/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 12:46:07,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 12:46:07,497 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 12:46:07,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 12:46:07,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 12:46:07,570 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 12:46:07,575 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 12:46:07,584 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 12:46:07,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 12:46:07,595 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 12:46:07,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 12:46:07,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 12:46:07,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 12:46:07,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 12:46:07,609 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 12:46:07,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 12:46:07,613 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 12:46:07,614 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 12:46:07,618 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 12:46:07,627 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 12:46:07,629 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 12:46:07,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 12:46:07,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 12:46:07,636 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 12:46:07,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 12:46:07,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 12:46:07,646 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 12:46:07,648 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 12:46:07,649 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 12:46:07,650 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 12:46:07,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 12:46:07,651 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 12:46:07,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 12:46:07,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 12:46:07,655 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 12:46:07,656 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 12:46:07,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 12:46:07,657 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 12:46:07,657 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 12:46:07,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 12:46:07,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 12:46:07,663 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 12:46:07,710 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 12:46:07,711 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 12:46:07,711 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 12:46:07,712 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 12:46:07,713 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 12:46:07,713 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 12:46:07,716 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 12:46:07,717 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 12:46:07,717 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 12:46:07,717 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 12:46:07,718 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 12:46:07,718 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 12:46:07,719 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 12:46:07,719 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 12:46:07,719 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 12:46:07,719 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 12:46:07,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 12:46:07,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 12:46:07,720 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 12:46:07,720 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 12:46:07,720 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 12:46:07,720 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 12:46:07,720 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 12:46:07,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 12:46:07,721 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 12:46:07,721 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 12:46:07,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:46:07,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 12:46:07,722 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 12:46:07,722 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 12:46:07,722 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 12:46:07,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 12:46:07,723 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 12:46:07,723 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 12:46:08,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 12:46:08,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 12:46:08,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 12:46:08,204 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 12:46:08,205 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 12:46:08,206 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i [2022-10-16 12:46:08,297 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e7ffc688/1777545064e54048bc0ccdc1d2e523b6/FLAG3d2007f3d [2022-10-16 12:46:09,389 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 12:46:09,390 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i [2022-10-16 12:46:09,440 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e7ffc688/1777545064e54048bc0ccdc1d2e523b6/FLAG3d2007f3d [2022-10-16 12:46:09,886 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e7ffc688/1777545064e54048bc0ccdc1d2e523b6 [2022-10-16 12:46:09,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 12:46:09,895 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 12:46:09,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 12:46:09,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 12:46:09,903 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 12:46:09,904 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:46:09" (1/1) ... [2022-10-16 12:46:09,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31c44bc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:46:09, skipping insertion in model container [2022-10-16 12:46:09,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:46:09" (1/1) ... [2022-10-16 12:46:09,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 12:46:10,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 12:46:11,221 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i[168201,168214] [2022-10-16 12:46:11,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:46:11,407 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 12:46:11,727 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i[168201,168214] [2022-10-16 12:46:11,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:46:12,156 INFO L208 MainTranslator]: Completed translation [2022-10-16 12:46:12,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:46:12 WrapperNode [2022-10-16 12:46:12,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 12:46:12,159 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 12:46:12,159 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 12:46:12,159 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 12:46:12,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:46:12" (1/1) ... [2022-10-16 12:46:12,299 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:46:12" (1/1) ... [2022-10-16 12:46:12,548 INFO L138 Inliner]: procedures = 115, calls = 2009, calls flagged for inlining = 45, calls inlined = 37, statements flattened = 5291 [2022-10-16 12:46:12,549 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 12:46:12,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 12:46:12,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 12:46:12,550 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 12:46:12,563 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:46:12" (1/1) ... [2022-10-16 12:46:12,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:46:12" (1/1) ... [2022-10-16 12:46:12,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:46:12" (1/1) ... [2022-10-16 12:46:12,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:46:12" (1/1) ... [2022-10-16 12:46:12,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:46:12" (1/1) ... [2022-10-16 12:46:12,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:46:12" (1/1) ... [2022-10-16 12:46:12,874 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:46:12" (1/1) ... [2022-10-16 12:46:12,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:46:12" (1/1) ... [2022-10-16 12:46:12,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 12:46:12,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 12:46:12,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 12:46:12,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 12:46:12,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:46:12" (1/1) ... [2022-10-16 12:46:13,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:46:13,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:46:13,037 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 12:46:13,061 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 12:46:13,112 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_set_limit [2022-10-16 12:46:13,112 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_set_limit [2022-10-16 12:46:13,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 12:46:13,112 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-10-16 12:46:13,113 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-10-16 12:46:13,113 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2022-10-16 12:46:13,113 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2022-10-16 12:46:13,113 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_limit [2022-10-16 12:46:13,114 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_limit [2022-10-16 12:46:13,114 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_update_device [2022-10-16 12:46:13,114 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_update_device [2022-10-16 12:46:13,114 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_input [2022-10-16 12:46:13,114 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_input [2022-10-16 12:46:13,114 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_read_adc [2022-10-16 12:46:13,115 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_read_adc [2022-10-16 12:46:13,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 12:46:13,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 12:46:13,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_max16065_data [2022-10-16 12:46:13,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_max16065_data [2022-10-16 12:46:13,115 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_show_alarm [2022-10-16 12:46:13,115 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_show_alarm [2022-10-16 12:46:13,116 INFO L130 BoogieDeclarations]: Found specification of procedure LIMIT_TO_MV [2022-10-16 12:46:13,116 INFO L138 BoogieDeclarations]: Found implementation of procedure LIMIT_TO_MV [2022-10-16 12:46:13,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 12:46:13,116 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-16 12:46:13,116 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-16 12:46:13,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 12:46:13,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 12:46:13,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 12:46:13,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 12:46:13,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 12:46:13,117 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-16 12:46:13,117 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-16 12:46:13,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 12:46:13,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 12:46:13,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 12:46:13,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_max16065_data [2022-10-16 12:46:13,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_max16065_data [2022-10-16 12:46:13,118 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2022-10-16 12:46:13,118 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2022-10-16 12:46:13,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 12:46:13,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 12:46:13,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 12:46:13,119 INFO L130 BoogieDeclarations]: Found specification of procedure max16065_cleanup [2022-10-16 12:46:13,119 INFO L138 BoogieDeclarations]: Found implementation of procedure max16065_cleanup [2022-10-16 12:46:13,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 12:46:13,119 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2022-10-16 12:46:13,119 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2022-10-16 12:46:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 12:46:13,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 12:46:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_file [2022-10-16 12:46:13,120 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_file [2022-10-16 12:46:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-16 12:46:13,121 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-16 12:46:13,931 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 12:46:13,935 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 12:46:20,110 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 12:46:20,131 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 12:46:20,131 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 12:46:20,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:46:20 BoogieIcfgContainer [2022-10-16 12:46:20,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 12:46:20,139 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 12:46:20,139 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 12:46:20,144 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 12:46:20,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:46:09" (1/3) ... [2022-10-16 12:46:20,145 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15709c30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:46:20, skipping insertion in model container [2022-10-16 12:46:20,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:46:12" (2/3) ... [2022-10-16 12:46:20,145 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15709c30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:46:20, skipping insertion in model container [2022-10-16 12:46:20,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:46:20" (3/3) ... [2022-10-16 12:46:20,147 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--max16065.ko-main.cil.out.i [2022-10-16 12:46:20,171 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 12:46:20,171 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 80 error locations. [2022-10-16 12:46:20,296 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 12:46:20,313 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;@5f5a54d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 12:46:20,313 INFO L358 AbstractCegarLoop]: Starting to check reachability of 80 error locations. [2022-10-16 12:46:20,324 INFO L276 IsEmpty]: Start isEmpty. Operand has 1254 states, 970 states have (on average 1.6402061855670103) internal successors, (1591), 1056 states have internal predecessors, (1591), 182 states have call successors, (182), 21 states have call predecessors, (182), 21 states have return successors, (182), 182 states have call predecessors, (182), 182 states have call successors, (182) [2022-10-16 12:46:20,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-16 12:46:20,347 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:46:20,348 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:46:20,349 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting max16065_set_limitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [LIMIT_TO_MVErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, LIMIT_TO_MVErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, LIMIT_TO_MVErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 77 more)] === [2022-10-16 12:46:20,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:46:20,355 INFO L85 PathProgramCache]: Analyzing trace with hash -157805363, now seen corresponding path program 1 times [2022-10-16 12:46:20,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:46:20,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465417284] [2022-10-16 12:46:20,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:46:20,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:46:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:21,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 12:46:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:21,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:46:21,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:21,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-16 12:46:21,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:21,778 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 12:46:21,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:46:21,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465417284] [2022-10-16 12:46:21,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465417284] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:46:21,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:46:21,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:46:21,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267573914] [2022-10-16 12:46:21,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:46:21,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:46:21,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:46:21,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:46:21,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:46:21,848 INFO L87 Difference]: Start difference. First operand has 1254 states, 970 states have (on average 1.6402061855670103) internal successors, (1591), 1056 states have internal predecessors, (1591), 182 states have call successors, (182), 21 states have call predecessors, (182), 21 states have return successors, (182), 182 states have call predecessors, (182), 182 states have call successors, (182) Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:46:23,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:46:23,924 INFO L93 Difference]: Finished difference Result 3924 states and 6499 transitions. [2022-10-16 12:46:23,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:46:23,928 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 34 [2022-10-16 12:46:23,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:46:23,991 INFO L225 Difference]: With dead ends: 3924 [2022-10-16 12:46:23,991 INFO L226 Difference]: Without dead ends: 2637 [2022-10-16 12:46:24,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 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 12:46:24,028 INFO L413 NwaCegarLoop]: 2159 mSDtfsCounter, 2244 mSDsluCounter, 3575 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 452 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2376 SdHoareTripleChecker+Valid, 5734 SdHoareTripleChecker+Invalid, 883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 452 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 12:46:24,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2376 Valid, 5734 Invalid, 883 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [452 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 12:46:24,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2637 states. [2022-10-16 12:46:24,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2637 to 2373. [2022-10-16 12:46:24,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2373 states, 1905 states have (on average 1.637270341207349) internal successors, (3119), 1982 states have internal predecessors, (3119), 350 states have call successors, (350), 40 states have call predecessors, (350), 40 states have return successors, (350), 350 states have call predecessors, (350), 350 states have call successors, (350) [2022-10-16 12:46:24,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2373 states to 2373 states and 3819 transitions. [2022-10-16 12:46:24,472 INFO L78 Accepts]: Start accepts. Automaton has 2373 states and 3819 transitions. Word has length 34 [2022-10-16 12:46:24,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:46:24,473 INFO L495 AbstractCegarLoop]: Abstraction has 2373 states and 3819 transitions. [2022-10-16 12:46:24,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:46:24,474 INFO L276 IsEmpty]: Start isEmpty. Operand 2373 states and 3819 transitions. [2022-10-16 12:46:24,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-16 12:46:24,478 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:46:24,478 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:46:24,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 12:46:24,479 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting max16065_set_limitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [LIMIT_TO_MVErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, LIMIT_TO_MVErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, LIMIT_TO_MVErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 77 more)] === [2022-10-16 12:46:24,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:46:24,480 INFO L85 PathProgramCache]: Analyzing trace with hash -421026092, now seen corresponding path program 1 times [2022-10-16 12:46:24,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:46:24,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475892240] [2022-10-16 12:46:24,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:46:24,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:46:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:25,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 12:46:25,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:25,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:46:25,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:25,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 12:46:25,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:25,357 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 12:46:25,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:46:25,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475892240] [2022-10-16 12:46:25,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475892240] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:46:25,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:46:25,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:46:25,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898259455] [2022-10-16 12:46:25,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:46:25,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:46:25,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:46:25,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:46:25,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:46:25,369 INFO L87 Difference]: Start difference. First operand 2373 states and 3819 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:46:27,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:46:27,079 INFO L93 Difference]: Finished difference Result 7429 states and 12185 transitions. [2022-10-16 12:46:27,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:46:27,080 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 33 [2022-10-16 12:46:27,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:46:27,129 INFO L225 Difference]: With dead ends: 7429 [2022-10-16 12:46:27,129 INFO L226 Difference]: Without dead ends: 5059 [2022-10-16 12:46:27,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 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 12:46:27,149 INFO L413 NwaCegarLoop]: 2231 mSDtfsCounter, 2160 mSDsluCounter, 3589 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 424 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2278 SdHoareTripleChecker+Valid, 5820 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 424 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 12:46:27,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2278 Valid, 5820 Invalid, 851 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [424 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 12:46:27,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5059 states. [2022-10-16 12:46:27,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5059 to 4645. [2022-10-16 12:46:27,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4645 states, 3791 states have (on average 1.6372988657346346) internal successors, (6207), 3868 states have internal predecessors, (6207), 696 states have call successors, (696), 80 states have call predecessors, (696), 80 states have return successors, (696), 696 states have call predecessors, (696), 696 states have call successors, (696) [2022-10-16 12:46:27,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4645 states to 4645 states and 7599 transitions. [2022-10-16 12:46:27,533 INFO L78 Accepts]: Start accepts. Automaton has 4645 states and 7599 transitions. Word has length 33 [2022-10-16 12:46:27,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:46:27,534 INFO L495 AbstractCegarLoop]: Abstraction has 4645 states and 7599 transitions. [2022-10-16 12:46:27,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:46:27,534 INFO L276 IsEmpty]: Start isEmpty. Operand 4645 states and 7599 transitions. [2022-10-16 12:46:27,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-16 12:46:27,537 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:46:27,537 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:46:27,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 12:46:27,538 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting max16065_set_limitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [LIMIT_TO_MVErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, LIMIT_TO_MVErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, LIMIT_TO_MVErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 77 more)] === [2022-10-16 12:46:27,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:46:27,538 INFO L85 PathProgramCache]: Analyzing trace with hash 918391783, now seen corresponding path program 1 times [2022-10-16 12:46:27,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:46:27,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122553149] [2022-10-16 12:46:27,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:46:27,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:46:27,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:28,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 12:46:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:28,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:46:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:28,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 12:46:28,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:28,194 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 12:46:28,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:46:28,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122553149] [2022-10-16 12:46:28,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122553149] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:46:28,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:46:28,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:46:28,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16028499] [2022-10-16 12:46:28,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:46:28,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:46:28,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:46:28,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:46:28,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:46:28,205 INFO L87 Difference]: Start difference. First operand 4645 states and 7599 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:46:29,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:46:29,986 INFO L93 Difference]: Finished difference Result 14525 states and 24255 transitions. [2022-10-16 12:46:29,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:46:29,987 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 41 [2022-10-16 12:46:29,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:46:30,079 INFO L225 Difference]: With dead ends: 14525 [2022-10-16 12:46:30,080 INFO L226 Difference]: Without dead ends: 9883 [2022-10-16 12:46:30,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 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 12:46:30,115 INFO L413 NwaCegarLoop]: 2320 mSDtfsCounter, 2144 mSDsluCounter, 3723 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 405 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2214 SdHoareTripleChecker+Valid, 6043 SdHoareTripleChecker+Invalid, 836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 405 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 12:46:30,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2214 Valid, 6043 Invalid, 836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [405 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 12:46:30,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9883 states. [2022-10-16 12:46:30,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9883 to 9169. [2022-10-16 12:46:30,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9169 states, 7547 states have (on average 1.637074334172519) internal successors, (12355), 7624 states have internal predecessors, (12355), 1384 states have call successors, (1384), 160 states have call predecessors, (1384), 160 states have return successors, (1384), 1384 states have call predecessors, (1384), 1384 states have call successors, (1384) [2022-10-16 12:46:30,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9169 states to 9169 states and 15123 transitions. [2022-10-16 12:46:30,773 INFO L78 Accepts]: Start accepts. Automaton has 9169 states and 15123 transitions. Word has length 41 [2022-10-16 12:46:30,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:46:30,774 INFO L495 AbstractCegarLoop]: Abstraction has 9169 states and 15123 transitions. [2022-10-16 12:46:30,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:46:30,774 INFO L276 IsEmpty]: Start isEmpty. Operand 9169 states and 15123 transitions. [2022-10-16 12:46:30,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-16 12:46:30,776 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:46:30,777 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:46:30,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 12:46:30,777 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting max16065_set_limitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [LIMIT_TO_MVErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, LIMIT_TO_MVErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, LIMIT_TO_MVErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 77 more)] === [2022-10-16 12:46:30,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:46:30,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1873541715, now seen corresponding path program 1 times [2022-10-16 12:46:30,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:46:30,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434636225] [2022-10-16 12:46:30,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:46:30,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:46:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:31,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-10-16 12:46:31,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:31,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:46:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:31,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 12:46:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:31,410 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 12:46:31,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:46:31,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434636225] [2022-10-16 12:46:31,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434636225] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:46:31,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:46:31,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:46:31,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332340217] [2022-10-16 12:46:31,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:46:31,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:46:31,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:46:31,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:46:31,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:46:31,414 INFO L87 Difference]: Start difference. First operand 9169 states and 15123 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:46:33,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:46:33,566 INFO L93 Difference]: Finished difference Result 28657 states and 48283 transitions. [2022-10-16 12:46:33,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:46:33,567 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 42 [2022-10-16 12:46:33,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:46:33,707 INFO L225 Difference]: With dead ends: 28657 [2022-10-16 12:46:33,708 INFO L226 Difference]: Without dead ends: 19491 [2022-10-16 12:46:33,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 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 12:46:33,779 INFO L413 NwaCegarLoop]: 2291 mSDtfsCounter, 2135 mSDsluCounter, 3613 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 416 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2240 SdHoareTripleChecker+Valid, 5904 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 416 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 12:46:33,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2240 Valid, 5904 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [416 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 12:46:33,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19491 states. [2022-10-16 12:46:35,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19491 to 18177. [2022-10-16 12:46:35,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18177 states, 15027 states have (on average 1.6367205696413123) internal successors, (24595), 15104 states have internal predecessors, (24595), 2752 states have call successors, (2752), 320 states have call predecessors, (2752), 320 states have return successors, (2752), 2752 states have call predecessors, (2752), 2752 states have call successors, (2752) [2022-10-16 12:46:35,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18177 states to 18177 states and 30099 transitions. [2022-10-16 12:46:35,185 INFO L78 Accepts]: Start accepts. Automaton has 18177 states and 30099 transitions. Word has length 42 [2022-10-16 12:46:35,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:46:35,186 INFO L495 AbstractCegarLoop]: Abstraction has 18177 states and 30099 transitions. [2022-10-16 12:46:35,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:46:35,188 INFO L276 IsEmpty]: Start isEmpty. Operand 18177 states and 30099 transitions. [2022-10-16 12:46:35,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-16 12:46:35,193 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:46:35,193 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:46:35,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 12:46:35,193 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting max16065_set_limitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [LIMIT_TO_MVErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, LIMIT_TO_MVErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, LIMIT_TO_MVErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 77 more)] === [2022-10-16 12:46:35,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:46:35,194 INFO L85 PathProgramCache]: Analyzing trace with hash -971750151, now seen corresponding path program 1 times [2022-10-16 12:46:35,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:46:35,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336366035] [2022-10-16 12:46:35,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:46:35,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:46:35,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:35,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-16 12:46:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:35,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:46:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:35,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-16 12:46:35,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:35,762 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 12:46:35,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:46:35,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336366035] [2022-10-16 12:46:35,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336366035] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:46:35,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:46:35,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:46:35,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583533246] [2022-10-16 12:46:35,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:46:35,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:46:35,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:46:35,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:46:35,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:46:35,766 INFO L87 Difference]: Start difference. First operand 18177 states and 30099 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:46:38,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:46:38,783 INFO L93 Difference]: Finished difference Result 56801 states and 96115 transitions. [2022-10-16 12:46:38,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:46:38,784 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 31 [2022-10-16 12:46:38,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:46:39,304 INFO L225 Difference]: With dead ends: 56801 [2022-10-16 12:46:39,304 INFO L226 Difference]: Without dead ends: 38627 [2022-10-16 12:46:39,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 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 12:46:39,395 INFO L413 NwaCegarLoop]: 2236 mSDtfsCounter, 2168 mSDsluCounter, 3567 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 410 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2283 SdHoareTripleChecker+Valid, 5803 SdHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 410 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 12:46:39,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2283 Valid, 5803 Invalid, 838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [410 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 12:46:39,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38627 states. [2022-10-16 12:46:42,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38627 to 36113. [2022-10-16 12:46:42,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36113 states, 29923 states have (on average 1.6362998362463657) internal successors, (48963), 30000 states have internal predecessors, (48963), 5472 states have call successors, (5472), 640 states have call predecessors, (5472), 640 states have return successors, (5472), 5472 states have call predecessors, (5472), 5472 states have call successors, (5472) [2022-10-16 12:46:42,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36113 states to 36113 states and 59907 transitions. [2022-10-16 12:46:42,512 INFO L78 Accepts]: Start accepts. Automaton has 36113 states and 59907 transitions. Word has length 31 [2022-10-16 12:46:42,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:46:42,513 INFO L495 AbstractCegarLoop]: Abstraction has 36113 states and 59907 transitions. [2022-10-16 12:46:42,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:46:42,513 INFO L276 IsEmpty]: Start isEmpty. Operand 36113 states and 59907 transitions. [2022-10-16 12:46:42,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-16 12:46:42,515 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:46:42,515 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:46:42,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 12:46:42,516 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting max16065_set_limitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [LIMIT_TO_MVErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, LIMIT_TO_MVErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, LIMIT_TO_MVErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 77 more)] === [2022-10-16 12:46:42,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:46:42,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1047139220, now seen corresponding path program 1 times [2022-10-16 12:46:42,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:46:42,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170301874] [2022-10-16 12:46:42,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:46:42,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:46:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:43,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-16 12:46:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:43,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:46:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:43,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-10-16 12:46:43,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:43,355 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 12:46:43,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:46:43,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170301874] [2022-10-16 12:46:43,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170301874] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:46:43,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:46:43,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:46:43,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504730171] [2022-10-16 12:46:43,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:46:43,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:46:43,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:46:43,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:46:43,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:46:43,360 INFO L87 Difference]: Start difference. First operand 36113 states and 59907 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:46:47,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:46:47,845 INFO L93 Difference]: Finished difference Result 112849 states and 191331 transitions. [2022-10-16 12:46:47,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:46:47,846 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2022-10-16 12:46:47,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:46:48,385 INFO L225 Difference]: With dead ends: 112849 [2022-10-16 12:46:48,386 INFO L226 Difference]: Without dead ends: 76739 [2022-10-16 12:46:48,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 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 12:46:48,558 INFO L413 NwaCegarLoop]: 2294 mSDtfsCounter, 2168 mSDsluCounter, 3605 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 412 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2254 SdHoareTripleChecker+Valid, 5899 SdHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 412 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 12:46:48,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2254 Valid, 5899 Invalid, 840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [412 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 12:46:48,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76739 states. [2022-10-16 12:46:53,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76739 to 71825. [2022-10-16 12:46:53,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71825 states, 59587 states have (on average 1.6358433886586001) internal successors, (97475), 59664 states have internal predecessors, (97475), 10880 states have call successors, (10880), 1280 states have call predecessors, (10880), 1280 states have return successors, (10880), 10880 states have call predecessors, (10880), 10880 states have call successors, (10880) [2022-10-16 12:46:54,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71825 states to 71825 states and 119235 transitions. [2022-10-16 12:46:54,113 INFO L78 Accepts]: Start accepts. Automaton has 71825 states and 119235 transitions. Word has length 38 [2022-10-16 12:46:54,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:46:54,116 INFO L495 AbstractCegarLoop]: Abstraction has 71825 states and 119235 transitions. [2022-10-16 12:46:54,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:46:54,116 INFO L276 IsEmpty]: Start isEmpty. Operand 71825 states and 119235 transitions. [2022-10-16 12:46:54,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-16 12:46:54,120 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:46:54,121 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:46:54,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 12:46:54,122 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting max16065_set_limitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [LIMIT_TO_MVErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, LIMIT_TO_MVErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, LIMIT_TO_MVErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 77 more)] === [2022-10-16 12:46:54,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:46:54,132 INFO L85 PathProgramCache]: Analyzing trace with hash -218976814, now seen corresponding path program 1 times [2022-10-16 12:46:54,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:46:54,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072949695] [2022-10-16 12:46:54,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:46:54,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:46:54,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:54,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 12:46:54,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:54,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:46:54,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:54,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 12:46:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:46:54,877 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 12:46:54,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:46:54,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072949695] [2022-10-16 12:46:54,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072949695] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:46:54,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:46:54,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:46:54,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673801491] [2022-10-16 12:46:54,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:46:54,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:46:54,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:46:54,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:46:54,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:46:54,880 INFO L87 Difference]: Start difference. First operand 71825 states and 119235 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:47:01,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:47:01,287 INFO L93 Difference]: Finished difference Result 224465 states and 380867 transitions. [2022-10-16 12:47:01,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:47:01,288 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 32 [2022-10-16 12:47:01,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:47:02,580 INFO L225 Difference]: With dead ends: 224465 [2022-10-16 12:47:02,581 INFO L226 Difference]: Without dead ends: 152643 [2022-10-16 12:47:03,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 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 12:47:03,025 INFO L413 NwaCegarLoop]: 2338 mSDtfsCounter, 2208 mSDsluCounter, 3735 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 417 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2296 SdHoareTripleChecker+Valid, 6073 SdHoareTripleChecker+Invalid, 846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 417 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 12:47:03,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2296 Valid, 6073 Invalid, 846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [417 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 12:47:03,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152643 states. [2022-10-16 12:47:10,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152643 to 142929. [2022-10-16 12:47:10,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142929 states, 118659 states have (on average 1.635366891681204) internal successors, (194051), 118736 states have internal predecessors, (194051), 21632 states have call successors, (21632), 2560 states have call predecessors, (21632), 2560 states have return successors, (21632), 21632 states have call predecessors, (21632), 21632 states have call successors, (21632) [2022-10-16 12:47:11,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142929 states to 142929 states and 237315 transitions. [2022-10-16 12:47:11,892 INFO L78 Accepts]: Start accepts. Automaton has 142929 states and 237315 transitions. Word has length 32 [2022-10-16 12:47:11,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:47:11,893 INFO L495 AbstractCegarLoop]: Abstraction has 142929 states and 237315 transitions. [2022-10-16 12:47:11,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:47:11,894 INFO L276 IsEmpty]: Start isEmpty. Operand 142929 states and 237315 transitions. [2022-10-16 12:47:11,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-16 12:47:11,896 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:47:11,896 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, 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 12:47:11,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 12:47:11,896 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting max16065_set_limitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [LIMIT_TO_MVErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, LIMIT_TO_MVErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, LIMIT_TO_MVErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 77 more)] === [2022-10-16 12:47:11,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:47:11,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1970588685, now seen corresponding path program 1 times [2022-10-16 12:47:11,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:47:11,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718450437] [2022-10-16 12:47:11,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:47:11,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:47:12,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:13,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-16 12:47:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:13,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:47:13,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:13,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 12:47:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:13,074 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 12:47:13,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:47:13,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718450437] [2022-10-16 12:47:13,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718450437] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:47:13,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:47:13,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:47:13,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570004079] [2022-10-16 12:47:13,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:47:13,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:47:13,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:47:13,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:47:13,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:47:13,079 INFO L87 Difference]: Start difference. First operand 142929 states and 237315 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:47:24,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:47:24,795 INFO L93 Difference]: Finished difference Result 446737 states and 758147 transitions. [2022-10-16 12:47:24,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:47:24,796 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 44 [2022-10-16 12:47:24,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:47:26,875 INFO L225 Difference]: With dead ends: 446737 [2022-10-16 12:47:26,875 INFO L226 Difference]: Without dead ends: 303811 [2022-10-16 12:47:27,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 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 12:47:27,980 INFO L413 NwaCegarLoop]: 2292 mSDtfsCounter, 2196 mSDsluCounter, 3591 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 419 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2284 SdHoareTripleChecker+Valid, 5883 SdHoareTripleChecker+Invalid, 848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 419 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 12:47:27,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2284 Valid, 5883 Invalid, 848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [419 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 12:47:28,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303811 states. [2022-10-16 12:47:42,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303811 to 284497. [2022-10-16 12:47:43,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284497 states, 236291 states have (on average 1.6348781798714298) internal successors, (386307), 236368 states have internal predecessors, (386307), 43008 states have call successors, (43008), 5120 states have call predecessors, (43008), 5120 states have return successors, (43008), 43008 states have call predecessors, (43008), 43008 states have call successors, (43008) [2022-10-16 12:47:45,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284497 states to 284497 states and 472323 transitions. [2022-10-16 12:47:45,891 INFO L78 Accepts]: Start accepts. Automaton has 284497 states and 472323 transitions. Word has length 44 [2022-10-16 12:47:45,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:47:45,892 INFO L495 AbstractCegarLoop]: Abstraction has 284497 states and 472323 transitions. [2022-10-16 12:47:45,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:47:45,893 INFO L276 IsEmpty]: Start isEmpty. Operand 284497 states and 472323 transitions. [2022-10-16 12:47:45,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-16 12:47:45,895 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:47:45,895 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:47:45,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 12:47:45,896 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting max16065_set_limitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [LIMIT_TO_MVErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, LIMIT_TO_MVErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, LIMIT_TO_MVErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 77 more)] === [2022-10-16 12:47:45,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:47:45,896 INFO L85 PathProgramCache]: Analyzing trace with hash -347529773, now seen corresponding path program 1 times [2022-10-16 12:47:45,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:47:45,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656176615] [2022-10-16 12:47:45,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:47:45,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:47:46,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:46,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-10-16 12:47:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:46,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:47:46,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:46,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-16 12:47:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:47:46,893 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 12:47:46,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:47:46,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656176615] [2022-10-16 12:47:46,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656176615] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:47:46,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:47:46,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 12:47:46,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604710810] [2022-10-16 12:47:46,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:47:46,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:47:46,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:47:46,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:47:46,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:47:46,897 INFO L87 Difference]: Start difference. First operand 284497 states and 472323 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:48:10,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:48:10,046 INFO L93 Difference]: Finished difference Result 889361 states and 1509123 transitions. [2022-10-16 12:48:10,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 12:48:10,049 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 37 [2022-10-16 12:48:10,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:48:16,726 INFO L225 Difference]: With dead ends: 889361 [2022-10-16 12:48:16,727 INFO L226 Difference]: Without dead ends: 604867 [2022-10-16 12:48:19,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 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 12:48:19,836 INFO L413 NwaCegarLoop]: 2307 mSDtfsCounter, 2203 mSDsluCounter, 3601 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 415 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2334 SdHoareTripleChecker+Valid, 5908 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 415 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 12:48:19,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2334 Valid, 5908 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [415 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 12:48:20,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604867 states. [2022-10-16 12:48:57,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604867 to 566353. [2022-10-16 12:48:59,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566353 states, 470531 states have (on average 1.6343811566081725) internal successors, (769027), 470608 states have internal predecessors, (769027), 85504 states have call successors, (85504), 10240 states have call predecessors, (85504), 10240 states have return successors, (85504), 85504 states have call predecessors, (85504), 85504 states have call successors, (85504)