./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:04:35,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:04:35,682 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:04:35,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:04:35,718 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:04:35,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:04:35,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:04:35,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:04:35,727 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:04:35,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:04:35,729 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:04:35,730 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:04:35,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:04:35,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:04:35,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:04:35,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:04:35,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:04:35,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:04:35,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:04:35,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:04:35,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:04:35,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:04:35,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:04:35,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:04:35,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:04:35,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:04:35,753 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:04:35,754 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:04:35,755 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:04:35,756 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:04:35,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:04:35,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:04:35,758 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:04:35,758 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:04:35,759 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:04:35,760 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:04:35,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:04:35,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:04:35,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:04:35,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:04:35,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:04:35,762 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:04:35,792 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:04:35,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:04:35,793 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:04:35,793 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:04:35,794 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:04:35,794 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:04:35,794 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:04:35,794 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:04:35,795 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:04:35,795 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:04:35,795 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:04:35,796 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:04:35,796 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:04:35,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:04:35,796 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:04:35,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:04:35,796 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:04:35,796 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:04:35,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:04:35,797 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:04:35,797 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:04:35,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:04:35,797 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:04:35,797 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:04:35,797 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:04:35,798 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:04:35,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:04:35,798 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:04:35,798 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:04:35,798 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:04:35,798 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:04:35,798 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce994d1a73c37780cf760e0a26dafcaa4c1158119509e83a0962528ef5890c5e [2021-12-14 18:04:35,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:04:36,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:04:36,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:04:36,020 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:04:36,021 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:04:36,022 INFO L432 ainManager$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 [2021-12-14 18:04:36,070 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/336792db6/6b2bcd113919441698b848dd764a54a2/FLAG496e5c516 [2021-12-14 18:04:36,735 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:04:36,735 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 [2021-12-14 18:04:36,789 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/336792db6/6b2bcd113919441698b848dd764a54a2/FLAG496e5c516 [2021-12-14 18:04:37,096 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/336792db6/6b2bcd113919441698b848dd764a54a2 [2021-12-14 18:04:37,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:04:37,099 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:04:37,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:04:37,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:04:37,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:04:37,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:04:37" (1/1) ... [2021-12-14 18:04:37,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73e4b6b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:04:37, skipping insertion in model container [2021-12-14 18:04:37,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:04:37" (1/1) ... [2021-12-14 18:04:37,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:04:37,211 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:04:39,573 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] [2021-12-14 18:04:39,838 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:04:39,872 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:04:40,210 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] [2021-12-14 18:04:40,219 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:04:40,339 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:04:40,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:04:40 WrapperNode [2021-12-14 18:04:40,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:04:40,342 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:04:40,342 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:04:40,342 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:04:40,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:04:40" (1/1) ... [2021-12-14 18:04:40,426 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:04:40" (1/1) ... [2021-12-14 18:04:40,621 INFO L137 Inliner]: procedures = 495, calls = 4443, calls flagged for inlining = 161, calls inlined = 145, statements flattened = 7921 [2021-12-14 18:04:40,622 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:04:40,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:04:40,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:04:40,623 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:04:40,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:04:40" (1/1) ... [2021-12-14 18:04:40,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:04:40" (1/1) ... [2021-12-14 18:04:40,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:04:40" (1/1) ... [2021-12-14 18:04:40,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:04:40" (1/1) ... [2021-12-14 18:04:40,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:04:40" (1/1) ... [2021-12-14 18:04:40,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:04:40" (1/1) ... [2021-12-14 18:04:40,875 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:04:40" (1/1) ... [2021-12-14 18:04:40,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:04:40,904 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:04:40,905 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:04:40,905 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:04:40,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:04:40" (1/1) ... [2021-12-14 18:04:40,923 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:04:40,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:04:40,989 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 18:04:41,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 18:04:41,041 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-14 18:04:41,041 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-14 18:04:41,042 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-14 18:04:41,042 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_request_effect_upload [2021-12-14 18:04:41,042 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_request_effect_upload [2021-12-14 18:04:41,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:04:41,042 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:04:41,042 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-12-14 18:04:41,042 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-12-14 18:04:41,042 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_playback_pid [2021-12-14 18:04:41,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_playback_pid [2021-12-14 18:04:41,043 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_special_field [2021-12-14 18:04:41,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_special_field [2021-12-14 18:04:41,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:04:41,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:04:41,043 INFO L130 BoogieDeclarations]: Found specification of procedure hid_reset [2021-12-14 18:04:41,043 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_reset [2021-12-14 18:04:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure usb_block_urb [2021-12-14 18:04:41,044 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_block_urb [2021-12-14 18:04:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-14 18:04:41,044 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-14 18:04:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_check_usage [2021-12-14 18:04:41,044 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_check_usage [2021-12-14 18:04:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2021-12-14 18:04:41,044 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2021-12-14 18:04:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_get_extra_descriptor [2021-12-14 18:04:41,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_get_extra_descriptor [2021-12-14 18:04:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_init_reports [2021-12-14 18:04:41,045 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_init_reports [2021-12-14 18:04:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-12-14 18:04:41,045 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-12-14 18:04:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-14 18:04:41,045 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-14 18:04:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure hid_suspend [2021-12-14 18:04:41,046 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_suspend [2021-12-14 18:04:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_erase_pid [2021-12-14 18:04:41,046 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_erase_pid [2021-12-14 18:04:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 18:04:41,046 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 18:04:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-14 18:04:41,047 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2021-12-14 18:04:41,047 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unpoison_urb [2021-12-14 18:04:41,047 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-12-14 18:04:41,047 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-12-14 18:04:41,047 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_devnode [2021-12-14 18:04:41,047 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_devnode [2021-12-14 18:04:41,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 18:04:41,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 18:04:41,048 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 18:04:41,048 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 18:04:41,048 INFO L130 BoogieDeclarations]: Found specification of procedure hid_submit_out [2021-12-14 18:04:41,048 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_submit_out [2021-12-14 18:04:41,048 INFO L130 BoogieDeclarations]: Found specification of procedure hid_resume_common [2021-12-14 18:04:41,048 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_resume_common [2021-12-14 18:04:41,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:04:41,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_thread_lock_of_hiddev_list [2021-12-14 18:04:41,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_thread_lock_of_hiddev_list [2021-12-14 18:04:41,049 INFO L130 BoogieDeclarations]: Found specification of procedure hid_output_report [2021-12-14 18:04:41,049 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_output_report [2021-12-14 18:04:41,049 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-14 18:04:41,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-14 18:04:41,049 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-14 18:04:41,049 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-14 18:04:41,050 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-14 18:04:41,050 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-14 18:04:41,050 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_power [2021-12-14 18:04:41,050 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_power [2021-12-14 18:04:41,050 INFO L130 BoogieDeclarations]: Found specification of procedure hid_free_buffers [2021-12-14 18:04:41,050 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_free_buffers [2021-12-14 18:04:41,050 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-14 18:04:41,050 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-14 18:04:41,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:04:41,051 INFO L130 BoogieDeclarations]: Found specification of procedure hid_pidff_init [2021-12-14 18:04:41,051 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_pidff_init [2021-12-14 18:04:41,051 INFO L130 BoogieDeclarations]: Found specification of procedure hid_find_max_report [2021-12-14 18:04:41,051 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_find_max_report [2021-12-14 18:04:41,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_existancelock_of_hiddev [2021-12-14 18:04:41,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_existancelock_of_hiddev [2021-12-14 18:04:41,056 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-14 18:04:41,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-14 18:04:41,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:04:41,056 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_autocenter [2021-12-14 18:04:41,056 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_autocenter [2021-12-14 18:04:41,056 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_request [2021-12-14 18:04:41,057 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_request [2021-12-14 18:04:41,057 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_ioctl [2021-12-14 18:04:41,057 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_ioctl [2021-12-14 18:04:41,057 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-12-14 18:04:41,057 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-12-14 18:04:41,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:04:41,057 INFO L130 BoogieDeclarations]: Found specification of procedure hid_submit_ctrl [2021-12-14 18:04:41,057 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_submit_ctrl [2021-12-14 18:04:41,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 18:04:41,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 18:04:41,058 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-14 18:04:41,058 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-14 18:04:41,058 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_idle [2021-12-14 18:04:41,058 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_idle [2021-12-14 18:04:41,058 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2021-12-14 18:04:41,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2021-12-14 18:04:41,059 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-14 18:04:41,059 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-14 18:04:41,059 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-14 18:04:41,059 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-14 18:04:41,059 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_restart_out_queue [2021-12-14 18:04:41,059 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_restart_out_queue [2021-12-14 18:04:41,059 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-14 18:04:41,059 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-14 18:04:41,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_thread_lock_of_hiddev_list [2021-12-14 18:04:41,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_thread_lock_of_hiddev_list [2021-12-14 18:04:41,060 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_parse [2021-12-14 18:04:41,060 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_parse [2021-12-14 18:04:41,060 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2021-12-14 18:04:41,060 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2021-12-14 18:04:41,060 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_wait_io [2021-12-14 18:04:41,075 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_wait_io [2021-12-14 18:04:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-14 18:04:41,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-14 18:04:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_put_power [2021-12-14 18:04:41,076 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_put_power [2021-12-14 18:04:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:04:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2021-12-14 18:04:41,076 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2021-12-14 18:04:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_poll [2021-12-14 18:04:41,076 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_poll [2021-12-14 18:04:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:04:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-14 18:04:41,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-14 18:04:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_check_autocenter [2021-12-14 18:04:41,077 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_check_autocenter [2021-12-14 18:04:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:04:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-14 18:04:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure hid_cease_io [2021-12-14 18:04:41,077 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_cease_io [2021-12-14 18:04:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-14 18:04:41,077 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-14 18:04:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-14 18:04:41,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-14 18:04:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-14 18:04:41,077 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-14 18:04:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_hid_open_mut [2021-12-14 18:04:41,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_hid_open_mut [2021-12-14 18:04:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-14 18:04:41,078 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-14 18:04:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_wait [2021-12-14 18:04:41,078 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_wait [2021-12-14 18:04:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_special_keys [2021-12-14 18:04:41,078 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_special_keys [2021-12-14 18:04:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 18:04:41,078 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 18:04:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure hid_start_in [2021-12-14 18:04:41,078 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_start_in [2021-12-14 18:04:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-14 18:04:41,078 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-14 18:04:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-14 18:04:41,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-14 18:04:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-14 18:04:41,078 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-14 18:04:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_fasync [2021-12-14 18:04:41,079 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_fasync [2021-12-14 18:04:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-12-14 18:04:41,079 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-12-14 18:04:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure hid_io_error [2021-12-14 18:04:41,079 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_io_error [2021-12-14 18:04:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-14 18:04:41,079 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-14 18:04:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:04:41,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:04:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-14 18:04:41,079 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-14 18:04:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_request [2021-12-14 18:04:41,079 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_request [2021-12-14 18:04:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-14 18:04:41,079 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-14 18:04:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:04:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:04:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:04:41,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:04:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-14 18:04:41,080 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-14 18:04:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_7 [2021-12-14 18:04:41,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_7 [2021-12-14 18:04:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_existancelock_of_hiddev [2021-12-14 18:04:41,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_existancelock_of_hiddev [2021-12-14 18:04:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2021-12-14 18:04:41,080 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2021-12-14 18:04:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure hid_cancel_delayed_stuff [2021-12-14 18:04:41,080 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_cancel_delayed_stuff [2021-12-14 18:04:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_hid_open_mut [2021-12-14 18:04:41,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_hid_open_mut [2021-12-14 18:04:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-14 18:04:41,080 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-14 18:04:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 18:04:41,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 18:04:41,081 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_no_suspend [2021-12-14 18:04:41,081 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_no_suspend [2021-12-14 18:04:41,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:04:41,081 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:04:41,081 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_lookup_report [2021-12-14 18:04:41,081 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_lookup_report [2021-12-14 18:04:41,081 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 18:04:41,081 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 18:04:41,081 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_no_resume [2021-12-14 18:04:41,081 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_no_resume [2021-12-14 18:04:41,081 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_output_report [2021-12-14 18:04:41,081 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_output_report [2021-12-14 18:04:41,081 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-14 18:04:41,081 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-14 18:04:41,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2021-12-14 18:04:41,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2021-12-14 18:04:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_disconnect [2021-12-14 18:04:41,082 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_disconnect [2021-12-14 18:04:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:04:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 18:04:41,082 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 18:04:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2021-12-14 18:04:41,082 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2021-12-14 18:04:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_submit_report [2021-12-14 18:04:41,082 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_submit_report [2021-12-14 18:04:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_mark_busy [2021-12-14 18:04:41,082 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_mark_busy [2021-12-14 18:04:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:04:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure hid_set_idle [2021-12-14 18:04:41,082 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_set_idle [2021-12-14 18:04:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure hid_destroy_device [2021-12-14 18:04:41,082 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_destroy_device [2021-12-14 18:04:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-12-14 18:04:41,082 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-12-14 18:04:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_open [2021-12-14 18:04:41,083 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_open [2021-12-14 18:04:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-14 18:04:41,083 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-14 18:04:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_rescale [2021-12-14 18:04:41,083 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_rescale [2021-12-14 18:04:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_set [2021-12-14 18:04:41,083 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_set [2021-12-14 18:04:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:04:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure hid_reset_resume [2021-12-14 18:04:41,083 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_reset_resume [2021-12-14 18:04:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-14 18:04:41,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-14 18:04:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-14 18:04:41,083 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-14 18:04:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-14 18:04:41,083 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-14 18:04:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-14 18:04:41,084 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-14 18:04:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_close [2021-12-14 18:04:41,084 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_close [2021-12-14 18:04:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-14 18:04:41,084 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-14 18:04:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure hid_alloc_report_buf [2021-12-14 18:04:41,084 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_alloc_report_buf [2021-12-14 18:04:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_reports [2021-12-14 18:04:41,084 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_reports [2021-12-14 18:04:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-14 18:04:41,084 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-14 18:04:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_async [2021-12-14 18:04:41,084 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_async [2021-12-14 18:04:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_fields [2021-12-14 18:04:41,084 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_fields [2021-12-14 18:04:41,084 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-14 18:04:41,085 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-14 18:04:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_write [2021-12-14 18:04:41,085 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_write [2021-12-14 18:04:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_quirks_exit [2021-12-14 18:04:41,085 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_quirks_exit [2021-12-14 18:04:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-14 18:04:41,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-14 18:04:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 18:04:41,085 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 18:04:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2021-12-14 18:04:41,085 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2021-12-14 18:04:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_restart_queues [2021-12-14 18:04:41,085 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_restart_queues [2021-12-14 18:04:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-12-14 18:04:41,085 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-12-14 18:04:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 18:04:41,085 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 18:04:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:04:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure hid_device_io_stop [2021-12-14 18:04:41,086 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_device_io_stop [2021-12-14 18:04:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-14 18:04:41,086 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-14 18:04:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:04:41,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:04:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_restart_ctrl_queue [2021-12-14 18:04:41,086 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_restart_ctrl_queue [2021-12-14 18:04:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_start [2021-12-14 18:04:41,086 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_start [2021-12-14 18:04:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_reset [2021-12-14 18:04:41,086 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_reset [2021-12-14 18:04:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-14 18:04:41,086 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-14 18:04:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-14 18:04:41,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-14 18:04:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-14 18:04:41,086 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-14 18:04:41,087 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2021-12-14 18:04:41,087 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2021-12-14 18:04:41,087 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-14 18:04:41,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-14 18:04:41,087 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-14 18:04:41,087 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-14 18:04:41,087 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-14 18:04:41,087 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-14 18:04:41,087 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_lookup_quirk [2021-12-14 18:04:41,087 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_lookup_quirk [2021-12-14 18:04:41,087 INFO L130 BoogieDeclarations]: Found specification of procedure hid_post_reset [2021-12-14 18:04:41,087 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_post_reset [2021-12-14 18:04:41,087 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_raw_request [2021-12-14 18:04:41,087 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_raw_request [2021-12-14 18:04:41,087 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-14 18:04:41,087 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-14 18:04:41,087 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_get_power [2021-12-14 18:04:41,087 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_get_power [2021-12-14 18:04:41,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:04:41,088 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2021-12-14 18:04:41,088 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2021-12-14 18:04:41,088 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2021-12-14 18:04:41,088 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2021-12-14 18:04:41,088 INFO L130 BoogieDeclarations]: Found specification of procedure hid_resume [2021-12-14 18:04:41,088 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_resume [2021-12-14 18:04:41,088 INFO L130 BoogieDeclarations]: Found specification of procedure hid_get_class_descriptor [2021-12-14 18:04:41,088 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_get_class_descriptor [2021-12-14 18:04:41,817 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:04:41,822 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:04:42,184 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:04:53,303 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:04:53,324 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:04:53,324 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 18:04:53,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:04:53 BoogieIcfgContainer [2021-12-14 18:04:53,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:04:53,330 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:04:53,330 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:04:53,333 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:04:53,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:04:37" (1/3) ... [2021-12-14 18:04:53,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aa750ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:04:53, skipping insertion in model container [2021-12-14 18:04:53,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:04:40" (2/3) ... [2021-12-14 18:04:53,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aa750ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:04:53, skipping insertion in model container [2021-12-14 18:04:53,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:04:53" (3/3) ... [2021-12-14 18:04:53,335 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i [2021-12-14 18:04:53,339 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:04:53,339 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 18:04:53,380 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:04:53,387 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 18:04:53,387 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 18:04:53,443 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) [2021-12-14 18:04:53,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-12-14 18:04:53,463 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:04:53,464 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] [2021-12-14 18:04:53,465 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:04:53,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:04:53,471 INFO L85 PathProgramCache]: Analyzing trace with hash -2033859670, now seen corresponding path program 1 times [2021-12-14 18:04:53,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:04:53,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185496831] [2021-12-14 18:04:53,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:04:53,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:04:53,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:54,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:04:54,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:54,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:54,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:54,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:54,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:54,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:04:54,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:54,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:54,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:54,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:54,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:04:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:54,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:54,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:54,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:54,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:04:54,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:54,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:54,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:54,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:04:54,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:54,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-14 18:04:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:54,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:54,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:54,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-14 18:04:54,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:54,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:54,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-14 18:04:54,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:54,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:54,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-14 18:04:54,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:54,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:54,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-14 18:04:54,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:54,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:54,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:54,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-14 18:04:54,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:54,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:54,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-14 18:04:54,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:54,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:54,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:54,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-14 18:04:54,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:54,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:54,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:54,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-14 18:04:54,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:54,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:54,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:54,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-14 18:04:54,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:54,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:54,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:54,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-14 18:04:54,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:54,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:04:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:04:54,522 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2021-12-14 18:04:54,523 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:04:54,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185496831] [2021-12-14 18:04:54,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185496831] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:04:54,524 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:04:54,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 18:04:54,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934629110] [2021-12-14 18:04:54,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:04:54,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 18:04:54,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:04:54,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 18:04:54,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:04:54,557 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) [2021-12-14 18:05:05,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:05:05,342 INFO L93 Difference]: Finished difference Result 5942 states and 8888 transitions. [2021-12-14 18:05:05,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 18:05:05,344 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 [2021-12-14 18:05:05,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:05:05,377 INFO L225 Difference]: With dead ends: 5942 [2021-12-14 18:05:05,377 INFO L226 Difference]: Without dead ends: 3119 [2021-12-14 18:05:05,397 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 [2021-12-14 18:05:05,402 INFO L933 BasicCegarLoop]: 3794 mSDtfsCounter, 1739 mSDsluCounter, 4674 mSDsCounter, 0 mSdLazyCounter, 3507 mSolverCounterSat, 1737 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1813 SdHoareTripleChecker+Valid, 8468 SdHoareTripleChecker+Invalid, 5244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1737 IncrementalHoareTripleChecker+Valid, 3507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2021-12-14 18:05:05,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1813 Valid, 8468 Invalid, 5244 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1737 Valid, 3507 Invalid, 0 Unknown, 0 Unchecked, 10.3s Time] [2021-12-14 18:05:05,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3119 states. [2021-12-14 18:05:05,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3119 to 2796. [2021-12-14 18:05:05,572 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) [2021-12-14 18:05:05,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2796 states and 4043 transitions. [2021-12-14 18:05:05,590 INFO L78 Accepts]: Start accepts. Automaton has 2796 states and 4043 transitions. Word has length 209 [2021-12-14 18:05:05,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:05:05,591 INFO L470 AbstractCegarLoop]: Abstraction has 2796 states and 4043 transitions. [2021-12-14 18:05:05,591 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) [2021-12-14 18:05:05,592 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 4043 transitions. [2021-12-14 18:05:05,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-12-14 18:05:05,597 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:05:05,597 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] [2021-12-14 18:05:05,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:05:05,598 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:05:05,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:05:05,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1431916382, now seen corresponding path program 1 times [2021-12-14 18:05:05,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:05:05,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714349735] [2021-12-14 18:05:05,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:05:05,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:05:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:05,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:05:05,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:05,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:05,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:05,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:05:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:05,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:05:05,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:05,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:05,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:05:05,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:05,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:05:05,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:05,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:05,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:05:05,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:05,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:05:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:05,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:05,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:05,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:05:05,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:05,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-14 18:05:05,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:05,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:05,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:06,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-14 18:05:06,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:06,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:06,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-14 18:05:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:06,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:06,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:06,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-14 18:05:06,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:06,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:06,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:06,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-14 18:05:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:06,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:06,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:06,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-14 18:05:06,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:06,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:06,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:06,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-14 18:05:06,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:06,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:06,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:06,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-14 18:05:06,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:06,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:06,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-14 18:05:06,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:06,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:06,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:06,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-14 18:05:06,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:06,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:06,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:06,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-14 18:05:06,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:06,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:06,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:06,194 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2021-12-14 18:05:06,194 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:05:06,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714349735] [2021-12-14 18:05:06,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714349735] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:05:06,197 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:05:06,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:05:06,198 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195562219] [2021-12-14 18:05:06,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:05:06,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:05:06,200 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:05:06,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:05:06,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:05:06,201 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) [2021-12-14 18:05:24,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:05:24,222 INFO L93 Difference]: Finished difference Result 8720 states and 12824 transitions. [2021-12-14 18:05:24,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 18:05:24,223 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 [2021-12-14 18:05:24,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:05:24,255 INFO L225 Difference]: With dead ends: 8720 [2021-12-14 18:05:24,255 INFO L226 Difference]: Without dead ends: 5959 [2021-12-14 18:05:24,267 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 [2021-12-14 18:05:24,268 INFO L933 BasicCegarLoop]: 4439 mSDtfsCounter, 6468 mSDsluCounter, 8070 mSDsCounter, 0 mSdLazyCounter, 6367 mSolverCounterSat, 3682 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6971 SdHoareTripleChecker+Valid, 12509 SdHoareTripleChecker+Invalid, 10049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3682 IncrementalHoareTripleChecker+Valid, 6367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2021-12-14 18:05:24,269 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6971 Valid, 12509 Invalid, 10049 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3682 Valid, 6367 Invalid, 0 Unknown, 0 Unchecked, 17.4s Time] [2021-12-14 18:05:24,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5959 states. [2021-12-14 18:05:24,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5959 to 5293. [2021-12-14 18:05:24,420 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) [2021-12-14 18:05:24,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5293 states to 5293 states and 7627 transitions. [2021-12-14 18:05:24,441 INFO L78 Accepts]: Start accepts. Automaton has 5293 states and 7627 transitions. Word has length 209 [2021-12-14 18:05:24,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:05:24,443 INFO L470 AbstractCegarLoop]: Abstraction has 5293 states and 7627 transitions. [2021-12-14 18:05:24,443 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) [2021-12-14 18:05:24,444 INFO L276 IsEmpty]: Start isEmpty. Operand 5293 states and 7627 transitions. [2021-12-14 18:05:24,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-12-14 18:05:24,447 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:05:24,447 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] [2021-12-14 18:05:24,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 18:05:24,447 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:05:24,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:05:24,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1991189126, now seen corresponding path program 1 times [2021-12-14 18:05:24,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:05:24,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250319404] [2021-12-14 18:05:24,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:05:24,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:05:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:24,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:05:24,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:24,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:24,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:24,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:05:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:24,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:05:24,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:24,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:24,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:24,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:05:24,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:24,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:05:24,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:24,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:24,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:24,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:05:24,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:24,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:05:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:24,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:24,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:24,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:05:24,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:24,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-14 18:05:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:24,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:24,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:24,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-14 18:05:24,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:24,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:24,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-14 18:05:24,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:24,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:24,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:24,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-14 18:05:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:24,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:24,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-14 18:05:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:24,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:24,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-14 18:05:24,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:24,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:24,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-14 18:05:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:24,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:24,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:24,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-14 18:05:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:24,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:24,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:24,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-14 18:05:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:24,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:24,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:24,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-14 18:05:24,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:24,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:24,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:24,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-14 18:05:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:24,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:24,996 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2021-12-14 18:05:24,997 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:05:24,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250319404] [2021-12-14 18:05:24,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250319404] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:05:24,997 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:05:24,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 18:05:24,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262584201] [2021-12-14 18:05:24,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:05:25,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 18:05:25,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:05:25,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 18:05:25,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-14 18:05:25,001 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) [2021-12-14 18:05:33,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:05:33,559 INFO L93 Difference]: Finished difference Result 12705 states and 18871 transitions. [2021-12-14 18:05:33,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-14 18:05:33,559 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 215 [2021-12-14 18:05:33,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:05:33,599 INFO L225 Difference]: With dead ends: 12705 [2021-12-14 18:05:33,600 INFO L226 Difference]: Without dead ends: 7447 [2021-12-14 18:05:33,621 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-12-14 18:05:33,622 INFO L933 BasicCegarLoop]: 4659 mSDtfsCounter, 4730 mSDsluCounter, 9525 mSDsCounter, 0 mSdLazyCounter, 3679 mSolverCounterSat, 3288 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5018 SdHoareTripleChecker+Valid, 14184 SdHoareTripleChecker+Invalid, 6967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3288 IncrementalHoareTripleChecker+Valid, 3679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2021-12-14 18:05:33,622 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5018 Valid, 14184 Invalid, 6967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3288 Valid, 3679 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2021-12-14 18:05:33,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7447 states. [2021-12-14 18:05:33,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7447 to 5293. [2021-12-14 18:05:33,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5293 states, 3703 states have (on average 1.364029165541453) internal successors, (5051), 3807 states have internal predecessors, (5051), 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) [2021-12-14 18:05:33,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5293 states to 5293 states and 7625 transitions. [2021-12-14 18:05:33,803 INFO L78 Accepts]: Start accepts. Automaton has 5293 states and 7625 transitions. Word has length 215 [2021-12-14 18:05:33,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:05:33,804 INFO L470 AbstractCegarLoop]: Abstraction has 5293 states and 7625 transitions. [2021-12-14 18:05:33,804 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2021-12-14 18:05:33,804 INFO L276 IsEmpty]: Start isEmpty. Operand 5293 states and 7625 transitions. [2021-12-14 18:05:33,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-12-14 18:05:33,807 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:05:33,807 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:05:33,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 18:05:33,807 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:05:33,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:05:33,808 INFO L85 PathProgramCache]: Analyzing trace with hash -896631735, now seen corresponding path program 1 times [2021-12-14 18:05:33,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:05:33,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017687188] [2021-12-14 18:05:33,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:05:33,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:05:33,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:34,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:05:34,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:34,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:34,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:34,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:05:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:34,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:05:34,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:34,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:34,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:05:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:34,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:05:34,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:34,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:34,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:05:34,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:34,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:05:34,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:34,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:34,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:34,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:05:34,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:34,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-14 18:05:34,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:34,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:34,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-14 18:05:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:34,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:34,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:34,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-14 18:05:34,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:34,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:34,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-14 18:05:34,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:34,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:34,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-14 18:05:34,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:34,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:34,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:34,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-14 18:05:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:34,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:34,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:34,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-14 18:05:34,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:34,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:34,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-14 18:05:34,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:34,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:34,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:34,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-14 18:05:34,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:34,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:34,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:34,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-14 18:05:34,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:34,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:34,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:34,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-14 18:05:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:34,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:34,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-14 18:05:34,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:34,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:05:34,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:34,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-14 18:05:34,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:05:34,309 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2021-12-14 18:05:34,310 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:05:34,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017687188] [2021-12-14 18:05:34,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017687188] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:05:34,310 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:05:34,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 18:05:34,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745757884] [2021-12-14 18:05:34,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:05:34,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 18:05:34,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:05:34,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 18:05:34,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-14 18:05:34,312 INFO L87 Difference]: Start difference. First operand 5293 states and 7625 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21)