./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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--fotg210-hcd.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6831c80473b3bd102fb10b7b3c65e4c88728eb3739081530d9e505e798afb064 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:18:52,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:18:52,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:18:52,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:18:52,774 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:18:52,777 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:18:52,778 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:18:52,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:18:52,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:18:52,786 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:18:52,787 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:18:52,788 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:18:52,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:18:52,790 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:18:52,792 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:18:52,795 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:18:52,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:18:52,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:18:52,798 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:18:52,803 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:18:52,804 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:18:52,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:18:52,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:18:52,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:18:52,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:18:52,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:18:52,808 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:18:52,809 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:18:52,809 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:18:52,810 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:18:52,810 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:18:52,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:18:52,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:18:52,811 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:18:52,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:18:52,812 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:18:52,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:18:52,813 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:18:52,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:18:52,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:18:52,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:18:52,817 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:18:52,848 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:18:52,848 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:18:52,849 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:18:52,849 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:18:52,850 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:18:52,850 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:18:52,850 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:18:52,851 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:18:52,851 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:18:52,851 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:18:52,852 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:18:52,852 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:18:52,852 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:18:52,852 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:18:52,853 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:18:52,853 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:18:52,853 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:18:52,853 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:18:52,853 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:18:52,854 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:18:52,854 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:18:52,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:18:52,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:18:52,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:18:52,855 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:18:52,855 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:18:52,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:18:52,856 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:18:52,856 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:18:52,856 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:18:52,857 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:18:52,857 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6831c80473b3bd102fb10b7b3c65e4c88728eb3739081530d9e505e798afb064 [2021-12-22 15:18:53,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:18:53,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:18:53,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:18:53,115 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:18:53,116 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:18:53,117 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i [2021-12-22 15:18:53,175 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54600ddf0/3ad4e295bbff4f2cab08f7075d31c3ce/FLAG5faeb9e4e [2021-12-22 15:18:53,878 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:18:53,879 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i [2021-12-22 15:18:53,929 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54600ddf0/3ad4e295bbff4f2cab08f7075d31c3ce/FLAG5faeb9e4e [2021-12-22 15:18:54,440 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54600ddf0/3ad4e295bbff4f2cab08f7075d31c3ce [2021-12-22 15:18:54,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:18:54,443 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:18:54,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:18:54,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:18:54,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:18:54,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:18:54" (1/1) ... [2021-12-22 15:18:54,450 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@327fb5cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:54, skipping insertion in model container [2021-12-22 15:18:54,450 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:18:54" (1/1) ... [2021-12-22 15:18:54,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:18:54,618 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:18:56,738 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i[367830,367843] [2021-12-22 15:18:56,787 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-22 15:18:56,796 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:18:56,821 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:18:57,296 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i[367830,367843] [2021-12-22 15:18:57,301 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-22 15:18:57,305 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:18:57,408 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:18:57,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:57 WrapperNode [2021-12-22 15:18:57,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:18:57,411 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:18:57,411 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:18:57,411 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:18:57,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:57" (1/1) ... [2021-12-22 15:18:57,552 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:57" (1/1) ... [2021-12-22 15:18:57,892 INFO L137 Inliner]: procedures = 335, calls = 4672, calls flagged for inlining = 153, calls inlined = 151, statements flattened = 11540 [2021-12-22 15:18:57,893 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:18:57,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:18:57,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:18:57,895 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:18:57,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:57" (1/1) ... [2021-12-22 15:18:57,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:57" (1/1) ... [2021-12-22 15:18:57,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:57" (1/1) ... [2021-12-22 15:18:57,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:57" (1/1) ... [2021-12-22 15:18:58,236 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:57" (1/1) ... [2021-12-22 15:18:58,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:57" (1/1) ... [2021-12-22 15:18:58,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:57" (1/1) ... [2021-12-22 15:18:58,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:18:58,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:18:58,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:18:58,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:18:58,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:57" (1/1) ... [2021-12-22 15:18:58,349 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:18:58,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:18:58,376 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 15:18:58,395 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 15:18:58,412 INFO L130 BoogieDeclarations]: Found specification of procedure single_unlink_async [2021-12-22 15:18:58,413 INFO L138 BoogieDeclarations]: Found implementation of procedure single_unlink_async [2021-12-22 15:18:58,413 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_poll_PSS [2021-12-22 15:18:58,413 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_poll_PSS [2021-12-22 15:18:58,413 INFO L130 BoogieDeclarations]: Found specification of procedure end_unlink_async [2021-12-22 15:18:58,413 INFO L138 BoogieDeclarations]: Found implementation of procedure end_unlink_async [2021-12-22 15:18:58,414 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_status_buf [2021-12-22 15:18:58,414 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_status_buf [2021-12-22 15:18:58,414 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2021-12-22 15:18:58,414 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2021-12-22 15:18:58,414 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qh_alloc [2021-12-22 15:18:58,414 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qh_alloc [2021-12-22 15:18:58,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:18:58,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:18:58,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:18:58,415 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:18:58,415 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_dequeue [2021-12-22 15:18:58,415 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_dequeue [2021-12-22 15:18:58,415 INFO L130 BoogieDeclarations]: Found specification of procedure turn_on_io_watchdog [2021-12-22 15:18:58,415 INFO L138 BoogieDeclarations]: Found implementation of procedure turn_on_io_watchdog [2021-12-22 15:18:58,416 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_to_hcd [2021-12-22 15:18:58,416 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_to_hcd [2021-12-22 15:18:58,416 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-22 15:18:58,416 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-22 15:18:58,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-22 15:18:58,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-22 15:18:58,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:18:58,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:18:58,417 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpup [2021-12-22 15:18:58,417 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpup [2021-12-22 15:18:58,417 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2021-12-22 15:18:58,417 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2021-12-22 15:18:58,417 INFO L130 BoogieDeclarations]: Found specification of procedure qh_destroy [2021-12-22 15:18:58,417 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_destroy [2021-12-22 15:18:58,418 INFO L130 BoogieDeclarations]: Found specification of procedure end_free_itds [2021-12-22 15:18:58,418 INFO L138 BoogieDeclarations]: Found implementation of procedure end_free_itds [2021-12-22 15:18:58,418 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-22 15:18:58,418 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-22 15:18:58,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 15:18:58,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 15:18:58,418 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hcd_remove [2021-12-22 15:18:58,418 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hcd_remove [2021-12-22 15:18:58,419 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_next_shadow [2021-12-22 15:18:58,419 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_next_shadow [2021-12-22 15:18:58,419 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_poll_ASS [2021-12-22 15:18:58,419 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_poll_ASS [2021-12-22 15:18:58,419 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_buffer [2021-12-22 15:18:58,419 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_buffer [2021-12-22 15:18:58,420 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_run [2021-12-22 15:18:58,420 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_run [2021-12-22 15:18:58,420 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-22 15:18:58,420 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-22 15:18:58,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:18:58,421 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:18:58,421 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_intr [2021-12-22 15:18:58,422 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_intr [2021-12-22 15:18:58,422 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 15:18:58,423 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 15:18:58,423 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hub_status_data [2021-12-22 15:18:58,423 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hub_status_data [2021-12-22 15:18:58,424 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_set_command_bit [2021-12-22 15:18:58,424 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_set_command_bit [2021-12-22 15:18:58,424 INFO L130 BoogieDeclarations]: Found specification of procedure debug_output [2021-12-22 15:18:58,424 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_output [2021-12-22 15:18:58,424 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2021-12-22 15:18:58,424 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2021-12-22 15:18:58,424 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_init [2021-12-22 15:18:58,425 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_init [2021-12-22 15:18:58,425 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2021-12-22 15:18:58,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2021-12-22 15:18:58,425 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_relinquish_port [2021-12-22 15:18:58,426 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_relinquish_port [2021-12-22 15:18:58,426 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_fotg210 [2021-12-22 15:18:58,426 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_fotg210 [2021-12-22 15:18:58,426 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_irq [2021-12-22 15:18:58,426 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_irq [2021-12-22 15:18:58,426 INFO L130 BoogieDeclarations]: Found specification of procedure start_free_itds [2021-12-22 15:18:58,426 INFO L138 BoogieDeclarations]: Found implementation of procedure start_free_itds [2021-12-22 15:18:58,427 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_stop [2021-12-22 15:18:58,427 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_stop [2021-12-22 15:18:58,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:18:58,427 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 15:18:58,427 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 15:18:58,427 INFO L130 BoogieDeclarations]: Found specification of procedure bus_to_hcd [2021-12-22 15:18:58,427 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_to_hcd [2021-12-22 15:18:58,428 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_command_bit [2021-12-22 15:18:58,428 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_command_bit [2021-12-22 15:18:58,428 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_list_free [2021-12-22 15:18:58,428 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_list_free [2021-12-22 15:18:58,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:18:58,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 15:18:58,429 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2021-12-22 15:18:58,429 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2021-12-22 15:18:58,429 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2021-12-22 15:18:58,430 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2021-12-22 15:18:58,430 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-22 15:18:58,430 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-22 15:18:58,430 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_fill [2021-12-22 15:18:58,430 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_fill [2021-12-22 15:18:58,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-22 15:18:58,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-22 15:18:58,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:18:58,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:18:58,431 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-22 15:18:58,431 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-22 15:18:58,431 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_readl [2021-12-22 15:18:58,431 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_readl [2021-12-22 15:18:58,432 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2021-12-22 15:18:58,432 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2021-12-22 15:18:58,432 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_tt_buffer [2021-12-22 15:18:58,432 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_tt_buffer [2021-12-22 15:18:58,432 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2021-12-22 15:18:58,432 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2021-12-22 15:18:58,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:18:58,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:18:58,433 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_writel [2021-12-22 15:18:58,434 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_writel [2021-12-22 15:18:58,436 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_command_buf [2021-12-22 15:18:58,436 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_command_buf [2021-12-22 15:18:58,436 INFO L130 BoogieDeclarations]: Found specification of procedure start_iaa_cycle [2021-12-22 15:18:58,436 INFO L138 BoogieDeclarations]: Found implementation of procedure start_iaa_cycle [2021-12-22 15:18:58,437 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_halt [2021-12-22 15:18:58,437 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_halt [2021-12-22 15:18:58,438 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-12-22 15:18:58,438 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-12-22 15:18:58,438 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hcd_probe [2021-12-22 15:18:58,443 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hcd_probe [2021-12-22 15:18:58,444 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_usecs [2021-12-22 15:18:58,444 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_usecs [2021-12-22 15:18:58,444 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-22 15:18:58,444 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-22 15:18:58,444 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_endpoint_disable [2021-12-22 15:18:58,444 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_endpoint_disable [2021-12-22 15:18:58,444 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-12-22 15:18:58,444 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-12-22 15:18:58,445 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-22 15:18:58,445 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-22 15:18:58,445 INFO L130 BoogieDeclarations]: Found specification of procedure qh_completions [2021-12-22 15:18:58,445 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_completions [2021-12-22 15:18:58,445 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_mem_cleanup [2021-12-22 15:18:58,445 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_mem_cleanup [2021-12-22 15:18:58,445 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_handle_controller_death [2021-12-22 15:18:58,445 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_handle_controller_death [2021-12-22 15:18:58,446 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-22 15:18:58,446 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-22 15:18:58,446 INFO L130 BoogieDeclarations]: Found specification of procedure disable_periodic [2021-12-22 15:18:58,446 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_periodic [2021-12-22 15:18:58,446 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2021-12-22 15:18:58,446 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2021-12-22 15:18:58,446 INFO L130 BoogieDeclarations]: Found specification of procedure enable_periodic [2021-12-22 15:18:58,446 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_periodic [2021-12-22 15:18:58,447 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_port_speed [2021-12-22 15:18:58,447 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_port_speed [2021-12-22 15:18:58,447 INFO L130 BoogieDeclarations]: Found specification of procedure qh_lines [2021-12-22 15:18:58,447 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_lines [2021-12-22 15:18:58,447 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-22 15:18:58,447 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-22 15:18:58,447 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_shutdown [2021-12-22 15:18:58,447 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_shutdown [2021-12-22 15:18:58,448 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-22 15:18:58,448 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-22 15:18:58,448 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_handle_intr_unlinks [2021-12-22 15:18:58,448 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_handle_intr_unlinks [2021-12-22 15:18:58,448 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_enable_event [2021-12-22 15:18:58,448 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_enable_event [2021-12-22 15:18:58,449 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_free [2021-12-22 15:18:58,449 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_free [2021-12-22 15:18:58,449 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_read_frame_index [2021-12-22 15:18:58,449 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_read_frame_index [2021-12-22 15:18:58,449 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2021-12-22 15:18:58,449 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2021-12-22 15:18:58,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:18:58,449 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_quiesce [2021-12-22 15:18:58,450 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_quiesce [2021-12-22 15:18:58,450 INFO L130 BoogieDeclarations]: Found specification of procedure qh_schedule [2021-12-22 15:18:58,450 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_schedule [2021-12-22 15:18:58,450 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_get_frame [2021-12-22 15:18:58,450 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_get_frame [2021-12-22 15:18:58,450 INFO L130 BoogieDeclarations]: Found specification of procedure check_intr_schedule [2021-12-22 15:18:58,450 INFO L138 BoogieDeclarations]: Found implementation of procedure check_intr_schedule [2021-12-22 15:18:58,450 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-12-22 15:18:58,451 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-12-22 15:18:58,451 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 15:18:58,451 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 15:18:58,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-22 15:18:58,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-22 15:18:58,452 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_silence_controller [2021-12-22 15:18:58,452 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_silence_controller [2021-12-22 15:18:58,452 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2021-12-22 15:18:58,452 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2021-12-22 15:18:58,452 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 15:18:58,452 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 15:18:58,452 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_tt_buffer_complete [2021-12-22 15:18:58,453 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_tt_buffer_complete [2021-12-22 15:18:58,453 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-12-22 15:18:58,453 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-12-22 15:18:58,453 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-22 15:18:58,453 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-22 15:18:58,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:18:58,453 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_endpoint_reset [2021-12-22 15:18:58,453 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_endpoint_reset [2021-12-22 15:18:58,454 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_link_urb_to_ep [2021-12-22 15:18:58,454 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_link_urb_to_ep [2021-12-22 15:18:58,454 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-22 15:18:58,454 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-22 15:18:58,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:18:58,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:18:58,454 INFO L130 BoogieDeclarations]: Found specification of procedure iso_sched_free [2021-12-22 15:18:58,454 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_sched_free [2021-12-22 15:18:58,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-22 15:18:58,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-22 15:18:58,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:18:58,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-22 15:18:58,455 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_reset [2021-12-22 15:18:58,455 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_reset [2021-12-22 15:18:58,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-22 15:18:58,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-22 15:18:58,455 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-22 15:18:58,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-22 15:18:58,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:18:58,456 INFO L130 BoogieDeclarations]: Found specification of procedure usb_calc_bus_time [2021-12-22 15:18:58,456 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_calc_bus_time [2021-12-22 15:18:58,456 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_cancel [2021-12-22 15:18:58,456 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_cancel [2021-12-22 15:18:58,456 INFO L130 BoogieDeclarations]: Found specification of procedure qh_link_async [2021-12-22 15:18:58,457 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_link_async [2021-12-22 15:18:58,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:18:58,457 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_alloc [2021-12-22 15:18:58,457 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_alloc [2021-12-22 15:18:58,457 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_work [2021-12-22 15:18:58,457 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_work [2021-12-22 15:18:58,457 INFO L130 BoogieDeclarations]: Found specification of procedure qh_urb_transaction [2021-12-22 15:18:58,457 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_urb_transaction [2021-12-22 15:18:58,457 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-22 15:18:58,458 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-22 15:18:58,458 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:18:58,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:18:58,458 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hub_control [2021-12-22 15:18:58,458 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hub_control [2021-12-22 15:18:58,458 INFO L130 BoogieDeclarations]: Found specification of procedure check_period [2021-12-22 15:18:58,458 INFO L138 BoogieDeclarations]: Found implementation of procedure check_period [2021-12-22 15:18:58,458 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2021-12-22 15:18:58,459 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2021-12-22 15:18:58,460 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2021-12-22 15:18:58,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2021-12-22 15:18:58,462 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-22 15:18:58,462 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-22 15:18:58,463 INFO L130 BoogieDeclarations]: Found specification of procedure shadow_next_periodic [2021-12-22 15:18:58,463 INFO L138 BoogieDeclarations]: Found implementation of procedure shadow_next_periodic [2021-12-22 15:18:58,463 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-22 15:18:58,463 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-22 15:18:58,463 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpu [2021-12-22 15:18:58,463 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpu [2021-12-22 15:18:58,464 INFO L130 BoogieDeclarations]: Found specification of procedure handshake [2021-12-22 15:18:58,464 INFO L138 BoogieDeclarations]: Found implementation of procedure handshake [2021-12-22 15:18:58,464 INFO L130 BoogieDeclarations]: Found specification of procedure debug_close [2021-12-22 15:18:58,465 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_close [2021-12-22 15:18:58,465 INFO L130 BoogieDeclarations]: Found specification of procedure qh_refresh [2021-12-22 15:18:58,465 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_refresh [2021-12-22 15:18:58,465 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 15:18:58,465 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 15:18:58,465 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_enqueue [2021-12-22 15:18:58,465 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_enqueue [2021-12-22 15:18:58,465 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_async [2021-12-22 15:18:58,466 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_async [2021-12-22 15:18:58,466 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-22 15:18:58,466 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-22 15:18:58,466 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc32 [2021-12-22 15:18:58,466 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc32 [2021-12-22 15:18:58,466 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-22 15:18:58,466 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-22 15:18:58,466 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-22 15:18:58,466 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-22 15:18:58,467 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-22 15:18:58,467 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-22 15:18:58,467 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-22 15:18:58,467 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-22 15:18:58,467 INFO L130 BoogieDeclarations]: Found specification of procedure qh_append_tds [2021-12-22 15:18:58,467 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_append_tds [2021-12-22 15:18:58,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:18:58,467 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_fotg210_init [2021-12-22 15:18:58,468 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_fotg210_init [2021-12-22 15:18:58,468 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_port_handed_over [2021-12-22 15:18:58,468 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_port_handed_over [2021-12-22 15:18:58,468 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_done [2021-12-22 15:18:58,468 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_done [2021-12-22 15:18:58,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:18:58,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:18:58,468 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2021-12-22 15:18:58,468 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2021-12-22 15:18:58,469 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-22 15:18:58,469 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-22 15:18:59,698 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:18:59,700 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:19:00,177 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:19:10,583 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 15:19:10,771 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:19:10,809 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:19:10,809 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 15:19:10,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:19:10 BoogieIcfgContainer [2021-12-22 15:19:10,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:19:10,815 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:19:10,815 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:19:10,821 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:19:10,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:18:54" (1/3) ... [2021-12-22 15:19:10,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b7eda7f 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 15:19:10,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:18:57" (2/3) ... [2021-12-22 15:19:10,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b7eda7f 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 15:19:10,822 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 15:19:10,823 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i [2021-12-22 15:19:10,828 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:19:10,828 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 15:19:10,894 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:19:10,902 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 15:19:10,903 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 15:19:10,980 INFO L276 IsEmpty]: Start isEmpty. Operand has 3524 states, 2423 states have (on average 1.3656624019810153) internal successors, (3309), 2509 states have internal predecessors, (3309), 961 states have call successors, (961), 139 states have call predecessors, (961), 138 states have return successors, (953), 934 states have call predecessors, (953), 953 states have call successors, (953) [2021-12-22 15:19:11,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2021-12-22 15:19:11,055 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:19:11,056 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 15:19:11,056 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:19:11,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:19:11,062 INFO L85 PathProgramCache]: Analyzing trace with hash 462456051, now seen corresponding path program 1 times [2021-12-22 15:19:11,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:19:11,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895496324] [2021-12-22 15:19:11,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:19:11,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:19:11,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:11,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:19:11,800 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 15:19:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:11,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:11,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:19:11,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:11,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:11,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:11,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:11,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:11,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:19:11,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:11,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:11,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:11,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:11,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:19:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:11,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:11,945 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 6 [2021-12-22 15:19:11,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:11,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:19:11,967 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 15:19:11,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:11,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:11,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:19:12,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 15:19:12,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 15:19:12,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 15:19:12,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,123 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 6 [2021-12-22 15:19:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:19:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:12,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-22 15:19:12,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,196 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 174 [2021-12-22 15:19:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-22 15:19:12,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-22 15:19:12,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,254 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 207 [2021-12-22 15:19:12,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-22 15:19:12,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-22 15:19:12,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-22 15:19:12,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-22 15:19:12,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [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 273 [2021-12-22 15:19:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-22 15:19:12,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-22 15:19:12,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-22 15:19:12,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-22 15:19:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,472 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 328 [2021-12-22 15:19:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-22 15:19:12,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-22 15:19:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:12,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:12,544 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 15:19:12,544 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:19:12,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895496324] [2021-12-22 15:19:12,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895496324] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:19:12,545 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:19:12,546 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 15:19:12,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827314204] [2021-12-22 15:19:12,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:19:12,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 15:19:12,551 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:19:12,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 15:19:12,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:19:12,582 INFO L87 Difference]: Start difference. First operand has 3524 states, 2423 states have (on average 1.3656624019810153) internal successors, (3309), 2509 states have internal predecessors, (3309), 961 states have call successors, (961), 139 states have call predecessors, (961), 138 states have return successors, (953), 934 states have call predecessors, (953), 953 states have call successors, (953) Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-22 15:19:22,077 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 15:19:24,482 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:19:26,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:19:26,658 INFO L93 Difference]: Finished difference Result 7407 states and 11156 transitions. [2021-12-22 15:19:26,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 15:19:26,661 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 15:19:26,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:19:26,708 INFO L225 Difference]: With dead ends: 7407 [2021-12-22 15:19:26,709 INFO L226 Difference]: Without dead ends: 3853 [2021-12-22 15:19:26,736 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 15:19:26,738 INFO L933 BasicCegarLoop]: 4845 mSDtfsCounter, 1599 mSDsluCounter, 4404 mSDsCounter, 0 mSdLazyCounter, 3453 mSolverCounterSat, 2309 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1699 SdHoareTripleChecker+Valid, 9249 SdHoareTripleChecker+Invalid, 5764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2309 IncrementalHoareTripleChecker+Valid, 3453 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2021-12-22 15:19:26,739 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1699 Valid, 9249 Invalid, 5764 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2309 Valid, 3453 Invalid, 2 Unknown, 0 Unchecked, 13.6s Time] [2021-12-22 15:19:26,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3853 states. [2021-12-22 15:19:26,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3853 to 3490. [2021-12-22 15:19:26,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3490 states, 2405 states have (on average 1.3613305613305613) internal successors, (3274), 2481 states have internal predecessors, (3274), 948 states have call successors, (948), 137 states have call predecessors, (948), 136 states have return successors, (946), 927 states have call predecessors, (946), 946 states have call successors, (946) [2021-12-22 15:19:27,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3490 states to 3490 states and 5168 transitions. [2021-12-22 15:19:27,013 INFO L78 Accepts]: Start accepts. Automaton has 3490 states and 5168 transitions. Word has length 375 [2021-12-22 15:19:27,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:19:27,014 INFO L470 AbstractCegarLoop]: Abstraction has 3490 states and 5168 transitions. [2021-12-22 15:19:27,014 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 15:19:27,015 INFO L276 IsEmpty]: Start isEmpty. Operand 3490 states and 5168 transitions. [2021-12-22 15:19:27,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2021-12-22 15:19:27,028 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:19:27,029 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 15:19:27,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:19:27,029 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:19:27,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:19:27,030 INFO L85 PathProgramCache]: Analyzing trace with hash 703687775, now seen corresponding path program 1 times [2021-12-22 15:19:27,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:19:27,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493256348] [2021-12-22 15:19:27,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:19:27,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:19:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:19:27,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:27,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 15:19:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 15:19:27,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:19:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:27,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-22 15:19:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 15:19:27,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:27,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 15:19:27,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 15:19:27,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 15:19:27,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:27,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:19:27,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:19:27,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-22 15:19:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-22 15:19:27,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-22 15:19:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-22 15:19:27,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-22 15:19:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-22 15:19:27,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-22 15:19:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-22 15:19:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-22 15:19:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-22 15:19:27,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-22 15:19:27,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-22 15:19:27,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-22 15:19:27,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-22 15:19:27,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:27,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:27,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-22 15:19:28,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:28,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:28,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:28,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-22 15:19:28,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:28,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:28,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:28,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-22 15:19:28,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:28,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:28,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:28,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-22 15:19:28,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:28,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:19:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:19:28,063 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 15:19:28,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:19:28,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493256348] [2021-12-22 15:19:28,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493256348] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:19:28,067 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:19:28,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:19:28,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649555384] [2021-12-22 15:19:28,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:19:28,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:19:28,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:19:28,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:19:28,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:19:28,072 INFO L87 Difference]: Start difference. First operand 3490 states and 5168 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2021-12-22 15:19:37,744 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 15:19:41,301 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []