ba765e/bin/utaipan-EQgc7hIp5V/data/db95bb87c/680680e432034c098d803c8016b1a049/FLAG504df97cd [2021-11-23 02:12:28,450 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e272e3e-0783-46a2-b33d-bc2f43ba765e/bin/utaipan-EQgc7hIp5V/data/db95bb87c/680680e432034c098d803c8016b1a049 [2021-11-23 02:12:28,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:12:28,454 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:12:28,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:12:28,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:12:28,459 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:12:28,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:12:28" (1/1) ... [2021-11-23 02:12:28,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51e315fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:28, skipping insertion in model container [2021-11-23 02:12:28,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:12:28" (1/1) ... [2021-11-23 02:12:28,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:12:28,638 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:12:30,980 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_4e272e3e-0783-46a2-b33d-bc2f43ba765e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--mmc--host--sdhci.ko-entry_point.cil.out.i[315942,315955] [2021-11-23 02:12:31,032 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:12:31,099 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:12:31,758 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_4e272e3e-0783-46a2-b33d-bc2f43ba765e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--mmc--host--sdhci.ko-entry_point.cil.out.i[315942,315955] [2021-11-23 02:12:31,767 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:12:31,950 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:12:31,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:31 WrapperNode [2021-11-23 02:12:31,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:12:31,952 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:12:31,952 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:12:31,952 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:12:31,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:31" (1/1) ... [2021-11-23 02:12:32,094 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:31" (1/1) ... [2021-11-23 02:12:32,386 INFO L137 Inliner]: procedures = 338, calls = 3359, calls flagged for inlining = 168, calls inlined = 162, statements flattened = 7984 [2021-11-23 02:12:32,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:12:32,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:12:32,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:12:32,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:12:32,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:31" (1/1) ... [2021-11-23 02:12:32,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:31" (1/1) ... [2021-11-23 02:12:32,535 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:31" (1/1) ... [2021-11-23 02:12:32,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:31" (1/1) ... [2021-11-23 02:12:32,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:31" (1/1) ... [2021-11-23 02:12:32,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:31" (1/1) ... [2021-11-23 02:12:32,832 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:31" (1/1) ... [2021-11-23 02:12:32,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:12:32,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:12:32,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:12:32,883 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:12:32,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:31" (1/1) ... [2021-11-23 02:12:32,892 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:12:32,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e272e3e-0783-46a2-b33d-bc2f43ba765e/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:12:32,917 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e272e3e-0783-46a2-b33d-bc2f43ba765e/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:12:33,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e272e3e-0783-46a2-b33d-bc2f43ba765e/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:12:33,098 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_kmap_atomic [2021-11-23 02:12:33,099 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_kmap_atomic [2021-11-23 02:12:33,099 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_dumpregs [2021-11-23 02:12:33,099 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_dumpregs [2021-11-23 02:12:33,099 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-23 02:12:33,099 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_retune_needed [2021-11-23 02:12:33,100 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_retune_needed [2021-11-23 02:12:33,100 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_enable_preset_value [2021-11-23 02:12:33,100 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_enable_preset_value [2021-11-23 02:12:33,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 02:12:33,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 02:12:33,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 02:12:33,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 02:12:33,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 02:12:33,101 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 02:12:33,101 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-23 02:12:33,101 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-23 02:12:33,101 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~TO~VOID [2021-11-23 02:12:33,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~TO~VOID [2021-11-23 02:12:33,102 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 02:12:33,102 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 02:12:33,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-23 02:12:33,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-23 02:12:33,102 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_enable_irq_wakeups [2021-11-23 02:12:33,102 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_enable_irq_wakeups [2021-11-23 02:12:33,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 02:12:33,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 02:12:33,103 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_execute_tuning [2021-11-23 02:12:33,103 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_execute_tuning [2021-11-23 02:12:33,103 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-23 02:12:33,103 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-23 02:12:33,103 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_hw_reset [2021-11-23 02:12:33,104 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_hw_reset [2021-11-23 02:12:33,104 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-23 02:12:33,104 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-23 02:12:33,104 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2021-11-23 02:12:33,104 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2021-11-23 02:12:33,105 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-11-23 02:12:33,105 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-11-23 02:12:33,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 02:12:33,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 02:12:33,105 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_sg_attrs [2021-11-23 02:12:33,106 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_sg_attrs [2021-11-23 02:12:33,106 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-23 02:12:33,106 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-23 02:12:33,106 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-11-23 02:12:33,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-11-23 02:12:33,107 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_kunmap_atomic [2021-11-23 02:12:33,107 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_kunmap_atomic [2021-11-23 02:12:33,108 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 02:12:33,108 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 02:12:33,109 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_enable_sdio_irq [2021-11-23 02:12:33,109 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_enable_sdio_irq [2021-11-23 02:12:33,109 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-11-23 02:12:33,109 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-11-23 02:12:33,109 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_thread_irq [2021-11-23 02:12:33,109 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_thread_irq [2021-11-23 02:12:33,110 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_remove_host [2021-11-23 02:12:33,110 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_remove_host [2021-11-23 02:12:33,110 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_4 [2021-11-23 02:12:33,111 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_4 [2021-11-23 02:12:33,111 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-23 02:12:33,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-23 02:12:33,111 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_check_ro [2021-11-23 02:12:33,112 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_check_ro [2021-11-23 02:12:33,112 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-23 02:12:33,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-23 02:12:33,112 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-23 02:12:33,112 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-23 02:12:33,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:12:33,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_5 [2021-11-23 02:12:33,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_5 [2021-11-23 02:12:33,113 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_get_preset_value [2021-11-23 02:12:33,114 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_get_preset_value [2021-11-23 02:12:33,114 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-11-23 02:12:33,114 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-11-23 02:12:33,114 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_disable_card_detection [2021-11-23 02:12:33,114 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_disable_card_detection [2021-11-23 02:12:33,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:12:33,115 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_prepare_data [2021-11-23 02:12:33,115 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_prepare_data [2021-11-23 02:12:33,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-11-23 02:12:33,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-11-23 02:12:33,116 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_request [2021-11-23 02:12:33,116 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_request [2021-11-23 02:12:33,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 02:12:33,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 02:12:33,117 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-11-23 02:12:33,117 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-11-23 02:12:33,118 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 02:12:33,118 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 02:12:33,118 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_set_voltage [2021-11-23 02:12:33,118 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_set_voltage [2021-11-23 02:12:33,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:12:33,119 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_pre_dma_transfer [2021-11-23 02:12:33,119 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_pre_dma_transfer [2021-11-23 02:12:33,120 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_writeb [2021-11-23 02:12:33,120 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_writeb [2021-11-23 02:12:33,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 02:12:33,120 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_writel [2021-11-23 02:12:33,120 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_writel [2021-11-23 02:12:33,120 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_writew [2021-11-23 02:12:33,120 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_writew [2021-11-23 02:12:33,121 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_reinit [2021-11-23 02:12:33,121 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_reinit [2021-11-23 02:12:33,121 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_next [2021-11-23 02:12:33,121 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_next [2021-11-23 02:12:33,122 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 02:12:33,122 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 02:12:33,122 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_set_timeout [2021-11-23 02:12:33,123 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_set_timeout [2021-11-23 02:12:33,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 02:12:33,126 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-23 02:12:33,126 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-23 02:12:33,126 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_enable_card_detection [2021-11-23 02:12:33,126 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_enable_card_detection [2021-11-23 02:12:33,127 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2021-11-23 02:12:33,129 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2021-11-23 02:12:33,129 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_retune_timer_stop [2021-11-23 02:12:33,129 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_retune_timer_stop [2021-11-23 02:12:33,130 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_set_card_detection [2021-11-23 02:12:33,136 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_set_card_detection [2021-11-23 02:12:33,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 02:12:33,137 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_irq [2021-11-23 02:12:33,137 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_irq [2021-11-23 02:12:33,137 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-23 02:12:33,137 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-23 02:12:33,137 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_runtime_pm_get [2021-11-23 02:12:33,137 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_runtime_pm_get [2021-11-23 02:12:33,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:12:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-23 02:12:33,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-23 02:12:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2021-11-23 02:12:33,138 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2021-11-23 02:12:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 02:12:33,138 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 02:12:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_resume_host [2021-11-23 02:12:33,139 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_resume_host [2021-11-23 02:12:33,139 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_5 [2021-11-23 02:12:33,139 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_5 [2021-11-23 02:12:33,139 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_4 [2021-11-23 02:12:33,139 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_4 [2021-11-23 02:12:33,139 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 02:12:33,139 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 02:12:33,139 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_get_cd [2021-11-23 02:12:33,140 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_get_cd [2021-11-23 02:12:33,140 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_4 [2021-11-23 02:12:33,140 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_4 [2021-11-23 02:12:33,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:12:33,140 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_runtime_pm_put [2021-11-23 02:12:33,140 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_runtime_pm_put [2021-11-23 02:12:33,140 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_regulator_set_ocr [2021-11-23 02:12:33,141 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_regulator_set_ocr [2021-11-23 02:12:33,141 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_finish_data [2021-11-23 02:12:33,141 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_finish_data [2021-11-23 02:12:33,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 02:12:33,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 02:12:33,141 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_do_set_ios [2021-11-23 02:12:33,141 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_do_set_ios [2021-11-23 02:12:33,142 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2021-11-23 02:12:33,142 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2021-11-23 02:12:33,142 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_card_event [2021-11-23 02:12:33,142 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_card_event [2021-11-23 02:12:33,142 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_do_start_signal_voltage_switch [2021-11-23 02:12:33,142 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_do_start_signal_voltage_switch [2021-11-23 02:12:33,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-23 02:12:33,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-23 02:12:33,143 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_card_busy [2021-11-23 02:12:33,143 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_card_busy [2021-11-23 02:12:33,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:12:33,143 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2021-11-23 02:12:33,143 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2021-11-23 02:12:33,143 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_5 [2021-11-23 02:12:33,143 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_5 [2021-11-23 02:12:33,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-23 02:12:33,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-23 02:12:33,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:12:33,144 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_enable_sdio_irq_nolock [2021-11-23 02:12:33,144 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_enable_sdio_irq_nolock [2021-11-23 02:12:33,144 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-23 02:12:33,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-23 02:12:33,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:12:33,145 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 02:12:33,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_4 [2021-11-23 02:12:33,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_4 [2021-11-23 02:12:33,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-11-23 02:12:33,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-11-23 02:12:33,145 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 02:12:33,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 02:12:33,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_3 [2021-11-23 02:12:33,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_3 [2021-11-23 02:12:33,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2021-11-23 02:12:33,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2021-11-23 02:12:33,146 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 02:12:33,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 02:12:33,146 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_do_get_ro [2021-11-23 02:12:33,146 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_do_get_ro [2021-11-23 02:12:33,147 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-11-23 02:12:33,147 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-11-23 02:12:33,147 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_stop [2021-11-23 02:12:33,147 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_stop [2021-11-23 02:12:33,147 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_send_command [2021-11-23 02:12:33,147 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_send_command [2021-11-23 02:12:33,147 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_get_ro [2021-11-23 02:12:33,147 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_get_ro [2021-11-23 02:12:33,148 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2021-11-23 02:12:33,148 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2021-11-23 02:12:33,148 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_do_get_cd [2021-11-23 02:12:33,148 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_do_get_cd [2021-11-23 02:12:33,148 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_set_ios [2021-11-23 02:12:33,148 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_set_ios [2021-11-23 02:12:33,148 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-23 02:12:33,149 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-23 02:12:33,149 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-23 02:12:33,149 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-23 02:12:33,149 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_is_supported_voltage [2021-11-23 02:12:33,149 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_is_supported_voltage [2021-11-23 02:12:33,149 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_runtime_resume_host [2021-11-23 02:12:33,149 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_runtime_resume_host [2021-11-23 02:12:33,150 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-23 02:12:33,150 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-23 02:12:33,150 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-23 02:12:33,150 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-23 02:12:33,150 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_readb [2021-11-23 02:12:33,150 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_readb [2021-11-23 02:12:33,150 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_runtime_pm_bus_off [2021-11-23 02:12:33,150 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_runtime_pm_bus_off [2021-11-23 02:12:33,151 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_init [2021-11-23 02:12:33,151 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_init [2021-11-23 02:12:33,151 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_add_host [2021-11-23 02:12:33,151 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_add_host [2021-11-23 02:12:33,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:12:33,151 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 02:12:33,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-23 02:12:33,152 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_priv [2021-11-23 02:12:33,152 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_priv [2021-11-23 02:12:33,152 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_do_reset [2021-11-23 02:12:33,152 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_do_reset [2021-11-23 02:12:33,153 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_readw [2021-11-23 02:12:33,157 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_readw [2021-11-23 02:12:33,157 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2021-11-23 02:12:33,157 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2021-11-23 02:12:33,157 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_finish_command [2021-11-23 02:12:33,157 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_finish_command [2021-11-23 02:12:33,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:12:33,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:12:33,158 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_readl [2021-11-23 02:12:33,158 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_readl [2021-11-23 02:12:33,159 INFO L130 BoogieDeclarations]: Found specification of procedure sdhci_adma_write_desc [2021-11-23 02:12:33,160 INFO L138 BoogieDeclarations]: Found implementation of procedure sdhci_adma_write_desc [2021-11-23 02:12:33,160 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 02:12:33,160 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 02:12:34,237 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:12:34,243 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:12:35,235 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-23 02:12:46,164 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:12:49,448 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:12:49,448 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 02:12:49,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:12:49 BoogieIcfgContainer [2021-11-23 02:12:49,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:12:49,457 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:12:49,457 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:12:49,461 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:12:49,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:12:28" (1/3) ... [2021-11-23 02:12:49,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cfff2a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:12:49, skipping insertion in model container [2021-11-23 02:12:49,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:12:31" (2/3) ... [2021-11-23 02:12:49,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cfff2a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:12:49, skipping insertion in model container [2021-11-23 02:12:49,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:12:49" (3/3) ... [2021-11-23 02:12:49,474 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--mmc--host--sdhci.ko-entry_point.cil.out.i [2021-11-23 02:12:49,481 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:12:49,481 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:12:49,556 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:12:49,567 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 [2021-11-23 02:12:49,567 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:12:49,647 INFO L276 IsEmpty]: Start isEmpty. Operand has 2165 states, 1360 states have (on average 1.3522058823529413) internal successors, (1839), 1462 states have internal predecessors, (1839), 691 states have call successors, (691), 117 states have call predecessors, (691), 116 states have return successors, (679), 659 states have call predecessors, (679), 679 states have call successors, (679) [2021-11-23 02:12:49,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-23 02:12:49,705 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:12:49,706 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 5, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:12:49,706 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:12:49,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:12:49,711 INFO L85 PathProgramCache]: Analyzing trace with hash 978650440, now seen corresponding path program 1 times [2021-11-23 02:12:49,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:12:49,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393267155] [2021-11-23 02:12:49,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:12:49,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:12:50,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:12:50,520 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2021-11-23 02:12:50,520 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:12:50,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393267155] [2021-11-23 02:12:50,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393267155] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:12:50,522 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:12:50,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:12:50,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214747382] [2021-11-23 02:12:50,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:12:50,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:12:50,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:12:50,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:12:50,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:12:50,609 INFO L87 Difference]: Start difference. First operand has 2165 states, 1360 states have (on average 1.3522058823529413) internal successors, (1839), 1462 states have internal predecessors, (1839), 691 states have call successors, (691), 117 states have call predecessors, (691), 116 states have return successors, (679), 659 states have call predecessors, (679), 679 states have call successors, (679) Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-23 02:12:52,442 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:12:56,906 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:13:01,948 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:13:02,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:13:02,283 INFO L93 Difference]: Finished difference Result 6213 states and 9381 transitions. [2021-11-23 02:13:02,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:13:02,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 167 [2021-11-23 02:13:02,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:13:02,358 INFO L225 Difference]: With dead ends: 6213 [2021-11-23 02:13:02,358 INFO L226 Difference]: Without dead ends: 3989 [2021-11-23 02:13:02,394 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 [2021-11-23 02:13:02,401 INFO L933 BasicCegarLoop]: 3966 mSDtfsCounter, 2831 mSDsluCounter, 3105 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2832 SdHoareTripleChecker+Valid, 6796 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:13:02,402 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2832 Valid, 6796 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 675 Invalid, 2 Unknown, 0 Unchecked, 11.2s Time] [2021-11-23 02:13:02,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3989 states. [2021-11-23 02:13:02,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3989 to 3984. [2021-11-23 02:13:02,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3984 states, 2491 states have (on average 1.3243677238057006) internal successors, (3299), 2660 states have internal predecessors, (3299), 1265 states have call successors, (1265), 228 states have call predecessors, (1265), 227 states have return successors, (1265), 1225 states have call predecessors, (1265), 1264 states have call successors, (1265) [2021-11-23 02:13:02,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3984 states to 3984 states and 5829 transitions. [2021-11-23 02:13:02,926 INFO L78 Accepts]: Start accepts. Automaton has 3984 states and 5829 transitions. Word has length 167 [2021-11-23 02:13:02,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:13:02,927 INFO L470 AbstractCegarLoop]: Abstraction has 3984 states and 5829 transitions. [2021-11-23 02:13:02,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-23 02:13:02,929 INFO L276 IsEmpty]: Start isEmpty. Operand 3984 states and 5829 transitions. [2021-11-23 02:13:02,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-11-23 02:13:02,984 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:13:02,985 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:13:02,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:13:02,986 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:13:02,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:13:02,987 INFO L85 PathProgramCache]: Analyzing trace with hash 358220857, now seen corresponding path program 1 times [2021-11-23 02:13:02,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:13:02,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773149878] [2021-11-23 02:13:02,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:13:02,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:13:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:13:04,486 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2021-11-23 02:13:04,487 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:13:04,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773149878] [2021-11-23 02:13:04,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773149878] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:13:04,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1982377105] [2021-11-23 02:13:04,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:13:04,493 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:13:04,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e272e3e-0783-46a2-b33d-bc2f43ba765e/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:13:04,501 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e272e3e-0783-46a2-b33d-bc2f43ba765e/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:13:04,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e272e3e-0783-46a2-b33d-bc2f43ba765e/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 02:13:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:13:06,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 4546 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 02:13:06,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:13:06,922 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-23 02:13:06,923 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:13:06,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1982377105] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:13:06,923 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 02:13:06,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2021-11-23 02:13:06,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088126885] [2021-11-23 02:13:06,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:13:06,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:13:06,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:13:06,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:13:06,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:13:06,926 INFO L87 Difference]: Start difference. First operand 3984 states and 5829 transitions. Second operand has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-23 02:13:08,974 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:13:13,922 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:13:17,111 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:13:18,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:13:18,681 INFO L93 Difference]: Finished difference Result 7956 states and 11650 transitions. [2021-11-23 02:13:18,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:13:18,682 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 213 [2021-11-23 02:13:18,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:13:18,731 INFO L225 Difference]: With dead ends: 7956 [2021-11-23 02:13:18,731 INFO L226 Difference]: Without dead ends: 3985 [2021-11-23 02:13:18,757 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-23 02:13:18,758 INFO L933 BasicCegarLoop]: 2821 mSDtfsCounter, 1 mSDsluCounter, 6183 mSDsCounter, 0 mSdLazyCounter, 855 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 8447 SdHoareTripleChecker+Invalid, 863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 855 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:13:18,764 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 8447 Invalid, 863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 855 Invalid, 2 Unknown, 0 Unchecked, 11.5s Time] [2021-11-23 02:13:18,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3985 states. [2021-11-23 02:13:18,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3985 to 3985. [2021-11-23 02:13:18,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3985 states, 2492 states have (on average 1.3242375601926164) internal successors, (3300), 2661 states have internal predecessors, (3300), 1265 states have call successors, (1265), 228 states have call predecessors, (1265), 227 states have return successors, (1265), 1225 states have call predecessors, (1265), 1264 states have call successors, (1265) [2021-11-23 02:13:18,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3985 states to 3985 states and 5830 transitions. [2021-11-23 02:13:18,994 INFO L78 Accepts]: Start accepts. Automaton has 3985 states and 5830 transitions. Word has length 213 [2021-11-23 02:13:18,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:13:18,996 INFO L470 AbstractCegarLoop]: Abstraction has 3985 states and 5830 transitions. [2021-11-23 02:13:18,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-23 02:13:18,997 INFO L276 IsEmpty]: Start isEmpty. Operand 3985 states and 5830 transitions. [2021-11-23 02:13:19,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-11-23 02:13:19,030 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:13:19,030 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:13:19,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e272e3e-0783-46a2-b33d-bc2f43ba765e/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 02:13:19,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e272e3e-0783-46a2-b33d-bc2f43ba765e/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:13:19,245 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:13:19,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:13:19,246 INFO L85 PathProgramCache]: Analyzing trace with hash -185028428, now seen corresponding path program 1 times [2021-11-23 02:13:19,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:13:19,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059177888] [2021-11-23 02:13:19,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:13:19,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:13:19,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:13:20,290 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2021-11-23 02:13:20,290 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:13:20,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059177888] [2021-11-23 02:13:20,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059177888] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:13:20,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1711947564] [2021-11-23 02:13:20,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:13:20,291 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:13:20,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e272e3e-0783-46a2-b33d-bc2f43ba765e/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:13:20,292 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e272e3e-0783-46a2-b33d-bc2f43ba765e/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:13:20,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e272e3e-0783-46a2-b33d-bc2f43ba765e/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 02:13:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:13:22,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 4588 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 02:13:22,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:13:22,769 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 96 proven. 1 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-11-23 02:13:22,769 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:13:23,442 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2021-11-23 02:13:23,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1711947564] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:13:23,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2145704833] [2021-11-23 02:13:23,476 INFO L159 IcfgInterpreter]: Started Sifa with 140 locations of interest [2021-11-23 02:13:23,476 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:13:23,482 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:13:23,488 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:13:23,488 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:13:30,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:30,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:30,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:30,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:30,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:30,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:30,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:13:32,833 INFO L244 Elim1Store]: Index analysis took 3140 ms