/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--btcoexist--btcoexist.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 13:09:23,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 13:09:23,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 13:09:23,546 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 13:09:23,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 13:09:23,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 13:09:23,555 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 13:09:23,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 13:09:23,579 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 13:09:23,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 13:09:23,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 13:09:23,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 13:09:23,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 13:09:23,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 13:09:23,598 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 13:09:23,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 13:09:23,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 13:09:23,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 13:09:23,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 13:09:23,622 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 13:09:23,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 13:09:23,628 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 13:09:23,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 13:09:23,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 13:09:23,641 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 13:09:23,641 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 13:09:23,642 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 13:09:23,643 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 13:09:23,644 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 13:09:23,646 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 13:09:23,647 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 13:09:23,648 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 13:09:23,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 13:09:23,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 13:09:23,652 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 13:09:23,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 13:09:23,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 13:09:23,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 13:09:23,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 13:09:23,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 13:09:23,656 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 13:09:23,662 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 13:09:23,720 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 13:09:23,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 13:09:23,722 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 13:09:23,722 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 13:09:23,724 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 13:09:23,724 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 13:09:23,727 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 13:09:23,727 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 13:09:23,727 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 13:09:23,728 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 13:09:23,729 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 13:09:23,729 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 13:09:23,729 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 13:09:23,729 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 13:09:23,730 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 13:09:23,730 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 13:09:23,730 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 13:09:23,730 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 13:09:23,730 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 13:09:23,731 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 13:09:23,731 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 13:09:23,731 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 13:09:23,731 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 13:09:23,732 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 13:09:23,732 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 13:09:23,732 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 13:09:23,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:09:23,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 13:09:23,733 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 13:09:23,733 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 13:09:23,733 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 13:09:23,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 13:09:23,734 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 13:09:23,734 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 13:09:24,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 13:09:24,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 13:09:24,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 13:09:24,208 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 13:09:24,209 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 13:09:24,211 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--btcoexist--btcoexist.ko-entry_point.cil.out.i [2022-10-16 13:09:24,304 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c8f11e85/77e21701d62e4774bcd5b79e4200543b/FLAG69f423308 [2022-10-16 13:09:25,476 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 13:09:25,477 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--btcoexist--btcoexist.ko-entry_point.cil.out.i [2022-10-16 13:09:25,527 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c8f11e85/77e21701d62e4774bcd5b79e4200543b/FLAG69f423308 [2022-10-16 13:09:25,758 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c8f11e85/77e21701d62e4774bcd5b79e4200543b [2022-10-16 13:09:25,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 13:09:25,770 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 13:09:25,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 13:09:25,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 13:09:25,779 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 13:09:25,780 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:09:25" (1/1) ... [2022-10-16 13:09:25,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ab0a679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:09:25, skipping insertion in model container [2022-10-16 13:09:25,782 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:09:25" (1/1) ... [2022-10-16 13:09:25,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 13:09:26,048 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 13:09:27,017 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--btcoexist--btcoexist.ko-entry_point.cil.out.i[212867,212880] [2022-10-16 13:09:29,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:09:29,055 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 13:09:29,302 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--btcoexist--btcoexist.ko-entry_point.cil.out.i[212867,212880] [2022-10-16 13:09:29,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:09:29,958 INFO L208 MainTranslator]: Completed translation [2022-10-16 13:09:29,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:09:29 WrapperNode [2022-10-16 13:09:29,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 13:09:29,962 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 13:09:29,962 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 13:09:29,962 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 13:09:29,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:09:29" (1/1) ... [2022-10-16 13:09:30,144 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:09:29" (1/1) ... [2022-10-16 13:09:30,397 INFO L138 Inliner]: procedures = 241, calls = 3122, calls flagged for inlining = 111, calls inlined = 96, statements flattened = 6371 [2022-10-16 13:09:30,398 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 13:09:30,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 13:09:30,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 13:09:30,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 13:09:30,411 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:09:29" (1/1) ... [2022-10-16 13:09:30,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:09:29" (1/1) ... [2022-10-16 13:09:30,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:09:29" (1/1) ... [2022-10-16 13:09:30,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:09:29" (1/1) ... [2022-10-16 13:09:30,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:09:29" (1/1) ... [2022-10-16 13:09:30,894 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:09:29" (1/1) ... [2022-10-16 13:09:30,947 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:09:29" (1/1) ... [2022-10-16 13:09:30,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:09:29" (1/1) ... [2022-10-16 13:09:31,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 13:09:31,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 13:09:31,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 13:09:31,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 13:09:31,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:09:29" (1/1) ... [2022-10-16 13:09:31,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:09:31,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:09:31,092 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 13:09:31,112 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 13:09:31,171 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_set_fw_ps_tdma [2022-10-16 13:09:31,171 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_set_fw_ps_tdma [2022-10-16 13:09:31,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-16 13:09:31,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-16 13:09:31,172 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_write_1byte [2022-10-16 13:09:31,172 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_write_1byte [2022-10-16 13:09:31,172 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_word [2022-10-16 13:09:31,172 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_word [2022-10-16 13:09:31,172 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_nomal_low_power [2022-10-16 13:09:31,172 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_nomal_low_power [2022-10-16 13:09:31,173 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_byte [2022-10-16 13:09:31,173 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_byte [2022-10-16 13:09:31,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 13:09:31,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 13:09:31,173 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_is_wifi_uplink [2022-10-16 13:09:31,173 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_is_wifi_uplink [2022-10-16 13:09:31,173 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_word [2022-10-16 13:09:31,174 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_word [2022-10-16 13:09:31,174 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_byte [2022-10-16 13:09:31,174 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_byte [2022-10-16 13:09:31,174 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u32~0~X~$Pointer$~TO~VOID [2022-10-16 13:09:31,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u32~0~X~$Pointer$~TO~VOID [2022-10-16 13:09:31,174 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 13:09:31,174 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 13:09:31,175 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b_med_stat_notify [2022-10-16 13:09:31,175 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b_med_stat_notify [2022-10-16 13:09:31,175 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_ps_tdma [2022-10-16 13:09:31,175 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_ps_tdma [2022-10-16 13:09:31,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 13:09:31,175 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_tdma_duration_adjust [2022-10-16 13:09:31,175 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_tdma_duration_adjust [2022-10-16 13:09:31,176 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_ignore_wlan_act [2022-10-16 13:09:31,176 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_ignore_wlan_act [2022-10-16 13:09:31,176 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_dword [2022-10-16 13:09:31,177 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_dword [2022-10-16 13:09:31,177 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_read_4byte [2022-10-16 13:09:31,177 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_read_4byte [2022-10-16 13:09:31,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 13:09:31,178 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_write_4byte [2022-10-16 13:09:31,178 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_write_4byte [2022-10-16 13:09:31,178 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_get_wifi_rssi [2022-10-16 13:09:31,178 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_get_wifi_rssi [2022-10-16 13:09:31,178 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u16~0~TO~VOID [2022-10-16 13:09:31,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u16~0~TO~VOID [2022-10-16 13:09:31,179 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_btc_scan_notify [2022-10-16 13:09:31,179 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_btc_scan_notify [2022-10-16 13:09:31,180 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_leave_low_power [2022-10-16 13:09:31,180 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_leave_low_power [2022-10-16 13:09:31,180 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2022-10-16 13:09:31,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2022-10-16 13:09:31,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 13:09:31,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 13:09:31,181 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_btc_connect_notify [2022-10-16 13:09:31,181 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_btc_connect_notify [2022-10-16 13:09:31,181 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_wifi_rssi_state [2022-10-16 13:09:31,182 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_wifi_rssi_state [2022-10-16 13:09:31,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-16 13:09:31,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-16 13:09:31,183 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u8~0~TO~VOID [2022-10-16 13:09:31,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u8~0~TO~VOID [2022-10-16 13:09:31,183 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_dec_bt_pwr [2022-10-16 13:09:31,183 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_dec_bt_pwr [2022-10-16 13:09:31,183 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_set_dac_swing_reg [2022-10-16 13:09:31,183 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_set_dac_swing_reg [2022-10-16 13:09:31,183 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2022-10-16 13:09:31,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2022-10-16 13:09:31,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 13:09:31,184 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_coex_alloff [2022-10-16 13:09:31,185 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_coex_alloff [2022-10-16 13:09:31,185 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 13:09:31,185 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 13:09:31,186 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_bt_rssi_state [2022-10-16 13:09:31,186 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_bt_rssi_state [2022-10-16 13:09:31,186 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b_coex_tbl_type [2022-10-16 13:09:31,187 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b_coex_tbl_type [2022-10-16 13:09:31,187 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2022-10-16 13:09:31,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2022-10-16 13:09:31,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 13:09:31,187 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_enter_lps [2022-10-16 13:09:31,187 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_enter_lps [2022-10-16 13:09:31,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 13:09:31,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 13:09:31,188 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2022-10-16 13:09:31,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2022-10-16 13:09:31,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 13:09:31,188 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_read_1byte [2022-10-16 13:09:31,188 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_read_1byte [2022-10-16 13:09:31,189 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_is_bt_coexist_available [2022-10-16 13:09:31,190 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_is_bt_coexist_available [2022-10-16 13:09:31,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 13:09:31,190 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_sw_mechanism1 [2022-10-16 13:09:31,190 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_sw_mechanism1 [2022-10-16 13:09:31,190 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_sw_mechanism2 [2022-10-16 13:09:31,191 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_sw_mechanism2 [2022-10-16 13:09:31,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 13:09:31,192 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_fw_dac_swing_lvl [2022-10-16 13:09:31,192 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_fw_dac_swing_lvl [2022-10-16 13:09:31,193 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-16 13:09:31,193 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_fill_h2c_cmd [2022-10-16 13:09:31,193 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_fill_h2c_cmd [2022-10-16 13:09:31,193 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b_need_dec_pwr [2022-10-16 13:09:31,194 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b_need_dec_pwr [2022-10-16 13:09:31,194 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_coex_table [2022-10-16 13:09:31,194 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_coex_table [2022-10-16 13:09:31,194 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_leave_lps [2022-10-16 13:09:31,194 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_leave_lps [2022-10-16 13:09:31,194 INFO L130 BoogieDeclarations]: Found specification of procedure btc8723b2ant_run_coexist_mechanism [2022-10-16 13:09:31,195 INFO L138 BoogieDeclarations]: Found implementation of procedure btc8723b2ant_run_coexist_mechanism [2022-10-16 13:09:31,195 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~~bool~0 [2022-10-16 13:09:31,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~~bool~0 [2022-10-16 13:09:31,195 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_btc_ips_notify [2022-10-16 13:09:31,195 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_btc_ips_notify [2022-10-16 13:09:31,196 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_dword [2022-10-16 13:09:31,196 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_dword [2022-10-16 13:09:31,196 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_write_2byte [2022-10-16 13:09:31,196 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_write_2byte [2022-10-16 13:09:31,196 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u8~0~TO~VOID [2022-10-16 13:09:31,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u8~0~TO~VOID [2022-10-16 13:09:31,196 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_read_2byte [2022-10-16 13:09:31,197 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_read_2byte [2022-10-16 13:09:31,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 13:09:31,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-10-16 13:09:31,199 INFO L130 BoogieDeclarations]: Found specification of procedure halbtc_set [2022-10-16 13:09:31,200 INFO L138 BoogieDeclarations]: Found implementation of procedure halbtc_set [2022-10-16 13:09:31,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 13:09:31,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 13:09:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-10-16 13:09:31,208 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-10-16 13:09:32,102 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 13:09:32,107 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 13:09:34,438 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-16 13:09:38,693 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 13:09:38,753 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 13:09:38,753 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-16 13:09:38,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:09:38 BoogieIcfgContainer [2022-10-16 13:09:38,762 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 13:09:38,765 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 13:09:38,766 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 13:09:38,770 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 13:09:38,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:09:25" (1/3) ... [2022-10-16 13:09:38,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4df6c888 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:09:38, skipping insertion in model container [2022-10-16 13:09:38,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:09:29" (2/3) ... [2022-10-16 13:09:38,771 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4df6c888 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:09:38, skipping insertion in model container [2022-10-16 13:09:38,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:09:38" (3/3) ... [2022-10-16 13:09:38,773 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--rtlwifi--btcoexist--btcoexist.ko-entry_point.cil.out.i [2022-10-16 13:09:38,800 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 13:09:38,800 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 64 error locations. [2022-10-16 13:09:38,977 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 13:09:38,989 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;@44b2204, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 13:09:38,991 INFO L358 AbstractCegarLoop]: Starting to check reachability of 64 error locations. [2022-10-16 13:09:39,012 INFO L276 IsEmpty]: Start isEmpty. Operand has 2800 states, 1916 states have (on average 1.4874739039665972) internal successors, (2850), 2090 states have internal predecessors, (2850), 763 states have call successors, (763), 57 states have call predecessors, (763), 56 states have return successors, (760), 668 states have call predecessors, (760), 760 states have call successors, (760) [2022-10-16 13:09:39,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-16 13:09:39,026 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:09:39,027 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:09:39,028 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 13:09:39,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:09:39,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1405457245, now seen corresponding path program 1 times [2022-10-16 13:09:39,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:09:39,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587809762] [2022-10-16 13:09:39,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:09:39,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:09:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:39,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:09:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:39,904 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 13:09:39,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:09:39,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587809762] [2022-10-16 13:09:39,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587809762] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:09:39,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:09:39,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 13:09:39,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610083965] [2022-10-16 13:09:39,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:09:39,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 13:09:39,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:09:39,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 13:09:39,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 13:09:39,981 INFO L87 Difference]: Start difference. First operand has 2800 states, 1916 states have (on average 1.4874739039665972) internal successors, (2850), 2090 states have internal predecessors, (2850), 763 states have call successors, (763), 57 states have call predecessors, (763), 56 states have return successors, (760), 668 states have call predecessors, (760), 760 states have call successors, (760) Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 13:09:42,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:09:46,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:09:46,755 INFO L93 Difference]: Finished difference Result 5069 states and 8069 transitions. [2022-10-16 13:09:46,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 13:09:46,759 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2022-10-16 13:09:46,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:09:46,809 INFO L225 Difference]: With dead ends: 5069 [2022-10-16 13:09:46,809 INFO L226 Difference]: Without dead ends: 2353 [2022-10-16 13:09:46,880 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 13:09:46,884 INFO L413 NwaCegarLoop]: 3865 mSDtfsCounter, 414 mSDsluCounter, 1814 mSDsCounter, 0 mSdLazyCounter, 1227 mSolverCounterSat, 698 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 5679 SdHoareTripleChecker+Invalid, 1925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 698 IncrementalHoareTripleChecker+Valid, 1227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:09:46,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [446 Valid, 5679 Invalid, 1925 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [698 Valid, 1227 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-10-16 13:09:46,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2353 states. [2022-10-16 13:09:47,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2353 to 2276. [2022-10-16 13:09:47,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2276 states, 1597 states have (on average 1.4890419536631183) internal successors, (2378), 1716 states have internal predecessors, (2378), 629 states have call successors, (629), 32 states have call predecessors, (629), 31 states have return successors, (602), 537 states have call predecessors, (602), 602 states have call successors, (602) [2022-10-16 13:09:47,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2276 states to 2276 states and 3609 transitions. [2022-10-16 13:09:47,223 INFO L78 Accepts]: Start accepts. Automaton has 2276 states and 3609 transitions. Word has length 21 [2022-10-16 13:09:47,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:09:47,224 INFO L495 AbstractCegarLoop]: Abstraction has 2276 states and 3609 transitions. [2022-10-16 13:09:47,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 13:09:47,225 INFO L276 IsEmpty]: Start isEmpty. Operand 2276 states and 3609 transitions. [2022-10-16 13:09:47,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 13:09:47,235 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:09:47,236 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 13:09:47,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 13:09:47,236 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 13:09:47,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:09:47,237 INFO L85 PathProgramCache]: Analyzing trace with hash 810475503, now seen corresponding path program 1 times [2022-10-16 13:09:47,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:09:47,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575440801] [2022-10-16 13:09:47,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:09:47,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:09:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:47,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:09:47,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:47,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 13:09:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:47,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:09:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:47,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 13:09:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:47,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-16 13:09:47,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:47,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 13:09:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:47,909 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 13:09:47,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:09:47,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575440801] [2022-10-16 13:09:47,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575440801] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:09:47,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:09:47,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:09:47,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452554153] [2022-10-16 13:09:47,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:09:47,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:09:47,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:09:47,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:09:47,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:09:47,915 INFO L87 Difference]: Start difference. First operand 2276 states and 3609 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-16 13:09:50,087 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 13:09:54,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:09:54,540 INFO L93 Difference]: Finished difference Result 4650 states and 7422 transitions. [2022-10-16 13:09:54,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:09:54,540 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 13:09:54,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:09:54,569 INFO L225 Difference]: With dead ends: 4650 [2022-10-16 13:09:54,569 INFO L226 Difference]: Without dead ends: 2382 [2022-10-16 13:09:54,615 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 13:09:54,617 INFO L413 NwaCegarLoop]: 3595 mSDtfsCounter, 429 mSDsluCounter, 4863 mSDsCounter, 0 mSdLazyCounter, 1732 mSolverCounterSat, 633 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 8458 SdHoareTripleChecker+Invalid, 2366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 633 IncrementalHoareTripleChecker+Valid, 1732 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-10-16 13:09:54,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 8458 Invalid, 2366 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [633 Valid, 1732 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2022-10-16 13:09:54,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2382 states. [2022-10-16 13:09:54,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2382 to 2303. [2022-10-16 13:09:54,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2303 states, 1621 states have (on average 1.48673658235657) internal successors, (2410), 1740 states have internal predecessors, (2410), 630 states have call successors, (630), 34 states have call predecessors, (630), 33 states have return successors, (603), 538 states have call predecessors, (603), 603 states have call successors, (603) [2022-10-16 13:09:54,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2303 states to 2303 states and 3643 transitions. [2022-10-16 13:09:54,810 INFO L78 Accepts]: Start accepts. Automaton has 2303 states and 3643 transitions. Word has length 75 [2022-10-16 13:09:54,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:09:54,811 INFO L495 AbstractCegarLoop]: Abstraction has 2303 states and 3643 transitions. [2022-10-16 13:09:54,811 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 13:09:54,811 INFO L276 IsEmpty]: Start isEmpty. Operand 2303 states and 3643 transitions. [2022-10-16 13:09:54,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 13:09:54,817 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:09:54,817 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 13:09:54,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 13:09:54,818 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 13:09:54,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:09:54,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1150957066, now seen corresponding path program 1 times [2022-10-16 13:09:54,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:09:54,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436872837] [2022-10-16 13:09:54,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:09:54,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:09:54,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:55,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:09:55,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:55,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:09:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:55,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 13:09:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:55,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 13:09:55,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:55,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 13:09:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:55,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 13:09:55,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:55,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-16 13:09:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:09:55,240 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 13:09:55,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:09:55,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436872837] [2022-10-16 13:09:55,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436872837] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:09:55,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:09:55,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:09:55,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178393116] [2022-10-16 13:09:55,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:09:55,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:09:55,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:09:55,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:09:55,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:09:55,244 INFO L87 Difference]: Start difference. First operand 2303 states and 3643 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-16 13:09:57,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:10:00,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:10:04,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:10:04,268 INFO L93 Difference]: Finished difference Result 5025 states and 8019 transitions. [2022-10-16 13:10:04,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:10:04,269 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 90 [2022-10-16 13:10:04,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:10:04,304 INFO L225 Difference]: With dead ends: 5025 [2022-10-16 13:10:04,304 INFO L226 Difference]: Without dead ends: 2741 [2022-10-16 13:10:04,334 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 13:10:04,336 INFO L413 NwaCegarLoop]: 4108 mSDtfsCounter, 803 mSDsluCounter, 5243 mSDsCounter, 0 mSdLazyCounter, 1867 mSolverCounterSat, 633 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 905 SdHoareTripleChecker+Valid, 9351 SdHoareTripleChecker+Invalid, 2500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 633 IncrementalHoareTripleChecker+Valid, 1867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-10-16 13:10:04,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [905 Valid, 9351 Invalid, 2500 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [633 Valid, 1867 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2022-10-16 13:10:04,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2741 states. [2022-10-16 13:10:04,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2741 to 2304. [2022-10-16 13:10:04,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2304 states, 1622 states have (on average 1.4864364981504317) internal successors, (2411), 1741 states have internal predecessors, (2411), 630 states have call successors, (630), 34 states have call predecessors, (630), 33 states have return successors, (603), 538 states have call predecessors, (603), 603 states have call successors, (603) [2022-10-16 13:10:04,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2304 states to 2304 states and 3644 transitions. [2022-10-16 13:10:04,557 INFO L78 Accepts]: Start accepts. Automaton has 2304 states and 3644 transitions. Word has length 90 [2022-10-16 13:10:04,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:10:04,558 INFO L495 AbstractCegarLoop]: Abstraction has 2304 states and 3644 transitions. [2022-10-16 13:10:04,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-16 13:10:04,558 INFO L276 IsEmpty]: Start isEmpty. Operand 2304 states and 3644 transitions. [2022-10-16 13:10:04,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 13:10:04,565 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:10:04,565 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:10:04,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 13:10:04,566 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 13:10:04,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:10:04,566 INFO L85 PathProgramCache]: Analyzing trace with hash 888134657, now seen corresponding path program 1 times [2022-10-16 13:10:04,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:10:04,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830814612] [2022-10-16 13:10:04,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:10:04,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:10:04,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:05,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:10:05,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:05,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:10:05,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:05,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 13:10:05,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:05,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-16 13:10:05,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:05,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 13:10:05,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:05,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 13:10:05,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:05,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-16 13:10:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:05,748 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 13:10:05,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:10:05,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830814612] [2022-10-16 13:10:05,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830814612] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:10:05,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:10:05,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 13:10:05,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627786531] [2022-10-16 13:10:05,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:10:05,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:10:05,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:10:05,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:10:05,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:10:05,757 INFO L87 Difference]: Start difference. First operand 2304 states and 3644 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-16 13:10:07,894 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 13:10:13,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:10:13,079 INFO L93 Difference]: Finished difference Result 4697 states and 7500 transitions. [2022-10-16 13:10:13,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:10:13,080 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 90 [2022-10-16 13:10:13,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:10:13,109 INFO L225 Difference]: With dead ends: 4697 [2022-10-16 13:10:13,110 INFO L226 Difference]: Without dead ends: 2412 [2022-10-16 13:10:13,142 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 13:10:13,144 INFO L413 NwaCegarLoop]: 3590 mSDtfsCounter, 416 mSDsluCounter, 11308 mSDsCounter, 0 mSdLazyCounter, 2770 mSolverCounterSat, 635 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 14898 SdHoareTripleChecker+Invalid, 3406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 635 IncrementalHoareTripleChecker+Valid, 2770 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:10:13,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 14898 Invalid, 3406 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [635 Valid, 2770 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2022-10-16 13:10:13,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2412 states. [2022-10-16 13:10:13,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2412 to 2308. [2022-10-16 13:10:13,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2308 states, 1625 states have (on average 1.4855384615384615) internal successors, (2414), 1744 states have internal predecessors, (2414), 630 states have call successors, (630), 34 states have call predecessors, (630), 34 states have return successors, (614), 539 states have call predecessors, (614), 603 states have call successors, (614) [2022-10-16 13:10:13,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2308 states to 2308 states and 3658 transitions. [2022-10-16 13:10:13,313 INFO L78 Accepts]: Start accepts. Automaton has 2308 states and 3658 transitions. Word has length 90 [2022-10-16 13:10:13,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:10:13,314 INFO L495 AbstractCegarLoop]: Abstraction has 2308 states and 3658 transitions. [2022-10-16 13:10:13,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-16 13:10:13,315 INFO L276 IsEmpty]: Start isEmpty. Operand 2308 states and 3658 transitions. [2022-10-16 13:10:13,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 13:10:13,319 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:10:13,320 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 13:10:13,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 13:10:13,320 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 13:10:13,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:10:13,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1574603788, now seen corresponding path program 1 times [2022-10-16 13:10:13,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:10:13,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821626295] [2022-10-16 13:10:13,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:10:13,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:10:13,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:13,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:10:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:13,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:10:13,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:13,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 13:10:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:14,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 13:10:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:14,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 13:10:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:14,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 13:10:14,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:14,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-16 13:10:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:14,132 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 13:10:14,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:10:14,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821626295] [2022-10-16 13:10:14,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821626295] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:10:14,132 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:10:14,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 13:10:14,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857527392] [2022-10-16 13:10:14,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:10:14,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:10:14,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:10:14,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:10:14,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:10:14,135 INFO L87 Difference]: Start difference. First operand 2308 states and 3658 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-16 13:10:16,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:10:18,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:10:22,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:10:22,704 INFO L93 Difference]: Finished difference Result 5039 states and 8059 transitions. [2022-10-16 13:10:22,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:10:22,705 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 13:10:22,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:10:22,738 INFO L225 Difference]: With dead ends: 5039 [2022-10-16 13:10:22,738 INFO L226 Difference]: Without dead ends: 2750 [2022-10-16 13:10:22,771 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 13:10:22,772 INFO L413 NwaCegarLoop]: 4117 mSDtfsCounter, 806 mSDsluCounter, 12647 mSDsCounter, 0 mSdLazyCounter, 3012 mSolverCounterSat, 631 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 914 SdHoareTripleChecker+Valid, 16764 SdHoareTripleChecker+Invalid, 3643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 631 IncrementalHoareTripleChecker+Valid, 3012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-10-16 13:10:22,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [914 Valid, 16764 Invalid, 3643 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [631 Valid, 3012 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2022-10-16 13:10:22,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2750 states. [2022-10-16 13:10:22,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2750 to 2310. [2022-10-16 13:10:22,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2310 states, 1627 states have (on average 1.484941610325753) internal successors, (2416), 1745 states have internal predecessors, (2416), 630 states have call successors, (630), 34 states have call predecessors, (630), 34 states have return successors, (614), 540 states have call predecessors, (614), 603 states have call successors, (614) [2022-10-16 13:10:22,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2310 states to 2310 states and 3660 transitions. [2022-10-16 13:10:22,974 INFO L78 Accepts]: Start accepts. Automaton has 2310 states and 3660 transitions. Word has length 90 [2022-10-16 13:10:22,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:10:22,975 INFO L495 AbstractCegarLoop]: Abstraction has 2310 states and 3660 transitions. [2022-10-16 13:10:22,976 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 13:10:22,976 INFO L276 IsEmpty]: Start isEmpty. Operand 2310 states and 3660 transitions. [2022-10-16 13:10:22,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 13:10:22,986 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:10:22,986 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 13:10:22,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 13:10:22,986 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 13:10:22,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:10:22,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1217371474, now seen corresponding path program 1 times [2022-10-16 13:10:22,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:10:22,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131774218] [2022-10-16 13:10:22,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:10:22,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:10:23,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:23,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:10:23,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:23,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:10:23,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:23,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 13:10:23,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:23,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-16 13:10:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:23,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 13:10:23,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:23,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 13:10:23,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:23,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-16 13:10:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:23,544 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 13:10:23,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:10:23,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131774218] [2022-10-16 13:10:23,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131774218] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:10:23,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1338357000] [2022-10-16 13:10:23,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:10:23,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:10:23,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:10:23,552 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 13:10:23,554 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 13:10:24,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:24,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 2360 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 13:10:24,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:10:24,343 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 13:10:24,344 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:10:24,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1338357000] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:10:24,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:10:24,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-10-16 13:10:24,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781092882] [2022-10-16 13:10:24,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:10:24,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 13:10:24,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:10:24,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 13:10:24,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:10:24,346 INFO L87 Difference]: Start difference. First operand 2310 states and 3660 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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 13:10:24,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:10:24,471 INFO L93 Difference]: Finished difference Result 4605 states and 7305 transitions. [2022-10-16 13:10:24,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 13:10:24,472 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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 92 [2022-10-16 13:10:24,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:10:24,497 INFO L225 Difference]: With dead ends: 4605 [2022-10-16 13:10:24,497 INFO L226 Difference]: Without dead ends: 2314 [2022-10-16 13:10:24,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 106 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 13:10:24,529 INFO L413 NwaCegarLoop]: 3608 mSDtfsCounter, 3 mSDsluCounter, 3604 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 7212 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 13:10:24,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 7212 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 13:10:24,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2314 states. [2022-10-16 13:10:24,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2314 to 2311. [2022-10-16 13:10:24,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2311 states, 1628 states have (on average 1.4846437346437347) internal successors, (2417), 1746 states have internal predecessors, (2417), 630 states have call successors, (630), 34 states have call predecessors, (630), 34 states have return successors, (614), 540 states have call predecessors, (614), 603 states have call successors, (614) [2022-10-16 13:10:24,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2311 states to 2311 states and 3661 transitions. [2022-10-16 13:10:24,686 INFO L78 Accepts]: Start accepts. Automaton has 2311 states and 3661 transitions. Word has length 92 [2022-10-16 13:10:24,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:10:24,687 INFO L495 AbstractCegarLoop]: Abstraction has 2311 states and 3661 transitions. [2022-10-16 13:10:24,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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 13:10:24,687 INFO L276 IsEmpty]: Start isEmpty. Operand 2311 states and 3661 transitions. [2022-10-16 13:10:24,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 13:10:24,691 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:10:24,691 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, 1] [2022-10-16 13:10:24,739 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 13:10:24,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-10-16 13:10:24,900 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 13:10:24,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:10:24,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1733709484, now seen corresponding path program 1 times [2022-10-16 13:10:24,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:10:24,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796731947] [2022-10-16 13:10:24,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:10:24,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:10:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:25,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:10:25,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:25,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:10:25,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:25,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 13:10:25,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:25,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 13:10:25,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:25,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 13:10:25,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:25,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 13:10:25,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:25,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-16 13:10:25,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:25,426 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 13:10:25,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:10:25,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796731947] [2022-10-16 13:10:25,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796731947] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:10:25,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1305170570] [2022-10-16 13:10:25,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:10:25,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:10:25,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:10:25,429 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 13:10:25,438 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 13:10:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:26,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 2341 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 13:10:26,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:10:26,196 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 13:10:26,196 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:10:26,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1305170570] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:10:26,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:10:26,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-10-16 13:10:26,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31317307] [2022-10-16 13:10:26,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:10:26,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 13:10:26,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:10:26,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 13:10:26,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:10:26,199 INFO L87 Difference]: Start difference. First operand 2311 states and 3661 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 13:10:26,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:10:26,394 INFO L93 Difference]: Finished difference Result 4951 states and 7847 transitions. [2022-10-16 13:10:26,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 13:10:26,395 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 92 [2022-10-16 13:10:26,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:10:26,421 INFO L225 Difference]: With dead ends: 4951 [2022-10-16 13:10:26,421 INFO L226 Difference]: Without dead ends: 2659 [2022-10-16 13:10:26,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 106 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 13:10:26,453 INFO L413 NwaCegarLoop]: 4121 mSDtfsCounter, 409 mSDsluCounter, 3657 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 7778 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 13:10:26,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 7778 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 13:10:26,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2659 states. [2022-10-16 13:10:26,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2659 to 2312. [2022-10-16 13:10:26,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2312 states, 1629 states have (on average 1.4843462246777164) internal successors, (2418), 1747 states have internal predecessors, (2418), 630 states have call successors, (630), 34 states have call predecessors, (630), 34 states have return successors, (614), 540 states have call predecessors, (614), 603 states have call successors, (614) [2022-10-16 13:10:26,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2312 states to 2312 states and 3662 transitions. [2022-10-16 13:10:26,618 INFO L78 Accepts]: Start accepts. Automaton has 2312 states and 3662 transitions. Word has length 92 [2022-10-16 13:10:26,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:10:26,619 INFO L495 AbstractCegarLoop]: Abstraction has 2312 states and 3662 transitions. [2022-10-16 13:10:26,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 13:10:26,619 INFO L276 IsEmpty]: Start isEmpty. Operand 2312 states and 3662 transitions. [2022-10-16 13:10:26,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 13:10:26,623 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:10:26,623 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 13:10:26,672 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 13:10:26,838 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,SelfDestructingSolverStorable6 [2022-10-16 13:10:26,838 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 13:10:26,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:10:26,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1253749164, now seen corresponding path program 1 times [2022-10-16 13:10:26,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:10:26,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587292857] [2022-10-16 13:10:26,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:10:26,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:10:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:27,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:10:27,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:27,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:10:27,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:27,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 13:10:27,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:27,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 13:10:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:27,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 13:10:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:27,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 13:10:27,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:27,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 13:10:27,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:27,219 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 13:10:27,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:10:27,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587292857] [2022-10-16 13:10:27,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587292857] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:10:27,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:10:27,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:10:27,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534558210] [2022-10-16 13:10:27,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:10:27,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:10:27,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:10:27,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:10:27,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:10:27,223 INFO L87 Difference]: Start difference. First operand 2312 states and 3662 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 13:10:28,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:10:33,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:10:33,148 INFO L93 Difference]: Finished difference Result 4685 states and 7574 transitions. [2022-10-16 13:10:33,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:10:33,149 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 13:10:33,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:10:33,185 INFO L225 Difference]: With dead ends: 4685 [2022-10-16 13:10:33,185 INFO L226 Difference]: Without dead ends: 2392 [2022-10-16 13:10:33,342 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 13:10:33,343 INFO L413 NwaCegarLoop]: 3583 mSDtfsCounter, 385 mSDsluCounter, 4900 mSDsCounter, 0 mSdLazyCounter, 1688 mSolverCounterSat, 629 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 8483 SdHoareTripleChecker+Invalid, 2317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 629 IncrementalHoareTripleChecker+Valid, 1688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-10-16 13:10:33,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [416 Valid, 8483 Invalid, 2317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [629 Valid, 1688 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-10-16 13:10:33,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2392 states. [2022-10-16 13:10:33,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2392 to 2313. [2022-10-16 13:10:33,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2313 states, 1630 states have (on average 1.4840490797546013) internal successors, (2419), 1748 states have internal predecessors, (2419), 630 states have call successors, (630), 34 states have call predecessors, (630), 34 states have return successors, (614), 540 states have call predecessors, (614), 603 states have call successors, (614) [2022-10-16 13:10:33,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2313 states to 2313 states and 3663 transitions. [2022-10-16 13:10:33,573 INFO L78 Accepts]: Start accepts. Automaton has 2313 states and 3663 transitions. Word has length 91 [2022-10-16 13:10:33,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:10:33,574 INFO L495 AbstractCegarLoop]: Abstraction has 2313 states and 3663 transitions. [2022-10-16 13:10:33,574 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 13:10:33,575 INFO L276 IsEmpty]: Start isEmpty. Operand 2313 states and 3663 transitions. [2022-10-16 13:10:33,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 13:10:33,580 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:10:33,580 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, 1] [2022-10-16 13:10:33,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 13:10:33,581 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 13:10:33,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:10:33,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1106502505, now seen corresponding path program 1 times [2022-10-16 13:10:33,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:10:33,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287655402] [2022-10-16 13:10:33,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:10:33,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:10:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:34,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:10:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:34,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:10:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:34,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 13:10:34,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:34,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 13:10:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:34,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 13:10:34,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:34,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 13:10:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:34,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-16 13:10:34,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:34,661 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 13:10:34,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:10:34,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287655402] [2022-10-16 13:10:34,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287655402] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:10:34,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:10:34,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 13:10:34,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914126176] [2022-10-16 13:10:34,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:10:34,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:10:34,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:10:34,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:10:34,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:10:34,665 INFO L87 Difference]: Start difference. First operand 2313 states and 3663 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 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 13:10:36,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:10:41,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:10:41,823 INFO L93 Difference]: Finished difference Result 4759 states and 7758 transitions. [2022-10-16 13:10:41,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 13:10:41,823 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 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 92 [2022-10-16 13:10:41,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:10:41,846 INFO L225 Difference]: With dead ends: 4759 [2022-10-16 13:10:41,847 INFO L226 Difference]: Without dead ends: 2465 [2022-10-16 13:10:41,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-10-16 13:10:41,877 INFO L413 NwaCegarLoop]: 3559 mSDtfsCounter, 547 mSDsluCounter, 11075 mSDsCounter, 0 mSdLazyCounter, 3039 mSolverCounterSat, 676 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 578 SdHoareTripleChecker+Valid, 14634 SdHoareTripleChecker+Invalid, 3715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 676 IncrementalHoareTripleChecker+Valid, 3039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-10-16 13:10:41,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [578 Valid, 14634 Invalid, 3715 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [676 Valid, 3039 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2022-10-16 13:10:41,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2465 states. [2022-10-16 13:10:42,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2465 to 2362. [2022-10-16 13:10:42,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2362 states, 1675 states have (on average 1.4901492537313432) internal successors, (2496), 1793 states have internal predecessors, (2496), 633 states have call successors, (633), 35 states have call predecessors, (633), 35 states have return successors, (617), 543 states have call predecessors, (617), 606 states have call successors, (617) [2022-10-16 13:10:42,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 2362 states and 3746 transitions. [2022-10-16 13:10:42,031 INFO L78 Accepts]: Start accepts. Automaton has 2362 states and 3746 transitions. Word has length 92 [2022-10-16 13:10:42,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:10:42,032 INFO L495 AbstractCegarLoop]: Abstraction has 2362 states and 3746 transitions. [2022-10-16 13:10:42,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 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 13:10:42,032 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 3746 transitions. [2022-10-16 13:10:42,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 13:10:42,035 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:10:42,035 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 13:10:42,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 13:10:42,036 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 13:10:42,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:10:42,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1913280686, now seen corresponding path program 1 times [2022-10-16 13:10:42,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:10:42,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807484587] [2022-10-16 13:10:42,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:10:42,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:10:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:43,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:10:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:43,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:10:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:43,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 13:10:43,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:43,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 13:10:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:44,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 13:10:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:44,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 13:10:44,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:44,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 13:10:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:10:44,098 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-16 13:10:44,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:10:44,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807484587] [2022-10-16 13:10:44,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807484587] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:10:44,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:10:44,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 13:10:44,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271824743] [2022-10-16 13:10:44,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:10:44,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 13:10:44,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:10:44,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 13:10:44,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-10-16 13:10:44,101 INFO L87 Difference]: Start difference. First operand 2362 states and 3746 transitions. Second operand has 9 states, 7 states have (on average 9.571428571428571) internal successors, (67), 8 states have internal predecessors, (67), 4 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (7), 2 states have call predecessors, (7), 4 states have call successors, (7) [2022-10-16 13:10:45,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:10:46,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:10:48,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:10:50,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:10:52,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:10:54,679 WARN L539 Checker$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 13:10:56,715 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 13:11:08,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:11:08,740 INFO L93 Difference]: Finished difference Result 5409 states and 8726 transitions. [2022-10-16 13:11:08,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 13:11:08,740 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 9.571428571428571) internal successors, (67), 8 states have internal predecessors, (67), 4 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (7), 2 states have call predecessors, (7), 4 states have call successors, (7) Word has length 91 [2022-10-16 13:11:08,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:11:08,784 INFO L225 Difference]: With dead ends: 5409 [2022-10-16 13:11:08,784 INFO L226 Difference]: Without dead ends: 3066 [2022-10-16 13:11:08,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2022-10-16 13:11:08,887 INFO L413 NwaCegarLoop]: 3657 mSDtfsCounter, 1428 mSDsluCounter, 16125 mSDsCounter, 0 mSdLazyCounter, 10137 mSolverCounterSat, 797 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1498 SdHoareTripleChecker+Valid, 19782 SdHoareTripleChecker+Invalid, 10938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 797 IncrementalHoareTripleChecker+Valid, 10137 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:11:08,887 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1498 Valid, 19782 Invalid, 10938 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [797 Valid, 10137 Invalid, 4 Unknown, 0 Unchecked, 24.0s Time] [2022-10-16 13:11:08,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3066 states. [2022-10-16 13:11:09,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3066 to 2566. [2022-10-16 13:11:09,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2566 states, 1844 states have (on average 1.4837310195227766) internal successors, (2736), 1967 states have internal predecessors, (2736), 655 states have call successors, (655), 43 states have call predecessors, (655), 48 states have return successors, (659), 565 states have call predecessors, (659), 628 states have call successors, (659) [2022-10-16 13:11:09,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2566 states to 2566 states and 4050 transitions. [2022-10-16 13:11:09,128 INFO L78 Accepts]: Start accepts. Automaton has 2566 states and 4050 transitions. Word has length 91 [2022-10-16 13:11:09,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:11:09,129 INFO L495 AbstractCegarLoop]: Abstraction has 2566 states and 4050 transitions. [2022-10-16 13:11:09,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 9.571428571428571) internal successors, (67), 8 states have internal predecessors, (67), 4 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (7), 2 states have call predecessors, (7), 4 states have call successors, (7) [2022-10-16 13:11:09,129 INFO L276 IsEmpty]: Start isEmpty. Operand 2566 states and 4050 transitions. [2022-10-16 13:11:09,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 13:11:09,133 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:11:09,134 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:11:09,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 13:11:09,134 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 13:11:09,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:11:09,135 INFO L85 PathProgramCache]: Analyzing trace with hash 756927074, now seen corresponding path program 1 times [2022-10-16 13:11:09,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:11:09,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853328170] [2022-10-16 13:11:09,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:11:09,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:11:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:09,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:11:09,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:09,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:11:09,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:09,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 13:11:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:09,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-16 13:11:09,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:09,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 13:11:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:09,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 13:11:09,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:09,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-16 13:11:09,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:09,924 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 13:11:09,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:11:09,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853328170] [2022-10-16 13:11:09,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853328170] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:11:09,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:11:09,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:11:09,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99092630] [2022-10-16 13:11:09,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:11:09,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:11:09,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:11:09,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:11:09,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:11:09,928 INFO L87 Difference]: Start difference. First operand 2566 states and 4050 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 3 states have internal predecessors, (64), 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 13:11:12,040 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 13:11:17,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:11:17,916 INFO L93 Difference]: Finished difference Result 5064 states and 8230 transitions. [2022-10-16 13:11:17,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:11:17,917 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 3 states have internal predecessors, (64), 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 90 [2022-10-16 13:11:17,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:11:17,944 INFO L225 Difference]: With dead ends: 5064 [2022-10-16 13:11:17,944 INFO L226 Difference]: Without dead ends: 2712 [2022-10-16 13:11:17,980 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 13:11:17,981 INFO L413 NwaCegarLoop]: 3510 mSDtfsCounter, 546 mSDsluCounter, 7588 mSDsCounter, 0 mSdLazyCounter, 2810 mSolverCounterSat, 786 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 11098 SdHoareTripleChecker+Invalid, 3597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 786 IncrementalHoareTripleChecker+Valid, 2810 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-10-16 13:11:17,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 11098 Invalid, 3597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [786 Valid, 2810 Invalid, 1 Unknown, 0 Unchecked, 7.6s Time] [2022-10-16 13:11:17,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2712 states. [2022-10-16 13:11:18,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2712 to 2614. [2022-10-16 13:11:18,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2614 states, 1888 states have (on average 1.4872881355932204) internal successors, (2808), 2011 states have internal predecessors, (2808), 658 states have call successors, (658), 44 states have call predecessors, (658), 49 states have return successors, (662), 568 states have call predecessors, (662), 631 states have call successors, (662) [2022-10-16 13:11:18,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2614 states to 2614 states and 4128 transitions. [2022-10-16 13:11:18,183 INFO L78 Accepts]: Start accepts. Automaton has 2614 states and 4128 transitions. Word has length 90 [2022-10-16 13:11:18,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:11:18,184 INFO L495 AbstractCegarLoop]: Abstraction has 2614 states and 4128 transitions. [2022-10-16 13:11:18,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 3 states have internal predecessors, (64), 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 13:11:18,184 INFO L276 IsEmpty]: Start isEmpty. Operand 2614 states and 4128 transitions. [2022-10-16 13:11:18,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 13:11:18,189 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:11:18,189 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 13:11:18,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 13:11:18,189 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 13:11:18,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:11:18,190 INFO L85 PathProgramCache]: Analyzing trace with hash 658760000, now seen corresponding path program 1 times [2022-10-16 13:11:18,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:11:18,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303360894] [2022-10-16 13:11:18,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:11:18,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:11:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:18,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:11:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:18,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 13:11:18,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:18,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 13:11:18,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:18,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 13:11:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:18,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-16 13:11:18,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:18,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-10-16 13:11:18,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:18,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 13:11:18,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:18,918 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-16 13:11:18,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:11:18,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303360894] [2022-10-16 13:11:18,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303360894] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:11:18,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:11:18,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 13:11:18,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970891934] [2022-10-16 13:11:18,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:11:18,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 13:11:18,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:11:18,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 13:11:18,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:11:18,922 INFO L87 Difference]: Start difference. First operand 2614 states and 4128 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 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 13:11:21,043 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 13:11:25,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:11:25,804 INFO L93 Difference]: Finished difference Result 2719 states and 4332 transitions. [2022-10-16 13:11:25,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:11:25,804 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), 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 13:11:25,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:11:25,824 INFO L225 Difference]: With dead ends: 2719 [2022-10-16 13:11:25,824 INFO L226 Difference]: Without dead ends: 2709 [2022-10-16 13:11:25,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-10-16 13:11:25,829 INFO L413 NwaCegarLoop]: 3553 mSDtfsCounter, 541 mSDsluCounter, 11047 mSDsCounter, 0 mSdLazyCounter, 3033 mSolverCounterSat, 672 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 572 SdHoareTripleChecker+Valid, 14600 SdHoareTripleChecker+Invalid, 3706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 672 IncrementalHoareTripleChecker+Valid, 3033 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-10-16 13:11:25,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [572 Valid, 14600 Invalid, 3706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [672 Valid, 3033 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2022-10-16 13:11:25,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2709 states. [2022-10-16 13:11:25,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2709 to 2614. [2022-10-16 13:11:25,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2614 states, 1888 states have (on average 1.4867584745762712) internal successors, (2807), 2011 states have internal predecessors, (2807), 658 states have call successors, (658), 44 states have call predecessors, (658), 49 states have return successors, (662), 568 states have call predecessors, (662), 631 states have call successors, (662) [2022-10-16 13:11:26,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2614 states to 2614 states and 4127 transitions. [2022-10-16 13:11:26,022 INFO L78 Accepts]: Start accepts. Automaton has 2614 states and 4127 transitions. Word has length 91 [2022-10-16 13:11:26,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:11:26,023 INFO L495 AbstractCegarLoop]: Abstraction has 2614 states and 4127 transitions. [2022-10-16 13:11:26,023 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), 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 13:11:26,023 INFO L276 IsEmpty]: Start isEmpty. Operand 2614 states and 4127 transitions. [2022-10-16 13:11:26,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 13:11:26,028 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:11:26,028 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, 1, 1] [2022-10-16 13:11:26,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 13:11:26,028 INFO L420 AbstractCegarLoop]: === Iteration 13 === 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 13:11:26,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:11:26,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1443736047, now seen corresponding path program 1 times [2022-10-16 13:11:26,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:11:26,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130332371] [2022-10-16 13:11:26,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:11:26,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:11:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:26,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:11:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:26,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 13:11:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:26,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 13:11:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:26,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 13:11:26,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:26,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-16 13:11:26,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:26,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-10-16 13:11:26,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:26,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-10-16 13:11:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:26,695 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-16 13:11:26,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:11:26,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130332371] [2022-10-16 13:11:26,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130332371] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:11:26,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:11:26,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 13:11:26,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27914502] [2022-10-16 13:11:26,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:11:26,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:11:26,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:11:26,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:11:26,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:11:26,698 INFO L87 Difference]: Start difference. First operand 2614 states and 4127 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 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 13:11:28,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:11:32,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:11:32,477 INFO L93 Difference]: Finished difference Result 5112 states and 8146 transitions. [2022-10-16 13:11:32,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 13:11:32,478 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 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 93 [2022-10-16 13:11:32,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:11:32,501 INFO L225 Difference]: With dead ends: 5112 [2022-10-16 13:11:32,502 INFO L226 Difference]: Without dead ends: 2712 [2022-10-16 13:11:32,528 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 13:11:32,529 INFO L413 NwaCegarLoop]: 3590 mSDtfsCounter, 446 mSDsluCounter, 7951 mSDsCounter, 0 mSdLazyCounter, 2397 mSolverCounterSat, 647 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 11541 SdHoareTripleChecker+Invalid, 3044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 647 IncrementalHoareTripleChecker+Valid, 2397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-10-16 13:11:32,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [477 Valid, 11541 Invalid, 3044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [647 Valid, 2397 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-10-16 13:11:32,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2712 states. [2022-10-16 13:11:32,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2712 to 2631. [2022-10-16 13:11:32,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2631 states, 1897 states have (on average 1.4765419082762257) internal successors, (2801), 2020 states have internal predecessors, (2801), 664 states have call successors, (664), 46 states have call predecessors, (664), 51 states have return successors, (668), 574 states have call predecessors, (668), 637 states have call successors, (668) [2022-10-16 13:11:32,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2631 states to 2631 states and 4133 transitions. [2022-10-16 13:11:32,721 INFO L78 Accepts]: Start accepts. Automaton has 2631 states and 4133 transitions. Word has length 93 [2022-10-16 13:11:32,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:11:32,721 INFO L495 AbstractCegarLoop]: Abstraction has 2631 states and 4133 transitions. [2022-10-16 13:11:32,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 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 13:11:32,722 INFO L276 IsEmpty]: Start isEmpty. Operand 2631 states and 4133 transitions. [2022-10-16 13:11:32,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 13:11:32,726 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:11:32,726 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, 1] [2022-10-16 13:11:32,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 13:11:32,726 INFO L420 AbstractCegarLoop]: === Iteration 14 === 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 13:11:32,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:11:32,727 INFO L85 PathProgramCache]: Analyzing trace with hash 977062553, now seen corresponding path program 1 times [2022-10-16 13:11:32,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:11:32,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035659060] [2022-10-16 13:11:32,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:11:32,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:11:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:35,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:11:35,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:35,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 13:11:35,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:35,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 13:11:35,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:35,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 13:11:35,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:35,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-16 13:11:35,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:35,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-10-16 13:11:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:35,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-16 13:11:35,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:11:35,606 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 13:11:35,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:11:35,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035659060] [2022-10-16 13:11:35,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035659060] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:11:35,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:11:35,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-10-16 13:11:35,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520259181] [2022-10-16 13:11:35,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:11:35,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 13:11:35,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:11:35,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 13:11:35,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2022-10-16 13:11:35,609 INFO L87 Difference]: Start difference. First operand 2631 states and 4133 transitions. Second operand has 14 states, 12 states have (on average 5.75) internal successors, (69), 13 states have internal predecessors, (69), 5 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 3 states have call predecessors, (7), 5 states have call successors, (7) [2022-10-16 13:11:37,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:11:38,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:11:40,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:11:43,004 WARN L539 Checker$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 13:11:44,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:11:46,919 WARN L539 Checker$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 13:11:49,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:11:51,545 WARN L539 Checker$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 13:12:06,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:12:06,959 INFO L93 Difference]: Finished difference Result 6419 states and 10186 transitions. [2022-10-16 13:12:06,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-10-16 13:12:06,959 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 5.75) internal successors, (69), 13 states have internal predecessors, (69), 5 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 3 states have call predecessors, (7), 5 states have call successors, (7) Word has length 92 [2022-10-16 13:12:06,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:12:06,989 INFO L225 Difference]: With dead ends: 6419 [2022-10-16 13:12:06,989 INFO L226 Difference]: Without dead ends: 4002 [2022-10-16 13:12:07,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=247, Invalid=875, Unknown=0, NotChecked=0, Total=1122 [2022-10-16 13:12:07,009 INFO L413 NwaCegarLoop]: 3731 mSDtfsCounter, 2279 mSDsluCounter, 32781 mSDsCounter, 0 mSdLazyCounter, 11416 mSolverCounterSat, 1053 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2353 SdHoareTripleChecker+Valid, 36512 SdHoareTripleChecker+Invalid, 12473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1053 IncrementalHoareTripleChecker+Valid, 11416 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.2s IncrementalHoareTripleChecker+Time [2022-10-16 13:12:07,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2353 Valid, 36512 Invalid, 12473 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1053 Valid, 11416 Invalid, 4 Unknown, 0 Unchecked, 30.2s Time] [2022-10-16 13:12:07,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4002 states. [2022-10-16 13:12:07,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4002 to 2903. [2022-10-16 13:12:07,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2903 states, 2131 states have (on average 1.4758329422806193) internal successors, (3145), 2253 states have internal predecessors, (3145), 690 states have call successors, (690), 56 states have call predecessors, (690), 63 states have return successors, (716), 603 states have call predecessors, (716), 663 states have call successors, (716) [2022-10-16 13:12:07,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2903 states to 2903 states and 4551 transitions. [2022-10-16 13:12:07,232 INFO L78 Accepts]: Start accepts. Automaton has 2903 states and 4551 transitions. Word has length 92 [2022-10-16 13:12:07,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:12:07,233 INFO L495 AbstractCegarLoop]: Abstraction has 2903 states and 4551 transitions. [2022-10-16 13:12:07,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 5.75) internal successors, (69), 13 states have internal predecessors, (69), 5 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 3 states have call predecessors, (7), 5 states have call successors, (7) [2022-10-16 13:12:07,234 INFO L276 IsEmpty]: Start isEmpty. Operand 2903 states and 4551 transitions. [2022-10-16 13:12:07,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 13:12:07,240 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:12:07,240 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, 1] [2022-10-16 13:12:07,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 13:12:07,241 INFO L420 AbstractCegarLoop]: === Iteration 15 === 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 13:12:07,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:12:07,241 INFO L85 PathProgramCache]: Analyzing trace with hash 401102737, now seen corresponding path program 1 times [2022-10-16 13:12:07,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:12:07,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155996809] [2022-10-16 13:12:07,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:12:07,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:12:07,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:07,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:12:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:07,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:12:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:07,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 13:12:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:07,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 13:12:07,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:07,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-16 13:12:07,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:07,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-10-16 13:12:07,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:07,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-16 13:12:07,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:07,970 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 13:12:07,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:12:07,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155996809] [2022-10-16 13:12:07,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155996809] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:12:07,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574668260] [2022-10-16 13:12:07,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:12:07,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:12:07,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:12:07,977 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 13:12:07,980 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 13:12:08,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:08,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 2358 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-16 13:12:08,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:12:08,731 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 13:12:08,731 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:12:08,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [574668260] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:12:08,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:12:08,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 6 [2022-10-16 13:12:08,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599004935] [2022-10-16 13:12:08,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:12:08,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 13:12:08,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:12:08,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 13:12:08,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:12:08,734 INFO L87 Difference]: Start difference. First operand 2903 states and 4551 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-16 13:12:08,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:12:08,963 INFO L93 Difference]: Finished difference Result 6294 states and 9917 transitions. [2022-10-16 13:12:08,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:12:08,963 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 92 [2022-10-16 13:12:08,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:12:08,994 INFO L225 Difference]: With dead ends: 6294 [2022-10-16 13:12:08,994 INFO L226 Difference]: Without dead ends: 3568 [2022-10-16 13:12:09,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 104 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:12:09,019 INFO L413 NwaCegarLoop]: 4127 mSDtfsCounter, 420 mSDsluCounter, 11893 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 16020 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:12:09,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 16020 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 13:12:09,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3568 states. [2022-10-16 13:12:09,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3568 to 2907. [2022-10-16 13:12:09,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2907 states, 2135 states have (on average 1.4740046838407495) internal successors, (3147), 2255 states have internal predecessors, (3147), 690 states have call successors, (690), 56 states have call predecessors, (690), 63 states have return successors, (716), 605 states have call predecessors, (716), 663 states have call successors, (716) [2022-10-16 13:12:09,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 4553 transitions. [2022-10-16 13:12:09,261 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 4553 transitions. Word has length 92 [2022-10-16 13:12:09,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:12:09,262 INFO L495 AbstractCegarLoop]: Abstraction has 2907 states and 4553 transitions. [2022-10-16 13:12:09,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-16 13:12:09,263 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 4553 transitions. [2022-10-16 13:12:09,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 13:12:09,270 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:12:09,271 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, 1] [2022-10-16 13:12:09,321 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 13:12:09,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:12:09,484 INFO L420 AbstractCegarLoop]: === Iteration 16 === 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 13:12:09,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:12:09,485 INFO L85 PathProgramCache]: Analyzing trace with hash -496290541, now seen corresponding path program 1 times [2022-10-16 13:12:09,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:12:09,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597780054] [2022-10-16 13:12:09,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:12:09,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:12:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:09,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:12:09,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:09,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:12:09,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:09,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 13:12:09,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:09,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 13:12:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:09,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-16 13:12:09,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:09,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-10-16 13:12:09,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:09,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-16 13:12:09,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:09,837 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 13:12:09,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:12:09,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597780054] [2022-10-16 13:12:09,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597780054] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:12:09,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671618372] [2022-10-16 13:12:09,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:12:09,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:12:09,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:12:09,839 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:12:09,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 13:12:10,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:10,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 2359 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 13:12:10,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:12:10,744 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 13:12:10,744 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:12:10,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1671618372] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:12:10,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:12:10,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-10-16 13:12:10,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159288871] [2022-10-16 13:12:10,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:12:10,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 13:12:10,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:12:10,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 13:12:10,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:12:10,747 INFO L87 Difference]: Start difference. First operand 2907 states and 4553 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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 13:12:10,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:12:10,943 INFO L93 Difference]: Finished difference Result 6285 states and 9897 transitions. [2022-10-16 13:12:10,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 13:12:10,944 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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 92 [2022-10-16 13:12:10,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:12:10,975 INFO L225 Difference]: With dead ends: 6285 [2022-10-16 13:12:10,975 INFO L226 Difference]: Without dead ends: 3555 [2022-10-16 13:12:11,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 106 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 13:12:11,003 INFO L413 NwaCegarLoop]: 4118 mSDtfsCounter, 417 mSDsluCounter, 3655 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 476 SdHoareTripleChecker+Valid, 7773 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 13:12:11,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [476 Valid, 7773 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 13:12:11,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3555 states. [2022-10-16 13:12:11,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3555 to 2907. [2022-10-16 13:12:11,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2907 states, 2135 states have (on average 1.4721311475409835) internal successors, (3143), 2255 states have internal predecessors, (3143), 690 states have call successors, (690), 56 states have call predecessors, (690), 63 states have return successors, (716), 605 states have call predecessors, (716), 663 states have call successors, (716) [2022-10-16 13:12:11,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 4549 transitions. [2022-10-16 13:12:11,254 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 4549 transitions. Word has length 92 [2022-10-16 13:12:11,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:12:11,254 INFO L495 AbstractCegarLoop]: Abstraction has 2907 states and 4549 transitions. [2022-10-16 13:12:11,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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 13:12:11,255 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 4549 transitions. [2022-10-16 13:12:11,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 13:12:11,264 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:12:11,264 INFO L195 NwaCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:12:11,310 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 13:12:11,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-10-16 13:12:11,477 INFO L420 AbstractCegarLoop]: === Iteration 17 === 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 13:12:11,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:12:11,478 INFO L85 PathProgramCache]: Analyzing trace with hash 323136604, now seen corresponding path program 1 times [2022-10-16 13:12:11,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:12:11,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671919752] [2022-10-16 13:12:11,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:12:11,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:12:11,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:11,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:12:11,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:11,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:12:11,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:11,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 13:12:11,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:11,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-16 13:12:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:11,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 13:12:11,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:11,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-16 13:12:11,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:11,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-16 13:12:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:11,882 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-16 13:12:11,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:12:11,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671919752] [2022-10-16 13:12:11,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671919752] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:12:11,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:12:11,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:12:11,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720676338] [2022-10-16 13:12:11,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:12:11,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:12:11,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:12:11,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:12:11,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:12:11,885 INFO L87 Difference]: Start difference. First operand 2907 states and 4549 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 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 13:12:13,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:12:16,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:12:16,910 INFO L93 Difference]: Finished difference Result 5715 states and 9016 transitions. [2022-10-16 13:12:16,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:12:16,910 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 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 102 [2022-10-16 13:12:16,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:12:16,935 INFO L225 Difference]: With dead ends: 5715 [2022-10-16 13:12:16,935 INFO L226 Difference]: Without dead ends: 2985 [2022-10-16 13:12:16,961 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 13:12:16,962 INFO L413 NwaCegarLoop]: 3592 mSDtfsCounter, 388 mSDsluCounter, 4908 mSDsCounter, 0 mSdLazyCounter, 1699 mSolverCounterSat, 628 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 8500 SdHoareTripleChecker+Invalid, 2327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 628 IncrementalHoareTripleChecker+Valid, 1699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-10-16 13:12:16,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 8500 Invalid, 2327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [628 Valid, 1699 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-10-16 13:12:16,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2985 states. [2022-10-16 13:12:17,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2985 to 2908. [2022-10-16 13:12:17,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2908 states, 2136 states have (on average 1.4719101123595506) internal successors, (3144), 2256 states have internal predecessors, (3144), 690 states have call successors, (690), 56 states have call predecessors, (690), 63 states have return successors, (716), 605 states have call predecessors, (716), 663 states have call successors, (716) [2022-10-16 13:12:17,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2908 states to 2908 states and 4550 transitions. [2022-10-16 13:12:17,169 INFO L78 Accepts]: Start accepts. Automaton has 2908 states and 4550 transitions. Word has length 102 [2022-10-16 13:12:17,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:12:17,169 INFO L495 AbstractCegarLoop]: Abstraction has 2908 states and 4550 transitions. [2022-10-16 13:12:17,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 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 13:12:17,169 INFO L276 IsEmpty]: Start isEmpty. Operand 2908 states and 4550 transitions. [2022-10-16 13:12:17,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-16 13:12:17,177 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:12:17,177 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:12:17,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 13:12:17,177 INFO L420 AbstractCegarLoop]: === Iteration 18 === 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 13:12:17,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:12:17,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1224288471, now seen corresponding path program 1 times [2022-10-16 13:12:17,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:12:17,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009376979] [2022-10-16 13:12:17,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:12:17,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:12:17,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:18,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:12:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:18,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 13:12:18,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:18,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 13:12:18,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:18,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-16 13:12:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:18,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 13:12:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:18,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 13:12:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:18,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-10-16 13:12:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:18,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-10-16 13:12:18,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:18,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-10-16 13:12:18,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:18,906 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-10-16 13:12:18,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:12:18,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009376979] [2022-10-16 13:12:18,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009376979] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:12:18,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:12:18,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 13:12:18,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313904957] [2022-10-16 13:12:18,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:12:18,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 13:12:18,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:12:18,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 13:12:18,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:12:18,910 INFO L87 Difference]: Start difference. First operand 2908 states and 4550 transitions. Second operand has 8 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 3 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2022-10-16 13:12:21,419 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 13:12:23,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:12:25,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:12:27,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:12:28,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:12:37,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:12:37,755 INFO L93 Difference]: Finished difference Result 6082 states and 9672 transitions. [2022-10-16 13:12:37,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 13:12:37,756 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 3 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) Word has length 107 [2022-10-16 13:12:37,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:12:37,782 INFO L225 Difference]: With dead ends: 6082 [2022-10-16 13:12:37,783 INFO L226 Difference]: Without dead ends: 3195 [2022-10-16 13:12:37,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2022-10-16 13:12:37,809 INFO L413 NwaCegarLoop]: 3503 mSDtfsCounter, 1026 mSDsluCounter, 12983 mSDsCounter, 0 mSdLazyCounter, 8195 mSolverCounterSat, 751 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1085 SdHoareTripleChecker+Valid, 16486 SdHoareTripleChecker+Invalid, 8949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 751 IncrementalHoareTripleChecker+Valid, 8195 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2022-10-16 13:12:37,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1085 Valid, 16486 Invalid, 8949 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [751 Valid, 8195 Invalid, 3 Unknown, 0 Unchecked, 18.3s Time] [2022-10-16 13:12:37,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3195 states. [2022-10-16 13:12:38,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3195 to 2903. [2022-10-16 13:12:38,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2903 states, 2132 states have (on average 1.4718574108818012) internal successors, (3138), 2252 states have internal predecessors, (3138), 690 states have call successors, (690), 56 states have call predecessors, (690), 62 states have return successors, (707), 604 states have call predecessors, (707), 663 states have call successors, (707) [2022-10-16 13:12:38,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2903 states to 2903 states and 4535 transitions. [2022-10-16 13:12:38,129 INFO L78 Accepts]: Start accepts. Automaton has 2903 states and 4535 transitions. Word has length 107 [2022-10-16 13:12:38,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:12:38,130 INFO L495 AbstractCegarLoop]: Abstraction has 2903 states and 4535 transitions. [2022-10-16 13:12:38,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 3 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (9), 2 states have call predecessors, (9), 3 states have call successors, (9) [2022-10-16 13:12:38,130 INFO L276 IsEmpty]: Start isEmpty. Operand 2903 states and 4535 transitions. [2022-10-16 13:12:38,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 13:12:38,137 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:12:38,138 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:12:38,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 13:12:38,139 INFO L420 AbstractCegarLoop]: === Iteration 19 === 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 13:12:38,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:12:38,139 INFO L85 PathProgramCache]: Analyzing trace with hash -500821228, now seen corresponding path program 1 times [2022-10-16 13:12:38,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:12:38,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447686637] [2022-10-16 13:12:38,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:12:38,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:12:38,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:40,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:12:40,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:40,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 13:12:40,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:40,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 13:12:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:40,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-16 13:12:40,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:40,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-10-16 13:12:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:40,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-10-16 13:12:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:40,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 13:12:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:40,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-10-16 13:12:40,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:40,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-10-16 13:12:40,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:40,415 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-10-16 13:12:40,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:12:40,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447686637] [2022-10-16 13:12:40,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447686637] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:12:40,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300475197] [2022-10-16 13:12:40,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:12:40,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:12:40,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:12:40,418 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:12:40,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 13:12:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:12:41,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 2433 conjuncts, 37 conjunts are in the unsatisfiable core [2022-10-16 13:12:41,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:12:41,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 13:12:41,383 INFO L356 Elim1Store]: treesize reduction 64, result has 30.4 percent of original size [2022-10-16 13:12:41,384 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 13:12:41,444 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-10-16 13:12:41,445 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-10-16 13:12:41,478 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 13:12:41,588 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-10-16 13:12:41,667 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