/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain EqDomain -i ../sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 13:12:55,416 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 13:12:55,417 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 13:12:55,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 13:12:55,440 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 13:12:55,441 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 13:12:55,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 13:12:55,443 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 13:12:55,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 13:12:55,445 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 13:12:55,446 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 13:12:55,447 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 13:12:55,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 13:12:55,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 13:12:55,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 13:12:55,450 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 13:12:55,450 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 13:12:55,451 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 13:12:55,452 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 13:12:55,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 13:12:55,455 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 13:12:55,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 13:12:55,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 13:12:55,457 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 13:12:55,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 13:12:55,460 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 13:12:55,460 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 13:12:55,461 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 13:12:55,462 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 13:12:55,462 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 13:12:55,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 13:12:55,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 13:12:55,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 13:12:55,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 13:12:55,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 13:12:55,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 13:12:55,466 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 13:12:55,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 13:12:55,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 13:12:55,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 13:12:55,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 13:12:55,468 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 13:12:55,486 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 13:12:55,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 13:12:55,487 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 13:12:55,487 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 13:12:55,487 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 13:12:55,488 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 13:12:55,488 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 13:12:55,488 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 13:12:55,488 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 13:12:55,488 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 13:12:55,488 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 13:12:55,488 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 13:12:55,488 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 13:12:55,488 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 13:12:55,489 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 13:12:55,489 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 13:12:55,489 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 13:12:55,489 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 13:12:55,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 13:12:55,490 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 13:12:55,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 13:12:55,490 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 13:12:55,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 13:12:55,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 13:12:55,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 13:12:55,490 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 13:12:55,490 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 13:12:55,490 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 13:12:55,490 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 13:12:55,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 13:12:55,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 13:12:55,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 13:12:55,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 13:12:55,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 13:12:55,491 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 13:12:55,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 13:12:55,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 13:12:55,492 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 13:12:55,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 13:12:55,492 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 13:12:55,492 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 13:12:55,492 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 13:12:55,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 13:12:55,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 13:12:55,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 13:12:55,716 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 13:12:55,717 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 13:12:55,718 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i [2023-04-01 13:12:56,996 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 13:12:57,329 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 13:12:57,329 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i [2023-04-01 13:12:57,349 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebf325b2a/2b3dd09cc5f94186b3436367fb5c6ba7/FLAG043857f93 [2023-04-01 13:12:57,370 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebf325b2a/2b3dd09cc5f94186b3436367fb5c6ba7 [2023-04-01 13:12:57,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 13:12:57,374 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 13:12:57,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 13:12:57,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 13:12:57,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 13:12:57,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 01:12:57" (1/1) ... [2023-04-01 13:12:57,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@650499cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:12:57, skipping insertion in model container [2023-04-01 13:12:57,382 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 01:12:57" (1/1) ... [2023-04-01 13:12:57,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 13:12:57,450 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 13:12:58,076 WARN L247 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-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i[71148,71161] [2023-04-01 13:12:58,115 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 13:12:58,133 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 13:12:58,283 WARN L247 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-commit-tester/m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i[71148,71161] [2023-04-01 13:12:58,289 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 13:12:58,309 WARN L667 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 13:12:58,310 WARN L667 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 13:12:58,315 INFO L208 MainTranslator]: Completed translation [2023-04-01 13:12:58,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:12:58 WrapperNode [2023-04-01 13:12:58,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 13:12:58,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 13:12:58,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 13:12:58,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 13:12:58,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:12:58" (1/1) ... [2023-04-01 13:12:58,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:12:58" (1/1) ... [2023-04-01 13:12:58,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:12:58" (1/1) ... [2023-04-01 13:12:58,365 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:12:58" (1/1) ... [2023-04-01 13:12:58,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:12:58" (1/1) ... [2023-04-01 13:12:58,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:12:58" (1/1) ... [2023-04-01 13:12:58,449 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:12:58" (1/1) ... [2023-04-01 13:12:58,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:12:58" (1/1) ... [2023-04-01 13:12:58,498 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 13:12:58,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 13:12:58,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 13:12:58,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 13:12:58,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:12:58" (1/1) ... [2023-04-01 13:12:58,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 13:12:58,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 13:12:58,543 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) [2023-04-01 13:12:58,563 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 [2023-04-01 13:12:58,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 13:12:58,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 13:12:58,584 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 13:12:58,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-04-01 13:12:58,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2023-04-01 13:12:58,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2023-04-01 13:12:58,584 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-04-01 13:12:58,584 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-04-01 13:12:58,584 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-01 13:12:58,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-01 13:12:58,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-01 13:12:58,585 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-01 13:12:58,585 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-04-01 13:12:58,585 INFO L138 BoogieDeclarations]: Found implementation of procedure extract_value [2023-04-01 13:12:58,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_send_message [2023-04-01 13:12:58,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_ver_check [2023-04-01 13:12:58,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_query_sensor_count [2023-04-01 13:12:58,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_query_sensor_name [2023-04-01 13:12:58,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_query_sensor_data [2023-04-01 13:12:58,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_reset_high_low_data [2023-04-01 13:12:58,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_update_device [2023-04-01 13:12:58,586 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bmc_data [2023-04-01 13:12:58,586 INFO L138 BoogieDeclarations]: Found implementation of procedure show_name [2023-04-01 13:12:58,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_show_sensor [2023-04-01 13:12:58,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_reset_high_low [2023-04-01 13:12:58,586 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_sensor [2023-04-01 13:12:58,586 INFO L138 BoogieDeclarations]: Found implementation of procedure is_temp_sensor [2023-04-01 13:12:58,586 INFO L138 BoogieDeclarations]: Found implementation of procedure power_sensor_multiplier [2023-04-01 13:12:58,586 INFO L138 BoogieDeclarations]: Found implementation of procedure create_sensor [2023-04-01 13:12:58,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_find_sensors [2023-04-01 13:12:58,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_register_bmc [2023-04-01 13:12:58,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_bmc_delete [2023-04-01 13:12:58,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_bmc_gone [2023-04-01 13:12:58,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_msg_handler [2023-04-01 13:12:58,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_init [2023-04-01 13:12:58,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmpex_exit [2023-04-01 13:12:58,588 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 13:12:58,588 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-04-01 13:12:58,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_5 [2023-04-01 13:12:58,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_6 [2023-04-01 13:12:58,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_7 [2023-04-01 13:12:58,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-01 13:12:58,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-01 13:12:58,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-01 13:12:58,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-01 13:12:58,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-01 13:12:58,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-01 13:12:58,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_sysfs [2023-04-01 13:12:58,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2023-04-01 13:12:58,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute_2 [2023-04-01 13:12:58,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-01 13:12:58,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-04-01 13:12:58,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-04-01 13:12:58,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-04-01 13:12:58,591 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-04-01 13:12:58,591 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-04-01 13:12:58,591 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-01 13:12:58,592 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-01 13:12:58,592 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-01 13:12:58,592 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-04-01 13:12:58,592 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_register [2023-04-01 13:12:58,592 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2023-04-01 13:12:58,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_create_user [2023-04-01 13:12:58,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_destroy_user [2023-04-01 13:12:58,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2023-04-01 13:12:58,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_request_settime [2023-04-01 13:12:58,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_watcher_register [2023-04-01 13:12:58,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_watcher_unregister [2023-04-01 13:12:58,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_validate_addr [2023-04-01 13:12:58,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-01 13:12:58,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2023-04-01 13:12:58,593 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-04-01 13:12:58,593 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-04-01 13:12:58,593 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-01 13:12:58,594 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-04-01 13:12:58,594 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-01 13:12:58,594 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-01 13:12:58,595 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 13:12:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 13:12:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-01 13:12:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-01 13:12:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 13:12:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 13:12:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-01 13:12:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-04-01 13:12:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2023-04-01 13:12:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 13:12:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2023-04-01 13:12:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-04-01 13:12:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-04-01 13:12:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-04-01 13:12:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-04-01 13:12:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-04-01 13:12:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 13:12:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-04-01 13:12:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-04-01 13:12:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-04-01 13:12:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-04-01 13:12:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-01 13:12:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-04-01 13:12:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-01 13:12:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 13:12:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 13:12:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-04-01 13:12:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-04-01 13:12:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_5 [2023-04-01 13:12:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_6 [2023-04-01 13:12:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_7 [2023-04-01 13:12:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-04-01 13:12:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-01 13:12:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-01 13:12:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-01 13:12:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-04-01 13:12:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_sysfs [2023-04-01 13:12:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute [2023-04-01 13:12:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_dev_attr_of_sensor_device_attribute_2 [2023-04-01 13:12:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-01 13:12:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 13:12:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-01 13:12:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 13:12:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-01 13:12:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 13:12:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-01 13:12:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-01 13:12:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-01 13:12:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-04-01 13:12:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2023-04-01 13:12:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_create_user [2023-04-01 13:12:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_destroy_user [2023-04-01 13:12:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_request_settime [2023-04-01 13:12:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_watcher_register [2023-04-01 13:12:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_watcher_unregister [2023-04-01 13:12:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_validate_addr [2023-04-01 13:12:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_register [2023-04-01 13:12:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2023-04-01 13:12:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure extract_value [2023-04-01 13:12:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_msg_handler [2023-04-01 13:12:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_register_bmc [2023-04-01 13:12:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_bmc_gone [2023-04-01 13:12:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_send_message [2023-04-01 13:12:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_ver_check [2023-04-01 13:12:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_query_sensor_count [2023-04-01 13:12:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_query_sensor_name [2023-04-01 13:12:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_query_sensor_data [2023-04-01 13:12:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_reset_high_low_data [2023-04-01 13:12:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_update_device [2023-04-01 13:12:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure get_bmc_data [2023-04-01 13:12:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure show_name [2023-04-01 13:12:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_show_sensor [2023-04-01 13:12:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_reset_high_low [2023-04-01 13:12:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_sensor [2023-04-01 13:12:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure is_temp_sensor [2023-04-01 13:12:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure power_sensor_multiplier [2023-04-01 13:12:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure create_sensor [2023-04-01 13:12:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 13:12:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_find_sensors [2023-04-01 13:12:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_bmc_delete [2023-04-01 13:12:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-01 13:12:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-01 13:12:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_init [2023-04-01 13:12:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure ibmpex_exit [2023-04-01 13:12:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-01 13:12:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-01 13:12:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2023-04-01 13:12:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 13:12:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-01 13:12:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-01 13:12:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-01 13:12:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-01 13:12:58,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-01 13:12:58,646 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 13:12:58,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 13:12:58,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 13:12:58,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-01 13:12:58,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 13:12:58,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-01 13:12:58,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-01 13:12:58,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-01 13:12:58,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-01 13:12:59,008 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 13:12:59,012 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 13:13:00,092 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 13:13:00,261 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 13:13:00,261 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-01 13:13:00,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 01:13:00 BoogieIcfgContainer [2023-04-01 13:13:00,266 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 13:13:00,271 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 13:13:00,271 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 13:13:00,274 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 13:13:00,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 01:12:57" (1/3) ... [2023-04-01 13:13:00,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556812f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 01:13:00, skipping insertion in model container [2023-04-01 13:13:00,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:12:58" (2/3) ... [2023-04-01 13:13:00,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556812f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 01:13:00, skipping insertion in model container [2023-04-01 13:13:00,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 01:13:00" (3/3) ... [2023-04-01 13:13:00,276 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-hwmon-ibmpex-ko--130_7a--d631323.i [2023-04-01 13:13:00,292 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 13:13:00,293 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 13:13:00,410 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 13:13:00,417 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;@122a2d51, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 13:13:00,417 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 13:13:00,423 INFO L276 IsEmpty]: Start isEmpty. Operand has 425 states, 241 states have (on average 1.2199170124481329) internal successors, (294), 250 states have internal predecessors, (294), 111 states have call successors, (111), 67 states have call predecessors, (111), 67 states have return successors, (111), 108 states have call predecessors, (111), 111 states have call successors, (111) [2023-04-01 13:13:00,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-04-01 13:13:00,454 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 13:13:00,455 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 13:13:00,455 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 13:13:00,459 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 13:13:00,460 INFO L85 PathProgramCache]: Analyzing trace with hash -135056581, now seen corresponding path program 1 times [2023-04-01 13:13:00,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 13:13:00,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792250221] [2023-04-01 13:13:00,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 13:13:00,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 13:13:00,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 13:13:01,355 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-04-01 13:13:01,355 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 13:13:01,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792250221] [2023-04-01 13:13:01,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792250221] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 13:13:01,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 13:13:01,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 13:13:01,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014880887] [2023-04-01 13:13:01,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 13:13:01,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 13:13:01,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 13:13:01,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 13:13:01,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 13:13:01,404 INFO L87 Difference]: Start difference. First operand has 425 states, 241 states have (on average 1.2199170124481329) internal successors, (294), 250 states have internal predecessors, (294), 111 states have call successors, (111), 67 states have call predecessors, (111), 67 states have return successors, (111), 108 states have call predecessors, (111), 111 states have call successors, (111) Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (30), 3 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-01 13:13:01,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 13:13:01,750 INFO L93 Difference]: Finished difference Result 736 states and 911 transitions. [2023-04-01 13:13:01,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 13:13:01,752 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (30), 3 states have call predecessors, (30), 2 states have call successors, (30) Word has length 172 [2023-04-01 13:13:01,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 13:13:01,765 INFO L225 Difference]: With dead ends: 736 [2023-04-01 13:13:01,765 INFO L226 Difference]: Without dead ends: 364 [2023-04-01 13:13:01,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 13:13:01,774 INFO L413 NwaCegarLoop]: 386 mSDtfsCounter, 5 mSDsluCounter, 1147 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1533 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-01 13:13:01,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 1533 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-01 13:13:01,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2023-04-01 13:13:01,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 357. [2023-04-01 13:13:01,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 205 states have (on average 1.2146341463414634) internal successors, (249), 211 states have internal predecessors, (249), 93 states have call successors, (93), 59 states have call predecessors, (93), 58 states have return successors, (91), 88 states have call predecessors, (91), 90 states have call successors, (91) [2023-04-01 13:13:01,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 433 transitions. [2023-04-01 13:13:01,836 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 433 transitions. Word has length 172 [2023-04-01 13:13:01,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 13:13:01,837 INFO L495 AbstractCegarLoop]: Abstraction has 357 states and 433 transitions. [2023-04-01 13:13:01,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (30), 3 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-01 13:13:01,838 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 433 transitions. [2023-04-01 13:13:01,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-04-01 13:13:01,845 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 13:13:01,845 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 13:13:01,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 13:13:01,846 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 13:13:01,846 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 13:13:01,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1438623193, now seen corresponding path program 1 times [2023-04-01 13:13:01,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 13:13:01,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151122164] [2023-04-01 13:13:01,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 13:13:01,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 13:13:02,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 13:13:03,343 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-04-01 13:13:03,343 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 13:13:03,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151122164] [2023-04-01 13:13:03,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151122164] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 13:13:03,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 13:13:03,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 13:13:03,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757421889] [2023-04-01 13:13:03,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 13:13:03,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-01 13:13:03,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 13:13:03,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-01 13:13:03,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-01 13:13:03,346 INFO L87 Difference]: Start difference. First operand 357 states and 433 transitions. Second operand has 7 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 4 states have call successors, (41), 5 states have call predecessors, (41), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-04-01 13:13:06,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 13:13:06,153 INFO L93 Difference]: Finished difference Result 1380 states and 1793 transitions. [2023-04-01 13:13:06,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-04-01 13:13:06,153 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 4 states have call successors, (41), 5 states have call predecessors, (41), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 192 [2023-04-01 13:13:06,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 13:13:06,173 INFO L225 Difference]: With dead ends: 1380 [2023-04-01 13:13:06,174 INFO L226 Difference]: Without dead ends: 1376 [2023-04-01 13:13:06,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2023-04-01 13:13:06,181 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 1509 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 1735 mSolverCounterSat, 822 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1630 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 2557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 822 IncrementalHoareTripleChecker+Valid, 1735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-04-01 13:13:06,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1630 Valid, 765 Invalid, 2557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [822 Valid, 1735 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-04-01 13:13:06,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1376 states. [2023-04-01 13:13:06,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1376 to 1243. [2023-04-01 13:13:06,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1243 states, 743 states have (on average 1.2355316285329745) internal successors, (918), 766 states have internal predecessors, (918), 318 states have call successors, (318), 165 states have call predecessors, (318), 181 states have return successors, (355), 317 states have call predecessors, (355), 315 states have call successors, (355) [2023-04-01 13:13:06,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 1243 states and 1591 transitions. [2023-04-01 13:13:06,356 INFO L78 Accepts]: Start accepts. Automaton has 1243 states and 1591 transitions. Word has length 192 [2023-04-01 13:13:06,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 13:13:06,359 INFO L495 AbstractCegarLoop]: Abstraction has 1243 states and 1591 transitions. [2023-04-01 13:13:06,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.166666666666666) internal successors, (85), 6 states have internal predecessors, (85), 4 states have call successors, (41), 5 states have call predecessors, (41), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-04-01 13:13:06,360 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 1591 transitions. [2023-04-01 13:13:06,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-04-01 13:13:06,369 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 13:13:06,370 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 13:13:06,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 13:13:06,371 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 13:13:06,371 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 13:13:06,371 INFO L85 PathProgramCache]: Analyzing trace with hash 47158312, now seen corresponding path program 1 times [2023-04-01 13:13:06,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 13:13:06,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67088782] [2023-04-01 13:13:06,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 13:13:06,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 13:13:06,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 13:13:06,804 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-04-01 13:13:06,804 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 13:13:06,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67088782] [2023-04-01 13:13:06,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67088782] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 13:13:06,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 13:13:06,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 13:13:06,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971658598] [2023-04-01 13:13:06,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 13:13:06,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 13:13:06,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 13:13:06,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 13:13:06,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 13:13:06,807 INFO L87 Difference]: Start difference. First operand 1243 states and 1591 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (43), 3 states have call predecessors, (43), 2 states have return successors, (37), 2 states have call predecessors, (37), 1 states have call successors, (37) [2023-04-01 13:13:07,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 13:13:07,096 INFO L93 Difference]: Finished difference Result 2469 states and 3192 transitions. [2023-04-01 13:13:07,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 13:13:07,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (43), 3 states have call predecessors, (43), 2 states have return successors, (37), 2 states have call predecessors, (37), 1 states have call successors, (37) Word has length 204 [2023-04-01 13:13:07,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 13:13:07,108 INFO L225 Difference]: With dead ends: 2469 [2023-04-01 13:13:07,108 INFO L226 Difference]: Without dead ends: 2052 [2023-04-01 13:13:07,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 13:13:07,113 INFO L413 NwaCegarLoop]: 694 mSDtfsCounter, 400 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 1058 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 13:13:07,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 1058 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 13:13:07,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2052 states. [2023-04-01 13:13:07,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2052 to 2004. [2023-04-01 13:13:07,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2004 states, 1195 states have (on average 1.2309623430962342) internal successors, (1471), 1230 states have internal predecessors, (1471), 514 states have call successors, (514), 271 states have call predecessors, (514), 294 states have return successors, (576), 512 states have call predecessors, (576), 511 states have call successors, (576) [2023-04-01 13:13:07,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2004 states to 2004 states and 2561 transitions. [2023-04-01 13:13:07,278 INFO L78 Accepts]: Start accepts. Automaton has 2004 states and 2561 transitions. Word has length 204 [2023-04-01 13:13:07,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 13:13:07,279 INFO L495 AbstractCegarLoop]: Abstraction has 2004 states and 2561 transitions. [2023-04-01 13:13:07,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (43), 3 states have call predecessors, (43), 2 states have return successors, (37), 2 states have call predecessors, (37), 1 states have call successors, (37) [2023-04-01 13:13:07,279 INFO L276 IsEmpty]: Start isEmpty. Operand 2004 states and 2561 transitions. [2023-04-01 13:13:07,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2023-04-01 13:13:07,284 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 13:13:07,284 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 13:13:07,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 13:13:07,285 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 13:13:07,285 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 13:13:07,285 INFO L85 PathProgramCache]: Analyzing trace with hash -762508706, now seen corresponding path program 1 times [2023-04-01 13:13:07,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 13:13:07,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038911489] [2023-04-01 13:13:07,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 13:13:07,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 13:13:07,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 13:13:07,729 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-04-01 13:13:07,730 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 13:13:07,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038911489] [2023-04-01 13:13:07,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038911489] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 13:13:07,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1022256184] [2023-04-01 13:13:07,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 13:13:07,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 13:13:07,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 13:13:07,737 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 13:13:07,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 13:13:08,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 13:13:08,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 2375 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-01 13:13:08,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 13:13:08,470 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-04-01 13:13:08,470 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 13:13:08,807 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-04-01 13:13:08,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1022256184] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 13:13:08,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [637300123] [2023-04-01 13:13:08,885 INFO L159 IcfgInterpreter]: Started Sifa with 204 locations of interest [2023-04-01 13:13:08,886 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 13:13:08,890 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 13:13:08,894 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 13:13:08,894 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-01 13:13:21,300 WARN L223 SmtUtils]: Spent 9.38s on a formula simplification. DAG size of input: 989 DAG size of output: 989 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 13:13:30,080 WARN L223 SmtUtils]: Spent 8.77s on a formula simplification. DAG size of input: 989 DAG size of output: 989 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 13:13:32,383 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 70 for LOIs [2023-04-01 13:13:32,798 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 1009 for LOIs [2023-04-01 13:13:48,830 WARN L223 SmtUtils]: Spent 8.84s on a formula simplification. DAG size of input: 1085 DAG size of output: 1085 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-01 13:13:57,605 WARN L223 SmtUtils]: Spent 8.77s on a formula simplification. DAG size of input: 1085 DAG size of output: 1085 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm)