./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--usb--host--ohci-hcd.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_2e1ad907-bf27-46fb-bd74-0773514392c6/bin/utaipan-G1rejxKTta/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1ad907-bf27-46fb-bd74-0773514392c6/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_2e1ad907-bf27-46fb-bd74-0773514392c6/bin/utaipan-G1rejxKTta/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1ad907-bf27-46fb-bd74-0773514392c6/bin/utaipan-G1rejxKTta/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1ad907-bf27-46fb-bd74-0773514392c6/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_2e1ad907-bf27-46fb-bd74-0773514392c6/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 4c74f17ad80d26d3384a467dad9313e9d7d1be91817d15d75e196d6ef78bc5b2 --- 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 17:43:05,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:43:05,695 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:43:05,737 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:43:05,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:43:05,742 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:43:05,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:43:05,749 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:43:05,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:43:05,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:43:05,759 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:43:05,761 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:43:05,762 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:43:05,765 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:43:05,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:43:05,769 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:43:05,771 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:43:05,772 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:43:05,774 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:43:05,785 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:43:05,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:43:05,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:43:05,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:43:05,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:43:05,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:43:05,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:43:05,805 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:43:05,807 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:43:05,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:43:05,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:43:05,810 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:43:05,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:43:05,813 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:43:05,815 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:43:05,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:43:05,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:43:05,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:43:05,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:43:05,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:43:05,820 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:43:05,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:43:05,822 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1ad907-bf27-46fb-bd74-0773514392c6/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-10-17 17:43:05,855 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:43:05,855 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:43:05,856 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 17:43:05,856 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 17:43:05,856 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:43:05,857 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 17:43:05,857 INFO L138 SettingsManager]: * User list type=DISABLED [2022-10-17 17:43:05,857 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-10-17 17:43:05,857 INFO L138 SettingsManager]: * Explicit value domain=true [2022-10-17 17:43:05,857 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-10-17 17:43:05,858 INFO L138 SettingsManager]: * Octagon Domain=false [2022-10-17 17:43:05,858 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-10-17 17:43:05,858 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-10-17 17:43:05,858 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-10-17 17:43:05,858 INFO L138 SettingsManager]: * Interval Domain=false [2022-10-17 17:43:05,859 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-10-17 17:43:05,859 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-10-17 17:43:05,859 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-10-17 17:43:05,860 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:43:05,860 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:43:05,860 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:43:05,860 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:43:05,860 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:43:05,861 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:43:05,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:43:05,861 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:43:05,861 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:43:05,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:43:05,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 17:43:05,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:43:05,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:43:05,862 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-10-17 17:43:05,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:43:05,863 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:43:05,863 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-10-17 17:43:05,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:43:05,872 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:43:05,873 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-10-17 17:43:05,873 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_2e1ad907-bf27-46fb-bd74-0773514392c6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1ad907-bf27-46fb-bd74-0773514392c6/bin/utaipan-G1rejxKTta Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c74f17ad80d26d3384a467dad9313e9d7d1be91817d15d75e196d6ef78bc5b2 [2022-10-17 17:43:06,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:43:06,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:43:06,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:43:06,220 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:43:06,221 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:43:06,222 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1ad907-bf27-46fb-bd74-0773514392c6/bin/utaipan-G1rejxKTta/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.ko-entry_point.cil.out.i [2022-10-17 17:43:06,296 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1ad907-bf27-46fb-bd74-0773514392c6/bin/utaipan-G1rejxKTta/data/a9549953d/46680dfa58b044fdac9579f4f0045d72/FLAGac7dc5acd [2022-10-17 17:43:07,191 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:43:07,191 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1ad907-bf27-46fb-bd74-0773514392c6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.ko-entry_point.cil.out.i [2022-10-17 17:43:07,247 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1ad907-bf27-46fb-bd74-0773514392c6/bin/utaipan-G1rejxKTta/data/a9549953d/46680dfa58b044fdac9579f4f0045d72/FLAGac7dc5acd [2022-10-17 17:43:07,649 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1ad907-bf27-46fb-bd74-0773514392c6/bin/utaipan-G1rejxKTta/data/a9549953d/46680dfa58b044fdac9579f4f0045d72 [2022-10-17 17:43:07,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:43:07,653 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:43:07,654 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:43:07,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:43:07,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:43:07,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:43:07" (1/1) ... [2022-10-17 17:43:07,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21d63fbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:07, skipping insertion in model container [2022-10-17 17:43:07,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:43:07" (1/1) ... [2022-10-17 17:43:07,686 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:43:07,856 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:43:10,116 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_2e1ad907-bf27-46fb-bd74-0773514392c6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.ko-entry_point.cil.out.i[315625,315638] [2022-10-17 17:43:10,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:43:10,201 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:43:10,720 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_2e1ad907-bf27-46fb-bd74-0773514392c6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.ko-entry_point.cil.out.i[315625,315638] [2022-10-17 17:43:10,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:43:10,812 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:43:10,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:10 WrapperNode [2022-10-17 17:43:10,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:43:10,814 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:43:10,814 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:43:10,814 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:43:10,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:10" (1/1) ... [2022-10-17 17:43:10,956 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:10" (1/1) ... [2022-10-17 17:43:11,231 INFO L138 Inliner]: procedures = 259, calls = 4373, calls flagged for inlining = 103, calls inlined = 98, statements flattened = 8903 [2022-10-17 17:43:11,231 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:43:11,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:43:11,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:43:11,233 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:43:11,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:10" (1/1) ... [2022-10-17 17:43:11,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:10" (1/1) ... [2022-10-17 17:43:11,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:10" (1/1) ... [2022-10-17 17:43:11,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:10" (1/1) ... [2022-10-17 17:43:11,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:10" (1/1) ... [2022-10-17 17:43:11,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:10" (1/1) ... [2022-10-17 17:43:11,713 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:10" (1/1) ... [2022-10-17 17:43:11,748 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:10" (1/1) ... [2022-10-17 17:43:11,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:43:11,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:43:11,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:43:11,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:43:11,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:10" (1/1) ... [2022-10-17 17:43:11,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:43:11,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1ad907-bf27-46fb-bd74-0773514392c6/bin/utaipan-G1rejxKTta/z3 [2022-10-17 17:43:11,842 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1ad907-bf27-46fb-bd74-0773514392c6/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 17:43:11,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1ad907-bf27-46fb-bd74-0773514392c6/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 17:43:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_ohci [2022-10-17 17:43:11,891 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_ohci [2022-10-17 17:43:11,891 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-17 17:43:11,891 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-17 17:43:11,891 INFO L130 BoogieDeclarations]: Found specification of procedure start_ed_unlink [2022-10-17 17:43:11,892 INFO L138 BoogieDeclarations]: Found implementation of procedure start_ed_unlink [2022-10-17 17:43:11,892 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_status [2022-10-17 17:43:11,892 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_status [2022-10-17 17:43:11,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 17:43:11,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 17:43:11,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 17:43:11,893 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 17:43:11,893 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-10-17 17:43:11,893 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-10-17 17:43:11,893 INFO L130 BoogieDeclarations]: Found specification of procedure show_list [2022-10-17 17:43:11,893 INFO L138 BoogieDeclarations]: Found implementation of procedure show_list [2022-10-17 17:43:11,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-10-17 17:43:11,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-10-17 17:43:11,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 17:43:11,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 17:43:11,894 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-10-17 17:43:11,894 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-10-17 17:43:11,894 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpup [2022-10-17 17:43:11,895 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpup [2022-10-17 17:43:11,895 INFO L130 BoogieDeclarations]: Found specification of procedure hcfs2string [2022-10-17 17:43:11,895 INFO L138 BoogieDeclarations]: Found implementation of procedure hcfs2string [2022-10-17 17:43:11,895 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_zfmicro [2022-10-17 17:43:11,895 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_zfmicro [2022-10-17 17:43:11,896 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hub_status_data [2022-10-17 17:43:11,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hub_status_data [2022-10-17 17:43:11,896 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_shutdown [2022-10-17 17:43:11,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_shutdown [2022-10-17 17:43:11,896 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-17 17:43:11,897 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-17 17:43:11,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 17:43:11,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 17:43:11,897 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_intr_mask [2022-10-17 17:43:11,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_intr_mask [2022-10-17 17:43:11,898 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_buffer [2022-10-17 17:43:11,898 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_buffer [2022-10-17 17:43:11,898 INFO L130 BoogieDeclarations]: Found specification of procedure _ohci_writel [2022-10-17 17:43:11,898 INFO L138 BoogieDeclarations]: Found implementation of procedure _ohci_writel [2022-10-17 17:43:11,898 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-17 17:43:11,898 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-17 17:43:11,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 17:43:11,899 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 17:43:11,899 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hwPSWp [2022-10-17 17:43:11,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hwPSWp [2022-10-17 17:43:11,900 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:43:11,901 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:43:11,901 INFO L130 BoogieDeclarations]: Found specification of procedure debug_output [2022-10-17 17:43:11,902 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_output [2022-10-17 17:43:11,902 INFO L130 BoogieDeclarations]: Found specification of procedure ed_schedule [2022-10-17 17:43:11,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_schedule [2022-10-17 17:43:11,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-10-17 17:43:11,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-10-17 17:43:11,903 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_roothub [2022-10-17 17:43:11,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_roothub [2022-10-17 17:43:11,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:43:11,903 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_stop [2022-10-17 17:43:11,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_stop [2022-10-17 17:43:11,903 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-17 17:43:11,904 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-17 17:43:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 17:43:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2022-10-17 17:43:11,904 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2022-10-17 17:43:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-10-17 17:43:11,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-10-17 17:43:11,904 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_nec [2022-10-17 17:43:11,905 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_nec [2022-10-17 17:43:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_restart [2022-10-17 17:43:11,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_restart [2022-10-17 17:43:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 17:43:11,905 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 17:43:11,905 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2022-10-17 17:43:11,906 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2022-10-17 17:43:11,906 INFO L130 BoogieDeclarations]: Found specification of procedure update_done_list [2022-10-17 17:43:11,907 INFO L138 BoogieDeclarations]: Found implementation of procedure update_done_list [2022-10-17 17:43:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure td_free [2022-10-17 17:43:11,907 INFO L138 BoogieDeclarations]: Found implementation of procedure td_free [2022-10-17 17:43:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:43:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_rh_resume [2022-10-17 17:43:11,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_rh_resume [2022-10-17 17:43:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 17:43:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_portstatus [2022-10-17 17:43:11,909 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_portstatus [2022-10-17 17:43:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hc_died [2022-10-17 17:43:11,910 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hc_died [2022-10-17 17:43:11,910 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-10-17 17:43:11,910 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-10-17 17:43:11,910 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-10-17 17:43:11,911 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-10-17 17:43:11,912 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-10-17 17:43:11,912 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-10-17 17:43:11,912 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-17 17:43:11,912 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-17 17:43:11,912 INFO L130 BoogieDeclarations]: Found specification of procedure ed_free [2022-10-17 17:43:11,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_free [2022-10-17 17:43:11,913 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-17 17:43:11,913 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-17 17:43:11,913 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_start [2022-10-17 17:43:11,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_start [2022-10-17 17:43:11,913 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump [2022-10-17 17:43:11,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump [2022-10-17 17:43:11,914 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_setup [2022-10-17 17:43:11,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_setup [2022-10-17 17:43:11,914 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_frame_no [2022-10-17 17:43:11,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_frame_no [2022-10-17 17:43:11,915 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-10-17 17:43:11,915 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-10-17 17:43:11,916 INFO L130 BoogieDeclarations]: Found specification of procedure sb800_prefetch [2022-10-17 17:43:11,919 INFO L138 BoogieDeclarations]: Found implementation of procedure sb800_prefetch [2022-10-17 17:43:11,919 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2022-10-17 17:43:11,919 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2022-10-17 17:43:11,919 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hub_control [2022-10-17 17:43:11,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hub_control [2022-10-17 17:43:11,921 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2022-10-17 17:43:11,921 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2022-10-17 17:43:11,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:43:11,921 INFO L130 BoogieDeclarations]: Found specification of procedure finish_urb [2022-10-17 17:43:11,929 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_urb [2022-10-17 17:43:11,929 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-10-17 17:43:11,929 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-10-17 17:43:11,930 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_rh_suspend [2022-10-17 17:43:11,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_rh_suspend [2022-10-17 17:43:11,930 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_a [2022-10-17 17:43:11,930 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_a [2022-10-17 17:43:11,930 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_irq [2022-10-17 17:43:11,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_irq [2022-10-17 17:43:11,930 INFO L130 BoogieDeclarations]: Found specification of procedure rh_state_string [2022-10-17 17:43:11,930 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_state_string [2022-10-17 17:43:11,931 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_b [2022-10-17 17:43:11,931 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_b [2022-10-17 17:43:11,931 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_urb_enqueue [2022-10-17 17:43:11,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_urb_enqueue [2022-10-17 17:43:11,931 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_start_port_reset [2022-10-17 17:43:11,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_start_port_reset [2022-10-17 17:43:11,931 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_to_hcd [2022-10-17 17:43:11,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_to_hcd [2022-10-17 17:43:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-17 17:43:11,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-17 17:43:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure td_alloc [2022-10-17 17:43:11,932 INFO L138 BoogieDeclarations]: Found implementation of procedure td_alloc [2022-10-17 17:43:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure find_head [2022-10-17 17:43:11,932 INFO L138 BoogieDeclarations]: Found implementation of procedure find_head [2022-10-17 17:43:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2022-10-17 17:43:11,933 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2022-10-17 17:43:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 17:43:11,933 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 17:43:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_run [2022-10-17 17:43:11,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_run [2022-10-17 17:43:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-10-17 17:43:11,933 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-10-17 17:43:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_endpoint_disable [2022-10-17 17:43:11,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_endpoint_disable [2022-10-17 17:43:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:43:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_amdprefetch [2022-10-17 17:43:11,934 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_amdprefetch [2022-10-17 17:43:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-10-17 17:43:11,934 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-10-17 17:43:11,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 17:43:11,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 17:43:11,935 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2022-10-17 17:43:11,935 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2022-10-17 17:43:11,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-10-17 17:43:11,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-10-17 17:43:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure add_to_done_list [2022-10-17 17:43:11,936 INFO L138 BoogieDeclarations]: Found implementation of procedure add_to_done_list [2022-10-17 17:43:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure _ohci_readl [2022-10-17 17:43:11,936 INFO L138 BoogieDeclarations]: Found implementation of procedure _ohci_readl [2022-10-17 17:43:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:43:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2022-10-17 17:43:11,937 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2022-10-17 17:43:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_poll_rh_status [2022-10-17 17:43:11,937 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_poll_rh_status [2022-10-17 17:43:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-10-17 17:43:11,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-10-17 17:43:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-10-17 17:43:11,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-10-17 17:43:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:43:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_reinit [2022-10-17 17:43:11,938 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_reinit [2022-10-17 17:43:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2022-10-17 17:43:11,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2022-10-17 17:43:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-17 17:43:11,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-17 17:43:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 17:43:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure td_done [2022-10-17 17:43:11,939 INFO L138 BoogieDeclarations]: Found implementation of procedure td_done [2022-10-17 17:43:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure td_fill [2022-10-17 17:43:11,939 INFO L138 BoogieDeclarations]: Found implementation of procedure td_fill [2022-10-17 17:43:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_urb_dequeue [2022-10-17 17:43:11,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_urb_dequeue [2022-10-17 17:43:11,940 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_init [2022-10-17 17:43:11,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_init [2022-10-17 17:43:11,940 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-10-17 17:43:11,940 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-10-17 17:43:11,940 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_work [2022-10-17 17:43:11,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_work [2022-10-17 17:43:11,940 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_amdiso [2022-10-17 17:43:11,941 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_amdiso [2022-10-17 17:43:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-10-17 17:43:11,941 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-10-17 17:43:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-17 17:43:11,941 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-17 17:43:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure ed_deschedule [2022-10-17 17:43:11,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_deschedule [2022-10-17 17:43:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_resume_root_hub [2022-10-17 17:43:11,942 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_resume_root_hub [2022-10-17 17:43:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-10-17 17:43:11,942 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-10-17 17:43:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure urb_free_priv [2022-10-17 17:43:11,942 INFO L138 BoogieDeclarations]: Found implementation of procedure urb_free_priv [2022-10-17 17:43:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpu [2022-10-17 17:43:11,943 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpu [2022-10-17 17:43:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_status [2022-10-17 17:43:11,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_status [2022-10-17 17:43:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure maybe_print_eds [2022-10-17 17:43:11,943 INFO L138 BoogieDeclarations]: Found implementation of procedure maybe_print_eds [2022-10-17 17:43:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure debug_close [2022-10-17 17:43:11,943 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_close [2022-10-17 17:43:11,944 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_get_frame [2022-10-17 17:43:11,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_get_frame [2022-10-17 17:43:11,944 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-17 17:43:11,944 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-17 17:43:11,944 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-10-17 17:43:11,944 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-10-17 17:43:11,944 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc32 [2022-10-17 17:43:11,945 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc32 [2022-10-17 17:43:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-17 17:43:11,945 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-17 17:43:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_usb_reset [2022-10-17 17:43:11,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_usb_reset [2022-10-17 17:43:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_bus_resume [2022-10-17 17:43:11,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_bus_resume [2022-10-17 17:43:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-17 17:43:11,946 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-17 17:43:11,947 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_bus_suspend [2022-10-17 17:43:11,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_bus_suspend [2022-10-17 17:43:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:43:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:43:11,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:43:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2022-10-17 17:43:11,951 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2022-10-17 17:43:13,079 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:43:13,084 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:43:14,002 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 17:43:24,293 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:43:28,435 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:43:28,435 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 17:43:28,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:43:28 BoogieIcfgContainer [2022-10-17 17:43:28,442 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:43:28,444 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 17:43:28,444 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 17:43:28,447 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 17:43:28,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 05:43:07" (1/3) ... [2022-10-17 17:43:28,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b696380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:43:28, skipping insertion in model container [2022-10-17 17:43:28,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:10" (2/3) ... [2022-10-17 17:43:28,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b696380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:43:28, skipping insertion in model container [2022-10-17 17:43:28,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:43:28" (3/3) ... [2022-10-17 17:43:28,450 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.ko-entry_point.cil.out.i [2022-10-17 17:43:28,470 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 17:43:28,470 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 17:43:28,584 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 17:43:28,591 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;@5e9655e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 17:43:28,591 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 17:43:28,603 INFO L276 IsEmpty]: Start isEmpty. Operand has 2367 states, 1495 states have (on average 1.3578595317725752) internal successors, (2030), 1565 states have internal predecessors, (2030), 759 states have call successors, (759), 116 states have call predecessors, (759), 115 states have return successors, (752), 745 states have call predecessors, (752), 752 states have call successors, (752) [2022-10-17 17:43:28,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2022-10-17 17:43:28,627 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:43:28,628 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:43:28,628 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:43:28,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:43:28,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1153667391, now seen corresponding path program 1 times [2022-10-17 17:43:28,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:43:28,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868368577] [2022-10-17 17:43:28,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:43:28,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:43:29,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:43:30,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2022-10-17 17:43:30,366 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-10-17 17:43:30,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868368577] [2022-10-17 17:43:30,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868368577] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 17:43:30,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 17:43:30,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 17:43:30,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176104986] [2022-10-17 17:43:30,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 17:43:30,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 17:43:30,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-10-17 17:43:30,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 17:43:30,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 17:43:30,425 INFO L87 Difference]: Start difference. First operand has 2367 states, 1495 states have (on average 1.3578595317725752) internal successors, (2030), 1565 states have internal predecessors, (2030), 759 states have call successors, (759), 116 states have call predecessors, (759), 115 states have return successors, (752), 745 states have call predecessors, (752), 752 states have call successors, (752) Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-10-17 17:43:32,561 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 []