./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-ext/02_inc_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 02:43:14,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 02:43:14,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 02:43:14,241 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 02:43:14,242 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 02:43:14,245 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 02:43:14,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 02:43:14,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 02:43:14,253 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 02:43:14,254 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 02:43:14,255 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 02:43:14,257 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 02:43:14,258 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 02:43:14,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 02:43:14,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 02:43:14,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 02:43:14,273 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 02:43:14,274 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 02:43:14,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 02:43:14,278 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 02:43:14,283 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 02:43:14,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 02:43:14,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 02:43:14,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 02:43:14,289 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 02:43:14,290 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 02:43:14,291 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 02:43:14,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 02:43:14,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 02:43:14,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 02:43:14,295 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 02:43:14,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 02:43:14,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 02:43:14,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 02:43:14,298 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 02:43:14,299 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 02:43:14,300 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 02:43:14,300 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 02:43:14,300 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 02:43:14,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 02:43:14,302 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 02:43:14,303 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-16 02:43:14,328 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 02:43:14,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 02:43:14,328 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 02:43:14,328 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 02:43:14,329 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 02:43:14,329 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 02:43:14,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 02:43:14,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 02:43:14,330 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 02:43:14,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 02:43:14,331 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 02:43:14,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 02:43:14,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 02:43:14,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 02:43:14,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 02:43:14,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 02:43:14,332 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 02:43:14,332 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 02:43:14,332 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 02:43:14,333 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 02:43:14,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 02:43:14,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 02:43:14,333 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 02:43:14,333 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 02:43:14,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 02:43:14,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 02:43:14,334 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 02:43:14,334 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 02:43:14,335 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 02:43:14,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 02:43:14,335 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 02:43:14,335 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 02:43:14,335 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 02:43:14,335 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 02:43:14,336 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2021-12-16 02:43:14,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 02:43:14,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 02:43:14,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 02:43:14,616 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 02:43:14,616 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 02:43:14,617 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-12-16 02:43:14,676 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a530bc561/20d211a5ea8f4209b51c10a59ed40957/FLAG57743da91 [2021-12-16 02:43:15,105 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 02:43:15,111 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-12-16 02:43:15,123 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a530bc561/20d211a5ea8f4209b51c10a59ed40957/FLAG57743da91 [2021-12-16 02:43:15,139 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a530bc561/20d211a5ea8f4209b51c10a59ed40957 [2021-12-16 02:43:15,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 02:43:15,144 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 02:43:15,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 02:43:15,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 02:43:15,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 02:43:15,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 02:43:15" (1/1) ... [2021-12-16 02:43:15,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e5a2cb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:43:15, skipping insertion in model container [2021-12-16 02:43:15,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 02:43:15" (1/1) ... [2021-12-16 02:43:15,154 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 02:43:15,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 02:43:15,391 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-12-16 02:43:15,494 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-12-16 02:43:15,500 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 02:43:15,509 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 02:43:15,521 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-12-16 02:43:15,539 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-12-16 02:43:15,541 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 02:43:15,569 INFO L208 MainTranslator]: Completed translation [2021-12-16 02:43:15,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:43:15 WrapperNode [2021-12-16 02:43:15,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 02:43:15,571 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 02:43:15,571 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 02:43:15,572 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 02:43:15,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:43:15" (1/1) ... [2021-12-16 02:43:15,602 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:43:15" (1/1) ... [2021-12-16 02:43:15,627 INFO L137 Inliner]: procedures = 171, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2021-12-16 02:43:15,629 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 02:43:15,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 02:43:15,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 02:43:15,630 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 02:43:15,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:43:15" (1/1) ... [2021-12-16 02:43:15,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:43:15" (1/1) ... [2021-12-16 02:43:15,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:43:15" (1/1) ... [2021-12-16 02:43:15,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:43:15" (1/1) ... [2021-12-16 02:43:15,661 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:43:15" (1/1) ... [2021-12-16 02:43:15,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:43:15" (1/1) ... [2021-12-16 02:43:15,669 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:43:15" (1/1) ... [2021-12-16 02:43:15,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 02:43:15,678 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 02:43:15,678 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 02:43:15,678 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 02:43:15,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:43:15" (1/1) ... [2021-12-16 02:43:15,689 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 02:43:15,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 02:43:15,711 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) [2021-12-16 02:43:15,721 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 [2021-12-16 02:43:15,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 02:43:15,746 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-12-16 02:43:15,746 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-12-16 02:43:15,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 02:43:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-16 02:43:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 02:43:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 02:43:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 02:43:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 02:43:15,749 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-16 02:43:15,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 02:43:15,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 02:43:15,750 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-16 02:43:15,877 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 02:43:15,878 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 02:43:16,030 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 02:43:16,090 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 02:43:16,091 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-16 02:43:16,092 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2021-12-16 02:43:16,093 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-16 02:43:16,100 INFO L158 Benchmark]: Toolchain (without parser) took 955.68ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 70.3MB in the beginning and 97.5MB in the end (delta: -27.2MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2021-12-16 02:43:16,101 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 100.7MB. Free memory was 57.0MB in the beginning and 57.0MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 02:43:16,101 INFO L158 Benchmark]: CACSL2BoogieTranslator took 426.13ms. Allocated memory is still 100.7MB. Free memory was 70.3MB in the beginning and 67.8MB in the end (delta: 2.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-16 02:43:16,102 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.48ms. Allocated memory is still 100.7MB. Free memory was 67.8MB in the beginning and 65.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 02:43:16,103 INFO L158 Benchmark]: Boogie Preprocessor took 47.85ms. Allocated memory is still 100.7MB. Free memory was 65.3MB in the beginning and 63.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 02:43:16,103 INFO L158 Benchmark]: RCFGBuilder took 420.72ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 63.6MB in the beginning and 97.5MB in the end (delta: -33.9MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2021-12-16 02:43:16,106 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 100.7MB. Free memory was 57.0MB in the beginning and 57.0MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 426.13ms. Allocated memory is still 100.7MB. Free memory was 70.3MB in the beginning and 67.8MB in the end (delta: 2.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.48ms. Allocated memory is still 100.7MB. Free memory was 67.8MB in the beginning and 65.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.85ms. Allocated memory is still 100.7MB. Free memory was 65.3MB in the beginning and 63.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 420.72ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 63.6MB in the beginning and 97.5MB in the end (delta: -33.9MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-16 02:43:16,140 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 02:43:18,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 02:43:18,096 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 02:43:18,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 02:43:18,131 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 02:43:18,133 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 02:43:18,136 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 02:43:18,141 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 02:43:18,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 02:43:18,146 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 02:43:18,148 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 02:43:18,152 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 02:43:18,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 02:43:18,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 02:43:18,157 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 02:43:18,159 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 02:43:18,160 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 02:43:18,161 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 02:43:18,165 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 02:43:18,168 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 02:43:18,172 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 02:43:18,173 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 02:43:18,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 02:43:18,175 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 02:43:18,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 02:43:18,183 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 02:43:18,183 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 02:43:18,184 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 02:43:18,185 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 02:43:18,186 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 02:43:18,186 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 02:43:18,187 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 02:43:18,188 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 02:43:18,189 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 02:43:18,190 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 02:43:18,190 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 02:43:18,191 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 02:43:18,191 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 02:43:18,191 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 02:43:18,192 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 02:43:18,193 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 02:43:18,194 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-16 02:43:18,233 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 02:43:18,233 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 02:43:18,234 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 02:43:18,235 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 02:43:18,235 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 02:43:18,236 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 02:43:18,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 02:43:18,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 02:43:18,237 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 02:43:18,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 02:43:18,238 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 02:43:18,239 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 02:43:18,239 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 02:43:18,239 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 02:43:18,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 02:43:18,239 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 02:43:18,239 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-16 02:43:18,240 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-16 02:43:18,240 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-16 02:43:18,240 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 02:43:18,240 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 02:43:18,240 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 02:43:18,240 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 02:43:18,241 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 02:43:18,241 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 02:43:18,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 02:43:18,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 02:43:18,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 02:43:18,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 02:43:18,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 02:43:18,242 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-16 02:43:18,242 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-16 02:43:18,243 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 02:43:18,243 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 02:43:18,243 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 02:43:18,243 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 02:43:18,243 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-16 02:43:18,244 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2021-12-16 02:43:18,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 02:43:18,574 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 02:43:18,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 02:43:18,579 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 02:43:18,580 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 02:43:18,582 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-12-16 02:43:18,639 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ca004545/2b1c78514d6949859a7a8251840f0410/FLAGf385a8a1c [2021-12-16 02:43:19,184 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 02:43:19,188 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-12-16 02:43:19,200 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ca004545/2b1c78514d6949859a7a8251840f0410/FLAGf385a8a1c [2021-12-16 02:43:19,668 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ca004545/2b1c78514d6949859a7a8251840f0410 [2021-12-16 02:43:19,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 02:43:19,671 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 02:43:19,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 02:43:19,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 02:43:19,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 02:43:19,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 02:43:19" (1/1) ... [2021-12-16 02:43:19,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4195f12f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:43:19, skipping insertion in model container [2021-12-16 02:43:19,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 02:43:19" (1/1) ... [2021-12-16 02:43:19,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 02:43:19,725 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 02:43:19,855 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-12-16 02:43:20,043 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-12-16 02:43:20,050 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 02:43:20,060 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 02:43:20,084 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-12-16 02:43:20,109 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2021-12-16 02:43:20,112 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 02:43:20,145 INFO L208 MainTranslator]: Completed translation [2021-12-16 02:43:20,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:43:20 WrapperNode [2021-12-16 02:43:20,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 02:43:20,148 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 02:43:20,149 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 02:43:20,149 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 02:43:20,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:43:20" (1/1) ... [2021-12-16 02:43:20,186 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:43:20" (1/1) ... [2021-12-16 02:43:20,213 INFO L137 Inliner]: procedures = 175, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2021-12-16 02:43:20,213 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 02:43:20,214 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 02:43:20,214 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 02:43:20,214 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 02:43:20,220 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:43:20" (1/1) ... [2021-12-16 02:43:20,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:43:20" (1/1) ... [2021-12-16 02:43:20,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:43:20" (1/1) ... [2021-12-16 02:43:20,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:43:20" (1/1) ... [2021-12-16 02:43:20,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:43:20" (1/1) ... [2021-12-16 02:43:20,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:43:20" (1/1) ... [2021-12-16 02:43:20,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:43:20" (1/1) ... [2021-12-16 02:43:20,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 02:43:20,273 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 02:43:20,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 02:43:20,274 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 02:43:20,275 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:43:20" (1/1) ... [2021-12-16 02:43:20,281 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 02:43:20,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 02:43:20,304 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) [2021-12-16 02:43:20,315 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 [2021-12-16 02:43:20,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-16 02:43:20,350 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-12-16 02:43:20,350 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-12-16 02:43:20,350 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-16 02:43:20,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 02:43:20,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 02:43:20,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 02:43:20,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-16 02:43:20,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-16 02:43:20,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-16 02:43:20,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-16 02:43:20,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 02:43:20,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 02:43:20,353 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-16 02:43:20,488 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 02:43:20,493 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 02:43:20,695 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 02:43:20,780 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 02:43:20,782 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-16 02:43:20,785 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2021-12-16 02:43:20,786 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-16 02:43:20,793 INFO L158 Benchmark]: Toolchain (without parser) took 1120.09ms. Allocated memory was 56.6MB in the beginning and 77.6MB in the end (delta: 21.0MB). Free memory was 34.1MB in the beginning and 47.8MB in the end (delta: -13.7MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2021-12-16 02:43:20,794 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 56.6MB. Free memory was 38.9MB in the beginning and 38.8MB in the end (delta: 51.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 02:43:20,795 INFO L158 Benchmark]: CACSL2BoogieTranslator took 475.42ms. Allocated memory is still 56.6MB. Free memory was 33.9MB in the beginning and 30.3MB in the end (delta: 3.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-16 02:43:20,796 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.60ms. Allocated memory is still 56.6MB. Free memory was 30.3MB in the beginning and 28.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 02:43:20,797 INFO L158 Benchmark]: Boogie Preprocessor took 59.09ms. Allocated memory is still 56.6MB. Free memory was 28.2MB in the beginning and 26.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 02:43:20,798 INFO L158 Benchmark]: RCFGBuilder took 517.10ms. Allocated memory was 56.6MB in the beginning and 77.6MB in the end (delta: 21.0MB). Free memory was 26.4MB in the beginning and 47.8MB in the end (delta: -21.4MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2021-12-16 02:43:20,805 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 56.6MB. Free memory was 38.9MB in the beginning and 38.8MB in the end (delta: 51.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 475.42ms. Allocated memory is still 56.6MB. Free memory was 33.9MB in the beginning and 30.3MB in the end (delta: 3.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.60ms. Allocated memory is still 56.6MB. Free memory was 30.3MB in the beginning and 28.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.09ms. Allocated memory is still 56.6MB. Free memory was 28.2MB in the beginning and 26.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 517.10ms. Allocated memory was 56.6MB in the beginning and 77.6MB in the end (delta: 21.0MB). Free memory was 26.4MB in the beginning and 47.8MB in the end (delta: -21.4MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-16 02:43:20,848 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?