/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 [2022-10-16 13:22:46,993 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 13:22:46,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 13:22:47,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 13:22:47,048 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 13:22:47,052 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 13:22:47,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 13:22:47,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 13:22:47,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 13:22:47,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 13:22:47,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 13:22:47,079 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 13:22:47,080 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 13:22:47,081 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 13:22:47,082 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 13:22:47,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 13:22:47,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 13:22:47,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 13:22:47,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 13:22:47,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 13:22:47,091 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 13:22:47,092 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 13:22:47,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 13:22:47,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 13:22:47,099 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 13:22:47,099 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 13:22:47,099 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 13:22:47,100 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 13:22:47,101 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 13:22:47,102 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 13:22:47,102 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 13:22:47,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 13:22:47,104 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 13:22:47,105 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 13:22:47,106 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 13:22:47,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 13:22:47,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 13:22:47,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 13:22:47,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 13:22:47,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 13:22:47,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 13:22:47,110 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 [2022-10-16 13:22:47,138 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 13:22:47,138 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 13:22:47,139 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 13:22:47,139 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 13:22:47,140 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 13:22:47,140 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 13:22:47,141 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 13:22:47,141 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 13:22:47,141 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 13:22:47,141 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 13:22:47,142 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 13:22:47,142 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 13:22:47,142 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 13:22:47,142 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 13:22:47,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 13:22:47,143 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 13:22:47,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 13:22:47,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 13:22:47,143 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 13:22:47,143 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 13:22:47,144 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 13:22:47,144 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 13:22:47,144 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 13:22:47,144 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 13:22:47,144 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 13:22:47,145 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 13:22:47,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:22:47,145 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 13:22:47,145 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 13:22:47,145 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 13:22:47,146 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 13:22:47,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 13:22:47,146 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 13:22:47,146 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 13:22:47,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 13:22:47,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 13:22:47,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 13:22:47,516 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 13:22:47,517 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 13:22:47,518 INFO L432 ainManager$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 [2022-10-16 13:22:47,598 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/584677837/411a685f9e9b4099a5a36bfada9abea7/FLAGc3b46d5d9 [2022-10-16 13:22:48,812 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 13:22:48,814 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 [2022-10-16 13:22:48,900 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/584677837/411a685f9e9b4099a5a36bfada9abea7/FLAGc3b46d5d9 [2022-10-16 13:22:49,020 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/584677837/411a685f9e9b4099a5a36bfada9abea7 [2022-10-16 13:22:49,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 13:22:49,029 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 13:22:49,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 13:22:49,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 13:22:49,038 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 13:22:49,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:22:49" (1/1) ... [2022-10-16 13:22:49,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f6add45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:22:49, skipping insertion in model container [2022-10-16 13:22:49,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:22:49" (1/1) ... [2022-10-16 13:22:49,050 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 13:22:49,277 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 13:22:49,907 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [7477] [2022-10-16 13:22:49,908 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] [2022-10-16 13:22:50,046 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] [2022-10-16 13:22:51,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:22:51,790 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 13:22:52,000 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [7477] [2022-10-16 13:22:52,000 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] [2022-10-16 13:22:52,005 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] [2022-10-16 13:22:52,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:22:52,528 INFO L208 MainTranslator]: Completed translation [2022-10-16 13:22:52,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:22:52 WrapperNode [2022-10-16 13:22:52,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 13:22:52,530 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 13:22:52,531 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 13:22:52,531 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 13:22:52,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:22:52" (1/1) ... [2022-10-16 13:22:52,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:22:52" (1/1) ... [2022-10-16 13:22:52,871 INFO L138 Inliner]: procedures = 250, calls = 3159, calls flagged for inlining = 106, calls inlined = 94, statements flattened = 6352 [2022-10-16 13:22:52,872 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 13:22:52,873 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 13:22:52,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 13:22:52,874 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 13:22:52,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:22:52" (1/1) ... [2022-10-16 13:22:52,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:22:52" (1/1) ... [2022-10-16 13:22:52,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:22:52" (1/1) ... [2022-10-16 13:22:52,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:22:52" (1/1) ... [2022-10-16 13:22:53,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:22:52" (1/1) ... [2022-10-16 13:22:53,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:22:52" (1/1) ... [2022-10-16 13:22:53,201 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:22:52" (1/1) ... [2022-10-16 13:22:53,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:22:52" (1/1) ... [2022-10-16 13:22:53,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 13:22:53,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 13:22:53,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 13:22:53,293 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 13:22:53,294 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:22:52" (1/1) ... [2022-10-16 13:22:53,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:22:53,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:22:53,335 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) [2022-10-16 13:22:53,360 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 [2022-10-16 13:22:53,404 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_set_fw_ps_tdma [2022-10-16 13:22:53,405 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_set_fw_ps_tdma [2022-10-16 13:22:53,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-16 13:22:53,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-16 13:22:53,405 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_write_1byte [2022-10-16 13:22:53,405 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_write_1byte [2022-10-16 13:22:53,406 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_word [2022-10-16 13:22:53,406 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_word [2022-10-16 13:22:53,406 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_nomal_low_power [2022-10-16 13:22:53,406 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_nomal_low_power [2022-10-16 13:22:53,406 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_byte [2022-10-16 13:22:53,406 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_byte [2022-10-16 13:22:53,406 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_is_wifi_uplink [2022-10-16 13:22:53,407 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_is_wifi_uplink [2022-10-16 13:22:53,407 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_word [2022-10-16 13:22:53,407 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_word [2022-10-16 13:22:53,407 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_byte [2022-10-16 13:22:53,407 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_byte [2022-10-16 13:22:53,407 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u32~0~X~$Pointer$~TO~VOID [2022-10-16 13:22:53,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u32~0~X~$Pointer$~TO~VOID [2022-10-16 13:22:53,408 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 13:22:53,408 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 13:22:53,408 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b_med_stat_notify [2022-10-16 13:22:53,408 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b_med_stat_notify [2022-10-16 13:22:53,408 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_ps_tdma [2022-10-16 13:22:53,408 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_ps_tdma [2022-10-16 13:22:53,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 13:22:53,409 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_tdma_duration_adjust [2022-10-16 13:22:53,409 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_tdma_duration_adjust [2022-10-16 13:22:53,409 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_ignore_wlan_act [2022-10-16 13:22:53,409 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_ignore_wlan_act [2022-10-16 13:22:53,409 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_dword [2022-10-16 13:22:53,410 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_dword [2022-10-16 13:22:53,410 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_read_4byte [2022-10-16 13:22:53,410 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_read_4byte [2022-10-16 13:22:53,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 13:22:53,410 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_write_4byte [2022-10-16 13:22:53,410 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_write_4byte [2022-10-16 13:22:53,410 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_get_wifi_rssi [2022-10-16 13:22:53,411 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_get_wifi_rssi [2022-10-16 13:22:53,411 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u16~0~TO~VOID [2022-10-16 13:22:53,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u16~0~TO~VOID [2022-10-16 13:22:53,411 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_btc_scan_notify [2022-10-16 13:22:53,411 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_btc_scan_notify [2022-10-16 13:22:53,411 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_leave_low_power [2022-10-16 13:22:53,412 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_leave_low_power [2022-10-16 13:22:53,412 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2022-10-16 13:22:53,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2022-10-16 13:22:53,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 13:22:53,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 13:22:53,413 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_btc_connect_notify [2022-10-16 13:22:53,413 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_btc_connect_notify [2022-10-16 13:22:53,413 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_wifi_rssi_state [2022-10-16 13:22:53,413 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_wifi_rssi_state [2022-10-16 13:22:53,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-16 13:22:53,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-16 13:22:53,414 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u8~0~TO~VOID [2022-10-16 13:22:53,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u8~0~TO~VOID [2022-10-16 13:22:53,414 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_dec_bt_pwr [2022-10-16 13:22:53,414 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_dec_bt_pwr [2022-10-16 13:22:53,414 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_set_dac_swing_reg [2022-10-16 13:22:53,414 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_set_dac_swing_reg [2022-10-16 13:22:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2022-10-16 13:22:53,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2022-10-16 13:22:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 13:22:53,415 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_coex_alloff [2022-10-16 13:22:53,416 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_coex_alloff [2022-10-16 13:22:53,416 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u32~0~X~~u32~0~X~~u32~0~TO~VOID [2022-10-16 13:22:53,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u32~0~X~~u32~0~X~~u32~0~TO~VOID [2022-10-16 13:22:53,416 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_bt_rssi_state [2022-10-16 13:22:53,416 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_bt_rssi_state [2022-10-16 13:22:53,416 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b_coex_tbl_type [2022-10-16 13:22:53,417 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b_coex_tbl_type [2022-10-16 13:22:53,417 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2022-10-16 13:22:53,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2022-10-16 13:22:53,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 13:22:53,417 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_enter_lps [2022-10-16 13:22:53,417 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_enter_lps [2022-10-16 13:22:53,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 13:22:53,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 13:22:53,418 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2022-10-16 13:22:53,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2022-10-16 13:22:53,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 13:22:53,418 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_read_1byte [2022-10-16 13:22:53,419 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_read_1byte [2022-10-16 13:22:53,419 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_is_bt_coexist_available [2022-10-16 13:22:53,419 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_is_bt_coexist_available [2022-10-16 13:22:53,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 13:22:53,419 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_sw_mechanism1 [2022-10-16 13:22:53,419 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_sw_mechanism1 [2022-10-16 13:22:53,514 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_sw_mechanism2 [2022-10-16 13:22:53,514 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_sw_mechanism2 [2022-10-16 13:22:53,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 13:22:53,514 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_fw_dac_swing_lvl [2022-10-16 13:22:53,514 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_fw_dac_swing_lvl [2022-10-16 13:22:53,515 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-16 13:22:53,515 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_fill_h2c_cmd [2022-10-16 13:22:53,515 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_fill_h2c_cmd [2022-10-16 13:22:53,515 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b_need_dec_pwr [2022-10-16 13:22:53,515 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b_need_dec_pwr [2022-10-16 13:22:53,515 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_coex_table [2022-10-16 13:22:53,515 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_coex_table [2022-10-16 13:22:53,515 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_leave_lps [2022-10-16 13:22:53,516 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_leave_lps [2022-10-16 13:22:53,516 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_run_coexist_mechanism [2022-10-16 13:22:53,516 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_run_coexist_mechanism [2022-10-16 13:22:53,516 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~~bool~0 [2022-10-16 13:22:53,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~~bool~0 [2022-10-16 13:22:53,516 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_btc_ips_notify [2022-10-16 13:22:53,516 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_btc_ips_notify [2022-10-16 13:22:53,516 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_dword [2022-10-16 13:22:53,516 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_dword [2022-10-16 13:22:53,520 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_write_2byte [2022-10-16 13:22:53,520 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_write_2byte [2022-10-16 13:22:53,520 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u8~0~TO~VOID [2022-10-16 13:22:53,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u8~0~TO~VOID [2022-10-16 13:22:53,520 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_read_2byte [2022-10-16 13:22:53,520 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_read_2byte [2022-10-16 13:22:53,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 13:22:53,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-10-16 13:22:53,521 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_set [2022-10-16 13:22:53,521 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_set [2022-10-16 13:22:53,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 13:22:53,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 13:22:53,521 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-10-16 13:22:53,522 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-10-16 13:22:54,470 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 13:22:54,475 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 13:22:56,459 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-16 13:23:00,633 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 13:23:00,667 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 13:23:00,667 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-16 13:23:00,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:23:00 BoogieIcfgContainer [2022-10-16 13:23:00,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 13:23:00,677 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 13:23:00,677 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 13:23:00,681 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 13:23:00,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:22:49" (1/3) ... [2022-10-16 13:23:00,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@295fca33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:23:00, skipping insertion in model container [2022-10-16 13:23:00,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:22:52" (2/3) ... [2022-10-16 13:23:00,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@295fca33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:23:00, skipping insertion in model container [2022-10-16 13:23:00,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:23:00" (3/3) ... [2022-10-16 13:23:00,684 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 [2022-10-16 13:23:00,705 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 13:23:00,705 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 64 error locations. [2022-10-16 13:23:00,847 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 13:23:00,855 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;@3163cd51, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 13:23:00,856 INFO L358 AbstractCegarLoop]: Starting to check reachability of 64 error locations. [2022-10-16 13:23:00,871 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) [2022-10-16 13:23:00,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-16 13:23:00,881 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:23:00,882 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] [2022-10-16 13:23:00,883 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)] === [2022-10-16 13:23:00,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:23:00,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1100756096, now seen corresponding path program 1 times [2022-10-16 13:23:00,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:23:00,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42118385] [2022-10-16 13:23:00,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:23:00,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:23:01,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:01,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:23:01,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:01,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 13:23:01,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:23:01,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42118385] [2022-10-16 13:23:01,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42118385] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:23:01,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:23:01,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 13:23:01,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032552955] [2022-10-16 13:23:01,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:23:01,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 13:23:01,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:23:01,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 13:23:01,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 13:23:01,699 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) [2022-10-16 13:23:03,856 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 [] [2022-10-16 13:23:07,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:23:07,801 INFO L93 Difference]: Finished difference Result 5057 states and 8054 transitions. [2022-10-16 13:23:07,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 13:23:07,806 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 [2022-10-16 13:23:07,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:23:07,874 INFO L225 Difference]: With dead ends: 5057 [2022-10-16 13:23:07,875 INFO L226 Difference]: Without dead ends: 2352 [2022-10-16 13:23:07,957 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 [2022-10-16 13:23:07,962 INFO L413 NwaCegarLoop]: 3864 mSDtfsCounter, 414 mSDsluCounter, 1816 mSDsCounter, 0 mSdLazyCounter, 1225 mSolverCounterSat, 697 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 5680 SdHoareTripleChecker+Invalid, 1923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 697 IncrementalHoareTripleChecker+Valid, 1225 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-10-16 13:23:07,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [446 Valid, 5680 Invalid, 1923 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [697 Valid, 1225 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2022-10-16 13:23:07,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2352 states. [2022-10-16 13:23:08,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2352 to 2275. [2022-10-16 13:23:08,470 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) [2022-10-16 13:23:08,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2275 states to 2275 states and 3608 transitions. [2022-10-16 13:23:08,525 INFO L78 Accepts]: Start accepts. Automaton has 2275 states and 3608 transitions. Word has length 20 [2022-10-16 13:23:08,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:23:08,526 INFO L495 AbstractCegarLoop]: Abstraction has 2275 states and 3608 transitions. [2022-10-16 13:23:08,526 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) [2022-10-16 13:23:08,526 INFO L276 IsEmpty]: Start isEmpty. Operand 2275 states and 3608 transitions. [2022-10-16 13:23:08,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 13:23:08,537 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:23:08,538 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] [2022-10-16 13:23:08,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 13:23:08,538 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)] === [2022-10-16 13:23:08,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:23:08,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1436013501, now seen corresponding path program 1 times [2022-10-16 13:23:08,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:23:08,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785819640] [2022-10-16 13:23:08,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:23:08,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:23:08,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:08,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:23:08,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:08,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 13:23:08,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:08,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 13:23:08,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:08,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 13:23:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:08,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 13:23:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:09,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 13:23:09,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:09,063 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 13:23:09,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:23:09,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785819640] [2022-10-16 13:23:09,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785819640] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:23:09,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:23:09,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:23:09,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790973363] [2022-10-16 13:23:09,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:23:09,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:23:09,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:23:09,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:23:09,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:23:09,073 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) [2022-10-16 13:23:10,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:23:14,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:23:14,640 INFO L93 Difference]: Finished difference Result 4649 states and 7421 transitions. [2022-10-16 13:23:14,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:23:14,641 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 [2022-10-16 13:23:14,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:23:14,669 INFO L225 Difference]: With dead ends: 4649 [2022-10-16 13:23:14,670 INFO L226 Difference]: Without dead ends: 2381 [2022-10-16 13:23:14,721 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 [2022-10-16 13:23:14,723 INFO L413 NwaCegarLoop]: 3586 mSDtfsCounter, 428 mSDsluCounter, 4848 mSDsCounter, 0 mSdLazyCounter, 1732 mSolverCounterSat, 633 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 461 SdHoareTripleChecker+Valid, 8434 SdHoareTripleChecker+Invalid, 2365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 633 IncrementalHoareTripleChecker+Valid, 1732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-10-16 13:23:14,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [461 Valid, 8434 Invalid, 2365 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [633 Valid, 1732 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-10-16 13:23:14,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2381 states. [2022-10-16 13:23:14,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2381 to 2302. [2022-10-16 13:23:14,871 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) [2022-10-16 13:23:14,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2302 states to 2302 states and 3642 transitions. [2022-10-16 13:23:14,896 INFO L78 Accepts]: Start accepts. Automaton has 2302 states and 3642 transitions. Word has length 75 [2022-10-16 13:23:14,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:23:14,905 INFO L495 AbstractCegarLoop]: Abstraction has 2302 states and 3642 transitions. [2022-10-16 13:23:14,906 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) [2022-10-16 13:23:14,906 INFO L276 IsEmpty]: Start isEmpty. Operand 2302 states and 3642 transitions. [2022-10-16 13:23:14,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 13:23:14,914 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:23:14,915 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] [2022-10-16 13:23:14,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 13:23:14,915 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)] === [2022-10-16 13:23:14,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:23:14,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1939122577, now seen corresponding path program 1 times [2022-10-16 13:23:14,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:23:14,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092428616] [2022-10-16 13:23:14,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:23:14,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:23:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:15,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:23:15,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:15,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:23:15,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:15,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 13:23:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:15,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 13:23:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:15,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-10-16 13:23:15,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:15,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-16 13:23:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:15,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-16 13:23:15,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:15,435 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 13:23:15,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:23:15,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092428616] [2022-10-16 13:23:15,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092428616] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:23:15,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:23:15,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:23:15,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955117317] [2022-10-16 13:23:15,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:23:15,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:23:15,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:23:15,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:23:15,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:23:15,442 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) [2022-10-16 13:23:17,543 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 [] [2022-10-16 13:23:21,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:23:21,515 INFO L93 Difference]: Finished difference Result 4623 states and 7545 transitions. [2022-10-16 13:23:21,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:23:21,516 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 [2022-10-16 13:23:21,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:23:21,546 INFO L225 Difference]: With dead ends: 4623 [2022-10-16 13:23:21,546 INFO L226 Difference]: Without dead ends: 2339 [2022-10-16 13:23:21,586 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 [2022-10-16 13:23:21,593 INFO L413 NwaCegarLoop]: 3525 mSDtfsCounter, 386 mSDsluCounter, 4794 mSDsCounter, 0 mSdLazyCounter, 1691 mSolverCounterSat, 608 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 417 SdHoareTripleChecker+Valid, 8319 SdHoareTripleChecker+Invalid, 2300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 608 IncrementalHoareTripleChecker+Valid, 1691 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-10-16 13:23:21,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [417 Valid, 8319 Invalid, 2300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [608 Valid, 1691 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2022-10-16 13:23:21,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2339 states. [2022-10-16 13:23:21,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2339 to 2259. [2022-10-16 13:23:21,735 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) [2022-10-16 13:23:21,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2259 states to 2259 states and 3577 transitions. [2022-10-16 13:23:21,758 INFO L78 Accepts]: Start accepts. Automaton has 2259 states and 3577 transitions. Word has length 92 [2022-10-16 13:23:21,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:23:21,760 INFO L495 AbstractCegarLoop]: Abstraction has 2259 states and 3577 transitions. [2022-10-16 13:23:21,761 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) [2022-10-16 13:23:21,761 INFO L276 IsEmpty]: Start isEmpty. Operand 2259 states and 3577 transitions. [2022-10-16 13:23:21,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 13:23:21,765 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:23:21,766 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] [2022-10-16 13:23:21,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 13:23:21,766 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)] === [2022-10-16 13:23:21,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:23:21,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1743817874, now seen corresponding path program 1 times [2022-10-16 13:23:21,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:23:21,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554455587] [2022-10-16 13:23:21,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:23:21,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:23:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:22,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:23:22,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:22,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:23:22,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:22,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 13:23:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:22,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 13:23:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:22,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-10-16 13:23:22,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:22,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-16 13:23:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:22,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 13:23:22,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:22,694 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 13:23:22,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:23:22,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554455587] [2022-10-16 13:23:22,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554455587] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:23:22,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:23:22,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 13:23:22,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072138578] [2022-10-16 13:23:22,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:23:22,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:23:22,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:23:22,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:23:22,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:23:22,698 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) [2022-10-16 13:23:23,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:23:28,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:23:28,437 INFO L93 Difference]: Finished difference Result 4608 states and 7367 transitions. [2022-10-16 13:23:28,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:23:28,438 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 91 [2022-10-16 13:23:28,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:23:28,469 INFO L225 Difference]: With dead ends: 4608 [2022-10-16 13:23:28,469 INFO L226 Difference]: Without dead ends: 2367 [2022-10-16 13:23:28,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-10-16 13:23:28,493 INFO L413 NwaCegarLoop]: 3536 mSDtfsCounter, 416 mSDsluCounter, 11107 mSDsCounter, 0 mSdLazyCounter, 2773 mSolverCounterSat, 614 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 14643 SdHoareTripleChecker+Invalid, 3387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 614 IncrementalHoareTripleChecker+Valid, 2773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-10-16 13:23:28,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 14643 Invalid, 3387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [614 Valid, 2773 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-10-16 13:23:28,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2367 states. [2022-10-16 13:23:28,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2367 to 2263. [2022-10-16 13:23:28,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2263 states, 1601 states have (on average 1.4790755777638975) internal successors, (2368), 1699 states have internal predecessors, (2368), 609 states have call successors, (609), 34 states have call predecessors, (609), 34 states have return successors, (614), 539 states have call predecessors, (614), 603 states have call successors, (614) [2022-10-16 13:23:28,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2263 states to 2263 states and 3591 transitions. [2022-10-16 13:23:28,661 INFO L78 Accepts]: Start accepts. Automaton has 2263 states and 3591 transitions. Word has length 91 [2022-10-16 13:23:28,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:23:28,662 INFO L495 AbstractCegarLoop]: Abstraction has 2263 states and 3591 transitions. [2022-10-16 13:23:28,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2022-10-16 13:23:28,662 INFO L276 IsEmpty]: Start isEmpty. Operand 2263 states and 3591 transitions. [2022-10-16 13:23:28,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-16 13:23:28,666 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:23:28,666 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] [2022-10-16 13:23:28,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 13:23:28,668 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)] === [2022-10-16 13:23:28,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:23:28,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1201550969, now seen corresponding path program 1 times [2022-10-16 13:23:28,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:23:28,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79397651] [2022-10-16 13:23:28,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:23:28,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:23:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:28,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:23:28,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:28,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:23:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:28,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 13:23:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:28,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 13:23:28,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:28,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-10-16 13:23:28,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:28,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-16 13:23:28,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:29,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-16 13:23:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:29,023 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-16 13:23:29,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:23:29,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79397651] [2022-10-16 13:23:29,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79397651] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:23:29,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:23:29,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:23:29,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955243049] [2022-10-16 13:23:29,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:23:29,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:23:29,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:23:29,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:23:29,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:23:29,029 INFO L87 Difference]: Start difference. First operand 2263 states and 3591 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 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) [2022-10-16 13:23:30,884 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 [] [2022-10-16 13:23:33,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:23:37,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:23:37,085 INFO L93 Difference]: Finished difference Result 4946 states and 7921 transitions. [2022-10-16 13:23:37,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:23:37,086 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 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 89 [2022-10-16 13:23:37,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:23:37,118 INFO L225 Difference]: With dead ends: 4946 [2022-10-16 13:23:37,118 INFO L226 Difference]: Without dead ends: 2701 [2022-10-16 13:23:37,140 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 [2022-10-16 13:23:37,141 INFO L413 NwaCegarLoop]: 4070 mSDtfsCounter, 803 mSDsluCounter, 5172 mSDsCounter, 0 mSdLazyCounter, 1866 mSolverCounterSat, 608 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 904 SdHoareTripleChecker+Valid, 9242 SdHoareTripleChecker+Invalid, 2475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 608 IncrementalHoareTripleChecker+Valid, 1866 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-10-16 13:23:37,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [904 Valid, 9242 Invalid, 2475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [608 Valid, 1866 Invalid, 1 Unknown, 0 Unchecked, 7.8s Time] [2022-10-16 13:23:37,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2701 states. [2022-10-16 13:23:37,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2701 to 2264. [2022-10-16 13:23:37,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2264 states, 1602 states have (on average 1.478776529338327) internal successors, (2369), 1700 states have internal predecessors, (2369), 609 states have call successors, (609), 34 states have call predecessors, (609), 34 states have return successors, (614), 539 states have call predecessors, (614), 603 states have call successors, (614) [2022-10-16 13:23:37,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2264 states to 2264 states and 3592 transitions. [2022-10-16 13:23:37,297 INFO L78 Accepts]: Start accepts. Automaton has 2264 states and 3592 transitions. Word has length 89 [2022-10-16 13:23:37,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:23:37,298 INFO L495 AbstractCegarLoop]: Abstraction has 2264 states and 3592 transitions. [2022-10-16 13:23:37,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 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) [2022-10-16 13:23:37,298 INFO L276 IsEmpty]: Start isEmpty. Operand 2264 states and 3592 transitions. [2022-10-16 13:23:37,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 13:23:37,301 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:23:37,301 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] [2022-10-16 13:23:37,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 13:23:37,302 INFO L420 AbstractCegarLoop]: === Iteration 6 === 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)] === [2022-10-16 13:23:37,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:23:37,302 INFO L85 PathProgramCache]: Analyzing trace with hash 358119300, now seen corresponding path program 1 times [2022-10-16 13:23:37,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:23:37,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970294798] [2022-10-16 13:23:37,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:23:37,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:23:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:37,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:23:37,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:37,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:23:37,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:37,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 13:23:37,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:37,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 13:23:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:37,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-10-16 13:23:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:37,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-16 13:23:37,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:37,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-16 13:23:37,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:38,004 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-16 13:23:38,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:23:38,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970294798] [2022-10-16 13:23:38,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970294798] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:23:38,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:23:38,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 13:23:38,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823350429] [2022-10-16 13:23:38,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:23:38,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:23:38,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:23:38,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:23:38,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:23:38,009 INFO L87 Difference]: Start difference. First operand 2264 states and 3592 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) [2022-10-16 13:23:40,134 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 [] [2022-10-16 13:23:42,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:23:46,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:23:46,501 INFO L93 Difference]: Finished difference Result 4952 states and 7928 transitions. [2022-10-16 13:23:46,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:23:46,501 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, (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) Word has length 90 [2022-10-16 13:23:46,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:23:46,530 INFO L225 Difference]: With dead ends: 4952 [2022-10-16 13:23:46,530 INFO L226 Difference]: Without dead ends: 2706 [2022-10-16 13:23:46,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-16 13:23:46,554 INFO L413 NwaCegarLoop]: 4056 mSDtfsCounter, 806 mSDsluCounter, 12431 mSDsCounter, 0 mSdLazyCounter, 3012 mSolverCounterSat, 611 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 917 SdHoareTripleChecker+Valid, 16487 SdHoareTripleChecker+Invalid, 3624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 611 IncrementalHoareTripleChecker+Valid, 3012 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-10-16 13:23:46,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [917 Valid, 16487 Invalid, 3624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [611 Valid, 3012 Invalid, 1 Unknown, 0 Unchecked, 8.2s Time] [2022-10-16 13:23:46,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2706 states. [2022-10-16 13:23:46,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2706 to 2266. [2022-10-16 13:23:46,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2266 states, 1604 states have (on average 1.4781795511221945) internal successors, (2371), 1701 states have internal predecessors, (2371), 609 states have call successors, (609), 34 states have call predecessors, (609), 34 states have return successors, (614), 540 states have call predecessors, (614), 603 states have call successors, (614) [2022-10-16 13:23:46,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2266 states to 2266 states and 3594 transitions. [2022-10-16 13:23:46,722 INFO L78 Accepts]: Start accepts. Automaton has 2266 states and 3594 transitions. Word has length 90 [2022-10-16 13:23:46,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:23:46,722 INFO L495 AbstractCegarLoop]: Abstraction has 2266 states and 3594 transitions. [2022-10-16 13:23:46,723 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, (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) [2022-10-16 13:23:46,723 INFO L276 IsEmpty]: Start isEmpty. Operand 2266 states and 3594 transitions. [2022-10-16 13:23:46,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 13:23:46,725 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:23:46,726 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, 1] [2022-10-16 13:23:46,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 13:23:46,726 INFO L420 AbstractCegarLoop]: === Iteration 7 === 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)] === [2022-10-16 13:23:46,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:23:46,727 INFO L85 PathProgramCache]: Analyzing trace with hash -444987365, now seen corresponding path program 1 times [2022-10-16 13:23:46,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:23:46,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955600333] [2022-10-16 13:23:46,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:23:46,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:23:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:47,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:23:47,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:47,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:23:47,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:47,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 13:23:47,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:47,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 13:23:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:47,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-10-16 13:23:47,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:47,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-16 13:23:47,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:47,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 13:23:47,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:47,144 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-16 13:23:47,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:23:47,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955600333] [2022-10-16 13:23:47,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955600333] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:23:47,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836889917] [2022-10-16 13:23:47,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:23:47,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:23:47,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:23:47,151 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:23:47,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 13:23:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:47,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 2314 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 13:23:47,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:23:47,895 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-16 13:23:47,895 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:23:47,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [836889917] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:23:47,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:23:47,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-10-16 13:23:47,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974950730] [2022-10-16 13:23:47,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:23:47,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 13:23:47,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:23:47,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 13:23:47,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:23:47,903 INFO L87 Difference]: Start difference. First operand 2266 states and 3594 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-16 13:23:48,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:23:48,009 INFO L93 Difference]: Finished difference Result 4862 states and 7714 transitions. [2022-10-16 13:23:48,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 13:23:48,010 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 91 [2022-10-16 13:23:48,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:23:48,036 INFO L225 Difference]: With dead ends: 4862 [2022-10-16 13:23:48,036 INFO L226 Difference]: Without dead ends: 2614 [2022-10-16 13:23:48,070 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:23:48,071 INFO L413 NwaCegarLoop]: 4055 mSDtfsCounter, 409 mSDsluCounter, 3591 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 7646 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:23:48,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 7646 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 13:23:48,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2614 states. [2022-10-16 13:23:48,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2614 to 2267. [2022-10-16 13:23:48,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2267 states, 1605 states have (on average 1.4778816199376947) internal successors, (2372), 1702 states have internal predecessors, (2372), 609 states have call successors, (609), 34 states have call predecessors, (609), 34 states have return successors, (614), 540 states have call predecessors, (614), 603 states have call successors, (614) [2022-10-16 13:23:48,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2267 states to 2267 states and 3595 transitions. [2022-10-16 13:23:48,224 INFO L78 Accepts]: Start accepts. Automaton has 2267 states and 3595 transitions. Word has length 91 [2022-10-16 13:23:48,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:23:48,224 INFO L495 AbstractCegarLoop]: Abstraction has 2267 states and 3595 transitions. [2022-10-16 13:23:48,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-16 13:23:48,225 INFO L276 IsEmpty]: Start isEmpty. Operand 2267 states and 3595 transitions. [2022-10-16 13:23:48,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-16 13:23:48,227 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:23:48,228 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] [2022-10-16 13:23:48,277 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 13:23:48,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:23:48,444 INFO L420 AbstractCegarLoop]: === Iteration 8 === 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)] === [2022-10-16 13:23:48,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:23:48,445 INFO L85 PathProgramCache]: Analyzing trace with hash 377103054, now seen corresponding path program 1 times [2022-10-16 13:23:48,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:23:48,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408724148] [2022-10-16 13:23:48,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:23:48,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:23:48,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:48,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:23:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:48,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:23:48,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:48,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 13:23:48,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:48,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 13:23:48,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:48,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-10-16 13:23:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:48,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-16 13:23:48,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:48,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-16 13:23:48,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:48,956 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-16 13:23:48,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:23:48,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408724148] [2022-10-16 13:23:48,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408724148] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:23:48,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1197517148] [2022-10-16 13:23:48,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:23:48,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:23:48,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:23:48,961 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:23:48,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 13:23:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:49,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 2332 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 13:23:49,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:23:49,838 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 13:23:49,838 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:23:49,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1197517148] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:23:49,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:23:49,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-10-16 13:23:49,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373117376] [2022-10-16 13:23:49,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:23:49,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 13:23:49,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:23:49,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 13:23:49,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:23:49,841 INFO L87 Difference]: Start difference. First operand 2267 states and 3595 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-16 13:23:49,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:23:49,936 INFO L93 Difference]: Finished difference Result 4520 states and 7176 transitions. [2022-10-16 13:23:49,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 13:23:49,936 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 89 [2022-10-16 13:23:49,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:23:49,962 INFO L225 Difference]: With dead ends: 4520 [2022-10-16 13:23:49,963 INFO L226 Difference]: Without dead ends: 2271 [2022-10-16 13:23:49,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:23:49,982 INFO L413 NwaCegarLoop]: 3542 mSDtfsCounter, 3 mSDsluCounter, 3538 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 7080 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:23:49,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 7080 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 13:23:49,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2271 states. [2022-10-16 13:23:50,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2271 to 2268. [2022-10-16 13:23:50,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2268 states, 1606 states have (on average 1.4775840597758405) internal successors, (2373), 1703 states have internal predecessors, (2373), 609 states have call successors, (609), 34 states have call predecessors, (609), 34 states have return successors, (614), 540 states have call predecessors, (614), 603 states have call successors, (614) [2022-10-16 13:23:50,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2268 states to 2268 states and 3596 transitions. [2022-10-16 13:23:50,148 INFO L78 Accepts]: Start accepts. Automaton has 2268 states and 3596 transitions. Word has length 89 [2022-10-16 13:23:50,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:23:50,149 INFO L495 AbstractCegarLoop]: Abstraction has 2268 states and 3596 transitions. [2022-10-16 13:23:50,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-16 13:23:50,150 INFO L276 IsEmpty]: Start isEmpty. Operand 2268 states and 3596 transitions. [2022-10-16 13:23:50,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 13:23:50,153 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:23:50,153 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1] [2022-10-16 13:23:50,200 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-10-16 13:23:50,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-10-16 13:23:50,366 INFO L420 AbstractCegarLoop]: === Iteration 9 === 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)] === [2022-10-16 13:23:50,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:23:50,367 INFO L85 PathProgramCache]: Analyzing trace with hash -747610453, now seen corresponding path program 1 times [2022-10-16 13:23:50,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:23:50,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819412911] [2022-10-16 13:23:50,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:23:50,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:23:50,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:50,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:23:50,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:50,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:23:50,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:50,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 13:23:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:50,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 13:23:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:50,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-10-16 13:23:50,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:50,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-16 13:23:50,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:50,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 13:23:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:50,667 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-10-16 13:23:50,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:23:50,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819412911] [2022-10-16 13:23:50,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819412911] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:23:50,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:23:50,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:23:50,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308216202] [2022-10-16 13:23:50,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:23:50,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:23:50,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:23:50,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:23:50,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:23:50,669 INFO L87 Difference]: Start difference. First operand 2268 states and 3596 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, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-16 13:23:52,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:23:55,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:23:55,656 INFO L93 Difference]: Finished difference Result 4598 states and 7443 transitions. [2022-10-16 13:23:55,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:23:55,659 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, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 91 [2022-10-16 13:23:55,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:23:55,685 INFO L225 Difference]: With dead ends: 4598 [2022-10-16 13:23:55,685 INFO L226 Difference]: Without dead ends: 2348 [2022-10-16 13:23:55,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:23:55,705 INFO L413 NwaCegarLoop]: 3517 mSDtfsCounter, 385 mSDsluCounter, 4788 mSDsCounter, 0 mSdLazyCounter, 1689 mSolverCounterSat, 608 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 8305 SdHoareTripleChecker+Invalid, 2297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 608 IncrementalHoareTripleChecker+Valid, 1689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-10-16 13:23:55,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [416 Valid, 8305 Invalid, 2297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [608 Valid, 1689 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-10-16 13:23:55,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2348 states. [2022-10-16 13:23:55,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2348 to 2269. [2022-10-16 13:23:55,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2269 states, 1607 states have (on average 1.477286869943995) internal successors, (2374), 1704 states have internal predecessors, (2374), 609 states have call successors, (609), 34 states have call predecessors, (609), 34 states have return successors, (614), 540 states have call predecessors, (614), 603 states have call successors, (614) [2022-10-16 13:23:55,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2269 states to 2269 states and 3597 transitions. [2022-10-16 13:23:55,847 INFO L78 Accepts]: Start accepts. Automaton has 2269 states and 3597 transitions. Word has length 91 [2022-10-16 13:23:55,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:23:55,848 INFO L495 AbstractCegarLoop]: Abstraction has 2269 states and 3597 transitions. [2022-10-16 13:23:55,848 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, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-16 13:23:55,848 INFO L276 IsEmpty]: Start isEmpty. Operand 2269 states and 3597 transitions. [2022-10-16 13:23:55,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 13:23:55,854 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:23:55,854 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] [2022-10-16 13:23:55,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 13:23:55,855 INFO L420 AbstractCegarLoop]: === Iteration 10 === 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)] === [2022-10-16 13:23:55,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:23:55,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1014713743, now seen corresponding path program 1 times [2022-10-16 13:23:55,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:23:55,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715783936] [2022-10-16 13:23:55,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:23:55,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:23:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:56,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:23:56,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:56,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:23:56,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:56,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 13:23:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:56,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 13:23:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:56,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-10-16 13:23:56,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:56,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-16 13:23:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:56,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 13:23:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:23:56,512 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 13:23:56,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:23:56,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715783936] [2022-10-16 13:23:56,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715783936] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:23:56,513 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:23:56,513 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:23:56,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674535651] [2022-10-16 13:23:56,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:23:56,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:23:56,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:23:56,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:23:56,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:23:56,516 INFO L87 Difference]: Start difference. First operand 2269 states and 3597 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-10-16 13:23:58,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:24:02,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:24:02,941 INFO L93 Difference]: Finished difference Result 4633 states and 7566 transitions. [2022-10-16 13:24:02,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:24:02,942 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 91 [2022-10-16 13:24:02,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:24:02,965 INFO L225 Difference]: With dead ends: 4633 [2022-10-16 13:24:02,966 INFO L226 Difference]: Without dead ends: 2382 [2022-10-16 13:24:02,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:24:02,987 INFO L413 NwaCegarLoop]: 3395 mSDtfsCounter, 462 mSDsluCounter, 7370 mSDsCounter, 0 mSdLazyCounter, 2812 mSolverCounterSat, 765 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 493 SdHoareTripleChecker+Valid, 10765 SdHoareTripleChecker+Invalid, 3577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 765 IncrementalHoareTripleChecker+Valid, 2812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-10-16 13:24:02,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [493 Valid, 10765 Invalid, 3577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [765 Valid, 2812 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-10-16 13:24:02,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2382 states. [2022-10-16 13:24:03,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2382 to 2296. [2022-10-16 13:24:03,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2296 states, 1630 states have (on average 1.476687116564417) internal successors, (2407), 1727 states have internal predecessors, (2407), 612 states have call successors, (612), 35 states have call predecessors, (612), 35 states have return successors, (617), 543 states have call predecessors, (617), 606 states have call successors, (617) [2022-10-16 13:24:03,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2296 states to 2296 states and 3636 transitions. [2022-10-16 13:24:03,144 INFO L78 Accepts]: Start accepts. Automaton has 2296 states and 3636 transitions. Word has length 91 [2022-10-16 13:24:03,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:24:03,145 INFO L495 AbstractCegarLoop]: Abstraction has 2296 states and 3636 transitions. [2022-10-16 13:24:03,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-10-16 13:24:03,145 INFO L276 IsEmpty]: Start isEmpty. Operand 2296 states and 3636 transitions. [2022-10-16 13:24:03,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 13:24:03,148 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:24:03,148 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1] [2022-10-16 13:24:03,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 13:24:03,149 INFO L420 AbstractCegarLoop]: === Iteration 11 === 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)] === [2022-10-16 13:24:03,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:24:03,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1776969751, now seen corresponding path program 1 times [2022-10-16 13:24:03,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:24:03,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124197851] [2022-10-16 13:24:03,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:24:03,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:24:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:03,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:24:03,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:03,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:24:03,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:03,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 13:24:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:03,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 13:24:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:03,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-10-16 13:24:03,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:03,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-16 13:24:03,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:03,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 13:24:03,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:03,766 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-16 13:24:03,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:24:03,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124197851] [2022-10-16 13:24:03,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124197851] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:24:03,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:24:03,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:24:03,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838183628] [2022-10-16 13:24:03,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:24:03,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:24:03,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:24:03,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:24:03,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:24:03,770 INFO L87 Difference]: Start difference. First operand 2296 states and 3636 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-10-16 13:24:04,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:24:08,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:24:08,944 INFO L93 Difference]: Finished difference Result 4683 states and 7485 transitions. [2022-10-16 13:24:08,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:24:08,945 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 91 [2022-10-16 13:24:08,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:24:08,980 INFO L225 Difference]: With dead ends: 4683 [2022-10-16 13:24:08,980 INFO L226 Difference]: Without dead ends: 2405 [2022-10-16 13:24:08,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:24:08,999 INFO L413 NwaCegarLoop]: 3525 mSDtfsCounter, 452 mSDsluCounter, 7786 mSDsCounter, 0 mSdLazyCounter, 2397 mSolverCounterSat, 628 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 11311 SdHoareTripleChecker+Invalid, 3025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 628 IncrementalHoareTripleChecker+Valid, 2397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-10-16 13:24:08,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 11311 Invalid, 3025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [628 Valid, 2397 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-10-16 13:24:09,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2405 states. [2022-10-16 13:24:09,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2405 to 2323. [2022-10-16 13:24:09,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2323 states, 1653 states have (on average 1.4736842105263157) internal successors, (2436), 1750 states have internal predecessors, (2436), 615 states have call successors, (615), 36 states have call predecessors, (615), 36 states have return successors, (620), 546 states have call predecessors, (620), 609 states have call successors, (620) [2022-10-16 13:24:09,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2323 states to 2323 states and 3671 transitions. [2022-10-16 13:24:09,153 INFO L78 Accepts]: Start accepts. Automaton has 2323 states and 3671 transitions. Word has length 91 [2022-10-16 13:24:09,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:24:09,153 INFO L495 AbstractCegarLoop]: Abstraction has 2323 states and 3671 transitions. [2022-10-16 13:24:09,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-10-16 13:24:09,154 INFO L276 IsEmpty]: Start isEmpty. Operand 2323 states and 3671 transitions. [2022-10-16 13:24:09,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 13:24:09,156 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:24:09,157 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1] [2022-10-16 13:24:09,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 13:24:09,157 INFO L420 AbstractCegarLoop]: === Iteration 12 === 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)] === [2022-10-16 13:24:09,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:24:09,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1327016219, now seen corresponding path program 1 times [2022-10-16 13:24:09,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:24:09,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093923418] [2022-10-16 13:24:09,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:24:09,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:24:09,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:12,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:24:12,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:12,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:24:12,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:12,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 13:24:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:12,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 13:24:12,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:12,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-10-16 13:24:12,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:12,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-16 13:24:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:12,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-16 13:24:12,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:12,357 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-16 13:24:12,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:24:12,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093923418] [2022-10-16 13:24:12,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093923418] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:24:12,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117016801] [2022-10-16 13:24:12,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:24:12,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:24:12,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:24:12,359 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:24:12,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 13:24:13,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:24:13,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 2316 conjuncts, 36 conjunts are in the unsatisfiable core [2022-10-16 13:24:13,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:24:13,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 13:24:13,191 INFO L356 Elim1Store]: treesize reduction 64, result has 30.4 percent of original size [2022-10-16 13:24:13,192 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 39 [2022-10-16 13:24:13,245 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-10-16 13:24:13,331 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-10-16 13:24:35,881 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 13:24:35,881 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:24:46,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1117016801] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:24:46,090 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-10-16 13:24:46,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 21 [2022-10-16 13:24:46,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373686352] [2022-10-16 13:24:46,091 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-10-16 13:24:46,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-10-16 13:24:46,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:24:46,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-10-16 13:24:46,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=390, Unknown=13, NotChecked=0, Total=462 [2022-10-16 13:24:46,093 INFO L87 Difference]: Start difference. First operand 2323 states and 3671 transitions. Second operand has 21 states, 19 states have (on average 6.894736842105263) internal successors, (131), 17 states have internal predecessors, (131), 7 states have call successors, (18), 8 states have call predecessors, (18), 6 states have return successors, (14), 6 states have call predecessors, (14), 7 states have call successors, (14) [2022-10-16 13:25:07,081 WARN L233 SmtUtils]: Spent 8.13s on a formula simplification. DAG size of input: 40 DAG size of output: 38 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-10-16 13:25:12,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:25:14,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:25:16,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:25:18,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:25:20,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:25:22,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:25:24,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:25:28,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:25:30,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:25:32,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:25:34,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:25:36,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:25:49,102 WARN L233 SmtUtils]: Spent 8.16s on a formula simplification. DAG size of input: 45 DAG size of output: 42 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-10-16 13:25:52,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:25:54,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:25:56,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:25:58,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:26:00,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:26:03,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:26:04,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:26:06,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:26:08,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:26:10,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:26:31,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:26:33,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:26:35,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:26:37,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []