/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=SMALLEST --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 [2020-08-27 23:39:22,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-27 23:39:22,128 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-27 23:39:22,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-27 23:39:22,154 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-27 23:39:22,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-27 23:39:22,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-27 23:39:22,159 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-27 23:39:22,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-27 23:39:22,162 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-27 23:39:22,163 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-27 23:39:22,165 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-27 23:39:22,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-27 23:39:22,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-27 23:39:22,171 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-27 23:39:22,172 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-27 23:39:22,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-27 23:39:22,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-27 23:39:22,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-27 23:39:22,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-27 23:39:22,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-27 23:39:22,189 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-27 23:39:22,190 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-27 23:39:22,191 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-27 23:39:22,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-27 23:39:22,194 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-27 23:39:22,194 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-27 23:39:22,195 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-27 23:39:22,196 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-27 23:39:22,197 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-27 23:39:22,197 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-27 23:39:22,198 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-27 23:39:22,199 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-27 23:39:22,200 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-27 23:39:22,201 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-27 23:39:22,201 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-27 23:39:22,202 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-27 23:39:22,203 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-27 23:39:22,203 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-27 23:39:22,204 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-27 23:39:22,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-27 23:39:22,206 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 [2020-08-27 23:39:22,232 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-27 23:39:22,232 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-27 23:39:22,234 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-27 23:39:22,234 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-27 23:39:22,234 INFO L138 SettingsManager]: * Use SBE=true [2020-08-27 23:39:22,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-27 23:39:22,235 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-27 23:39:22,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-27 23:39:22,235 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-27 23:39:22,235 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-27 23:39:22,235 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-27 23:39:22,236 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-27 23:39:22,236 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-27 23:39:22,236 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-27 23:39:22,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-27 23:39:22,236 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-27 23:39:22,237 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-27 23:39:22,237 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-27 23:39:22,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-27 23:39:22,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-27 23:39:22,237 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-27 23:39:22,238 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-27 23:39:22,241 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-27 23:39:22,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-27 23:39:22,241 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-27 23:39:22,242 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-27 23:39:22,242 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-27 23:39:22,242 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=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-08-27 23:39:22,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-27 23:39:22,804 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-27 23:39:22,809 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-27 23:39:22,811 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-27 23:39:22,812 INFO L275 PluginConnector]: CDTParser initialized [2020-08-27 23:39:22,813 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2020-08-27 23:39:22,911 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6b246598f/cbbf95cf49044026becf26d56c7d4653/FLAG7d0d7eca1 [2020-08-27 23:39:23,662 INFO L306 CDTParser]: Found 1 translation units. [2020-08-27 23:39:23,663 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2020-08-27 23:39:23,709 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6b246598f/cbbf95cf49044026becf26d56c7d4653/FLAG7d0d7eca1 [2020-08-27 23:39:23,802 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6b246598f/cbbf95cf49044026becf26d56c7d4653 [2020-08-27 23:39:23,816 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-27 23:39:23,818 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-27 23:39:23,820 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-27 23:39:23,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-27 23:39:23,824 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-27 23:39:23,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 11:39:23" (1/1) ... [2020-08-27 23:39:23,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@243026c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:39:23, skipping insertion in model container [2020-08-27 23:39:23,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 11:39:23" (1/1) ... [2020-08-27 23:39:23,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-27 23:39:23,956 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-27 23:39:24,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-27 23:39:24,995 INFO L203 MainTranslator]: Completed pre-run [2020-08-27 23:39:25,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-27 23:39:25,235 INFO L208 MainTranslator]: Completed translation [2020-08-27 23:39:25,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:39:25 WrapperNode [2020-08-27 23:39:25,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-27 23:39:25,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-27 23:39:25,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-27 23:39:25,238 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-27 23:39:25,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:39:25" (1/1) ... [2020-08-27 23:39:25,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:39:25" (1/1) ... [2020-08-27 23:39:25,291 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:39:25" (1/1) ... [2020-08-27 23:39:25,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:39:25" (1/1) ... [2020-08-27 23:39:25,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:39:25" (1/1) ... [2020-08-27 23:39:25,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:39:25" (1/1) ... [2020-08-27 23:39:25,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:39:25" (1/1) ... [2020-08-27 23:39:25,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-27 23:39:25,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-27 23:39:25,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-27 23:39:25,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-27 23:39:25,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:39:25" (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 [2020-08-27 23:39:25,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-27 23:39:25,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-27 23:39:25,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2020-08-27 23:39:25,517 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-08-27 23:39:25,517 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-08-27 23:39:25,517 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2020-08-27 23:39:25,517 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_clientdata [2020-08-27 23:39:25,518 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_functionality [2020-08-27 23:39:25,518 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_check_functionality [2020-08-27 23:39:25,518 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_get_voltage_sel [2020-08-27 23:39:25,518 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_set_voltage_sel [2020-08-27 23:39:25,519 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_probe [2020-08-27 23:39:25,519 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_remove [2020-08-27 23:39:25,519 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_init [2020-08-27 23:39:25,519 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_cleanup [2020-08-27 23:39:25,520 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-27 23:39:25,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-08-27 23:39:25,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-08-27 23:39:25,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-08-27 23:39:25,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-08-27 23:39:25,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-08-27 23:39:25,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-08-27 23:39:25,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-08-27 23:39:25,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2020-08-27 23:39:25,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-08-27 23:39:25,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2020-08-27 23:39:25,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2020-08-27 23:39:25,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-08-27 23:39:25,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-08-27 23:39:25,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-08-27 23:39:25,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-08-27 23:39:25,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-08-27 23:39:25,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-08-27 23:39:25,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-08-27 23:39:25,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-08-27 23:39:25,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-08-27 23:39:25,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-08-27 23:39:25,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-08-27 23:39:25,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-08-27 23:39:25,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-08-27 23:39:25,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-08-27 23:39:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-08-27 23:39:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-08-27 23:39:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-08-27 23:39:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mtx_of_isl_pmic [2020-08-27 23:39:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mtx_of_isl_pmic [2020-08-27 23:39:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mtx_of_isl_pmic [2020-08-27 23:39:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mtx_of_isl_pmic [2020-08-27 23:39:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mtx_of_isl_pmic [2020-08-27 23:39:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mtx_of_isl_pmic [2020-08-27 23:39:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2020-08-27 23:39:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-08-27 23:39:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-08-27 23:39:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-08-27 23:39:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-08-27 23:39:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-08-27 23:39:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-08-27 23:39:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-08-27 23:39:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-08-27 23:39:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-08-27 23:39:25,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-08-27 23:39:25,530 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-08-27 23:39:25,530 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-08-27 23:39:25,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-08-27 23:39:25,530 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-08-27 23:39:25,531 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-08-27 23:39:25,531 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2020-08-27 23:39:25,531 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_driver [2020-08-27 23:39:25,531 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_register_driver [2020-08-27 23:39:25,531 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte [2020-08-27 23:39:25,532 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte [2020-08-27 23:39:25,532 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-08-27 23:39:25,532 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-08-27 23:39:25,532 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-08-27 23:39:25,532 INFO L138 BoogieDeclarations]: Found implementation of procedure rdev_get_drvdata [2020-08-27 23:39:25,533 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_list_voltage_linear [2020-08-27 23:39:25,533 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_map_voltage_linear [2020-08-27 23:39:25,533 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_register [2020-08-27 23:39:25,533 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_unregister [2020-08-27 23:39:25,554 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-08-27 23:39:25,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-27 23:39:25,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-08-27 23:39:25,555 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-08-27 23:39:25,555 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-08-27 23:39:25,555 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-08-27 23:39:25,556 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-08-27 23:39:25,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-08-27 23:39:25,556 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-08-27 23:39:25,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-08-27 23:39:25,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-08-27 23:39:25,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-08-27 23:39:25,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-08-27 23:39:25,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2020-08-27 23:39:25,557 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-08-27 23:39:25,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-08-27 23:39:25,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-08-27 23:39:25,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-08-27 23:39:25,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2020-08-27 23:39:25,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2020-08-27 23:39:25,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-08-27 23:39:25,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-08-27 23:39:25,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-08-27 23:39:25,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-08-27 23:39:25,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mtx_of_isl_pmic [2020-08-27 23:39:25,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2020-08-27 23:39:25,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-08-27 23:39:25,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-08-27 23:39:25,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-08-27 23:39:25,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-27 23:39:25,560 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2020-08-27 23:39:25,560 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-08-27 23:39:25,560 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-08-27 23:39:25,560 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-08-27 23:39:25,560 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_register [2020-08-27 23:39:25,561 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_unregister [2020-08-27 23:39:25,561 INFO L130 BoogieDeclarations]: Found specification of procedure rdev_get_drvdata [2020-08-27 23:39:25,561 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_list_voltage_linear [2020-08-27 23:39:25,561 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_map_voltage_linear [2020-08-27 23:39:25,561 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte [2020-08-27 23:39:25,561 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte [2020-08-27 23:39:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2020-08-27 23:39:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_clientdata [2020-08-27 23:39:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_register_driver [2020-08-27 23:39:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_driver [2020-08-27 23:39:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_functionality [2020-08-27 23:39:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2020-08-27 23:39:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-27 23:39:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_check_functionality [2020-08-27 23:39:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_get_voltage_sel [2020-08-27 23:39:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-27 23:39:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_set_voltage_sel [2020-08-27 23:39:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_probe [2020-08-27 23:39:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-27 23:39:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-27 23:39:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-27 23:39:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_remove [2020-08-27 23:39:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_init [2020-08-27 23:39:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_cleanup [2020-08-27 23:39:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-08-27 23:39:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-08-27 23:39:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-27 23:39:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-08-27 23:39:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-08-27 23:39:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-08-27 23:39:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-08-27 23:39:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-08-27 23:39:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-08-27 23:39:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-08-27 23:39:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-08-27 23:39:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-08-27 23:39:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-08-27 23:39:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-08-27 23:39:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-08-27 23:39:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mtx_of_isl_pmic [2020-08-27 23:39:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mtx_of_isl_pmic [2020-08-27 23:39:25,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mtx_of_isl_pmic [2020-08-27 23:39:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mtx_of_isl_pmic [2020-08-27 23:39:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mtx_of_isl_pmic [2020-08-27 23:39:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-08-27 23:39:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-08-27 23:39:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-08-27 23:39:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-08-27 23:39:25,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-08-27 23:39:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-27 23:39:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-27 23:39:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-08-27 23:39:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-08-27 23:39:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-27 23:39:25,569 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-27 23:39:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-08-27 23:39:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-27 23:39:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-27 23:39:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-08-27 23:39:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-27 23:39:25,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-27 23:39:27,028 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-27 23:39:27,029 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-27 23:39:27,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 11:39:27 BoogieIcfgContainer [2020-08-27 23:39:27,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-27 23:39:27,043 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-27 23:39:27,044 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-27 23:39:27,048 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-27 23:39:27,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 11:39:23" (1/3) ... [2020-08-27 23:39:27,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@374b522c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 11:39:27, skipping insertion in model container [2020-08-27 23:39:27,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:39:25" (2/3) ... [2020-08-27 23:39:27,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@374b522c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 11:39:27, skipping insertion in model container [2020-08-27 23:39:27,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 11:39:27" (3/3) ... [2020-08-27 23:39:27,053 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2020-08-27 23:39:27,064 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-27 23:39:27,076 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-27 23:39:27,098 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-27 23:39:27,143 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-27 23:39:27,143 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-27 23:39:27,144 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-27 23:39:27,144 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-27 23:39:27,144 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-27 23:39:27,144 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-27 23:39:27,144 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-27 23:39:27,144 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-27 23:39:27,176 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states. [2020-08-27 23:39:27,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-08-27 23:39:27,187 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 23:39:27,188 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] [2020-08-27 23:39:27,215 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 23:39:27,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 23:39:27,222 INFO L82 PathProgramCache]: Analyzing trace with hash 918442567, now seen corresponding path program 1 times [2020-08-27 23:39:27,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 23:39:27,232 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [904017154] [2020-08-27 23:39:27,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 23:39:27,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 23:39:27,588 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-27 23:39:27,589 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) [2020-08-27 23:39:27,597 INFO L168 Benchmark]: Toolchain (without parser) took 3776.98 ms. Allocated memory was 106.4 MB in the beginning and 221.8 MB in the end (delta: 115.3 MB). Free memory was 68.0 MB in the beginning and 171.6 MB in the end (delta: -103.6 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. [2020-08-27 23:39:27,600 INFO L168 Benchmark]: CDTParser took 1.26 ms. Allocated memory is still 106.4 MB. Free memory was 89.2 MB in the beginning and 89.1 MB in the end (delta: 105.0 kB). Peak memory consumption was 105.0 kB. Max. memory is 7.1 GB. [2020-08-27 23:39:27,601 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1418.12 ms. Allocated memory was 106.4 MB in the beginning and 167.2 MB in the end (delta: 60.8 MB). Free memory was 67.7 MB in the beginning and 102.2 MB in the end (delta: -34.4 MB). Peak memory consumption was 32.6 MB. Max. memory is 7.1 GB. [2020-08-27 23:39:27,602 INFO L168 Benchmark]: Boogie Preprocessor took 189.21 ms. Allocated memory is still 167.2 MB. Free memory was 102.2 MB in the beginning and 95.0 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 7.1 GB. [2020-08-27 23:39:27,603 INFO L168 Benchmark]: RCFGBuilder took 1613.24 ms. Allocated memory was 167.2 MB in the beginning and 191.4 MB in the end (delta: 24.1 MB). Free memory was 95.0 MB in the beginning and 91.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 34.2 MB. Max. memory is 7.1 GB. [2020-08-27 23:39:27,605 INFO L168 Benchmark]: TraceAbstraction took 549.63 ms. Allocated memory was 191.4 MB in the beginning and 221.8 MB in the end (delta: 30.4 MB). Free memory was 91.3 MB in the beginning and 171.6 MB in the end (delta: -80.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-27 23:39:27,615 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.26 ms. Allocated memory is still 106.4 MB. Free memory was 89.2 MB in the beginning and 89.1 MB in the end (delta: 105.0 kB). Peak memory consumption was 105.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1418.12 ms. Allocated memory was 106.4 MB in the beginning and 167.2 MB in the end (delta: 60.8 MB). Free memory was 67.7 MB in the beginning and 102.2 MB in the end (delta: -34.4 MB). Peak memory consumption was 32.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 189.21 ms. Allocated memory is still 167.2 MB. Free memory was 102.2 MB in the beginning and 95.0 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1613.24 ms. Allocated memory was 167.2 MB in the beginning and 191.4 MB in the end (delta: 24.1 MB). Free memory was 95.0 MB in the beginning and 91.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 34.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 549.63 ms. Allocated memory was 191.4 MB in the beginning and 221.8 MB in the end (delta: 30.4 MB). Free memory was 91.3 MB in the beginning and 171.6 MB in the end (delta: -80.3 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...