/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point_ldv-val-v0.8.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 13:55:29,276 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 13:55:29,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 13:55:29,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 13:55:29,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 13:55:29,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 13:55:29,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 13:55:29,323 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 13:55:29,326 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 13:55:29,327 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 13:55:29,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 13:55:29,331 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 13:55:29,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 13:55:29,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 13:55:29,334 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 13:55:29,336 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 13:55:29,337 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 13:55:29,339 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 13:55:29,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 13:55:29,345 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 13:55:29,360 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 13:55:29,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 13:55:29,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 13:55:29,365 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 13:55:29,368 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 13:55:29,369 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 13:55:29,369 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 13:55:29,370 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 13:55:29,371 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 13:55:29,372 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 13:55:29,373 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 13:55:29,374 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 13:55:29,375 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 13:55:29,376 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 13:55:29,377 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 13:55:29,377 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 13:55:29,378 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 13:55:29,379 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 13:55:29,379 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 13:55:29,380 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 13:55:29,381 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 13:55:29,388 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-27 13:55:29,421 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 13:55:29,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 13:55:29,423 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 13:55:29,423 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 13:55:29,424 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 13:55:29,424 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 13:55:29,425 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 13:55:29,425 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 13:55:29,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 13:55:29,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 13:55:29,427 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 13:55:29,427 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 13:55:29,428 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 13:55:29,428 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 13:55:29,428 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 13:55:29,428 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 13:55:29,428 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 13:55:29,428 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 13:55:29,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 13:55:29,429 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 13:55:29,429 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 13:55:29,429 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 13:55:29,430 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 13:55:29,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 13:55:29,430 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 13:55:29,430 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 13:55:29,431 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-27 13:55:29,431 INFO L138 SettingsManager]: * To the following directory=dump/ 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 13:55:29,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 13:55:29,956 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 13:55:29,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 13:55:29,963 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 13:55:29,964 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 13:55:29,965 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point_ldv-val-v0.8.cil.out.i [2020-10-27 13:55:30,056 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ccd6445c6/c38e504b214840529a74f45d57e7bab9/FLAGd7ad38428 [2020-10-27 13:55:30,778 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 13:55:30,781 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point_ldv-val-v0.8.cil.out.i [2020-10-27 13:55:30,813 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ccd6445c6/c38e504b214840529a74f45d57e7bab9/FLAGd7ad38428 [2020-10-27 13:55:30,995 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ccd6445c6/c38e504b214840529a74f45d57e7bab9 [2020-10-27 13:55:31,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 13:55:31,010 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 13:55:31,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 13:55:31,012 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 13:55:31,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 13:55:31,018 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 01:55:30" (1/1) ... [2020-10-27 13:55:31,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60fa666a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:55:31, skipping insertion in model container [2020-10-27 13:55:31,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 01:55:30" (1/1) ... [2020-10-27 13:55:31,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 13:55:31,134 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 13:55:31,741 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 13:55:31,775 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 13:55:31,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 13:55:32,032 INFO L208 MainTranslator]: Completed translation [2020-10-27 13:55:32,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:55:32 WrapperNode [2020-10-27 13:55:32,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 13:55:32,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 13:55:32,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 13:55:32,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 13:55:32,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:55:32" (1/1) ... [2020-10-27 13:55:32,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:55:32" (1/1) ... [2020-10-27 13:55:32,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:55:32" (1/1) ... [2020-10-27 13:55:32,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:55:32" (1/1) ... [2020-10-27 13:55:32,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:55:32" (1/1) ... [2020-10-27 13:55:32,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:55:32" (1/1) ... [2020-10-27 13:55:32,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:55:32" (1/1) ... [2020-10-27 13:55:32,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 13:55:32,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 13:55:32,222 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 13:55:32,222 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 13:55:32,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:55:32" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-27 13:55:32,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 13:55:32,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 13:55:32,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-10-27 13:55:32,311 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 13:55:32,311 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 13:55:32,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-27 13:55:32,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-27 13:55:32,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-10-27 13:55:32,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-10-27 13:55:32,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-27 13:55:32,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-27 13:55:32,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-27 13:55:32,313 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2020-10-27 13:55:32,313 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2020-10-27 13:55:32,313 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_read_ch [2020-10-27 13:55:32,313 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_add_raw [2020-10-27 13:55:32,313 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_raw [2020-10-27 13:55:32,314 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_ch_show [2020-10-27 13:55:32,314 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_label_show [2020-10-27 13:55:32,314 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_create_attr [2020-10-27 13:55:32,314 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove_attr [2020-10-27 13:55:32,314 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_probe [2020-10-27 13:55:32,314 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_remove [2020-10-27 13:55:32,314 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_init [2020-10-27 13:55:32,315 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_hwmon_exit [2020-10-27 13:55:32,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_probe_1 [2020-10-27 13:55:32,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_platform_driver_init_1 [2020-10-27 13:55:32,315 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 13:55:32,315 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-10-27 13:55:32,316 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-27 13:55:32,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_7 [2020-10-27 13:55:32,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file_8 [2020-10-27 13:55:32,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_9 [2020-10-27 13:55:32,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-27 13:55:32,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2020-10-27 13:55:32,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-27 13:55:32,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-27 13:55:32,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-27 13:55:32,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-27 13:55:32,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_sysfs [2020-10-27 13:55:32,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_device_create_file [2020-10-27 13:55:32,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-27 13:55:32,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-27 13:55:32,318 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-27 13:55:32,318 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-27 13:55:32,318 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2020-10-27 13:55:32,318 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-27 13:55:32,318 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2020-10-27 13:55:32,318 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2020-10-27 13:55:32,319 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_register [2020-10-27 13:55:32,319 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2020-10-27 13:55:32,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-27 13:55:32,319 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2020-10-27 13:55:32,319 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-27 13:55:32,319 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_register [2020-10-27 13:55:32,320 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2020-10-27 13:55:32,320 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_adc_read [2020-10-27 13:55:32,320 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_adc_register [2020-10-27 13:55:32,320 INFO L138 BoogieDeclarations]: Found implementation of procedure s3c_adc_release [2020-10-27 13:55:32,320 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-27 13:55:32,320 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-27 13:55:32,321 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-27 13:55:32,321 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 13:55:32,321 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 13:55:32,321 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 13:55:32,321 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 13:55:32,321 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 13:55:32,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 13:55:32,322 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-27 13:55:32,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-27 13:55:32,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-27 13:55:32,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-27 13:55:32,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-27 13:55:32,323 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-27 13:55:32,323 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-27 13:55:32,323 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2020-10-27 13:55:32,323 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-27 13:55:32,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_7 [2020-10-27 13:55:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file_8 [2020-10-27 13:55:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2020-10-27 13:55:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-27 13:55:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-27 13:55:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2020-10-27 13:55:32,324 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-27 13:55:32,325 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2020-10-27 13:55:32,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_device_create_file [2020-10-27 13:55:32,325 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-27 13:55:32,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_9 [2020-10-27 13:55:32,325 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 13:55:32,325 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-27 13:55:32,326 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 13:55:32,326 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-27 13:55:32,326 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 13:55:32,326 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-27 13:55:32,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 13:55:32,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-27 13:55:32,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-10-27 13:55:32,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-10-27 13:55:32,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-27 13:55:32,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-27 13:55:32,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-27 13:55:32,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-27 13:55:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_probe_1 [2020-10-27 13:55:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_platform_driver_init_1 [2020-10-27 13:55:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-10-27 13:55:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_register [2020-10-27 13:55:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2020-10-27 13:55:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2020-10-27 13:55:32,329 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2020-10-27 13:55:32,329 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_register [2020-10-27 13:55:32,329 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2020-10-27 13:55:32,329 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_adc_read [2020-10-27 13:55:32,329 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_adc_register [2020-10-27 13:55:32,329 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_adc_release [2020-10-27 13:55:32,330 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_read_ch [2020-10-27 13:55:32,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 13:55:32,330 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_add_raw [2020-10-27 13:55:32,330 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_raw [2020-10-27 13:55:32,330 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_ch_show [2020-10-27 13:55:32,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 13:55:32,330 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_label_show [2020-10-27 13:55:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_create_attr [2020-10-27 13:55:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 13:55:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 13:55:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove_attr [2020-10-27 13:55:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_probe [2020-10-27 13:55:32,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 13:55:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_remove [2020-10-27 13:55:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_init [2020-10-27 13:55:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure s3c_hwmon_exit [2020-10-27 13:55:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-27 13:55:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-27 13:55:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-10-27 13:55:32,332 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 13:55:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-27 13:55:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2020-10-27 13:55:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-27 13:55:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-27 13:55:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_sysfs [2020-10-27 13:55:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 13:55:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 13:55:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 13:55:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-27 13:55:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 13:55:33,542 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-27 13:55:34,002 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 13:55:34,003 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-27 13:55:34,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:55:34 BoogieIcfgContainer [2020-10-27 13:55:34,005 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 13:55:34,008 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 13:55:34,008 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 13:55:34,011 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 13:55:34,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 01:55:30" (1/3) ... [2020-10-27 13:55:34,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11b99634 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 01:55:34, skipping insertion in model container [2020-10-27 13:55:34,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:55:32" (2/3) ... [2020-10-27 13:55:34,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11b99634 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 01:55:34, skipping insertion in model container [2020-10-27 13:55:34,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:55:34" (3/3) ... [2020-10-27 13:55:34,015 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point_ldv-val-v0.8.cil.out.i [2020-10-27 13:55:34,029 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 13:55:34,035 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 13:55:34,050 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 13:55:34,080 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 13:55:34,081 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 13:55:34,081 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 13:55:34,081 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 13:55:34,081 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 13:55:34,082 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 13:55:34,082 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 13:55:34,082 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 13:55:34,117 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states. [2020-10-27 13:55:34,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-27 13:55:34,136 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 13:55:34,138 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 13:55:34,138 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 13:55:34,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 13:55:34,145 INFO L82 PathProgramCache]: Analyzing trace with hash -1918091193, now seen corresponding path program 1 times [2020-10-27 13:55:34,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 13:55:34,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [581155230] [2020-10-27 13:55:34,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 13:55:34,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:34,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:34,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:34,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:39,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:39,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-10-27 13:55:39,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 13:55:39,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4595 [2020-10-27 13:55:39,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:39,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 13:55:39,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 13:55:39,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 13:55:39,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 13:55:39,388 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 13:55:39,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 13:55:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:39,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:39,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:39,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:55:39,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:39,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-27 13:55:39,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:39,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:39,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:55:39,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:39,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 32 [2020-10-27 13:55:39,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:55:39,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:39,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:39,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:39,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 13:55:39,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:39,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:55:39,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:39,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:39,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:55:39,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:39,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:39,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 13:55:39,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:39,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:39,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:39,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 13:55:39,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:39,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 13:55:39,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:39,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:39,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 13:55:39,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:39,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:39,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:55:39,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:39,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:39,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:39,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:55:39,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:39,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 13:55:39,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:39,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:39,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:55:39,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:39,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:39,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 13:55:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:39,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:39,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:39,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 13:55:39,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:39,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 13:55:39,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:39,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:39,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 13:55:39,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:39,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:39,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:55:39,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:39,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:39,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:39,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:55:39,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:39,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:55:39,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:39,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:39,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:55:39,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:39,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 13:55:39,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 13:55:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:39,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:39,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:39,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:55:39,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:39,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 13:55:39,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:39,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:39,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 13:55:39,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:39,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-27 13:55:39,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 13:55:39,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:39,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:39,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:39,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 13:55:39,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:39,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 13:55:39,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:39,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:39,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 13:55:39,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:39,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:39,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:55:39,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:39,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:39,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:39,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:55:39,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:39,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 13:55:39,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:39,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:39,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:55:39,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:39,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:39,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 13:55:39,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:39,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:39,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:39,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 13:55:39,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:39,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 13:55:39,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:39,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:39,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 13:55:39,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:39,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 13:55:39,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:55:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:39,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:39,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:39,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:55:39,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:39,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 13:55:39,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:39,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:39,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:55:39,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:39,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:39,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 13:55:39,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:39,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:39,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:39,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:55:39,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:39,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 13:55:39,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:39,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:39,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 13:55:39,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:39,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:39,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-27 13:55:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:39,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:39,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:39,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 13:55:39,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:39,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 13:55:39,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:39,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:39,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 13:55:39,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:39,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:39,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:55:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:39,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:39,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:39,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:55:39,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:39,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 13:55:39,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:39,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:39,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:55:39,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:39,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:39,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 13:55:39,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:39,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:39,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:39,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 13:55:39,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:39,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 13:55:39,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:39,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:39,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 13:55:39,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:39,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:39,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:55:39,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:39,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:39,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:39,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:55:39,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:39,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 13:55:39,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:39,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:39,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:55:39,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:39,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:39,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 13:55:39,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:39,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:39,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:39,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:55:39,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:39,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 13:55:39,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:39,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:39,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 13:55:39,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:39,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 13:55:39,924 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-27 13:55:39,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [581155230] [2020-10-27 13:55:39,928 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 13:55:39,929 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 13:55:39,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554341675] [2020-10-27 13:55:39,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 13:55:39,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 13:55:39,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 13:55:39,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 13:55:39,955 INFO L87 Difference]: Start difference. First operand 339 states. Second operand 6 states. [2020-10-27 13:55:40,223 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-27 13:55:40,571 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-27 13:55:43,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 13:55:43,201 INFO L93 Difference]: Finished difference Result 741 states and 970 transitions. [2020-10-27 13:55:43,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 13:55:43,204 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 115 [2020-10-27 13:55:43,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 13:55:43,222 INFO L225 Difference]: With dead ends: 741 [2020-10-27 13:55:43,222 INFO L226 Difference]: Without dead ends: 399 [2020-10-27 13:55:43,231 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-27 13:55:43,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2020-10-27 13:55:43,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 295. [2020-10-27 13:55:43,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2020-10-27 13:55:43,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 356 transitions. [2020-10-27 13:55:43,382 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 356 transitions. Word has length 115 [2020-10-27 13:55:43,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 13:55:43,383 INFO L481 AbstractCegarLoop]: Abstraction has 295 states and 356 transitions. [2020-10-27 13:55:43,383 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 13:55:43,383 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 356 transitions. [2020-10-27 13:55:43,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-27 13:55:43,389 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 13:55:43,389 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 13:55:43,390 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 13:55:43,390 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 13:55:43,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 13:55:43,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1979353147, now seen corresponding path program 1 times [2020-10-27 13:55:43,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 13:55:43,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1870145998] [2020-10-27 13:55:43,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 13:55:43,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:43,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:43,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:48,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:48,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-10-27 13:55:48,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 13:55:48,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-27 13:55:48,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:48,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 13:55:48,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-27 13:55:48,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 13:55:48,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:48,802 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 13:55:48,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 13:55:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:48,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:48,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:48,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:55:48,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:48,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 13:55:48,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:48,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:48,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:55:48,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:48,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:48,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:55:48,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:48,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:48,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:48,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 13:55:48,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:48,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 13:55:48,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:48,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:48,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:55:48,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:48,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:48,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 13:55:48,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:48,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:48,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:48,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 13:55:48,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:48,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:55:48,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:48,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:48,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:55:48,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:48,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:48,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:55:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:48,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:48,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:48,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:55:48,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:48,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:55:48,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:48,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:48,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:55:48,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:48,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:48,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 13:55:48,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:48,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:48,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:48,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 13:55:48,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:48,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-27 13:55:48,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:48,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 13:55:48,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 13:55:48,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 13:55:48,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 13:55:49,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:55:49,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:49,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:49,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:49,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:55:49,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:49,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 13:55:49,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:49,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 13:55:49,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:55:49,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 13:55:49,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:49,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 13:55:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:49,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:49,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:49,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:55:49,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:49,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 13:55:49,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:49,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 13:55:49,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 13:55:49,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 13:55:49,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:49,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 13:55:49,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:49,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:49,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:49,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 13:55:49,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:49,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 13:55:49,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:49,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:49,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 13:55:49,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:49,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:49,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:55:49,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:49,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:49,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:49,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:55:49,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:49,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:55:49,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:49,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:49,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:55:49,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:49,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:49,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 13:55:49,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:49,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:49,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:49,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 13:55:49,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:49,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 13:55:49,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:49,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:49,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 13:55:49,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:49,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:49,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:55:49,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:49,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:49,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:49,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:55:49,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:49,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 13:55:49,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:49,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:49,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:55:49,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:49,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:49,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 13:55:49,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:49,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:49,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:49,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:55:49,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:49,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:55:49,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:49,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:49,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 13:55:49,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:49,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:49,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 13:55:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:49,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:49,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:49,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 13:55:49,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:49,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 13:55:49,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:49,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:49,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 13:55:49,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:49,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 13:55:49,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:55:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:49,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:49,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:49,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:55:49,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:49,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:55:49,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:49,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:49,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:55:49,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:49,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:49,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 13:55:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:49,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:49,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:49,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 13:55:49,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:49,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 13:55:49,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:49,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:49,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 13:55:49,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:49,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:49,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:55:49,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:49,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:49,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:49,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:55:49,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:49,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 13:55:49,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:49,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:49,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:55:49,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:49,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:49,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 13:55:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:49,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:49,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:49,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:55:49,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:49,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:55:49,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:49,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:49,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 13:55:49,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:49,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:49,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 13:55:49,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:49,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:49,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:49,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 13:55:49,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:49,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-27 13:55:49,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:49,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:49,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 13:55:49,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:49,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:49,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:55:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:49,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:49,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:49,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:55:49,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:49,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 13:55:49,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:49,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:49,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:55:49,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:49,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:49,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-27 13:55:49,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:49,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:49,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:49,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 13:55:49,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:49,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 13:55:49,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:49,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:49,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 13:55:49,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:49,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:49,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:55:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:49,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:49,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:49,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:55:49,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:49,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:55:49,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:49,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:49,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:55:49,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:49,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:49,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 13:55:49,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:49,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:49,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:49,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:55:49,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:49,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:55:49,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:49,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:49,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 13:55:49,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:49,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:49,511 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-27 13:55:49,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1870145998] [2020-10-27 13:55:49,512 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 13:55:49,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 13:55:49,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355776413] [2020-10-27 13:55:49,517 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 13:55:49,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 13:55:49,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 13:55:49,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-27 13:55:49,518 INFO L87 Difference]: Start difference. First operand 295 states and 356 transitions. Second operand 11 states. [2020-10-27 13:55:49,785 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-27 13:55:50,523 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-27 13:55:50,916 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-27 13:55:51,286 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-27 13:55:51,672 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2020-10-27 13:55:52,005 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-27 13:55:54,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 13:55:54,470 INFO L93 Difference]: Finished difference Result 650 states and 800 transitions. [2020-10-27 13:55:54,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 13:55:54,471 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 150 [2020-10-27 13:55:54,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 13:55:54,478 INFO L225 Difference]: With dead ends: 650 [2020-10-27 13:55:54,478 INFO L226 Difference]: Without dead ends: 363 [2020-10-27 13:55:54,482 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-10-27 13:55:54,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2020-10-27 13:55:54,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 297. [2020-10-27 13:55:54,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2020-10-27 13:55:54,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 360 transitions. [2020-10-27 13:55:54,538 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 360 transitions. Word has length 150 [2020-10-27 13:55:54,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 13:55:54,539 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 360 transitions. [2020-10-27 13:55:54,539 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 13:55:54,539 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 360 transitions. [2020-10-27 13:55:54,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-27 13:55:54,543 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 13:55:54,544 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 13:55:54,544 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 13:55:54,544 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 13:55:54,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 13:55:54,545 INFO L82 PathProgramCache]: Analyzing trace with hash 1463768920, now seen corresponding path program 1 times [2020-10-27 13:55:54,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 13:55:54,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [747656111] [2020-10-27 13:55:54,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 13:55:54,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:54,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:56,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:56,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-10-27 13:55:56,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:56,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1510 [2020-10-27 13:55:56,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:56,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 13:55:56,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 110 [2020-10-27 13:55:56,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 13:55:56,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:56,434 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-27 13:55:56,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 13:55:56,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:56,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:56,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:56,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:55:56,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:56,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 13:55:56,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:56,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:56,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:55:56,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:56,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:56,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 13:55:56,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:56,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:56,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:56,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 13:55:56,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:56,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 13:55:56,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:56,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:56,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:55:56,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:56,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:56,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 13:55:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:56,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:56,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:56,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 13:55:56,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:56,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 13:55:56,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:56,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:56,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:55:56,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:56,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:56,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:55:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:56,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:56,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:56,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:55:56,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:56,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 13:55:56,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:56,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:56,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:55:56,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:56,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:56,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 13:55:56,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:56,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:56,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:56,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-27 13:55:56,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:56,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 13:55:56,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:56,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:56,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:55:56,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:56,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:56,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:55:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:56,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:56,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:56,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 13:55:56,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:56,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 13:55:56,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:56,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:56,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:55:56,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:56,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:56,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 13:55:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:56,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:56,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:56,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:55:56,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:56,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:55:56,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:56,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:56,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:55:56,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:56,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:56,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 13:55:56,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:56,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:56,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:56,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 13:55:56,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:56,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 13:55:56,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:56,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:56,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:55:56,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:56,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:56,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:55:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:56,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:56,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:56,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:55:56,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:56,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 13:55:56,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:56,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:56,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:55:56,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:56,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:56,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 13:55:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:56,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:56,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:56,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:55:56,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:56,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:55:56,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:56,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:56,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:55:56,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:56,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:56,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 13:55:56,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:56,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:56,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:56,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:55:56,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:56,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:55:56,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:56,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:56,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:55:56,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:56,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:56,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-27 13:55:56,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:56,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:56,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:56,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 13:55:56,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:56,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 13:55:56,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:56,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 13:55:56,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:55:56,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 13:55:56,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:56,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:55:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:56,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:56,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:56,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:55:56,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:56,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 13:55:56,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:56,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 13:55:56,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:55:56,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 13:55:56,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:56,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 13:55:56,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:56,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:56,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:56,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 13:55:56,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:56,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 13:55:56,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:56,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:56,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 13:55:56,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:56,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:56,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:55:56,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:56,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:56,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:56,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:55:56,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:56,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 13:55:56,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:56,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:56,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:55:56,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:56,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:56,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 13:55:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:56,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:56,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:56,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:55:56,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:56,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:55:56,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:56,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:56,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 13:55:56,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:56,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:56,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-27 13:55:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:56,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:56,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:56,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 13:55:56,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:56,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 13:55:56,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:56,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:56,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 13:55:56,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:56,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:56,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:55:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:56,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:56,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:56,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:55:56,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:56,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:55:56,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:56,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:56,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:55:56,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:56,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:56,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 13:55:56,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:56,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:56,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:56,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 13:55:56,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:56,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 13:55:56,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:56,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:56,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 13:55:56,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:56,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:56,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:55:56,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:56,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:56,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:56,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:55:56,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:56,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 13:55:56,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:56,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:56,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:55:56,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:56,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:56,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 13:55:56,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:56,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:56,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:56,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:55:56,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:56,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:55:56,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:56,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:56,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 13:55:56,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:56,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:56,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-27 13:55:56,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:56,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:56,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:56,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 13:55:56,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:56,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 13:55:56,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:56,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:56,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 13:55:56,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:56,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:56,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:55:56,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:56,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:56,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:56,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 13:55:56,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:56,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:55:56,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:56,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:56,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:55:56,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:56,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:56,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 13:55:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:56,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:57,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:57,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 13:55:57,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:57,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 13:55:57,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:57,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:57,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 13:55:57,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:57,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:57,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 13:55:57,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:57,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:57,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:57,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:55:57,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:57,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 13:55:57,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:57,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:57,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 13:55:57,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:57,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:57,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-27 13:55:57,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 13:55:57,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 13:55:57,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 13:55:57,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 13:55:57,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 13:55:57,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 13:55:57,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 13:55:57,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 13:55:57,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 13:55:57,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 13:55:57,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 13:55:57,073 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-10-27 13:55:57,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [747656111] [2020-10-27 13:55:57,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 13:55:57,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 13:55:57,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354347349] [2020-10-27 13:55:57,075 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 13:55:57,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 13:55:57,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 13:55:57,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-27 13:55:57,076 INFO L87 Difference]: Start difference. First operand 297 states and 360 transitions. Second operand 11 states. [2020-10-27 13:55:57,355 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-27 13:55:58,528 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-27 13:55:58,927 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-27 13:55:59,294 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-27 13:56:01,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 13:56:01,586 INFO L93 Difference]: Finished difference Result 654 states and 804 transitions. [2020-10-27 13:56:01,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 13:56:01,586 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 171 [2020-10-27 13:56:01,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 13:56:01,593 INFO L225 Difference]: With dead ends: 654 [2020-10-27 13:56:01,593 INFO L226 Difference]: Without dead ends: 367 [2020-10-27 13:56:01,596 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2020-10-27 13:56:01,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2020-10-27 13:56:01,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 304. [2020-10-27 13:56:01,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2020-10-27 13:56:01,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 367 transitions. [2020-10-27 13:56:01,683 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 367 transitions. Word has length 171 [2020-10-27 13:56:01,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 13:56:01,684 INFO L481 AbstractCegarLoop]: Abstraction has 304 states and 367 transitions. [2020-10-27 13:56:01,685 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 13:56:01,685 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 367 transitions. [2020-10-27 13:56:01,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-27 13:56:01,694 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 13:56:01,695 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2020-10-27 13:56:01,695 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 13:56:01,695 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 13:56:01,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 13:56:01,696 INFO L82 PathProgramCache]: Analyzing trace with hash -1857194063, now seen corresponding path program 1 times [2020-10-27 13:56:01,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 13:56:01,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1054334192] [2020-10-27 13:56:01,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 13:56:01,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-27 13:56:01,980 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-27 13:56:01,980 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-27 13:56:01,989 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 13:56:02,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 01:56:02 BoogieIcfgContainer [2020-10-27 13:56:02,044 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 13:56:02,049 INFO L168 Benchmark]: Toolchain (without parser) took 31042.39 ms. Allocated memory was 162.5 MB in the beginning and 644.9 MB in the end (delta: 482.3 MB). Free memory was 135.5 MB in the beginning and 563.6 MB in the end (delta: -428.1 MB). Peak memory consumption was 55.1 MB. Max. memory is 8.0 GB. [2020-10-27 13:56:02,051 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 162.5 MB. Free memory is still 135.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 13:56:02,058 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1022.07 ms. Allocated memory is still 162.5 MB. Free memory was 134.7 MB in the beginning and 133.8 MB in the end (delta: 989.6 kB). Peak memory consumption was 32.5 MB. Max. memory is 8.0 GB. [2020-10-27 13:56:02,058 INFO L168 Benchmark]: Boogie Preprocessor took 185.91 ms. Allocated memory is still 162.5 MB. Free memory was 133.8 MB in the beginning and 128.0 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-27 13:56:02,059 INFO L168 Benchmark]: RCFGBuilder took 1783.90 ms. Allocated memory was 162.5 MB in the beginning and 197.1 MB in the end (delta: 34.6 MB). Free memory was 128.0 MB in the beginning and 135.3 MB in the end (delta: -7.3 MB). Peak memory consumption was 83.9 MB. Max. memory is 8.0 GB. [2020-10-27 13:56:02,060 INFO L168 Benchmark]: TraceAbstraction took 28037.07 ms. Allocated memory was 197.1 MB in the beginning and 644.9 MB in the end (delta: 447.7 MB). Free memory was 134.8 MB in the beginning and 563.6 MB in the end (delta: -428.8 MB). Peak memory consumption was 18.4 MB. Max. memory is 8.0 GB. [2020-10-27 13:56:02,072 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 162.5 MB. Free memory is still 135.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1022.07 ms. Allocated memory is still 162.5 MB. Free memory was 134.7 MB in the beginning and 133.8 MB in the end (delta: 989.6 kB). Peak memory consumption was 32.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 185.91 ms. Allocated memory is still 162.5 MB. Free memory was 133.8 MB in the beginning and 128.0 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1783.90 ms. Allocated memory was 162.5 MB in the beginning and 197.1 MB in the end (delta: 34.6 MB). Free memory was 128.0 MB in the beginning and 135.3 MB in the end (delta: -7.3 MB). Peak memory consumption was 83.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 28037.07 ms. Allocated memory was 197.1 MB in the beginning and 644.9 MB in the end (delta: 447.7 MB). Free memory was 134.8 MB in the beginning and 563.6 MB in the end (delta: -428.8 MB). Peak memory consumption was 18.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 12]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 1174. Possible FailurePath: [L883] int LDV_IN_INTERRUPT = 1; [L884] int ref_cnt ; [L885] int ldv_state_variable_1 ; [L886] struct platform_device *s3c_hwmon_driver_group1 ; [L887] int probed_1 = 0; [L888] int ldv_state_variable_0 ; [L1174-L1176] static struct platform_driver s3c_hwmon_driver = {& s3c_hwmon_probe, & s3c_hwmon_remove, 0, 0, 0, {"s3c-hwmon", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}; [L1192] int ldv_retval_0 ; [L1193] int ldv_retval_1 ; [L1196] int ldv_retval_2 ; [L1421] int ldv_count_1 = 0; [L1422] int ldv_count_2 = 0; [L1222] int tmp ; [L1223] int tmp___0 ; [L1224] int tmp___1 ; [L1226] FCALL ldv_initialize() [L1227] ldv_state_variable_1 = 0 [L1228] ref_cnt = 0 [L1229] ldv_state_variable_0 = 1 [L1231] tmp = __VERIFIER_nondet_int() [L1233] case 0: [L1278] case 1: [L1279] COND TRUE ldv_state_variable_0 != 0 [L1280] tmp___1 = __VERIFIER_nondet_int() [L1282] case 0: [L1290] case 1: [L1291] COND TRUE ldv_state_variable_0 == 1 [L1292] CALL, EXPR s3c_hwmon_init() [L1179] int tmp ; [L1181] CALL, EXPR platform_driver_register(& s3c_hwmon_driver) [L1497] return __VERIFIER_nondet_int(); [L1181] RET, EXPR platform_driver_register(& s3c_hwmon_driver) [L1181] tmp = platform_driver_register(& s3c_hwmon_driver) [L1182] return (tmp); [L1292] RET, EXPR s3c_hwmon_init() [L1292] ldv_retval_2 = s3c_hwmon_init() [L1293] COND FALSE !(ldv_retval_2 != 0) [L1298] COND TRUE ldv_retval_2 == 0 [L1299] ldv_state_variable_0 = 2 [L1300] ldv_state_variable_1 = 1 [L1301] CALL ldv_platform_driver_init_1() [L1212] void *tmp ; [L1214] CALL, EXPR ldv_malloc(624U) [L807] void *p ; [L808] void *tmp ; [L809] int tmp___0 ; [L811] tmp___0 = __VERIFIER_nondet_int() [L812] COND FALSE !(tmp___0 != 0) [L815] tmp = malloc(size) [L816] p = tmp [L817] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) [L801] COND FALSE !(!cond) [L817] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) [L818] CALL, EXPR IS_ERR(p) [L1334] bool tmp ; [L1336] CALL, EXPR ldv_is_err(ptr) [L1388] return ((unsigned long )ptr > 2012UL); [L1336] RET, EXPR ldv_is_err(ptr) [L1336] tmp = ldv_is_err(ptr) [L1337] return ((long )tmp); [L818] RET, EXPR IS_ERR(p) [L818] CALL assume_abort_if_not(IS_ERR(p) == 0) [L801] COND FALSE !(!cond) [L818] RET assume_abort_if_not(IS_ERR(p) == 0) [L819] return (p); [L1214] RET, EXPR ldv_malloc(624U) [L1214] tmp = ldv_malloc(624U) [L1215] CALL assume_abort_if_not((unsigned long )tmp != (unsigned long )((void *)0)) [L801] COND FALSE !(!cond) [L1215] RET assume_abort_if_not((unsigned long )tmp != (unsigned long )((void *)0)) [L1216] s3c_hwmon_driver_group1 = (struct platform_device *)tmp [L1301] RET ldv_platform_driver_init_1() [L1231] tmp = __VERIFIER_nondet_int() [L1233] case 0: [L1234] COND TRUE ldv_state_variable_1 != 0 [L1235] tmp___0 = __VERIFIER_nondet_int() [L1237] case 0: [L1238] COND TRUE ldv_state_variable_1 == 1 [L1239] CALL s3c_hwmon_probe(s3c_hwmon_driver_group1) [L1042] struct s3c_hwmon_pdata *pdata ; [L1043] struct s3c_hwmon *hwmon ; [L1044] int ret ; [L1045] int i ; [L1046] void *tmp ; [L1047] struct lock_class_key __key ; [L1048] long tmp___0 ; [L1049] long tmp___1 ; [L1050] long tmp___2 ; [L1051] long tmp___3 ; [L1052] struct s3c_hwmon_chcfg *cfg ; [L1054] EXPR dev->dev.platform_data [L1054] pdata = (struct s3c_hwmon_pdata *)dev->dev.platform_data [L1055] ret = 0 [L1056] COND FALSE !((unsigned long )pdata == (unsigned long )((struct s3c_hwmon_pdata *)0)) [L1061] CALL, EXPR ldv_kzalloc_9(800U, 208U) [L1358] void *tmp ; [L1360] CALL, EXPR ldv_zalloc(size) [L825] void *p ; [L826] void *tmp ; [L827] int tmp___0 ; [L829] tmp___0 = __VERIFIER_nondet_int() [L830] COND FALSE !(tmp___0 != 0) [L833] EXPR, FCALL calloc(1U, size) [L833] tmp = calloc(1U, size) [L834] p = tmp [L835] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) [L801] COND FALSE !(!cond) [L835] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) [L836] CALL, EXPR IS_ERR(p) [L1334] bool tmp ; [L1336] CALL, EXPR ldv_is_err(ptr) [L1388] return ((unsigned long )ptr > 2012UL); [L1336] RET, EXPR ldv_is_err(ptr) [L1336] tmp = ldv_is_err(ptr) [L1337] return ((long )tmp); [L836] RET, EXPR IS_ERR(p) [L836] CALL assume_abort_if_not(IS_ERR(p) == 0) [L801] COND FALSE !(!cond) [L836] RET assume_abort_if_not(IS_ERR(p) == 0) [L837] return (p); [L1360] RET, EXPR ldv_zalloc(size) [L1360] tmp = ldv_zalloc(size) [L1361] return (tmp); [L1061] RET, EXPR ldv_kzalloc_9(800U, 208U) [L1061] tmp = ldv_kzalloc_9(800U, 208U) [L1062] hwmon = (struct s3c_hwmon *)tmp [L1063] COND FALSE !((unsigned long )hwmon == (unsigned long )((struct s3c_hwmon *)0)) [L1068] CALL platform_set_drvdata(dev, (void *)hwmon) [L906] FCALL dev_set_drvdata(& pdev->dev, data) [L1068] RET platform_set_drvdata(dev, (void *)hwmon) [L1069] FCALL __mutex_init(& hwmon->lock, "&hwmon->lock", & __key) [L1070-L1072] CALL, EXPR s3c_adc_register(dev, (void (*)(struct s3c_adc_client * , unsigned int ))0, (void (*)(struct s3c_adc_client * , unsigned int , unsigned int , unsigned int * ))0, 0U) [L1507] CALL, EXPR ldv_malloc(0UL) [L807] void *p ; [L808] void *tmp ; [L809] int tmp___0 ; [L811] tmp___0 = __VERIFIER_nondet_int() [L812] COND TRUE tmp___0 != 0 [L813] return ((void *)0); [L1507] RET, EXPR ldv_malloc(0UL) [L1507] return ldv_malloc(0UL); [L1070-L1072] RET, EXPR s3c_adc_register(dev, (void (*)(struct s3c_adc_client * , unsigned int ))0, (void (*)(struct s3c_adc_client * , unsigned int , unsigned int , unsigned int * ))0, 0U) [L1070-L1072] hwmon->client = s3c_adc_register(dev, (void (*)(struct s3c_adc_client * , unsigned int ))0, (void (*)(struct s3c_adc_client * , unsigned int , unsigned int , unsigned int * ))0, 0U) [L1073] EXPR hwmon->client [L1073] CALL, EXPR IS_ERR((void const *)hwmon->client) [L1334] bool tmp ; [L1336] CALL, EXPR ldv_is_err(ptr) [L1388] return ((unsigned long )ptr > 2012UL); [L1336] RET, EXPR ldv_is_err(ptr) [L1336] tmp = ldv_is_err(ptr) [L1337] return ((long )tmp); [L1073] RET, EXPR IS_ERR((void const *)hwmon->client) [L1073] tmp___1 = IS_ERR((void const *)hwmon->client) [L1074] COND FALSE !(tmp___1 != 0L) [L1081] CALL, EXPR s3c_hwmon_add_raw(& dev->dev) [L937] return (0); [L1081] RET, EXPR s3c_hwmon_add_raw(& dev->dev) [L1081] ret = s3c_hwmon_add_raw(& dev->dev) [L1082] COND FALSE !(ret != 0) [L1086] CALL, EXPR hwmon_device_register(& dev->dev) [L1480] CALL, EXPR ldv_malloc(sizeof(struct device)) [L807] void *p ; [L808] void *tmp ; [L809] int tmp___0 ; [L811] tmp___0 = __VERIFIER_nondet_int() [L812] COND TRUE tmp___0 != 0 [L813] return ((void *)0); [L1480] RET, EXPR ldv_malloc(sizeof(struct device)) [L1480] return ldv_malloc(sizeof(struct device)); [L1086] RET, EXPR hwmon_device_register(& dev->dev) [L1086] hwmon->hwmon_dev = hwmon_device_register(& dev->dev) [L1087] EXPR hwmon->hwmon_dev [L1087] CALL, EXPR IS_ERR((void const *)hwmon->hwmon_dev) [L1334] bool tmp ; [L1336] CALL, EXPR ldv_is_err(ptr) [L1388] return ((unsigned long )ptr > 2012UL); [L1336] RET, EXPR ldv_is_err(ptr) [L1336] tmp = ldv_is_err(ptr) [L1337] return ((long )tmp); [L1087] RET, EXPR IS_ERR((void const *)hwmon->hwmon_dev) [L1087] tmp___3 = IS_ERR((void const *)hwmon->hwmon_dev) [L1088] COND FALSE !(tmp___3 != 0L) [L1095] i = 0 [L1134] COND TRUE (unsigned int )i <= 7U [L1098] EXPR pdata->in[i] [L1098] cfg = pdata->in[i] [L1099] COND FALSE !((unsigned long )cfg == (unsigned long )((struct s3c_hwmon_chcfg *)0)) [L1103] EXPR cfg->mult [L1103] COND FALSE !(cfg->mult > 65535U) [L1108] EXPR cfg->div [L1108] COND FALSE !(cfg->div == 0U) [L1113] EXPR pdata->in[i] [L1113-L1114] CALL s3c_hwmon_create_attr(& dev->dev, pdata->in[i], (struct s3c_hwmon_attr *)(& hwmon->attrs) + (unsigned int )i, i) [L999] struct sensor_device_attribute *attr ; [L1000] int ret ; [L1003] attr = & attrs->in [L1004] attr->index = channel [L1005] attr->dev_attr.attr.name = (char const *)(& attrs->in_name) [L1006] attr->dev_attr.attr.mode = 292U [L1007] attr->dev_attr.show = & s3c_hwmon_ch_show [L1008] CALL ldv_device_create_file_7(dev, (struct device_attribute const *)(& attr->dev_attr)) [L1342] int tmp ; [L1344] CALL ldv_device_create_file() [L1432] int nondetermined ; [L1433] int tmp ; [L1435] CALL, EXPR ldv_undef_int() [L862] int tmp ; [L864] tmp = __VERIFIER_nondet_int() [L865] return (tmp); [L1435] RET, EXPR ldv_undef_int() [L1435] nondetermined = ldv_undef_int() [L1436] COND TRUE nondetermined != 0 [L1437] ldv_count_2 = ldv_count_2 + 1 [L1438] COND TRUE ldv_count_1 < ldv_count_2 [L1439] CALL ldv_error() [L1368] CALL reach_error() [L12] COND FALSE !(0) [L12] __assert_fail ("0", "linux-stable-af3071a-1-130_7a-drivers--hwmon--s3c-hwmon.ko-entry_point_ldv-val-v0.8.cil.out.c", 3, __extension__ __PRETTY_FUNCTION__) - StatisticsResult: Ultimate Automizer benchmark data CFG has 62 procedures, 383 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 27.9s, OverallIterations: 4, TraceHistogramMax: 5, AutomataDifference: 12.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 952 SDtfs, 1341 SDslu, 2549 SDs, 0 SdLazy, 2620 SolverSat, 957 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 168 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=339occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 233 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 13.8s InterpolantComputationTime, 633 NumberOfCodeBlocks, 633 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 433 ConstructedInterpolants, 0 QuantifiedInterpolants, 178083 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 80/84 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...