./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--fotg210-hcd.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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-43_2a-drivers--usb--host--fotg210-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 6831c80473b3bd102fb10b7b3c65e4c88728eb3739081530d9e505e798afb064 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 04:38:43,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 04:38:43,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 04:38:43,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 04:38:43,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 04:38:43,703 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 04:38:43,704 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 04:38:43,706 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 04:38:43,707 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 04:38:43,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 04:38:43,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 04:38:43,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 04:38:43,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 04:38:43,711 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 04:38:43,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 04:38:43,713 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 04:38:43,714 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 04:38:43,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 04:38:43,716 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 04:38:43,718 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 04:38:43,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 04:38:43,725 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 04:38:43,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 04:38:43,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 04:38:43,740 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 04:38:43,746 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 04:38:43,746 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 04:38:43,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 04:38:43,749 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 04:38:43,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 04:38:43,750 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 04:38:43,751 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 04:38:43,752 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 04:38:43,753 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 04:38:43,754 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 04:38:43,754 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 04:38:43,755 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 04:38:43,756 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 04:38:43,756 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 04:38:43,757 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 04:38:43,759 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 04:38:43,760 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 04:38:43,783 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 04:38:43,784 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 04:38:43,785 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 04:38:43,785 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 04:38:43,786 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 04:38:43,786 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 04:38:43,787 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 04:38:43,787 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 04:38:43,787 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 04:38:43,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 04:38:43,788 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 04:38:43,788 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 04:38:43,788 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 04:38:43,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 04:38:43,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 04:38:43,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 04:38:43,789 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 04:38:43,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 04:38:43,790 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 04:38:43,790 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 04:38:43,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 04:38:43,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:38:43,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 04:38:43,791 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 04:38:43,791 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 04:38:43,791 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 04:38:43,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 04:38:43,791 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 04:38:43,792 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 04:38:43,792 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 04:38:43,792 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 04:38:43,792 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6831c80473b3bd102fb10b7b3c65e4c88728eb3739081530d9e505e798afb064 [2021-12-16 04:38:44,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 04:38:44,083 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 04:38:44,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 04:38:44,087 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 04:38:44,087 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 04:38:44,088 INFO L432 ainManager$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-43_2a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i [2021-12-16 04:38:44,158 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccb067cd6/a528899388ce47b6b2b68d7fe488d54d/FLAGbdd588ab1 [2021-12-16 04:38:44,930 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 04:38:44,931 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i [2021-12-16 04:38:44,996 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccb067cd6/a528899388ce47b6b2b68d7fe488d54d/FLAGbdd588ab1 [2021-12-16 04:38:45,453 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccb067cd6/a528899388ce47b6b2b68d7fe488d54d [2021-12-16 04:38:45,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 04:38:45,457 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 04:38:45,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 04:38:45,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 04:38:45,465 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 04:38:45,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:38:45" (1/1) ... [2021-12-16 04:38:45,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7812c125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:45, skipping insertion in model container [2021-12-16 04:38:45,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:38:45" (1/1) ... [2021-12-16 04:38:45,475 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 04:38:45,615 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 04:38:48,183 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-43_2a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i[367830,367843] [2021-12-16 04:38:48,243 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-16 04:38:48,252 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:38:48,277 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 04:38:48,840 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-43_2a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i[367830,367843] [2021-12-16 04:38:48,843 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-16 04:38:48,848 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:38:48,928 INFO L208 MainTranslator]: Completed translation [2021-12-16 04:38:48,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:48 WrapperNode [2021-12-16 04:38:48,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 04:38:48,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 04:38:48,930 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 04:38:48,931 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 04:38:48,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:48" (1/1) ... [2021-12-16 04:38:49,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:48" (1/1) ... [2021-12-16 04:38:49,409 INFO L137 Inliner]: procedures = 335, calls = 4672, calls flagged for inlining = 153, calls inlined = 151, statements flattened = 11540 [2021-12-16 04:38:49,413 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 04:38:49,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 04:38:49,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 04:38:49,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 04:38:49,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:48" (1/1) ... [2021-12-16 04:38:49,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:48" (1/1) ... [2021-12-16 04:38:49,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:48" (1/1) ... [2021-12-16 04:38:49,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:48" (1/1) ... [2021-12-16 04:38:49,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:48" (1/1) ... [2021-12-16 04:38:49,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:48" (1/1) ... [2021-12-16 04:38:49,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:48" (1/1) ... [2021-12-16 04:38:49,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 04:38:49,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 04:38:49,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 04:38:49,858 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 04:38:49,859 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:48" (1/1) ... [2021-12-16 04:38:49,865 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:38:49,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 04:38:49,885 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) [2021-12-16 04:38:49,897 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 [2021-12-16 04:38:49,920 INFO L130 BoogieDeclarations]: Found specification of procedure single_unlink_async [2021-12-16 04:38:49,921 INFO L138 BoogieDeclarations]: Found implementation of procedure single_unlink_async [2021-12-16 04:38:49,921 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_poll_PSS [2021-12-16 04:38:49,921 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_poll_PSS [2021-12-16 04:38:49,921 INFO L130 BoogieDeclarations]: Found specification of procedure end_unlink_async [2021-12-16 04:38:49,921 INFO L138 BoogieDeclarations]: Found implementation of procedure end_unlink_async [2021-12-16 04:38:49,921 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_status_buf [2021-12-16 04:38:49,922 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_status_buf [2021-12-16 04:38:49,922 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2021-12-16 04:38:49,922 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2021-12-16 04:38:49,922 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qh_alloc [2021-12-16 04:38:49,922 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qh_alloc [2021-12-16 04:38:49,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 04:38:49,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 04:38:49,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-16 04:38:49,923 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-16 04:38:49,923 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_dequeue [2021-12-16 04:38:49,923 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_dequeue [2021-12-16 04:38:49,923 INFO L130 BoogieDeclarations]: Found specification of procedure turn_on_io_watchdog [2021-12-16 04:38:49,923 INFO L138 BoogieDeclarations]: Found implementation of procedure turn_on_io_watchdog [2021-12-16 04:38:49,924 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_to_hcd [2021-12-16 04:38:49,924 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_to_hcd [2021-12-16 04:38:49,924 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-16 04:38:49,924 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-16 04:38:49,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-16 04:38:49,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-16 04:38:49,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 04:38:49,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 04:38:49,925 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpup [2021-12-16 04:38:49,925 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpup [2021-12-16 04:38:49,925 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2021-12-16 04:38:49,925 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2021-12-16 04:38:49,925 INFO L130 BoogieDeclarations]: Found specification of procedure qh_destroy [2021-12-16 04:38:49,925 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_destroy [2021-12-16 04:38:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure end_free_itds [2021-12-16 04:38:49,926 INFO L138 BoogieDeclarations]: Found implementation of procedure end_free_itds [2021-12-16 04:38:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-16 04:38:49,926 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-16 04:38:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-16 04:38:49,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-16 04:38:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hcd_remove [2021-12-16 04:38:49,927 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hcd_remove [2021-12-16 04:38:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_next_shadow [2021-12-16 04:38:49,927 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_next_shadow [2021-12-16 04:38:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_poll_ASS [2021-12-16 04:38:49,927 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_poll_ASS [2021-12-16 04:38:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_buffer [2021-12-16 04:38:49,927 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_buffer [2021-12-16 04:38:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_run [2021-12-16 04:38:49,928 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_run [2021-12-16 04:38:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-16 04:38:49,928 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-16 04:38:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-16 04:38:49,928 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-16 04:38:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_intr [2021-12-16 04:38:49,929 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_intr [2021-12-16 04:38:49,929 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-16 04:38:49,929 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-16 04:38:49,929 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hub_status_data [2021-12-16 04:38:49,929 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hub_status_data [2021-12-16 04:38:49,929 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_set_command_bit [2021-12-16 04:38:49,929 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_set_command_bit [2021-12-16 04:38:49,930 INFO L130 BoogieDeclarations]: Found specification of procedure debug_output [2021-12-16 04:38:49,930 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_output [2021-12-16 04:38:49,930 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2021-12-16 04:38:49,930 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2021-12-16 04:38:49,930 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_init [2021-12-16 04:38:49,930 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_init [2021-12-16 04:38:49,930 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2021-12-16 04:38:49,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2021-12-16 04:38:49,931 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_relinquish_port [2021-12-16 04:38:49,931 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_relinquish_port [2021-12-16 04:38:49,931 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_fotg210 [2021-12-16 04:38:49,931 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_fotg210 [2021-12-16 04:38:49,931 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_irq [2021-12-16 04:38:49,931 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_irq [2021-12-16 04:38:49,932 INFO L130 BoogieDeclarations]: Found specification of procedure start_free_itds [2021-12-16 04:38:49,932 INFO L138 BoogieDeclarations]: Found implementation of procedure start_free_itds [2021-12-16 04:38:49,932 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_stop [2021-12-16 04:38:49,932 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_stop [2021-12-16 04:38:49,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 04:38:49,932 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-16 04:38:49,932 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-16 04:38:49,932 INFO L130 BoogieDeclarations]: Found specification of procedure bus_to_hcd [2021-12-16 04:38:49,933 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_to_hcd [2021-12-16 04:38:49,933 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_command_bit [2021-12-16 04:38:49,933 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_command_bit [2021-12-16 04:38:49,933 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_list_free [2021-12-16 04:38:49,933 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_list_free [2021-12-16 04:38:49,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 04:38:49,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-16 04:38:49,934 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2021-12-16 04:38:49,934 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2021-12-16 04:38:49,934 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2021-12-16 04:38:49,934 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2021-12-16 04:38:49,934 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-16 04:38:49,934 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-16 04:38:49,934 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_fill [2021-12-16 04:38:49,935 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_fill [2021-12-16 04:38:49,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-16 04:38:49,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-16 04:38:49,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-16 04:38:49,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-16 04:38:49,935 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-16 04:38:49,935 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-16 04:38:49,935 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_readl [2021-12-16 04:38:49,936 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_readl [2021-12-16 04:38:49,936 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2021-12-16 04:38:49,936 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2021-12-16 04:38:49,936 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_tt_buffer [2021-12-16 04:38:49,936 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_tt_buffer [2021-12-16 04:38:49,936 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2021-12-16 04:38:49,936 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2021-12-16 04:38:49,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 04:38:49,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 04:38:49,937 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_writel [2021-12-16 04:38:49,937 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_writel [2021-12-16 04:38:49,937 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_command_buf [2021-12-16 04:38:49,937 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_command_buf [2021-12-16 04:38:49,937 INFO L130 BoogieDeclarations]: Found specification of procedure start_iaa_cycle [2021-12-16 04:38:49,938 INFO L138 BoogieDeclarations]: Found implementation of procedure start_iaa_cycle [2021-12-16 04:38:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_halt [2021-12-16 04:38:49,938 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_halt [2021-12-16 04:38:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-12-16 04:38:49,938 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-12-16 04:38:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hcd_probe [2021-12-16 04:38:49,938 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hcd_probe [2021-12-16 04:38:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_usecs [2021-12-16 04:38:49,939 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_usecs [2021-12-16 04:38:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-16 04:38:49,939 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-16 04:38:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_endpoint_disable [2021-12-16 04:38:49,939 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_endpoint_disable [2021-12-16 04:38:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-12-16 04:38:49,940 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-12-16 04:38:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-16 04:38:49,940 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-16 04:38:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure qh_completions [2021-12-16 04:38:49,940 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_completions [2021-12-16 04:38:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_mem_cleanup [2021-12-16 04:38:49,940 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_mem_cleanup [2021-12-16 04:38:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_handle_controller_death [2021-12-16 04:38:49,941 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_handle_controller_death [2021-12-16 04:38:49,941 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-16 04:38:49,941 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-16 04:38:49,941 INFO L130 BoogieDeclarations]: Found specification of procedure disable_periodic [2021-12-16 04:38:49,941 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_periodic [2021-12-16 04:38:49,941 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2021-12-16 04:38:49,941 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2021-12-16 04:38:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure enable_periodic [2021-12-16 04:38:49,942 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_periodic [2021-12-16 04:38:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_port_speed [2021-12-16 04:38:49,942 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_port_speed [2021-12-16 04:38:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure qh_lines [2021-12-16 04:38:49,942 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_lines [2021-12-16 04:38:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-16 04:38:49,942 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-16 04:38:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_shutdown [2021-12-16 04:38:49,943 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_shutdown [2021-12-16 04:38:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-16 04:38:49,943 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-16 04:38:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_handle_intr_unlinks [2021-12-16 04:38:49,943 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_handle_intr_unlinks [2021-12-16 04:38:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_enable_event [2021-12-16 04:38:49,943 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_enable_event [2021-12-16 04:38:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_free [2021-12-16 04:38:49,944 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_free [2021-12-16 04:38:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_read_frame_index [2021-12-16 04:38:49,944 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_read_frame_index [2021-12-16 04:38:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2021-12-16 04:38:49,944 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2021-12-16 04:38:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 04:38:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_quiesce [2021-12-16 04:38:49,945 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_quiesce [2021-12-16 04:38:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure qh_schedule [2021-12-16 04:38:49,945 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_schedule [2021-12-16 04:38:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_get_frame [2021-12-16 04:38:49,945 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_get_frame [2021-12-16 04:38:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure check_intr_schedule [2021-12-16 04:38:49,945 INFO L138 BoogieDeclarations]: Found implementation of procedure check_intr_schedule [2021-12-16 04:38:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-12-16 04:38:49,946 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-12-16 04:38:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-16 04:38:49,946 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-16 04:38:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-16 04:38:49,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-16 04:38:49,946 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_silence_controller [2021-12-16 04:38:49,946 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_silence_controller [2021-12-16 04:38:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2021-12-16 04:38:49,947 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2021-12-16 04:38:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-16 04:38:49,947 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-16 04:38:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_tt_buffer_complete [2021-12-16 04:38:49,947 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_tt_buffer_complete [2021-12-16 04:38:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-12-16 04:38:49,948 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-12-16 04:38:49,948 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-16 04:38:49,948 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-16 04:38:49,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 04:38:49,948 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_endpoint_reset [2021-12-16 04:38:49,948 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_endpoint_reset [2021-12-16 04:38:49,948 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_link_urb_to_ep [2021-12-16 04:38:49,949 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_link_urb_to_ep [2021-12-16 04:38:49,949 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-16 04:38:49,949 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-16 04:38:49,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 04:38:49,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 04:38:49,949 INFO L130 BoogieDeclarations]: Found specification of procedure iso_sched_free [2021-12-16 04:38:49,949 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_sched_free [2021-12-16 04:38:49,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-16 04:38:49,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-16 04:38:49,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 04:38:49,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-16 04:38:49,950 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_reset [2021-12-16 04:38:49,950 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_reset [2021-12-16 04:38:49,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-16 04:38:49,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-16 04:38:49,950 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-16 04:38:49,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-16 04:38:49,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 04:38:49,951 INFO L130 BoogieDeclarations]: Found specification of procedure usb_calc_bus_time [2021-12-16 04:38:49,951 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_calc_bus_time [2021-12-16 04:38:49,951 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_cancel [2021-12-16 04:38:49,951 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_cancel [2021-12-16 04:38:49,951 INFO L130 BoogieDeclarations]: Found specification of procedure qh_link_async [2021-12-16 04:38:49,951 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_link_async [2021-12-16 04:38:49,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 04:38:49,952 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_alloc [2021-12-16 04:38:49,952 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_alloc [2021-12-16 04:38:49,952 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_work [2021-12-16 04:38:49,952 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_work [2021-12-16 04:38:49,952 INFO L130 BoogieDeclarations]: Found specification of procedure qh_urb_transaction [2021-12-16 04:38:49,952 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_urb_transaction [2021-12-16 04:38:49,953 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-16 04:38:49,953 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-16 04:38:49,953 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-16 04:38:49,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-16 04:38:49,953 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hub_control [2021-12-16 04:38:49,953 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hub_control [2021-12-16 04:38:49,953 INFO L130 BoogieDeclarations]: Found specification of procedure check_period [2021-12-16 04:38:49,953 INFO L138 BoogieDeclarations]: Found implementation of procedure check_period [2021-12-16 04:38:49,954 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2021-12-16 04:38:49,954 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2021-12-16 04:38:49,954 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2021-12-16 04:38:49,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2021-12-16 04:38:49,954 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-16 04:38:49,954 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-16 04:38:49,954 INFO L130 BoogieDeclarations]: Found specification of procedure shadow_next_periodic [2021-12-16 04:38:49,954 INFO L138 BoogieDeclarations]: Found implementation of procedure shadow_next_periodic [2021-12-16 04:38:49,955 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-16 04:38:49,955 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-16 04:38:49,955 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpu [2021-12-16 04:38:49,955 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpu [2021-12-16 04:38:49,955 INFO L130 BoogieDeclarations]: Found specification of procedure handshake [2021-12-16 04:38:49,955 INFO L138 BoogieDeclarations]: Found implementation of procedure handshake [2021-12-16 04:38:49,955 INFO L130 BoogieDeclarations]: Found specification of procedure debug_close [2021-12-16 04:38:49,956 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_close [2021-12-16 04:38:49,956 INFO L130 BoogieDeclarations]: Found specification of procedure qh_refresh [2021-12-16 04:38:49,956 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_refresh [2021-12-16 04:38:49,956 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-16 04:38:49,956 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-16 04:38:49,956 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_enqueue [2021-12-16 04:38:49,956 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_enqueue [2021-12-16 04:38:49,957 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_async [2021-12-16 04:38:49,957 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_async [2021-12-16 04:38:49,957 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-16 04:38:49,957 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-16 04:38:49,957 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc32 [2021-12-16 04:38:49,957 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc32 [2021-12-16 04:38:49,957 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-16 04:38:49,957 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-16 04:38:49,958 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-16 04:38:49,958 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-16 04:38:49,958 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-16 04:38:49,958 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-16 04:38:49,958 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-16 04:38:49,958 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-16 04:38:49,958 INFO L130 BoogieDeclarations]: Found specification of procedure qh_append_tds [2021-12-16 04:38:49,959 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_append_tds [2021-12-16 04:38:49,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 04:38:49,959 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_fotg210_init [2021-12-16 04:38:49,959 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_fotg210_init [2021-12-16 04:38:49,959 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_port_handed_over [2021-12-16 04:38:49,959 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_port_handed_over [2021-12-16 04:38:49,959 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_done [2021-12-16 04:38:49,959 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_done [2021-12-16 04:38:49,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 04:38:49,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 04:38:49,960 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2021-12-16 04:38:49,960 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2021-12-16 04:38:49,960 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-16 04:38:49,960 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-16 04:38:51,161 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 04:38:51,168 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 04:38:51,765 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 04:39:01,796 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_platform_driver_unregister_29_returnLabel#1: assume { :end_inline_ldv_platform_driver_unregister_29 } true; [2021-12-16 04:39:01,987 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 04:39:02,019 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 04:39:02,019 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-16 04:39:02,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:39:02 BoogieIcfgContainer [2021-12-16 04:39:02,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 04:39:02,027 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 04:39:02,027 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 04:39:02,030 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 04:39:02,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:38:45" (1/3) ... [2021-12-16 04:39:02,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dc7fd1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:39:02, skipping insertion in model container [2021-12-16 04:39:02,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:38:48" (2/3) ... [2021-12-16 04:39:02,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dc7fd1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:39:02, skipping insertion in model container [2021-12-16 04:39:02,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:39:02" (3/3) ... [2021-12-16 04:39:02,033 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i [2021-12-16 04:39:02,037 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 04:39:02,038 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 04:39:02,100 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 04:39:02,106 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 [2021-12-16 04:39:02,106 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 04:39:02,176 INFO L276 IsEmpty]: Start isEmpty. Operand has 3524 states, 2423 states have (on average 1.3656624019810153) internal successors, (3309), 2509 states have internal predecessors, (3309), 961 states have call successors, (961), 139 states have call predecessors, (961), 138 states have return successors, (953), 934 states have call predecessors, (953), 953 states have call successors, (953) [2021-12-16 04:39:02,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2021-12-16 04:39:02,193 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:39:02,194 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:39:02,195 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:39:02,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:39:02,199 INFO L85 PathProgramCache]: Analyzing trace with hash 462456051, now seen corresponding path program 1 times [2021-12-16 04:39:02,206 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:39:02,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043248267] [2021-12-16 04:39:02,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:39:02,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:39:02,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:39:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:03,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:03,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:39:03,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:39:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:03,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:39:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:03,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:03,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 04:39:03,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:03,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:39:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:03,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-16 04:39:03,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:03,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-16 04:39:03,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:03,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:03,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-16 04:39:03,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:03,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:03,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:39:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:03,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:03,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-16 04:39:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:03,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-16 04:39:03,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-16 04:39:03,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:03,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-16 04:39:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-16 04:39:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-16 04:39:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-16 04:39:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:03,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-16 04:39:03,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:03,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-16 04:39:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:03,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-16 04:39:03,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-16 04:39:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-16 04:39:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:03,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-16 04:39:03,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:03,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-16 04:39:03,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:03,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-16 04:39:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-16 04:39:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:03,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-16 04:39:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-16 04:39:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:03,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:03,907 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2007 trivial. 0 not checked. [2021-12-16 04:39:03,907 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:39:03,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043248267] [2021-12-16 04:39:03,910 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043248267] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:39:03,910 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:39:03,910 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 04:39:03,912 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398547043] [2021-12-16 04:39:03,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:39:03,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 04:39:03,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:39:03,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 04:39:03,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:39:03,961 INFO L87 Difference]: Start difference. First operand has 3524 states, 2423 states have (on average 1.3656624019810153) internal successors, (3309), 2509 states have internal predecessors, (3309), 961 states have call successors, (961), 139 states have call predecessors, (961), 138 states have return successors, (953), 934 states have call predecessors, (953), 953 states have call successors, (953) Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-16 04:39:14,825 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 [] [2021-12-16 04:39:17,406 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 [] [2021-12-16 04:39:20,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:39:20,090 INFO L93 Difference]: Finished difference Result 7407 states and 11156 transitions. [2021-12-16 04:39:20,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-16 04:39:20,098 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 375 [2021-12-16 04:39:20,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:39:20,141 INFO L225 Difference]: With dead ends: 7407 [2021-12-16 04:39:20,142 INFO L226 Difference]: Without dead ends: 3853 [2021-12-16 04:39:20,165 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:39:20,168 INFO L933 BasicCegarLoop]: 4852 mSDtfsCounter, 1599 mSDsluCounter, 4418 mSDsCounter, 0 mSdLazyCounter, 3451 mSolverCounterSat, 2309 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1700 SdHoareTripleChecker+Valid, 9270 SdHoareTripleChecker+Invalid, 5762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2309 IncrementalHoareTripleChecker+Valid, 3451 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2021-12-16 04:39:20,169 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1700 Valid, 9270 Invalid, 5762 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2309 Valid, 3451 Invalid, 2 Unknown, 0 Unchecked, 15.5s Time] [2021-12-16 04:39:20,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3853 states. [2021-12-16 04:39:20,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3853 to 3490. [2021-12-16 04:39:20,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3490 states, 2405 states have (on average 1.3613305613305613) internal successors, (3274), 2481 states have internal predecessors, (3274), 948 states have call successors, (948), 137 states have call predecessors, (948), 136 states have return successors, (946), 927 states have call predecessors, (946), 946 states have call successors, (946) [2021-12-16 04:39:20,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3490 states to 3490 states and 5168 transitions. [2021-12-16 04:39:20,470 INFO L78 Accepts]: Start accepts. Automaton has 3490 states and 5168 transitions. Word has length 375 [2021-12-16 04:39:20,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:39:20,472 INFO L470 AbstractCegarLoop]: Abstraction has 3490 states and 5168 transitions. [2021-12-16 04:39:20,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-16 04:39:20,473 INFO L276 IsEmpty]: Start isEmpty. Operand 3490 states and 5168 transitions. [2021-12-16 04:39:20,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2021-12-16 04:39:20,485 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:39:20,486 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:39:20,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 04:39:20,486 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:39:20,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:39:20,487 INFO L85 PathProgramCache]: Analyzing trace with hash 703687775, now seen corresponding path program 1 times [2021-12-16 04:39:20,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:39:20,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777011919] [2021-12-16 04:39:20,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:39:20,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:39:20,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:39:20,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:39:20,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:20,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:39:20,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:20,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:20,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:39:21,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:21,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:21,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 04:39:21,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:21,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:39:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:21,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:21,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-16 04:39:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:21,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:21,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-16 04:39:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-16 04:39:21,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:21,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:21,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:39:21,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:39:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-16 04:39:21,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-16 04:39:21,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:21,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-16 04:39:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:21,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-16 04:39:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:21,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-16 04:39:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:21,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-16 04:39:21,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:21,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-16 04:39:21,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:21,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-16 04:39:21,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:21,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-16 04:39:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:21,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-16 04:39:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:21,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-16 04:39:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:21,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-16 04:39:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:21,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-16 04:39:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-16 04:39:21,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:21,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-16 04:39:21,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-16 04:39:21,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:21,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-16 04:39:21,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:21,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-16 04:39:21,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:39:21,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:39:21,585 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2007 trivial. 0 not checked. [2021-12-16 04:39:21,585 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:39:21,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777011919] [2021-12-16 04:39:21,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777011919] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:39:21,588 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:39:21,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:39:21,590 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960703956] [2021-12-16 04:39:21,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:39:21,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:39:21,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:39:21,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:39:21,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:39:21,594 INFO L87 Difference]: Start difference. First operand 3490 states and 5168 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2021-12-16 04:39:32,883 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 [] [2021-12-16 04:39:36,676 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 []