./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 839c364b 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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:24:39,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:24:39,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:24:39,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:24:39,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:24:39,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:24:39,583 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:24:39,585 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:24:39,587 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:24:39,591 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:24:39,592 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:24:39,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:24:39,593 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:24:39,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:24:39,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:24:39,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:24:39,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:24:39,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:24:39,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:24:39,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:24:39,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:24:39,604 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:24:39,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:24:39,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:24:39,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:24:39,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:24:39,616 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:24:39,617 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:24:39,618 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:24:39,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:24:39,619 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:24:39,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:24:39,621 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:24:39,622 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:24:39,623 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:24:39,623 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:24:39,623 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:24:39,623 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:24:39,624 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:24:39,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:24:39,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:24:39,626 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:24:39,657 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:24:39,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:24:39,658 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:24:39,658 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:24:39,658 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:24:39,659 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:24:39,659 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:24:39,659 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:24:39,659 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:24:39,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:24:39,660 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:24:39,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:24:39,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:24:39,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:24:39,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:24:39,661 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:24:39,661 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:24:39,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:24:39,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:24:39,662 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:24:39,662 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:24:39,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:24:39,663 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:24:39,663 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:24:39,663 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:24:39,663 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:24:39,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:24:39,663 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:24:39,664 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:24:39,664 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:24:39,664 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:24:39,664 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6831c80473b3bd102fb10b7b3c65e4c88728eb3739081530d9e505e798afb064 [2021-12-14 18:24:39,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:24:39,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:24:39,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:24:39,919 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:24:39,920 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:24:39,921 INFO L432 ainManager$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 [2021-12-14 18:24:39,981 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b89becd3e/9b8aa1c68eb3435ca4cf02b9255b2ea9/FLAG36f2170d8 [2021-12-14 18:24:40,682 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:24:40,683 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 [2021-12-14 18:24:40,730 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b89becd3e/9b8aa1c68eb3435ca4cf02b9255b2ea9/FLAG36f2170d8 [2021-12-14 18:24:40,754 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b89becd3e/9b8aa1c68eb3435ca4cf02b9255b2ea9 [2021-12-14 18:24:40,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:24:40,759 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:24:40,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:24:40,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:24:40,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:24:40,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:24:40" (1/1) ... [2021-12-14 18:24:40,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1280a6a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:40, skipping insertion in model container [2021-12-14 18:24:40,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:24:40" (1/1) ... [2021-12-14 18:24:40,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:24:40,911 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:24:42,756 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] [2021-12-14 18:24:42,808 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-14 18:24:42,817 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:24:42,847 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:24:43,315 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] [2021-12-14 18:24:43,320 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-14 18:24:43,324 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:24:43,407 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:24:43,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:43 WrapperNode [2021-12-14 18:24:43,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:24:43,408 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:24:43,409 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:24:43,409 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:24:43,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:43" (1/1) ... [2021-12-14 18:24:43,536 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:43" (1/1) ... [2021-12-14 18:24:43,806 INFO L137 Inliner]: procedures = 335, calls = 4672, calls flagged for inlining = 153, calls inlined = 151, statements flattened = 11540 [2021-12-14 18:24:43,806 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:24:43,807 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:24:43,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:24:43,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:24:43,814 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:43" (1/1) ... [2021-12-14 18:24:43,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:43" (1/1) ... [2021-12-14 18:24:43,854 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:43" (1/1) ... [2021-12-14 18:24:43,854 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:43" (1/1) ... [2021-12-14 18:24:44,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:43" (1/1) ... [2021-12-14 18:24:44,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:43" (1/1) ... [2021-12-14 18:24:44,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:43" (1/1) ... [2021-12-14 18:24:44,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:24:44,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:24:44,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:24:44,223 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:24:44,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:43" (1/1) ... [2021-12-14 18:24:44,230 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:24:44,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:24:44,252 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) [2021-12-14 18:24:44,276 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 [2021-12-14 18:24:44,288 INFO L130 BoogieDeclarations]: Found specification of procedure single_unlink_async [2021-12-14 18:24:44,288 INFO L138 BoogieDeclarations]: Found implementation of procedure single_unlink_async [2021-12-14 18:24:44,288 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_poll_PSS [2021-12-14 18:24:44,288 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_poll_PSS [2021-12-14 18:24:44,288 INFO L130 BoogieDeclarations]: Found specification of procedure end_unlink_async [2021-12-14 18:24:44,289 INFO L138 BoogieDeclarations]: Found implementation of procedure end_unlink_async [2021-12-14 18:24:44,289 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_status_buf [2021-12-14 18:24:44,289 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_status_buf [2021-12-14 18:24:44,289 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2021-12-14 18:24:44,289 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2021-12-14 18:24:44,289 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qh_alloc [2021-12-14 18:24:44,289 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qh_alloc [2021-12-14 18:24:44,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:24:44,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:24:44,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:24:44,290 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:24:44,290 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_dequeue [2021-12-14 18:24:44,290 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_dequeue [2021-12-14 18:24:44,290 INFO L130 BoogieDeclarations]: Found specification of procedure turn_on_io_watchdog [2021-12-14 18:24:44,291 INFO L138 BoogieDeclarations]: Found implementation of procedure turn_on_io_watchdog [2021-12-14 18:24:44,291 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_to_hcd [2021-12-14 18:24:44,291 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_to_hcd [2021-12-14 18:24:44,291 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-14 18:24:44,291 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-14 18:24:44,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-14 18:24:44,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-14 18:24:44,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:24:44,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:24:44,292 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpup [2021-12-14 18:24:44,292 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpup [2021-12-14 18:24:44,292 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2021-12-14 18:24:44,292 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2021-12-14 18:24:44,293 INFO L130 BoogieDeclarations]: Found specification of procedure qh_destroy [2021-12-14 18:24:44,293 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_destroy [2021-12-14 18:24:44,293 INFO L130 BoogieDeclarations]: Found specification of procedure end_free_itds [2021-12-14 18:24:44,293 INFO L138 BoogieDeclarations]: Found implementation of procedure end_free_itds [2021-12-14 18:24:44,293 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-14 18:24:44,293 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-14 18:24:44,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 18:24:44,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 18:24:44,294 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hcd_remove [2021-12-14 18:24:44,294 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hcd_remove [2021-12-14 18:24:44,294 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_next_shadow [2021-12-14 18:24:44,294 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_next_shadow [2021-12-14 18:24:44,294 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_poll_ASS [2021-12-14 18:24:44,295 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_poll_ASS [2021-12-14 18:24:44,295 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_buffer [2021-12-14 18:24:44,295 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_buffer [2021-12-14 18:24:44,295 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_run [2021-12-14 18:24:44,295 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_run [2021-12-14 18:24:44,295 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-14 18:24:44,296 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-14 18:24:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:24:44,296 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:24:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_intr [2021-12-14 18:24:44,296 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_intr [2021-12-14 18:24:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 18:24:44,297 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 18:24:44,297 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hub_status_data [2021-12-14 18:24:44,297 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hub_status_data [2021-12-14 18:24:44,297 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_set_command_bit [2021-12-14 18:24:44,297 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_set_command_bit [2021-12-14 18:24:44,297 INFO L130 BoogieDeclarations]: Found specification of procedure debug_output [2021-12-14 18:24:44,297 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_output [2021-12-14 18:24:44,298 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2021-12-14 18:24:44,298 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2021-12-14 18:24:44,298 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_init [2021-12-14 18:24:44,298 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_init [2021-12-14 18:24:44,298 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2021-12-14 18:24:44,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2021-12-14 18:24:44,299 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_relinquish_port [2021-12-14 18:24:44,299 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_relinquish_port [2021-12-14 18:24:44,299 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_fotg210 [2021-12-14 18:24:44,299 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_fotg210 [2021-12-14 18:24:44,299 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_irq [2021-12-14 18:24:44,299 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_irq [2021-12-14 18:24:44,299 INFO L130 BoogieDeclarations]: Found specification of procedure start_free_itds [2021-12-14 18:24:44,300 INFO L138 BoogieDeclarations]: Found implementation of procedure start_free_itds [2021-12-14 18:24:44,300 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_stop [2021-12-14 18:24:44,300 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_stop [2021-12-14 18:24:44,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:24:44,300 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 18:24:44,300 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 18:24:44,301 INFO L130 BoogieDeclarations]: Found specification of procedure bus_to_hcd [2021-12-14 18:24:44,301 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_to_hcd [2021-12-14 18:24:44,301 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_command_bit [2021-12-14 18:24:44,301 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_command_bit [2021-12-14 18:24:44,301 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_list_free [2021-12-14 18:24:44,301 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_list_free [2021-12-14 18:24:44,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:24:44,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-14 18:24:44,302 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2021-12-14 18:24:44,302 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2021-12-14 18:24:44,302 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2021-12-14 18:24:44,302 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2021-12-14 18:24:44,302 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-14 18:24:44,303 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-14 18:24:44,303 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_fill [2021-12-14 18:24:44,303 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_fill [2021-12-14 18:24:44,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-14 18:24:44,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-14 18:24:44,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 18:24:44,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 18:24:44,304 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 18:24:44,304 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 18:24:44,304 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_readl [2021-12-14 18:24:44,304 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_readl [2021-12-14 18:24:44,304 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2021-12-14 18:24:44,304 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2021-12-14 18:24:44,304 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_tt_buffer [2021-12-14 18:24:44,305 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_tt_buffer [2021-12-14 18:24:44,305 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2021-12-14 18:24:44,305 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2021-12-14 18:24:44,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:24:44,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:24:44,305 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_writel [2021-12-14 18:24:44,306 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_writel [2021-12-14 18:24:44,306 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_command_buf [2021-12-14 18:24:44,306 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_command_buf [2021-12-14 18:24:44,306 INFO L130 BoogieDeclarations]: Found specification of procedure start_iaa_cycle [2021-12-14 18:24:44,306 INFO L138 BoogieDeclarations]: Found implementation of procedure start_iaa_cycle [2021-12-14 18:24:44,306 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_halt [2021-12-14 18:24:44,307 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_halt [2021-12-14 18:24:44,307 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-12-14 18:24:44,307 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-12-14 18:24:44,307 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hcd_probe [2021-12-14 18:24:44,307 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hcd_probe [2021-12-14 18:24:44,307 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_usecs [2021-12-14 18:24:44,307 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_usecs [2021-12-14 18:24:44,308 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-14 18:24:44,308 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-14 18:24:44,308 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_endpoint_disable [2021-12-14 18:24:44,308 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_endpoint_disable [2021-12-14 18:24:44,308 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-12-14 18:24:44,308 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-12-14 18:24:44,309 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-14 18:24:44,309 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-14 18:24:44,309 INFO L130 BoogieDeclarations]: Found specification of procedure qh_completions [2021-12-14 18:24:44,309 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_completions [2021-12-14 18:24:44,309 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_mem_cleanup [2021-12-14 18:24:44,309 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_mem_cleanup [2021-12-14 18:24:44,309 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_handle_controller_death [2021-12-14 18:24:44,310 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_handle_controller_death [2021-12-14 18:24:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-14 18:24:44,310 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-14 18:24:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure disable_periodic [2021-12-14 18:24:44,310 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_periodic [2021-12-14 18:24:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2021-12-14 18:24:44,310 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2021-12-14 18:24:44,311 INFO L130 BoogieDeclarations]: Found specification of procedure enable_periodic [2021-12-14 18:24:44,311 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_periodic [2021-12-14 18:24:44,311 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_port_speed [2021-12-14 18:24:44,311 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_port_speed [2021-12-14 18:24:44,311 INFO L130 BoogieDeclarations]: Found specification of procedure qh_lines [2021-12-14 18:24:44,311 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_lines [2021-12-14 18:24:44,311 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-14 18:24:44,312 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-14 18:24:44,312 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_shutdown [2021-12-14 18:24:44,312 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_shutdown [2021-12-14 18:24:44,312 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-14 18:24:44,312 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-14 18:24:44,312 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_handle_intr_unlinks [2021-12-14 18:24:44,312 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_handle_intr_unlinks [2021-12-14 18:24:44,313 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_enable_event [2021-12-14 18:24:44,313 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_enable_event [2021-12-14 18:24:44,313 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_free [2021-12-14 18:24:44,313 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_free [2021-12-14 18:24:44,313 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_read_frame_index [2021-12-14 18:24:44,313 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_read_frame_index [2021-12-14 18:24:44,313 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2021-12-14 18:24:44,314 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2021-12-14 18:24:44,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:24:44,314 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_quiesce [2021-12-14 18:24:44,314 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_quiesce [2021-12-14 18:24:44,314 INFO L130 BoogieDeclarations]: Found specification of procedure qh_schedule [2021-12-14 18:24:44,314 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_schedule [2021-12-14 18:24:44,314 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_get_frame [2021-12-14 18:24:44,315 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_get_frame [2021-12-14 18:24:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure check_intr_schedule [2021-12-14 18:24:44,315 INFO L138 BoogieDeclarations]: Found implementation of procedure check_intr_schedule [2021-12-14 18:24:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-12-14 18:24:44,315 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-12-14 18:24:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 18:24:44,315 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 18:24:44,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-14 18:24:44,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-14 18:24:44,316 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_silence_controller [2021-12-14 18:24:44,316 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_silence_controller [2021-12-14 18:24:44,316 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2021-12-14 18:24:44,316 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2021-12-14 18:24:44,316 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 18:24:44,317 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 18:24:44,317 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_tt_buffer_complete [2021-12-14 18:24:44,317 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_tt_buffer_complete [2021-12-14 18:24:44,317 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-12-14 18:24:44,317 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-12-14 18:24:44,317 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-14 18:24:44,317 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-14 18:24:44,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:24:44,318 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_endpoint_reset [2021-12-14 18:24:44,318 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_endpoint_reset [2021-12-14 18:24:44,318 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_link_urb_to_ep [2021-12-14 18:24:44,318 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_link_urb_to_ep [2021-12-14 18:24:44,318 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-14 18:24:44,318 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-14 18:24:44,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:24:44,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:24:44,319 INFO L130 BoogieDeclarations]: Found specification of procedure iso_sched_free [2021-12-14 18:24:44,319 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_sched_free [2021-12-14 18:24:44,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-14 18:24:44,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-14 18:24:44,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:24:44,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-14 18:24:44,320 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_reset [2021-12-14 18:24:44,320 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_reset [2021-12-14 18:24:44,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-14 18:24:44,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-14 18:24:44,320 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-14 18:24:44,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-14 18:24:44,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:24:44,321 INFO L130 BoogieDeclarations]: Found specification of procedure usb_calc_bus_time [2021-12-14 18:24:44,321 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_calc_bus_time [2021-12-14 18:24:44,321 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_cancel [2021-12-14 18:24:44,321 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_cancel [2021-12-14 18:24:44,321 INFO L130 BoogieDeclarations]: Found specification of procedure qh_link_async [2021-12-14 18:24:44,321 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_link_async [2021-12-14 18:24:44,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:24:44,322 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_alloc [2021-12-14 18:24:44,322 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_alloc [2021-12-14 18:24:44,322 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_work [2021-12-14 18:24:44,322 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_work [2021-12-14 18:24:44,322 INFO L130 BoogieDeclarations]: Found specification of procedure qh_urb_transaction [2021-12-14 18:24:44,322 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_urb_transaction [2021-12-14 18:24:44,323 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-14 18:24:44,323 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-14 18:24:44,323 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-14 18:24:44,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-14 18:24:44,323 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hub_control [2021-12-14 18:24:44,323 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hub_control [2021-12-14 18:24:44,323 INFO L130 BoogieDeclarations]: Found specification of procedure check_period [2021-12-14 18:24:44,324 INFO L138 BoogieDeclarations]: Found implementation of procedure check_period [2021-12-14 18:24:44,324 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2021-12-14 18:24:44,324 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2021-12-14 18:24:44,324 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2021-12-14 18:24:44,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2021-12-14 18:24:44,324 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-14 18:24:44,324 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-14 18:24:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure shadow_next_periodic [2021-12-14 18:24:44,325 INFO L138 BoogieDeclarations]: Found implementation of procedure shadow_next_periodic [2021-12-14 18:24:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-14 18:24:44,325 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-14 18:24:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpu [2021-12-14 18:24:44,325 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpu [2021-12-14 18:24:44,326 INFO L130 BoogieDeclarations]: Found specification of procedure handshake [2021-12-14 18:24:44,326 INFO L138 BoogieDeclarations]: Found implementation of procedure handshake [2021-12-14 18:24:44,326 INFO L130 BoogieDeclarations]: Found specification of procedure debug_close [2021-12-14 18:24:44,326 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_close [2021-12-14 18:24:44,326 INFO L130 BoogieDeclarations]: Found specification of procedure qh_refresh [2021-12-14 18:24:44,326 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_refresh [2021-12-14 18:24:44,326 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 18:24:44,327 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 18:24:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_enqueue [2021-12-14 18:24:44,327 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_enqueue [2021-12-14 18:24:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_async [2021-12-14 18:24:44,327 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_async [2021-12-14 18:24:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-14 18:24:44,327 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-14 18:24:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc32 [2021-12-14 18:24:44,328 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc32 [2021-12-14 18:24:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-14 18:24:44,328 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-14 18:24:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-14 18:24:44,329 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-14 18:24:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-14 18:24:44,329 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-14 18:24:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-14 18:24:44,329 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-14 18:24:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure qh_append_tds [2021-12-14 18:24:44,329 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_append_tds [2021-12-14 18:24:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:24:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_fotg210_init [2021-12-14 18:24:44,330 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_fotg210_init [2021-12-14 18:24:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_port_handed_over [2021-12-14 18:24:44,330 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_port_handed_over [2021-12-14 18:24:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_done [2021-12-14 18:24:44,330 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_done [2021-12-14 18:24:44,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:24:44,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:24:44,331 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2021-12-14 18:24:44,331 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2021-12-14 18:24:44,331 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-14 18:24:44,331 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-14 18:24:45,330 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:24:45,333 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:24:45,750 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:24:55,888 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_platform_driver_unregister_29_returnLabel#1: assume { :end_inline_ldv_platform_driver_unregister_29 } true; [2021-12-14 18:24:56,060 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:24:56,090 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:24:56,091 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 18:24:56,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:24:56 BoogieIcfgContainer [2021-12-14 18:24:56,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:24:56,096 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:24:56,096 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:24:56,099 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:24:56,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:24:40" (1/3) ... [2021-12-14 18:24:56,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1920969d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:24:56, skipping insertion in model container [2021-12-14 18:24:56,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:43" (2/3) ... [2021-12-14 18:24:56,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1920969d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:24:56, skipping insertion in model container [2021-12-14 18:24:56,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:24:56" (3/3) ... [2021-12-14 18:24:56,102 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i [2021-12-14 18:24:56,106 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:24:56,107 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 18:24:56,164 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:24:56,169 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 [2021-12-14 18:24:56,169 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 18:24:56,228 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) [2021-12-14 18:24:56,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2021-12-14 18:24:56,251 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:24:56,252 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] [2021-12-14 18:24:56,253 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:24:56,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:24:56,260 INFO L85 PathProgramCache]: Analyzing trace with hash 462456051, now seen corresponding path program 1 times [2021-12-14 18:24:56,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:24:56,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985572047] [2021-12-14 18:24:56,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:24:56,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:24:56,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:56,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:24:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:56,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:56,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:24:56,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:24:57,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:24:57,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:24:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:57,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:24:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:24:57,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:24:57,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:24:57,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:24:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:24:57,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:57,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:24:57,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:24:57,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:57,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:24:57,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:24:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:57,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:24:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:24:57,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:24:57,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:24:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:57,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:24:57,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-14 18:24:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-14 18:24:57,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:57,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-14 18:24:57,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-14 18:24:57,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:57,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-14 18:24:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:57,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-14 18:24:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:57,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-14 18:24:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:57,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-14 18:24:57,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-14 18:24:57,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:57,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-14 18:24:57,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:57,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-14 18:24:57,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-14 18:24:57,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:57,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-14 18:24:57,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:57,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-14 18:24:57,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-14 18:24:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:57,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-14 18:24:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:57,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-14 18:24:57,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:57,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-14 18:24:57,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:24:57,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:24:57,784 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2007 trivial. 0 not checked. [2021-12-14 18:24:57,785 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:24:57,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985572047] [2021-12-14 18:24:57,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985572047] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:24:57,786 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:24:57,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 18:24:57,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129056258] [2021-12-14 18:24:57,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:24:57,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 18:24:57,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:24:57,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 18:24:57,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:24:57,825 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) [2021-12-14 18:25:07,088 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 [] [2021-12-14 18:25:09,420 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 [] [2021-12-14 18:25:11,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:25:11,374 INFO L93 Difference]: Finished difference Result 7407 states and 11156 transitions. [2021-12-14 18:25:11,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 18:25:11,379 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 [2021-12-14 18:25:11,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:25:11,433 INFO L225 Difference]: With dead ends: 7407 [2021-12-14 18:25:11,434 INFO L226 Difference]: Without dead ends: 3853 [2021-12-14 18:25:11,464 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 [2021-12-14 18:25:11,467 INFO L933 BasicCegarLoop]: 4844 mSDtfsCounter, 1599 mSDsluCounter, 4404 mSDsCounter, 0 mSdLazyCounter, 3451 mSolverCounterSat, 2309 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1699 SdHoareTripleChecker+Valid, 9248 SdHoareTripleChecker+Invalid, 5762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2309 IncrementalHoareTripleChecker+Valid, 3451 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2021-12-14 18:25:11,468 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1699 Valid, 9248 Invalid, 5762 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2309 Valid, 3451 Invalid, 2 Unknown, 0 Unchecked, 13.1s Time] [2021-12-14 18:25:11,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3853 states. [2021-12-14 18:25:11,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3853 to 3490. [2021-12-14 18:25:11,757 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) [2021-12-14 18:25:11,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3490 states to 3490 states and 5168 transitions. [2021-12-14 18:25:11,791 INFO L78 Accepts]: Start accepts. Automaton has 3490 states and 5168 transitions. Word has length 375 [2021-12-14 18:25:11,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:25:11,792 INFO L470 AbstractCegarLoop]: Abstraction has 3490 states and 5168 transitions. [2021-12-14 18:25:11,793 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) [2021-12-14 18:25:11,793 INFO L276 IsEmpty]: Start isEmpty. Operand 3490 states and 5168 transitions. [2021-12-14 18:25:11,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2021-12-14 18:25:11,801 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:25:11,802 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] [2021-12-14 18:25:11,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:25:11,802 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:25:11,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:25:11,803 INFO L85 PathProgramCache]: Analyzing trace with hash 703687775, now seen corresponding path program 1 times [2021-12-14 18:25:11,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:25:11,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981898117] [2021-12-14 18:25:11,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:25:11,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:25:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:25:12,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:12,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:12,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:25:12,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:12,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:12,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:25:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:12,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:25:12,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:25:12,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:12,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:12,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:25:12,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:12,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:25:12,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:12,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:25:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:12,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:12,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:25:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:12,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:12,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:25:12,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:12,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:25:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-14 18:25:12,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:12,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-14 18:25:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:12,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-14 18:25:12,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-14 18:25:12,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:12,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-14 18:25:12,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:12,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-14 18:25:12,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:12,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-14 18:25:12,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-14 18:25:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:12,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-14 18:25:12,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-14 18:25:12,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:12,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-14 18:25:12,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:12,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-14 18:25:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:12,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-14 18:25:12,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:12,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-14 18:25:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:12,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-14 18:25:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:12,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-14 18:25:12,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:12,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-14 18:25:12,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:12,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-14 18:25:12,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:25:12,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:25:12,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2007 trivial. 0 not checked. [2021-12-14 18:25:12,847 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:25:12,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981898117] [2021-12-14 18:25:12,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981898117] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:25:12,851 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:25:12,851 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:25:12,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703315188] [2021-12-14 18:25:12,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:25:12,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:25:12,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:25:12,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:25:12,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:25:12,855 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) [2021-12-14 18:25:21,946 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 [] [2021-12-14 18:25:25,327 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:25:27,367 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:25:35,022 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 []