./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--fusbh200-hcd.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 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--fusbh200-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 75d771e19772a57b21074e06711081dc081595b4f25061866f48f5c3a4ce05c4 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:18:54,783 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:18:54,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:18:54,830 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:18:54,831 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:18:54,833 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:18:54,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:18:54,839 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:18:54,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:18:54,844 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:18:54,844 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:18:54,848 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:18:54,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:18:54,850 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:18:54,851 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:18:54,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:18:54,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:18:54,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:18:54,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:18:54,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:18:54,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:18:54,862 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:18:54,864 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:18:54,864 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:18:54,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:18:54,869 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:18:54,869 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:18:54,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:18:54,871 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:18:54,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:18:54,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:18:54,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:18:54,874 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:18:54,874 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:18:54,875 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:18:54,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:18:54,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:18:54,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:18:54,876 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:18:54,877 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:18:54,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:18:54,879 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:18:54,908 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:18:54,908 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:18:54,908 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:18:54,909 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:18:54,909 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:18:54,909 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:18:54,910 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:18:54,910 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:18:54,910 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:18:54,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:18:54,911 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:18:54,911 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:18:54,911 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:18:54,912 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:18:54,912 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:18:54,912 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:18:54,912 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:18:54,912 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:18:54,912 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:18:54,913 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:18:54,913 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:18:54,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:18:54,913 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:18:54,913 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:18:54,913 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:18:54,914 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:18:54,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:18:54,914 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:18:54,914 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:18:54,914 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:18:54,914 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:18:54,915 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75d771e19772a57b21074e06711081dc081595b4f25061866f48f5c3a4ce05c4 [2021-12-22 15:18:55,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:18:55,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:18:55,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:18:55,129 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:18:55,130 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:18:55,131 INFO L432 ainManager$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--fusbh200-hcd.ko-entry_point.cil.out.i [2021-12-22 15:18:55,195 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5c01643a/df921a6199894fcc97ec9f637276a664/FLAGe758f92a2 [2021-12-22 15:18:55,852 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:18:55,852 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--fusbh200-hcd.ko-entry_point.cil.out.i [2021-12-22 15:18:55,895 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5c01643a/df921a6199894fcc97ec9f637276a664/FLAGe758f92a2 [2021-12-22 15:18:56,211 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5c01643a/df921a6199894fcc97ec9f637276a664 [2021-12-22 15:18:56,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:18:56,214 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:18:56,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:18:56,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:18:56,220 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:18:56,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:18:56" (1/1) ... [2021-12-22 15:18:56,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d5eaebf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:56, skipping insertion in model container [2021-12-22 15:18:56,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:18:56" (1/1) ... [2021-12-22 15:18:56,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:18:56,328 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:18:58,497 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--fusbh200-hcd.ko-entry_point.cil.out.i[372305,372318] [2021-12-22 15:18:58,546 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-22 15:18:58,553 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:18:58,571 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:18:58,957 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--fusbh200-hcd.ko-entry_point.cil.out.i[372305,372318] [2021-12-22 15:18:58,960 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-22 15:18:58,964 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:18:59,023 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:18:59,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:59 WrapperNode [2021-12-22 15:18:59,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:18:59,025 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:18:59,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:18:59,026 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:18:59,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:59" (1/1) ... [2021-12-22 15:18:59,135 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:59" (1/1) ... [2021-12-22 15:18:59,437 INFO L137 Inliner]: procedures = 333, calls = 4687, calls flagged for inlining = 151, calls inlined = 148, statements flattened = 11581 [2021-12-22 15:18:59,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:18:59,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:18:59,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:18:59,438 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:18:59,444 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:59" (1/1) ... [2021-12-22 15:18:59,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:59" (1/1) ... [2021-12-22 15:18:59,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:59" (1/1) ... [2021-12-22 15:18:59,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:59" (1/1) ... [2021-12-22 15:18:59,680 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:59" (1/1) ... [2021-12-22 15:18:59,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:59" (1/1) ... [2021-12-22 15:18:59,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:59" (1/1) ... [2021-12-22 15:18:59,788 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:18:59,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:18:59,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:18:59,790 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:18:59,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:59" (1/1) ... [2021-12-22 15:18:59,796 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:18:59,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:18:59,815 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) [2021-12-22 15:18:59,866 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 [2021-12-22 15:18:59,884 INFO L130 BoogieDeclarations]: Found specification of procedure single_unlink_async [2021-12-22 15:18:59,885 INFO L138 BoogieDeclarations]: Found implementation of procedure single_unlink_async [2021-12-22 15:18:59,885 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_writel [2021-12-22 15:18:59,885 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_writel [2021-12-22 15:18:59,885 INFO L130 BoogieDeclarations]: Found specification of procedure end_unlink_async [2021-12-22 15:18:59,885 INFO L138 BoogieDeclarations]: Found implementation of procedure end_unlink_async [2021-12-22 15:18:59,885 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_status_buf [2021-12-22 15:18:59,885 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_status_buf [2021-12-22 15:18:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2021-12-22 15:18:59,886 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2021-12-22 15:18:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_endpoint_disable [2021-12-22 15:18:59,886 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_endpoint_disable [2021-12-22 15:18:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_urb_enqueue [2021-12-22 15:18:59,886 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_urb_enqueue [2021-12-22 15:18:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:18:59,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:18:59,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:18:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:18:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure turn_on_io_watchdog [2021-12-22 15:18:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure turn_on_io_watchdog [2021-12-22 15:18:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_enable_event [2021-12-22 15:18:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_enable_event [2021-12-22 15:18:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-22 15:18:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-22 15:18:59,887 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_endpoint_reset [2021-12-22 15:18:59,887 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_endpoint_reset [2021-12-22 15:18:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-22 15:18:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-22 15:18:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:18:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:18:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpup [2021-12-22 15:18:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpup [2021-12-22 15:18:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2021-12-22 15:18:59,888 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2021-12-22 15:18:59,888 INFO L130 BoogieDeclarations]: Found specification of procedure qh_destroy [2021-12-22 15:18:59,889 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_destroy [2021-12-22 15:18:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure end_free_itds [2021-12-22 15:18:59,889 INFO L138 BoogieDeclarations]: Found implementation of procedure end_free_itds [2021-12-22 15:18:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_quiesce [2021-12-22 15:18:59,889 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_quiesce [2021-12-22 15:18:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_clear_command_bit [2021-12-22 15:18:59,889 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_clear_command_bit [2021-12-22 15:18:59,889 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-22 15:18:59,889 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-22 15:18:59,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 15:18:59,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 15:18:59,890 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_next_shadow [2021-12-22 15:18:59,890 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_next_shadow [2021-12-22 15:18:59,890 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_hcd_probe [2021-12-22 15:18:59,890 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_hcd_probe [2021-12-22 15:18:59,890 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_buffer [2021-12-22 15:18:59,890 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_buffer [2021-12-22 15:18:59,890 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_silence_controller [2021-12-22 15:18:59,891 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_silence_controller [2021-12-22 15:18:59,891 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-22 15:18:59,891 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-22 15:18:59,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:18:59,891 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:18:59,891 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_relinquish_port [2021-12-22 15:18:59,891 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_relinquish_port [2021-12-22 15:18:59,891 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_intr [2021-12-22 15:18:59,892 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_intr [2021-12-22 15:18:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 15:18:59,892 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 15:18:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure debug_output [2021-12-22 15:18:59,892 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_output [2021-12-22 15:18:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2021-12-22 15:18:59,892 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2021-12-22 15:18:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_qtd_alloc [2021-12-22 15:18:59,892 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_qtd_alloc [2021-12-22 15:18:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2021-12-22 15:18:59,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2021-12-22 15:18:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure start_free_itds [2021-12-22 15:18:59,893 INFO L138 BoogieDeclarations]: Found implementation of procedure start_free_itds [2021-12-22 15:18:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:18:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 15:18:59,893 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 15:18:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure bus_to_hcd [2021-12-22 15:18:59,893 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_to_hcd [2021-12-22 15:18:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_port_handed_over [2021-12-22 15:18:59,894 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_port_handed_over [2021-12-22 15:18:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_list_free [2021-12-22 15:18:59,894 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_list_free [2021-12-22 15:18:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:18:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 15:18:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2021-12-22 15:18:59,894 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2021-12-22 15:18:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2021-12-22 15:18:59,895 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2021-12-22 15:18:59,895 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_fill [2021-12-22 15:18:59,895 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_fill [2021-12-22 15:18:59,895 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_set_command_bit [2021-12-22 15:18:59,895 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_set_command_bit [2021-12-22 15:18:59,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-22 15:18:59,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-22 15:18:59,895 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-22 15:18:59,895 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-22 15:18:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_stop [2021-12-22 15:18:59,896 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_stop [2021-12-22 15:18:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2021-12-22 15:18:59,896 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2021-12-22 15:18:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2021-12-22 15:18:59,896 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2021-12-22 15:18:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_handle_intr_unlinks [2021-12-22 15:18:59,896 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_handle_intr_unlinks [2021-12-22 15:18:59,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:18:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-22 15:18:59,897 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-22 15:18:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:18:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_command_buf [2021-12-22 15:18:59,897 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_command_buf [2021-12-22 15:18:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure start_iaa_cycle [2021-12-22 15:18:59,897 INFO L138 BoogieDeclarations]: Found implementation of procedure start_iaa_cycle [2021-12-22 15:18:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-12-22 15:18:59,897 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-12-22 15:18:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_usecs [2021-12-22 15:18:59,898 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_usecs [2021-12-22 15:18:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_fusbh200 [2021-12-22 15:18:59,898 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_fusbh200 [2021-12-22 15:18:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-22 15:18:59,898 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-22 15:18:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-12-22 15:18:59,898 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-12-22 15:18:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-22 15:18:59,899 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-22 15:18:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_to_hcd [2021-12-22 15:18:59,899 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_to_hcd [2021-12-22 15:18:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure qh_completions [2021-12-22 15:18:59,899 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_completions [2021-12-22 15:18:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-22 15:18:59,899 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-22 15:18:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure disable_periodic [2021-12-22 15:18:59,900 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_periodic [2021-12-22 15:18:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2021-12-22 15:18:59,900 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2021-12-22 15:18:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure enable_periodic [2021-12-22 15:18:59,900 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_periodic [2021-12-22 15:18:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_urb_dequeue [2021-12-22 15:18:59,900 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_urb_dequeue [2021-12-22 15:18:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure qh_lines [2021-12-22 15:18:59,901 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_lines [2021-12-22 15:18:59,901 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_readl [2021-12-22 15:18:59,901 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_readl [2021-12-22 15:18:59,901 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_halt [2021-12-22 15:18:59,901 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_halt [2021-12-22 15:18:59,901 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-22 15:18:59,901 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-22 15:18:59,901 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_clear_tt_buffer_complete [2021-12-22 15:18:59,901 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_clear_tt_buffer_complete [2021-12-22 15:18:59,901 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-22 15:18:59,902 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-22 15:18:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_urb_done [2021-12-22 15:18:59,902 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_urb_done [2021-12-22 15:18:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_poll_ASS [2021-12-22 15:18:59,902 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_poll_ASS [2021-12-22 15:18:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_handle_controller_death [2021-12-22 15:18:59,902 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_handle_controller_death [2021-12-22 15:18:59,902 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_mem_cleanup [2021-12-22 15:18:59,902 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_mem_cleanup [2021-12-22 15:18:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2021-12-22 15:18:59,903 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2021-12-22 15:18:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:18:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure qh_schedule [2021-12-22 15:18:59,903 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_schedule [2021-12-22 15:18:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure check_intr_schedule [2021-12-22 15:18:59,903 INFO L138 BoogieDeclarations]: Found implementation of procedure check_intr_schedule [2021-12-22 15:18:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-12-22 15:18:59,903 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-12-22 15:18:59,904 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_qtd_init [2021-12-22 15:18:59,904 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_qtd_init [2021-12-22 15:18:59,904 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 15:18:59,904 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 15:18:59,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-22 15:18:59,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-22 15:18:59,904 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_reset [2021-12-22 15:18:59,904 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_reset [2021-12-22 15:18:59,904 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2021-12-22 15:18:59,904 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2021-12-22 15:18:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-22 15:18:59,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-22 15:18:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_hub_status_data [2021-12-22 15:18:59,905 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_hub_status_data [2021-12-22 15:18:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 15:18:59,905 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 15:18:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-12-22 15:18:59,905 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-12-22 15:18:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-22 15:18:59,906 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-22 15:18:59,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:18:59,906 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_hcd_remove [2021-12-22 15:18:59,906 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_hcd_remove [2021-12-22 15:18:59,906 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_link_urb_to_ep [2021-12-22 15:18:59,906 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_link_urb_to_ep [2021-12-22 15:18:59,906 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-22 15:18:59,906 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-22 15:18:59,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:18:59,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:18:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure iso_sched_free [2021-12-22 15:18:59,907 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_sched_free [2021-12-22 15:18:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_get_frame [2021-12-22 15:18:59,907 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_get_frame [2021-12-22 15:18:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-22 15:18:59,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-22 15:18:59,907 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_poll_PSS [2021-12-22 15:18:59,908 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_poll_PSS [2021-12-22 15:18:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:18:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-22 15:18:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-22 15:18:59,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-22 15:18:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-22 15:18:59,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-22 15:18:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:18:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure usb_calc_bus_time [2021-12-22 15:18:59,908 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_calc_bus_time [2021-12-22 15:18:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_cancel [2021-12-22 15:18:59,909 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_cancel [2021-12-22 15:18:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure qh_link_async [2021-12-22 15:18:59,909 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_link_async [2021-12-22 15:18:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:18:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_qtd_free [2021-12-22 15:18:59,909 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_qtd_free [2021-12-22 15:18:59,909 INFO L130 BoogieDeclarations]: Found specification of procedure qh_urb_transaction [2021-12-22 15:18:59,909 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_urb_transaction [2021-12-22 15:18:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_qh_alloc [2021-12-22 15:18:59,910 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_qh_alloc [2021-12-22 15:18:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-22 15:18:59,910 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-22 15:18:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:18:59,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:18:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure check_period [2021-12-22 15:18:59,910 INFO L138 BoogieDeclarations]: Found implementation of procedure check_period [2021-12-22 15:18:59,910 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_fusbh200_init [2021-12-22 15:18:59,910 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_fusbh200_init [2021-12-22 15:18:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2021-12-22 15:18:59,911 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2021-12-22 15:18:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2021-12-22 15:18:59,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2021-12-22 15:18:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-22 15:18:59,911 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-22 15:18:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure shadow_next_periodic [2021-12-22 15:18:59,911 INFO L138 BoogieDeclarations]: Found implementation of procedure shadow_next_periodic [2021-12-22 15:18:59,911 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_read_frame_index [2021-12-22 15:18:59,912 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_read_frame_index [2021-12-22 15:18:59,912 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-22 15:18:59,912 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-22 15:18:59,912 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_shutdown [2021-12-22 15:18:59,912 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_shutdown [2021-12-22 15:18:59,912 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpu [2021-12-22 15:18:59,912 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpu [2021-12-22 15:18:59,912 INFO L130 BoogieDeclarations]: Found specification of procedure handshake [2021-12-22 15:18:59,913 INFO L138 BoogieDeclarations]: Found implementation of procedure handshake [2021-12-22 15:18:59,913 INFO L130 BoogieDeclarations]: Found specification of procedure debug_close [2021-12-22 15:18:59,913 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_close [2021-12-22 15:18:59,913 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_work [2021-12-22 15:18:59,913 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_work [2021-12-22 15:18:59,913 INFO L130 BoogieDeclarations]: Found specification of procedure qh_refresh [2021-12-22 15:18:59,913 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_refresh [2021-12-22 15:18:59,913 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 15:18:59,914 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 15:18:59,914 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_async [2021-12-22 15:18:59,914 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_async [2021-12-22 15:18:59,914 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-22 15:18:59,914 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-22 15:18:59,914 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc32 [2021-12-22 15:18:59,914 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc32 [2021-12-22 15:18:59,915 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-22 15:18:59,915 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-22 15:18:59,915 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_run [2021-12-22 15:18:59,915 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_run [2021-12-22 15:18:59,915 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-22 15:18:59,915 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-22 15:18:59,915 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-22 15:18:59,915 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-22 15:18:59,916 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-22 15:18:59,916 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-22 15:18:59,916 INFO L130 BoogieDeclarations]: Found specification of procedure qh_append_tds [2021-12-22 15:18:59,916 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_append_tds [2021-12-22 15:18:59,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:18:59,916 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_hub_control [2021-12-22 15:18:59,916 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_hub_control [2021-12-22 15:18:59,916 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2021-12-22 15:18:59,916 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2021-12-22 15:18:59,916 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_port_speed [2021-12-22 15:18:59,917 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_port_speed [2021-12-22 15:18:59,917 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_clear_tt_buffer [2021-12-22 15:18:59,917 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_clear_tt_buffer [2021-12-22 15:18:59,917 INFO L130 BoogieDeclarations]: Found specification of procedure fusbh200_irq [2021-12-22 15:18:59,917 INFO L138 BoogieDeclarations]: Found implementation of procedure fusbh200_irq [2021-12-22 15:18:59,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:18:59,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:18:59,917 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2021-12-22 15:18:59,917 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2021-12-22 15:19:00,855 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:19:00,858 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:19:04,070 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:19:10,752 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_platform_driver_unregister_29_returnLabel#1: assume { :end_inline_ldv_platform_driver_unregister_29 } true; [2021-12-22 15:19:10,946 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:19:10,971 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:19:10,972 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 15:19:10,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:19:10 BoogieIcfgContainer [2021-12-22 15:19:10,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:19:10,977 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:19:10,977 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:19:10,980 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:19:10,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:18:56" (1/3) ... [2021-12-22 15:19:10,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1faa769e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:19:10, skipping insertion in model container [2021-12-22 15:19:10,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:59" (2/3) ... [2021-12-22 15:19:10,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1faa769e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:19:10, skipping insertion in model container [2021-12-22 15:19:10,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:19:10" (3/3) ... [2021-12-22 15:19:10,982 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--fusbh200-hcd.ko-entry_point.cil.out.i [2021-12-22 15:19:10,986 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:19:10,986 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 15:19:11,035 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:19:11,041 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 [2021-12-22 15:19:11,041 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 15:19:11,112 INFO L276 IsEmpty]: Start isEmpty. Operand has 3545 states, 2437 states have (on average 1.3652031185884284) internal successors, (3327), 2523 states have internal predecessors, (3327), 968 states have call successors, (968), 139 states have call predecessors, (968), 138 states have return successors, (960), 941 states have call predecessors, (960), 960 states have call successors, (960) [2021-12-22 15:19:11,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2021-12-22 15:19:11,135 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:19:11,136 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] [2021-12-22 15:19:11,137 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:19:11,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:19:11,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1486015269, now seen corresponding path program 1 times [2021-12-22 15:19:11,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:19:11,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401028474] [2021-12-22 15:19:11,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:19:11,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:19:11,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:11,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:19:11,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:11,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:11,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:11,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:11,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:19:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:11,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:11,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:11,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:19:11,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:11,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:11,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:11,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:11,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:19:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:11,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:11,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:11,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:11,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:11,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:19:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:11,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:11,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:11,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:19:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:11,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:11,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:11,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:11,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:11,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 15:19:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:11,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:11,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:11,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:11,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:11,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 15:19:12,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:12,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 15:19:12,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:19:12,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:12,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-22 15:19:12,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-22 15:19:12,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-22 15:19:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-22 15:19:12,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-22 15:19:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-22 15:19:12,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-22 15:19:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-22 15:19:12,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-22 15:19:12,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-22 15:19:12,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-22 15:19:12,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-22 15:19:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-22 15:19:12,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-22 15:19:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-22 15:19:12,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-22 15:19:12,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-22 15:19:12,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-22 15:19:12,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2007 trivial. 0 not checked. [2021-12-22 15:19:12,505 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:19:12,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401028474] [2021-12-22 15:19:12,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401028474] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:19:12,506 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:19:12,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 15:19:12,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625435779] [2021-12-22 15:19:12,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:19:12,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 15:19:12,511 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:19:12,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 15:19:12,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:19:12,534 INFO L87 Difference]: Start difference. First operand has 3545 states, 2437 states have (on average 1.3652031185884284) internal successors, (3327), 2523 states have internal predecessors, (3327), 968 states have call successors, (968), 139 states have call predecessors, (968), 138 states have return successors, (960), 941 states have call predecessors, (960), 960 states have call successors, (960) 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) [2021-12-22 15:19:19,762 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 [] [2021-12-22 15:19:22,561 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:19:24,601 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:19:26,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:19:26,041 INFO L93 Difference]: Finished difference Result 7490 states and 11292 transitions. [2021-12-22 15:19:26,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 15:19:26,043 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 [2021-12-22 15:19:26,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:19:26,088 INFO L225 Difference]: With dead ends: 7490 [2021-12-22 15:19:26,088 INFO L226 Difference]: Without dead ends: 3915 [2021-12-22 15:19:26,113 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:19:26,117 INFO L933 BasicCegarLoop]: 4871 mSDtfsCounter, 2684 mSDsluCounter, 2483 mSDsCounter, 0 mSdLazyCounter, 2069 mSolverCounterSat, 3636 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2789 SdHoareTripleChecker+Valid, 7354 SdHoareTripleChecker+Invalid, 5708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3636 IncrementalHoareTripleChecker+Valid, 2069 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2021-12-22 15:19:26,118 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2789 Valid, 7354 Invalid, 5708 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3636 Valid, 2069 Invalid, 3 Unknown, 0 Unchecked, 13.0s Time] [2021-12-22 15:19:26,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3915 states. [2021-12-22 15:19:26,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3915 to 3511. [2021-12-22 15:19:26,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3511 states, 2419 states have (on average 1.3608929309632078) internal successors, (3292), 2495 states have internal predecessors, (3292), 955 states have call successors, (955), 137 states have call predecessors, (955), 136 states have return successors, (953), 934 states have call predecessors, (953), 953 states have call successors, (953) [2021-12-22 15:19:26,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3511 states to 3511 states and 5200 transitions. [2021-12-22 15:19:26,358 INFO L78 Accepts]: Start accepts. Automaton has 3511 states and 5200 transitions. Word has length 375 [2021-12-22 15:19:26,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:19:26,359 INFO L470 AbstractCegarLoop]: Abstraction has 3511 states and 5200 transitions. [2021-12-22 15:19:26,360 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) [2021-12-22 15:19:26,360 INFO L276 IsEmpty]: Start isEmpty. Operand 3511 states and 5200 transitions. [2021-12-22 15:19:26,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2021-12-22 15:19:26,366 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:19:26,367 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] [2021-12-22 15:19:26,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:19:26,367 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:19:26,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:19:26,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1727246993, now seen corresponding path program 1 times [2021-12-22 15:19:26,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:19:26,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997167144] [2021-12-22 15:19:26,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:19:26,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:19:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:26,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:19:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:26,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:26,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:26,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:26,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:26,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:19:26,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:26,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:26,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:26,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:26,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:19:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:26,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:26,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:26,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:26,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:19:26,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:26,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:26,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:26,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:26,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:26,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:19:26,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:26,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:26,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:26,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:26,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:19:26,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:26,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:26,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:26,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:26,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 15:19:26,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:26,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:26,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:26,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:26,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:26,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 15:19:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:26,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:26,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:26,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:26,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 15:19:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:26,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:26,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:26,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:19:26,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:26,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:26,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:26,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-22 15:19:26,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:26,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:26,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:26,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-22 15:19:26,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:26,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:26,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-22 15:19:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:26,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:26,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-22 15:19:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-22 15:19:27,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-22 15:19:27,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-22 15:19:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-22 15:19:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-22 15:19:27,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-22 15:19:27,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-22 15:19:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-22 15:19:27,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-22 15:19:27,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-22 15:19:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-22 15:19:27,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-22 15:19:27,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-22 15:19:27,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-22 15:19:27,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,228 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2007 trivial. 0 not checked. [2021-12-22 15:19:27,229 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:19:27,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997167144] [2021-12-22 15:19:27,231 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997167144] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:19:27,231 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:19:27,232 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:19:27,232 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943253481] [2021-12-22 15:19:27,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:19:27,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:19:27,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:19:27,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:19:27,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:19:27,235 INFO L87 Difference]: Start difference. First operand 3511 states and 5200 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) [2021-12-22 15:19:35,992 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:19:38,155 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:19:41,290 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:19:43,328 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:19:45,259 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:19:53,978 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:19:56,076 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []