/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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:06:00,298 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:06:00,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:06:00,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:06:00,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:06:00,359 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:06:00,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:06:00,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:06:00,374 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:06:00,382 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:06:00,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:06:00,386 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:06:00,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:06:00,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:06:00,393 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:06:00,416 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:06:00,418 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:06:00,419 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:06:00,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:06:00,433 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:06:00,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:06:00,439 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:06:00,440 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:06:00,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:06:00,449 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:06:00,452 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:06:00,453 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:06:00,454 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:06:00,456 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:06:00,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:06:00,458 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:06:00,459 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:06:00,461 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:06:00,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:06:00,463 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:06:00,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:06:00,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:06:00,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:06:00,465 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:06:00,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:06:00,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:06:00,468 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 21:06:00,524 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:06:00,524 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:06:00,525 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:06:00,525 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:06:00,527 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:06:00,527 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:06:00,529 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:06:00,530 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:06:00,530 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:06:00,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:06:00,532 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:06:00,532 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:06:00,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:06:00,532 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:06:00,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:06:00,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:06:00,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:06:00,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:06:00,534 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:06:00,534 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:06:00,534 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:06:00,534 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:06:00,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:06:00,535 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:06:00,535 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:06:00,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:06:00,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:06:00,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:06:00,536 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:06:00,536 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:06:00,536 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:06:00,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:06:00,537 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:06:00,537 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:06:00,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:06:00,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:06:00,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:06:00,988 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:06:00,988 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:06:00,990 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i [2022-10-15 21:06:01,079 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9154d02fe/0d132608864c434297dff2fec25b8cb2/FLAG0d8a1205d [2022-10-15 21:06:02,307 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:06:02,308 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i [2022-10-15 21:06:02,363 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9154d02fe/0d132608864c434297dff2fec25b8cb2/FLAG0d8a1205d [2022-10-15 21:06:02,596 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9154d02fe/0d132608864c434297dff2fec25b8cb2 [2022-10-15 21:06:02,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:06:02,609 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:06:02,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:06:02,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:06:02,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:06:02,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:06:02" (1/1) ... [2022-10-15 21:06:02,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64692cd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:02, skipping insertion in model container [2022-10-15 21:06:02,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:06:02" (1/1) ... [2022-10-15 21:06:02,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:06:02,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:06:05,607 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i[265597,265610] [2022-10-15 21:06:05,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:06:05,941 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:06:06,546 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i[265597,265610] [2022-10-15 21:06:06,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:06:06,708 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:06:06,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:06 WrapperNode [2022-10-15 21:06:06,709 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:06:06,711 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:06:06,711 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:06:06,711 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:06:06,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:06" (1/1) ... [2022-10-15 21:06:06,829 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:06" (1/1) ... [2022-10-15 21:06:07,100 INFO L138 Inliner]: procedures = 389, calls = 2919, calls flagged for inlining = 156, calls inlined = 64, statements flattened = 3386 [2022-10-15 21:06:07,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:06:07,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:06:07,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:06:07,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:06:07,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:06" (1/1) ... [2022-10-15 21:06:07,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:06" (1/1) ... [2022-10-15 21:06:07,168 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:06" (1/1) ... [2022-10-15 21:06:07,168 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:06" (1/1) ... [2022-10-15 21:06:07,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:06" (1/1) ... [2022-10-15 21:06:07,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:06" (1/1) ... [2022-10-15 21:06:07,384 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:06" (1/1) ... [2022-10-15 21:06:07,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:06" (1/1) ... [2022-10-15 21:06:07,443 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:06:07,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:06:07,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:06:07,446 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:06:07,447 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:06" (1/1) ... [2022-10-15 21:06:07,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:06:07,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:06:07,495 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 21:06:07,518 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 21:06:07,576 INFO L130 BoogieDeclarations]: Found specification of procedure smi_stats_proc_open [2022-10-15 21:06:07,576 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_stats_proc_open [2022-10-15 21:06:07,576 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-10-15 21:06:07,576 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-10-15 21:06:07,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:06:07,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:06:07,577 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_poll [2022-10-15 21:06:07,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_poll [2022-10-15 21:06:07,577 INFO L130 BoogieDeclarations]: Found specification of procedure format_lan_msg [2022-10-15 21:06:07,577 INFO L138 BoogieDeclarations]: Found implementation of procedure format_lan_msg [2022-10-15 21:06:07,577 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-15 21:06:07,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-15 21:06:07,578 INFO L130 BoogieDeclarations]: Found specification of procedure copy_event_into_recv_msg [2022-10-15 21:06:07,578 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_event_into_recv_msg [2022-10-15 21:06:07,578 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_panic_request_and_wait [2022-10-15 21:06:07,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_panic_request_and_wait [2022-10-15 21:06:07,578 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-15 21:06:07,579 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-15 21:06:07,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cmd_rcvrs_mutex_of_ipmi_smi [2022-10-15 21:06:07,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cmd_rcvrs_mutex_of_ipmi_smi [2022-10-15 21:06:07,579 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2022-10-15 21:06:07,579 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2022-10-15 21:06:07,579 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2022-10-15 21:06:07,580 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2022-10-15 21:06:07,580 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-15 21:06:07,580 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-15 21:06:07,580 INFO L130 BoogieDeclarations]: Found specification of procedure intf_next_seq [2022-10-15 21:06:07,580 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_next_seq [2022-10-15 21:06:07,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:06:07,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cmd_rcvrs_mutex_of_ipmi_smi [2022-10-15 21:06:07,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cmd_rcvrs_mutex_of_ipmi_smi [2022-10-15 21:06:07,581 INFO L130 BoogieDeclarations]: Found specification of procedure PDE [2022-10-15 21:06:07,581 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE [2022-10-15 21:06:07,581 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-10-15 21:06:07,581 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-10-15 21:06:07,581 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-15 21:06:07,581 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-15 21:06:07,582 INFO L130 BoogieDeclarations]: Found specification of procedure i_ipmi_request [2022-10-15 21:06:07,582 INFO L138 BoogieDeclarations]: Found implementation of procedure i_ipmi_request [2022-10-15 21:06:07,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-15 21:06:07,583 INFO L130 BoogieDeclarations]: Found specification of procedure free_smi_msg_list [2022-10-15 21:06:07,583 INFO L138 BoogieDeclarations]: Found implementation of procedure free_smi_msg_list [2022-10-15 21:06:07,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 21:06:07,583 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-10-15 21:06:07,583 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-10-15 21:06:07,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:06:07,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-15 21:06:07,584 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-15 21:06:07,584 INFO L130 BoogieDeclarations]: Found specification of procedure maintenance_mode_update [2022-10-15 21:06:07,584 INFO L138 BoogieDeclarations]: Found implementation of procedure maintenance_mode_update [2022-10-15 21:06:07,585 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-10-15 21:06:07,585 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-10-15 21:06:07,586 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-10-15 21:06:07,586 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-10-15 21:06:07,586 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-10-15 21:06:07,587 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-10-15 21:06:07,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:06:07,587 INFO L130 BoogieDeclarations]: Found specification of procedure smi_version_proc_open [2022-10-15 21:06:07,588 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_version_proc_open [2022-10-15 21:06:07,588 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-10-15 21:06:07,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-10-15 21:06:07,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:06:07,588 INFO L130 BoogieDeclarations]: Found specification of procedure send_channel_info_cmd [2022-10-15 21:06:07,588 INFO L138 BoogieDeclarations]: Found implementation of procedure send_channel_info_cmd [2022-10-15 21:06:07,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:06:07,589 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-15 21:06:07,589 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 21:06:07,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 21:06:07,590 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_smi_msg [2022-10-15 21:06:07,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_smi_msg [2022-10-15 21:06:07,591 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-15 21:06:07,591 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-15 21:06:07,592 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-10-15 21:06:07,592 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-10-15 21:06:07,592 INFO L130 BoogieDeclarations]: Found specification of procedure handle_new_recv_msgs [2022-10-15 21:06:07,592 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_new_recv_msgs [2022-10-15 21:06:07,593 INFO L130 BoogieDeclarations]: Found specification of procedure is_lan_addr [2022-10-15 21:06:07,593 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lan_addr [2022-10-15 21:06:07,594 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-15 21:06:07,594 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-15 21:06:07,594 INFO L130 BoogieDeclarations]: Found specification of procedure intf_free [2022-10-15 21:06:07,594 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_free [2022-10-15 21:06:07,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:06:07,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:06:07,594 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-10-15 21:06:07,595 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-10-15 21:06:07,595 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-10-15 21:06:07,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-15 21:06:07,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-15 21:06:07,596 INFO L130 BoogieDeclarations]: Found specification of procedure intf_find_seq [2022-10-15 21:06:07,596 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_find_seq [2022-10-15 21:06:07,596 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-15 21:06:07,597 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-15 21:06:07,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:06:07,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:06:07,598 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-10-15 21:06:07,598 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-10-15 21:06:07,599 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_smi_msg [2022-10-15 21:06:07,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_smi_msg [2022-10-15 21:06:07,599 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-15 21:06:07,600 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-15 21:06:07,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:06:07,600 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-15 21:06:07,600 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-15 21:06:07,600 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir [2022-10-15 21:06:07,601 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir [2022-10-15 21:06:07,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:06:07,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:06:07,601 INFO L130 BoogieDeclarations]: Found specification of procedure find_cmd_rcvr [2022-10-15 21:06:07,601 INFO L138 BoogieDeclarations]: Found implementation of procedure find_cmd_rcvr [2022-10-15 21:06:07,602 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-15 21:06:07,602 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-15 21:06:07,602 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_init_msghandler [2022-10-15 21:06:07,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_init_msghandler [2022-10-15 21:06:07,602 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-10-15 21:06:07,603 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-10-15 21:06:07,603 INFO L130 BoogieDeclarations]: Found specification of procedure clean_up_interface_data [2022-10-15 21:06:07,603 INFO L138 BoogieDeclarations]: Found implementation of procedure clean_up_interface_data [2022-10-15 21:06:07,603 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_recv_msg [2022-10-15 21:06:07,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_recv_msg [2022-10-15 21:06:07,604 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2022-10-15 21:06:07,605 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2022-10-15 21:06:07,606 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-10-15 21:06:07,607 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-10-15 21:06:07,610 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu [2022-10-15 21:06:07,614 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu [2022-10-15 21:06:07,614 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-10-15 21:06:07,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-10-15 21:06:07,615 INFO L130 BoogieDeclarations]: Found specification of procedure smi_ipmb_proc_open [2022-10-15 21:06:07,615 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_ipmb_proc_open [2022-10-15 21:06:07,615 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:06:07,615 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 21:06:07,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:06:07,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:06:07,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:06:07,617 INFO L130 BoogieDeclarations]: Found specification of procedure is_ipmb_addr [2022-10-15 21:06:07,618 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ipmb_addr [2022-10-15 21:06:07,618 INFO L130 BoogieDeclarations]: Found specification of procedure is_ipmb_bcast_addr [2022-10-15 21:06:07,618 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ipmb_bcast_addr [2022-10-15 21:06:07,618 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2022-10-15 21:06:07,618 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2022-10-15 21:06:07,618 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-10-15 21:06:07,618 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-10-15 21:06:07,618 INFO L130 BoogieDeclarations]: Found specification of procedure format_ipmb_msg [2022-10-15 21:06:07,618 INFO L138 BoogieDeclarations]: Found implementation of procedure format_ipmb_msg [2022-10-15 21:06:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-10-15 21:06:07,619 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-10-15 21:06:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure free_recv_msg_list [2022-10-15 21:06:07,619 INFO L138 BoogieDeclarations]: Found implementation of procedure free_recv_msg_list [2022-10-15 21:06:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-10-15 21:06:07,619 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-10-15 21:06:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-10-15 21:06:07,619 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-10-15 21:06:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-10-15 21:06:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-10-15 21:06:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure ipmb_checksum [2022-10-15 21:06:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmb_checksum [2022-10-15 21:06:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_response [2022-10-15 21:06:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_response [2022-10-15 21:06:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-10-15 21:06:07,620 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-10-15 21:06:07,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:06:07,621 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2022-10-15 21:06:07,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2022-10-15 21:06:07,621 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-10-15 21:06:07,621 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-10-15 21:06:07,621 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-10-15 21:06:08,380 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:06:08,394 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:06:16,422 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:06:16,442 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:06:16,443 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 21:06:16,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:06:16 BoogieIcfgContainer [2022-10-15 21:06:16,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:06:16,451 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:06:16,451 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:06:16,455 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:06:16,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:06:02" (1/3) ... [2022-10-15 21:06:16,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c01910f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:06:16, skipping insertion in model container [2022-10-15 21:06:16,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:06:06" (2/3) ... [2022-10-15 21:06:16,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c01910f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:06:16, skipping insertion in model container [2022-10-15 21:06:16,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:06:16" (3/3) ... [2022-10-15 21:06:16,458 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--char--ipmi--ipmi_msghandler.ko-main.cil.out.i [2022-10-15 21:06:16,481 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:06:16,482 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 106 error locations. [2022-10-15 21:06:16,645 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:06:16,654 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;@2cf9f9df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:06:16,655 INFO L358 AbstractCegarLoop]: Starting to check reachability of 106 error locations. [2022-10-15 21:06:16,668 INFO L276 IsEmpty]: Start isEmpty. Operand has 1458 states, 973 states have (on average 1.4460431654676258) internal successors, (1407), 1128 states have internal predecessors, (1407), 304 states have call successors, (304), 74 states have call predecessors, (304), 74 states have return successors, (304), 298 states have call predecessors, (304), 304 states have call successors, (304) [2022-10-15 21:06:16,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-15 21:06:16,681 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:16,682 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:06:16,682 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [format_ipmb_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, format_ipmb_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, format_ipmb_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 103 more)] === [2022-10-15 21:06:16,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:16,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1559072189, now seen corresponding path program 1 times [2022-10-15 21:06:16,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:16,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671315217] [2022-10-15 21:06:16,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:16,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:17,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:17,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:06:17,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:17,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671315217] [2022-10-15 21:06:17,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671315217] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:06:17,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:06:17,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:06:17,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970290810] [2022-10-15 21:06:17,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:06:17,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:06:17,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:17,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:06:17,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:06:17,498 INFO L87 Difference]: Start difference. First operand has 1458 states, 973 states have (on average 1.4460431654676258) internal successors, (1407), 1128 states have internal predecessors, (1407), 304 states have call successors, (304), 74 states have call predecessors, (304), 74 states have return successors, (304), 298 states have call predecessors, (304), 304 states have call successors, (304) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:06:18,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:06:18,050 INFO L93 Difference]: Finished difference Result 4275 states and 6120 transitions. [2022-10-15 21:06:18,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:06:18,054 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-10-15 21:06:18,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:06:18,113 INFO L225 Difference]: With dead ends: 4275 [2022-10-15 21:06:18,113 INFO L226 Difference]: Without dead ends: 2736 [2022-10-15 21:06:18,141 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:06:18,148 INFO L413 NwaCegarLoop]: 2243 mSDtfsCounter, 1913 mSDsluCounter, 1941 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1913 SdHoareTripleChecker+Valid, 4184 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:06:18,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1913 Valid, 4184 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:06:18,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2736 states. [2022-10-15 21:06:18,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2736 to 2666. [2022-10-15 21:06:18,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2666 states, 1872 states have (on average 1.3883547008547008) internal successors, (2599), 2023 states have internal predecessors, (2599), 577 states have call successors, (577), 143 states have call predecessors, (577), 143 states have return successors, (577), 565 states have call predecessors, (577), 577 states have call successors, (577) [2022-10-15 21:06:18,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2666 states to 2666 states and 3753 transitions. [2022-10-15 21:06:18,526 INFO L78 Accepts]: Start accepts. Automaton has 2666 states and 3753 transitions. Word has length 12 [2022-10-15 21:06:18,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:06:18,527 INFO L495 AbstractCegarLoop]: Abstraction has 2666 states and 3753 transitions. [2022-10-15 21:06:18,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:06:18,528 INFO L276 IsEmpty]: Start isEmpty. Operand 2666 states and 3753 transitions. [2022-10-15 21:06:18,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-15 21:06:18,531 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:18,531 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:06:18,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:06:18,532 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [format_ipmb_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, format_ipmb_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, format_ipmb_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 103 more)] === [2022-10-15 21:06:18,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:18,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1517271138, now seen corresponding path program 1 times [2022-10-15 21:06:18,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:18,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336883338] [2022-10-15 21:06:18,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:18,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:18,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:06:18,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:18,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336883338] [2022-10-15 21:06:18,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336883338] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:06:18,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:06:18,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:06:18,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607015070] [2022-10-15 21:06:18,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:06:18,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:06:18,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:18,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:06:18,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:06:18,748 INFO L87 Difference]: Start difference. First operand 2666 states and 3753 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:06:19,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:06:19,184 INFO L93 Difference]: Finished difference Result 7946 states and 11187 transitions. [2022-10-15 21:06:19,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:06:19,185 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-10-15 21:06:19,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:06:19,234 INFO L225 Difference]: With dead ends: 7946 [2022-10-15 21:06:19,234 INFO L226 Difference]: Without dead ends: 5283 [2022-10-15 21:06:19,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:06:19,255 INFO L413 NwaCegarLoop]: 2212 mSDtfsCounter, 1853 mSDsluCounter, 1883 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1853 SdHoareTripleChecker+Valid, 4095 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:06:19,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1853 Valid, 4095 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:06:19,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5283 states. [2022-10-15 21:06:19,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5283 to 5213. [2022-10-15 21:06:19,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5213 states, 3707 states have (on average 1.3862961963852172) internal successors, (5139), 3936 states have internal predecessors, (5139), 1148 states have call successors, (1148), 284 states have call predecessors, (1148), 284 states have return successors, (1148), 1124 states have call predecessors, (1148), 1148 states have call successors, (1148) [2022-10-15 21:06:19,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5213 states to 5213 states and 7435 transitions. [2022-10-15 21:06:19,600 INFO L78 Accepts]: Start accepts. Automaton has 5213 states and 7435 transitions. Word has length 14 [2022-10-15 21:06:19,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:06:19,600 INFO L495 AbstractCegarLoop]: Abstraction has 5213 states and 7435 transitions. [2022-10-15 21:06:19,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:06:19,601 INFO L276 IsEmpty]: Start isEmpty. Operand 5213 states and 7435 transitions. [2022-10-15 21:06:19,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-15 21:06:19,602 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:19,602 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:06:19,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:06:19,603 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [format_ipmb_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, format_ipmb_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, format_ipmb_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 103 more)] === [2022-10-15 21:06:19,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:19,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1732941168, now seen corresponding path program 1 times [2022-10-15 21:06:19,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:19,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071950152] [2022-10-15 21:06:19,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:19,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:19,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:19,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:06:19,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:19,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071950152] [2022-10-15 21:06:19,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071950152] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:06:19,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:06:19,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:06:19,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740717023] [2022-10-15 21:06:19,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:06:19,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:06:19,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:19,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:06:19,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:06:19,789 INFO L87 Difference]: Start difference. First operand 5213 states and 7435 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:06:20,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:06:20,369 INFO L93 Difference]: Finished difference Result 15538 states and 22162 transitions. [2022-10-15 21:06:20,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:06:20,369 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-10-15 21:06:20,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:06:20,458 INFO L225 Difference]: With dead ends: 15538 [2022-10-15 21:06:20,458 INFO L226 Difference]: Without dead ends: 10328 [2022-10-15 21:06:20,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:06:20,503 INFO L413 NwaCegarLoop]: 2248 mSDtfsCounter, 1852 mSDsluCounter, 1883 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1852 SdHoareTripleChecker+Valid, 4131 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:06:20,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1852 Valid, 4131 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:06:20,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10328 states. [2022-10-15 21:06:21,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10328 to 10258. [2022-10-15 21:06:21,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10258 states, 7338 states have (on average 1.384300899427637) internal successors, (10158), 7723 states have internal predecessors, (10158), 2284 states have call successors, (2284), 562 states have call predecessors, (2284), 562 states have return successors, (2284), 2236 states have call predecessors, (2284), 2284 states have call successors, (2284) [2022-10-15 21:06:21,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10258 states to 10258 states and 14726 transitions. [2022-10-15 21:06:21,391 INFO L78 Accepts]: Start accepts. Automaton has 10258 states and 14726 transitions. Word has length 15 [2022-10-15 21:06:21,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:06:21,392 INFO L495 AbstractCegarLoop]: Abstraction has 10258 states and 14726 transitions. [2022-10-15 21:06:21,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:06:21,392 INFO L276 IsEmpty]: Start isEmpty. Operand 10258 states and 14726 transitions. [2022-10-15 21:06:21,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-15 21:06:21,395 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:21,395 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-15 21:06:21,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:06:21,396 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [format_ipmb_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, format_ipmb_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, format_ipmb_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 103 more)] === [2022-10-15 21:06:21,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:21,397 INFO L85 PathProgramCache]: Analyzing trace with hash -477015482, now seen corresponding path program 1 times [2022-10-15 21:06:21,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:21,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004974602] [2022-10-15 21:06:21,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:21,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:21,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:21,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:06:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:21,788 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:06:21,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:21,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004974602] [2022-10-15 21:06:21,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004974602] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:06:21,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:06:21,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:06:21,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728436727] [2022-10-15 21:06:21,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:06:21,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:06:21,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:21,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:06:21,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:06:21,792 INFO L87 Difference]: Start difference. First operand 10258 states and 14726 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-15 21:06:38,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:06:40,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:06:43,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:06:45,851 WARN L539 Checker$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 21:06:47,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:06:51,062 WARN L539 Checker$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 21:06:53,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:06:55,867 WARN L539 Checker$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 21:06:57,899 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 21:06:58,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:06:58,415 INFO L93 Difference]: Finished difference Result 31844 states and 46372 transitions. [2022-10-15 21:06:58,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 21:06:58,418 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2022-10-15 21:06:58,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted.