/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-99e0210 [2023-03-23 17:44:26,265 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-23 17:44:26,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-23 17:44:26,305 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-23 17:44:26,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-23 17:44:26,308 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-23 17:44:26,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-23 17:44:26,313 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-23 17:44:26,315 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-23 17:44:26,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-23 17:44:26,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-23 17:44:26,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-23 17:44:26,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-23 17:44:26,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-23 17:44:26,325 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-23 17:44:26,326 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-23 17:44:26,327 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-23 17:44:26,327 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-23 17:44:26,330 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-23 17:44:26,335 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-23 17:44:26,336 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-23 17:44:26,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-23 17:44:26,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-23 17:44:26,339 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-23 17:44:26,347 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-23 17:44:26,347 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-23 17:44:26,347 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-23 17:44:26,349 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-23 17:44:26,349 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-23 17:44:26,350 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-23 17:44:26,350 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-23 17:44:26,350 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-23 17:44:26,352 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-23 17:44:26,352 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-23 17:44:26,353 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-23 17:44:26,353 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-23 17:44:26,354 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-23 17:44:26,354 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-23 17:44:26,354 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-23 17:44:26,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-23 17:44:26,355 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-23 17:44:26,356 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2023-03-23 17:44:26,383 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-23 17:44:26,384 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-23 17:44:26,384 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-23 17:44:26,384 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-23 17:44:26,386 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-23 17:44:26,386 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-23 17:44:26,386 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-23 17:44:26,386 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-23 17:44:26,387 INFO L138 SettingsManager]: * Use SBE=true [2023-03-23 17:44:26,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-23 17:44:26,387 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-23 17:44:26,388 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-23 17:44:26,388 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-23 17:44:26,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-23 17:44:26,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-23 17:44:26,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-23 17:44:26,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-23 17:44:26,388 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-23 17:44:26,389 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-23 17:44:26,389 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-23 17:44:26,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-23 17:44:26,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-23 17:44:26,389 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-23 17:44:26,389 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-03-23 17:44:26,389 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-23 17:44:26,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 17:44:26,390 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-23 17:44:26,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-23 17:44:26,390 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-23 17:44:26,390 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-23 17:44:26,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-23 17:44:26,391 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-03-23 17:44:26,391 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-03-23 17:44:26,391 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-23 17:44:26,391 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2023-03-23 17:44:26,391 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-23 17:44:26,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-23 17:44:26,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-23 17:44:26,624 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-23 17:44:26,625 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-23 17:44:26,625 INFO L275 PluginConnector]: CDTParser initialized [2023-03-23 17:44:26,626 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2023-03-23 17:44:27,830 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-23 17:44:28,314 INFO L351 CDTParser]: Found 1 translation units. [2023-03-23 17:44:28,315 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2023-03-23 17:44:28,353 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4a43b326/f767f07633e04e17aa2f53d0fc9c7659/FLAG335aebed7 [2023-03-23 17:44:28,370 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4a43b326/f767f07633e04e17aa2f53d0fc9c7659 [2023-03-23 17:44:28,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-23 17:44:28,374 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-03-23 17:44:28,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-23 17:44:28,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-23 17:44:28,380 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-23 17:44:28,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 05:44:28" (1/1) ... [2023-03-23 17:44:28,382 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c75aa28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:44:28, skipping insertion in model container [2023-03-23 17:44:28,382 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 05:44:28" (1/1) ... [2023-03-23 17:44:28,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-23 17:44:28,487 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-23 17:44:28,826 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2023-03-23 17:44:32,529 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-03-23 17:44:33,172 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 17:44:33,187 INFO L203 MainTranslator]: Completed pre-run [2023-03-23 17:44:33,209 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2023-03-23 17:44:33,353 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-03-23 17:44:33,419 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 17:44:34,006 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-03-23 17:44:34,007 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-03-23 17:44:34,007 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-03-23 17:44:34,007 WARN L667 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-03-23 17:44:34,007 WARN L667 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-03-23 17:44:34,007 WARN L667 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-03-23 17:44:34,007 WARN L667 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-03-23 17:44:34,013 INFO L208 MainTranslator]: Completed translation [2023-03-23 17:44:34,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:44:34 WrapperNode [2023-03-23 17:44:34,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-23 17:44:34,015 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-03-23 17:44:34,015 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-03-23 17:44:34,015 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-03-23 17:44:34,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:44:34" (1/1) ... [2023-03-23 17:44:34,112 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:44:34" (1/1) ... [2023-03-23 17:44:34,188 INFO L138 Inliner]: procedures = 1354, calls = 1452, calls flagged for inlining = 347, calls inlined = 19, statements flattened = 323 [2023-03-23 17:44:34,189 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-03-23 17:44:34,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-23 17:44:34,189 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-23 17:44:34,189 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-23 17:44:34,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:44:34" (1/1) ... [2023-03-23 17:44:34,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:44:34" (1/1) ... [2023-03-23 17:44:34,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:44:34" (1/1) ... [2023-03-23 17:44:34,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:44:34" (1/1) ... [2023-03-23 17:44:34,231 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:44:34" (1/1) ... [2023-03-23 17:44:34,246 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:44:34" (1/1) ... [2023-03-23 17:44:34,262 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:44:34" (1/1) ... [2023-03-23 17:44:34,265 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:44:34" (1/1) ... [2023-03-23 17:44:34,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-23 17:44:34,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-23 17:44:34,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-23 17:44:34,272 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-23 17:44:34,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:44:34" (1/1) ... [2023-03-23 17:44:34,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 17:44:34,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 17:44:34,312 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-23 17:44:34,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-23 17:44:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-23 17:44:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-23 17:44:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2023-03-23 17:44:34,351 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2023-03-23 17:44:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-23 17:44:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-23 17:44:34,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-23 17:44:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-03-23 17:44:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-23 17:44:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-23 17:44:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_read_nvram [2023-03-23 17:44:34,351 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_read_nvram [2023-03-23 17:44:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-03-23 17:44:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-23 17:44:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-03-23 17:44:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-03-23 17:44:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-23 17:44:34,355 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-03-23 17:44:34,801 INFO L236 CfgBuilder]: Building ICFG [2023-03-23 17:44:34,802 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-23 17:44:35,191 INFO L277 CfgBuilder]: Performing block encoding [2023-03-23 17:44:35,226 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-23 17:44:35,227 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-23 17:44:35,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 05:44:35 BoogieIcfgContainer [2023-03-23 17:44:35,229 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-23 17:44:35,231 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-23 17:44:35,231 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-23 17:44:35,234 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-23 17:44:35,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.03 05:44:28" (1/3) ... [2023-03-23 17:44:35,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27472a77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 05:44:35, skipping insertion in model container [2023-03-23 17:44:35,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 05:44:34" (2/3) ... [2023-03-23 17:44:35,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27472a77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 05:44:35, skipping insertion in model container [2023-03-23 17:44:35,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 05:44:35" (3/3) ... [2023-03-23 17:44:35,236 INFO L112 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2023-03-23 17:44:35,243 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-03-23 17:44:35,251 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-23 17:44:35,251 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-23 17:44:35,251 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-03-23 17:44:35,406 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-03-23 17:44:35,447 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 17:44:35,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-03-23 17:44:35,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 17:44:35,451 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-03-23 17:44:35,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-03-23 17:44:35,484 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-03-23 17:44:35,500 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-23 17:44:35,508 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3075ee66, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 17:44:35,508 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-03-23 17:44:35,749 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-03-23 17:44:35,755 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 17:44:35,756 INFO L85 PathProgramCache]: Analyzing trace with hash -312110558, now seen corresponding path program 1 times [2023-03-23 17:44:35,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 17:44:35,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751504811] [2023-03-23 17:44:35,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 17:44:35,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 17:44:36,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 17:44:36,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 17:44:36,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 17:44:36,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751504811] [2023-03-23 17:44:36,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751504811] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 17:44:36,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 17:44:36,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-23 17:44:36,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014555680] [2023-03-23 17:44:36,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 17:44:36,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-23 17:44:36,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 17:44:36,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-23 17:44:36,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-23 17:44:36,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 17:44:36,436 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 17:44:36,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 108.0) internal successors, (216), 2 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-23 17:44:36,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 17:44:36,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 17:44:36,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-23 17:44:36,526 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-03-23 17:44:36,526 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 17:44:36,527 INFO L85 PathProgramCache]: Analyzing trace with hash 175813753, now seen corresponding path program 1 times [2023-03-23 17:44:36,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 17:44:36,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861237326] [2023-03-23 17:44:36,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 17:44:36,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 17:44:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 17:44:37,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 17:44:37,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 17:44:37,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861237326] [2023-03-23 17:44:37,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861237326] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 17:44:37,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 17:44:37,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-23 17:44:37,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284473137] [2023-03-23 17:44:37,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 17:44:37,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-23 17:44:37,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 17:44:37,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-23 17:44:37,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-03-23 17:44:37,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 17:44:37,264 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 17:44:37,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 35.833333333333336) internal successors, (215), 6 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-23 17:44:37,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 17:44:37,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 17:44:37,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 17:44:37,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-23 17:44:37,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-23 17:44:37,606 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-03-23 17:44:37,607 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 17:44:37,607 INFO L85 PathProgramCache]: Analyzing trace with hash -277132993, now seen corresponding path program 1 times [2023-03-23 17:44:37,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 17:44:37,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243461556] [2023-03-23 17:44:37,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 17:44:37,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 17:44:37,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 17:44:39,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 17:44:39,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 17:44:39,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243461556] [2023-03-23 17:44:39,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243461556] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 17:44:39,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 17:44:39,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-03-23 17:44:39,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227355758] [2023-03-23 17:44:39,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 17:44:39,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-03-23 17:44:39,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 17:44:39,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-03-23 17:44:39,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2023-03-23 17:44:39,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 17:44:39,358 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 17:44:39,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 16.214285714285715) internal successors, (227), 14 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-23 17:44:39,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 17:44:39,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-03-23 17:44:39,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 17:44:40,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 17:44:40,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-23 17:44:40,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-03-23 17:44:40,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-23 17:44:40,236 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-03-23 17:44:40,236 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 17:44:40,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1227201806, now seen corresponding path program 1 times [2023-03-23 17:44:40,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 17:44:40,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984142595] [2023-03-23 17:44:40,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 17:44:40,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 17:44:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 17:44:42,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 17:44:42,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 17:44:42,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984142595] [2023-03-23 17:44:42,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984142595] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 17:44:42,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 17:44:42,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-03-23 17:44:42,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691253885] [2023-03-23 17:44:42,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 17:44:42,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-03-23 17:44:42,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 17:44:42,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-03-23 17:44:42,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2023-03-23 17:44:42,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 17:44:42,334 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 17:44:42,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 15.375) internal successors, (246), 16 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-23 17:44:42,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 17:44:42,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-03-23 17:44:42,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-03-23 17:44:42,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 17:44:54,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 17:44:54,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-23 17:44:54,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-03-23 17:44:54,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-03-23 17:44:54,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-23 17:44:54,555 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-03-23 17:44:54,556 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-23 17:44:54,557 INFO L85 PathProgramCache]: Analyzing trace with hash -947939703, now seen corresponding path program 2 times [2023-03-23 17:44:54,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-23 17:44:54,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17958872] [2023-03-23 17:44:54,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-23 17:44:54,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-23 17:44:54,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-23 17:44:55,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-23 17:44:55,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-23 17:44:55,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17958872] [2023-03-23 17:44:55,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17958872] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-23 17:44:55,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-23 17:44:55,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-03-23 17:44:55,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432749155] [2023-03-23 17:44:55,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-23 17:44:55,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-03-23 17:44:55,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-23 17:44:55,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-03-23 17:44:55,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-03-23 17:44:55,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 17:44:55,400 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-03-23 17:44:55,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 17.916666666666668) internal successors, (215), 12 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-23 17:44:55,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 17:44:55,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-03-23 17:44:55,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-03-23 17:44:55,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-03-23 17:44:55,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-03-23 17:44:58,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-23 17:44:58,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-23 17:44:58,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-03-23 17:44:58,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-03-23 17:44:58,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-23 17:44:58,716 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-03-23 17:44:58,717 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-03-23 17:44:58,717 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-03-23 17:44:58,717 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_read_nvramErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2023-03-23 17:44:58,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-23 17:44:58,726 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2023-03-23 17:44:58,729 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-03-23 17:44:58,730 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-23 17:44:58,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.03 05:44:58 BasicIcfg [2023-03-23 17:44:58,734 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-23 17:44:58,734 INFO L158 Benchmark]: Toolchain (without parser) took 30360.17ms. Allocated memory was 213.9MB in the beginning and 496.0MB in the end (delta: 282.1MB). Free memory was 154.5MB in the beginning and 264.0MB in the end (delta: -109.5MB). Peak memory consumption was 174.5MB. Max. memory is 8.0GB. [2023-03-23 17:44:58,735 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 178.3MB. Free memory is still 125.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-23 17:44:58,735 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5637.17ms. Allocated memory is still 213.9MB. Free memory was 154.5MB in the beginning and 96.0MB in the end (delta: 58.6MB). Peak memory consumption was 114.2MB. Max. memory is 8.0GB. [2023-03-23 17:44:58,737 INFO L158 Benchmark]: Boogie Procedure Inliner took 174.05ms. Allocated memory is still 213.9MB. Free memory was 95.4MB in the beginning and 86.5MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-03-23 17:44:58,740 INFO L158 Benchmark]: Boogie Preprocessor took 81.55ms. Allocated memory is still 213.9MB. Free memory was 86.5MB in the beginning and 82.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-03-23 17:44:58,742 INFO L158 Benchmark]: RCFGBuilder took 957.74ms. Allocated memory is still 213.9MB. Free memory was 82.3MB in the beginning and 121.3MB in the end (delta: -39.0MB). Peak memory consumption was 21.3MB. Max. memory is 8.0GB. [2023-03-23 17:44:58,742 INFO L158 Benchmark]: TraceAbstraction took 23503.00ms. Allocated memory was 213.9MB in the beginning and 496.0MB in the end (delta: 282.1MB). Free memory was 120.8MB in the beginning and 264.0MB in the end (delta: -143.3MB). Peak memory consumption was 138.3MB. Max. memory is 8.0GB. [2023-03-23 17:44:58,745 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 178.3MB. Free memory is still 125.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 5637.17ms. Allocated memory is still 213.9MB. Free memory was 154.5MB in the beginning and 96.0MB in the end (delta: 58.6MB). Peak memory consumption was 114.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 174.05ms. Allocated memory is still 213.9MB. Free memory was 95.4MB in the beginning and 86.5MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 81.55ms. Allocated memory is still 213.9MB. Free memory was 86.5MB in the beginning and 82.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 957.74ms. Allocated memory is still 213.9MB. Free memory was 82.3MB in the beginning and 121.3MB in the end (delta: -39.0MB). Peak memory consumption was 21.3MB. Max. memory is 8.0GB. * TraceAbstraction took 23503.00ms. Allocated memory was 213.9MB in the beginning and 496.0MB in the end (delta: 282.1MB). Free memory was 120.8MB in the beginning and 264.0MB in the end (delta: -143.3MB). Peak memory consumption was 138.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 55628, independent: 53662, independent conditional: 53662, independent unconditional: 0, dependent: 1949, dependent conditional: 1949, dependent unconditional: 0, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 54008, independent: 53662, independent conditional: 53662, independent unconditional: 0, dependent: 329, dependent conditional: 329, dependent unconditional: 0, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 54008, independent: 53662, independent conditional: 53662, independent unconditional: 0, dependent: 329, dependent conditional: 329, dependent unconditional: 0, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 54938, independent: 53662, independent conditional: 29, independent unconditional: 53633, dependent: 1216, dependent conditional: 859, dependent unconditional: 357, unknown: 60, unknown conditional: 42, unknown unconditional: 18] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 54938, independent: 53662, independent conditional: 29, independent unconditional: 53633, dependent: 1216, dependent conditional: 216, dependent unconditional: 1000, unknown: 60, unknown conditional: 42, unknown unconditional: 18] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 54938, independent: 53662, independent conditional: 29, independent unconditional: 53633, dependent: 1216, dependent conditional: 216, dependent unconditional: 1000, unknown: 60, unknown conditional: 42, unknown unconditional: 18] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4130, independent: 4040, independent conditional: 8, independent unconditional: 4032, dependent: 79, dependent conditional: 67, dependent unconditional: 12, unknown: 11, unknown conditional: 8, unknown unconditional: 3] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4130, independent: 4032, independent conditional: 0, independent unconditional: 4032, dependent: 98, dependent conditional: 0, dependent unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 98, independent: 8, independent conditional: 8, independent unconditional: 0, dependent: 79, dependent conditional: 67, dependent unconditional: 12, unknown: 11, unknown conditional: 8, unknown unconditional: 3] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 98, independent: 8, independent conditional: 8, independent unconditional: 0, dependent: 79, dependent conditional: 67, dependent unconditional: 12, unknown: 11, unknown conditional: 8, unknown unconditional: 3] , SemanticIndependenceRelation.Query Time [ms]: [ total: 12660, independent: 248, independent conditional: 248, independent unconditional: 0, dependent: 479, dependent conditional: 336, dependent unconditional: 143, unknown: 11933, unknown conditional: 8626, unknown unconditional: 3308] , Protected Queries: 0 ], Cache Queries: [ total: 54938, independent: 49622, independent conditional: 21, independent unconditional: 49601, dependent: 1137, dependent conditional: 149, dependent unconditional: 988, unknown: 4179, unknown conditional: 117, unknown unconditional: 4062] , Statistics on independence cache: Total cache size (in pairs): 4119, Positive cache size: 4040, Positive conditional cache size: 8, Positive unconditional cache size: 4032, Negative cache size: 79, Negative conditional cache size: 67, Negative unconditional cache size: 12, Unknown cache size: 11, Unknown conditional cache size: 8, Unknown unconditional cache size: 3, Eliminated conditions: 643, Maximal queried relation: 4, Independence queries for same thread: 1620 - PositiveResult [Line: 174]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 458 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 23.3s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 17.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 87, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 1119 NumberOfCodeBlocks, 1119 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 1114 ConstructedInterpolants, 0 QuantifiedInterpolants, 3967 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-03-23 17:44:58,789 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2023-03-23 17:44:58,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...