./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 e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ce994d1a73c37780cf760e0a26dafcaa4c1158119509e83a0962528ef5890c5e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 14:58:42,758 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 14:58:42,760 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 14:58:42,809 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 14:58:42,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 14:58:42,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 14:58:42,813 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 14:58:42,815 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 14:58:42,817 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 14:58:42,820 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 14:58:42,820 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 14:58:42,821 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 14:58:42,822 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 14:58:42,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 14:58:42,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 14:58:42,826 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 14:58:42,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 14:58:42,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 14:58:42,829 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 14:58:42,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 14:58:42,834 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 14:58:42,835 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 14:58:42,836 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 14:58:42,837 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 14:58:42,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 14:58:42,841 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 14:58:42,841 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 14:58:42,842 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 14:58:42,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 14:58:42,843 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 14:58:42,844 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 14:58:42,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 14:58:42,846 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 14:58:42,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 14:58:42,847 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 14:58:42,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 14:58:42,848 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 14:58:42,848 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 14:58:42,848 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 14:58:42,849 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 14:58:42,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 14:58:42,850 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 14:58:42,873 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 14:58:42,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 14:58:42,874 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 14:58:42,874 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 14:58:42,875 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 14:58:42,875 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 14:58:42,875 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 14:58:42,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 14:58:42,875 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 14:58:42,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 14:58:42,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 14:58:42,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 14:58:42,876 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 14:58:42,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 14:58:42,877 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 14:58:42,877 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 14:58:42,877 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 14:58:42,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 14:58:42,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 14:58:42,877 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 14:58:42,878 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 14:58:42,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:58:42,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 14:58:42,878 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 14:58:42,878 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 14:58:42,878 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 14:58:42,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 14:58:42,879 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 14:58:42,879 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 14:58:42,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 14:58:42,879 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 14:58:42,879 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce994d1a73c37780cf760e0a26dafcaa4c1158119509e83a0962528ef5890c5e [2021-12-22 14:58:43,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 14:58:43,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 14:58:43,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 14:58:43,074 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 14:58:43,074 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 14:58:43,075 INFO L432 ainManager$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 [2021-12-22 14:58:43,133 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b1de0acc/50df5f21e5b84c99b5dd2dd4315858e3/FLAGd2e8553a1 [2021-12-22 14:58:43,824 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 14:58:43,825 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 [2021-12-22 14:58:43,871 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b1de0acc/50df5f21e5b84c99b5dd2dd4315858e3/FLAGd2e8553a1 [2021-12-22 14:58:44,156 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b1de0acc/50df5f21e5b84c99b5dd2dd4315858e3 [2021-12-22 14:58:44,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 14:58:44,160 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 14:58:44,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 14:58:44,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 14:58:44,165 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 14:58:44,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:58:44" (1/1) ... [2021-12-22 14:58:44,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16fc1034 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:58:44, skipping insertion in model container [2021-12-22 14:58:44,166 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:58:44" (1/1) ... [2021-12-22 14:58:44,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 14:58:44,268 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 14:58:46,221 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] [2021-12-22 14:58:46,361 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:58:46,395 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 14:58:46,682 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] [2021-12-22 14:58:46,693 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:58:46,809 INFO L208 MainTranslator]: Completed translation [2021-12-22 14:58:46,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:58:46 WrapperNode [2021-12-22 14:58:46,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 14:58:46,812 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 14:58:46,812 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 14:58:46,812 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 14:58:46,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:58:46" (1/1) ... [2021-12-22 14:58:46,942 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:58:46" (1/1) ... [2021-12-22 14:58:47,125 INFO L137 Inliner]: procedures = 495, calls = 4443, calls flagged for inlining = 161, calls inlined = 145, statements flattened = 7921 [2021-12-22 14:58:47,126 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 14:58:47,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 14:58:47,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 14:58:47,127 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 14:58:47,132 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:58:46" (1/1) ... [2021-12-22 14:58:47,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:58:46" (1/1) ... [2021-12-22 14:58:47,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:58:46" (1/1) ... [2021-12-22 14:58:47,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:58:46" (1/1) ... [2021-12-22 14:58:47,309 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:58:46" (1/1) ... [2021-12-22 14:58:47,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:58:46" (1/1) ... [2021-12-22 14:58:47,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:58:46" (1/1) ... [2021-12-22 14:58:47,420 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 14:58:47,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 14:58:47,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 14:58:47,422 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 14:58:47,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:58:46" (1/1) ... [2021-12-22 14:58:47,427 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:58:47,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:58:47,444 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 14:58:47,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 14:58:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-22 14:58:47,476 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-22 14:58:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-22 14:58:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_request_effect_upload [2021-12-22 14:58:47,476 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_request_effect_upload [2021-12-22 14:58:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 14:58:47,476 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 14:58:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-12-22 14:58:47,476 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-12-22 14:58:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_playback_pid [2021-12-22 14:58:47,477 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_playback_pid [2021-12-22 14:58:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_special_field [2021-12-22 14:58:47,477 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_special_field [2021-12-22 14:58:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 14:58:47,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 14:58:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure hid_reset [2021-12-22 14:58:47,477 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_reset [2021-12-22 14:58:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure usb_block_urb [2021-12-22 14:58:47,478 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_block_urb [2021-12-22 14:58:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-22 14:58:47,478 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-22 14:58:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_check_usage [2021-12-22 14:58:47,478 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_check_usage [2021-12-22 14:58:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2021-12-22 14:58:47,478 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2021-12-22 14:58:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_get_extra_descriptor [2021-12-22 14:58:47,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_get_extra_descriptor [2021-12-22 14:58:47,479 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_init_reports [2021-12-22 14:58:47,479 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_init_reports [2021-12-22 14:58:47,479 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-12-22 14:58:47,479 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-12-22 14:58:47,479 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-22 14:58:47,479 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-22 14:58:47,479 INFO L130 BoogieDeclarations]: Found specification of procedure hid_suspend [2021-12-22 14:58:47,479 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_suspend [2021-12-22 14:58:47,479 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_erase_pid [2021-12-22 14:58:47,480 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_erase_pid [2021-12-22 14:58:47,480 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 14:58:47,480 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 14:58:47,480 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-22 14:58:47,480 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2021-12-22 14:58:47,480 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unpoison_urb [2021-12-22 14:58:47,480 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-12-22 14:58:47,481 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-12-22 14:58:47,481 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_devnode [2021-12-22 14:58:47,481 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_devnode [2021-12-22 14:58:47,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 14:58:47,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 14:58:47,481 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-22 14:58:47,481 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-22 14:58:47,482 INFO L130 BoogieDeclarations]: Found specification of procedure hid_submit_out [2021-12-22 14:58:47,482 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_submit_out [2021-12-22 14:58:47,482 INFO L130 BoogieDeclarations]: Found specification of procedure hid_resume_common [2021-12-22 14:58:47,482 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_resume_common [2021-12-22 14:58:47,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 14:58:47,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_thread_lock_of_hiddev_list [2021-12-22 14:58:47,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_thread_lock_of_hiddev_list [2021-12-22 14:58:47,483 INFO L130 BoogieDeclarations]: Found specification of procedure hid_output_report [2021-12-22 14:58:47,483 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_output_report [2021-12-22 14:58:47,484 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-22 14:58:47,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-22 14:58:47,484 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-22 14:58:47,484 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-22 14:58:47,484 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-22 14:58:47,484 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-22 14:58:47,484 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_power [2021-12-22 14:58:47,485 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_power [2021-12-22 14:58:47,485 INFO L130 BoogieDeclarations]: Found specification of procedure hid_free_buffers [2021-12-22 14:58:47,485 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_free_buffers [2021-12-22 14:58:47,485 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-22 14:58:47,485 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-22 14:58:47,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 14:58:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure hid_pidff_init [2021-12-22 14:58:47,486 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_pidff_init [2021-12-22 14:58:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure hid_find_max_report [2021-12-22 14:58:47,486 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_find_max_report [2021-12-22 14:58:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_existancelock_of_hiddev [2021-12-22 14:58:47,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_existancelock_of_hiddev [2021-12-22 14:58:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-22 14:58:47,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-22 14:58:47,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 14:58:47,487 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_autocenter [2021-12-22 14:58:47,487 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_autocenter [2021-12-22 14:58:47,487 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_request [2021-12-22 14:58:47,487 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_request [2021-12-22 14:58:47,487 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_ioctl [2021-12-22 14:58:47,487 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_ioctl [2021-12-22 14:58:47,487 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-12-22 14:58:47,487 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-12-22 14:58:47,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 14:58:47,488 INFO L130 BoogieDeclarations]: Found specification of procedure hid_submit_ctrl [2021-12-22 14:58:47,488 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_submit_ctrl [2021-12-22 14:58:47,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 14:58:47,488 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 14:58:47,488 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-22 14:58:47,489 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-22 14:58:47,489 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_idle [2021-12-22 14:58:47,489 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_idle [2021-12-22 14:58:47,489 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2021-12-22 14:58:47,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2021-12-22 14:58:47,490 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-22 14:58:47,490 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-22 14:58:47,490 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-22 14:58:47,490 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-22 14:58:47,490 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_restart_out_queue [2021-12-22 14:58:47,491 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_restart_out_queue [2021-12-22 14:58:47,491 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-22 14:58:47,491 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-22 14:58:47,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_thread_lock_of_hiddev_list [2021-12-22 14:58:47,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_thread_lock_of_hiddev_list [2021-12-22 14:58:47,491 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_parse [2021-12-22 14:58:47,491 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_parse [2021-12-22 14:58:47,492 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2021-12-22 14:58:47,492 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2021-12-22 14:58:47,492 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_wait_io [2021-12-22 14:58:47,492 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_wait_io [2021-12-22 14:58:47,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-22 14:58:47,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-22 14:58:47,493 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_put_power [2021-12-22 14:58:47,494 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_put_power [2021-12-22 14:58:47,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 14:58:47,495 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2021-12-22 14:58:47,495 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2021-12-22 14:58:47,499 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_poll [2021-12-22 14:58:47,499 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_poll [2021-12-22 14:58:47,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 14:58:47,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 14:58:47,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 14:58:47,499 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_check_autocenter [2021-12-22 14:58:47,499 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_check_autocenter [2021-12-22 14:58:47,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 14:58:47,499 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-22 14:58:47,499 INFO L130 BoogieDeclarations]: Found specification of procedure hid_cease_io [2021-12-22 14:58:47,499 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_cease_io [2021-12-22 14:58:47,499 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-22 14:58:47,499 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-22 14:58:47,499 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 14:58:47,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 14:58:47,500 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-22 14:58:47,500 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-22 14:58:47,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_hid_open_mut [2021-12-22 14:58:47,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_hid_open_mut [2021-12-22 14:58:47,500 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-22 14:58:47,500 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-22 14:58:47,500 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_wait [2021-12-22 14:58:47,500 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_wait [2021-12-22 14:58:47,500 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_special_keys [2021-12-22 14:58:47,500 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_special_keys [2021-12-22 14:58:47,500 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 14:58:47,500 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 14:58:47,500 INFO L130 BoogieDeclarations]: Found specification of procedure hid_start_in [2021-12-22 14:58:47,500 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_start_in [2021-12-22 14:58:47,500 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-22 14:58:47,500 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-22 14:58:47,500 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-22 14:58:47,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-22 14:58:47,500 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-22 14:58:47,501 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-22 14:58:47,501 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_fasync [2021-12-22 14:58:47,501 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_fasync [2021-12-22 14:58:47,501 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-12-22 14:58:47,501 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-12-22 14:58:47,501 INFO L130 BoogieDeclarations]: Found specification of procedure hid_io_error [2021-12-22 14:58:47,501 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_io_error [2021-12-22 14:58:47,501 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-22 14:58:47,501 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-22 14:58:47,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 14:58:47,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 14:58:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-22 14:58:47,502 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-22 14:58:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_request [2021-12-22 14:58:47,502 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_request [2021-12-22 14:58:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-22 14:58:47,502 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-22 14:58:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 14:58:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 14:58:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 14:58:47,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 14:58:47,503 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-22 14:58:47,503 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-22 14:58:47,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_7 [2021-12-22 14:58:47,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_7 [2021-12-22 14:58:47,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_existancelock_of_hiddev [2021-12-22 14:58:47,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_existancelock_of_hiddev [2021-12-22 14:58:47,503 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2021-12-22 14:58:47,503 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2021-12-22 14:58:47,504 INFO L130 BoogieDeclarations]: Found specification of procedure hid_cancel_delayed_stuff [2021-12-22 14:58:47,504 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_cancel_delayed_stuff [2021-12-22 14:58:47,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_hid_open_mut [2021-12-22 14:58:47,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_hid_open_mut [2021-12-22 14:58:47,504 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-22 14:58:47,504 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-22 14:58:47,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 14:58:47,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 14:58:47,504 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_no_suspend [2021-12-22 14:58:47,504 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_no_suspend [2021-12-22 14:58:47,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 14:58:47,505 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 14:58:47,505 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_lookup_report [2021-12-22 14:58:47,505 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_lookup_report [2021-12-22 14:58:47,505 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 14:58:47,505 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 14:58:47,505 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_no_resume [2021-12-22 14:58:47,505 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_no_resume [2021-12-22 14:58:47,505 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_output_report [2021-12-22 14:58:47,505 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_output_report [2021-12-22 14:58:47,506 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-22 14:58:47,506 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-22 14:58:47,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2021-12-22 14:58:47,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2021-12-22 14:58:47,506 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_disconnect [2021-12-22 14:58:47,506 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_disconnect [2021-12-22 14:58:47,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 14:58:47,506 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 14:58:47,506 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 14:58:47,506 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2021-12-22 14:58:47,507 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2021-12-22 14:58:47,507 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_submit_report [2021-12-22 14:58:47,507 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_submit_report [2021-12-22 14:58:47,507 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_mark_busy [2021-12-22 14:58:47,507 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_mark_busy [2021-12-22 14:58:47,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 14:58:47,507 INFO L130 BoogieDeclarations]: Found specification of procedure hid_set_idle [2021-12-22 14:58:47,507 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_set_idle [2021-12-22 14:58:47,507 INFO L130 BoogieDeclarations]: Found specification of procedure hid_destroy_device [2021-12-22 14:58:47,507 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_destroy_device [2021-12-22 14:58:47,508 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2021-12-22 14:58:47,508 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2021-12-22 14:58:47,508 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_open [2021-12-22 14:58:47,508 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_open [2021-12-22 14:58:47,508 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-22 14:58:47,508 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-22 14:58:47,508 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_rescale [2021-12-22 14:58:47,547 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_rescale [2021-12-22 14:58:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_set [2021-12-22 14:58:47,547 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_set [2021-12-22 14:58:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 14:58:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure hid_reset_resume [2021-12-22 14:58:47,547 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_reset_resume [2021-12-22 14:58:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-22 14:58:47,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-22 14:58:47,548 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-22 14:58:47,548 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-22 14:58:47,548 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-22 14:58:47,548 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-22 14:58:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-22 14:58:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-22 14:58:47,551 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_close [2021-12-22 14:58:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_close [2021-12-22 14:58:47,551 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-22 14:58:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-22 14:58:47,551 INFO L130 BoogieDeclarations]: Found specification of procedure hid_alloc_report_buf [2021-12-22 14:58:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_alloc_report_buf [2021-12-22 14:58:47,552 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_reports [2021-12-22 14:58:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_reports [2021-12-22 14:58:47,552 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-22 14:58:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-22 14:58:47,556 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_async [2021-12-22 14:58:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_async [2021-12-22 14:58:47,556 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_fields [2021-12-22 14:58:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_fields [2021-12-22 14:58:47,556 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-22 14:58:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-22 14:58:47,556 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_write [2021-12-22 14:58:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_write [2021-12-22 14:58:47,556 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_quirks_exit [2021-12-22 14:58:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_quirks_exit [2021-12-22 14:58:47,557 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-22 14:58:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-22 14:58:47,557 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 14:58:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 14:58:47,557 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2021-12-22 14:58:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2021-12-22 14:58:47,557 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_restart_queues [2021-12-22 14:58:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_restart_queues [2021-12-22 14:58:47,557 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-12-22 14:58:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-12-22 14:58:47,558 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 14:58:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 14:58:47,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 14:58:47,558 INFO L130 BoogieDeclarations]: Found specification of procedure hid_device_io_stop [2021-12-22 14:58:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_device_io_stop [2021-12-22 14:58:47,558 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-22 14:58:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-22 14:58:47,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 14:58:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 14:58:47,559 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_restart_ctrl_queue [2021-12-22 14:58:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_restart_ctrl_queue [2021-12-22 14:58:47,559 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_start [2021-12-22 14:58:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_start [2021-12-22 14:58:47,559 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_reset [2021-12-22 14:58:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_reset [2021-12-22 14:58:47,559 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-22 14:58:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-22 14:58:47,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-22 14:58:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-22 14:58:47,560 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-22 14:58:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-22 14:58:47,560 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2021-12-22 14:58:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2021-12-22 14:58:47,560 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-22 14:58:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-22 14:58:47,560 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-22 14:58:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-22 14:58:47,561 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-22 14:58:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-22 14:58:47,561 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_lookup_quirk [2021-12-22 14:58:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_lookup_quirk [2021-12-22 14:58:47,561 INFO L130 BoogieDeclarations]: Found specification of procedure hid_post_reset [2021-12-22 14:58:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_post_reset [2021-12-22 14:58:47,561 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_raw_request [2021-12-22 14:58:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_raw_request [2021-12-22 14:58:47,561 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-22 14:58:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-22 14:58:47,562 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_get_power [2021-12-22 14:58:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_get_power [2021-12-22 14:58:47,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 14:58:47,562 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2021-12-22 14:58:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2021-12-22 14:58:47,562 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2021-12-22 14:58:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2021-12-22 14:58:47,562 INFO L130 BoogieDeclarations]: Found specification of procedure hid_resume [2021-12-22 14:58:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_resume [2021-12-22 14:58:47,563 INFO L130 BoogieDeclarations]: Found specification of procedure hid_get_class_descriptor [2021-12-22 14:58:47,563 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_get_class_descriptor [2021-12-22 14:58:48,365 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 14:58:48,368 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 14:58:48,641 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 14:58:59,483 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 14:58:59,505 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 14:58:59,505 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 14:58:59,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:58:59 BoogieIcfgContainer [2021-12-22 14:58:59,508 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 14:58:59,509 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 14:58:59,509 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 14:58:59,512 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 14:58:59,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:58:44" (1/3) ... [2021-12-22 14:58:59,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@701be7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:58:59, skipping insertion in model container [2021-12-22 14:58:59,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:58:46" (2/3) ... [2021-12-22 14:58:59,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@701be7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:58:59, skipping insertion in model container [2021-12-22 14:58:59,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:58:59" (3/3) ... [2021-12-22 14:58:59,514 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i [2021-12-22 14:58:59,517 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 14:58:59,517 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 14:58:59,564 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 14:58:59,571 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 14:58:59,571 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 14:58:59,626 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) [2021-12-22 14:58:59,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-12-22 14:58:59,642 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:58:59,642 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] [2021-12-22 14:58:59,643 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:58:59,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:58:59,646 INFO L85 PathProgramCache]: Analyzing trace with hash -2033859670, now seen corresponding path program 1 times [2021-12-22 14:58:59,651 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:58:59,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190449873] [2021-12-22 14:58:59,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:58:59,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:58:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:00,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:59:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:00,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:00,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:59:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:00,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:59:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:00,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:00,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:00,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:59:00,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:00,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 14:59:00,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:00,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:00,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:59:00,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:00,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:59:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:00,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:00,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:59:00,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:00,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 14:59:00,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:00,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:00,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-22 14:59:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:00,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:00,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:00,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-22 14:59:00,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:00,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:00,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-22 14:59:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:00,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:00,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:00,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-22 14:59:00,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:00,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:00,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-22 14:59:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:00,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:00,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-22 14:59:00,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:00,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:00,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:00,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-22 14:59:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:00,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:00,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:00,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-22 14:59:00,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:00,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:00,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-22 14:59:00,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:00,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:00,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:00,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-22 14:59:00,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:00,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:00,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:00,578 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2021-12-22 14:59:00,581 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:59:00,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190449873] [2021-12-22 14:59:00,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190449873] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:59:00,582 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:59:00,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 14:59:00,583 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143782935] [2021-12-22 14:59:00,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:59:00,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 14:59:00,586 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:59:00,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 14:59:00,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 14:59:00,614 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) [2021-12-22 14:59:10,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:59:10,940 INFO L93 Difference]: Finished difference Result 5942 states and 8888 transitions. [2021-12-22 14:59:10,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 14:59:10,942 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 [2021-12-22 14:59:10,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:59:10,980 INFO L225 Difference]: With dead ends: 5942 [2021-12-22 14:59:10,980 INFO L226 Difference]: Without dead ends: 3119 [2021-12-22 14:59:10,998 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 [2021-12-22 14:59:11,000 INFO L933 BasicCegarLoop]: 3789 mSDtfsCounter, 1737 mSDsluCounter, 4661 mSDsCounter, 0 mSdLazyCounter, 3503 mSolverCounterSat, 1735 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1812 SdHoareTripleChecker+Valid, 8450 SdHoareTripleChecker+Invalid, 5238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1735 IncrementalHoareTripleChecker+Valid, 3503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2021-12-22 14:59:11,000 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1812 Valid, 8450 Invalid, 5238 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1735 Valid, 3503 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2021-12-22 14:59:11,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3119 states. [2021-12-22 14:59:11,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3119 to 2796. [2021-12-22 14:59:11,175 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) [2021-12-22 14:59:11,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2796 states and 4043 transitions. [2021-12-22 14:59:11,191 INFO L78 Accepts]: Start accepts. Automaton has 2796 states and 4043 transitions. Word has length 209 [2021-12-22 14:59:11,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:59:11,192 INFO L470 AbstractCegarLoop]: Abstraction has 2796 states and 4043 transitions. [2021-12-22 14:59:11,192 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) [2021-12-22 14:59:11,192 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 4043 transitions. [2021-12-22 14:59:11,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-12-22 14:59:11,196 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:59:11,196 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] [2021-12-22 14:59:11,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 14:59:11,197 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:59:11,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:59:11,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1431916382, now seen corresponding path program 1 times [2021-12-22 14:59:11,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:59:11,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915372488] [2021-12-22 14:59:11,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:59:11,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:59:11,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:11,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:59:11,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:11,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:11,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:59:11,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:11,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:59:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:11,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:11,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:11,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:59:11,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:11,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 14:59:11,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:11,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:11,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:59:11,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:11,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:59:11,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:11,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:11,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:59:11,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:11,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 14:59:11,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:11,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:11,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:11,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-22 14:59:11,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:11,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:11,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:11,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-22 14:59:11,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:11,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:11,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-22 14:59:11,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:11,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:11,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:11,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-22 14:59:11,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:11,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:11,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:11,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-22 14:59:11,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:11,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:11,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:11,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-22 14:59:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:11,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:11,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:11,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-22 14:59:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:11,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:11,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-22 14:59:11,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:11,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:11,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:11,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-22 14:59:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:11,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:11,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:11,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-22 14:59:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:11,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:11,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:11,772 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2021-12-22 14:59:11,773 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:59:11,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915372488] [2021-12-22 14:59:11,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915372488] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:59:11,773 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:59:11,773 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 14:59:11,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035058763] [2021-12-22 14:59:11,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:59:11,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 14:59:11,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:59:11,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 14:59:11,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:59:11,777 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) [2021-12-22 14:59:25,010 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:59:26,441 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:59:28,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:59:28,521 INFO L93 Difference]: Finished difference Result 8720 states and 12824 transitions. [2021-12-22 14:59:28,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 14:59:28,521 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 [2021-12-22 14:59:28,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:59:28,556 INFO L225 Difference]: With dead ends: 8720 [2021-12-22 14:59:28,557 INFO L226 Difference]: Without dead ends: 5959 [2021-12-22 14:59:28,569 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 [2021-12-22 14:59:28,571 INFO L933 BasicCegarLoop]: 4446 mSDtfsCounter, 6465 mSDsluCounter, 8081 mSDsCounter, 0 mSdLazyCounter, 6366 mSolverCounterSat, 3679 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6957 SdHoareTripleChecker+Valid, 12527 SdHoareTripleChecker+Invalid, 10045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3679 IncrementalHoareTripleChecker+Valid, 6366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2021-12-22 14:59:28,571 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6957 Valid, 12527 Invalid, 10045 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3679 Valid, 6366 Invalid, 0 Unknown, 0 Unchecked, 16.3s Time] [2021-12-22 14:59:28,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5959 states. [2021-12-22 14:59:28,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5959 to 5293. [2021-12-22 14:59:28,742 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) [2021-12-22 14:59:28,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5293 states to 5293 states and 7627 transitions. [2021-12-22 14:59:28,760 INFO L78 Accepts]: Start accepts. Automaton has 5293 states and 7627 transitions. Word has length 209 [2021-12-22 14:59:28,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:59:28,762 INFO L470 AbstractCegarLoop]: Abstraction has 5293 states and 7627 transitions. [2021-12-22 14:59:28,762 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) [2021-12-22 14:59:28,762 INFO L276 IsEmpty]: Start isEmpty. Operand 5293 states and 7627 transitions. [2021-12-22 14:59:28,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-12-22 14:59:28,765 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:59:28,765 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] [2021-12-22 14:59:28,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 14:59:28,766 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:59:28,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:59:28,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1991189126, now seen corresponding path program 1 times [2021-12-22 14:59:28,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:59:28,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125250535] [2021-12-22 14:59:28,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:59:28,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:59:28,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:29,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:59:29,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:29,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:29,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:29,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:59:29,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:29,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:59:29,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:29,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:29,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:29,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:59:29,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:29,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 14:59:29,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:29,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:29,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:29,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:59:29,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:29,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:59:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:29,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:29,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:29,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:59:29,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:29,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 14:59:29,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:29,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:29,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-22 14:59:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:29,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:29,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:29,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-22 14:59:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:29,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:29,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-22 14:59:29,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:29,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:29,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:29,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-22 14:59:29,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:29,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:29,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:29,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-22 14:59:29,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:29,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:29,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:29,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-22 14:59:29,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:29,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:29,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-22 14:59:29,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:29,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:29,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:29,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-22 14:59:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:29,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:29,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-22 14:59:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:29,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:29,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:29,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-22 14:59:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:29,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:29,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:29,314 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2021-12-22 14:59:29,315 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:59:29,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125250535] [2021-12-22 14:59:29,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125250535] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:59:29,317 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:59:29,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 14:59:29,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975626429] [2021-12-22 14:59:29,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:59:29,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 14:59:29,318 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:59:29,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 14:59:29,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-22 14:59:29,320 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) [2021-12-22 14:59:39,185 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:59:39,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:59:39,826 INFO L93 Difference]: Finished difference Result 12705 states and 18871 transitions. [2021-12-22 14:59:39,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-22 14:59:39,827 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 [2021-12-22 14:59:39,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:59:39,863 INFO L225 Difference]: With dead ends: 12705 [2021-12-22 14:59:39,864 INFO L226 Difference]: Without dead ends: 7447 [2021-12-22 14:59:39,888 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 [2021-12-22 14:59:39,892 INFO L933 BasicCegarLoop]: 4644 mSDtfsCounter, 4732 mSDsluCounter, 9494 mSDsCounter, 0 mSdLazyCounter, 3670 mSolverCounterSat, 3292 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5024 SdHoareTripleChecker+Valid, 14138 SdHoareTripleChecker+Invalid, 6963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3292 IncrementalHoareTripleChecker+Valid, 3670 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2021-12-22 14:59:39,893 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5024 Valid, 14138 Invalid, 6963 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3292 Valid, 3670 Invalid, 1 Unknown, 0 Unchecked, 10.1s Time] [2021-12-22 14:59:39,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7447 states. [2021-12-22 14:59:40,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7447 to 5293. [2021-12-22 14:59:40,146 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) [2021-12-22 14:59:40,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5293 states to 5293 states and 7625 transitions. [2021-12-22 14:59:40,174 INFO L78 Accepts]: Start accepts. Automaton has 5293 states and 7625 transitions. Word has length 215 [2021-12-22 14:59:40,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:59:40,176 INFO L470 AbstractCegarLoop]: Abstraction has 5293 states and 7625 transitions. [2021-12-22 14:59:40,177 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) [2021-12-22 14:59:40,177 INFO L276 IsEmpty]: Start isEmpty. Operand 5293 states and 7625 transitions. [2021-12-22 14:59:40,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-12-22 14:59:40,182 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:59:40,182 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] [2021-12-22 14:59:40,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 14:59:40,182 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:59:40,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:59:40,183 INFO L85 PathProgramCache]: Analyzing trace with hash -896631735, now seen corresponding path program 1 times [2021-12-22 14:59:40,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:59:40,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127792180] [2021-12-22 14:59:40,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:59:40,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:59:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:40,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:59:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:40,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:40,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:40,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:59:40,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:40,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 14:59:40,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:40,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:40,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:40,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:59:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:40,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-22 14:59:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:40,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:40,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:40,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:59:40,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:40,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:59:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:40,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:40,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:59:40,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:40,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 14:59:40,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:40,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:40,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:40,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-22 14:59:40,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:40,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:40,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:40,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-22 14:59:40,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:40,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:40,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-22 14:59:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:40,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:40,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-22 14:59:40,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:40,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:40,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:40,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-22 14:59:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:40,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:40,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:40,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-22 14:59:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:40,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:40,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-22 14:59:40,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:40,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:40,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:40,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-22 14:59:40,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:40,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:40,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:40,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-22 14:59:40,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:40,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:40,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:40,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-22 14:59:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:40,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:40,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-22 14:59:40,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:40,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:59:40,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:40,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 14:59:40,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:59:40,694 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2021-12-22 14:59:40,694 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:59:40,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127792180] [2021-12-22 14:59:40,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127792180] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:59:40,695 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:59:40,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 14:59:40,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437506614] [2021-12-22 14:59:40,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:59:40,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 14:59:40,696 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:59:40,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 14:59:40,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-22 14:59:40,696 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)