/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--btcoexist--btcoexist.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:14:07,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:14:07,412 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:14:07,474 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:14:07,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:14:07,479 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:14:07,483 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:14:07,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:14:07,495 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:14:07,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:14:07,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:14:07,508 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:14:07,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:14:07,511 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:14:07,513 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:14:07,520 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:14:07,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:14:07,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:14:07,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:14:07,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:14:07,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:14:07,551 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:14:07,552 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:14:07,553 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:14:07,561 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:14:07,562 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:14:07,562 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:14:07,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:14:07,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:14:07,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:14:07,566 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:14:07,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:14:07,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:14:07,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:14:07,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:14:07,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:14:07,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:14:07,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:14:07,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:14:07,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:14:07,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:14:07,576 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 21:14:07,623 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:14:07,624 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:14:07,625 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:14:07,625 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:14:07,626 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:14:07,626 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:14:07,629 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:14:07,630 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:14:07,630 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:14:07,630 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:14:07,631 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:14:07,632 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:14:07,632 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:14:07,632 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:14:07,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:14:07,632 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:14:07,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:14:07,633 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:14:07,633 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:14:07,633 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:14:07,633 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:14:07,634 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:14:07,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:14:07,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:14:07,634 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:14:07,635 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:14:07,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:14:07,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:14:07,635 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:14:07,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:14:07,636 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:14:07,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:14:07,636 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:14:07,636 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:14:08,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:14:08,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:14:08,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:14:08,137 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:14:08,138 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:14:08,140 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--btcoexist--btcoexist.ko-entry_point.cil.out.i [2022-10-15 21:14:08,222 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc7073b10/f9949a49de204302966b7a38457f554e/FLAG2befa604a [2022-10-15 21:14:09,528 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:14:09,529 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--btcoexist--btcoexist.ko-entry_point.cil.out.i [2022-10-15 21:14:09,592 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc7073b10/f9949a49de204302966b7a38457f554e/FLAG2befa604a [2022-10-15 21:14:09,746 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc7073b10/f9949a49de204302966b7a38457f554e [2022-10-15 21:14:09,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:14:09,759 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:14:09,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:14:09,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:14:09,767 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:14:09,769 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:14:09" (1/1) ... [2022-10-15 21:14:09,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63f82927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:14:09, skipping insertion in model container [2022-10-15 21:14:09,772 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:14:09" (1/1) ... [2022-10-15 21:14:09,782 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:14:10,016 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:14:10,992 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--btcoexist--btcoexist.ko-entry_point.cil.out.i[212867,212880] [2022-10-15 21:14:12,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:14:12,831 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:14:13,099 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--btcoexist--btcoexist.ko-entry_point.cil.out.i[212867,212880] [2022-10-15 21:14:13,591 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:14:13,764 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:14:13,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:14:13 WrapperNode [2022-10-15 21:14:13,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:14:13,766 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:14:13,766 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:14:13,766 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:14:13,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:14:13" (1/1) ... [2022-10-15 21:14:13,956 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:14:13" (1/1) ... [2022-10-15 21:14:14,193 INFO L138 Inliner]: procedures = 241, calls = 3122, calls flagged for inlining = 111, calls inlined = 96, statements flattened = 6371 [2022-10-15 21:14:14,194 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:14:14,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:14:14,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:14:14,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:14:14,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:14:13" (1/1) ... [2022-10-15 21:14:14,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:14:13" (1/1) ... [2022-10-15 21:14:14,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:14:13" (1/1) ... [2022-10-15 21:14:14,238 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:14:13" (1/1) ... [2022-10-15 21:14:14,392 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:14:13" (1/1) ... [2022-10-15 21:14:14,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:14:13" (1/1) ... [2022-10-15 21:14:14,469 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:14:13" (1/1) ... [2022-10-15 21:14:14,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:14:13" (1/1) ... [2022-10-15 21:14:14,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:14:14,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:14:14,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:14:14,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:14:14,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:14:13" (1/1) ... [2022-10-15 21:14:14,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:14:14,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:14:14,590 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 21:14:14,609 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 21:14:14,666 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_set_fw_ps_tdma [2022-10-15 21:14:14,667 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_set_fw_ps_tdma [2022-10-15 21:14:14,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-15 21:14:14,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-15 21:14:14,667 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_write_1byte [2022-10-15 21:14:14,667 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_write_1byte [2022-10-15 21:14:14,667 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_word [2022-10-15 21:14:14,668 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_word [2022-10-15 21:14:14,668 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_nomal_low_power [2022-10-15 21:14:14,668 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_nomal_low_power [2022-10-15 21:14:14,668 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_byte [2022-10-15 21:14:14,668 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_byte [2022-10-15 21:14:14,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:14:14,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:14:14,669 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_is_wifi_uplink [2022-10-15 21:14:14,669 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_is_wifi_uplink [2022-10-15 21:14:14,669 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_word [2022-10-15 21:14:14,670 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_word [2022-10-15 21:14:14,670 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_byte [2022-10-15 21:14:14,670 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_byte [2022-10-15 21:14:14,670 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u32~0~X~$Pointer$~TO~VOID [2022-10-15 21:14:14,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u32~0~X~$Pointer$~TO~VOID [2022-10-15 21:14:14,670 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-15 21:14:14,671 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-15 21:14:14,671 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b_med_stat_notify [2022-10-15 21:14:14,671 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b_med_stat_notify [2022-10-15 21:14:14,671 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_ps_tdma [2022-10-15 21:14:14,671 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_ps_tdma [2022-10-15 21:14:14,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:14:14,672 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_tdma_duration_adjust [2022-10-15 21:14:14,672 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_tdma_duration_adjust [2022-10-15 21:14:14,672 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_ignore_wlan_act [2022-10-15 21:14:14,672 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_ignore_wlan_act [2022-10-15 21:14:14,672 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_dword [2022-10-15 21:14:14,673 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_dword [2022-10-15 21:14:14,673 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_read_4byte [2022-10-15 21:14:14,673 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_read_4byte [2022-10-15 21:14:14,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:14:14,673 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_write_4byte [2022-10-15 21:14:14,673 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_write_4byte [2022-10-15 21:14:14,674 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_get_wifi_rssi [2022-10-15 21:14:14,674 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_get_wifi_rssi [2022-10-15 21:14:14,674 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u16~0~TO~VOID [2022-10-15 21:14:14,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u16~0~TO~VOID [2022-10-15 21:14:14,674 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_btc_scan_notify [2022-10-15 21:14:14,674 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_btc_scan_notify [2022-10-15 21:14:14,675 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_leave_low_power [2022-10-15 21:14:14,675 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_leave_low_power [2022-10-15 21:14:14,675 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2022-10-15 21:14:14,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2022-10-15 21:14:14,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:14:14,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:14:14,676 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_btc_connect_notify [2022-10-15 21:14:14,677 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_btc_connect_notify [2022-10-15 21:14:14,677 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_wifi_rssi_state [2022-10-15 21:14:14,678 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_wifi_rssi_state [2022-10-15 21:14:14,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-15 21:14:14,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-15 21:14:14,678 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u8~0~TO~VOID [2022-10-15 21:14:14,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u8~0~TO~VOID [2022-10-15 21:14:14,679 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_dec_bt_pwr [2022-10-15 21:14:14,679 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_dec_bt_pwr [2022-10-15 21:14:14,679 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_set_dac_swing_reg [2022-10-15 21:14:14,680 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_set_dac_swing_reg [2022-10-15 21:14:14,680 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2022-10-15 21:14:14,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2022-10-15 21:14:14,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:14:14,681 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_coex_alloff [2022-10-15 21:14:14,681 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_coex_alloff [2022-10-15 21:14:14,682 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u32~0~X~~u32~0~X~~u32~0~TO~VOID [2022-10-15 21:14:14,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u32~0~X~~u32~0~X~~u32~0~TO~VOID [2022-10-15 21:14:14,682 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_bt_rssi_state [2022-10-15 21:14:14,683 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_bt_rssi_state [2022-10-15 21:14:14,683 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b_coex_tbl_type [2022-10-15 21:14:14,683 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b_coex_tbl_type [2022-10-15 21:14:14,684 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2022-10-15 21:14:14,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2022-10-15 21:14:14,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:14:14,685 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_enter_lps [2022-10-15 21:14:14,685 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_enter_lps [2022-10-15 21:14:14,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:14:14,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:14:14,686 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2022-10-15 21:14:14,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2022-10-15 21:14:14,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:14:14,686 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_read_1byte [2022-10-15 21:14:14,686 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_read_1byte [2022-10-15 21:14:14,687 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_is_bt_coexist_available [2022-10-15 21:14:14,687 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_is_bt_coexist_available [2022-10-15 21:14:14,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:14:14,688 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_sw_mechanism1 [2022-10-15 21:14:14,688 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_sw_mechanism1 [2022-10-15 21:14:14,688 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_sw_mechanism2 [2022-10-15 21:14:14,689 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_sw_mechanism2 [2022-10-15 21:14:14,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:14:14,690 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_fw_dac_swing_lvl [2022-10-15 21:14:14,690 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_fw_dac_swing_lvl [2022-10-15 21:14:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-15 21:14:14,691 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_fill_h2c_cmd [2022-10-15 21:14:14,691 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_fill_h2c_cmd [2022-10-15 21:14:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b_need_dec_pwr [2022-10-15 21:14:14,692 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b_need_dec_pwr [2022-10-15 21:14:14,692 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_coex_table [2022-10-15 21:14:14,692 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_coex_table [2022-10-15 21:14:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_leave_lps [2022-10-15 21:14:14,693 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_leave_lps [2022-10-15 21:14:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_run_coexist_mechanism [2022-10-15 21:14:14,693 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_run_coexist_mechanism [2022-10-15 21:14:14,693 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~~bool~0 [2022-10-15 21:14:14,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~~bool~0 [2022-10-15 21:14:14,694 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_btc_ips_notify [2022-10-15 21:14:14,694 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_btc_ips_notify [2022-10-15 21:14:14,694 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_dword [2022-10-15 21:14:14,694 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_dword [2022-10-15 21:14:14,695 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_write_2byte [2022-10-15 21:14:14,695 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_write_2byte [2022-10-15 21:14:14,695 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u8~0~TO~VOID [2022-10-15 21:14:14,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u8~0~TO~VOID [2022-10-15 21:14:14,695 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_read_2byte [2022-10-15 21:14:14,695 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_read_2byte [2022-10-15 21:14:14,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:14:14,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-10-15 21:14:14,698 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_set [2022-10-15 21:14:14,699 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_set [2022-10-15 21:14:14,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:14:14,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:14:14,707 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-10-15 21:14:14,708 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-10-15 21:14:15,663 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:14:15,667 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:14:17,950 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-15 21:14:21,976 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:14:22,013 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:14:22,014 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-15 21:14:22,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:14:22 BoogieIcfgContainer [2022-10-15 21:14:22,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:14:22,024 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:14:22,024 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:14:22,028 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:14:22,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:14:09" (1/3) ... [2022-10-15 21:14:22,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1562cce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:14:22, skipping insertion in model container [2022-10-15 21:14:22,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:14:13" (2/3) ... [2022-10-15 21:14:22,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1562cce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:14:22, skipping insertion in model container [2022-10-15 21:14:22,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:14:22" (3/3) ... [2022-10-15 21:14:22,032 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--btcoexist--btcoexist.ko-entry_point.cil.out.i [2022-10-15 21:14:22,055 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:14:22,055 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 64 error locations. [2022-10-15 21:14:22,184 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:14:22,193 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;@2c03bc96, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:14:22,193 INFO L358 AbstractCegarLoop]: Starting to check reachability of 64 error locations. [2022-10-15 21:14:22,212 INFO L276 IsEmpty]: Start isEmpty. Operand has 2800 states, 1916 states have (on average 1.4874739039665972) internal successors, (2850), 2090 states have internal predecessors, (2850), 763 states have call successors, (763), 57 states have call predecessors, (763), 56 states have return successors, (760), 668 states have call predecessors, (760), 760 states have call successors, (760) [2022-10-15 21:14:22,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-15 21:14:22,224 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:14:22,225 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:14:22,225 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [btc8723b2ant_set_fw_ps_tdmaErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, btc8723b2ant_set_fw_ps_tdmaErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2022-10-15 21:14:22,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:14:22,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1405457245, now seen corresponding path program 1 times [2022-10-15 21:14:22,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:14:22,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146359775] [2022-10-15 21:14:22,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:14:22,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:14:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:22,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:14:22,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:22,978 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 21:14:22,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:14:22,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146359775] [2022-10-15 21:14:22,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146359775] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:14:22,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:14:22,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:14:22,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163388330] [2022-10-15 21:14:22,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:14:22,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:14:22,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:14:23,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:14:23,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:14:23,035 INFO L87 Difference]: Start difference. First operand has 2800 states, 1916 states have (on average 1.4874739039665972) internal successors, (2850), 2090 states have internal predecessors, (2850), 763 states have call successors, (763), 57 states have call predecessors, (763), 56 states have return successors, (760), 668 states have call predecessors, (760), 760 states have call successors, (760) Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 21:14:24,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:14:29,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:14:29,133 INFO L93 Difference]: Finished difference Result 5069 states and 8069 transitions. [2022-10-15 21:14:29,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:14:29,137 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 21 [2022-10-15 21:14:29,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:14:29,184 INFO L225 Difference]: With dead ends: 5069 [2022-10-15 21:14:29,185 INFO L226 Difference]: Without dead ends: 2353 [2022-10-15 21:14:29,258 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 21:14:29,262 INFO L413 NwaCegarLoop]: 3863 mSDtfsCounter, 414 mSDsluCounter, 1812 mSDsCounter, 0 mSdLazyCounter, 1227 mSolverCounterSat, 698 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 5675 SdHoareTripleChecker+Invalid, 1925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 698 IncrementalHoareTripleChecker+Valid, 1227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-10-15 21:14:29,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [446 Valid, 5675 Invalid, 1925 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [698 Valid, 1227 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-10-15 21:14:29,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2353 states. [2022-10-15 21:14:29,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2353 to 2276. [2022-10-15 21:14:29,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2276 states, 1597 states have (on average 1.4890419536631183) internal successors, (2378), 1716 states have internal predecessors, (2378), 629 states have call successors, (629), 32 states have call predecessors, (629), 31 states have return successors, (602), 537 states have call predecessors, (602), 602 states have call successors, (602) [2022-10-15 21:14:29,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2276 states to 2276 states and 3609 transitions. [2022-10-15 21:14:29,597 INFO L78 Accepts]: Start accepts. Automaton has 2276 states and 3609 transitions. Word has length 21 [2022-10-15 21:14:29,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:14:29,598 INFO L495 AbstractCegarLoop]: Abstraction has 2276 states and 3609 transitions. [2022-10-15 21:14:29,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 21:14:29,599 INFO L276 IsEmpty]: Start isEmpty. Operand 2276 states and 3609 transitions. [2022-10-15 21:14:29,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-15 21:14:29,609 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:14:29,609 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:14:29,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:14:29,610 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting btc8723b2ant_set_fw_ps_tdmaErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [btc8723b2ant_set_fw_ps_tdmaErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, btc8723b2ant_set_fw_ps_tdmaErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2022-10-15 21:14:29,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:14:29,611 INFO L85 PathProgramCache]: Analyzing trace with hash 810475503, now seen corresponding path program 1 times [2022-10-15 21:14:29,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:14:29,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7499332] [2022-10-15 21:14:29,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:14:29,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:14:29,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:30,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:14:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:30,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:14:30,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:30,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 21:14:30,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:30,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-15 21:14:30,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:30,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-15 21:14:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:30,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-15 21:14:30,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:30,173 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-15 21:14:30,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:14:30,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7499332] [2022-10-15 21:14:30,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7499332] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:14:30,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:14:30,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:14:30,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819026435] [2022-10-15 21:14:30,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:14:30,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:14:30,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:14:30,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:14:30,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:14:30,184 INFO L87 Difference]: Start difference. First operand 2276 states and 3609 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-15 21:14:32,328 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 21:14:36,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:14:36,876 INFO L93 Difference]: Finished difference Result 4650 states and 7422 transitions. [2022-10-15 21:14:36,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:14:36,877 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 75 [2022-10-15 21:14:36,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:14:36,908 INFO L225 Difference]: With dead ends: 4650 [2022-10-15 21:14:36,908 INFO L226 Difference]: Without dead ends: 2382 [2022-10-15 21:14:36,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:14:36,962 INFO L413 NwaCegarLoop]: 3592 mSDtfsCounter, 429 mSDsluCounter, 4857 mSDsCounter, 0 mSdLazyCounter, 1732 mSolverCounterSat, 633 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 8449 SdHoareTripleChecker+Invalid, 2366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 633 IncrementalHoareTripleChecker+Valid, 1732 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:14:36,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 8449 Invalid, 2366 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [633 Valid, 1732 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2022-10-15 21:14:36,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2382 states. [2022-10-15 21:14:37,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2382 to 2303. [2022-10-15 21:14:37,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2303 states, 1621 states have (on average 1.48673658235657) internal successors, (2410), 1740 states have internal predecessors, (2410), 630 states have call successors, (630), 34 states have call predecessors, (630), 33 states have return successors, (603), 538 states have call predecessors, (603), 603 states have call successors, (603) [2022-10-15 21:14:37,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2303 states to 2303 states and 3643 transitions. [2022-10-15 21:14:37,224 INFO L78 Accepts]: Start accepts. Automaton has 2303 states and 3643 transitions. Word has length 75 [2022-10-15 21:14:37,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:14:37,225 INFO L495 AbstractCegarLoop]: Abstraction has 2303 states and 3643 transitions. [2022-10-15 21:14:37,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-15 21:14:37,226 INFO L276 IsEmpty]: Start isEmpty. Operand 2303 states and 3643 transitions. [2022-10-15 21:14:37,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-15 21:14:37,231 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:14:37,231 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:14:37,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:14:37,232 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting btc8723b2ant_set_fw_ps_tdmaErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [btc8723b2ant_set_fw_ps_tdmaErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, btc8723b2ant_set_fw_ps_tdmaErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2022-10-15 21:14:37,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:14:37,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1150957066, now seen corresponding path program 1 times [2022-10-15 21:14:37,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:14:37,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880422682] [2022-10-15 21:14:37,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:14:37,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:14:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:37,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:14:37,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:37,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 21:14:37,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:37,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-15 21:14:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:37,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-15 21:14:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:37,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-15 21:14:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:37,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-15 21:14:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:37,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-15 21:14:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:37,682 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-15 21:14:37,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:14:37,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880422682] [2022-10-15 21:14:37,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880422682] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:14:37,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:14:37,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:14:37,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620243014] [2022-10-15 21:14:37,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:14:37,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:14:37,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:14:37,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:14:37,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:14:37,694 INFO L87 Difference]: Start difference. First operand 2303 states and 3643 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-15 21:14:41,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:14:44,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:14:44,834 INFO L93 Difference]: Finished difference Result 5025 states and 8019 transitions. [2022-10-15 21:14:44,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:14:44,835 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 90 [2022-10-15 21:14:44,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:14:44,867 INFO L225 Difference]: With dead ends: 5025 [2022-10-15 21:14:44,867 INFO L226 Difference]: Without dead ends: 2741 [2022-10-15 21:14:44,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:14:44,900 INFO L413 NwaCegarLoop]: 4123 mSDtfsCounter, 803 mSDsluCounter, 5273 mSDsCounter, 0 mSdLazyCounter, 1867 mSolverCounterSat, 633 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 905 SdHoareTripleChecker+Valid, 9396 SdHoareTripleChecker+Invalid, 2500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 633 IncrementalHoareTripleChecker+Valid, 1867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-10-15 21:14:44,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [905 Valid, 9396 Invalid, 2500 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [633 Valid, 1867 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2022-10-15 21:14:44,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2741 states. [2022-10-15 21:14:45,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2741 to 2304. [2022-10-15 21:14:45,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2304 states, 1622 states have (on average 1.4864364981504317) internal successors, (2411), 1741 states have internal predecessors, (2411), 630 states have call successors, (630), 34 states have call predecessors, (630), 33 states have return successors, (603), 538 states have call predecessors, (603), 603 states have call successors, (603) [2022-10-15 21:14:45,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2304 states to 2304 states and 3644 transitions. [2022-10-15 21:14:45,089 INFO L78 Accepts]: Start accepts. Automaton has 2304 states and 3644 transitions. Word has length 90 [2022-10-15 21:14:45,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:14:45,091 INFO L495 AbstractCegarLoop]: Abstraction has 2304 states and 3644 transitions. [2022-10-15 21:14:45,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-15 21:14:45,092 INFO L276 IsEmpty]: Start isEmpty. Operand 2304 states and 3644 transitions. [2022-10-15 21:14:45,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-15 21:14:45,097 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:14:45,098 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:14:45,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:14:45,098 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting btc8723b2ant_set_fw_ps_tdmaErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [btc8723b2ant_set_fw_ps_tdmaErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, btc8723b2ant_set_fw_ps_tdmaErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2022-10-15 21:14:45,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:14:45,099 INFO L85 PathProgramCache]: Analyzing trace with hash 888134657, now seen corresponding path program 1 times [2022-10-15 21:14:45,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:14:45,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279992554] [2022-10-15 21:14:45,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:14:45,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:14:45,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:45,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:14:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:45,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 21:14:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:45,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-15 21:14:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:46,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-15 21:14:46,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:46,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-15 21:14:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:46,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-15 21:14:46,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:46,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-15 21:14:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:46,129 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-15 21:14:46,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:14:46,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279992554] [2022-10-15 21:14:46,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279992554] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:14:46,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:14:46,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 21:14:46,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082084130] [2022-10-15 21:14:46,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:14:46,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:14:46,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:14:46,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:14:46,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:14:46,133 INFO L87 Difference]: Start difference. First operand 2304 states and 3644 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-15 21:14:47,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:14:52,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:14:52,523 INFO L93 Difference]: Finished difference Result 4697 states and 7500 transitions. [2022-10-15 21:14:52,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 21:14:52,524 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 90 [2022-10-15 21:14:52,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:14:52,559 INFO L225 Difference]: With dead ends: 4697 [2022-10-15 21:14:52,559 INFO L226 Difference]: Without dead ends: 2412 [2022-10-15 21:14:52,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-10-15 21:14:52,592 INFO L413 NwaCegarLoop]: 3591 mSDtfsCounter, 416 mSDsluCounter, 11312 mSDsCounter, 0 mSdLazyCounter, 2771 mSolverCounterSat, 635 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 14903 SdHoareTripleChecker+Invalid, 3406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 635 IncrementalHoareTripleChecker+Valid, 2771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:14:52,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 14903 Invalid, 3406 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [635 Valid, 2771 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-10-15 21:14:52,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2412 states. [2022-10-15 21:14:52,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2412 to 2308. [2022-10-15 21:14:52,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2308 states, 1625 states have (on average 1.4855384615384615) internal successors, (2414), 1744 states have internal predecessors, (2414), 630 states have call successors, (630), 34 states have call predecessors, (630), 34 states have return successors, (614), 539 states have call predecessors, (614), 603 states have call successors, (614) [2022-10-15 21:14:52,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2308 states to 2308 states and 3658 transitions. [2022-10-15 21:14:52,776 INFO L78 Accepts]: Start accepts. Automaton has 2308 states and 3658 transitions. Word has length 90 [2022-10-15 21:14:52,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:14:52,777 INFO L495 AbstractCegarLoop]: Abstraction has 2308 states and 3658 transitions. [2022-10-15 21:14:52,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-15 21:14:52,778 INFO L276 IsEmpty]: Start isEmpty. Operand 2308 states and 3658 transitions. [2022-10-15 21:14:52,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-15 21:14:52,783 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:14:52,783 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:14:52,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 21:14:52,784 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting btc8723b2ant_set_fw_ps_tdmaErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [btc8723b2ant_set_fw_ps_tdmaErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, btc8723b2ant_set_fw_ps_tdmaErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2022-10-15 21:14:52,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:14:52,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1574603788, now seen corresponding path program 1 times [2022-10-15 21:14:52,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:14:52,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16458095] [2022-10-15 21:14:52,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:14:52,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:14:52,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:53,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:14:53,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:53,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-15 21:14:53,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:53,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-15 21:14:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:53,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-15 21:14:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:53,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-15 21:14:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:53,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-15 21:14:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:53,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-15 21:14:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:14:53,692 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-15 21:14:53,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:14:53,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16458095] [2022-10-15 21:14:53,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16458095] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:14:53,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:14:53,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 21:14:53,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303067701] [2022-10-15 21:14:53,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:14:53,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:14:53,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:14:53,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:14:53,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:14:53,696 INFO L87 Difference]: Start difference. First operand 2308 states and 3658 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-15 21:14:55,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []