java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/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 0.1.24-36ac518-m [2019-10-07 13:01:01,452 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 13:01:01,455 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 13:01:01,475 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 13:01:01,475 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 13:01:01,477 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 13:01:01,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 13:01:01,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 13:01:01,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 13:01:01,496 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 13:01:01,497 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 13:01:01,498 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 13:01:01,498 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 13:01:01,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 13:01:01,500 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 13:01:01,501 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 13:01:01,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 13:01:01,502 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 13:01:01,504 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 13:01:01,506 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 13:01:01,507 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 13:01:01,508 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 13:01:01,509 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 13:01:01,510 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 13:01:01,512 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 13:01:01,512 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 13:01:01,512 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 13:01:01,513 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 13:01:01,514 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 13:01:01,515 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 13:01:01,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 13:01:01,516 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 13:01:01,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 13:01:01,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 13:01:01,518 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 13:01:01,518 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 13:01:01,519 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 13:01:01,519 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 13:01:01,519 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 13:01:01,520 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 13:01:01,521 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 13:01:01,522 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 13:01:01,536 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 13:01:01,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 13:01:01,537 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 13:01:01,538 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 13:01:01,538 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 13:01:01,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 13:01:01,538 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 13:01:01,539 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 13:01:01,539 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 13:01:01,539 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 13:01:01,539 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 13:01:01,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 13:01:01,540 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 13:01:01,540 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 13:01:01,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 13:01:01,540 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 13:01:01,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 13:01:01,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 13:01:01,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 13:01:01,541 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 13:01:01,541 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 13:01:01,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 13:01:01,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 13:01:01,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 13:01:01,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 13:01:01,542 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 13:01:01,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 13:01:01,543 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 13:01:01,543 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 13:01:01,891 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 13:01:01,914 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 13:01:01,918 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 13:01:01,920 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 13:01:01,920 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 13:01:01,921 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i [2019-10-07 13:01:02,002 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/438b80802/bee8fbe3e1ea4c3dab5b3f5376fe9d41/FLAG27a632198 [2019-10-07 13:01:02,850 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 13:01:02,851 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i [2019-10-07 13:01:02,884 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/438b80802/bee8fbe3e1ea4c3dab5b3f5376fe9d41/FLAG27a632198 [2019-10-07 13:01:03,379 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/438b80802/bee8fbe3e1ea4c3dab5b3f5376fe9d41 [2019-10-07 13:01:03,391 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 13:01:03,393 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 13:01:03,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 13:01:03,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 13:01:03,398 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 13:01:03,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 01:01:03" (1/1) ... [2019-10-07 13:01:03,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc444e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:01:03, skipping insertion in model container [2019-10-07 13:01:03,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 01:01:03" (1/1) ... [2019-10-07 13:01:03,411 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 13:01:03,540 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 13:01:05,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 13:01:05,147 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 13:01:05,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 13:01:05,704 INFO L192 MainTranslator]: Completed translation [2019-10-07 13:01:05,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:01:05 WrapperNode [2019-10-07 13:01:05,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 13:01:05,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 13:01:05,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 13:01:05,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 13:01:05,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:01:05" (1/1) ... [2019-10-07 13:01:05,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:01:05" (1/1) ... [2019-10-07 13:01:05,892 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:01:05" (1/1) ... [2019-10-07 13:01:05,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:01:05" (1/1) ... [2019-10-07 13:01:06,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:01:05" (1/1) ... [2019-10-07 13:01:06,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:01:05" (1/1) ... [2019-10-07 13:01:06,071 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:01:05" (1/1) ... [2019-10-07 13:01:06,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 13:01:06,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 13:01:06,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 13:01:06,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 13:01:06,111 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:01:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 13:01:06,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 13:01:06,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 13:01:06,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 13:01:06,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2019-10-07 13:01:06,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab64 [2019-10-07 13:01:06,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-07 13:01:06,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-10-07 13:01:06,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2019-10-07 13:01:06,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-10-07 13:01:06,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32p [2019-10-07 13:01:06,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab64p [2019-10-07 13:01:06,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __be64_to_cpup [2019-10-07 13:01:06,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2019-10-07 13:01:06,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2019-10-07 13:01:06,233 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2019-10-07 13:01:06,233 INFO L138 BoogieDeclarations]: Found implementation of procedure div64_u64 [2019-10-07 13:01:06,240 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-07 13:01:06,241 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-07 13:01:06,241 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-07 13:01:06,242 INFO L138 BoogieDeclarations]: Found implementation of procedure timespec_to_ns [2019-10-07 13:01:06,242 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-10-07 13:01:06,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 13:01:06,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-07 13:01:06,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-07 13:01:06,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-07 13:01:06,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-07 13:01:06,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-07 13:01:06,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-07 13:01:06,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-07 13:01:06,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 13:01:06,245 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_init_ipmi_data [2019-10-07 13:01:06,246 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_send_message [2019-10-07 13:01:06,246 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_msg_handler [2019-10-07 13:01:06,246 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_idr_get [2019-10-07 13:01:06,246 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_idr_put [2019-10-07 13:01:06,246 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_read_sensor [2019-10-07 13:01:06,247 INFO L138 BoogieDeclarations]: Found implementation of procedure update_aem_energy_one [2019-10-07 13:01:06,247 INFO L138 BoogieDeclarations]: Found implementation of procedure update_aem_energy [2019-10-07 13:01:06,247 INFO L138 BoogieDeclarations]: Found implementation of procedure update_aem1_sensors [2019-10-07 13:01:06,247 INFO L138 BoogieDeclarations]: Found implementation of procedure update_aem2_sensors [2019-10-07 13:01:06,248 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_delete [2019-10-07 13:01:06,248 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_find_aem1_count [2019-10-07 13:01:06,248 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_init_aem1_inst [2019-10-07 13:01:06,248 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_init_aem1 [2019-10-07 13:01:06,249 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_find_aem2 [2019-10-07 13:01:06,249 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_init_aem2_inst [2019-10-07 13:01:06,249 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_init_aem2 [2019-10-07 13:01:06,249 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_register_bmc [2019-10-07 13:01:06,249 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_bmc_gone [2019-10-07 13:01:06,250 INFO L138 BoogieDeclarations]: Found implementation of procedure show_name [2019-10-07 13:01:06,250 INFO L138 BoogieDeclarations]: Found implementation of procedure show_version [2019-10-07 13:01:06,250 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_show_power [2019-10-07 13:01:06,250 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_show_energy [2019-10-07 13:01:06,251 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_show_power_period [2019-10-07 13:01:06,251 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_set_power_period [2019-10-07 13:01:06,251 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_register_sensors [2019-10-07 13:01:06,251 INFO L138 BoogieDeclarations]: Found implementation of procedure aem2_show_temp [2019-10-07 13:01:06,252 INFO L138 BoogieDeclarations]: Found implementation of procedure aem2_show_pcap_value [2019-10-07 13:01:06,252 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_remove_sensors [2019-10-07 13:01:06,253 INFO L138 BoogieDeclarations]: Found implementation of procedure aem1_find_sensors [2019-10-07 13:01:06,253 INFO L138 BoogieDeclarations]: Found implementation of procedure aem2_find_sensors [2019-10-07 13:01:06,254 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_init [2019-10-07 13:01:06,254 INFO L138 BoogieDeclarations]: Found implementation of procedure aem_exit [2019-10-07 13:01:06,254 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 13:01:06,254 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-07 13:01:06,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_6 [2019-10-07 13:01:06,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_9 [2019-10-07 13:01:06,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_10 [2019-10-07 13:01:06,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_11 [2019-10-07 13:01:06,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_12 [2019-10-07 13:01:06,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-07 13:01:06,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-07 13:01:06,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-07 13:01:06,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-07 13:01:06,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-07 13:01:06,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-07 13:01:06,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_sysfs [2019-10-07 13:01:06,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file [2019-10-07 13:01:06,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 13:01:06,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-07 13:01:06,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-07 13:01:06,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-07 13:01:06,261 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-07 13:01:06,261 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-07 13:01:06,261 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-07 13:01:06,262 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-10-07 13:01:06,262 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-07 13:01:06,263 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-07 13:01:06,263 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-07 13:01:06,263 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2019-10-07 13:01:06,263 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_register [2019-10-07 13:01:06,264 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2019-10-07 13:01:06,264 INFO L138 BoogieDeclarations]: Found implementation of procedure getnstimeofday [2019-10-07 13:01:06,264 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_register [2019-10-07 13:01:06,264 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2019-10-07 13:01:06,264 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_get_new [2019-10-07 13:01:06,265 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_pre_get [2019-10-07 13:01:06,265 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2019-10-07 13:01:06,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_create_user [2019-10-07 13:01:06,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_destroy_user [2019-10-07 13:01:06,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2019-10-07 13:01:06,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_request_settime [2019-10-07 13:01:06,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_watcher_register [2019-10-07 13:01:06,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_watcher_unregister [2019-10-07 13:01:06,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_validate_addr [2019-10-07 13:01:06,266 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoull [2019-10-07 13:01:06,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 13:01:06,267 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-07 13:01:06,267 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-10-07 13:01:06,267 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-07 13:01:06,268 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-07 13:01:06,269 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add [2019-10-07 13:01:06,269 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_alloc [2019-10-07 13:01:06,269 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2019-10-07 13:01:06,269 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 13:01:06,269 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2019-10-07 13:01:06,270 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2019-10-07 13:01:06,270 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 13:01:06,271 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 13:01:06,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 13:01:06,272 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-07 13:01:06,272 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-07 13:01:06,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 13:01:06,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 13:01:06,274 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2019-10-07 13:01:06,274 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab64 [2019-10-07 13:01:06,274 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-07 13:01:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-10-07 13:01:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2019-10-07 13:01:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-10-07 13:01:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 13:01:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32p [2019-10-07 13:01:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure __swab64p [2019-10-07 13:01:06,278 INFO L130 BoogieDeclarations]: Found specification of procedure __be64_to_cpup [2019-10-07 13:01:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2019-10-07 13:01:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2019-10-07 13:01:06,283 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 13:01:06,283 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoull [2019-10-07 13:01:06,284 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2019-10-07 13:01:06,285 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-07 13:01:06,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-07 13:01:06,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 13:01:06,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-07 13:01:06,286 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 13:01:06,295 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-07 13:01:06,296 INFO L130 BoogieDeclarations]: Found specification of procedure div64_u64 [2019-10-07 13:01:06,296 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-07 13:01:06,296 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-07 13:01:06,296 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-07 13:01:06,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 13:01:06,297 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-07 13:01:06,298 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-07 13:01:06,299 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-07 13:01:06,299 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-07 13:01:06,299 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-07 13:01:06,299 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-07 13:01:06,299 INFO L130 BoogieDeclarations]: Found specification of procedure getnstimeofday [2019-10-07 13:01:06,300 INFO L130 BoogieDeclarations]: Found specification of procedure timespec_to_ns [2019-10-07 13:01:06,300 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-07 13:01:06,300 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-07 13:01:06,300 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-07 13:01:06,301 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-10-07 13:01:06,301 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-10-07 13:01:06,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 13:01:06,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 13:01:06,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 13:01:06,302 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2019-10-07 13:01:06,302 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-10-07 13:01:06,302 INFO L130 BoogieDeclarations]: Found specification of procedure driver_register [2019-10-07 13:01:06,302 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2019-10-07 13:01:06,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_9 [2019-10-07 13:01:06,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_10 [2019-10-07 13:01:06,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_11 [2019-10-07 13:01:06,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_12 [2019-10-07 13:01:06,303 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2019-10-07 13:01:06,304 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-07 13:01:06,304 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-07 13:01:06,304 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-07 13:01:06,304 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-07 13:01:06,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file [2019-10-07 13:01:06,305 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 13:01:06,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_6 [2019-10-07 13:01:06,305 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 13:01:06,305 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 13:01:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 13:01:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 13:01:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 13:01:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 13:01:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 13:01:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-07 13:01:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-07 13:01:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-07 13:01:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 13:01:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-07 13:01:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-07 13:01:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-07 13:01:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-07 13:01:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2019-10-07 13:01:06,308 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_create_user [2019-10-07 13:01:06,308 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_destroy_user [2019-10-07 13:01:06,308 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_request_settime [2019-10-07 13:01:06,308 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_watcher_register [2019-10-07 13:01:06,308 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_watcher_unregister [2019-10-07 13:01:06,308 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_validate_addr [2019-10-07 13:01:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_register [2019-10-07 13:01:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2019-10-07 13:01:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure idr_pre_get [2019-10-07 13:01:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure idr_get_new [2019-10-07 13:01:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2019-10-07 13:01:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2019-10-07 13:01:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2019-10-07 13:01:06,310 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_alloc [2019-10-07 13:01:06,310 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add [2019-10-07 13:01:06,310 INFO L130 BoogieDeclarations]: Found specification of procedure aem_register_bmc [2019-10-07 13:01:06,310 INFO L130 BoogieDeclarations]: Found specification of procedure aem_bmc_gone [2019-10-07 13:01:06,310 INFO L130 BoogieDeclarations]: Found specification of procedure aem_msg_handler [2019-10-07 13:01:06,310 INFO L130 BoogieDeclarations]: Found specification of procedure aem_remove_sensors [2019-10-07 13:01:06,310 INFO L130 BoogieDeclarations]: Found specification of procedure aem_init_aem1 [2019-10-07 13:01:06,310 INFO L130 BoogieDeclarations]: Found specification of procedure aem_init_aem2 [2019-10-07 13:01:06,310 INFO L130 BoogieDeclarations]: Found specification of procedure aem1_find_sensors [2019-10-07 13:01:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure aem2_find_sensors [2019-10-07 13:01:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure update_aem1_sensors [2019-10-07 13:01:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure update_aem2_sensors [2019-10-07 13:01:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure aem_init_ipmi_data [2019-10-07 13:01:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 13:01:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure aem_send_message [2019-10-07 13:01:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-07 13:01:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-07 13:01:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure aem_idr_get [2019-10-07 13:01:06,312 INFO L130 BoogieDeclarations]: Found specification of procedure aem_idr_put [2019-10-07 13:01:06,312 INFO L130 BoogieDeclarations]: Found specification of procedure aem_read_sensor [2019-10-07 13:01:06,312 INFO L130 BoogieDeclarations]: Found specification of procedure update_aem_energy_one [2019-10-07 13:01:06,312 INFO L130 BoogieDeclarations]: Found specification of procedure update_aem_energy [2019-10-07 13:01:06,312 INFO L130 BoogieDeclarations]: Found specification of procedure aem_delete [2019-10-07 13:01:06,312 INFO L130 BoogieDeclarations]: Found specification of procedure aem_find_aem1_count [2019-10-07 13:01:06,312 INFO L130 BoogieDeclarations]: Found specification of procedure aem_init_aem1_inst [2019-10-07 13:01:06,312 INFO L130 BoogieDeclarations]: Found specification of procedure aem_find_aem2 [2019-10-07 13:01:06,312 INFO L130 BoogieDeclarations]: Found specification of procedure aem_init_aem2_inst [2019-10-07 13:01:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure show_name [2019-10-07 13:01:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure show_version [2019-10-07 13:01:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure aem_show_power [2019-10-07 13:01:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure aem_show_energy [2019-10-07 13:01:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure aem_show_power_period [2019-10-07 13:01:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 13:01:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure aem_set_power_period [2019-10-07 13:01:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure aem_register_sensors [2019-10-07 13:01:06,314 INFO L130 BoogieDeclarations]: Found specification of procedure aem2_show_temp [2019-10-07 13:01:06,314 INFO L130 BoogieDeclarations]: Found specification of procedure aem2_show_pcap_value [2019-10-07 13:01:06,314 INFO L130 BoogieDeclarations]: Found specification of procedure aem_init [2019-10-07 13:01:06,314 INFO L130 BoogieDeclarations]: Found specification of procedure aem_exit [2019-10-07 13:01:06,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 13:01:06,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 13:01:06,314 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 13:01:06,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-07 13:01:06,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-07 13:01:06,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-07 13:01:06,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-07 13:01:06,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-07 13:01:06,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_sysfs [2019-10-07 13:01:06,315 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 13:01:06,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-07 13:01:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 13:01:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 13:01:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 13:01:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 13:01:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 13:01:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-07 13:01:06,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-07 13:01:06,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-07 13:01:06,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-07 13:01:07,419 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-07 13:01:12,840 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 13:01:12,841 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-07 13:01:12,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 01:01:12 BoogieIcfgContainer [2019-10-07 13:01:12,843 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 13:01:12,844 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 13:01:12,844 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 13:01:12,848 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 13:01:12,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 01:01:03" (1/3) ... [2019-10-07 13:01:12,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@680b3707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 01:01:12, skipping insertion in model container [2019-10-07 13:01:12,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 01:01:05" (2/3) ... [2019-10-07 13:01:12,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@680b3707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 01:01:12, skipping insertion in model container [2019-10-07 13:01:12,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 01:01:12" (3/3) ... [2019-10-07 13:01:12,852 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-stable-4ee267b-1-130_7a-drivers--hwmon--ibmaem.ko-entry_point_ldv-val-v0.8.cil.out.i [2019-10-07 13:01:12,863 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 13:01:12,873 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 13:01:12,886 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 13:01:12,919 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 13:01:12,920 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 13:01:12,920 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 13:01:12,920 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 13:01:12,920 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 13:01:12,920 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 13:01:12,920 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 13:01:12,920 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 13:01:12,956 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states. [2019-10-07 13:01:12,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2019-10-07 13:01:12,985 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:01:12,987 INFO L385 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:01:12,990 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:01:12,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:01:12,997 INFO L82 PathProgramCache]: Analyzing trace with hash -570099394, now seen corresponding path program 1 times [2019-10-07 13:01:13,007 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:01:13,007 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:01:13,008 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:01:13,008 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:01:13,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:01:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:01:14,260 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2019-10-07 13:01:14,261 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:01:14,261 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:01:14,262 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 13:01:14,267 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 13:01:14,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 13:01:14,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 13:01:14,285 INFO L87 Difference]: Start difference. First operand 713 states. Second operand 3 states. [2019-10-07 13:01:14,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:01:14,571 INFO L93 Difference]: Finished difference Result 1155 states and 1445 transitions. [2019-10-07 13:01:14,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 13:01:14,573 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 249 [2019-10-07 13:01:14,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:01:14,608 INFO L225 Difference]: With dead ends: 1155 [2019-10-07 13:01:14,609 INFO L226 Difference]: Without dead ends: 559 [2019-10-07 13:01:14,624 INFO L606 BasicCegarLoop]: 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 [2019-10-07 13:01:14,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2019-10-07 13:01:14,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 540. [2019-10-07 13:01:14,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 540 states. [2019-10-07 13:01:14,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 671 transitions. [2019-10-07 13:01:14,755 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 671 transitions. Word has length 249 [2019-10-07 13:01:14,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:01:14,757 INFO L462 AbstractCegarLoop]: Abstraction has 540 states and 671 transitions. [2019-10-07 13:01:14,757 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 13:01:14,757 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 671 transitions. [2019-10-07 13:01:14,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2019-10-07 13:01:14,769 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:01:14,770 INFO L385 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:01:14,770 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:01:14,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:01:14,772 INFO L82 PathProgramCache]: Analyzing trace with hash -1836781938, now seen corresponding path program 1 times [2019-10-07 13:01:14,772 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:01:14,772 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:01:14,772 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:01:14,772 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:01:14,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:01:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:01:15,373 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2019-10-07 13:01:15,373 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:01:15,374 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:01:15,374 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 13:01:15,379 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 13:01:15,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 13:01:15,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 13:01:15,380 INFO L87 Difference]: Start difference. First operand 540 states and 671 transitions. Second operand 3 states. [2019-10-07 13:01:15,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:01:15,458 INFO L93 Difference]: Finished difference Result 1038 states and 1294 transitions. [2019-10-07 13:01:15,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 13:01:15,459 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 269 [2019-10-07 13:01:15,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:01:15,467 INFO L225 Difference]: With dead ends: 1038 [2019-10-07 13:01:15,467 INFO L226 Difference]: Without dead ends: 541 [2019-10-07 13:01:15,470 INFO L606 BasicCegarLoop]: 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 [2019-10-07 13:01:15,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2019-10-07 13:01:15,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 541. [2019-10-07 13:01:15,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 541 states. [2019-10-07 13:01:15,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 672 transitions. [2019-10-07 13:01:15,533 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 672 transitions. Word has length 269 [2019-10-07 13:01:15,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:01:15,534 INFO L462 AbstractCegarLoop]: Abstraction has 541 states and 672 transitions. [2019-10-07 13:01:15,534 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 13:01:15,534 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 672 transitions. [2019-10-07 13:01:15,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-10-07 13:01:15,541 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:01:15,542 INFO L385 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:01:15,542 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:01:15,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:01:15,543 INFO L82 PathProgramCache]: Analyzing trace with hash -1321227666, now seen corresponding path program 1 times [2019-10-07 13:01:15,543 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:01:15,543 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:01:15,543 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:01:15,544 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:01:15,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:01:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:01:16,455 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2019-10-07 13:01:16,456 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:01:16,457 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:01:16,457 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-07 13:01:16,458 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 13:01:16,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 13:01:16,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2019-10-07 13:01:16,459 INFO L87 Difference]: Start difference. First operand 541 states and 672 transitions. Second operand 11 states. [2019-10-07 13:01:45,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:01:45,490 INFO L93 Difference]: Finished difference Result 2690 states and 3397 transitions. [2019-10-07 13:01:45,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-10-07 13:01:45,490 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 270 [2019-10-07 13:01:45,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:01:45,513 INFO L225 Difference]: With dead ends: 2690 [2019-10-07 13:01:45,513 INFO L226 Difference]: Without dead ends: 2687 [2019-10-07 13:01:45,516 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=169, Invalid=533, Unknown=0, NotChecked=0, Total=702 [2019-10-07 13:01:45,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2687 states. [2019-10-07 13:01:45,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2687 to 2176. [2019-10-07 13:01:45,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2176 states. [2019-10-07 13:01:45,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2176 states to 2176 states and 2740 transitions. [2019-10-07 13:01:45,689 INFO L78 Accepts]: Start accepts. Automaton has 2176 states and 2740 transitions. Word has length 270 [2019-10-07 13:01:45,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:01:45,690 INFO L462 AbstractCegarLoop]: Abstraction has 2176 states and 2740 transitions. [2019-10-07 13:01:45,690 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 13:01:45,691 INFO L276 IsEmpty]: Start isEmpty. Operand 2176 states and 2740 transitions. [2019-10-07 13:01:45,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2019-10-07 13:01:45,698 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:01:45,698 INFO L385 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:01:45,699 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:01:45,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:01:45,699 INFO L82 PathProgramCache]: Analyzing trace with hash -761565730, now seen corresponding path program 1 times [2019-10-07 13:01:45,699 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:01:45,700 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:01:45,700 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:01:45,700 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:01:45,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:01:45,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:01:46,219 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2019-10-07 13:01:46,219 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:01:46,220 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:01:46,220 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 13:01:46,221 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 13:01:46,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 13:01:46,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 13:01:46,222 INFO L87 Difference]: Start difference. First operand 2176 states and 2740 transitions. Second operand 3 states. [2019-10-07 13:01:46,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:01:46,358 INFO L93 Difference]: Finished difference Result 4314 states and 5461 transitions. [2019-10-07 13:01:46,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 13:01:46,359 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 294 [2019-10-07 13:01:46,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:01:46,382 INFO L225 Difference]: With dead ends: 4314 [2019-10-07 13:01:46,383 INFO L226 Difference]: Without dead ends: 2181 [2019-10-07 13:01:46,397 INFO L606 BasicCegarLoop]: 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 [2019-10-07 13:01:46,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2181 states. [2019-10-07 13:01:46,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2181 to 2181. [2019-10-07 13:01:46,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2181 states. [2019-10-07 13:01:46,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 2181 states and 2745 transitions. [2019-10-07 13:01:46,576 INFO L78 Accepts]: Start accepts. Automaton has 2181 states and 2745 transitions. Word has length 294 [2019-10-07 13:01:46,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:01:46,578 INFO L462 AbstractCegarLoop]: Abstraction has 2181 states and 2745 transitions. [2019-10-07 13:01:46,578 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 13:01:46,578 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 2745 transitions. [2019-10-07 13:01:46,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2019-10-07 13:01:46,584 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:01:46,584 INFO L385 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:01:46,584 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:01:46,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:01:46,585 INFO L82 PathProgramCache]: Analyzing trace with hash 205488183, now seen corresponding path program 1 times [2019-10-07 13:01:46,585 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:01:46,585 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:01:46,586 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:01:46,586 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:01:46,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:01:46,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:01:47,314 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2019-10-07 13:01:47,314 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:01:47,315 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 13:01:47,315 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 13:01:47,317 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 13:01:47,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 13:01:47,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-07 13:01:47,318 INFO L87 Difference]: Start difference. First operand 2181 states and 2745 transitions. Second operand 7 states. [2019-10-07 13:01:59,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:01:59,311 INFO L93 Difference]: Finished difference Result 3002 states and 3789 transitions. [2019-10-07 13:01:59,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-07 13:01:59,312 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 297 [2019-10-07 13:01:59,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:01:59,332 INFO L225 Difference]: With dead ends: 3002 [2019-10-07 13:01:59,332 INFO L226 Difference]: Without dead ends: 2999 [2019-10-07 13:01:59,335 INFO L606 BasicCegarLoop]: 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 [2019-10-07 13:01:59,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2999 states. [2019-10-07 13:01:59,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2999 to 1675. [2019-10-07 13:01:59,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1675 states. [2019-10-07 13:01:59,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 1675 states and 2091 transitions. [2019-10-07 13:01:59,455 INFO L78 Accepts]: Start accepts. Automaton has 1675 states and 2091 transitions. Word has length 297 [2019-10-07 13:01:59,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:01:59,456 INFO L462 AbstractCegarLoop]: Abstraction has 1675 states and 2091 transitions. [2019-10-07 13:01:59,456 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 13:01:59,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1675 states and 2091 transitions. [2019-10-07 13:01:59,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2019-10-07 13:01:59,460 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:01:59,460 INFO L385 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:01:59,461 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:01:59,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:01:59,461 INFO L82 PathProgramCache]: Analyzing trace with hash -2046745003, now seen corresponding path program 1 times [2019-10-07 13:01:59,461 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:01:59,461 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:01:59,462 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:01:59,462 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:01:59,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:01:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:02:00,239 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2019-10-07 13:02:00,239 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:02:00,240 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 13:02:00,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 13:02:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:02:01,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 3351 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-07 13:02:01,273 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 13:02:01,447 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2019-10-07 13:02:01,448 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 13:02:01,884 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2019-10-07 13:02:01,884 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 13:02:01,885 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [15] total 20 [2019-10-07 13:02:01,886 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-07 13:02:01,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-07 13:02:01,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2019-10-07 13:02:01,887 INFO L87 Difference]: Start difference. First operand 1675 states and 2091 transitions. Second operand 8 states. [2019-10-07 13:02:02,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 13:02:02,004 INFO L93 Difference]: Finished difference Result 3339 states and 4187 transitions. [2019-10-07 13:02:02,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 13:02:02,005 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 287 [2019-10-07 13:02:02,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 13:02:02,017 INFO L225 Difference]: With dead ends: 3339 [2019-10-07 13:02:02,018 INFO L226 Difference]: Without dead ends: 1707 [2019-10-07 13:02:02,029 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 597 GetRequests, 579 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2019-10-07 13:02:02,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2019-10-07 13:02:02,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1699. [2019-10-07 13:02:02,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1699 states. [2019-10-07 13:02:02,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1699 states and 2121 transitions. [2019-10-07 13:02:02,179 INFO L78 Accepts]: Start accepts. Automaton has 1699 states and 2121 transitions. Word has length 287 [2019-10-07 13:02:02,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 13:02:02,181 INFO L462 AbstractCegarLoop]: Abstraction has 1699 states and 2121 transitions. [2019-10-07 13:02:02,182 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-07 13:02:02,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1699 states and 2121 transitions. [2019-10-07 13:02:02,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2019-10-07 13:02:02,188 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 13:02:02,189 INFO L385 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 13:02:02,390 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 13:02:02,390 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 13:02:02,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 13:02:02,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1571536484, now seen corresponding path program 1 times [2019-10-07 13:02:02,391 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 13:02:02,392 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:02:02,392 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:02:02,392 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 13:02:02,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 13:02:02,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:02:03,417 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2019-10-07 13:02:03,417 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 13:02:03,417 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 13:02:03,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 13:02:04,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 13:02:04,419 INFO L256 TraceCheckSpWp]: Trace formula consists of 3512 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 13:02:04,429 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 13:02:04,552 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2019-10-07 13:02:04,552 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 13:02:05,527 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2019-10-07 13:02:05,528 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 13:02:05,572 INFO L162 IcfgInterpreter]: Started Sifa with 221 locations of interest [2019-10-07 13:02:05,572 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 13:02:05,578 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 13:02:05,585 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 13:02:05,585 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs