./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--xen--xen-pciback--xen-pciback.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3adcd3a-cdbb-4d17-ab79-c341a6aabbfa/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3adcd3a-cdbb-4d17-ab79-c341a6aabbfa/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3adcd3a-cdbb-4d17-ab79-c341a6aabbfa/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3adcd3a-cdbb-4d17-ab79-c341a6aabbfa/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--xen--xen-pciback--xen-pciback.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3adcd3a-cdbb-4d17-ab79-c341a6aabbfa/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3adcd3a-cdbb-4d17-ab79-c341a6aabbfa/bin/utaipan-g80aRyZoba --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 b2b9d7c72382c88f92aefc9c5aa67795926d510c5f9617bff26079bf313eaacc --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 02:29:37,225 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:29:37,228 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:29:37,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:29:37,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:29:37,282 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:29:37,285 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:29:37,291 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:29:37,294 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:29:37,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:29:37,302 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:29:37,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:29:37,306 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:29:37,309 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:29:37,310 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:29:37,313 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:29:37,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:29:37,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:29:37,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:29:37,327 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:29:37,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:29:37,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:29:37,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:29:37,335 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:29:37,347 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:29:37,347 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:29:37,348 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:29:37,350 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:29:37,350 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:29:37,352 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:29:37,352 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:29:37,353 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:29:37,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:29:37,358 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:29:37,360 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:29:37,361 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:29:37,362 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:29:37,362 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:29:37,362 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:29:37,363 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:29:37,364 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:29:37,365 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3adcd3a-cdbb-4d17-ab79-c341a6aabbfa/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 02:29:37,416 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:29:37,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:29:37,417 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:29:37,417 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:29:37,418 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:29:37,419 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:29:37,419 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:29:37,419 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:29:37,420 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:29:37,420 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:29:37,421 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:29:37,422 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:29:37,422 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:29:37,422 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:29:37,422 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:29:37,423 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:29:37,423 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:29:37,423 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:29:37,424 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:29:37,425 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:29:37,425 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:29:37,425 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:29:37,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:29:37,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:29:37,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:29:37,426 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:29:37,426 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:29:37,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:29:37,427 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:29:37,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:29:37,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:29:37,428 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:29:37,429 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:29:37,429 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:29:37,429 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:29:37,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:29:37,430 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:29:37,430 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:29:37,430 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_e3adcd3a-cdbb-4d17-ab79-c341a6aabbfa/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3adcd3a-cdbb-4d17-ab79-c341a6aabbfa/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2b9d7c72382c88f92aefc9c5aa67795926d510c5f9617bff26079bf313eaacc [2022-11-22 02:29:37,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:29:37,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:29:37,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:29:37,785 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:29:37,786 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:29:37,788 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3adcd3a-cdbb-4d17-ab79-c341a6aabbfa/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--xen--xen-pciback--xen-pciback.ko-entry_point.cil.out.i [2022-11-22 02:29:40,984 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:29:41,683 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:29:41,684 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3adcd3a-cdbb-4d17-ab79-c341a6aabbfa/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--xen--xen-pciback--xen-pciback.ko-entry_point.cil.out.i [2022-11-22 02:29:41,751 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3adcd3a-cdbb-4d17-ab79-c341a6aabbfa/bin/utaipan-g80aRyZoba/data/e3031a638/85acd23b20374bda8d63d894e3a3436b/FLAGb210c29c6 [2022-11-22 02:29:41,772 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3adcd3a-cdbb-4d17-ab79-c341a6aabbfa/bin/utaipan-g80aRyZoba/data/e3031a638/85acd23b20374bda8d63d894e3a3436b [2022-11-22 02:29:41,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:29:41,778 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:29:41,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:29:41,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:29:41,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:29:41,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:29:41" (1/1) ... [2022-11-22 02:29:41,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@485d07dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:41, skipping insertion in model container [2022-11-22 02:29:41,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:29:41" (1/1) ... [2022-11-22 02:29:41,799 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:29:41,996 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:29:45,573 WARN L237 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_e3adcd3a-cdbb-4d17-ab79-c341a6aabbfa/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--xen--xen-pciback--xen-pciback.ko-entry_point.cil.out.i[360255,360268] [2022-11-22 02:29:45,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:29:45,710 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:29:46,275 WARN L237 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_e3adcd3a-cdbb-4d17-ab79-c341a6aabbfa/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--xen--xen-pciback--xen-pciback.ko-entry_point.cil.out.i[360255,360268] [2022-11-22 02:29:46,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:29:46,551 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:29:46,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:46 WrapperNode [2022-11-22 02:29:46,551 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:29:46,553 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:29:46,553 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:29:46,553 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:29:46,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:46" (1/1) ... [2022-11-22 02:29:46,728 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:46" (1/1) ... [2022-11-22 02:29:47,046 INFO L138 Inliner]: procedures = 437, calls = 4320, calls flagged for inlining = 199, calls inlined = 195, statements flattened = 9548 [2022-11-22 02:29:47,047 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:29:47,048 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:29:47,048 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:29:47,049 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:29:47,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:46" (1/1) ... [2022-11-22 02:29:47,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:46" (1/1) ... [2022-11-22 02:29:47,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:46" (1/1) ... [2022-11-22 02:29:47,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:46" (1/1) ... [2022-11-22 02:29:47,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:46" (1/1) ... [2022-11-22 02:29:47,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:46" (1/1) ... [2022-11-22 02:29:47,520 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:46" (1/1) ... [2022-11-22 02:29:47,557 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:46" (1/1) ... [2022-11-22 02:29:47,618 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:29:47,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:29:47,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:29:47,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:29:47,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:46" (1/1) ... [2022-11-22 02:29:47,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:29:47,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3adcd3a-cdbb-4d17-ab79-c341a6aabbfa/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:29:47,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3adcd3a-cdbb-4d17-ab79-c341a6aabbfa/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:29:47,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3adcd3a-cdbb-4d17-ab79-c341a6aabbfa/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:29:47,728 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_export_device [2022-11-22 02:29:47,729 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_export_device [2022-11-22 02:29:47,729 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_error_resume [2022-11-22 02:29:47,729 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_error_resume [2022-11-22 02:29:47,729 INFO L130 BoogieDeclarations]: Found specification of procedure pci_domain_nr [2022-11-22 02:29:47,729 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_domain_nr [2022-11-22 02:29:47,729 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_add_pci_dev [2022-11-22 02:29:47,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_add_pci_dev [2022-11-22 02:29:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-22 02:29:47,730 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-22 02:29:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure HYPERVISOR_physdev_op [2022-11-22 02:29:47,730 INFO L138 BoogieDeclarations]: Found implementation of procedure HYPERVISOR_physdev_op [2022-11-22 02:29:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure read_dev_bar [2022-11-22 02:29:47,730 INFO L138 BoogieDeclarations]: Found implementation of procedure read_dev_bar [2022-11-22 02:29:47,731 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_frontend_changed [2022-11-22 02:29:47,731 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_frontend_changed [2022-11-22 02:29:47,731 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_setup_backend [2022-11-22 02:29:47,731 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_setup_backend [2022-11-22 02:29:47,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-22 02:29:47,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-22 02:29:47,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 02:29:47,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 02:29:47,732 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_add_pci_dev___0 [2022-11-22 02:29:47,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_add_pci_dev___0 [2022-11-22 02:29:47,732 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2022-11-22 02:29:47,733 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2022-11-22 02:29:47,733 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-22 02:29:47,734 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-22 02:29:47,734 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_attach [2022-11-22 02:29:47,735 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_attach [2022-11-22 02:29:47,735 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibios_err_to_errno [2022-11-22 02:29:47,735 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibios_err_to_errno [2022-11-22 02:29:47,735 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_id_add [2022-11-22 02:29:47,735 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_id_add [2022-11-22 02:29:47,735 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_get_pci_dev [2022-11-22 02:29:47,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_get_pci_dev [2022-11-22 02:29:47,736 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_remove [2022-11-22 02:29:47,736 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_remove [2022-11-22 02:29:47,736 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2022-11-22 02:29:47,736 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2022-11-22 02:29:47,736 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-22 02:29:47,737 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-22 02:29:47,737 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_get_pci_dev [2022-11-22 02:29:47,737 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_get_pci_dev [2022-11-22 02:29:47,737 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-22 02:29:47,737 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-22 02:29:47,737 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_control_isr [2022-11-22 02:29:47,737 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_control_isr [2022-11-22 02:29:47,738 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-22 02:29:47,738 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-22 02:29:47,739 INFO L130 BoogieDeclarations]: Found specification of procedure valid_request [2022-11-22 02:29:47,739 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_request [2022-11-22 02:29:47,739 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_release_devices___0 [2022-11-22 02:29:47,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_release_devices___0 [2022-11-22 02:29:47,739 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-11-22 02:29:47,739 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_add_field [2022-11-22 02:29:47,740 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_add_field [2022-11-22 02:29:47,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-22 02:29:47,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-22 02:29:47,740 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-22 02:29:47,740 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-22 02:29:47,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:29:47,741 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-11-22 02:29:47,741 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-11-22 02:29:47,741 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_find [2022-11-22 02:29:47,741 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_find [2022-11-22 02:29:47,741 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-22 02:29:47,741 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-22 02:29:47,742 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_slot_reset [2022-11-22 02:29:47,742 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_slot_reset [2022-11-22 02:29:47,742 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-22 02:29:47,742 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-22 02:29:47,742 INFO L130 BoogieDeclarations]: Found specification of procedure xen_register_device_domain_owner [2022-11-22 02:29:47,742 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_register_device_domain_owner [2022-11-22 02:29:47,743 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_error_detected [2022-11-22 02:29:47,743 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_error_detected [2022-11-22 02:29:47,744 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-22 02:29:47,744 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-22 02:29:47,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 02:29:47,744 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_switch_state [2022-11-22 02:29:47,745 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_switch_state [2022-11-22 02:29:47,745 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_xenbus_remove [2022-11-22 02:29:47,745 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_xenbus_remove [2022-11-22 02:29:47,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 02:29:47,745 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_xenbus_probe [2022-11-22 02:29:47,746 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_xenbus_probe [2022-11-22 02:29:47,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_15 [2022-11-22 02:29:47,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_15 [2022-11-22 02:29:47,746 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_read_driver_state [2022-11-22 02:29:47,746 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_read_driver_state [2022-11-22 02:29:47,746 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_get [2022-11-22 02:29:47,747 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_get [2022-11-22 02:29:47,747 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_release_pci_dev [2022-11-22 02:29:47,748 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_release_pci_dev [2022-11-22 02:29:47,748 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-22 02:29:47,748 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-22 02:29:47,748 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_reset_function_locked [2022-11-22 02:29:47,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_reset_function_locked [2022-11-22 02:29:47,749 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-22 02:29:47,749 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-22 02:29:47,749 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-11-22 02:29:47,749 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-11-22 02:29:47,749 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_add_fields [2022-11-22 02:29:47,750 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_add_fields [2022-11-22 02:29:47,750 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-11-22 02:29:47,750 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-11-22 02:29:47,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-22 02:29:47,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-22 02:29:47,750 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2022-11-22 02:29:47,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2022-11-22 02:29:47,752 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_probe [2022-11-22 02:29:47,755 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_probe [2022-11-22 02:29:47,755 INFO L130 BoogieDeclarations]: Found specification of procedure device_lock [2022-11-22 02:29:47,756 INFO L138 BoogieDeclarations]: Found implementation of procedure device_lock [2022-11-22 02:29:47,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 02:29:47,756 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-22 02:29:47,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-22 02:29:47,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:29:47,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 02:29:47,758 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-22 02:29:47,764 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-22 02:29:47,764 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 02:29:47,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 02:29:47,765 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2022-11-22 02:29:47,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2022-11-22 02:29:47,765 INFO L130 BoogieDeclarations]: Found specification of procedure driver_create_file [2022-11-22 02:29:47,765 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_create_file [2022-11-22 02:29:47,765 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_get_pcifront_dev [2022-11-22 02:29:47,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_get_pcifront_dev [2022-11-22 02:29:47,765 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_release [2022-11-22 02:29:47,765 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_release [2022-11-22 02:29:47,766 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-22 02:29:47,766 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-22 02:29:47,767 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_quirk_show [2022-11-22 02:29:47,767 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_quirk_show [2022-11-22 02:29:47,767 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-22 02:29:47,767 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-22 02:29:47,768 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_disconnect [2022-11-22 02:29:47,768 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_disconnect [2022-11-22 02:29:47,768 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-11-22 02:29:47,768 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-11-22 02:29:47,768 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-22 02:29:47,768 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-22 02:29:47,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:29:47,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:29:47,769 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_put [2022-11-22 02:29:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_put [2022-11-22 02:29:47,769 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-22 02:29:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-22 02:29:47,769 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_slot_show [2022-11-22 02:29:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_slot_show [2022-11-22 02:29:47,769 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_read [2022-11-22 02:29:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_read [2022-11-22 02:29:47,770 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-11-22 02:29:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-11-22 02:29:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-11-22 02:29:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-11-22 02:29:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_do_op [2022-11-22 02:29:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_do_op [2022-11-22 02:29:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_put_pci_dev [2022-11-22 02:29:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_put_pci_dev [2022-11-22 02:29:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure driver_remove_file [2022-11-22 02:29:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_remove_file [2022-11-22 02:29:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 02:29:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 02:29:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_init_devices [2022-11-22 02:29:47,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_init_devices [2022-11-22 02:29:47,773 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-11-22 02:29:47,773 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-11-22 02:29:47,773 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-22 02:29:47,773 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-22 02:29:47,773 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_get_pci_dev___0 [2022-11-22 02:29:47,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_get_pci_dev___0 [2022-11-22 02:29:47,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-22 02:29:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-22 02:29:47,774 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_publish_pci_roots [2022-11-22 02:29:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_publish_pci_roots [2022-11-22 02:29:47,774 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_free_dyn_fields [2022-11-22 02:29:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_free_dyn_fields [2022-11-22 02:29:47,774 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_free_dev [2022-11-22 02:29:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_free_dev [2022-11-22 02:29:47,774 INFO L130 BoogieDeclarations]: Found specification of procedure xen_unregister_device_domain_owner [2022-11-22 02:29:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_unregister_device_domain_owner [2022-11-22 02:29:47,775 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-22 02:29:47,775 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-22 02:29:47,775 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2022-11-22 02:29:47,775 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2022-11-22 02:29:47,775 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pirq_from_irq [2022-11-22 02:29:47,775 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pirq_from_irq [2022-11-22 02:29:47,775 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_get_pcifront_dev___0 [2022-11-22 02:29:47,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_get_pcifront_dev___0 [2022-11-22 02:29:47,776 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_init_device [2022-11-22 02:29:47,776 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_init_device [2022-11-22 02:29:47,776 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-22 02:29:47,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-22 02:29:47,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 02:29:47,776 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_release_devices [2022-11-22 02:29:47,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_release_devices [2022-11-22 02:29:47,776 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-22 02:29:47,777 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-22 02:29:47,777 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2022-11-22 02:29:47,777 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2022-11-22 02:29:47,777 INFO L130 BoogieDeclarations]: Found specification of procedure kill_domain_by_device [2022-11-22 02:29:47,777 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_domain_by_device [2022-11-22 02:29:47,777 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2022-11-22 02:29:47,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2022-11-22 02:29:47,777 INFO L130 BoogieDeclarations]: Found specification of procedure merge_value [2022-11-22 02:29:47,777 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_value [2022-11-22 02:29:47,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 02:29:47,778 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_mmio_enabled [2022-11-22 02:29:47,778 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_mmio_enabled [2022-11-22 02:29:47,778 INFO L130 BoogieDeclarations]: Found specification of procedure xen_find_device_domain_owner [2022-11-22 02:29:47,778 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_find_device_domain_owner [2022-11-22 02:29:47,778 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2022-11-22 02:29:47,778 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2022-11-22 02:29:47,778 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-11-22 02:29:47,779 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-11-22 02:29:47,779 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-11-22 02:29:47,779 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-11-22 02:29:47,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 02:29:47,779 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_be_watch [2022-11-22 02:29:47,779 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_be_watch [2022-11-22 02:29:47,779 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_publish_pci_roots___0 [2022-11-22 02:29:47,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_publish_pci_roots___0 [2022-11-22 02:29:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-11-22 02:29:47,780 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-11-22 02:29:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure permissive_show [2022-11-22 02:29:47,780 INFO L138 BoogieDeclarations]: Found implementation of procedure permissive_show [2022-11-22 02:29:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-22 02:29:47,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-22 02:29:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-22 02:29:47,780 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-22 02:29:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-22 02:29:47,781 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-22 02:29:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_irq_handler_show [2022-11-22 02:29:47,781 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_irq_handler_show [2022-11-22 02:29:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure common_process [2022-11-22 02:29:47,782 INFO L138 BoogieDeclarations]: Found implementation of procedure common_process [2022-11-22 02:29:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-11-22 02:29:47,787 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-11-22 02:29:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_add_field_offset [2022-11-22 02:29:47,787 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_add_field_offset [2022-11-22 02:29:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-11-22 02:29:47,787 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-11-22 02:29:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-22 02:29:47,787 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-22 02:29:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure str_to_slot [2022-11-22 02:29:47,788 INFO L138 BoogieDeclarations]: Found implementation of procedure str_to_slot [2022-11-22 02:29:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-11-22 02:29:47,791 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-11-22 02:29:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_exit [2022-11-22 02:29:47,791 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_exit [2022-11-22 02:29:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~int [2022-11-22 02:29:47,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~int [2022-11-22 02:29:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-22 02:29:47,791 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-22 02:29:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 02:29:47,791 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 02:29:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 02:29:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_get_pci_dev [2022-11-22 02:29:47,792 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_get_pci_dev [2022-11-22 02:29:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 02:29:47,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 02:29:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_reset_device [2022-11-22 02:29:47,792 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_reset_device [2022-11-22 02:29:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_test_and_schedule_op [2022-11-22 02:29:47,792 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_test_and_schedule_op [2022-11-22 02:29:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-22 02:29:47,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-22 02:29:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-22 02:29:47,793 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-22 02:29:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure register_capability [2022-11-22 02:29:47,793 INFO L138 BoogieDeclarations]: Found implementation of procedure register_capability [2022-11-22 02:29:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_add_fields_offset [2022-11-22 02:29:47,793 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_add_fields_offset [2022-11-22 02:29:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2022-11-22 02:29:47,793 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2022-11-22 02:29:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-22 02:29:47,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-22 02:29:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_enabled [2022-11-22 02:29:47,794 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_enabled [2022-11-22 02:29:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-22 02:29:47,794 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-22 02:29:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:29:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_publish_pci_roots [2022-11-22 02:29:47,794 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_publish_pci_roots [2022-11-22 02:29:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_init_devices___0 [2022-11-22 02:29:47,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_init_devices___0 [2022-11-22 02:29:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure get_mask [2022-11-22 02:29:47,795 INFO L138 BoogieDeclarations]: Found implementation of procedure get_mask [2022-11-22 02:29:49,235 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:29:49,248 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:29:54,066 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 02:30:10,506 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:30:13,676 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:30:13,676 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-22 02:30:13,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:30:13 BoogieIcfgContainer [2022-11-22 02:30:13,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:30:13,691 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:30:13,691 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:30:13,695 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:30:13,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:29:41" (1/3) ... [2022-11-22 02:30:13,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f92868f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:30:13, skipping insertion in model container [2022-11-22 02:30:13,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:46" (2/3) ... [2022-11-22 02:30:13,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f92868f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:30:13, skipping insertion in model container [2022-11-22 02:30:13,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:30:13" (3/3) ... [2022-11-22 02:30:13,700 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--xen--xen-pciback--xen-pciback.ko-entry_point.cil.out.i [2022-11-22 02:30:13,725 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:30:13,726 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 02:30:13,869 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:30:13,878 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7782eb20, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:30:13,879 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 02:30:13,896 INFO L276 IsEmpty]: Start isEmpty. Operand has 2327 states, 1476 states have (on average 1.3943089430894309) internal successors, (2058), 1557 states have internal predecessors, (2058), 712 states have call successors, (712), 138 states have call predecessors, (712), 137 states have return successors, (697), 685 states have call predecessors, (697), 697 states have call successors, (697) [2022-11-22 02:30:13,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-11-22 02:30:13,954 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:30:13,955 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:30:13,956 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:30:13,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:30:13,962 INFO L85 PathProgramCache]: Analyzing trace with hash 74212923, now seen corresponding path program 1 times [2022-11-22 02:30:13,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:30:13,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026401616] [2022-11-22 02:30:13,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:30:13,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:30:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:30:25,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1423 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1423 trivial. 0 not checked. [2022-11-22 02:30:25,896 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:30:25,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026401616] [2022-11-22 02:30:25,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026401616] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:30:25,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:30:25,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:30:25,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961184995] [2022-11-22 02:30:25,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:30:25,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:30:25,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:30:25,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:30:25,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:30:25,975 INFO L87 Difference]: Start difference. First operand has 2327 states, 1476 states have (on average 1.3943089430894309) internal successors, (2058), 1557 states have internal predecessors, (2058), 712 states have call successors, (712), 138 states have call predecessors, (712), 137 states have return successors, (697), 685 states have call predecessors, (697), 697 states have call successors, (697) Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-22 02:30:28,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:30:30,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:30:32,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:30:35,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:30:36,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:30:36,806 INFO L93 Difference]: Finished difference Result 6855 states and 10430 transitions. [2022-11-22 02:30:36,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:30:36,809 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 265 [2022-11-22 02:30:36,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:30:36,874 INFO L225 Difference]: With dead ends: 6855 [2022-11-22 02:30:36,875 INFO L226 Difference]: Without dead ends: 4534 [2022-11-22 02:30:36,901 INFO L412 NwaCegarLoop]: 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 [2022-11-22 02:30:36,906 INFO L413 NwaCegarLoop]: 3765 mSDtfsCounter, 3341 mSDsluCounter, 3093 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3344 SdHoareTripleChecker+Valid, 6858 SdHoareTripleChecker+Invalid, 742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2022-11-22 02:30:36,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3344 Valid, 6858 Invalid, 742 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 738 Invalid, 3 Unknown, 0 Unchecked, 10.3s Time] [2022-11-22 02:30:36,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4534 states. [2022-11-22 02:30:37,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4534 to 4529. [2022-11-22 02:30:37,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4529 states, 2899 states have (on average 1.3877199034149708) internal successors, (4023), 3030 states have internal predecessors, (4023), 1358 states have call successors, (1358), 272 states have call predecessors, (1358), 271 states have return successors, (1355), 1330 states have call predecessors, (1355), 1355 states have call successors, (1355) [2022-11-22 02:30:37,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4529 states to 4529 states and 6736 transitions. [2022-11-22 02:30:37,337 INFO L78 Accepts]: Start accepts. Automaton has 4529 states and 6736 transitions. Word has length 265 [2022-11-22 02:30:37,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:30:37,343 INFO L495 AbstractCegarLoop]: Abstraction has 4529 states and 6736 transitions. [2022-11-22 02:30:37,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-22 02:30:37,343 INFO L276 IsEmpty]: Start isEmpty. Operand 4529 states and 6736 transitions. [2022-11-22 02:30:37,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-11-22 02:30:37,354 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:30:37,355 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:30:37,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 02:30:37,356 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:30:37,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:30:37,356 INFO L85 PathProgramCache]: Analyzing trace with hash -594540538, now seen corresponding path program 1 times [2022-11-22 02:30:37,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:30:37,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036473767] [2022-11-22 02:30:37,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:30:37,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:42:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat