/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 OctagonDomain -i ../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 07:27:39,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 07:27:39,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 07:27:39,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 07:27:39,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 07:27:39,065 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 07:27:39,068 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 07:27:39,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 07:27:39,071 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 07:27:39,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 07:27:39,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 07:27:39,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 07:27:39,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 07:27:39,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 07:27:39,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 07:27:39,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 07:27:39,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 07:27:39,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 07:27:39,086 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 07:27:39,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 07:27:39,090 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 07:27:39,091 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 07:27:39,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 07:27:39,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 07:27:39,099 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 07:27:39,099 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 07:27:39,099 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 07:27:39,101 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 07:27:39,101 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 07:27:39,102 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 07:27:39,102 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 07:27:39,102 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 07:27:39,103 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 07:27:39,104 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 07:27:39,105 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 07:27:39,105 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 07:27:39,105 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 07:27:39,105 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 07:27:39,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 07:27:39,106 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 07:27:39,106 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 07:27:39,107 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 07:27:39,129 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 07:27:39,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 07:27:39,130 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 07:27:39,130 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 07:27:39,130 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 07:27:39,130 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 07:27:39,130 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 07:27:39,131 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 07:27:39,131 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 07:27:39,131 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 07:27:39,131 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 07:27:39,132 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 07:27:39,132 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 07:27:39,132 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 07:27:39,132 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 07:27:39,132 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 07:27:39,132 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 07:27:39,132 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 07:27:39,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 07:27:39,133 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 07:27:39,133 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 07:27:39,133 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 07:27:39,133 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 07:27:39,133 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 07:27:39,133 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 07:27:39,133 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 07:27:39,133 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 07:27:39,133 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 07:27:39,134 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 07:27:39,134 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 07:27:39,134 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 07:27:39,134 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 07:27:39,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 07:27:39,134 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 07:27:39,134 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 07:27:39,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 07:27:39,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 07:27:39,135 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 07:27:39,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 07:27:39,135 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 07:27:39,135 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 07:27:39,135 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 07:27:39,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 07:27:39,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 07:27:39,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 07:27:39,304 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 07:27:39,306 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 07:27:39,307 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i [2023-04-01 07:27:40,222 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 07:27:40,543 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 07:27:40,544 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i [2023-04-01 07:27:40,564 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f887f3b35/c00276dc5aa44d8fa6c07c4036d5bc67/FLAG1b63703f0 [2023-04-01 07:27:40,840 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f887f3b35/c00276dc5aa44d8fa6c07c4036d5bc67 [2023-04-01 07:27:40,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 07:27:40,843 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 07:27:40,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 07:27:40,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 07:27:40,847 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 07:27:40,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 07:27:40" (1/1) ... [2023-04-01 07:27:40,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@209cf35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:27:40, skipping insertion in model container [2023-04-01 07:27:40,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 07:27:40" (1/1) ... [2023-04-01 07:27:40,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 07:27:40,916 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 07:27:41,595 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-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i[120657,120670] [2023-04-01 07:27:41,620 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 07:27:41,644 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 07:27:41,800 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-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i[120657,120670] [2023-04-01 07:27:41,812 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 07:27:41,841 WARN L667 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 07:27:41,841 WARN L667 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 07:27:41,845 INFO L208 MainTranslator]: Completed translation [2023-04-01 07:27:41,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:27:41 WrapperNode [2023-04-01 07:27:41,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 07:27:41,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 07:27:41,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 07:27:41,846 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 07:27:41,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:27:41" (1/1) ... [2023-04-01 07:27:41,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:27:41" (1/1) ... [2023-04-01 07:27:41,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:27:41" (1/1) ... [2023-04-01 07:27:41,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:27:41" (1/1) ... [2023-04-01 07:27:41,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:27:41" (1/1) ... [2023-04-01 07:27:41,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:27:41" (1/1) ... [2023-04-01 07:27:41,985 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:27:41" (1/1) ... [2023-04-01 07:27:42,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:27:41" (1/1) ... [2023-04-01 07:27:42,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 07:27:42,020 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 07:27:42,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 07:27:42,022 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 07:27:42,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:27:41" (1/1) ... [2023-04-01 07:27:42,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 07:27:42,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 07:27:42,044 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 07:27:42,068 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 07:27:42,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 07:27:42,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 07:27:42,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-04-01 07:27:42,083 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 07:27:42,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2023-04-01 07:27:42,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab64 [2023-04-01 07:27:42,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-04-01 07:27:42,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-04-01 07:27:42,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2023-04-01 07:27:42,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2023-04-01 07:27:42,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32p [2023-04-01 07:27:42,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab64p [2023-04-01 07:27:42,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __be64_to_cpup [2023-04-01 07:27:42,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2023-04-01 07:27:42,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2023-04-01 07:27:42,085 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2023-04-01 07:27:42,085 INFO L138 BoogieDeclarations]: Found implementation of procedure div64_u64 [2023-04-01 07:27:42,085 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-04-01 07:27:42,085 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-04-01 07:27:42,085 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-04-01 07:27:42,085 INFO L138 BoogieDeclarations]: Found implementation of procedure timespec_to_ns [2023-04-01 07:27:42,085 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-04-01 07:27:42,085 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-01 07:27:42,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-01 07:27:42,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-01 07:27:42,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-04-01 07:27:42,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-04-01 07:27:42,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-01 07:27:42,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-01 07:27:42,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-01 07:27:42,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-01 07:27:42,085 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_init_ipmi_data [2023-04-01 07:27:42,086 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_send_message [2023-04-01 07:27:42,086 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_msg_handler [2023-04-01 07:27:42,086 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_idr_get [2023-04-01 07:27:42,086 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_idr_put [2023-04-01 07:27:42,086 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_read_sensor [2023-04-01 07:27:42,086 INFO L138 BoogieDeclarations]: Found implementation of procedure update_aem_energy_one [2023-04-01 07:27:42,086 INFO L138 BoogieDeclarations]: Found implementation of procedure update_aem_energy [2023-04-01 07:27:42,086 INFO L138 BoogieDeclarations]: Found implementation of procedure update_aem1_sensors [2023-04-01 07:27:42,087 INFO L138 BoogieDeclarations]: Found implementation of procedure update_aem2_sensors [2023-04-01 07:27:42,087 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_delete [2023-04-01 07:27:42,087 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_find_aem1_count [2023-04-01 07:27:42,087 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_init_aem1_inst [2023-04-01 07:27:42,087 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_init_aem1 [2023-04-01 07:27:42,087 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_find_aem2 [2023-04-01 07:27:42,088 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_init_aem2_inst [2023-04-01 07:27:42,088 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_init_aem2 [2023-04-01 07:27:42,088 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_register_bmc [2023-04-01 07:27:42,088 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_bmc_gone [2023-04-01 07:27:42,088 INFO L138 BoogieDeclarations]: Found implementation of procedure show_name [2023-04-01 07:27:42,088 INFO L138 BoogieDeclarations]: Found implementation of procedure show_version [2023-04-01 07:27:42,088 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_show_power [2023-04-01 07:27:42,088 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_show_energy [2023-04-01 07:27:42,089 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_show_power_period [2023-04-01 07:27:42,089 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_set_power_period [2023-04-01 07:27:42,089 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_register_sensors [2023-04-01 07:27:42,089 INFO L138 BoogieDeclarations]: Found implementation of procedure aem2_show_temp [2023-04-01 07:27:42,089 INFO L138 BoogieDeclarations]: Found implementation of procedure aem2_show_pcap_value [2023-04-01 07:27:42,089 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_remove_sensors [2023-04-01 07:27:42,089 INFO L138 BoogieDeclarations]: Found implementation of procedure aem1_find_sensors [2023-04-01 07:27:42,089 INFO L138 BoogieDeclarations]: Found implementation of procedure aem2_find_sensors [2023-04-01 07:27:42,089 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_init [2023-04-01 07:27:42,089 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_exit [2023-04-01 07:27:42,089 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 07:27:42,089 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-04-01 07:27:42,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_6 [2023-04-01 07:27:42,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_9 [2023-04-01 07:27:42,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_10 [2023-04-01 07:27:42,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_11 [2023-04-01 07:27:42,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_12 [2023-04-01 07:27:42,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-01 07:27:42,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2023-04-01 07:27:42,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-04-01 07:27:42,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-04-01 07:27:42,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-04-01 07:27:42,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-04-01 07:27:42,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_sysfs [2023-04-01 07:27:42,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file [2023-04-01 07:27:42,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-01 07:27:42,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-04-01 07:27:42,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-04-01 07:27:42,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-04-01 07:27:42,091 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-04-01 07:27:42,091 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2023-04-01 07:27:42,091 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2023-04-01 07:27:42,091 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-04-01 07:27:42,091 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-04-01 07:27:42,091 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-04-01 07:27:42,091 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-04-01 07:27:42,091 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2023-04-01 07:27:42,091 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_register [2023-04-01 07:27:42,092 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2023-04-01 07:27:42,092 INFO L138 BoogieDeclarations]: Found implementation of procedure getnstimeofday [2023-04-01 07:27:42,092 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_register [2023-04-01 07:27:42,092 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2023-04-01 07:27:42,092 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_get_new [2023-04-01 07:27:42,092 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_pre_get [2023-04-01 07:27:42,092 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2023-04-01 07:27:42,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_create_user [2023-04-01 07:27:42,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_destroy_user [2023-04-01 07:27:42,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2023-04-01 07:27:42,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_request_settime [2023-04-01 07:27:42,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_watcher_register [2023-04-01 07:27:42,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_watcher_unregister [2023-04-01 07:27:42,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_validate_addr [2023-04-01 07:27:42,093 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoull [2023-04-01 07:27:42,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-01 07:27:42,093 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-04-01 07:27:42,093 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-04-01 07:27:42,093 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-04-01 07:27:42,093 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-01 07:27:42,093 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add [2023-04-01 07:27:42,093 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_alloc [2023-04-01 07:27:42,093 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2023-04-01 07:27:42,093 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-01 07:27:42,093 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2023-04-01 07:27:42,094 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2023-04-01 07:27:42,094 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-01 07:27:42,094 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-01 07:27:42,096 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-01 07:27:42,097 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-01 07:27:42,100 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 07:27:42,101 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 07:27:42,101 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-01 07:27:42,101 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-01 07:27:42,101 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 07:27:42,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 07:27:42,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-01 07:27:42,101 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2023-04-01 07:27:42,101 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab64 [2023-04-01 07:27:42,101 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-04-01 07:27:42,101 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-04-01 07:27:42,101 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2023-04-01 07:27:42,101 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2023-04-01 07:27:42,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 07:27:42,101 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32p [2023-04-01 07:27:42,101 INFO L130 BoogieDeclarations]: Found specification of procedure __swab64p [2023-04-01 07:27:42,101 INFO L130 BoogieDeclarations]: Found specification of procedure __be64_to_cpup [2023-04-01 07:27:42,102 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2023-04-01 07:27:42,102 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2023-04-01 07:27:42,102 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-01 07:27:42,102 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoull [2023-04-01 07:27:42,102 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2023-04-01 07:27:42,102 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-04-01 07:27:42,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-04-01 07:27:42,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-01 07:27:42,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-01 07:27:42,102 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-01 07:27:42,102 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-04-01 07:27:42,102 INFO L130 BoogieDeclarations]: Found specification of procedure div64_u64 [2023-04-01 07:27:42,102 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-04-01 07:27:42,103 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-04-01 07:27:42,103 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-04-01 07:27:42,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 07:27:42,103 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-04-01 07:27:42,103 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-04-01 07:27:42,103 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-04-01 07:27:42,103 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-04-01 07:27:42,103 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-04-01 07:27:42,103 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-04-01 07:27:42,103 INFO L130 BoogieDeclarations]: Found specification of procedure getnstimeofday [2023-04-01 07:27:42,103 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_to_ns [2023-04-01 07:27:42,103 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-04-01 07:27:42,103 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-04-01 07:27:42,103 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-01 07:27:42,103 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-04-01 07:27:42,103 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-04-01 07:27:42,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-01 07:27:42,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 07:27:42,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 07:27:42,104 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2023-04-01 07:27:42,104 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-04-01 07:27:42,104 INFO L130 BoogieDeclarations]: Found specification of procedure driver_register [2023-04-01 07:27:42,104 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2023-04-01 07:27:42,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_9 [2023-04-01 07:27:42,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_10 [2023-04-01 07:27:42,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_11 [2023-04-01 07:27:42,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_12 [2023-04-01 07:27:42,104 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2023-04-01 07:27:42,104 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-04-01 07:27:42,104 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-04-01 07:27:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-04-01 07:27:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-04-01 07:27:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file [2023-04-01 07:27:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-01 07:27:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_6 [2023-04-01 07:27:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 07:27:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-01 07:27:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 07:27:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-01 07:27:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-01 07:27:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 07:27:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-01 07:27:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-04-01 07:27:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-04-01 07:27:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-01 07:27:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-01 07:27:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-01 07:27:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-01 07:27:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2023-04-01 07:27:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_create_user [2023-04-01 07:27:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_destroy_user [2023-04-01 07:27:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_request_settime [2023-04-01 07:27:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_watcher_register [2023-04-01 07:27:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_watcher_unregister [2023-04-01 07:27:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_validate_addr [2023-04-01 07:27:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_register [2023-04-01 07:27:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2023-04-01 07:27:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure idr_pre_get [2023-04-01 07:27:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure idr_get_new [2023-04-01 07:27:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2023-04-01 07:27:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2023-04-01 07:27:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2023-04-01 07:27:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_alloc [2023-04-01 07:27:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add [2023-04-01 07:27:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure aem_register_bmc [2023-04-01 07:27:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure aem_bmc_gone [2023-04-01 07:27:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure aem_msg_handler [2023-04-01 07:27:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure aem_remove_sensors [2023-04-01 07:27:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure aem_init_aem1 [2023-04-01 07:27:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure aem_init_aem2 [2023-04-01 07:27:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure aem1_find_sensors [2023-04-01 07:27:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure aem2_find_sensors [2023-04-01 07:27:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure update_aem1_sensors [2023-04-01 07:27:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure update_aem2_sensors [2023-04-01 07:27:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure aem_init_ipmi_data [2023-04-01 07:27:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 07:27:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure aem_send_message [2023-04-01 07:27:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-01 07:27:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-01 07:27:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure aem_idr_get [2023-04-01 07:27:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure aem_idr_put [2023-04-01 07:27:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure aem_read_sensor [2023-04-01 07:27:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure update_aem_energy_one [2023-04-01 07:27:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure update_aem_energy [2023-04-01 07:27:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure aem_delete [2023-04-01 07:27:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure aem_find_aem1_count [2023-04-01 07:27:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure aem_init_aem1_inst [2023-04-01 07:27:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure aem_find_aem2 [2023-04-01 07:27:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure aem_init_aem2_inst [2023-04-01 07:27:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure show_name [2023-04-01 07:27:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure show_version [2023-04-01 07:27:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure aem_show_power [2023-04-01 07:27:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure aem_show_energy [2023-04-01 07:27:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure aem_show_power_period [2023-04-01 07:27:42,108 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-04-01 07:27:42,110 INFO L130 BoogieDeclarations]: Found specification of procedure aem_set_power_period [2023-04-01 07:27:42,110 INFO L130 BoogieDeclarations]: Found specification of procedure aem_register_sensors [2023-04-01 07:27:42,111 INFO L130 BoogieDeclarations]: Found specification of procedure aem2_show_temp [2023-04-01 07:27:42,111 INFO L130 BoogieDeclarations]: Found specification of procedure aem2_show_pcap_value [2023-04-01 07:27:42,111 INFO L130 BoogieDeclarations]: Found specification of procedure aem_init [2023-04-01 07:27:42,111 INFO L130 BoogieDeclarations]: Found specification of procedure aem_exit [2023-04-01 07:27:42,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-01 07:27:42,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-01 07:27:42,111 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 07:27:42,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-01 07:27:42,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2023-04-01 07:27:42,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-04-01 07:27:42,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-04-01 07:27:42,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-04-01 07:27:42,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_sysfs [2023-04-01 07:27:42,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-04-01 07:27:42,112 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 07:27:42,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 07:27:42,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 07:27:42,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-01 07:27:42,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 07:27:42,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-01 07:27:42,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-01 07:27:42,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-01 07:27:42,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-01 07:27:42,472 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 07:27:42,475 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 07:27:42,644 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-01 07:27:45,079 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 07:27:45,226 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 07:27:45,226 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-04-01 07:27:45,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 07:27:45 BoogieIcfgContainer [2023-04-01 07:27:45,229 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 07:27:45,230 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 07:27:45,230 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 07:27:45,232 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 07:27:45,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 07:27:40" (1/3) ... [2023-04-01 07:27:45,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a7192f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 07:27:45, skipping insertion in model container [2023-04-01 07:27:45,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 07:27:41" (2/3) ... [2023-04-01 07:27:45,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a7192f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 07:27:45, skipping insertion in model container [2023-04-01 07:27:45,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 07:27:45" (3/3) ... [2023-04-01 07:27:45,234 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i [2023-04-01 07:27:45,245 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 07:27:45,246 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 07:27:45,285 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 07:27:45,289 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;@6aef8fbb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 07:27:45,289 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 07:27:45,295 INFO L276 IsEmpty]: Start isEmpty. Operand has 762 states, 435 states have (on average 1.2206896551724138) internal successors, (531), 448 states have internal predecessors, (531), 210 states have call successors, (210), 109 states have call predecessors, (210), 108 states have return successors, (204), 202 states have call predecessors, (204), 204 states have call successors, (204) [2023-04-01 07:27:45,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2023-04-01 07:27:45,312 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:27:45,313 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 1, 1, 1, 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 07:27:45,313 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:27:45,317 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:27:45,317 INFO L85 PathProgramCache]: Analyzing trace with hash -664177683, now seen corresponding path program 1 times [2023-04-01 07:27:45,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:27:45,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910724585] [2023-04-01 07:27:45,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:27:45,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:27:45,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:27:46,005 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 387 trivial. 0 not checked. [2023-04-01 07:27:46,006 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:27:46,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910724585] [2023-04-01 07:27:46,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910724585] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:27:46,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:27:46,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 07:27:46,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262239791] [2023-04-01 07:27:46,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:27:46,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 07:27:46,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:27:46,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 07:27:46,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 07:27:46,034 INFO L87 Difference]: Start difference. First operand has 762 states, 435 states have (on average 1.2206896551724138) internal successors, (531), 448 states have internal predecessors, (531), 210 states have call successors, (210), 109 states have call predecessors, (210), 108 states have return successors, (204), 202 states have call predecessors, (204), 204 states have call successors, (204) Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2023-04-01 07:27:46,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:27:46,360 INFO L93 Difference]: Finished difference Result 1270 states and 1597 transitions. [2023-04-01 07:27:46,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 07:27:46,362 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 297 [2023-04-01 07:27:46,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:27:46,373 INFO L225 Difference]: With dead ends: 1270 [2023-04-01 07:27:46,373 INFO L226 Difference]: Without dead ends: 627 [2023-04-01 07:27:46,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 07:27:46,381 INFO L413 NwaCegarLoop]: 656 mSDtfsCounter, 245 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 1235 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-01 07:27:46,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 1235 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-01 07:27:46,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2023-04-01 07:27:46,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 604. [2023-04-01 07:27:46,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 604 states, 362 states have (on average 1.229281767955801) internal successors, (445), 364 states have internal predecessors, (445), 156 states have call successors, (156), 87 states have call predecessors, (156), 85 states have return successors, (154), 153 states have call predecessors, (154), 154 states have call successors, (154) [2023-04-01 07:27:46,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 755 transitions. [2023-04-01 07:27:46,440 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 755 transitions. Word has length 297 [2023-04-01 07:27:46,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:27:46,440 INFO L495 AbstractCegarLoop]: Abstraction has 604 states and 755 transitions. [2023-04-01 07:27:46,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2023-04-01 07:27:46,441 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 755 transitions. [2023-04-01 07:27:46,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2023-04-01 07:27:46,445 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:27:46,445 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:27:46,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 07:27:46,446 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:27:46,446 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:27:46,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1240057326, now seen corresponding path program 1 times [2023-04-01 07:27:46,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:27:46,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796269559] [2023-04-01 07:27:46,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:27:46,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:27:46,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:27:46,914 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2023-04-01 07:27:46,915 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:27:46,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796269559] [2023-04-01 07:27:46,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796269559] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:27:46,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:27:46,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 07:27:46,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706140458] [2023-04-01 07:27:46,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:27:46,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 07:27:46,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:27:46,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 07:27:46,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 07:27:46,921 INFO L87 Difference]: Start difference. First operand 604 states and 755 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-04-01 07:27:47,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:27:47,149 INFO L93 Difference]: Finished difference Result 1164 states and 1459 transitions. [2023-04-01 07:27:47,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 07:27:47,150 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 319 [2023-04-01 07:27:47,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:27:47,156 INFO L225 Difference]: With dead ends: 1164 [2023-04-01 07:27:47,156 INFO L226 Difference]: Without dead ends: 605 [2023-04-01 07:27:47,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 07:27:47,161 INFO L413 NwaCegarLoop]: 605 mSDtfsCounter, 0 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1207 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-01 07:27:47,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1207 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-01 07:27:47,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2023-04-01 07:27:47,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 605. [2023-04-01 07:27:47,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 605 states, 363 states have (on average 1.2286501377410468) internal successors, (446), 365 states have internal predecessors, (446), 156 states have call successors, (156), 87 states have call predecessors, (156), 85 states have return successors, (154), 153 states have call predecessors, (154), 154 states have call successors, (154) [2023-04-01 07:27:47,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 756 transitions. [2023-04-01 07:27:47,194 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 756 transitions. Word has length 319 [2023-04-01 07:27:47,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:27:47,194 INFO L495 AbstractCegarLoop]: Abstraction has 605 states and 756 transitions. [2023-04-01 07:27:47,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2023-04-01 07:27:47,195 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 756 transitions. [2023-04-01 07:27:47,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2023-04-01 07:27:47,199 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:27:47,199 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:27:47,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 07:27:47,199 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:27:47,201 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:27:47,201 INFO L85 PathProgramCache]: Analyzing trace with hash 2058960051, now seen corresponding path program 1 times [2023-04-01 07:27:47,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:27:47,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905489433] [2023-04-01 07:27:47,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:27:47,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:27:47,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:27:48,663 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 391 trivial. 0 not checked. [2023-04-01 07:27:48,663 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:27:48,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905489433] [2023-04-01 07:27:48,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905489433] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:27:48,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:27:48,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 07:27:48,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143224594] [2023-04-01 07:27:48,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:27:48,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-01 07:27:48,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:27:48,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-01 07:27:48,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-04-01 07:27:48,667 INFO L87 Difference]: Start difference. First operand 605 states and 756 transitions. Second operand has 7 states, 6 states have (on average 20.833333333333332) internal successors, (125), 6 states have internal predecessors, (125), 4 states have call successors, (53), 5 states have call predecessors, (53), 3 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2023-04-01 07:27:54,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:27:54,970 INFO L93 Difference]: Finished difference Result 2445 states and 3087 transitions. [2023-04-01 07:27:54,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-01 07:27:54,970 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 20.833333333333332) internal successors, (125), 6 states have internal predecessors, (125), 4 states have call successors, (53), 5 states have call predecessors, (53), 3 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 320 [2023-04-01 07:27:54,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:27:54,980 INFO L225 Difference]: With dead ends: 2445 [2023-04-01 07:27:54,980 INFO L226 Difference]: Without dead ends: 2442 [2023-04-01 07:27:54,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 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 07:27:54,982 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 3509 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 3057 mSolverCounterSat, 2339 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3642 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 5396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2339 IncrementalHoareTripleChecker+Valid, 3057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2023-04-01 07:27:54,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3642 Valid, 376 Invalid, 5396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2339 Valid, 3057 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2023-04-01 07:27:54,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2442 states. [2023-04-01 07:27:55,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2442 to 1881. [2023-04-01 07:27:55,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1881 states, 1116 states have (on average 1.2123655913978495) internal successors, (1353), 1122 states have internal predecessors, (1353), 488 states have call successors, (488), 275 states have call predecessors, (488), 276 states have return successors, (526), 485 states have call predecessors, (526), 486 states have call successors, (526) [2023-04-01 07:27:55,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1881 states and 2367 transitions. [2023-04-01 07:27:55,130 INFO L78 Accepts]: Start accepts. Automaton has 1881 states and 2367 transitions. Word has length 320 [2023-04-01 07:27:55,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:27:55,134 INFO L495 AbstractCegarLoop]: Abstraction has 1881 states and 2367 transitions. [2023-04-01 07:27:55,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 20.833333333333332) internal successors, (125), 6 states have internal predecessors, (125), 4 states have call successors, (53), 5 states have call predecessors, (53), 3 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2023-04-01 07:27:55,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 2367 transitions. [2023-04-01 07:27:55,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2023-04-01 07:27:55,139 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:27:55,139 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:27:55,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 07:27:55,139 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:27:55,145 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:27:55,145 INFO L85 PathProgramCache]: Analyzing trace with hash -963872879, now seen corresponding path program 1 times [2023-04-01 07:27:55,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:27:55,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621421654] [2023-04-01 07:27:55,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:27:55,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:27:55,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:27:55,548 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2023-04-01 07:27:55,548 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:27:55,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621421654] [2023-04-01 07:27:55,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621421654] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 07:27:55,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 07:27:55,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 07:27:55,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452375101] [2023-04-01 07:27:55,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 07:27:55,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 07:27:55,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 07:27:55,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 07:27:55,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 07:27:55,550 INFO L87 Difference]: Start difference. First operand 1881 states and 2367 transitions. Second operand has 5 states, 5 states have (on average 27.0) internal successors, (135), 4 states have internal predecessors, (135), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (47), 3 states have call predecessors, (47), 2 states have call successors, (47) [2023-04-01 07:27:55,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 07:27:55,956 INFO L93 Difference]: Finished difference Result 3747 states and 4735 transitions. [2023-04-01 07:27:55,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-04-01 07:27:55,956 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 4 states have internal predecessors, (135), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (47), 3 states have call predecessors, (47), 2 states have call successors, (47) Word has length 339 [2023-04-01 07:27:55,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 07:27:55,969 INFO L225 Difference]: With dead ends: 3747 [2023-04-01 07:27:55,969 INFO L226 Difference]: Without dead ends: 1913 [2023-04-01 07:27:55,977 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 07:27:55,980 INFO L413 NwaCegarLoop]: 605 mSDtfsCounter, 3 mSDsluCounter, 1809 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2414 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 07:27:55,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 2414 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 07:27:55,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1913 states. [2023-04-01 07:27:56,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1913 to 1905. [2023-04-01 07:27:56,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1905 states, 1132 states have (on average 1.209363957597173) internal successors, (1369), 1140 states have internal predecessors, (1369), 490 states have call successors, (490), 275 states have call predecessors, (490), 282 states have return successors, (538), 491 states have call predecessors, (538), 488 states have call successors, (538) [2023-04-01 07:27:56,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1905 states to 1905 states and 2397 transitions. [2023-04-01 07:27:56,083 INFO L78 Accepts]: Start accepts. Automaton has 1905 states and 2397 transitions. Word has length 339 [2023-04-01 07:27:56,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 07:27:56,083 INFO L495 AbstractCegarLoop]: Abstraction has 1905 states and 2397 transitions. [2023-04-01 07:27:56,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 4 states have internal predecessors, (135), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (47), 3 states have call predecessors, (47), 2 states have call successors, (47) [2023-04-01 07:27:56,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1905 states and 2397 transitions. [2023-04-01 07:27:56,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2023-04-01 07:27:56,088 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 07:27:56,088 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:27:56,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 07:27:56,088 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 07:27:56,088 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 07:27:56,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1302005288, now seen corresponding path program 1 times [2023-04-01 07:27:56,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 07:27:56,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72164384] [2023-04-01 07:27:56,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:27:56,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 07:27:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:27:57,850 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2023-04-01 07:27:57,850 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 07:27:57,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72164384] [2023-04-01 07:27:57,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72164384] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 07:27:57,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302992780] [2023-04-01 07:27:57,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 07:27:57,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 07:27:57,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 07:27:57,853 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 07:27:57,857 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 07:27:58,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 07:27:58,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 3623 conjuncts, 30 conjunts are in the unsatisfiable core [2023-04-01 07:27:58,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 07:27:59,727 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2023-04-01 07:27:59,727 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 07:28:00,353 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2023-04-01 07:28:00,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1302992780] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 07:28:00,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1129515825] [2023-04-01 07:28:00,374 INFO L159 IcfgInterpreter]: Started Sifa with 240 locations of interest [2023-04-01 07:28:00,374 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 07:28:00,381 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 07:28:00,385 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 07:28:00,385 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-01 07:28:05,882 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 100 for LOIs [2023-04-01 07:28:07,929 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 113 for LOIs [2023-04-01 07:28:32,520 WARN L223 SmtUtils]: Spent 20.91s on a formula simplification. DAG size of input: 7058 DAG size of output: 316 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm)