./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 8393723b 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_97b84ecb-12cc-4b8a-a4f9-c85fd908f4f0/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b84ecb-12cc-4b8a-a4f9-c85fd908f4f0/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b84ecb-12cc-4b8a-a4f9-c85fd908f4f0/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b84ecb-12cc-4b8a-a4f9-c85fd908f4f0/bin/utaipan-I9t0OCRTmS/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_97b84ecb-12cc-4b8a-a4f9-c85fd908f4f0/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b84ecb-12cc-4b8a-a4f9-c85fd908f4f0/bin/utaipan-I9t0OCRTmS --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-8393723 [2022-11-19 08:04:56,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:04:56,546 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:04:56,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:04:56,576 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:04:56,581 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:04:56,584 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:04:56,588 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:04:56,590 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:04:56,597 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:04:56,599 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:04:56,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:04:56,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:04:56,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:04:56,606 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:04:56,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:04:56,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:04:56,610 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:04:56,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:04:56,618 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:04:56,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:04:56,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:04:56,625 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:04:56,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:04:56,633 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:04:56,633 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:04:56,633 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:04:56,635 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:04:56,636 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:04:56,637 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:04:56,638 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:04:56,639 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:04:56,641 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:04:56,642 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:04:56,644 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:04:56,644 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:04:56,645 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:04:56,645 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:04:56,645 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:04:56,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:04:56,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:04:56,647 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b84ecb-12cc-4b8a-a4f9-c85fd908f4f0/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 08:04:56,686 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:04:56,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:04:56,687 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:04:56,687 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:04:56,687 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:04:56,688 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:04:56,688 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:04:56,688 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:04:56,688 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:04:56,689 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:04:56,689 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:04:56,689 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:04:56,689 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:04:56,689 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:04:56,690 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:04:56,690 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:04:56,690 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:04:56,690 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:04:56,691 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:04:56,691 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:04:56,692 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:04:56,692 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:04:56,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:04:56,692 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:04:56,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:04:56,693 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:04:56,693 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:04:56,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:04:56,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:04:56,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:04:56,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:04:56,694 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:04:56,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:04:56,695 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:04:56,695 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:04:56,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:04:56,695 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:04:56,695 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:04:56,696 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_97b84ecb-12cc-4b8a-a4f9-c85fd908f4f0/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b84ecb-12cc-4b8a-a4f9-c85fd908f4f0/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2b9d7c72382c88f92aefc9c5aa67795926d510c5f9617bff26079bf313eaacc [2022-11-19 08:04:56,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:04:56,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:04:56,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:04:56,983 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:04:56,984 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:04:56,985 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b84ecb-12cc-4b8a-a4f9-c85fd908f4f0/bin/utaipan-I9t0OCRTmS/../../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 [2022-11-19 08:04:57,044 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b84ecb-12cc-4b8a-a4f9-c85fd908f4f0/bin/utaipan-I9t0OCRTmS/data/c988540de/3644d176c9504fcc9f92f2cdf5ba2726/FLAGe5cc52fcb [2022-11-19 08:04:58,084 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:04:58,085 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b84ecb-12cc-4b8a-a4f9-c85fd908f4f0/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 [2022-11-19 08:04:58,133 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b84ecb-12cc-4b8a-a4f9-c85fd908f4f0/bin/utaipan-I9t0OCRTmS/data/c988540de/3644d176c9504fcc9f92f2cdf5ba2726/FLAGe5cc52fcb [2022-11-19 08:04:58,420 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b84ecb-12cc-4b8a-a4f9-c85fd908f4f0/bin/utaipan-I9t0OCRTmS/data/c988540de/3644d176c9504fcc9f92f2cdf5ba2726 [2022-11-19 08:04:58,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:04:58,427 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:04:58,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:04:58,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:04:58,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:04:58,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:58" (1/1) ... [2022-11-19 08:04:58,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42fbaedf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:58, skipping insertion in model container [2022-11-19 08:04:58,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:58" (1/1) ... [2022-11-19 08:04:58,442 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:04:58,616 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:05:01,735 WARN L234 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_97b84ecb-12cc-4b8a-a4f9-c85fd908f4f0/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] [2022-11-19 08:05:01,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:05:01,838 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:05:02,334 WARN L234 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_97b84ecb-12cc-4b8a-a4f9-c85fd908f4f0/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] [2022-11-19 08:05:02,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:05:02,520 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:05:02,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:02 WrapperNode [2022-11-19 08:05:02,521 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:05:02,522 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:05:02,523 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:05:02,523 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:05:02,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:02" (1/1) ... [2022-11-19 08:05:02,691 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:02" (1/1) ... [2022-11-19 08:05:02,902 INFO L138 Inliner]: procedures = 437, calls = 4366, calls flagged for inlining = 199, calls inlined = 195, statements flattened = 9580 [2022-11-19 08:05:02,903 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:05:02,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:05:02,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:05:02,904 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:05:02,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:02" (1/1) ... [2022-11-19 08:05:02,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:02" (1/1) ... [2022-11-19 08:05:02,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:02" (1/1) ... [2022-11-19 08:05:02,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:02" (1/1) ... [2022-11-19 08:05:03,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:02" (1/1) ... [2022-11-19 08:05:03,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:02" (1/1) ... [2022-11-19 08:05:03,319 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:02" (1/1) ... [2022-11-19 08:05:03,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:02" (1/1) ... [2022-11-19 08:05:03,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:05:03,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:05:03,410 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:05:03,410 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:05:03,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:02" (1/1) ... [2022-11-19 08:05:03,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:05:03,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b84ecb-12cc-4b8a-a4f9-c85fd908f4f0/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:05:03,450 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b84ecb-12cc-4b8a-a4f9-c85fd908f4f0/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:05:03,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97b84ecb-12cc-4b8a-a4f9-c85fd908f4f0/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:05:03,498 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_export_device [2022-11-19 08:05:03,498 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_export_device [2022-11-19 08:05:03,498 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_error_resume [2022-11-19 08:05:03,499 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_error_resume [2022-11-19 08:05:03,499 INFO L130 BoogieDeclarations]: Found specification of procedure pci_domain_nr [2022-11-19 08:05:03,499 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_domain_nr [2022-11-19 08:05:03,499 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_add_pci_dev [2022-11-19 08:05:03,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_add_pci_dev [2022-11-19 08:05:03,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 08:05:03,499 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 08:05:03,499 INFO L130 BoogieDeclarations]: Found specification of procedure HYPERVISOR_physdev_op [2022-11-19 08:05:03,500 INFO L138 BoogieDeclarations]: Found implementation of procedure HYPERVISOR_physdev_op [2022-11-19 08:05:03,500 INFO L130 BoogieDeclarations]: Found specification of procedure read_dev_bar [2022-11-19 08:05:03,500 INFO L138 BoogieDeclarations]: Found implementation of procedure read_dev_bar [2022-11-19 08:05:03,500 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_frontend_changed [2022-11-19 08:05:03,500 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_frontend_changed [2022-11-19 08:05:03,500 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_setup_backend [2022-11-19 08:05:03,500 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_setup_backend [2022-11-19 08:05:03,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-19 08:05:03,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-19 08:05:03,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 08:05:03,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 08:05:03,501 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_add_pci_dev___0 [2022-11-19 08:05:03,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_add_pci_dev___0 [2022-11-19 08:05:03,501 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2022-11-19 08:05:03,501 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2022-11-19 08:05:03,502 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-19 08:05:03,502 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-19 08:05:03,502 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_attach [2022-11-19 08:05:03,502 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_attach [2022-11-19 08:05:03,502 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibios_err_to_errno [2022-11-19 08:05:03,502 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibios_err_to_errno [2022-11-19 08:05:03,502 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_id_add [2022-11-19 08:05:03,502 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_id_add [2022-11-19 08:05:03,503 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_get_pci_dev [2022-11-19 08:05:03,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_get_pci_dev [2022-11-19 08:05:03,503 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_remove [2022-11-19 08:05:03,503 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_remove [2022-11-19 08:05:03,503 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2022-11-19 08:05:03,503 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2022-11-19 08:05:03,503 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-19 08:05:03,503 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-19 08:05:03,504 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_get_pci_dev [2022-11-19 08:05:03,504 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_get_pci_dev [2022-11-19 08:05:03,504 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-19 08:05:03,504 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-19 08:05:03,505 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_control_isr [2022-11-19 08:05:03,505 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_control_isr [2022-11-19 08:05:03,506 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-19 08:05:03,507 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-19 08:05:03,507 INFO L130 BoogieDeclarations]: Found specification of procedure valid_request [2022-11-19 08:05:03,507 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_request [2022-11-19 08:05:03,507 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_release_devices___0 [2022-11-19 08:05:03,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_release_devices___0 [2022-11-19 08:05:03,507 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-11-19 08:05:03,507 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_add_field [2022-11-19 08:05:03,508 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_add_field [2022-11-19 08:05:03,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-19 08:05:03,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-19 08:05:03,509 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 08:05:03,509 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 08:05:03,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:05:03,509 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-11-19 08:05:03,509 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-11-19 08:05:03,509 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_find [2022-11-19 08:05:03,509 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_find [2022-11-19 08:05:03,510 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-19 08:05:03,510 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-19 08:05:03,510 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_slot_reset [2022-11-19 08:05:03,510 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_slot_reset [2022-11-19 08:05:03,510 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-19 08:05:03,510 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-19 08:05:03,510 INFO L130 BoogieDeclarations]: Found specification of procedure xen_register_device_domain_owner [2022-11-19 08:05:03,510 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_register_device_domain_owner [2022-11-19 08:05:03,511 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_error_detected [2022-11-19 08:05:03,511 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_error_detected [2022-11-19 08:05:03,511 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-19 08:05:03,511 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-19 08:05:03,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 08:05:03,511 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_switch_state [2022-11-19 08:05:03,511 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_switch_state [2022-11-19 08:05:03,511 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_xenbus_remove [2022-11-19 08:05:03,512 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_xenbus_remove [2022-11-19 08:05:03,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:05:03,512 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_xenbus_probe [2022-11-19 08:05:03,512 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_xenbus_probe [2022-11-19 08:05:03,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_15 [2022-11-19 08:05:03,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_15 [2022-11-19 08:05:03,512 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_read_driver_state [2022-11-19 08:05:03,512 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_read_driver_state [2022-11-19 08:05:03,512 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_get [2022-11-19 08:05:03,512 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_get [2022-11-19 08:05:03,513 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_release_pci_dev [2022-11-19 08:05:03,513 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_release_pci_dev [2022-11-19 08:05:03,513 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-19 08:05:03,513 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-19 08:05:03,513 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_reset_function_locked [2022-11-19 08:05:03,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_reset_function_locked [2022-11-19 08:05:03,513 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-19 08:05:03,513 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-19 08:05:03,514 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-11-19 08:05:03,514 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-11-19 08:05:03,514 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_add_fields [2022-11-19 08:05:03,514 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_add_fields [2022-11-19 08:05:03,514 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-11-19 08:05:03,514 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-11-19 08:05:03,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-19 08:05:03,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-19 08:05:03,515 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2022-11-19 08:05:03,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2022-11-19 08:05:03,515 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_probe [2022-11-19 08:05:03,515 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_probe [2022-11-19 08:05:03,515 INFO L130 BoogieDeclarations]: Found specification of procedure device_lock [2022-11-19 08:05:03,515 INFO L138 BoogieDeclarations]: Found implementation of procedure device_lock [2022-11-19 08:05:03,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 08:05:03,515 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-19 08:05:03,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-19 08:05:03,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:05:03,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 08:05:03,516 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-19 08:05:03,516 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-19 08:05:03,516 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 08:05:03,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 08:05:03,516 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2022-11-19 08:05:03,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2022-11-19 08:05:03,516 INFO L130 BoogieDeclarations]: Found specification of procedure driver_create_file [2022-11-19 08:05:03,516 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_create_file [2022-11-19 08:05:03,517 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_get_pcifront_dev [2022-11-19 08:05:03,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_get_pcifront_dev [2022-11-19 08:05:03,517 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_release [2022-11-19 08:05:03,517 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_release [2022-11-19 08:05:03,517 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-19 08:05:03,517 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-19 08:05:03,517 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_quirk_show [2022-11-19 08:05:03,517 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_quirk_show [2022-11-19 08:05:03,517 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-19 08:05:03,518 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-19 08:05:03,518 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_disconnect [2022-11-19 08:05:03,518 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_disconnect [2022-11-19 08:05:03,518 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-11-19 08:05:03,518 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-11-19 08:05:03,518 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-19 08:05:03,518 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-19 08:05:03,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:05:03,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:05:03,519 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_put [2022-11-19 08:05:03,519 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_put [2022-11-19 08:05:03,519 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-19 08:05:03,519 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-19 08:05:03,519 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_slot_show [2022-11-19 08:05:03,519 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_slot_show [2022-11-19 08:05:03,519 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_read [2022-11-19 08:05:03,519 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_read [2022-11-19 08:05:03,519 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-11-19 08:05:03,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-11-19 08:05:03,520 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-11-19 08:05:03,520 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-11-19 08:05:03,520 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_do_op [2022-11-19 08:05:03,520 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_do_op [2022-11-19 08:05:03,520 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_put_pci_dev [2022-11-19 08:05:03,520 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_put_pci_dev [2022-11-19 08:05:03,520 INFO L130 BoogieDeclarations]: Found specification of procedure driver_remove_file [2022-11-19 08:05:03,521 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_remove_file [2022-11-19 08:05:03,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 08:05:03,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 08:05:03,521 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_init_devices [2022-11-19 08:05:03,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_init_devices [2022-11-19 08:05:03,521 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-11-19 08:05:03,521 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-11-19 08:05:03,521 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-19 08:05:03,521 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-19 08:05:03,522 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_get_pci_dev___0 [2022-11-19 08:05:03,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_get_pci_dev___0 [2022-11-19 08:05:03,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 08:05:03,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 08:05:03,522 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_publish_pci_roots [2022-11-19 08:05:03,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_publish_pci_roots [2022-11-19 08:05:03,522 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_free_dyn_fields [2022-11-19 08:05:03,522 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_free_dyn_fields [2022-11-19 08:05:03,523 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_free_dev [2022-11-19 08:05:03,523 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_free_dev [2022-11-19 08:05:03,523 INFO L130 BoogieDeclarations]: Found specification of procedure xen_unregister_device_domain_owner [2022-11-19 08:05:03,523 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_unregister_device_domain_owner [2022-11-19 08:05:03,523 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 08:05:03,523 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 08:05:03,523 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2022-11-19 08:05:03,523 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2022-11-19 08:05:03,524 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pirq_from_irq [2022-11-19 08:05:03,524 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pirq_from_irq [2022-11-19 08:05:03,524 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_get_pcifront_dev___0 [2022-11-19 08:05:03,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_get_pcifront_dev___0 [2022-11-19 08:05:03,524 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_init_device [2022-11-19 08:05:03,524 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_init_device [2022-11-19 08:05:03,524 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-19 08:05:03,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-19 08:05:03,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:05:03,525 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_release_devices [2022-11-19 08:05:03,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_release_devices [2022-11-19 08:05:03,525 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-19 08:05:03,525 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-19 08:05:03,525 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2022-11-19 08:05:03,525 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2022-11-19 08:05:03,525 INFO L130 BoogieDeclarations]: Found specification of procedure kill_domain_by_device [2022-11-19 08:05:03,525 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_domain_by_device [2022-11-19 08:05:03,526 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2022-11-19 08:05:03,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2022-11-19 08:05:03,526 INFO L130 BoogieDeclarations]: Found specification of procedure merge_value [2022-11-19 08:05:03,526 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_value [2022-11-19 08:05:03,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 08:05:03,526 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_mmio_enabled [2022-11-19 08:05:03,526 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_mmio_enabled [2022-11-19 08:05:03,526 INFO L130 BoogieDeclarations]: Found specification of procedure xen_find_device_domain_owner [2022-11-19 08:05:03,527 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_find_device_domain_owner [2022-11-19 08:05:03,527 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2022-11-19 08:05:03,527 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2022-11-19 08:05:03,527 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-11-19 08:05:03,527 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-11-19 08:05:03,527 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-11-19 08:05:03,527 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-11-19 08:05:03,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 08:05:03,527 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_be_watch [2022-11-19 08:05:03,528 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_be_watch [2022-11-19 08:05:03,528 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_publish_pci_roots___0 [2022-11-19 08:05:03,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_publish_pci_roots___0 [2022-11-19 08:05:03,528 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-11-19 08:05:03,528 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-11-19 08:05:03,528 INFO L130 BoogieDeclarations]: Found specification of procedure permissive_show [2022-11-19 08:05:03,528 INFO L138 BoogieDeclarations]: Found implementation of procedure permissive_show [2022-11-19 08:05:03,528 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-19 08:05:03,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-19 08:05:03,529 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-19 08:05:03,529 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-19 08:05:03,529 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-19 08:05:03,529 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-19 08:05:03,529 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_irq_handler_show [2022-11-19 08:05:03,529 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_irq_handler_show [2022-11-19 08:05:03,529 INFO L130 BoogieDeclarations]: Found specification of procedure common_process [2022-11-19 08:05:03,529 INFO L138 BoogieDeclarations]: Found implementation of procedure common_process [2022-11-19 08:05:03,529 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-11-19 08:05:03,530 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-11-19 08:05:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_add_field_offset [2022-11-19 08:05:03,530 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_add_field_offset [2022-11-19 08:05:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-11-19 08:05:03,530 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-11-19 08:05:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-19 08:05:03,531 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-19 08:05:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure str_to_slot [2022-11-19 08:05:03,531 INFO L138 BoogieDeclarations]: Found implementation of procedure str_to_slot [2022-11-19 08:05:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-11-19 08:05:03,531 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-11-19 08:05:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_exit [2022-11-19 08:05:03,531 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_exit [2022-11-19 08:05:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~int [2022-11-19 08:05:03,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~int [2022-11-19 08:05:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-19 08:05:03,532 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-19 08:05:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 08:05:03,532 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 08:05:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:05:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_get_pci_dev [2022-11-19 08:05:03,532 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_get_pci_dev [2022-11-19 08:05:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 08:05:03,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 08:05:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_reset_device [2022-11-19 08:05:03,532 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_reset_device [2022-11-19 08:05:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_test_and_schedule_op [2022-11-19 08:05:03,533 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_test_and_schedule_op [2022-11-19 08:05:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-19 08:05:03,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-19 08:05:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-19 08:05:03,533 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-19 08:05:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure register_capability [2022-11-19 08:05:03,533 INFO L138 BoogieDeclarations]: Found implementation of procedure register_capability [2022-11-19 08:05:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_add_fields_offset [2022-11-19 08:05:03,533 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_add_fields_offset [2022-11-19 08:05:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2022-11-19 08:05:03,534 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2022-11-19 08:05:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-19 08:05:03,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-19 08:05:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_enabled [2022-11-19 08:05:03,534 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_enabled [2022-11-19 08:05:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-19 08:05:03,534 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-19 08:05:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:05:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_publish_pci_roots [2022-11-19 08:05:03,535 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_publish_pci_roots [2022-11-19 08:05:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_init_devices___0 [2022-11-19 08:05:03,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_init_devices___0 [2022-11-19 08:05:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure get_mask [2022-11-19 08:05:03,535 INFO L138 BoogieDeclarations]: Found implementation of procedure get_mask [2022-11-19 08:05:05,011 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:05:05,035 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:05:09,169 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 08:05:23,615 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:05:26,793 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:05:26,793 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 08:05:26,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:26 BoogieIcfgContainer [2022-11-19 08:05:26,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:05:26,801 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:05:26,801 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:05:26,804 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:05:26,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:04:58" (1/3) ... [2022-11-19 08:05:26,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@91bd948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:05:26, skipping insertion in model container [2022-11-19 08:05:26,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:02" (2/3) ... [2022-11-19 08:05:26,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@91bd948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:05:26, skipping insertion in model container [2022-11-19 08:05:26,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:26" (3/3) ... [2022-11-19 08:05:26,807 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 [2022-11-19 08:05:26,827 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:05:26,827 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 08:05:26,941 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:05:26,947 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;@708b4f91, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:05:26,948 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 08:05:26,958 INFO L276 IsEmpty]: Start isEmpty. Operand has 2318 states, 1467 states have (on average 1.3905930470347647) internal successors, (2040), 1548 states have internal predecessors, (2040), 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) [2022-11-19 08:05:26,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-11-19 08:05:26,983 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:05:26,984 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] [2022-11-19 08:05:26,985 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:05:26,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:05:26,990 INFO L85 PathProgramCache]: Analyzing trace with hash -248435731, now seen corresponding path program 1 times [2022-11-19 08:05:27,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:05:27,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280936220] [2022-11-19 08:05:27,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:05:27,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:05:30,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:05:36,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1423 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1423 trivial. 0 not checked. [2022-11-19 08:05:36,393 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:05:36,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280936220] [2022-11-19 08:05:36,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280936220] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:05:36,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:05:36,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:05:36,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92859032] [2022-11-19 08:05:36,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:05:36,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:05:36,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:05:36,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:05:36,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:05:36,440 INFO L87 Difference]: Start difference. First operand has 2318 states, 1467 states have (on average 1.3905930470347647) internal successors, (2040), 1548 states have internal predecessors, (2040), 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) [2022-11-19 08:05:38,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:05:40,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:05:43,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:05:45,200 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 [] [2022-11-19 08:05:47,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:05:47,911 INFO L93 Difference]: Finished difference Result 6803 states and 10330 transitions. [2022-11-19 08:05:47,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:05:47,914 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 [2022-11-19 08:05:47,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:05:47,973 INFO L225 Difference]: With dead ends: 6803 [2022-11-19 08:05:47,974 INFO L226 Difference]: Without dead ends: 4491 [2022-11-19 08:05:48,000 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 [2022-11-19 08:05:48,004 INFO L413 NwaCegarLoop]: 4040 mSDtfsCounter, 3284 mSDsluCounter, 3072 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3284 SdHoareTripleChecker+Valid, 7112 SdHoareTripleChecker+Invalid, 795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:05:48,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3284 Valid, 7112 Invalid, 795 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 791 Invalid, 3 Unknown, 0 Unchecked, 11.0s Time] [2022-11-19 08:05:48,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4491 states. [2022-11-19 08:05:48,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4491 to 4486. [2022-11-19 08:05:48,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4486 states, 2864 states have (on average 1.3830307262569832) internal successors, (3961), 2995 states have internal predecessors, (3961), 1350 states have call successors, (1350), 272 states have call predecessors, (1350), 271 states have return successors, (1347), 1322 states have call predecessors, (1347), 1347 states have call successors, (1347) [2022-11-19 08:05:48,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4486 states to 4486 states and 6658 transitions. [2022-11-19 08:05:48,413 INFO L78 Accepts]: Start accepts. Automaton has 4486 states and 6658 transitions. Word has length 265 [2022-11-19 08:05:48,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:05:48,418 INFO L495 AbstractCegarLoop]: Abstraction has 4486 states and 6658 transitions. [2022-11-19 08:05:48,418 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) [2022-11-19 08:05:48,418 INFO L276 IsEmpty]: Start isEmpty. Operand 4486 states and 6658 transitions. [2022-11-19 08:05:48,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-11-19 08:05:48,435 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:05:48,435 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] [2022-11-19 08:05:48,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:05:48,436 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:05:48,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:05:48,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1826224580, now seen corresponding path program 1 times [2022-11-19 08:05:48,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:05:48,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872669334] [2022-11-19 08:05:48,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:05:48,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:16:58,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat