./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--atm--solos-pci.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f4afa9-2154-4c6b-9cce-86086a665e45/bin/utaipan-G1rejxKTta/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f4afa9-2154-4c6b-9cce-86086a665e45/bin/utaipan-G1rejxKTta/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f4afa9-2154-4c6b-9cce-86086a665e45/bin/utaipan-G1rejxKTta/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f4afa9-2154-4c6b-9cce-86086a665e45/bin/utaipan-G1rejxKTta/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--solos-pci.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f4afa9-2154-4c6b-9cce-86086a665e45/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f4afa9-2154-4c6b-9cce-86086a665e45/bin/utaipan-G1rejxKTta --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 e42845ce55dda80b8a38719326b34a62ad9c77fa8c9f846978e486c8165ceba5 --- 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-dbf71c6-m [2022-10-17 17:45:31,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:45:31,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:45:31,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:45:31,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:45:31,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:45:31,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:45:31,784 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:45:31,787 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:45:31,794 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:45:31,795 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:45:31,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:45:31,797 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:45:31,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:45:31,804 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:45:31,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:45:31,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:45:31,808 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:45:31,810 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:45:31,812 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:45:31,817 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:45:31,819 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:45:31,823 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:45:31,824 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:45:31,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:45:31,836 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:45:31,837 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:45:31,839 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:45:31,839 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:45:31,841 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:45:31,842 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:45:31,843 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:45:31,845 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:45:31,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:45:31,847 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:45:31,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:45:31,848 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:45:31,849 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:45:31,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:45:31,850 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:45:31,851 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:45:31,851 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f4afa9-2154-4c6b-9cce-86086a665e45/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-10-17 17:45:31,901 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:45:31,902 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:45:31,903 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 17:45:31,903 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 17:45:31,904 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:45:31,904 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 17:45:31,904 INFO L138 SettingsManager]: * User list type=DISABLED [2022-10-17 17:45:31,904 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-10-17 17:45:31,905 INFO L138 SettingsManager]: * Explicit value domain=true [2022-10-17 17:45:31,905 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-10-17 17:45:31,906 INFO L138 SettingsManager]: * Octagon Domain=false [2022-10-17 17:45:31,906 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-10-17 17:45:31,906 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-10-17 17:45:31,907 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-10-17 17:45:31,907 INFO L138 SettingsManager]: * Interval Domain=false [2022-10-17 17:45:31,907 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-10-17 17:45:31,907 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-10-17 17:45:31,907 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-10-17 17:45:31,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:45:31,908 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:45:31,909 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:45:31,909 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:45:31,909 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:45:31,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:45:31,910 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:45:31,910 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:45:31,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:45:31,910 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:45:31,910 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 17:45:31,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:45:31,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:45:31,911 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-10-17 17:45:31,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:45:31,912 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:45:31,912 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-10-17 17:45:31,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:45:31,912 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:45:31,913 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-10-17 17:45:31,913 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_91f4afa9-2154-4c6b-9cce-86086a665e45/bin/utaipan-G1rejxKTta/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f4afa9-2154-4c6b-9cce-86086a665e45/bin/utaipan-G1rejxKTta Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e42845ce55dda80b8a38719326b34a62ad9c77fa8c9f846978e486c8165ceba5 [2022-10-17 17:45:32,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:45:32,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:45:32,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:45:32,203 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:45:32,204 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:45:32,205 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f4afa9-2154-4c6b-9cce-86086a665e45/bin/utaipan-G1rejxKTta/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--solos-pci.ko-entry_point.cil.out.i [2022-10-17 17:45:32,297 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f4afa9-2154-4c6b-9cce-86086a665e45/bin/utaipan-G1rejxKTta/data/c0a1d11e6/08817a87bc5c48798ef9d65709fd0e5c/FLAG33c166d48 [2022-10-17 17:45:33,295 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:45:33,296 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f4afa9-2154-4c6b-9cce-86086a665e45/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--solos-pci.ko-entry_point.cil.out.i [2022-10-17 17:45:33,355 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f4afa9-2154-4c6b-9cce-86086a665e45/bin/utaipan-G1rejxKTta/data/c0a1d11e6/08817a87bc5c48798ef9d65709fd0e5c/FLAG33c166d48 [2022-10-17 17:45:33,639 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f4afa9-2154-4c6b-9cce-86086a665e45/bin/utaipan-G1rejxKTta/data/c0a1d11e6/08817a87bc5c48798ef9d65709fd0e5c [2022-10-17 17:45:33,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:45:33,643 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:45:33,645 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:45:33,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:45:33,648 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:45:33,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:45:33" (1/1) ... [2022-10-17 17:45:33,652 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f5fc659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:33, skipping insertion in model container [2022-10-17 17:45:33,652 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:45:33" (1/1) ... [2022-10-17 17:45:33,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:45:33,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:45:36,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f4afa9-2154-4c6b-9cce-86086a665e45/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--solos-pci.ko-entry_point.cil.out.i[400474,400487] [2022-10-17 17:45:36,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:45:36,531 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:45:37,145 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f4afa9-2154-4c6b-9cce-86086a665e45/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--solos-pci.ko-entry_point.cil.out.i[400474,400487] [2022-10-17 17:45:37,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:45:37,793 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:45:37,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37 WrapperNode [2022-10-17 17:45:37,794 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:45:37,795 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:45:37,795 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:45:37,795 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:45:37,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:37,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:38,181 INFO L138 Inliner]: procedures = 261, calls = 3500, calls flagged for inlining = 118, calls inlined = 108, statements flattened = 8502 [2022-10-17 17:45:38,182 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:45:38,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:45:38,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:45:38,183 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:45:38,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:38,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:38,244 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:38,245 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:38,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:38,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:38,592 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:38,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:38,690 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:45:38,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:45:38,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:45:38,692 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:45:38,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (1/1) ... [2022-10-17 17:45:38,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:45:38,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f4afa9-2154-4c6b-9cce-86086a665e45/bin/utaipan-G1rejxKTta/z3 [2022-10-17 17:45:38,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f4afa9-2154-4c6b-9cce-86086a665e45/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 17:45:38,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91f4afa9-2154-4c6b-9cce-86086a665e45/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 17:45:38,782 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-10-17 17:45:38,783 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-10-17 17:45:38,783 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-10-17 17:45:38,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 17:45:38,783 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-10-17 17:45:38,784 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-10-17 17:45:38,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 17:45:38,784 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-10-17 17:45:38,784 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-10-17 17:45:38,784 INFO L130 BoogieDeclarations]: Found specification of procedure geos_gpio_store [2022-10-17 17:45:38,784 INFO L138 BoogieDeclarations]: Found implementation of procedure geos_gpio_store [2022-10-17 17:45:38,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 17:45:38,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 17:45:38,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 17:45:38,785 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 17:45:38,785 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-10-17 17:45:38,785 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-10-17 17:45:38,786 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-17 17:45:38,786 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-17 17:45:38,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-10-17 17:45:38,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-10-17 17:45:38,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 17:45:38,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 17:45:38,787 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-10-17 17:45:38,787 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-10-17 17:45:38,787 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-10-17 17:45:38,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-10-17 17:45:38,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 17:45:38,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 17:45:38,788 INFO L130 BoogieDeclarations]: Found specification of procedure skb_shared [2022-10-17 17:45:38,788 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_shared [2022-10-17 17:45:38,788 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-10-17 17:45:38,788 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-10-17 17:45:38,788 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-10-17 17:45:38,788 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-10-17 17:45:38,789 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:45:38,789 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:45:38,789 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-10-17 17:45:38,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-10-17 17:45:38,789 INFO L130 BoogieDeclarations]: Found specification of procedure hardware_show [2022-10-17 17:45:38,790 INFO L138 BoogieDeclarations]: Found implementation of procedure hardware_show [2022-10-17 17:45:38,790 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-10-17 17:45:38,790 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-10-17 17:45:38,790 INFO L130 BoogieDeclarations]: Found specification of procedure print_buffer [2022-10-17 17:45:38,790 INFO L138 BoogieDeclarations]: Found implementation of procedure print_buffer [2022-10-17 17:45:38,790 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 17:45:38,791 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 17:45:38,791 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-10-17 17:45:38,791 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-10-17 17:45:38,791 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-10-17 17:45:38,791 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-10-17 17:45:38,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:45:38,792 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-17 17:45:38,792 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-17 17:45:38,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 17:45:38,792 INFO L130 BoogieDeclarations]: Found specification of procedure fpga_queue [2022-10-17 17:45:38,792 INFO L138 BoogieDeclarations]: Found implementation of procedure fpga_queue [2022-10-17 17:45:38,792 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-10-17 17:45:38,793 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-10-17 17:45:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure solos_param_show [2022-10-17 17:45:38,793 INFO L138 BoogieDeclarations]: Found implementation of procedure solos_param_show [2022-10-17 17:45:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-10-17 17:45:38,793 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-10-17 17:45:38,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-10-17 17:45:38,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-10-17 17:45:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 17:45:38,794 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 17:45:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure atm_remove [2022-10-17 17:45:38,794 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_remove [2022-10-17 17:45:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:45:38,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 17:45:38,795 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-10-17 17:45:38,795 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-10-17 17:45:38,795 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2022-10-17 17:45:38,795 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-10-17 17:45:38,795 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-10-17 17:45:38,796 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-17 17:45:38,796 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-17 17:45:38,796 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-17 17:45:38,796 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-17 17:45:38,796 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-10-17 17:45:38,796 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-10-17 17:45:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 17:45:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-17 17:45:38,797 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-17 17:45:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-17 17:45:38,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-17 17:45:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure solos_param_store [2022-10-17 17:45:38,798 INFO L138 BoogieDeclarations]: Found implementation of procedure solos_param_store [2022-10-17 17:45:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 17:45:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2022-10-17 17:45:38,798 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2022-10-17 17:45:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:45:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-10-17 17:45:38,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-10-17 17:45:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-10-17 17:45:38,799 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-10-17 17:45:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-10-17 17:45:38,799 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-10-17 17:45:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 17:45:38,800 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 17:45:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-17 17:45:38,800 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-17 17:45:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-17 17:45:38,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-17 17:45:38,800 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-10-17 17:45:38,801 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-10-17 17:45:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 17:45:38,801 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 17:45:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-10-17 17:45:38,801 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-10-17 17:45:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:45:38,802 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-10-17 17:45:38,802 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-10-17 17:45:38,802 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-10-17 17:45:38,802 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-10-17 17:45:38,802 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-10-17 17:45:38,802 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-10-17 17:45:38,803 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-10-17 17:45:38,803 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-10-17 17:45:38,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 17:45:38,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 17:45:38,803 INFO L130 BoogieDeclarations]: Found specification of procedure solos_pop [2022-10-17 17:45:38,803 INFO L138 BoogieDeclarations]: Found implementation of procedure solos_pop [2022-10-17 17:45:38,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-10-17 17:45:38,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-10-17 17:45:38,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:45:38,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-10-17 17:45:38,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-10-17 17:45:38,804 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-10-17 17:45:38,805 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-10-17 17:45:38,805 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-10-17 17:45:38,805 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-10-17 17:45:38,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:45:38,805 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-10-17 17:45:38,805 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-10-17 17:45:38,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 17:45:38,806 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-17 17:45:38,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-10-17 17:45:38,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-10-17 17:45:38,806 INFO L130 BoogieDeclarations]: Found specification of procedure psend [2022-10-17 17:45:38,806 INFO L138 BoogieDeclarations]: Found implementation of procedure psend [2022-10-17 17:45:38,806 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-10-17 17:45:38,807 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-10-17 17:45:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-10-17 17:45:38,807 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-10-17 17:45:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-10-17 17:45:38,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-10-17 17:45:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure flash_upgrade [2022-10-17 17:45:38,807 INFO L138 BoogieDeclarations]: Found implementation of procedure flash_upgrade [2022-10-17 17:45:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-10-17 17:45:38,808 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-10-17 17:45:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-10-17 17:45:38,808 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-10-17 17:45:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-10-17 17:45:38,808 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-10-17 17:45:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-10-17 17:45:38,809 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-10-17 17:45:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure atm_dev_signal_change [2022-10-17 17:45:38,809 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_dev_signal_change [2022-10-17 17:45:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure fpga_tx [2022-10-17 17:45:38,809 INFO L138 BoogieDeclarations]: Found implementation of procedure fpga_tx [2022-10-17 17:45:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-10-17 17:45:38,810 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-10-17 17:45:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-17 17:45:38,810 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-17 17:45:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-10-17 17:45:38,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-10-17 17:45:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-17 17:45:38,811 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-17 17:45:38,811 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-10-17 17:45:38,811 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-10-17 17:45:38,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:45:38,811 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-10-17 17:45:38,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-10-17 17:45:38,812 INFO L130 BoogieDeclarations]: Found specification of procedure geos_gpio_show [2022-10-17 17:45:38,812 INFO L138 BoogieDeclarations]: Found implementation of procedure geos_gpio_show [2022-10-17 17:45:38,812 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-10-17 17:45:38,812 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-10-17 17:45:38,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:45:38,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:45:39,842 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:45:39,846 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:45:40,164 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 17:45:47,802 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:45:49,348 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:45:49,349 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 17:45:49,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:45:49 BoogieIcfgContainer [2022-10-17 17:45:49,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:45:49,359 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 17:45:49,359 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 17:45:49,362 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 17:45:49,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 05:45:33" (1/3) ... [2022-10-17 17:45:49,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f4fb246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:45:49, skipping insertion in model container [2022-10-17 17:45:49,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:45:37" (2/3) ... [2022-10-17 17:45:49,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f4fb246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:45:49, skipping insertion in model container [2022-10-17 17:45:49,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:45:49" (3/3) ... [2022-10-17 17:45:49,368 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--atm--solos-pci.ko-entry_point.cil.out.i [2022-10-17 17:45:49,387 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 17:45:49,388 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 17:45:49,524 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 17:45:49,531 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;@6ae31c65, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 17:45:49,532 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 17:45:49,545 INFO L276 IsEmpty]: Start isEmpty. Operand has 2312 states, 1467 states have (on average 1.4192229038854807) internal successors, (2082), 1577 states have internal predecessors, (2082), 763 states have call successors, (763), 81 states have call predecessors, (763), 80 states have return successors, (670), 667 states have call predecessors, (670), 670 states have call successors, (670) [2022-10-17 17:45:49,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3004 [2022-10-17 17:45:49,769 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:45:49,772 INFO L195 NwaCegarLoop]: trace histogram [239, 239, 239, 239, 239, 239, 239, 239, 239, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 17:45:49,774 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:45:49,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:45:49,783 INFO L85 PathProgramCache]: Analyzing trace with hash 2079679673, now seen corresponding path program 1 times [2022-10-17 17:45:49,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:45:49,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816691609] [2022-10-17 17:45:49,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:45:49,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:45:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:45:58,192 INFO L134 CoverageAnalysis]: Checked inductivity of 285238 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 285238 trivial. 0 not checked. [2022-10-17 17:45:58,193 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-10-17 17:45:58,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816691609] [2022-10-17 17:45:58,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816691609] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 17:45:58,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 17:45:58,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 17:45:58,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314803583] [2022-10-17 17:45:58,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 17:45:58,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 17:45:58,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-10-17 17:45:58,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 17:45:58,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 17:45:58,263 INFO L87 Difference]: Start difference. First operand has 2312 states, 1467 states have (on average 1.4192229038854807) internal successors, (2082), 1577 states have internal predecessors, (2082), 763 states have call successors, (763), 81 states have call predecessors, (763), 80 states have return successors, (670), 667 states have call predecessors, (670), 670 states have call successors, (670) Second operand has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 2 states have call successors, (269), 2 states have call predecessors, (269), 1 states have return successors, (265), 1 states have call predecessors, (265), 1 states have call successors, (265) [2022-10-17 17:46:00,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []