/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --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 --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-89f541c [2020-08-28 02:25:16,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-28 02:25:16,634 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-28 02:25:16,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-28 02:25:16,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-28 02:25:16,666 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-28 02:25:16,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-28 02:25:16,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-28 02:25:16,671 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-28 02:25:16,672 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-28 02:25:16,674 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-28 02:25:16,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-28 02:25:16,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-28 02:25:16,677 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-28 02:25:16,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-28 02:25:16,679 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-28 02:25:16,680 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-28 02:25:16,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-28 02:25:16,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-28 02:25:16,686 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-28 02:25:16,688 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-28 02:25:16,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-28 02:25:16,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-28 02:25:16,692 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-28 02:25:16,695 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-28 02:25:16,696 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-28 02:25:16,696 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-28 02:25:16,697 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-28 02:25:16,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-28 02:25:16,699 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-28 02:25:16,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-28 02:25:16,700 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-28 02:25:16,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-28 02:25:16,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-28 02:25:16,703 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-28 02:25:16,704 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-28 02:25:16,705 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-28 02:25:16,705 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-28 02:25:16,705 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-28 02:25:16,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-28 02:25:16,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-28 02:25:16,708 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 [2020-08-28 02:25:16,748 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-28 02:25:16,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-28 02:25:16,750 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-28 02:25:16,750 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-28 02:25:16,750 INFO L138 SettingsManager]: * Use SBE=true [2020-08-28 02:25:16,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-28 02:25:16,751 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-28 02:25:16,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-28 02:25:16,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-28 02:25:16,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-28 02:25:16,752 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-28 02:25:16,752 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-28 02:25:16,752 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-28 02:25:16,752 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-28 02:25:16,753 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-28 02:25:16,753 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-28 02:25:16,753 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-28 02:25:16,753 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-28 02:25:16,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-28 02:25:16,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-28 02:25:16,754 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-28 02:25:16,754 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-28 02:25:16,754 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-28 02:25:16,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-28 02:25:16,755 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-28 02:25:16,755 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-28 02:25:16,755 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-28 02:25:16,755 INFO L138 SettingsManager]: * To the following directory=dump/ 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.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; [2020-08-28 02:25:17,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-28 02:25:17,405 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-28 02:25:17,409 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-28 02:25:17,411 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-28 02:25:17,412 INFO L275 PluginConnector]: CDTParser initialized [2020-08-28 02:25:17,413 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2020-08-28 02:25:17,505 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c8bfea254/f4758fd8617b4c0b944513fb66742f75/FLAG9be754ef5 [2020-08-28 02:25:18,245 INFO L306 CDTParser]: Found 1 translation units. [2020-08-28 02:25:18,247 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2020-08-28 02:25:18,285 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c8bfea254/f4758fd8617b4c0b944513fb66742f75/FLAG9be754ef5 [2020-08-28 02:25:18,359 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c8bfea254/f4758fd8617b4c0b944513fb66742f75 [2020-08-28 02:25:18,372 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-28 02:25:18,374 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-28 02:25:18,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-28 02:25:18,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-28 02:25:18,380 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-28 02:25:18,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 02:25:18" (1/1) ... [2020-08-28 02:25:18,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15c19b13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 02:25:18, skipping insertion in model container [2020-08-28 02:25:18,385 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.08 02:25:18" (1/1) ... [2020-08-28 02:25:18,395 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-28 02:25:18,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-28 02:25:19,474 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-28 02:25:19,516 INFO L203 MainTranslator]: Completed pre-run [2020-08-28 02:25:19,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-28 02:25:19,892 INFO L208 MainTranslator]: Completed translation [2020-08-28 02:25:19,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 02:25:19 WrapperNode [2020-08-28 02:25:19,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-28 02:25:19,893 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-28 02:25:19,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-28 02:25:19,894 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-28 02:25:19,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 02:25:19" (1/1) ... [2020-08-28 02:25:19,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 02:25:19" (1/1) ... [2020-08-28 02:25:19,973 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 02:25:19" (1/1) ... [2020-08-28 02:25:19,974 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 02:25:19" (1/1) ... [2020-08-28 02:25:20,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 02:25:19" (1/1) ... [2020-08-28 02:25:20,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 02:25:19" (1/1) ... [2020-08-28 02:25:20,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 02:25:19" (1/1) ... [2020-08-28 02:25:20,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-28 02:25:20,073 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-28 02:25:20,073 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-28 02:25:20,073 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-28 02:25:20,075 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 02:25:19" (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 [2020-08-28 02:25:20,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-28 02:25:20,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-28 02:25:20,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2020-08-28 02:25:20,191 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-08-28 02:25:20,192 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-08-28 02:25:20,193 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2020-08-28 02:25:20,194 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_clientdata [2020-08-28 02:25:20,194 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_functionality [2020-08-28 02:25:20,195 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_check_functionality [2020-08-28 02:25:20,195 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_get_voltage_sel [2020-08-28 02:25:20,195 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_set_voltage_sel [2020-08-28 02:25:20,197 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_probe [2020-08-28 02:25:20,197 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_remove [2020-08-28 02:25:20,197 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_init [2020-08-28 02:25:20,198 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_cleanup [2020-08-28 02:25:20,198 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-28 02:25:20,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-08-28 02:25:20,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-08-28 02:25:20,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-08-28 02:25:20,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-08-28 02:25:20,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-08-28 02:25:20,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-08-28 02:25:20,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-08-28 02:25:20,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2020-08-28 02:25:20,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-08-28 02:25:20,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2020-08-28 02:25:20,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2020-08-28 02:25:20,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-08-28 02:25:20,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-08-28 02:25:20,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-08-28 02:25:20,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-08-28 02:25:20,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-08-28 02:25:20,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-08-28 02:25:20,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-08-28 02:25:20,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-08-28 02:25:20,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-08-28 02:25:20,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-08-28 02:25:20,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-08-28 02:25:20,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-08-28 02:25:20,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-08-28 02:25:20,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-08-28 02:25:20,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-08-28 02:25:20,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-08-28 02:25:20,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-08-28 02:25:20,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mtx_of_isl_pmic [2020-08-28 02:25:20,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mtx_of_isl_pmic [2020-08-28 02:25:20,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mtx_of_isl_pmic [2020-08-28 02:25:20,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mtx_of_isl_pmic [2020-08-28 02:25:20,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mtx_of_isl_pmic [2020-08-28 02:25:20,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mtx_of_isl_pmic [2020-08-28 02:25:20,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2020-08-28 02:25:20,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-08-28 02:25:20,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-08-28 02:25:20,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-08-28 02:25:20,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-08-28 02:25:20,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-08-28 02:25:20,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-08-28 02:25:20,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-08-28 02:25:20,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-08-28 02:25:20,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-08-28 02:25:20,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-08-28 02:25:20,214 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-08-28 02:25:20,215 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-08-28 02:25:20,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-08-28 02:25:20,215 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-08-28 02:25:20,215 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-08-28 02:25:20,216 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2020-08-28 02:25:20,216 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_driver [2020-08-28 02:25:20,216 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_register_driver [2020-08-28 02:25:20,217 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte [2020-08-28 02:25:20,217 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte [2020-08-28 02:25:20,217 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-08-28 02:25:20,217 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-08-28 02:25:20,219 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-08-28 02:25:20,219 INFO L138 BoogieDeclarations]: Found implementation of procedure rdev_get_drvdata [2020-08-28 02:25:20,220 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_list_voltage_linear [2020-08-28 02:25:20,221 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_map_voltage_linear [2020-08-28 02:25:20,221 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_register [2020-08-28 02:25:20,222 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_unregister [2020-08-28 02:25:20,222 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-08-28 02:25:20,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-28 02:25:20,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-08-28 02:25:20,223 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-08-28 02:25:20,223 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-08-28 02:25:20,224 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-08-28 02:25:20,225 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-08-28 02:25:20,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-08-28 02:25:20,225 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-08-28 02:25:20,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-08-28 02:25:20,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-08-28 02:25:20,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-08-28 02:25:20,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-08-28 02:25:20,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2020-08-28 02:25:20,227 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-08-28 02:25:20,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-08-28 02:25:20,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-08-28 02:25:20,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-08-28 02:25:20,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2020-08-28 02:25:20,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2020-08-28 02:25:20,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-08-28 02:25:20,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-08-28 02:25:20,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-08-28 02:25:20,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-08-28 02:25:20,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mtx_of_isl_pmic [2020-08-28 02:25:20,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2020-08-28 02:25:20,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-08-28 02:25:20,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-08-28 02:25:20,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-08-28 02:25:20,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-28 02:25:20,230 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2020-08-28 02:25:20,231 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-08-28 02:25:20,231 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-08-28 02:25:20,231 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-08-28 02:25:20,231 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_register [2020-08-28 02:25:20,231 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_unregister [2020-08-28 02:25:20,232 INFO L130 BoogieDeclarations]: Found specification of procedure rdev_get_drvdata [2020-08-28 02:25:20,232 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_list_voltage_linear [2020-08-28 02:25:20,233 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_map_voltage_linear [2020-08-28 02:25:20,233 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte [2020-08-28 02:25:20,233 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte [2020-08-28 02:25:20,233 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2020-08-28 02:25:20,234 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_clientdata [2020-08-28 02:25:20,234 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_register_driver [2020-08-28 02:25:20,235 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_driver [2020-08-28 02:25:20,235 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_functionality [2020-08-28 02:25:20,236 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2020-08-28 02:25:20,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-28 02:25:20,236 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_check_functionality [2020-08-28 02:25:20,236 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_get_voltage_sel [2020-08-28 02:25:20,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-28 02:25:20,237 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_set_voltage_sel [2020-08-28 02:25:20,237 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_probe [2020-08-28 02:25:20,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-28 02:25:20,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-28 02:25:20,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-28 02:25:20,240 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_remove [2020-08-28 02:25:20,240 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_init [2020-08-28 02:25:20,240 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_cleanup [2020-08-28 02:25:20,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-08-28 02:25:20,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-08-28 02:25:20,241 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-28 02:25:20,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-08-28 02:25:20,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-08-28 02:25:20,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-08-28 02:25:20,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-08-28 02:25:20,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-08-28 02:25:20,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-08-28 02:25:20,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-08-28 02:25:20,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-08-28 02:25:20,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-08-28 02:25:20,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-08-28 02:25:20,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-08-28 02:25:20,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-08-28 02:25:20,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mtx_of_isl_pmic [2020-08-28 02:25:20,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mtx_of_isl_pmic [2020-08-28 02:25:20,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mtx_of_isl_pmic [2020-08-28 02:25:20,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mtx_of_isl_pmic [2020-08-28 02:25:20,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mtx_of_isl_pmic [2020-08-28 02:25:20,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-08-28 02:25:20,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-08-28 02:25:20,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-08-28 02:25:20,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-08-28 02:25:20,250 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-08-28 02:25:20,250 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-28 02:25:20,250 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-28 02:25:20,250 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-08-28 02:25:20,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-08-28 02:25:20,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-28 02:25:20,251 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-28 02:25:20,251 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-08-28 02:25:20,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-28 02:25:20,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-28 02:25:20,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-08-28 02:25:20,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-28 02:25:20,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-28 02:25:22,073 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-28 02:25:22,073 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-28 02:25:22,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 02:25:22 BoogieIcfgContainer [2020-08-28 02:25:22,082 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-28 02:25:22,084 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-28 02:25:22,084 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-28 02:25:22,088 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-28 02:25:22,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.08 02:25:18" (1/3) ... [2020-08-28 02:25:22,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21205c90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.08 02:25:22, skipping insertion in model container [2020-08-28 02:25:22,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.08 02:25:19" (2/3) ... [2020-08-28 02:25:22,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21205c90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.08 02:25:22, skipping insertion in model container [2020-08-28 02:25:22,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.08 02:25:22" (3/3) ... [2020-08-28 02:25:22,093 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2020-08-28 02:25:22,106 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-28 02:25:22,119 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-28 02:25:22,163 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-28 02:25:22,199 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-28 02:25:22,199 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-28 02:25:22,199 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-28 02:25:22,199 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-28 02:25:22,199 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-28 02:25:22,200 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-28 02:25:22,200 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-28 02:25:22,200 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-28 02:25:22,234 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states. [2020-08-28 02:25:22,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-08-28 02:25:22,246 INFO L414 BasicCegarLoop]: Found error trace [2020-08-28 02:25:22,247 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-28 02:25:22,248 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-28 02:25:22,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-28 02:25:22,257 INFO L82 PathProgramCache]: Analyzing trace with hash 918442567, now seen corresponding path program 1 times [2020-08-28 02:25:22,267 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-28 02:25:22,268 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1573895422] [2020-08-28 02:25:22,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-28 02:25:22,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-28 02:25:22,645 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-28 02:25:22,646 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Proof production must be enabled (you can do this via setOption). at de.uni_freiburg.informatik.ultimate.smtinterpol.muses.MusEnumerationScript.getInterpolants(MusEnumerationScript.java:211) at de.uni_freiburg.informatik.ultimate.smtinterpol.muses.MusEnumerationScript.getInterpolants(MusEnumerationScript.java:170) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-08-28 02:25:22,654 INFO L168 Benchmark]: Toolchain (without parser) took 4278.28 ms. Allocated memory was 138.9 MB in the beginning and 257.4 MB in the end (delta: 118.5 MB). Free memory was 97.3 MB in the beginning and 203.0 MB in the end (delta: -105.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2020-08-28 02:25:22,655 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 138.9 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-28 02:25:22,656 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1517.50 ms. Allocated memory was 138.9 MB in the beginning and 206.0 MB in the end (delta: 67.1 MB). Free memory was 97.1 MB in the beginning and 136.1 MB in the end (delta: -39.1 MB). Peak memory consumption was 41.3 MB. Max. memory is 7.1 GB. [2020-08-28 02:25:22,657 INFO L168 Benchmark]: Boogie Preprocessor took 179.40 ms. Allocated memory is still 206.0 MB. Free memory was 136.1 MB in the beginning and 128.8 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 7.1 GB. [2020-08-28 02:25:22,658 INFO L168 Benchmark]: RCFGBuilder took 2009.32 ms. Allocated memory was 206.0 MB in the beginning and 238.0 MB in the end (delta: 32.0 MB). Free memory was 128.8 MB in the beginning and 88.1 MB in the end (delta: 40.7 MB). Peak memory consumption was 72.7 MB. Max. memory is 7.1 GB. [2020-08-28 02:25:22,659 INFO L168 Benchmark]: TraceAbstraction took 566.56 ms. Allocated memory was 238.0 MB in the beginning and 257.4 MB in the end (delta: 19.4 MB). Free memory was 88.1 MB in the beginning and 203.0 MB in the end (delta: -114.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-28 02:25:22,663 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 138.9 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1517.50 ms. Allocated memory was 138.9 MB in the beginning and 206.0 MB in the end (delta: 67.1 MB). Free memory was 97.1 MB in the beginning and 136.1 MB in the end (delta: -39.1 MB). Peak memory consumption was 41.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 179.40 ms. Allocated memory is still 206.0 MB. Free memory was 136.1 MB in the beginning and 128.8 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2009.32 ms. Allocated memory was 206.0 MB in the beginning and 238.0 MB in the end (delta: 32.0 MB). Free memory was 128.8 MB in the beginning and 88.1 MB in the end (delta: 40.7 MB). Peak memory consumption was 72.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 566.56 ms. Allocated memory was 238.0 MB in the beginning and 257.4 MB in the end (delta: 19.4 MB). Free memory was 88.1 MB in the beginning and 203.0 MB in the end (delta: -114.9 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Proof production must be enabled (you can do this via setOption). de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Proof production must be enabled (you can do this via setOption).: de.uni_freiburg.informatik.ultimate.smtinterpol.muses.MusEnumerationScript.getInterpolants(MusEnumerationScript.java:211) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...