/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--tty--synclink.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:08:07,443 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:08:07,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:08:07,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:08:07,486 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:08:07,488 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:08:07,490 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:08:07,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:08:07,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:08:07,496 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:08:07,497 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:08:07,499 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:08:07,499 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:08:07,500 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:08:07,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:08:07,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:08:07,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:08:07,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:08:07,508 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:08:07,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:08:07,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:08:07,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:08:07,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:08:07,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:08:07,557 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:08:07,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:08:07,558 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:08:07,559 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:08:07,560 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:08:07,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:08:07,566 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:08:07,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:08:07,568 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:08:07,569 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:08:07,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:08:07,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:08:07,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:08:07,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:08:07,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:08:07,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:08:07,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:08:07,578 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 21:08:07,634 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:08:07,634 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:08:07,635 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:08:07,635 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:08:07,637 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:08:07,638 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:08:07,640 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:08:07,640 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:08:07,640 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:08:07,641 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:08:07,642 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:08:07,642 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:08:07,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:08:07,643 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:08:07,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:08:07,643 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:08:07,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:08:07,644 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:08:07,644 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:08:07,644 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:08:07,644 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:08:07,645 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:08:07,645 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:08:07,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:08:07,646 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:08:07,646 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:08:07,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:08:07,646 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:08:07,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:08:07,647 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:08:07,647 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:08:07,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:08:07,648 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:08:07,648 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:08:08,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:08:08,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:08:08,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:08:08,034 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:08:08,034 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:08:08,036 INFO L432 ainManager$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--tty--synclink.ko-main.cil.out.i [2022-10-15 21:08:08,126 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24f8bfe06/ae58f1eb0cb24dbdae81cf22828afc3b/FLAG55d65d759 [2022-10-15 21:08:09,408 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:08:09,409 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--tty--synclink.ko-main.cil.out.i [2022-10-15 21:08:09,482 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24f8bfe06/ae58f1eb0cb24dbdae81cf22828afc3b/FLAG55d65d759 [2022-10-15 21:08:09,497 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24f8bfe06/ae58f1eb0cb24dbdae81cf22828afc3b [2022-10-15 21:08:09,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:08:09,514 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:08:09,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:08:09,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:08:09,522 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:08:09,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:08:09" (1/1) ... [2022-10-15 21:08:09,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42bcb180 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:09, skipping insertion in model container [2022-10-15 21:08:09,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:08:09" (1/1) ... [2022-10-15 21:08:09,534 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:08:09,797 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:08:13,023 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--tty--synclink.ko-main.cil.out.i[420085,420098] [2022-10-15 21:08:13,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:08:13,279 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:08:13,964 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--tty--synclink.ko-main.cil.out.i[420085,420098] [2022-10-15 21:08:13,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:08:14,343 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:08:14,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:14 WrapperNode [2022-10-15 21:08:14,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:08:14,345 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:08:14,345 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:08:14,345 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:08:14,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:14" (1/1) ... [2022-10-15 21:08:14,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:14" (1/1) ... [2022-10-15 21:08:14,893 INFO L138 Inliner]: procedures = 395, calls = 4060, calls flagged for inlining = 199, calls inlined = 146, statements flattened = 7475 [2022-10-15 21:08:14,894 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:08:14,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:08:14,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:08:14,895 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:08:14,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:14" (1/1) ... [2022-10-15 21:08:14,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:14" (1/1) ... [2022-10-15 21:08:14,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:14" (1/1) ... [2022-10-15 21:08:14,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:14" (1/1) ... [2022-10-15 21:08:15,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:14" (1/1) ... [2022-10-15 21:08:15,234 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:14" (1/1) ... [2022-10-15 21:08:15,302 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:14" (1/1) ... [2022-10-15 21:08:15,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:14" (1/1) ... [2022-10-15 21:08:15,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:08:15,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:08:15,435 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:08:15,435 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:08:15,436 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:14" (1/1) ... [2022-10-15 21:08:15,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:08:15,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:08:15,484 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 21:08:15,505 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 21:08:15,570 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_wait_until_sent [2022-10-15 21:08:15,570 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_wait_until_sent [2022-10-15 21:08:15,570 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-10-15 21:08:15,571 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-10-15 21:08:15,571 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-10-15 21:08:15,571 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_start [2022-10-15 21:08:15,571 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_start [2022-10-15 21:08:15,571 INFO L130 BoogieDeclarations]: Found specification of procedure usc_set_txidle [2022-10-15 21:08:15,571 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_set_txidle [2022-10-15 21:08:15,571 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_ioctl [2022-10-15 21:08:15,572 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_ioctl [2022-10-15 21:08:15,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:08:15,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:08:15,572 INFO L130 BoogieDeclarations]: Found specification of procedure usc_loopback_frame [2022-10-15 21:08:15,572 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_loopback_frame [2022-10-15 21:08:15,572 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-10-15 21:08:15,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-10-15 21:08:15,572 INFO L130 BoogieDeclarations]: Found specification of procedure usc_start_receiver [2022-10-15 21:08:15,573 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_start_receiver [2022-10-15 21:08:15,573 INFO L130 BoogieDeclarations]: Found specification of procedure usc_set_serial_signals [2022-10-15 21:08:15,573 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_set_serial_signals [2022-10-15 21:08:15,573 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_trace_block [2022-10-15 21:08:15,573 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_trace_block [2022-10-15 21:08:15,573 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-10-15 21:08:15,573 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-10-15 21:08:15,574 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-15 21:08:15,574 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-15 21:08:15,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mgsl_ops_disconnect_2 [2022-10-15 21:08:15,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mgsl_ops_disconnect_2 [2022-10-15 21:08:15,574 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_change_mtu [2022-10-15 21:08:15,574 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_change_mtu [2022-10-15 21:08:15,574 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-15 21:08:15,574 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-15 21:08:15,575 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-10-15 21:08:15,575 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2022-10-15 21:08:15,575 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2022-10-15 21:08:15,575 INFO L130 BoogieDeclarations]: Found specification of procedure load_next_tx_holding_buffer [2022-10-15 21:08:15,575 INFO L138 BoogieDeclarations]: Found implementation of procedure load_next_tx_holding_buffer [2022-10-15 21:08:15,575 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-15 21:08:15,575 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-15 21:08:15,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_tty_port [2022-10-15 21:08:15,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_tty_port [2022-10-15 21:08:15,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:08:15,576 INFO L130 BoogieDeclarations]: Found specification of procedure dtr_rts [2022-10-15 21:08:15,576 INFO L138 BoogieDeclarations]: Found implementation of procedure dtr_rts [2022-10-15 21:08:15,576 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-10-15 21:08:15,576 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-10-15 21:08:15,576 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-10-15 21:08:15,577 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-10-15 21:08:15,577 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-10-15 21:08:15,577 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-10-15 21:08:15,578 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-15 21:08:15,578 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-15 21:08:15,578 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmset [2022-10-15 21:08:15,578 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmset [2022-10-15 21:08:15,579 INFO L130 BoogieDeclarations]: Found specification of procedure usc_OutDmaReg [2022-10-15 21:08:15,579 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_OutDmaReg [2022-10-15 21:08:15,579 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-15 21:08:15,579 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-15 21:08:15,579 INFO L130 BoogieDeclarations]: Found specification of procedure usc_loopmode_cancel_transmit [2022-10-15 21:08:15,579 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_loopmode_cancel_transmit [2022-10-15 21:08:15,580 INFO L130 BoogieDeclarations]: Found specification of procedure usc_load_txfifo [2022-10-15 21:08:15,580 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_load_txfifo [2022-10-15 21:08:15,580 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-10-15 21:08:15,580 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-10-15 21:08:15,580 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_timeout [2022-10-15 21:08:15,580 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_timeout [2022-10-15 21:08:15,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-15 21:08:15,581 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-15 21:08:15,581 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-15 21:08:15,581 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-10-15 21:08:15,581 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-10-15 21:08:15,581 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-15 21:08:15,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-15 21:08:15,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 21:08:15,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:08:15,582 INFO L130 BoogieDeclarations]: Found specification of procedure usc_reset [2022-10-15 21:08:15,582 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_reset [2022-10-15 21:08:15,582 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_free_frame_memory [2022-10-15 21:08:15,582 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_free_frame_memory [2022-10-15 21:08:15,582 INFO L130 BoogieDeclarations]: Found specification of procedure usc_InReg [2022-10-15 21:08:15,583 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_InReg [2022-10-15 21:08:15,583 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-10-15 21:08:15,583 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-10-15 21:08:15,583 INFO L130 BoogieDeclarations]: Found specification of procedure usc_enable_loopback [2022-10-15 21:08:15,588 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_enable_loopback [2022-10-15 21:08:15,588 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_load_tx_dma_buffer [2022-10-15 21:08:15,588 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_load_tx_dma_buffer [2022-10-15 21:08:15,589 INFO L130 BoogieDeclarations]: Found specification of procedure usc_DmaCmd [2022-10-15 21:08:15,589 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_DmaCmd [2022-10-15 21:08:15,589 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_flush_buffer [2022-10-15 21:08:15,589 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_flush_buffer [2022-10-15 21:08:15,590 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-10-15 21:08:15,590 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-10-15 21:08:15,590 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_raised [2022-10-15 21:08:15,590 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_raised [2022-10-15 21:08:15,590 INFO L130 BoogieDeclarations]: Found specification of procedure usc_RTCmd [2022-10-15 21:08:15,590 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_RTCmd [2022-10-15 21:08:15,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:08:15,591 INFO L130 BoogieDeclarations]: Found specification of procedure usc_set_sdlc_mode [2022-10-15 21:08:15,591 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_set_sdlc_mode [2022-10-15 21:08:15,591 INFO L130 BoogieDeclarations]: Found specification of procedure usc_stop_receiver [2022-10-15 21:08:15,591 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_stop_receiver [2022-10-15 21:08:15,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:08:15,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:08:15,591 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-15 21:08:15,592 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-15 21:08:15,592 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-15 21:08:15,592 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_add_device [2022-10-15 21:08:15,592 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_add_device [2022-10-15 21:08:15,592 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_unthrottle [2022-10-15 21:08:15,592 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_unthrottle [2022-10-15 21:08:15,592 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_throttle [2022-10-15 21:08:15,592 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_throttle [2022-10-15 21:08:15,593 INFO L130 BoogieDeclarations]: Found specification of procedure usc_OutReg [2022-10-15 21:08:15,593 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_OutReg [2022-10-15 21:08:15,593 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-15 21:08:15,593 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-15 21:08:15,593 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmget [2022-10-15 21:08:15,593 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmget [2022-10-15 21:08:15,593 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_set_termios [2022-10-15 21:08:15,594 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_set_termios [2022-10-15 21:08:15,594 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-10-15 21:08:15,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-10-15 21:08:15,594 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-15 21:08:15,594 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-15 21:08:15,594 INFO L130 BoogieDeclarations]: Found specification of procedure usc_stop_transmitter [2022-10-15 21:08:15,594 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_stop_transmitter [2022-10-15 21:08:15,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:08:15,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:08:15,595 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2022-10-15 21:08:15,595 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2022-10-15 21:08:15,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-15 21:08:15,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-15 21:08:15,595 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_flush_chars [2022-10-15 21:08:15,596 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_flush_chars [2022-10-15 21:08:15,596 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-15 21:08:15,596 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-15 21:08:15,596 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-10-15 21:08:15,596 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-10-15 21:08:15,596 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_send_xchar [2022-10-15 21:08:15,596 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_send_xchar [2022-10-15 21:08:15,596 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_change_params [2022-10-15 21:08:15,596 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_change_params [2022-10-15 21:08:15,597 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-15 21:08:15,597 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-15 21:08:15,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:08:15,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:08:15,597 INFO L130 BoogieDeclarations]: Found specification of procedure usc_get_serial_signals [2022-10-15 21:08:15,597 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_get_serial_signals [2022-10-15 21:08:15,597 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_reset_rx_dma_buffers [2022-10-15 21:08:15,598 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_reset_rx_dma_buffers [2022-10-15 21:08:15,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-15 21:08:15,598 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-15 21:08:15,598 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-15 21:08:15,598 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-15 21:08:15,598 INFO L130 BoogieDeclarations]: Found specification of procedure usc_start_transmitter [2022-10-15 21:08:15,598 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_start_transmitter [2022-10-15 21:08:15,598 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-10-15 21:08:15,599 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-10-15 21:08:15,599 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-10-15 21:08:15,599 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2022-10-15 21:08:15,599 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-15 21:08:15,599 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-15 21:08:15,599 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_paranoia_check [2022-10-15 21:08:15,599 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_paranoia_check [2022-10-15 21:08:15,599 INFO L130 BoogieDeclarations]: Found specification of procedure usc_InDmaReg [2022-10-15 21:08:15,599 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_InDmaReg [2022-10-15 21:08:15,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:08:15,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:08:15,600 INFO L130 BoogieDeclarations]: Found specification of procedure usc_loopmode_active [2022-10-15 21:08:15,600 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_loopmode_active [2022-10-15 21:08:15,600 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_stop [2022-10-15 21:08:15,600 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_stop [2022-10-15 21:08:15,600 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-10-15 21:08:15,600 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-10-15 21:08:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:08:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure synclink_remove_one [2022-10-15 21:08:15,601 INFO L138 BoogieDeclarations]: Found implementation of procedure synclink_remove_one [2022-10-15 21:08:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-15 21:08:15,601 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-10-15 21:08:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure synclink_cleanup [2022-10-15 21:08:15,601 INFO L138 BoogieDeclarations]: Found implementation of procedure synclink_cleanup [2022-10-15 21:08:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-10-15 21:08:15,602 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-10-15 21:08:15,602 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-15 21:08:15,602 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-15 21:08:15,602 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-10-15 21:08:15,602 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-10-15 21:08:15,602 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-10-15 21:08:15,602 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-10-15 21:08:15,602 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2022-10-15 21:08:15,602 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2022-10-15 21:08:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_write_room [2022-10-15 21:08:15,603 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_write_room [2022-10-15 21:08:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_break [2022-10-15 21:08:15,603 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_break [2022-10-15 21:08:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_allocate_device [2022-10-15 21:08:15,603 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_allocate_device [2022-10-15 21:08:15,603 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-10-15 21:08:15,603 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-10-15 21:08:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_install [2022-10-15 21:08:15,604 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_install [2022-10-15 21:08:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2022-10-15 21:08:15,604 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2022-10-15 21:08:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_release_resources [2022-10-15 21:08:15,604 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_release_resources [2022-10-15 21:08:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-10-15 21:08:15,604 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-10-15 21:08:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-10-15 21:08:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-10-15 21:08:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-15 21:08:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-15 21:08:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure usc_loopmode_send_done [2022-10-15 21:08:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure usc_loopmode_send_done [2022-10-15 21:08:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-15 21:08:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-15 21:08:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-10-15 21:08:15,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-10-15 21:08:15,606 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:08:15,606 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 21:08:15,606 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_ioctl [2022-10-15 21:08:15,606 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_ioctl [2022-10-15 21:08:15,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_tty_port [2022-10-15 21:08:15,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_tty_port [2022-10-15 21:08:15,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:08:15,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:08:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:08:15,607 INFO L130 BoogieDeclarations]: Found specification of procedure msgl_get_icount [2022-10-15 21:08:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure msgl_get_icount [2022-10-15 21:08:15,607 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_chars_in_buffer [2022-10-15 21:08:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_chars_in_buffer [2022-10-15 21:08:15,607 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-10-15 21:08:15,607 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-10-15 21:08:15,608 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2022-10-15 21:08:15,608 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2022-10-15 21:08:15,608 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-10-15 21:08:15,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-10-15 21:08:15,608 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_put_char [2022-10-15 21:08:15,608 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_put_char [2022-10-15 21:08:15,608 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_program_hw [2022-10-15 21:08:15,608 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_program_hw [2022-10-15 21:08:15,608 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2022-10-15 21:08:15,609 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2022-10-15 21:08:15,609 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_hangup [2022-10-15 21:08:15,609 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_hangup [2022-10-15 21:08:15,609 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-10-15 21:08:15,609 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-10-15 21:08:15,609 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2022-10-15 21:08:15,609 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2022-10-15 21:08:15,609 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-10-15 21:08:15,609 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-10-15 21:08:15,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:08:15,610 INFO L130 BoogieDeclarations]: Found specification of procedure mgsl_alloc_frame_memory [2022-10-15 21:08:15,610 INFO L138 BoogieDeclarations]: Found implementation of procedure mgsl_alloc_frame_memory [2022-10-15 21:08:15,610 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-10-15 21:08:15,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-10-15 21:08:15,610 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-10-15 21:08:15,610 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-10-15 21:08:16,716 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:08:16,721 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:08:44,069 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:08:44,116 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:08:44,116 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 21:08:44,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:08:44 BoogieIcfgContainer [2022-10-15 21:08:44,125 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:08:44,129 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:08:44,129 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:08:44,135 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:08:44,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:08:09" (1/3) ... [2022-10-15 21:08:44,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71c4379e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:08:44, skipping insertion in model container [2022-10-15 21:08:44,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:14" (2/3) ... [2022-10-15 21:08:44,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71c4379e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:08:44, skipping insertion in model container [2022-10-15 21:08:44,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:08:44" (3/3) ... [2022-10-15 21:08:44,139 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--tty--synclink.ko-main.cil.out.i [2022-10-15 21:08:44,164 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:08:44,165 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 186 error locations. [2022-10-15 21:08:44,345 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:08:44,354 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;@776d2fb6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:08:44,354 INFO L358 AbstractCegarLoop]: Starting to check reachability of 186 error locations. [2022-10-15 21:08:44,372 INFO L276 IsEmpty]: Start isEmpty. Operand has 3626 states, 2429 states have (on average 1.4676821737340469) internal successors, (3565), 2691 states have internal predecessors, (3565), 890 states have call successors, (890), 120 states have call predecessors, (890), 120 states have return successors, (890), 870 states have call predecessors, (890), 890 states have call successors, (890) [2022-10-15 21:08:44,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-15 21:08:44,382 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:08:44,382 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:08:44,383 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mgsl_wait_until_sentErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mgsl_wait_until_sentErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mgsl_wait_until_sentErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 183 more)] === [2022-10-15 21:08:44,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:08:44,390 INFO L85 PathProgramCache]: Analyzing trace with hash -121895348, now seen corresponding path program 1 times [2022-10-15 21:08:44,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:08:44,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479198956] [2022-10-15 21:08:44,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:08:44,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:08:44,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:08:45,184 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 21:08:45,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:08:45,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479198956] [2022-10-15 21:08:45,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479198956] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:08:45,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:08:45,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:08:45,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629415930] [2022-10-15 21:08:45,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:08:45,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:08:45,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:08:45,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:08:45,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:08:45,244 INFO L87 Difference]: Start difference. First operand has 3626 states, 2429 states have (on average 1.4676821737340469) internal successors, (3565), 2691 states have internal predecessors, (3565), 890 states have call successors, (890), 120 states have call predecessors, (890), 120 states have return successors, (890), 870 states have call predecessors, (890), 890 states have call successors, (890) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 21:08:46,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:08:46,106 INFO L93 Difference]: Finished difference Result 10780 states and 16221 transitions. [2022-10-15 21:08:46,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:08:46,112 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2022-10-15 21:08:46,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:08:46,235 INFO L225 Difference]: With dead ends: 10780 [2022-10-15 21:08:46,235 INFO L226 Difference]: Without dead ends: 7121 [2022-10-15 21:08:46,303 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 21:08:46,308 INFO L413 NwaCegarLoop]: 6164 mSDtfsCounter, 5239 mSDsluCounter, 5261 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5239 SdHoareTripleChecker+Valid, 11425 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:08:46,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5239 Valid, 11425 Invalid, 17 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:08:46,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7121 states. [2022-10-15 21:08:46,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7121 to 6971. [2022-10-15 21:08:46,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6971 states, 4811 states have (on average 1.441696113074205) internal successors, (6936), 5106 states have internal predecessors, (6936), 1768 states have call successors, (1768), 238 states have call predecessors, (1768), 238 states have return successors, (1766), 1726 states have call predecessors, (1766), 1766 states have call successors, (1766) [2022-10-15 21:08:46,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6971 states to 6971 states and 10470 transitions. [2022-10-15 21:08:46,996 INFO L78 Accepts]: Start accepts. Automaton has 6971 states and 10470 transitions. Word has length 10 [2022-10-15 21:08:46,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:08:46,997 INFO L495 AbstractCegarLoop]: Abstraction has 6971 states and 10470 transitions. [2022-10-15 21:08:46,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 21:08:46,998 INFO L276 IsEmpty]: Start isEmpty. Operand 6971 states and 10470 transitions. [2022-10-15 21:08:47,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-15 21:08:47,003 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:08:47,004 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:08:47,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:08:47,004 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [mgsl_wait_until_sentErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mgsl_wait_until_sentErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mgsl_wait_until_sentErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 183 more)] === [2022-10-15 21:08:47,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:08:47,005 INFO L85 PathProgramCache]: Analyzing trace with hash -324532110, now seen corresponding path program 1 times [2022-10-15 21:08:47,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:08:47,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122390494] [2022-10-15 21:08:47,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:08:47,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:08:47,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:08:47,306 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 21:08:47,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:08:47,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122390494] [2022-10-15 21:08:47,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122390494] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:08:47,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:08:47,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:08:47,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467933816] [2022-10-15 21:08:47,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:08:47,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:08:47,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:08:47,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:08:47,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:08:47,317 INFO L87 Difference]: Start difference. First operand 6971 states and 10470 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 21:08:48,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:08:48,396 INFO L93 Difference]: Finished difference Result 20791 states and 31226 transitions. [2022-10-15 21:08:48,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:08:48,397 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 17 [2022-10-15 21:08:48,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:08:48,563 INFO L225 Difference]: With dead ends: 20791 [2022-10-15 21:08:48,563 INFO L226 Difference]: Without dead ends: 13823 [2022-10-15 21:08:48,639 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 21:08:48,642 INFO L413 NwaCegarLoop]: 6168 mSDtfsCounter, 5156 mSDsluCounter, 5221 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5156 SdHoareTripleChecker+Valid, 11389 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:08:48,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5156 Valid, 11389 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:08:48,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13823 states. [2022-10-15 21:08:49,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13823 to 13673. [2022-10-15 21:08:49,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13673 states, 9539 states have (on average 1.4409267218786037) internal successors, (13745), 9976 states have internal predecessors, (13745), 3508 states have call successors, (3508), 472 states have call predecessors, (3508), 472 states have return successors, (3504), 3424 states have call predecessors, (3504), 3504 states have call successors, (3504) [2022-10-15 21:08:49,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13673 states to 13673 states and 20757 transitions. [2022-10-15 21:08:49,929 INFO L78 Accepts]: Start accepts. Automaton has 13673 states and 20757 transitions. Word has length 17 [2022-10-15 21:08:49,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:08:49,930 INFO L495 AbstractCegarLoop]: Abstraction has 13673 states and 20757 transitions. [2022-10-15 21:08:49,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 21:08:49,931 INFO L276 IsEmpty]: Start isEmpty. Operand 13673 states and 20757 transitions. [2022-10-15 21:08:49,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-15 21:08:49,933 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:08:49,933 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:08:49,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:08:49,934 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [mgsl_wait_until_sentErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mgsl_wait_until_sentErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mgsl_wait_until_sentErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 183 more)] === [2022-10-15 21:08:49,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:08:49,934 INFO L85 PathProgramCache]: Analyzing trace with hash 557579682, now seen corresponding path program 1 times [2022-10-15 21:08:49,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:08:49,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818369997] [2022-10-15 21:08:49,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:08:49,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:08:50,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:08:50,247 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 21:08:50,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:08:50,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818369997] [2022-10-15 21:08:50,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818369997] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:08:50,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:08:50,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:08:50,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503829934] [2022-10-15 21:08:50,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:08:50,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:08:50,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:08:50,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:08:50,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:08:50,263 INFO L87 Difference]: Start difference. First operand 13673 states and 20757 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 21:08:51,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:08:51,772 INFO L93 Difference]: Finished difference Result 40073 states and 60889 transitions. [2022-10-15 21:08:51,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:08:51,773 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 18 [2022-10-15 21:08:51,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:08:52,052 INFO L225 Difference]: With dead ends: 40073 [2022-10-15 21:08:52,052 INFO L226 Difference]: Without dead ends: 26403 [2022-10-15 21:08:52,192 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 21:08:52,197 INFO L413 NwaCegarLoop]: 6098 mSDtfsCounter, 4909 mSDsluCounter, 5200 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4909 SdHoareTripleChecker+Valid, 11298 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:08:52,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4909 Valid, 11298 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 21:08:52,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26403 states. [2022-10-15 21:08:54,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26403 to 26241. [2022-10-15 21:08:54,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26241 states, 18391 states have (on average 1.4421728019139797) internal successors, (26523), 19096 states have internal predecessors, (26523), 6792 states have call successors, (6792), 904 states have call predecessors, (6792), 904 states have return successors, (6804), 6620 states have call predecessors, (6804), 6784 states have call successors, (6804) [2022-10-15 21:08:54,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26241 states to 26241 states and 40119 transitions. [2022-10-15 21:08:54,922 INFO L78 Accepts]: Start accepts. Automaton has 26241 states and 40119 transitions. Word has length 18 [2022-10-15 21:08:54,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:08:54,922 INFO L495 AbstractCegarLoop]: Abstraction has 26241 states and 40119 transitions. [2022-10-15 21:08:54,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 21:08:54,925 INFO L276 IsEmpty]: Start isEmpty. Operand 26241 states and 40119 transitions. [2022-10-15 21:08:54,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-15 21:08:54,928 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:08:54,928 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:08:54,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:08:54,931 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [mgsl_wait_until_sentErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mgsl_wait_until_sentErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mgsl_wait_until_sentErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 183 more)] === [2022-10-15 21:08:54,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:08:54,933 INFO L85 PathProgramCache]: Analyzing trace with hash -274139661, now seen corresponding path program 1 times [2022-10-15 21:08:54,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:08:54,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061129701] [2022-10-15 21:08:54,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:08:54,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:08:55,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:08:55,314 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 21:08:55,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:08:55,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061129701] [2022-10-15 21:08:55,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061129701] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:08:55,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:08:55,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:08:55,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126999089] [2022-10-15 21:08:55,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:08:55,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:08:55,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:08:55,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:08:55,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:08:55,318 INFO L87 Difference]: Start difference. First operand 26241 states and 40119 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 21:08:58,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:08:58,461 INFO L93 Difference]: Finished difference Result 78513 states and 120023 transitions. [2022-10-15 21:08:58,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:08:58,462 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 18 [2022-10-15 21:08:58,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted.