/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:15:31,471 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:15:31,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:15:31,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:15:31,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:15:31,518 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:15:31,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:15:31,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:15:31,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:15:31,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:15:31,529 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:15:31,531 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:15:31,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:15:31,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:15:31,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:15:31,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:15:31,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:15:31,554 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:15:31,560 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:15:31,563 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:15:31,565 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:15:31,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:15:31,569 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:15:31,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:15:31,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:15:31,577 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:15:31,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:15:31,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:15:31,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:15:31,582 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:15:31,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:15:31,584 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:15:31,585 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:15:31,586 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:15:31,588 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:15:31,589 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:15:31,590 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:15:31,591 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:15:31,591 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:15:31,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:15:31,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:15:31,596 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:15:31,650 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:15:31,651 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:15:31,651 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:15:31,652 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:15:31,653 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:15:31,655 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:15:31,657 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:15:31,657 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:15:31,657 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:15:31,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:15:31,658 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:15:31,658 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:15:31,658 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:15:31,658 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:15:31,659 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:15:31,659 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:15:31,659 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:15:31,659 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:15:31,659 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:15:31,661 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:15:31,661 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:15:31,661 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:15:31,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:15:31,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:15:31,662 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:15:31,662 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:15:31,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:15:31,663 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:15:31,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:15:31,664 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:15:31,664 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:15:31,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:15:31,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:15:31,665 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:15:32,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:15:32,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:15:32,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:15:32,240 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:15:32,241 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:15:32,243 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i [2022-10-15 21:15:32,357 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa3a7fd7f/b1e43327326e4174a4dcaf137877064c/FLAG8669c315e [2022-10-15 21:15:33,697 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:15:33,699 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i [2022-10-15 21:15:33,767 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa3a7fd7f/b1e43327326e4174a4dcaf137877064c/FLAG8669c315e [2022-10-15 21:15:33,885 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa3a7fd7f/b1e43327326e4174a4dcaf137877064c [2022-10-15 21:15:33,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:15:33,894 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:15:33,898 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:15:33,900 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:15:33,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:15:33,907 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:15:33" (1/1) ... [2022-10-15 21:15:33,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21bf9c61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:15:33, skipping insertion in model container [2022-10-15 21:15:33,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:15:33" (1/1) ... [2022-10-15 21:15:33,919 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:15:34,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:15:35,607 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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i[205251,205264] [2022-10-15 21:15:37,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:15:37,549 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:15:37,873 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-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i[205251,205264] [2022-10-15 21:15:38,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:15:38,443 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:15:38,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:15:38 WrapperNode [2022-10-15 21:15:38,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:15:38,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:15:38,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:15:38,447 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:15:38,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:15:38" (1/1) ... [2022-10-15 21:15:38,625 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:15:38" (1/1) ... [2022-10-15 21:15:38,834 INFO L138 Inliner]: procedures = 239, calls = 2983, calls flagged for inlining = 111, calls inlined = 96, statements flattened = 5306 [2022-10-15 21:15:38,835 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:15:38,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:15:38,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:15:38,837 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:15:38,850 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:15:38" (1/1) ... [2022-10-15 21:15:38,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:15:38" (1/1) ... [2022-10-15 21:15:38,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:15:38" (1/1) ... [2022-10-15 21:15:38,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:15:38" (1/1) ... [2022-10-15 21:15:39,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:15:38" (1/1) ... [2022-10-15 21:15:39,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:15:38" (1/1) ... [2022-10-15 21:15:39,237 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:15:38" (1/1) ... [2022-10-15 21:15:39,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:15:38" (1/1) ... [2022-10-15 21:15:39,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:15:39,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:15:39,298 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:15:39,298 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:15:39,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:15:38" (1/1) ... [2022-10-15 21:15:39,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:15:39,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:15:39,354 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) [2022-10-15 21:15:39,379 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 [2022-10-15 21:15:39,512 INFO L130 BoogieDeclarations]: Found specification of procedure at76_hw_scan [2022-10-15 21:15:39,512 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_hw_scan [2022-10-15 21:15:39,513 INFO L130 BoogieDeclarations]: Found specification of procedure at76_dfu_get_status [2022-10-15 21:15:39,513 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_dfu_get_status [2022-10-15 21:15:39,513 INFO L130 BoogieDeclarations]: Found specification of procedure at76_join [2022-10-15 21:15:39,513 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_join [2022-10-15 21:15:39,513 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-10-15 21:15:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-10-15 21:15:39,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-15 21:15:39,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-15 21:15:39,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-15 21:15:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-15 21:15:39,515 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2022-10-15 21:15:39,515 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2022-10-15 21:15:39,515 INFO L130 BoogieDeclarations]: Found specification of procedure at76_submit_rx_urb [2022-10-15 21:15:39,515 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_submit_rx_urb [2022-10-15 21:15:39,515 INFO L130 BoogieDeclarations]: Found specification of procedure at76_add_interface [2022-10-15 21:15:39,515 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_add_interface [2022-10-15 21:15:39,516 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_timeout [2022-10-15 21:15:39,516 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_timeout [2022-10-15 21:15:39,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:15:39,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:15:39,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-10-15 21:15:39,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-10-15 21:15:39,517 INFO L130 BoogieDeclarations]: Found specification of procedure at76_bss_info_changed [2022-10-15 21:15:39,517 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_bss_info_changed [2022-10-15 21:15:39,517 INFO L130 BoogieDeclarations]: Found specification of procedure at76_wait_completion [2022-10-15 21:15:39,517 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_wait_completion [2022-10-15 21:15:39,517 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-15 21:15:39,518 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-15 21:15:39,518 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-10-15 21:15:39,518 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-10-15 21:15:39,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:15:39,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:15:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-15 21:15:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-15 21:15:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-15 21:15:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-15 21:15:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:15:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-15 21:15:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-15 21:15:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:15:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-10-15 21:15:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-10-15 21:15:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure at76_delete_device [2022-10-15 21:15:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_delete_device [2022-10-15 21:15:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-10-15 21:15:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_mib [2022-10-15 21:15:39,521 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_mib [2022-10-15 21:15:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_radio [2022-10-15 21:15:39,521 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_radio [2022-10-15 21:15:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:15:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:15:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_event [2022-10-15 21:15:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_event [2022-10-15 21:15:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_card_command [2022-10-15 21:15:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_card_command [2022-10-15 21:15:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_cmd_status [2022-10-15 21:15:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_cmd_status [2022-10-15 21:15:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-10-15 21:15:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-10-15 21:15:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-10-15 21:15:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-10-15 21:15:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-15 21:15:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-15 21:15:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2022-10-15 21:15:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2022-10-15 21:15:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-10-15 21:15:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-10-15 21:15:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-10-15 21:15:39,525 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-10-15 21:15:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-10-15 21:15:39,525 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-10-15 21:15:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_mib [2022-10-15 21:15:39,525 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_mib [2022-10-15 21:15:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-10-15 21:15:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-10-15 21:15:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-15 21:15:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-15 21:15:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-15 21:15:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 21:15:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_pm_mode [2022-10-15 21:15:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_pm_mode [2022-10-15 21:15:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure at76_set_key [2022-10-15 21:15:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_set_key [2022-10-15 21:15:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure at76_is_505a [2022-10-15 21:15:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_is_505a [2022-10-15 21:15:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:15:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_hw_cfg [2022-10-15 21:15:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_hw_cfg [2022-10-15 21:15:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure at76_config [2022-10-15 21:15:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_config [2022-10-15 21:15:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-10-15 21:15:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-10-15 21:15:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-15 21:15:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-15 21:15:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-10-15 21:15:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-10-15 21:15:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-10-15 21:15:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-10-15 21:15:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-10-15 21:15:39,530 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-10-15 21:15:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-10-15 21:15:39,530 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-10-15 21:15:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure at76_get_op_mode [2022-10-15 21:15:39,530 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_get_op_mode [2022-10-15 21:15:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure at76_remove_interface [2022-10-15 21:15:39,531 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_remove_interface [2022-10-15 21:15:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2022-10-15 21:15:39,531 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2022-10-15 21:15:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:15:39,531 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 21:15:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:15:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:15:39,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:15:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_name [2022-10-15 21:15:39,532 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_name [2022-10-15 21:15:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2022-10-15 21:15:39,533 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2022-10-15 21:15:39,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:15:39,533 INFO L130 BoogieDeclarations]: Found specification of procedure at76_start_monitor [2022-10-15 21:15:39,533 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_start_monitor [2022-10-15 21:15:39,533 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-10-15 21:15:39,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-10-15 21:15:39,534 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-10-15 21:15:39,534 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-10-15 21:15:39,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:15:39,534 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-10-15 21:15:39,534 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-10-15 21:15:39,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:15:39,535 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-10-15 21:15:39,535 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-10-15 21:15:39,535 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-15 21:15:39,535 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-15 21:15:39,535 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-10-15 21:15:39,535 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-10-15 21:15:39,536 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-10-15 21:15:39,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-10-15 21:15:39,536 INFO L130 BoogieDeclarations]: Found specification of procedure at76_configure_filter [2022-10-15 21:15:39,536 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_configure_filter [2022-10-15 21:15:39,536 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-15 21:15:39,536 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-15 21:15:39,537 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-10-15 21:15:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-10-15 21:15:39,537 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-10-15 21:15:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-10-15 21:15:39,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:15:39,537 INFO L130 BoogieDeclarations]: Found specification of procedure at76_mac80211_tx [2022-10-15 21:15:39,538 INFO L138 BoogieDeclarations]: Found implementation of procedure at76_mac80211_tx [2022-10-15 21:15:39,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:15:39,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:15:39,538 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-10-15 21:15:39,538 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-10-15 21:15:40,541 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:15:40,547 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:15:41,019 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-15 21:15:53,098 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:15:53,137 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:15:53,137 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-15 21:15:53,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:15:53 BoogieIcfgContainer [2022-10-15 21:15:53,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:15:53,149 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:15:53,150 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:15:53,154 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:15:53,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:15:33" (1/3) ... [2022-10-15 21:15:53,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b9589e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:15:53, skipping insertion in model container [2022-10-15 21:15:53,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:15:38" (2/3) ... [2022-10-15 21:15:53,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b9589e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:15:53, skipping insertion in model container [2022-10-15 21:15:53,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:15:53" (3/3) ... [2022-10-15 21:15:53,164 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--at76c50x-usb.ko-entry_point.cil.out.i [2022-10-15 21:15:53,192 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:15:53,192 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 54 error locations. [2022-10-15 21:15:53,316 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:15:53,326 INFO L357 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=FINITE_AUTOMATA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@a927360, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:15:53,327 INFO L358 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2022-10-15 21:15:53,341 INFO L276 IsEmpty]: Start isEmpty. Operand has 1445 states, 1027 states have (on average 1.4235637779941577) internal successors, (1462), 1104 states have internal predecessors, (1462), 296 states have call successors, (296), 68 states have call predecessors, (296), 67 states have return successors, (291), 290 states have call predecessors, (291), 291 states have call successors, (291) [2022-10-15 21:15:53,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-15 21:15:53,360 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:15:53,361 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:15:53,363 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [at76_set_keyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, at76_set_keyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 51 more)] === [2022-10-15 21:15:53,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:15:53,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1735043681, now seen corresponding path program 1 times [2022-10-15 21:15:53,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:15:53,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695622405] [2022-10-15 21:15:53,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:15:53,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:15:54,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:55,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:15:55,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:55,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:15:55,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:55,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:15:55,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:55,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:15:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:55,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:15:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:55,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:15:55,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:55,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-15 21:15:55,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:55,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-15 21:15:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:55,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-15 21:15:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:55,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-15 21:15:55,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:15:55,394 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-10-15 21:15:55,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:15:55,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695622405] [2022-10-15 21:15:55,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695622405] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:15:55,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:15:55,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:15:55,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044368091] [2022-10-15 21:15:55,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:15:55,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:15:55,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:15:55,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:15:55,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:15:55,457 INFO L87 Difference]: Start difference. First operand has 1445 states, 1027 states have (on average 1.4235637779941577) internal successors, (1462), 1104 states have internal predecessors, (1462), 296 states have call successors, (296), 68 states have call predecessors, (296), 67 states have return successors, (291), 290 states have call predecessors, (291), 291 states have call successors, (291) Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-10-15 21:16:06,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:16:08,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:16:10,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:16:12,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:16:15,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:16:17,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:16:19,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:16:21,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:16:23,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:16:23,325 INFO L93 Difference]: Finished difference Result 4589 states and 6864 transitions. [2022-10-15 21:16:23,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 21:16:23,329 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 76 [2022-10-15 21:16:23,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:16:23,415 INFO L225 Difference]: With dead ends: 4589 [2022-10-15 21:16:23,415 INFO L226 Difference]: Without dead ends: 3124 [2022-10-15 21:16:23,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:16:23,459 INFO L413 NwaCegarLoop]: 2270 mSDtfsCounter, 3136 mSDsluCounter, 3475 mSDsCounter, 0 mSdLazyCounter, 2472 mSolverCounterSat, 1545 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3385 SdHoareTripleChecker+Valid, 5745 SdHoareTripleChecker+Invalid, 4025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1545 IncrementalHoareTripleChecker+Valid, 2472 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.9s IncrementalHoareTripleChecker+Time [2022-10-15 21:16:23,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3385 Valid, 5745 Invalid, 4025 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1545 Valid, 2472 Invalid, 8 Unknown, 0 Unchecked, 26.9s Time] [2022-10-15 21:16:23,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3124 states. [2022-10-15 21:16:23,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3124 to 2744. [2022-10-15 21:16:23,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2744 states, 1998 states have (on average 1.4109109109109108) internal successors, (2819), 2079 states have internal predecessors, (2819), 566 states have call successors, (566), 132 states have call predecessors, (566), 132 states have return successors, (566), 564 states have call predecessors, (566), 566 states have call successors, (566) [2022-10-15 21:16:23,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2744 states to 2744 states and 3951 transitions. [2022-10-15 21:16:23,971 INFO L78 Accepts]: Start accepts. Automaton has 2744 states and 3951 transitions. Word has length 76 [2022-10-15 21:16:23,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:16:23,975 INFO L495 AbstractCegarLoop]: Abstraction has 2744 states and 3951 transitions. [2022-10-15 21:16:23,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-10-15 21:16:23,976 INFO L276 IsEmpty]: Start isEmpty. Operand 2744 states and 3951 transitions. [2022-10-15 21:16:23,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-15 21:16:23,992 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:16:23,993 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:16:23,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:16:23,994 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [at76_set_keyErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, at76_set_keyErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_set_removeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 51 more)] === [2022-10-15 21:16:23,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:16:24,002 INFO L85 PathProgramCache]: Analyzing trace with hash 887040538, now seen corresponding path program 1 times [2022-10-15 21:16:24,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:16:24,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253101543] [2022-10-15 21:16:24,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:16:24,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:16:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:16:24,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:16:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:16:24,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:16:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:16:24,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:16:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:16:24,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:16:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:16:24,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:16:24,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:16:24,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:16:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:16:24,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-15 21:16:24,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:16:24,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-15 21:16:24,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:16:25,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-15 21:16:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:16:25,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-15 21:16:25,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:16:25,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-10-15 21:16:25,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:16:25,060 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-10-15 21:16:25,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:16:25,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253101543] [2022-10-15 21:16:25,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253101543] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:16:25,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:16:25,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:16:25,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293103737] [2022-10-15 21:16:25,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:16:25,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:16:25,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:16:25,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:16:25,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:16:25,067 INFO L87 Difference]: Start difference. First operand 2744 states and 3951 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11)