./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.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 ce994d1a73c37780cf760e0a26dafcaa4c1158119509e83a0962528ef5890c5e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 04:16:49,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:16:49,297 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:16:49,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:16:49,341 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:16:49,344 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:16:49,346 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:16:49,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:16:49,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:16:49,357 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:16:49,357 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:16:49,358 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:16:49,358 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:16:49,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:16:49,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:16:49,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:16:49,360 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:16:49,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:16:49,362 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:16:49,363 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:16:49,364 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:16:49,364 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:16:49,365 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:16:49,366 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:16:49,367 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:16:49,367 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:16:49,368 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:16:49,368 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:16:49,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:16:49,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:16:49,369 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:16:49,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:16:49,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:16:49,371 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:16:49,371 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:16:49,371 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:16:49,372 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:16:49,372 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:16:49,372 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:16:49,373 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:16:49,373 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:16:49,374 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:16:49,391 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:16:49,391 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:16:49,392 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:16:49,392 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:16:49,393 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:16:49,393 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:16:49,394 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:16:49,394 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:16:49,394 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:16:49,394 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:16:49,395 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:16:49,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:16:49,395 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:16:49,395 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:16:49,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:16:49,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:16:49,395 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:16:49,396 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:16:49,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:16:49,396 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:16:49,396 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:16:49,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:16:49,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:16:49,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:16:49,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:16:49,404 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:16:49,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:16:49,404 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:16:49,404 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:16:49,404 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:16:49,404 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce994d1a73c37780cf760e0a26dafcaa4c1158119509e83a0962528ef5890c5e [2021-12-28 04:16:49,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:16:49,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:16:49,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:16:49,653 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:16:49,654 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:16:49,655 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i [2021-12-28 04:16:49,701 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8550b7be/671f38c77d6f47d29979cfc16daddd3f/FLAG7625950d1 [2021-12-28 04:16:50,367 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:16:50,367 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i [2021-12-28 04:16:50,409 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8550b7be/671f38c77d6f47d29979cfc16daddd3f/FLAG7625950d1 [2021-12-28 04:16:50,735 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8550b7be/671f38c77d6f47d29979cfc16daddd3f [2021-12-28 04:16:50,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:16:50,740 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:16:50,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:16:50,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:16:50,743 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:16:50,744 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:16:50" (1/1) ... [2021-12-28 04:16:50,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cf2ed5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:16:50, skipping insertion in model container [2021-12-28 04:16:50,744 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:16:50" (1/1) ... [2021-12-28 04:16:50,749 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:16:50,870 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:16:53,098 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i[374492,374505] [2021-12-28 04:16:53,274 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:16:53,310 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:16:53,673 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i[374492,374505] [2021-12-28 04:16:53,684 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:16:53,788 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:16:53,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:16:53 WrapperNode [2021-12-28 04:16:53,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:16:53,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:16:53,790 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:16:53,790 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:16:53,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:16:53" (1/1) ... [2021-12-28 04:16:53,890 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:16:53" (1/1) ... [2021-12-28 04:16:54,147 INFO L137 Inliner]: procedures = 495, calls = 4443, calls flagged for inlining = 161, calls inlined = 145, statements flattened = 7921 [2021-12-28 04:16:54,148 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:16:54,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:16:54,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:16:54,149 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:16:54,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:16:53" (1/1) ... [2021-12-28 04:16:54,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:16:53" (1/1) ... [2021-12-28 04:16:54,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:16:53" (1/1) ... [2021-12-28 04:16:54,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:16:53" (1/1) ... [2021-12-28 04:16:54,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:16:53" (1/1) ... [2021-12-28 04:16:54,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:16:53" (1/1) ... [2021-12-28 04:16:54,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:16:53" (1/1) ... [2021-12-28 04:16:54,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:16:54,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:16:54,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:16:54,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:16:54,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:16:53" (1/1) ... [2021-12-28 04:16:54,555 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:16:54,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:16:54,596 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) [2021-12-28 04:16:54,609 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 [2021-12-28 04:16:54,633 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-28 04:16:54,635 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-28 04:16:54,635 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-28 04:16:54,635 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_request_effect_upload [2021-12-28 04:16:54,635 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_request_effect_upload [2021-12-28 04:16:54,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:16:54,636 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:16:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-12-28 04:16:54,636 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-12-28 04:16:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_playback_pid [2021-12-28 04:16:54,636 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_playback_pid [2021-12-28 04:16:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_special_field [2021-12-28 04:16:54,636 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_special_field [2021-12-28 04:16:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:16:54,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:16:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure hid_reset [2021-12-28 04:16:54,637 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_reset [2021-12-28 04:16:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure usb_block_urb [2021-12-28 04:16:54,637 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_block_urb [2021-12-28 04:16:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-28 04:16:54,637 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-28 04:16:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_check_usage [2021-12-28 04:16:54,637 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_check_usage [2021-12-28 04:16:54,638 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2021-12-28 04:16:54,667 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2021-12-28 04:16:54,667 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_get_extra_descriptor [2021-12-28 04:16:54,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_get_extra_descriptor [2021-12-28 04:16:54,668 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_init_reports [2021-12-28 04:16:54,668 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_init_reports [2021-12-28 04:16:54,668 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-12-28 04:16:54,668 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-12-28 04:16:54,668 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-28 04:16:54,668 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-28 04:16:54,668 INFO L130 BoogieDeclarations]: Found specification of procedure hid_suspend [2021-12-28 04:16:54,668 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_suspend [2021-12-28 04:16:54,669 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_erase_pid [2021-12-28 04:16:54,669 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_erase_pid [2021-12-28 04:16:54,669 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 04:16:54,669 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 04:16:54,669 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-28 04:16:54,670 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2021-12-28 04:16:54,670 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unpoison_urb [2021-12-28 04:16:54,670 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-12-28 04:16:54,670 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-12-28 04:16:54,670 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_devnode [2021-12-28 04:16:54,670 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_devnode [2021-12-28 04:16:54,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 04:16:54,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 04:16:54,671 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-28 04:16:54,671 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-28 04:16:54,671 INFO L130 BoogieDeclarations]: Found specification of procedure hid_submit_out [2021-12-28 04:16:54,671 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_submit_out [2021-12-28 04:16:54,671 INFO L130 BoogieDeclarations]: Found specification of procedure hid_resume_common [2021-12-28 04:16:54,671 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_resume_common [2021-12-28 04:16:54,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:16:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_thread_lock_of_hiddev_list [2021-12-28 04:16:54,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_thread_lock_of_hiddev_list [2021-12-28 04:16:54,672 INFO L130 BoogieDeclarations]: Found specification of procedure hid_output_report [2021-12-28 04:16:54,673 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_output_report [2021-12-28 04:16:54,673 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-28 04:16:54,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-28 04:16:54,673 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-28 04:16:54,673 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-28 04:16:54,673 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-28 04:16:54,674 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-28 04:16:54,674 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_power [2021-12-28 04:16:54,674 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_power [2021-12-28 04:16:54,674 INFO L130 BoogieDeclarations]: Found specification of procedure hid_free_buffers [2021-12-28 04:16:54,674 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_free_buffers [2021-12-28 04:16:54,674 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-28 04:16:54,674 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-28 04:16:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:16:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure hid_pidff_init [2021-12-28 04:16:54,675 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_pidff_init [2021-12-28 04:16:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure hid_find_max_report [2021-12-28 04:16:54,675 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_find_max_report [2021-12-28 04:16:54,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_existancelock_of_hiddev [2021-12-28 04:16:54,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_existancelock_of_hiddev [2021-12-28 04:16:54,676 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-28 04:16:54,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-28 04:16:54,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:16:54,676 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_autocenter [2021-12-28 04:16:54,676 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_autocenter [2021-12-28 04:16:54,676 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_request [2021-12-28 04:16:54,676 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_request [2021-12-28 04:16:54,676 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_ioctl [2021-12-28 04:16:54,676 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_ioctl [2021-12-28 04:16:54,677 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-12-28 04:16:54,677 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-12-28 04:16:54,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:16:54,677 INFO L130 BoogieDeclarations]: Found specification of procedure hid_submit_ctrl [2021-12-28 04:16:54,677 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_submit_ctrl [2021-12-28 04:16:54,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 04:16:54,678 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 04:16:54,678 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-28 04:16:54,678 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-28 04:16:54,678 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_idle [2021-12-28 04:16:54,678 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_idle [2021-12-28 04:16:54,678 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2021-12-28 04:16:54,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2021-12-28 04:16:54,679 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-28 04:16:54,679 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-28 04:16:54,679 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-28 04:16:54,679 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-28 04:16:54,679 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_restart_out_queue [2021-12-28 04:16:54,679 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_restart_out_queue [2021-12-28 04:16:54,679 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-28 04:16:54,679 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-28 04:16:54,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_thread_lock_of_hiddev_list [2021-12-28 04:16:54,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_thread_lock_of_hiddev_list [2021-12-28 04:16:54,680 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_parse [2021-12-28 04:16:54,680 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_parse [2021-12-28 04:16:54,680 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2021-12-28 04:16:54,680 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2021-12-28 04:16:54,680 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_wait_io [2021-12-28 04:16:54,681 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_wait_io [2021-12-28 04:16:54,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-28 04:16:54,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-28 04:16:54,681 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_put_power [2021-12-28 04:16:54,682 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_put_power [2021-12-28 04:16:54,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:16:54,683 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2021-12-28 04:16:54,683 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2021-12-28 04:16:54,684 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_poll [2021-12-28 04:16:54,684 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_poll [2021-12-28 04:16:54,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:16:54,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-28 04:16:54,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-28 04:16:54,686 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_check_autocenter [2021-12-28 04:16:54,690 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_check_autocenter [2021-12-28 04:16:54,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:16:54,690 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-28 04:16:54,690 INFO L130 BoogieDeclarations]: Found specification of procedure hid_cease_io [2021-12-28 04:16:54,690 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_cease_io [2021-12-28 04:16:54,690 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-28 04:16:54,690 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-28 04:16:54,690 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:16:54,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:16:54,701 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-28 04:16:54,702 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-28 04:16:54,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_hid_open_mut [2021-12-28 04:16:54,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_hid_open_mut [2021-12-28 04:16:54,702 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-28 04:16:54,702 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-28 04:16:54,702 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_wait [2021-12-28 04:16:54,702 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_wait [2021-12-28 04:16:54,702 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_special_keys [2021-12-28 04:16:54,703 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_special_keys [2021-12-28 04:16:54,703 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 04:16:54,703 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 04:16:54,703 INFO L130 BoogieDeclarations]: Found specification of procedure hid_start_in [2021-12-28 04:16:54,703 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_start_in [2021-12-28 04:16:54,703 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-28 04:16:54,703 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-28 04:16:54,703 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-28 04:16:54,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-28 04:16:54,704 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-28 04:16:54,704 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-28 04:16:54,704 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_fasync [2021-12-28 04:16:54,704 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_fasync [2021-12-28 04:16:54,704 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-12-28 04:16:54,704 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-12-28 04:16:54,704 INFO L130 BoogieDeclarations]: Found specification of procedure hid_io_error [2021-12-28 04:16:54,704 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_io_error [2021-12-28 04:16:54,704 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-28 04:16:54,704 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-28 04:16:54,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:16:54,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:16:54,705 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-28 04:16:54,705 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-28 04:16:54,705 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_request [2021-12-28 04:16:54,705 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_request [2021-12-28 04:16:54,705 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-28 04:16:54,705 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-28 04:16:54,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:16:54,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:16:54,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:16:54,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:16:54,706 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-28 04:16:54,706 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-28 04:16:54,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_7 [2021-12-28 04:16:54,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_7 [2021-12-28 04:16:54,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_existancelock_of_hiddev [2021-12-28 04:16:54,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_existancelock_of_hiddev [2021-12-28 04:16:54,707 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2021-12-28 04:16:54,707 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2021-12-28 04:16:54,707 INFO L130 BoogieDeclarations]: Found specification of procedure hid_cancel_delayed_stuff [2021-12-28 04:16:54,707 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_cancel_delayed_stuff [2021-12-28 04:16:54,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_hid_open_mut [2021-12-28 04:16:54,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_hid_open_mut [2021-12-28 04:16:54,707 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-28 04:16:54,707 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-28 04:16:54,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 04:16:54,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 04:16:54,708 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_no_suspend [2021-12-28 04:16:54,708 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_no_suspend [2021-12-28 04:16:54,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:16:54,708 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:16:54,708 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_lookup_report [2021-12-28 04:16:54,708 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_lookup_report [2021-12-28 04:16:54,708 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 04:16:54,708 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 04:16:54,708 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_no_resume [2021-12-28 04:16:54,709 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_no_resume [2021-12-28 04:16:54,709 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_output_report [2021-12-28 04:16:54,709 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_output_report [2021-12-28 04:16:54,709 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-28 04:16:54,709 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-28 04:16:54,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2021-12-28 04:16:54,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2021-12-28 04:16:54,709 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_disconnect [2021-12-28 04:16:54,709 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_disconnect [2021-12-28 04:16:54,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:16:54,710 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 04:16:54,710 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 04:16:54,710 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2021-12-28 04:16:54,710 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2021-12-28 04:16:54,710 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_submit_report [2021-12-28 04:16:54,710 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_submit_report [2021-12-28 04:16:54,710 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_mark_busy [2021-12-28 04:16:54,710 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_mark_busy [2021-12-28 04:16:54,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:16:54,711 INFO L130 BoogieDeclarations]: Found specification of procedure hid_set_idle [2021-12-28 04:16:54,711 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_set_idle [2021-12-28 04:16:54,711 INFO L130 BoogieDeclarations]: Found specification of procedure hid_destroy_device [2021-12-28 04:16:54,711 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_destroy_device [2021-12-28 04:16:54,711 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-12-28 04:16:54,711 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-12-28 04:16:54,711 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_open [2021-12-28 04:16:54,711 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_open [2021-12-28 04:16:54,712 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-28 04:16:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-28 04:16:54,712 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_rescale [2021-12-28 04:16:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_rescale [2021-12-28 04:16:54,712 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_set [2021-12-28 04:16:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_set [2021-12-28 04:16:54,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:16:54,712 INFO L130 BoogieDeclarations]: Found specification of procedure hid_reset_resume [2021-12-28 04:16:54,712 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_reset_resume [2021-12-28 04:16:54,713 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-28 04:16:54,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-28 04:16:54,713 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-28 04:16:54,713 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-28 04:16:54,713 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-28 04:16:54,713 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-28 04:16:54,713 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-28 04:16:54,714 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-28 04:16:54,716 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_close [2021-12-28 04:16:54,716 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_close [2021-12-28 04:16:54,716 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-28 04:16:54,716 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-28 04:16:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure hid_alloc_report_buf [2021-12-28 04:16:54,717 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_alloc_report_buf [2021-12-28 04:16:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_reports [2021-12-28 04:16:54,717 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_reports [2021-12-28 04:16:54,717 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-28 04:16:54,718 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-28 04:16:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_async [2021-12-28 04:16:54,718 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_async [2021-12-28 04:16:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_fields [2021-12-28 04:16:54,718 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_fields [2021-12-28 04:16:54,718 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-28 04:16:54,718 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-28 04:16:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_write [2021-12-28 04:16:54,719 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_write [2021-12-28 04:16:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_quirks_exit [2021-12-28 04:16:54,719 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_quirks_exit [2021-12-28 04:16:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-28 04:16:54,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-28 04:16:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-28 04:16:54,719 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-28 04:16:54,719 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2021-12-28 04:16:54,720 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2021-12-28 04:16:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_restart_queues [2021-12-28 04:16:54,720 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_restart_queues [2021-12-28 04:16:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-12-28 04:16:54,720 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-12-28 04:16:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 04:16:54,720 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 04:16:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:16:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure hid_device_io_stop [2021-12-28 04:16:54,720 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_device_io_stop [2021-12-28 04:16:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-28 04:16:54,721 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-28 04:16:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:16:54,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:16:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_restart_ctrl_queue [2021-12-28 04:16:54,721 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_restart_ctrl_queue [2021-12-28 04:16:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_start [2021-12-28 04:16:54,721 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_start [2021-12-28 04:16:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_reset [2021-12-28 04:16:54,722 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_reset [2021-12-28 04:16:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-28 04:16:54,722 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-28 04:16:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-28 04:16:54,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-28 04:16:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-28 04:16:54,722 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-28 04:16:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2021-12-28 04:16:54,722 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2021-12-28 04:16:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-28 04:16:54,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-28 04:16:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-28 04:16:54,723 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-28 04:16:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-28 04:16:54,723 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-28 04:16:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_lookup_quirk [2021-12-28 04:16:54,723 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_lookup_quirk [2021-12-28 04:16:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure hid_post_reset [2021-12-28 04:16:54,723 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_post_reset [2021-12-28 04:16:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_raw_request [2021-12-28 04:16:54,724 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_raw_request [2021-12-28 04:16:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-28 04:16:54,724 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-28 04:16:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_get_power [2021-12-28 04:16:54,724 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_get_power [2021-12-28 04:16:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:16:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2021-12-28 04:16:54,724 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2021-12-28 04:16:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2021-12-28 04:16:54,725 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2021-12-28 04:16:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure hid_resume [2021-12-28 04:16:54,725 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_resume [2021-12-28 04:16:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure hid_get_class_descriptor [2021-12-28 04:16:54,725 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_get_class_descriptor [2021-12-28 04:16:55,488 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:16:55,491 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:16:55,889 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:17:06,053 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:17:06,079 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:17:06,079 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 04:17:06,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:17:06 BoogieIcfgContainer [2021-12-28 04:17:06,084 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:17:06,086 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:17:06,086 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:17:06,088 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:17:06,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:16:50" (1/3) ... [2021-12-28 04:17:06,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55933f39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:17:06, skipping insertion in model container [2021-12-28 04:17:06,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:16:53" (2/3) ... [2021-12-28 04:17:06,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55933f39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:17:06, skipping insertion in model container [2021-12-28 04:17:06,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:17:06" (3/3) ... [2021-12-28 04:17:06,092 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i [2021-12-28 04:17:06,096 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:17:06,096 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 04:17:06,144 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:17:06,150 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 [2021-12-28 04:17:06,150 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 04:17:06,200 INFO L276 IsEmpty]: Start isEmpty. Operand has 2812 states, 1956 states have (on average 1.3732106339468302) internal successors, (2686), 2027 states have internal predecessors, (2686), 702 states have call successors, (702), 153 states have call predecessors, (702), 152 states have return successors, (693), 688 states have call predecessors, (693), 693 states have call successors, (693) [2021-12-28 04:17:06,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-12-28 04:17:06,220 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:17:06,221 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:17:06,221 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:17:06,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:17:06,225 INFO L85 PathProgramCache]: Analyzing trace with hash -2033859670, now seen corresponding path program 1 times [2021-12-28 04:17:06,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:17:06,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546214937] [2021-12-28 04:17:06,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:17:06,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:17:06,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:17:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:06,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:17:06,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:06,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:06,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:17:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:06,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:06,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:17:06,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:06,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:06,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:06,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:07,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 04:17:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:07,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:07,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:07,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-28 04:17:07,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:07,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:07,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-28 04:17:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:07,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:07,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:07,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-28 04:17:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:07,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:07,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:07,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-28 04:17:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:07,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:07,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:07,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-28 04:17:07,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:07,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:07,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-28 04:17:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:07,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:07,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:07,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-28 04:17:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:07,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:07,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-28 04:17:07,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:07,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:07,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:07,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-28 04:17:07,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:07,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:07,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-28 04:17:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:07,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:07,264 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2021-12-28 04:17:07,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:17:07,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546214937] [2021-12-28 04:17:07,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546214937] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:17:07,265 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:17:07,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:17:07,266 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625480032] [2021-12-28 04:17:07,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:17:07,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:17:07,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:17:07,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:17:07,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:17:07,297 INFO L87 Difference]: Start difference. First operand has 2812 states, 1956 states have (on average 1.3732106339468302) internal successors, (2686), 2027 states have internal predecessors, (2686), 702 states have call successors, (702), 153 states have call predecessors, (702), 152 states have return successors, (693), 688 states have call predecessors, (693), 693 states have call successors, (693) Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-28 04:17:17,421 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 [] [2021-12-28 04:17:19,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:17:19,192 INFO L93 Difference]: Finished difference Result 5942 states and 8888 transitions. [2021-12-28 04:17:19,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-28 04:17:19,194 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 209 [2021-12-28 04:17:19,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:17:19,239 INFO L225 Difference]: With dead ends: 5942 [2021-12-28 04:17:19,239 INFO L226 Difference]: Without dead ends: 3119 [2021-12-28 04:17:19,259 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:17:19,262 INFO L933 BasicCegarLoop]: 3796 mSDtfsCounter, 1739 mSDsluCounter, 4688 mSDsCounter, 0 mSdLazyCounter, 3496 mSolverCounterSat, 1737 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1814 SdHoareTripleChecker+Valid, 8484 SdHoareTripleChecker+Invalid, 5234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1737 IncrementalHoareTripleChecker+Valid, 3496 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2021-12-28 04:17:19,264 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1814 Valid, 8484 Invalid, 5234 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1737 Valid, 3496 Invalid, 1 Unknown, 0 Unchecked, 11.5s Time] [2021-12-28 04:17:19,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3119 states. [2021-12-28 04:17:19,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3119 to 2796. [2021-12-28 04:17:19,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2796 states, 1951 states have (on average 1.3680164018452077) internal successors, (2669), 2011 states have internal predecessors, (2669), 693 states have call successors, (693), 152 states have call predecessors, (693), 151 states have return successors, (681), 676 states have call predecessors, (681), 681 states have call successors, (681) [2021-12-28 04:17:19,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2796 states and 4043 transitions. [2021-12-28 04:17:19,448 INFO L78 Accepts]: Start accepts. Automaton has 2796 states and 4043 transitions. Word has length 209 [2021-12-28 04:17:19,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:17:19,448 INFO L470 AbstractCegarLoop]: Abstraction has 2796 states and 4043 transitions. [2021-12-28 04:17:19,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-28 04:17:19,449 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 4043 transitions. [2021-12-28 04:17:19,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-12-28 04:17:19,454 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:17:19,455 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:17:19,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:17:19,456 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:17:19,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:17:19,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1431916382, now seen corresponding path program 1 times [2021-12-28 04:17:19,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:17:19,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239175664] [2021-12-28 04:17:19,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:17:19,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:17:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:19,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:17:19,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:19,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:19,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:19,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:19,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:17:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:19,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:19,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:19,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:19,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:17:19,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:19,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:19,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:19,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:19,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:19,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:17:19,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:19,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:19,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:19,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:19,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 04:17:19,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:19,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:19,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:19,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-28 04:17:19,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:19,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:19,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:19,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-28 04:17:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:19,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:19,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:19,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-28 04:17:19,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:19,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:19,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:19,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-28 04:17:19,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:19,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:19,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:19,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-28 04:17:19,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:19,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:19,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:19,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-28 04:17:19,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:19,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:19,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:20,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-28 04:17:20,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:20,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:20,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-28 04:17:20,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:20,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:20,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:20,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-28 04:17:20,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:20,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:20,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:20,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-28 04:17:20,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:20,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:20,082 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2021-12-28 04:17:20,083 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:17:20,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239175664] [2021-12-28 04:17:20,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239175664] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:17:20,085 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:17:20,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:17:20,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553104464] [2021-12-28 04:17:20,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:17:20,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:17:20,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:17:20,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:17:20,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:17:20,088 INFO L87 Difference]: Start difference. First operand 2796 states and 4043 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2021-12-28 04:17:35,392 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:17:37,652 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:17:38,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:17:38,917 INFO L93 Difference]: Finished difference Result 8720 states and 12824 transitions. [2021-12-28 04:17:38,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:17:38,917 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 209 [2021-12-28 04:17:38,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:17:38,951 INFO L225 Difference]: With dead ends: 8720 [2021-12-28 04:17:38,951 INFO L226 Difference]: Without dead ends: 5959 [2021-12-28 04:17:38,965 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:17:38,965 INFO L933 BasicCegarLoop]: 4442 mSDtfsCounter, 6469 mSDsluCounter, 7586 mSDsCounter, 0 mSdLazyCounter, 6858 mSolverCounterSat, 3680 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6969 SdHoareTripleChecker+Valid, 12028 SdHoareTripleChecker+Invalid, 10539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3680 IncrementalHoareTripleChecker+Valid, 6858 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2021-12-28 04:17:38,966 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6969 Valid, 12028 Invalid, 10539 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3680 Valid, 6858 Invalid, 1 Unknown, 0 Unchecked, 18.3s Time] [2021-12-28 04:17:38,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5959 states. [2021-12-28 04:17:39,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5959 to 5293. [2021-12-28 04:17:39,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5293 states, 3703 states have (on average 1.3645692681609505) internal successors, (5053), 3809 states have internal predecessors, (5053), 1293 states have call successors, (1293), 297 states have call predecessors, (1293), 296 states have return successors, (1281), 1270 states have call predecessors, (1281), 1281 states have call successors, (1281) [2021-12-28 04:17:39,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5293 states to 5293 states and 7627 transitions. [2021-12-28 04:17:39,138 INFO L78 Accepts]: Start accepts. Automaton has 5293 states and 7627 transitions. Word has length 209 [2021-12-28 04:17:39,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:17:39,140 INFO L470 AbstractCegarLoop]: Abstraction has 5293 states and 7627 transitions. [2021-12-28 04:17:39,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2021-12-28 04:17:39,140 INFO L276 IsEmpty]: Start isEmpty. Operand 5293 states and 7627 transitions. [2021-12-28 04:17:39,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-12-28 04:17:39,143 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:17:39,144 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:17:39,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 04:17:39,144 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:17:39,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:17:39,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1991189126, now seen corresponding path program 1 times [2021-12-28 04:17:39,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:17:39,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211766091] [2021-12-28 04:17:39,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:17:39,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:17:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:39,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:17:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:39,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:39,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:39,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:39,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:17:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:39,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:39,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:39,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:17:39,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:39,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:39,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:39,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:39,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:17:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:39,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:39,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:17:39,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:39,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 04:17:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:39,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:39,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:39,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-28 04:17:39,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:39,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:39,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-28 04:17:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:39,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:39,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:39,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-28 04:17:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:39,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:39,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-28 04:17:39,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:39,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:39,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-28 04:17:39,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:39,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:39,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:39,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-28 04:17:39,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:39,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:39,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:39,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-28 04:17:39,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:39,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:39,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:39,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-28 04:17:39,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:39,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:39,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:39,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-28 04:17:39,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:39,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:39,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:39,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-28 04:17:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:39,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:17:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:17:39,709 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2021-12-28 04:17:39,709 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:17:39,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211766091] [2021-12-28 04:17:39,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211766091] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:17:39,710 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:17:39,710 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 04:17:39,710 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475160081] [2021-12-28 04:17:39,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:17:39,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 04:17:39,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:17:39,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 04:17:39,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-28 04:17:39,713 INFO L87 Difference]: Start difference. First operand 5293 states and 7627 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18)