./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 ff03de63 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-ff03de6 [2021-12-21 16:31:59,886 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 16:31:59,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 16:31:59,946 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 16:31:59,946 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 16:31:59,949 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 16:31:59,950 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 16:31:59,953 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 16:31:59,954 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 16:31:59,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 16:31:59,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 16:31:59,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 16:31:59,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 16:31:59,962 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 16:31:59,963 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 16:31:59,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 16:31:59,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 16:31:59,967 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 16:31:59,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 16:31:59,973 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 16:31:59,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 16:31:59,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 16:31:59,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 16:31:59,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 16:31:59,996 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 16:31:59,996 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 16:31:59,996 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 16:31:59,997 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 16:31:59,997 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 16:31:59,998 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 16:31:59,998 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 16:31:59,998 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 16:31:59,999 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 16:31:59,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 16:32:00,000 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 16:32:00,000 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 16:32:00,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 16:32:00,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 16:32:00,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 16:32:00,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 16:32:00,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 16:32:00,004 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 16:32:00,020 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 16:32:00,025 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 16:32:00,026 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 16:32:00,026 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 16:32:00,027 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 16:32:00,027 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 16:32:00,028 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 16:32:00,028 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 16:32:00,028 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 16:32:00,028 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 16:32:00,029 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 16:32:00,029 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 16:32:00,029 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 16:32:00,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 16:32:00,029 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 16:32:00,030 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 16:32:00,030 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 16:32:00,030 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 16:32:00,030 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 16:32:00,030 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 16:32:00,030 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 16:32:00,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:32:00,031 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 16:32:00,031 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 16:32:00,031 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 16:32:00,031 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 16:32:00,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 16:32:00,031 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 16:32:00,032 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 16:32:00,032 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 16:32:00,032 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 16:32:00,032 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce994d1a73c37780cf760e0a26dafcaa4c1158119509e83a0962528ef5890c5e [2021-12-21 16:32:00,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 16:32:00,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 16:32:00,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 16:32:00,273 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 16:32:00,274 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 16:32:00,281 INFO L432 ainManager$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 [2021-12-21 16:32:00,344 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b2f11c69/d3a110d040204f659f978b40ccbde1bf/FLAG969e62422 [2021-12-21 16:32:01,067 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 16:32:01,068 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 [2021-12-21 16:32:01,108 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b2f11c69/d3a110d040204f659f978b40ccbde1bf/FLAG969e62422 [2021-12-21 16:32:01,358 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b2f11c69/d3a110d040204f659f978b40ccbde1bf [2021-12-21 16:32:01,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 16:32:01,362 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 16:32:01,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 16:32:01,364 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 16:32:01,367 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 16:32:01,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:32:01" (1/1) ... [2021-12-21 16:32:01,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61097dcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:32:01, skipping insertion in model container [2021-12-21 16:32:01,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:32:01" (1/1) ... [2021-12-21 16:32:01,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 16:32:01,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:32:03,884 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] [2021-12-21 16:32:04,138 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:32:04,172 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 16:32:04,557 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] [2021-12-21 16:32:04,570 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:32:04,687 INFO L208 MainTranslator]: Completed translation [2021-12-21 16:32:04,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:32:04 WrapperNode [2021-12-21 16:32:04,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 16:32:04,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 16:32:04,690 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 16:32:04,690 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 16:32:04,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:32:04" (1/1) ... [2021-12-21 16:32:04,781 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:32:04" (1/1) ... [2021-12-21 16:32:04,934 INFO L137 Inliner]: procedures = 495, calls = 4443, calls flagged for inlining = 161, calls inlined = 145, statements flattened = 7921 [2021-12-21 16:32:04,935 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 16:32:04,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 16:32:04,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 16:32:04,936 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 16:32:04,942 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:32:04" (1/1) ... [2021-12-21 16:32:04,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:32:04" (1/1) ... [2021-12-21 16:32:04,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:32:04" (1/1) ... [2021-12-21 16:32:04,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:32:04" (1/1) ... [2021-12-21 16:32:05,177 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:32:04" (1/1) ... [2021-12-21 16:32:05,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:32:04" (1/1) ... [2021-12-21 16:32:05,239 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:32:04" (1/1) ... [2021-12-21 16:32:05,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 16:32:05,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 16:32:05,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 16:32:05,283 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 16:32:05,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:32:04" (1/1) ... [2021-12-21 16:32:05,289 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:32:05,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:32:05,310 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) [2021-12-21 16:32:05,337 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 [2021-12-21 16:32:05,354 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-21 16:32:05,354 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-21 16:32:05,354 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-21 16:32:05,354 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_request_effect_upload [2021-12-21 16:32:05,354 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_request_effect_upload [2021-12-21 16:32:05,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 16:32:05,354 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 16:32:05,355 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-12-21 16:32:05,355 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-12-21 16:32:05,355 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_playback_pid [2021-12-21 16:32:05,355 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_playback_pid [2021-12-21 16:32:05,355 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_special_field [2021-12-21 16:32:05,355 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_special_field [2021-12-21 16:32:05,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 16:32:05,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 16:32:05,355 INFO L130 BoogieDeclarations]: Found specification of procedure hid_reset [2021-12-21 16:32:05,356 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_reset [2021-12-21 16:32:05,356 INFO L130 BoogieDeclarations]: Found specification of procedure usb_block_urb [2021-12-21 16:32:05,356 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_block_urb [2021-12-21 16:32:05,356 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-21 16:32:05,356 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-21 16:32:05,356 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_check_usage [2021-12-21 16:32:05,356 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_check_usage [2021-12-21 16:32:05,356 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2021-12-21 16:32:05,356 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2021-12-21 16:32:05,357 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_get_extra_descriptor [2021-12-21 16:32:05,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_get_extra_descriptor [2021-12-21 16:32:05,357 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_init_reports [2021-12-21 16:32:05,357 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_init_reports [2021-12-21 16:32:05,357 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-12-21 16:32:05,357 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-12-21 16:32:05,357 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-21 16:32:05,357 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-21 16:32:05,357 INFO L130 BoogieDeclarations]: Found specification of procedure hid_suspend [2021-12-21 16:32:05,358 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_suspend [2021-12-21 16:32:05,358 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_erase_pid [2021-12-21 16:32:05,358 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_erase_pid [2021-12-21 16:32:05,358 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-21 16:32:05,358 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-21 16:32:05,358 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-21 16:32:05,359 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2021-12-21 16:32:05,359 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unpoison_urb [2021-12-21 16:32:05,359 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-12-21 16:32:05,359 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-12-21 16:32:05,359 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_devnode [2021-12-21 16:32:05,359 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_devnode [2021-12-21 16:32:05,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-21 16:32:05,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-21 16:32:05,360 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-21 16:32:05,360 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-21 16:32:05,360 INFO L130 BoogieDeclarations]: Found specification of procedure hid_submit_out [2021-12-21 16:32:05,360 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_submit_out [2021-12-21 16:32:05,360 INFO L130 BoogieDeclarations]: Found specification of procedure hid_resume_common [2021-12-21 16:32:05,360 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_resume_common [2021-12-21 16:32:05,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 16:32:05,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_thread_lock_of_hiddev_list [2021-12-21 16:32:05,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_thread_lock_of_hiddev_list [2021-12-21 16:32:05,362 INFO L130 BoogieDeclarations]: Found specification of procedure hid_output_report [2021-12-21 16:32:05,362 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_output_report [2021-12-21 16:32:05,362 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-21 16:32:05,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-21 16:32:05,363 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-21 16:32:05,363 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-21 16:32:05,363 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-21 16:32:05,363 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-21 16:32:05,363 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_power [2021-12-21 16:32:05,363 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_power [2021-12-21 16:32:05,363 INFO L130 BoogieDeclarations]: Found specification of procedure hid_free_buffers [2021-12-21 16:32:05,363 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_free_buffers [2021-12-21 16:32:05,363 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-21 16:32:05,363 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-21 16:32:05,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 16:32:05,364 INFO L130 BoogieDeclarations]: Found specification of procedure hid_pidff_init [2021-12-21 16:32:05,364 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_pidff_init [2021-12-21 16:32:05,364 INFO L130 BoogieDeclarations]: Found specification of procedure hid_find_max_report [2021-12-21 16:32:05,364 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_find_max_report [2021-12-21 16:32:05,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_existancelock_of_hiddev [2021-12-21 16:32:05,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_existancelock_of_hiddev [2021-12-21 16:32:05,365 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-21 16:32:05,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-21 16:32:05,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 16:32:05,365 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_autocenter [2021-12-21 16:32:05,365 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_autocenter [2021-12-21 16:32:05,365 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_request [2021-12-21 16:32:05,365 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_request [2021-12-21 16:32:05,366 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_ioctl [2021-12-21 16:32:05,366 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_ioctl [2021-12-21 16:32:05,366 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-12-21 16:32:05,366 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-12-21 16:32:05,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 16:32:05,366 INFO L130 BoogieDeclarations]: Found specification of procedure hid_submit_ctrl [2021-12-21 16:32:05,367 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_submit_ctrl [2021-12-21 16:32:05,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 16:32:05,367 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 16:32:05,367 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-21 16:32:05,367 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-21 16:32:05,368 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_idle [2021-12-21 16:32:05,368 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_idle [2021-12-21 16:32:05,368 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2021-12-21 16:32:05,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2021-12-21 16:32:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-21 16:32:05,369 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-21 16:32:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-21 16:32:05,369 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-21 16:32:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_restart_out_queue [2021-12-21 16:32:05,369 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_restart_out_queue [2021-12-21 16:32:05,369 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-21 16:32:05,369 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-21 16:32:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_thread_lock_of_hiddev_list [2021-12-21 16:32:05,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_thread_lock_of_hiddev_list [2021-12-21 16:32:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_parse [2021-12-21 16:32:05,370 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_parse [2021-12-21 16:32:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2021-12-21 16:32:05,370 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2021-12-21 16:32:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_wait_io [2021-12-21 16:32:05,370 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_wait_io [2021-12-21 16:32:05,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-21 16:32:05,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-21 16:32:05,371 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_put_power [2021-12-21 16:32:05,373 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_put_power [2021-12-21 16:32:05,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 16:32:05,373 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2021-12-21 16:32:05,373 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2021-12-21 16:32:05,374 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_poll [2021-12-21 16:32:05,375 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_poll [2021-12-21 16:32:05,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 16:32:05,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-21 16:32:05,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-21 16:32:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_check_autocenter [2021-12-21 16:32:05,379 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_check_autocenter [2021-12-21 16:32:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 16:32:05,379 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-21 16:32:05,380 INFO L130 BoogieDeclarations]: Found specification of procedure hid_cease_io [2021-12-21 16:32:05,380 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_cease_io [2021-12-21 16:32:05,380 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-21 16:32:05,380 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-21 16:32:05,380 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-21 16:32:05,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-21 16:32:05,380 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-21 16:32:05,380 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-21 16:32:05,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_hid_open_mut [2021-12-21 16:32:05,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_hid_open_mut [2021-12-21 16:32:05,380 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-21 16:32:05,381 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-21 16:32:05,381 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_wait [2021-12-21 16:32:05,381 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_wait [2021-12-21 16:32:05,381 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_special_keys [2021-12-21 16:32:05,381 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_special_keys [2021-12-21 16:32:05,381 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-21 16:32:05,381 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-21 16:32:05,381 INFO L130 BoogieDeclarations]: Found specification of procedure hid_start_in [2021-12-21 16:32:05,381 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_start_in [2021-12-21 16:32:05,381 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-21 16:32:05,382 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-21 16:32:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-21 16:32:05,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-21 16:32:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-21 16:32:05,382 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-21 16:32:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_fasync [2021-12-21 16:32:05,382 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_fasync [2021-12-21 16:32:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-12-21 16:32:05,382 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-12-21 16:32:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure hid_io_error [2021-12-21 16:32:05,382 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_io_error [2021-12-21 16:32:05,383 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-21 16:32:05,383 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-21 16:32:05,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 16:32:05,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 16:32:05,383 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-21 16:32:05,383 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-21 16:32:05,383 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_request [2021-12-21 16:32:05,383 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_request [2021-12-21 16:32:05,383 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-21 16:32:05,383 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-21 16:32:05,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 16:32:05,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 16:32:05,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 16:32:05,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 16:32:05,384 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-21 16:32:05,384 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-21 16:32:05,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_7 [2021-12-21 16:32:05,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_7 [2021-12-21 16:32:05,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_existancelock_of_hiddev [2021-12-21 16:32:05,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_existancelock_of_hiddev [2021-12-21 16:32:05,385 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2021-12-21 16:32:05,385 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2021-12-21 16:32:05,385 INFO L130 BoogieDeclarations]: Found specification of procedure hid_cancel_delayed_stuff [2021-12-21 16:32:05,385 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_cancel_delayed_stuff [2021-12-21 16:32:05,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_hid_open_mut [2021-12-21 16:32:05,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_hid_open_mut [2021-12-21 16:32:05,385 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-21 16:32:05,385 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-21 16:32:05,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-21 16:32:05,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-21 16:32:05,386 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_no_suspend [2021-12-21 16:32:05,386 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_no_suspend [2021-12-21 16:32:05,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 16:32:05,386 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 16:32:05,386 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_lookup_report [2021-12-21 16:32:05,386 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_lookup_report [2021-12-21 16:32:05,386 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 16:32:05,386 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 16:32:05,386 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_no_resume [2021-12-21 16:32:05,386 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_no_resume [2021-12-21 16:32:05,386 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_output_report [2021-12-21 16:32:05,387 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_output_report [2021-12-21 16:32:05,387 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-21 16:32:05,387 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-21 16:32:05,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2021-12-21 16:32:05,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2021-12-21 16:32:05,387 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_disconnect [2021-12-21 16:32:05,387 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_disconnect [2021-12-21 16:32:05,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 16:32:05,387 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-21 16:32:05,387 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-21 16:32:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2021-12-21 16:32:05,388 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2021-12-21 16:32:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_submit_report [2021-12-21 16:32:05,388 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_submit_report [2021-12-21 16:32:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_mark_busy [2021-12-21 16:32:05,388 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_mark_busy [2021-12-21 16:32:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 16:32:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure hid_set_idle [2021-12-21 16:32:05,388 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_set_idle [2021-12-21 16:32:05,388 INFO L130 BoogieDeclarations]: Found specification of procedure hid_destroy_device [2021-12-21 16:32:05,389 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_destroy_device [2021-12-21 16:32:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-12-21 16:32:05,389 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-12-21 16:32:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_open [2021-12-21 16:32:05,389 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_open [2021-12-21 16:32:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-21 16:32:05,389 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-21 16:32:05,389 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_rescale [2021-12-21 16:32:05,389 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_rescale [2021-12-21 16:32:05,390 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_set [2021-12-21 16:32:05,390 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_set [2021-12-21 16:32:05,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 16:32:05,390 INFO L130 BoogieDeclarations]: Found specification of procedure hid_reset_resume [2021-12-21 16:32:05,390 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_reset_resume [2021-12-21 16:32:05,390 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-21 16:32:05,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-21 16:32:05,390 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-21 16:32:05,390 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-21 16:32:05,391 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-21 16:32:05,391 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-21 16:32:05,392 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-21 16:32:05,394 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-21 16:32:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_close [2021-12-21 16:32:05,394 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_close [2021-12-21 16:32:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-21 16:32:05,394 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-21 16:32:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure hid_alloc_report_buf [2021-12-21 16:32:05,394 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_alloc_report_buf [2021-12-21 16:32:05,394 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_reports [2021-12-21 16:32:05,394 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_reports [2021-12-21 16:32:05,395 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-21 16:32:05,395 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-21 16:32:05,396 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_async [2021-12-21 16:32:05,396 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_async [2021-12-21 16:32:05,396 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_fields [2021-12-21 16:32:05,396 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_fields [2021-12-21 16:32:05,396 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-21 16:32:05,396 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-21 16:32:05,396 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_write [2021-12-21 16:32:05,396 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_write [2021-12-21 16:32:05,396 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_quirks_exit [2021-12-21 16:32:05,396 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_quirks_exit [2021-12-21 16:32:05,396 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-21 16:32:05,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-21 16:32:05,397 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-21 16:32:05,397 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-21 16:32:05,397 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2021-12-21 16:32:05,397 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2021-12-21 16:32:05,397 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_restart_queues [2021-12-21 16:32:05,397 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_restart_queues [2021-12-21 16:32:05,397 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-12-21 16:32:05,397 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-12-21 16:32:05,397 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 16:32:05,397 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 16:32:05,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 16:32:05,398 INFO L130 BoogieDeclarations]: Found specification of procedure hid_device_io_stop [2021-12-21 16:32:05,398 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_device_io_stop [2021-12-21 16:32:05,398 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-21 16:32:05,398 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-21 16:32:05,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 16:32:05,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 16:32:05,398 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_restart_ctrl_queue [2021-12-21 16:32:05,398 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_restart_ctrl_queue [2021-12-21 16:32:05,398 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_start [2021-12-21 16:32:05,398 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_start [2021-12-21 16:32:05,399 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_reset [2021-12-21 16:32:05,399 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_reset [2021-12-21 16:32:05,399 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-21 16:32:05,399 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-21 16:32:05,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-21 16:32:05,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-21 16:32:05,399 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-21 16:32:05,399 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-21 16:32:05,399 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2021-12-21 16:32:05,399 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2021-12-21 16:32:05,399 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-21 16:32:05,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-21 16:32:05,400 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-21 16:32:05,400 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-21 16:32:05,400 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-21 16:32:05,400 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-21 16:32:05,400 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_lookup_quirk [2021-12-21 16:32:05,400 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_lookup_quirk [2021-12-21 16:32:05,400 INFO L130 BoogieDeclarations]: Found specification of procedure hid_post_reset [2021-12-21 16:32:05,400 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_post_reset [2021-12-21 16:32:05,400 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_raw_request [2021-12-21 16:32:05,400 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_raw_request [2021-12-21 16:32:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-21 16:32:05,401 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-21 16:32:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_get_power [2021-12-21 16:32:05,401 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_get_power [2021-12-21 16:32:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 16:32:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2021-12-21 16:32:05,401 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2021-12-21 16:32:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2021-12-21 16:32:05,401 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2021-12-21 16:32:05,401 INFO L130 BoogieDeclarations]: Found specification of procedure hid_resume [2021-12-21 16:32:05,401 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_resume [2021-12-21 16:32:05,402 INFO L130 BoogieDeclarations]: Found specification of procedure hid_get_class_descriptor [2021-12-21 16:32:05,402 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_get_class_descriptor [2021-12-21 16:32:06,204 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 16:32:06,206 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 16:32:06,606 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 16:32:18,030 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 16:32:18,046 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 16:32:18,047 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 16:32:18,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:32:18 BoogieIcfgContainer [2021-12-21 16:32:18,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 16:32:18,053 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 16:32:18,053 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 16:32:18,055 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 16:32:18,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 04:32:01" (1/3) ... [2021-12-21 16:32:18,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b461e41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:32:18, skipping insertion in model container [2021-12-21 16:32:18,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:32:04" (2/3) ... [2021-12-21 16:32:18,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b461e41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:32:18, skipping insertion in model container [2021-12-21 16:32:18,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:32:18" (3/3) ... [2021-12-21 16:32:18,058 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i [2021-12-21 16:32:18,062 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 16:32:18,062 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 16:32:18,115 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 16:32:18,123 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 [2021-12-21 16:32:18,124 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 16:32:18,177 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) [2021-12-21 16:32:18,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-12-21 16:32:18,195 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:32:18,209 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] [2021-12-21 16:32:18,209 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:32:18,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:32:18,213 INFO L85 PathProgramCache]: Analyzing trace with hash -2033859670, now seen corresponding path program 1 times [2021-12-21 16:32:18,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:32:18,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837581192] [2021-12-21 16:32:18,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:32:18,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:32:18,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:18,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:32:18,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:18,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:18,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:32:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:18,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:32:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:18,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:18,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:18,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:32:18,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:18,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:32:18,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:18,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:18,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:18,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:32:18,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:18,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:32:18,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:18,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:18,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:18,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:32:18,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:18,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 16:32:18,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:19,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 16:32:19,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:19,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-21 16:32:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-21 16:32:19,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:19,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-21 16:32:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:19,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-21 16:32:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-21 16:32:19,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:19,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 16:32:19,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:19,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-21 16:32:19,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:19,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-21 16:32:19,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-21 16:32:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:19,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:19,277 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2021-12-21 16:32:19,280 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:32:19,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837581192] [2021-12-21 16:32:19,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837581192] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:32:19,281 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:32:19,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 16:32:19,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910030802] [2021-12-21 16:32:19,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:32:19,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 16:32:19,287 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:32:19,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 16:32:19,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 16:32:19,317 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) [2021-12-21 16:32:28,984 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:32:31,592 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 [] [2021-12-21 16:32:32,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:32:32,240 INFO L93 Difference]: Finished difference Result 5942 states and 8888 transitions. [2021-12-21 16:32:32,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 16:32:32,243 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 [2021-12-21 16:32:32,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:32:32,289 INFO L225 Difference]: With dead ends: 5942 [2021-12-21 16:32:32,290 INFO L226 Difference]: Without dead ends: 3119 [2021-12-21 16:32:32,306 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 [2021-12-21 16:32:32,310 INFO L933 BasicCegarLoop]: 3791 mSDtfsCounter, 1739 mSDsluCounter, 4673 mSDsCounter, 0 mSdLazyCounter, 3502 mSolverCounterSat, 1737 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1813 SdHoareTripleChecker+Valid, 8464 SdHoareTripleChecker+Invalid, 5240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1737 IncrementalHoareTripleChecker+Valid, 3502 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2021-12-21 16:32:32,311 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1813 Valid, 8464 Invalid, 5240 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1737 Valid, 3502 Invalid, 1 Unknown, 0 Unchecked, 12.4s Time] [2021-12-21 16:32:32,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3119 states. [2021-12-21 16:32:32,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3119 to 2796. [2021-12-21 16:32:32,472 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) [2021-12-21 16:32:32,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2796 states and 4043 transitions. [2021-12-21 16:32:32,492 INFO L78 Accepts]: Start accepts. Automaton has 2796 states and 4043 transitions. Word has length 209 [2021-12-21 16:32:32,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:32:32,492 INFO L470 AbstractCegarLoop]: Abstraction has 2796 states and 4043 transitions. [2021-12-21 16:32:32,493 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) [2021-12-21 16:32:32,493 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 4043 transitions. [2021-12-21 16:32:32,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-12-21 16:32:32,500 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:32:32,500 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] [2021-12-21 16:32:32,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 16:32:32,502 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:32:32,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:32:32,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1431916382, now seen corresponding path program 1 times [2021-12-21 16:32:32,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:32:32,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646259222] [2021-12-21 16:32:32,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:32:32,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:32:32,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:32,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:32:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:32,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:32,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:32,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:32:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:32,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:32:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:32,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:32,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:32,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:32:32,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:32,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:32:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:32,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:32,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:32:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:32,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:32:32,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:32,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:32,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:32:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:32,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 16:32:32,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:32,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:32,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 16:32:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:32,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:32,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-21 16:32:32,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:32,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:32,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:32,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-21 16:32:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:32,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:32,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-21 16:32:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:32,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:32,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:32,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-21 16:32:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:33,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:33,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-21 16:32:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:33,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:33,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 16:32:33,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:33,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:33,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:33,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-21 16:32:33,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:33,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:33,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:33,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-21 16:32:33,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:33,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:33,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:33,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-21 16:32:33,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:33,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:33,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:33,090 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2021-12-21 16:32:33,090 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:32:33,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646259222] [2021-12-21 16:32:33,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646259222] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:32:33,091 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:32:33,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:32:33,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111343261] [2021-12-21 16:32:33,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:32:33,095 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:32:33,095 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:32:33,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:32:33,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:32:33,096 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) [2021-12-21 16:32:49,869 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:32:53,333 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:32:54,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:32:54,714 INFO L93 Difference]: Finished difference Result 8720 states and 12824 transitions. [2021-12-21 16:32:54,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 16:32:54,714 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 [2021-12-21 16:32:54,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:32:54,751 INFO L225 Difference]: With dead ends: 8720 [2021-12-21 16:32:54,752 INFO L226 Difference]: Without dead ends: 5959 [2021-12-21 16:32:54,767 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 [2021-12-21 16:32:54,769 INFO L933 BasicCegarLoop]: 4451 mSDtfsCounter, 6465 mSDsluCounter, 8088 mSDsCounter, 0 mSdLazyCounter, 6370 mSolverCounterSat, 3677 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6961 SdHoareTripleChecker+Valid, 12539 SdHoareTripleChecker+Invalid, 10049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3677 IncrementalHoareTripleChecker+Valid, 6370 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.0s IncrementalHoareTripleChecker+Time [2021-12-21 16:32:54,769 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6961 Valid, 12539 Invalid, 10049 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3677 Valid, 6370 Invalid, 2 Unknown, 0 Unchecked, 21.0s Time] [2021-12-21 16:32:54,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5959 states. [2021-12-21 16:32:54,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5959 to 5293. [2021-12-21 16:32:54,994 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) [2021-12-21 16:32:55,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5293 states to 5293 states and 7627 transitions. [2021-12-21 16:32:55,018 INFO L78 Accepts]: Start accepts. Automaton has 5293 states and 7627 transitions. Word has length 209 [2021-12-21 16:32:55,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:32:55,020 INFO L470 AbstractCegarLoop]: Abstraction has 5293 states and 7627 transitions. [2021-12-21 16:32:55,020 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) [2021-12-21 16:32:55,020 INFO L276 IsEmpty]: Start isEmpty. Operand 5293 states and 7627 transitions. [2021-12-21 16:32:55,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-12-21 16:32:55,023 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:32:55,023 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] [2021-12-21 16:32:55,023 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 16:32:55,024 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:32:55,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:32:55,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1991189126, now seen corresponding path program 1 times [2021-12-21 16:32:55,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:32:55,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566676509] [2021-12-21 16:32:55,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:32:55,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:32:55,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:55,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:32:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:55,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:55,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:32:55,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:55,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:32:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:55,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:55,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:32:55,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:55,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:32:55,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:55,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:55,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:32:55,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:55,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:32:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:55,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:55,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:32:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:55,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-21 16:32:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:55,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:55,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-21 16:32:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:55,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:55,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:55,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-21 16:32:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:55,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:55,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-21 16:32:55,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:55,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:55,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:55,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-21 16:32:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:55,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:55,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-21 16:32:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:55,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:55,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-21 16:32:55,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:55,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:55,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 16:32:55,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:55,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:55,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-21 16:32:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:55,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:55,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-21 16:32:55,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:55,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:55,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:55,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-21 16:32:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:55,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:32:55,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:32:55,639 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2021-12-21 16:32:55,639 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:32:55,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566676509] [2021-12-21 16:32:55,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566676509] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:32:55,640 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:32:55,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 16:32:55,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102158592] [2021-12-21 16:32:55,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:32:55,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 16:32:55,641 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:32:55,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 16:32:55,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-21 16:32:55,642 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)