./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-32_7a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bbef461d577533a33a47975bed502a034d4de7bb4c9545318a29cb7eaac175ad --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 16:40:21,596 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 16:40:21,598 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 16:40:21,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 16:40:21,642 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 16:40:21,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 16:40:21,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 16:40:21,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 16:40:21,653 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 16:40:21,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 16:40:21,658 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 16:40:21,659 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 16:40:21,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 16:40:21,661 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 16:40:21,662 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 16:40:21,664 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 16:40:21,665 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 16:40:21,666 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 16:40:21,669 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 16:40:21,673 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 16:40:21,674 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 16:40:21,675 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 16:40:21,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 16:40:21,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 16:40:21,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 16:40:21,686 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 16:40:21,686 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 16:40:21,688 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 16:40:21,688 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 16:40:21,689 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 16:40:21,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 16:40:21,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 16:40:21,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 16:40:21,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 16:40:21,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 16:40:21,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 16:40:21,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 16:40:21,695 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 16:40:21,695 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 16:40:21,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 16:40:21,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 16:40:21,698 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 16:40:21,728 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 16:40:21,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 16:40:21,729 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 16:40:21,730 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 16:40:21,730 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 16:40:21,731 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 16:40:21,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 16:40:21,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 16:40:21,732 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 16:40:21,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 16:40:21,733 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 16:40:21,733 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 16:40:21,733 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 16:40:21,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 16:40:21,733 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 16:40:21,734 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 16:40:21,734 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 16:40:21,734 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 16:40:21,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 16:40:21,734 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 16:40:21,735 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 16:40:21,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:40:21,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 16:40:21,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 16:40:21,735 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 16:40:21,736 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 16:40:21,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 16:40:21,737 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 16:40:21,737 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 16:40:21,737 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 16:40:21,737 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 16:40:21,738 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bbef461d577533a33a47975bed502a034d4de7bb4c9545318a29cb7eaac175ad [2021-12-21 16:40:21,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 16:40:22,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 16:40:22,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 16:40:22,013 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 16:40:22,014 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 16:40:22,015 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i [2021-12-21 16:40:22,084 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/026e06f4c/9dcd8e539f3e44aa8bb28f1765713cb0/FLAGe9072f2a2 [2021-12-21 16:40:22,838 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 16:40:22,839 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i [2021-12-21 16:40:22,889 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/026e06f4c/9dcd8e539f3e44aa8bb28f1765713cb0/FLAGe9072f2a2 [2021-12-21 16:40:23,378 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/026e06f4c/9dcd8e539f3e44aa8bb28f1765713cb0 [2021-12-21 16:40:23,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 16:40:23,382 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 16:40:23,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 16:40:23,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 16:40:23,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 16:40:23,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:40:23" (1/1) ... [2021-12-21 16:40:23,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d279d85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:40:23, skipping insertion in model container [2021-12-21 16:40:23,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:40:23" (1/1) ... [2021-12-21 16:40:23,396 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 16:40:23,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:40:25,277 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i[283009,283022] [2021-12-21 16:40:25,441 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:40:25,461 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 16:40:25,871 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i[283009,283022] [2021-12-21 16:40:25,881 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:40:25,952 INFO L208 MainTranslator]: Completed translation [2021-12-21 16:40:25,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:40:25 WrapperNode [2021-12-21 16:40:25,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 16:40:25,955 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 16:40:25,955 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 16:40:25,955 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 16:40:25,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:40:25" (1/1) ... [2021-12-21 16:40:26,077 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:40:25" (1/1) ... [2021-12-21 16:40:26,281 INFO L137 Inliner]: procedures = 307, calls = 3021, calls flagged for inlining = 108, calls inlined = 104, statements flattened = 6883 [2021-12-21 16:40:26,283 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 16:40:26,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 16:40:26,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 16:40:26,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 16:40:26,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:40:25" (1/1) ... [2021-12-21 16:40:26,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:40:25" (1/1) ... [2021-12-21 16:40:26,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:40:25" (1/1) ... [2021-12-21 16:40:26,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:40:25" (1/1) ... [2021-12-21 16:40:26,510 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:40:25" (1/1) ... [2021-12-21 16:40:26,540 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:40:25" (1/1) ... [2021-12-21 16:40:26,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:40:25" (1/1) ... [2021-12-21 16:40:26,602 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 16:40:26,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 16:40:26,604 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 16:40:26,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 16:40:26,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:40:25" (1/1) ... [2021-12-21 16:40:26,617 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:40:26,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:40:26,636 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 16:40:26,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 16:40:26,673 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_reset [2021-12-21 16:40:26,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_reset [2021-12-21 16:40:26,674 INFO L130 BoogieDeclarations]: Found specification of procedure end_unlink_async [2021-12-21 16:40:26,674 INFO L138 BoogieDeclarations]: Found implementation of procedure end_unlink_async [2021-12-21 16:40:26,674 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_status_buf [2021-12-21 16:40:26,674 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_status_buf [2021-12-21 16:40:26,674 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-21 16:40:26,674 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-21 16:40:26,675 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-12-21 16:40:26,675 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-12-21 16:40:26,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 16:40:26,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 16:40:26,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 16:40:26,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 16:40:26,675 INFO L130 BoogieDeclarations]: Found specification of procedure scan_periodic [2021-12-21 16:40:26,676 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_periodic [2021-12-21 16:40:26,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 16:40:26,676 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 16:40:26,676 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-21 16:40:26,676 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-21 16:40:26,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 16:40:26,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 16:40:26,677 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_create [2021-12-21 16:40:26,677 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_create [2021-12-21 16:40:26,677 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_readl [2021-12-21 16:40:26,677 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_readl [2021-12-21 16:40:26,677 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_run [2021-12-21 16:40:26,677 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_run [2021-12-21 16:40:26,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-21 16:40:26,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-21 16:40:26,678 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_next_shadow [2021-12-21 16:40:26,678 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_next_shadow [2021-12-21 16:40:26,678 INFO L130 BoogieDeclarations]: Found specification of procedure qh_put [2021-12-21 16:40:26,678 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_put [2021-12-21 16:40:26,678 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_irq [2021-12-21 16:40:26,679 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_irq [2021-12-21 16:40:26,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 16:40:26,679 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 16:40:26,679 INFO L130 BoogieDeclarations]: Found specification of procedure scan_async [2021-12-21 16:40:26,679 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_async [2021-12-21 16:40:26,679 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-21 16:40:26,680 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-21 16:40:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 16:40:26,680 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 16:40:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_halt [2021-12-21 16:40:26,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_halt [2021-12-21 16:40:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_endpoint_disable [2021-12-21 16:40:26,681 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_endpoint_disable [2021-12-21 16:40:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2021-12-21 16:40:26,681 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2021-12-21 16:40:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-21 16:40:26,681 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-21 16:40:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-21 16:40:26,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-21 16:40:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2021-12-21 16:40:26,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2021-12-21 16:40:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_qtd_free [2021-12-21 16:40:26,683 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_qtd_free [2021-12-21 16:40:26,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 16:40:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-21 16:40:26,684 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-21 16:40:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_list_free [2021-12-21 16:40:26,684 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_list_free [2021-12-21 16:40:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 16:40:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_fill [2021-12-21 16:40:26,684 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_fill [2021-12-21 16:40:26,685 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-21 16:40:26,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-21 16:40:26,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-21 16:40:26,685 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_writel [2021-12-21 16:40:26,685 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_writel [2021-12-21 16:40:26,685 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-21 16:40:26,686 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-21 16:40:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_drv_shutdown [2021-12-21 16:40:26,686 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_drv_shutdown [2021-12-21 16:40:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2021-12-21 16:40:26,687 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2021-12-21 16:40:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_murb_alloc [2021-12-21 16:40:26,687 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_murb_alloc [2021-12-21 16:40:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 16:40:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 16:40:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_command_buf [2021-12-21 16:40:26,687 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_command_buf [2021-12-21 16:40:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_urb_enqueue [2021-12-21 16:40:26,688 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_urb_enqueue [2021-12-21 16:40:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hc_died [2021-12-21 16:40:26,688 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hc_died [2021-12-21 16:40:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_usecs [2021-12-21 16:40:26,688 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_usecs [2021-12-21 16:40:26,689 INFO L130 BoogieDeclarations]: Found specification of procedure intr_deschedule [2021-12-21 16:40:26,689 INFO L138 BoogieDeclarations]: Found implementation of procedure intr_deschedule [2021-12-21 16:40:26,689 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_buf_alloc [2021-12-21 16:40:26,689 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_buf_alloc [2021-12-21 16:40:26,689 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-21 16:40:26,690 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-21 16:40:26,690 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-21 16:40:26,690 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-21 16:40:26,690 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_hub_control [2021-12-21 16:40:26,691 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_hub_control [2021-12-21 16:40:26,691 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2021-12-21 16:40:26,691 INFO L130 BoogieDeclarations]: Found specification of procedure qh_completions [2021-12-21 16:40:26,691 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_completions [2021-12-21 16:40:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-21 16:40:26,692 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-21 16:40:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2021-12-21 16:40:26,692 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2021-12-21 16:40:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-21 16:40:26,692 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-21 16:40:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 16:40:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_drv_probe [2021-12-21 16:40:26,693 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_drv_probe [2021-12-21 16:40:26,693 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-21 16:40:26,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-21 16:40:26,693 INFO L130 BoogieDeclarations]: Found specification of procedure timer_action [2021-12-21 16:40:26,693 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_action [2021-12-21 16:40:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-21 16:40:26,694 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-21 16:40:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 16:40:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_get_frame [2021-12-21 16:40:26,697 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_get_frame [2021-12-21 16:40:26,697 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_stop [2021-12-21 16:40:26,697 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_stop [2021-12-21 16:40:26,697 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2021-12-21 16:40:26,698 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2021-12-21 16:40:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 16:40:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-21 16:40:26,699 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-21 16:40:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 16:40:26,705 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 16:40:26,705 INFO L130 BoogieDeclarations]: Found specification of procedure qh_schedule [2021-12-21 16:40:26,705 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_schedule [2021-12-21 16:40:26,705 INFO L130 BoogieDeclarations]: Found specification of procedure check_intr_schedule [2021-12-21 16:40:26,705 INFO L138 BoogieDeclarations]: Found implementation of procedure check_intr_schedule [2021-12-21 16:40:26,705 INFO L130 BoogieDeclarations]: Found specification of procedure __oxu_urb_enqueue [2021-12-21 16:40:26,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __oxu_urb_enqueue [2021-12-21 16:40:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_drv_remove [2021-12-21 16:40:26,706 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_drv_remove [2021-12-21 16:40:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2021-12-21 16:40:26,706 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2021-12-21 16:40:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 16:40:26,706 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 16:40:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-21 16:40:26,706 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-21 16:40:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 16:40:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-21 16:40:26,707 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-21 16:40:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-21 16:40:26,707 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-21 16:40:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 16:40:26,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 16:40:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_work [2021-12-21 16:40:26,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_work [2021-12-21 16:40:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure qh_unlink_periodic [2021-12-21 16:40:26,708 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_unlink_periodic [2021-12-21 16:40:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-21 16:40:26,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-21 16:40:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2021-12-21 16:40:26,708 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2021-12-21 16:40:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 16:40:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2021-12-21 16:40:26,709 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2021-12-21 16:40:26,709 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_async [2021-12-21 16:40:26,709 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_async [2021-12-21 16:40:26,709 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_mem_cleanup [2021-12-21 16:40:26,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_mem_cleanup [2021-12-21 16:40:26,709 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_to_hcd [2021-12-21 16:40:26,709 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_to_hcd [2021-12-21 16:40:26,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-21 16:40:26,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-21 16:40:26,710 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-21 16:40:26,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-21 16:40:26,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 16:40:26,710 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_qh_alloc [2021-12-21 16:40:26,710 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_qh_alloc [2021-12-21 16:40:26,710 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_bus_suspend [2021-12-21 16:40:26,710 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_bus_suspend [2021-12-21 16:40:26,710 INFO L130 BoogieDeclarations]: Found specification of procedure usb_calc_bus_time [2021-12-21 16:40:26,711 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_calc_bus_time [2021-12-21 16:40:26,711 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2021-12-21 16:40:26,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2021-12-21 16:40:26,711 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-21 16:40:26,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-21 16:40:26,711 INFO L130 BoogieDeclarations]: Found specification of procedure qh_link_async [2021-12-21 16:40:26,711 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_link_async [2021-12-21 16:40:26,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 16:40:26,711 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_hub_status_data [2021-12-21 16:40:26,712 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_hub_status_data [2021-12-21 16:40:26,712 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_shutdown [2021-12-21 16:40:26,712 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_shutdown [2021-12-21 16:40:26,712 INFO L130 BoogieDeclarations]: Found specification of procedure qh_urb_transaction [2021-12-21 16:40:26,712 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_urb_transaction [2021-12-21 16:40:26,712 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 16:40:26,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 16:40:26,712 INFO L130 BoogieDeclarations]: Found specification of procedure qh_get [2021-12-21 16:40:26,713 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_get [2021-12-21 16:40:26,713 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-21 16:40:26,713 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-21 16:40:26,713 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_quiesce [2021-12-21 16:40:26,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_quiesce [2021-12-21 16:40:26,713 INFO L130 BoogieDeclarations]: Found specification of procedure timer_action_done [2021-12-21 16:40:26,713 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_action_done [2021-12-21 16:40:26,713 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-21 16:40:26,714 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-21 16:40:26,714 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-21 16:40:26,714 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-21 16:40:26,714 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2021-12-21 16:40:26,714 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2021-12-21 16:40:26,714 INFO L130 BoogieDeclarations]: Found specification of procedure usb_remove_hcd [2021-12-21 16:40:26,714 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_remove_hcd [2021-12-21 16:40:26,714 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_murb_free [2021-12-21 16:40:26,714 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_murb_free [2021-12-21 16:40:26,715 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_urb_done [2021-12-21 16:40:26,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_urb_done [2021-12-21 16:40:26,715 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2021-12-21 16:40:26,715 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2021-12-21 16:40:26,715 INFO L130 BoogieDeclarations]: Found specification of procedure handshake [2021-12-21 16:40:26,715 INFO L138 BoogieDeclarations]: Found implementation of procedure handshake [2021-12-21 16:40:26,715 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2021-12-21 16:40:26,715 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2021-12-21 16:40:26,716 INFO L130 BoogieDeclarations]: Found specification of procedure qh_refresh [2021-12-21 16:40:26,716 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_refresh [2021-12-21 16:40:26,716 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-21 16:40:26,716 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-21 16:40:26,716 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_async [2021-12-21 16:40:26,716 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_async [2021-12-21 16:40:26,716 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-21 16:40:26,716 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-21 16:40:26,717 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_bus_resume [2021-12-21 16:40:26,717 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_bus_resume [2021-12-21 16:40:26,717 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_urb_dequeue [2021-12-21 16:40:26,717 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_urb_dequeue [2021-12-21 16:40:26,717 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-21 16:40:26,717 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-21 16:40:26,717 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-21 16:40:26,717 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-21 16:40:26,717 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-21 16:40:26,718 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-21 16:40:26,718 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-21 16:40:26,718 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-21 16:40:26,718 INFO L130 BoogieDeclarations]: Found specification of procedure qh_append_tds [2021-12-21 16:40:26,718 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_append_tds [2021-12-21 16:40:26,719 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_remove [2021-12-21 16:40:26,719 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_remove [2021-12-21 16:40:26,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 16:40:26,719 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_qtd_alloc [2021-12-21 16:40:26,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_qtd_alloc [2021-12-21 16:40:26,722 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_oxu [2021-12-21 16:40:26,722 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_oxu [2021-12-21 16:40:26,723 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_reset [2021-12-21 16:40:26,723 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_reset [2021-12-21 16:40:26,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 16:40:26,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 16:40:26,723 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-21 16:40:26,723 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-21 16:40:27,595 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 16:40:27,597 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 16:40:28,102 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 16:40:35,892 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 16:40:35,916 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 16:40:35,916 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 16:40:35,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:40:35 BoogieIcfgContainer [2021-12-21 16:40:35,922 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 16:40:35,923 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 16:40:35,923 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 16:40:35,927 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 16:40:35,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 04:40:23" (1/3) ... [2021-12-21 16:40:35,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7af28784 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:40:35, skipping insertion in model container [2021-12-21 16:40:35,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:40:25" (2/3) ... [2021-12-21 16:40:35,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7af28784 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:40:35, skipping insertion in model container [2021-12-21 16:40:35,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:40:35" (3/3) ... [2021-12-21 16:40:35,932 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i [2021-12-21 16:40:35,937 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 16:40:35,938 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 16:40:36,004 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 16:40:36,012 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 16:40:36,012 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 16:40:36,095 INFO L276 IsEmpty]: Start isEmpty. Operand has 2728 states, 1892 states have (on average 1.3810782241014798) internal successors, (2613), 1965 states have internal predecessors, (2613), 717 states have call successors, (717), 118 states have call predecessors, (717), 117 states have return successors, (711), 695 states have call predecessors, (711), 711 states have call successors, (711) [2021-12-21 16:40:36,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-12-21 16:40:36,121 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:40:36,122 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:40:36,122 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:40:36,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:40:36,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1950117713, now seen corresponding path program 1 times [2021-12-21 16:40:36,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:40:36,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139728033] [2021-12-21 16:40:36,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:40:36,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:40:36,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:36,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:40:36,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:36,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:40:36,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:36,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:40:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:36,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:40:36,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:36,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:40:36,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:36,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:40:36,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:36,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:40:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:36,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:40:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:36,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:40:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:36,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:40:36,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:36,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:40:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:36,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:40:36,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:36,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 16:40:36,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:36,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:40:36,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:36,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:40:36,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:36,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:40:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:36,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:40:36,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:36,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:40:36,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:36,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-21 16:40:36,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:36,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:40:36,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:36,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-21 16:40:36,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:36,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:40:36,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:37,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-21 16:40:37,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:37,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:40:37,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:37,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-21 16:40:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:37,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:40:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:37,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-21 16:40:37,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:37,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:40:37,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:37,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-21 16:40:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:37,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:40:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:37,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-21 16:40:37,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:37,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:40:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:37,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-21 16:40:37,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:37,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:40:37,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:37,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-21 16:40:37,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:37,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:40:37,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:37,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-21 16:40:37,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:37,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:40:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:37,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-21 16:40:37,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:37,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:40:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:37,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-21 16:40:37,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:37,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:40:37,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:37,205 INFO L134 CoverageAnalysis]: Checked inductivity of 804 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 804 trivial. 0 not checked. [2021-12-21 16:40:37,206 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:40:37,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139728033] [2021-12-21 16:40:37,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139728033] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:40:37,207 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:40:37,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 16:40:37,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340638190] [2021-12-21 16:40:37,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:40:37,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 16:40:37,213 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:40:37,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 16:40:37,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 16:40:37,243 INFO L87 Difference]: Start difference. First operand has 2728 states, 1892 states have (on average 1.3810782241014798) internal successors, (2613), 1965 states have internal predecessors, (2613), 717 states have call successors, (717), 118 states have call predecessors, (717), 117 states have return successors, (711), 695 states have call predecessors, (711), 711 states have call successors, (711) Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-21 16:40:45,406 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:40:46,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:40:46,223 INFO L93 Difference]: Finished difference Result 5798 states and 8731 transitions. [2021-12-21 16:40:46,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 16:40:46,225 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 246 [2021-12-21 16:40:46,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:40:46,264 INFO L225 Difference]: With dead ends: 5798 [2021-12-21 16:40:46,264 INFO L226 Difference]: Without dead ends: 3051 [2021-12-21 16:40:46,291 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:40:46,294 INFO L933 BasicCegarLoop]: 3718 mSDtfsCounter, 1720 mSDsluCounter, 3394 mSDsCounter, 0 mSdLazyCounter, 2439 mSolverCounterSat, 1842 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1800 SdHoareTripleChecker+Valid, 7112 SdHoareTripleChecker+Invalid, 4282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1842 IncrementalHoareTripleChecker+Valid, 2439 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2021-12-21 16:40:46,295 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1800 Valid, 7112 Invalid, 4282 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1842 Valid, 2439 Invalid, 1 Unknown, 0 Unchecked, 8.6s Time] [2021-12-21 16:40:46,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3051 states. [2021-12-21 16:40:46,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3051 to 2704. [2021-12-21 16:40:46,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 1878 states have (on average 1.3753993610223643) internal successors, (2583), 1943 states have internal predecessors, (2583), 709 states have call successors, (709), 117 states have call predecessors, (709), 116 states have return successors, (706), 690 states have call predecessors, (706), 706 states have call successors, (706) [2021-12-21 16:40:46,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 3998 transitions. [2021-12-21 16:40:46,545 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 3998 transitions. Word has length 246 [2021-12-21 16:40:46,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:40:46,547 INFO L470 AbstractCegarLoop]: Abstraction has 2704 states and 3998 transitions. [2021-12-21 16:40:46,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-21 16:40:46,548 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3998 transitions. [2021-12-21 16:40:46,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-12-21 16:40:46,553 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:40:46,553 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:40:46,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 16:40:46,554 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:40:46,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:40:46,555 INFO L85 PathProgramCache]: Analyzing trace with hash -2122408517, now seen corresponding path program 1 times [2021-12-21 16:40:46,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:40:46,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767782121] [2021-12-21 16:40:46,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:40:46,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:40:46,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:46,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:40:46,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:46,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:40:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:46,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:40:46,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:46,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:40:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:46,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:40:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:46,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:40:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:46,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:40:46,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:46,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:40:46,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:46,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:40:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:46,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:40:46,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:46,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:40:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:46,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:40:46,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:46,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 16:40:46,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:47,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:40:47,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:47,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:40:47,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:47,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:40:47,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:47,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:40:47,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:47,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:40:47,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:47,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-21 16:40:47,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:47,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:40:47,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:47,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-21 16:40:47,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:47,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:40:47,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:47,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-21 16:40:47,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:47,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:40:47,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:47,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-21 16:40:47,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:47,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:40:47,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:47,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-21 16:40:47,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:47,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:40:47,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:47,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-21 16:40:47,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:47,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:40:47,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:47,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-21 16:40:47,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:47,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:40:47,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:47,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-21 16:40:47,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:47,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:40:47,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:47,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-21 16:40:47,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:47,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:40:47,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:47,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-21 16:40:47,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:47,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:40:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:47,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-21 16:40:47,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:47,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:40:47,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:47,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-21 16:40:47,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:47,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:40:47,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:40:47,249 INFO L134 CoverageAnalysis]: Checked inductivity of 804 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 804 trivial. 0 not checked. [2021-12-21 16:40:47,249 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:40:47,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767782121] [2021-12-21 16:40:47,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767782121] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:40:47,250 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:40:47,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:40:47,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941506892] [2021-12-21 16:40:47,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:40:47,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:40:47,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:40:47,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:40:47,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:40:47,254 INFO L87 Difference]: Start difference. First operand 2704 states and 3998 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2021-12-21 16:40:50,277 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:41:00,814 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:41:02,848 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:41:04,881 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:41:06,910 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:41:08,938 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:41:10,965 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:41:13,004 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:41:17,469 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []