/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-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--wireless--rtlwifi--btcoexist--btcoexist.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:18:55,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:18:55,136 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:18:55,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:18:55,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:18:55,178 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:18:55,192 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:18:55,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:18:55,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:18:55,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:18:55,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:18:55,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:18:55,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:18:55,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:18:55,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:18:55,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:18:55,208 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:18:55,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:18:55,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:18:55,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:18:55,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:18:55,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:18:55,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:18:55,229 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:18:55,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:18:55,234 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:18:55,235 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:18:55,236 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:18:55,237 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:18:55,238 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:18:55,239 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:18:55,240 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:18:55,241 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:18:55,242 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:18:55,243 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:18:55,244 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:18:55,245 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:18:55,245 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:18:55,246 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:18:55,247 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:18:55,248 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:18:55,249 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 21:18:55,283 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:18:55,284 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:18:55,284 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:18:55,285 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:18:55,286 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:18:55,286 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:18:55,289 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:18:55,289 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:18:55,289 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:18:55,292 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:18:55,293 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:18:55,294 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:18:55,294 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:18:55,294 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:18:55,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:18:55,295 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:18:55,295 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:18:55,295 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:18:55,296 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:18:55,296 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:18:55,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:18:55,296 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:18:55,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:18:55,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:18:55,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:18:55,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:18:55,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:18:55,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:18:55,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:18:55,299 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:18:55,299 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:18:55,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:18:55,300 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:18:55,300 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:18:55,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:18:55,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:18:55,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:18:55,826 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:18:55,827 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:18:55,830 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--wireless--rtlwifi--btcoexist--btcoexist.ko-entry_point.cil.out.i [2022-10-15 21:18:55,923 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/803a7b19a/30803b2855a34c489f82bb5d4e631c45/FLAGbd5505535 [2022-10-15 21:18:57,367 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:18:57,368 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--wireless--rtlwifi--btcoexist--btcoexist.ko-entry_point.cil.out.i [2022-10-15 21:18:57,471 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/803a7b19a/30803b2855a34c489f82bb5d4e631c45/FLAGbd5505535 [2022-10-15 21:18:57,945 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/803a7b19a/30803b2855a34c489f82bb5d4e631c45 [2022-10-15 21:18:57,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:18:57,955 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:18:57,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:18:57,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:18:57,964 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:18:57,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:18:57" (1/1) ... [2022-10-15 21:18:57,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59fb5e66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:18:57, skipping insertion in model container [2022-10-15 21:18:57,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:18:57" (1/1) ... [2022-10-15 21:18:57,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:18:58,249 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:18:59,095 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [7477] [2022-10-15 21:18:59,096 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [7478-7479] [2022-10-15 21:18:59,313 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-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--wireless--rtlwifi--btcoexist--btcoexist.ko-entry_point.cil.out.i[214832,214845] [2022-10-15 21:19:01,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:19:01,609 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:19:01,846 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [7477] [2022-10-15 21:19:01,846 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [7478-7479] [2022-10-15 21:19:01,851 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-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--wireless--rtlwifi--btcoexist--btcoexist.ko-entry_point.cil.out.i[214832,214845] [2022-10-15 21:19:02,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:19:02,470 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:19:02,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:19:02 WrapperNode [2022-10-15 21:19:02,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:19:02,473 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:19:02,473 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:19:02,473 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:19:02,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:19:02" (1/1) ... [2022-10-15 21:19:02,643 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:19:02" (1/1) ... [2022-10-15 21:19:02,936 INFO L138 Inliner]: procedures = 250, calls = 3159, calls flagged for inlining = 106, calls inlined = 94, statements flattened = 6352 [2022-10-15 21:19:02,936 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:19:02,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:19:02,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:19:02,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:19:02,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:19:02" (1/1) ... [2022-10-15 21:19:02,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:19:02" (1/1) ... [2022-10-15 21:19:03,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:19:02" (1/1) ... [2022-10-15 21:19:03,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:19:02" (1/1) ... [2022-10-15 21:19:03,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:19:02" (1/1) ... [2022-10-15 21:19:03,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:19:02" (1/1) ... [2022-10-15 21:19:03,355 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:19:02" (1/1) ... [2022-10-15 21:19:03,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:19:02" (1/1) ... [2022-10-15 21:19:03,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:19:03,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:19:03,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:19:03,426 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:19:03,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:19:02" (1/1) ... [2022-10-15 21:19:03,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:19:03,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:19:03,465 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 21:19:03,476 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 21:19:03,545 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_set_fw_ps_tdma [2022-10-15 21:19:03,546 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_set_fw_ps_tdma [2022-10-15 21:19:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-15 21:19:03,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-15 21:19:03,548 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_write_1byte [2022-10-15 21:19:03,549 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_write_1byte [2022-10-15 21:19:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_word [2022-10-15 21:19:03,549 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_word [2022-10-15 21:19:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_nomal_low_power [2022-10-15 21:19:03,549 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_nomal_low_power [2022-10-15 21:19:03,549 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_byte [2022-10-15 21:19:03,549 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_byte [2022-10-15 21:19:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_is_wifi_uplink [2022-10-15 21:19:03,550 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_is_wifi_uplink [2022-10-15 21:19:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_word [2022-10-15 21:19:03,550 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_word [2022-10-15 21:19:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_byte [2022-10-15 21:19:03,550 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_byte [2022-10-15 21:19:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u32~0~X~$Pointer$~TO~VOID [2022-10-15 21:19:03,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u32~0~X~$Pointer$~TO~VOID [2022-10-15 21:19:03,551 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-15 21:19:03,551 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-15 21:19:03,551 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b_med_stat_notify [2022-10-15 21:19:03,551 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b_med_stat_notify [2022-10-15 21:19:03,551 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_ps_tdma [2022-10-15 21:19:03,552 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_ps_tdma [2022-10-15 21:19:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:19:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_tdma_duration_adjust [2022-10-15 21:19:03,552 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_tdma_duration_adjust [2022-10-15 21:19:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_ignore_wlan_act [2022-10-15 21:19:03,552 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_ignore_wlan_act [2022-10-15 21:19:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_dword [2022-10-15 21:19:03,553 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_dword [2022-10-15 21:19:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_read_4byte [2022-10-15 21:19:03,553 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_read_4byte [2022-10-15 21:19:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:19:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_write_4byte [2022-10-15 21:19:03,553 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_write_4byte [2022-10-15 21:19:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_get_wifi_rssi [2022-10-15 21:19:03,554 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_get_wifi_rssi [2022-10-15 21:19:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u16~0~TO~VOID [2022-10-15 21:19:03,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u16~0~TO~VOID [2022-10-15 21:19:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_btc_scan_notify [2022-10-15 21:19:03,554 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_btc_scan_notify [2022-10-15 21:19:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_leave_low_power [2022-10-15 21:19:03,555 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_leave_low_power [2022-10-15 21:19:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2022-10-15 21:19:03,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2022-10-15 21:19:03,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:19:03,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:19:03,557 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_btc_connect_notify [2022-10-15 21:19:03,557 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_btc_connect_notify [2022-10-15 21:19:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_wifi_rssi_state [2022-10-15 21:19:03,558 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_wifi_rssi_state [2022-10-15 21:19:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-15 21:19:03,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-15 21:19:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u8~0~TO~VOID [2022-10-15 21:19:03,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u8~0~TO~VOID [2022-10-15 21:19:03,560 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_dec_bt_pwr [2022-10-15 21:19:03,560 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_dec_bt_pwr [2022-10-15 21:19:03,560 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_set_dac_swing_reg [2022-10-15 21:19:03,561 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_set_dac_swing_reg [2022-10-15 21:19:03,561 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2022-10-15 21:19:03,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2022-10-15 21:19:03,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:19:03,562 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_coex_alloff [2022-10-15 21:19:03,562 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_coex_alloff [2022-10-15 21:19:03,562 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 21:19:03,563 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 21:19:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_bt_rssi_state [2022-10-15 21:19:03,563 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_bt_rssi_state [2022-10-15 21:19:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b_coex_tbl_type [2022-10-15 21:19:03,564 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b_coex_tbl_type [2022-10-15 21:19:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2022-10-15 21:19:03,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2022-10-15 21:19:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:19:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_enter_lps [2022-10-15 21:19:03,565 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_enter_lps [2022-10-15 21:19:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:19:03,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:19:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2022-10-15 21:19:03,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2022-10-15 21:19:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:19:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_read_1byte [2022-10-15 21:19:03,567 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_read_1byte [2022-10-15 21:19:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_is_bt_coexist_available [2022-10-15 21:19:03,567 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_is_bt_coexist_available [2022-10-15 21:19:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:19:03,568 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_sw_mechanism1 [2022-10-15 21:19:03,569 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_sw_mechanism1 [2022-10-15 21:19:03,569 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_sw_mechanism2 [2022-10-15 21:19:03,569 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_sw_mechanism2 [2022-10-15 21:19:03,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:19:03,569 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_fw_dac_swing_lvl [2022-10-15 21:19:03,570 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_fw_dac_swing_lvl [2022-10-15 21:19:03,570 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-15 21:19:03,570 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_fill_h2c_cmd [2022-10-15 21:19:03,570 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_fill_h2c_cmd [2022-10-15 21:19:03,570 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b_need_dec_pwr [2022-10-15 21:19:03,571 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b_need_dec_pwr [2022-10-15 21:19:03,571 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_coex_table [2022-10-15 21:19:03,571 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_coex_table [2022-10-15 21:19:03,571 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_leave_lps [2022-10-15 21:19:03,571 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_leave_lps [2022-10-15 21:19:03,571 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_run_coexist_mechanism [2022-10-15 21:19:03,572 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_run_coexist_mechanism [2022-10-15 21:19:03,572 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~~bool~0 [2022-10-15 21:19:03,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~~bool~0 [2022-10-15 21:19:03,572 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_btc_ips_notify [2022-10-15 21:19:03,572 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_btc_ips_notify [2022-10-15 21:19:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_dword [2022-10-15 21:19:03,573 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_dword [2022-10-15 21:19:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_write_2byte [2022-10-15 21:19:03,573 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_write_2byte [2022-10-15 21:19:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u8~0~TO~VOID [2022-10-15 21:19:03,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u8~0~TO~VOID [2022-10-15 21:19:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_read_2byte [2022-10-15 21:19:03,575 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_read_2byte [2022-10-15 21:19:03,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:19:03,577 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-10-15 21:19:03,580 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_set [2022-10-15 21:19:03,585 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_set [2022-10-15 21:19:03,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:19:03,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:19:03,585 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-10-15 21:19:03,585 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-10-15 21:19:04,594 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:19:04,598 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:19:07,121 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-15 21:19:13,082 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:19:13,264 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:19:13,264 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-15 21:19:13,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:19:13 BoogieIcfgContainer [2022-10-15 21:19:13,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:19:13,281 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:19:13,282 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:19:13,287 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:19:13,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:18:57" (1/3) ... [2022-10-15 21:19:13,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5946b9d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:19:13, skipping insertion in model container [2022-10-15 21:19:13,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:19:02" (2/3) ... [2022-10-15 21:19:13,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5946b9d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:19:13, skipping insertion in model container [2022-10-15 21:19:13,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:19:13" (3/3) ... [2022-10-15 21:19:13,291 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--wireless--rtlwifi--btcoexist--btcoexist.ko-entry_point.cil.out.i [2022-10-15 21:19:13,325 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:19:13,326 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 64 error locations. [2022-10-15 21:19:13,526 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:19:13,535 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;@7ff93bbb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:19:13,536 INFO L358 AbstractCegarLoop]: Starting to check reachability of 64 error locations. [2022-10-15 21:19:13,555 INFO L276 IsEmpty]: Start isEmpty. Operand has 2793 states, 1911 states have (on average 1.488226059654631) internal successors, (2844), 2084 states have internal predecessors, (2844), 762 states have call successors, (762), 56 states have call predecessors, (762), 55 states have return successors, (759), 667 states have call predecessors, (759), 759 states have call successors, (759) [2022-10-15 21:19:13,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-15 21:19:13,570 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:19:13,571 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] [2022-10-15 21:19:13,572 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 21:19:13,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:19:13,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1100756096, now seen corresponding path program 1 times [2022-10-15 21:19:13,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:19:13,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81480112] [2022-10-15 21:19:13,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:19:13,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:19:14,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:19:14,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:19:14,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:19:14,439 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 21:19:14,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:19:14,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81480112] [2022-10-15 21:19:14,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81480112] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:19:14,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:19:14,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:19:14,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722307808] [2022-10-15 21:19:14,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:19:14,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:19:14,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:19:14,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:19:14,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:19:14,508 INFO L87 Difference]: Start difference. First operand has 2793 states, 1911 states have (on average 1.488226059654631) internal successors, (2844), 2084 states have internal predecessors, (2844), 762 states have call successors, (762), 56 states have call predecessors, (762), 55 states have return successors, (759), 667 states have call predecessors, (759), 759 states have call successors, (759) Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 21:19:16,710 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 21:19:22,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:19:22,333 INFO L93 Difference]: Finished difference Result 5057 states and 8054 transitions. [2022-10-15 21:19:22,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:19:22,337 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 20 [2022-10-15 21:19:22,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:19:22,393 INFO L225 Difference]: With dead ends: 5057 [2022-10-15 21:19:22,393 INFO L226 Difference]: Without dead ends: 2352 [2022-10-15 21:19:22,469 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 21:19:22,475 INFO L413 NwaCegarLoop]: 3870 mSDtfsCounter, 414 mSDsluCounter, 1822 mSDsCounter, 0 mSdLazyCounter, 1225 mSolverCounterSat, 697 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 5692 SdHoareTripleChecker+Invalid, 1923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 697 IncrementalHoareTripleChecker+Valid, 1225 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:19:22,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [446 Valid, 5692 Invalid, 1923 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [697 Valid, 1225 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2022-10-15 21:19:22,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2352 states. [2022-10-15 21:19:22,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2352 to 2275. [2022-10-15 21:19:22,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2275 states, 1596 states have (on average 1.4893483709273183) internal successors, (2377), 1715 states have internal predecessors, (2377), 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 21:19:22,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2275 states to 2275 states and 3608 transitions. [2022-10-15 21:19:22,851 INFO L78 Accepts]: Start accepts. Automaton has 2275 states and 3608 transitions. Word has length 20 [2022-10-15 21:19:22,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:19:22,852 INFO L495 AbstractCegarLoop]: Abstraction has 2275 states and 3608 transitions. [2022-10-15 21:19:22,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 21:19:22,853 INFO L276 IsEmpty]: Start isEmpty. Operand 2275 states and 3608 transitions. [2022-10-15 21:19:22,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-15 21:19:22,865 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:19:22,865 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 21:19:22,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:19:22,866 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 21:19:22,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:19:22,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1436013501, now seen corresponding path program 1 times [2022-10-15 21:19:22,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:19:22,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691432671] [2022-10-15 21:19:22,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:19:22,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:19:23,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:19:23,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:19:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:19:23,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-15 21:19:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:19:23,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-15 21:19:23,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:19:23,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-15 21:19:23,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:19:23,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-15 21:19:23,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:19:23,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-15 21:19:23,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:19:23,582 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 21:19:23,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:19:23,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691432671] [2022-10-15 21:19:23,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691432671] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:19:23,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:19:23,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:19:23,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48165340] [2022-10-15 21:19:23,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:19:23,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:19:23,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:19:23,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:19:23,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:19:23,594 INFO L87 Difference]: Start difference. First operand 2275 states and 3608 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 21:19:24,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:19:30,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:19:30,482 INFO L93 Difference]: Finished difference Result 4649 states and 7421 transitions. [2022-10-15 21:19:30,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:19:30,483 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 21:19:30,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:19:30,520 INFO L225 Difference]: With dead ends: 4649 [2022-10-15 21:19:30,521 INFO L226 Difference]: Without dead ends: 2381 [2022-10-15 21:19:30,583 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 21:19:30,585 INFO L413 NwaCegarLoop]: 3587 mSDtfsCounter, 428 mSDsluCounter, 4850 mSDsCounter, 0 mSdLazyCounter, 1732 mSolverCounterSat, 633 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 461 SdHoareTripleChecker+Valid, 8437 SdHoareTripleChecker+Invalid, 2365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 633 IncrementalHoareTripleChecker+Valid, 1732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-10-15 21:19:30,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [461 Valid, 8437 Invalid, 2365 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [633 Valid, 1732 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-10-15 21:19:30,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2381 states. [2022-10-15 21:19:30,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2381 to 2302. [2022-10-15 21:19:30,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2302 states, 1620 states have (on average 1.487037037037037) internal successors, (2409), 1739 states have internal predecessors, (2409), 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 21:19:30,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2302 states to 2302 states and 3642 transitions. [2022-10-15 21:19:30,813 INFO L78 Accepts]: Start accepts. Automaton has 2302 states and 3642 transitions. Word has length 75 [2022-10-15 21:19:30,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:19:30,816 INFO L495 AbstractCegarLoop]: Abstraction has 2302 states and 3642 transitions. [2022-10-15 21:19:30,817 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 21:19:30,817 INFO L276 IsEmpty]: Start isEmpty. Operand 2302 states and 3642 transitions. [2022-10-15 21:19:30,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-15 21:19:30,826 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:19:30,828 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, 1, 1] [2022-10-15 21:19:30,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:19:30,829 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 21:19:30,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:19:30,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1939122577, now seen corresponding path program 1 times [2022-10-15 21:19:30,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:19:30,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113003910] [2022-10-15 21:19:30,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:19:30,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:19:31,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:19:31,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:19:31,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:19:31,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:19:31,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:19:31,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-15 21:19:31,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:19:31,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-15 21:19:31,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:19:31,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-10-15 21:19:31,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:19:31,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-15 21:19:31,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:19:31,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-15 21:19:31,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:19:31,582 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 21:19:31,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:19:31,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113003910] [2022-10-15 21:19:31,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113003910] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:19:31,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:19:31,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:19:31,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174956853] [2022-10-15 21:19:31,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:19:31,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:19:31,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:19:31,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:19:31,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:19:31,588 INFO L87 Difference]: Start difference. First operand 2302 states and 3642 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-15 21:19:33,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:19:38,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:19:38,968 INFO L93 Difference]: Finished difference Result 4623 states and 7545 transitions. [2022-10-15 21:19:38,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:19:38,969 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 92 [2022-10-15 21:19:38,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:19:39,012 INFO L225 Difference]: With dead ends: 4623 [2022-10-15 21:19:39,012 INFO L226 Difference]: Without dead ends: 2339 [2022-10-15 21:19:39,121 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 21:19:39,123 INFO L413 NwaCegarLoop]: 3522 mSDtfsCounter, 386 mSDsluCounter, 4788 mSDsCounter, 0 mSdLazyCounter, 1692 mSolverCounterSat, 608 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 417 SdHoareTripleChecker+Valid, 8310 SdHoareTripleChecker+Invalid, 2300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 608 IncrementalHoareTripleChecker+Valid, 1692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-10-15 21:19:39,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [417 Valid, 8310 Invalid, 2300 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [608 Valid, 1692 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2022-10-15 21:19:39,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2339 states. [2022-10-15 21:19:39,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2339 to 2259. [2022-10-15 21:19:39,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2259 states, 1598 states have (on average 1.4799749687108885) internal successors, (2365), 1696 states have internal predecessors, (2365), 609 states have call successors, (609), 34 states have call predecessors, (609), 33 states have return successors, (603), 538 states have call predecessors, (603), 603 states have call successors, (603) [2022-10-15 21:19:39,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2259 states to 2259 states and 3577 transitions. [2022-10-15 21:19:39,523 INFO L78 Accepts]: Start accepts. Automaton has 2259 states and 3577 transitions. Word has length 92 [2022-10-15 21:19:39,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:19:39,528 INFO L495 AbstractCegarLoop]: Abstraction has 2259 states and 3577 transitions. [2022-10-15 21:19:39,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-15 21:19:39,529 INFO L276 IsEmpty]: Start isEmpty. Operand 2259 states and 3577 transitions. [2022-10-15 21:19:39,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-15 21:19:39,536 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:19:39,537 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, 1] [2022-10-15 21:19:39,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:19:39,538 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 21:19:39,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:19:39,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1743817874, now seen corresponding path program 1 times [2022-10-15 21:19:39,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:19:39,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879272747] [2022-10-15 21:19:39,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:19:39,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:19:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:19:40,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:19:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:19:40,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:19:40,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:19:40,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-15 21:19:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:19:40,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-15 21:19:40,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:19:40,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-10-15 21:19:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:19:40,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-15 21:19:40,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:19:40,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-15 21:19:40,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:19:40,797 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 21:19:40,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:19:40,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879272747] [2022-10-15 21:19:40,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879272747] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:19:40,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:19:40,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 21:19:40,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527665579] [2022-10-15 21:19:40,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:19:40,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 21:19:40,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:19:40,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 21:19:40,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:19:40,801 INFO L87 Difference]: Start difference. First operand 2259 states and 3577 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 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 21:19:42,970 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 []