./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 [2021-12-17 22:12:02,377 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 22:12:02,399 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 22:12:02,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 22:12:02,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 22:12:02,424 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 22:12:02,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 22:12:02,426 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 22:12:02,427 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 22:12:02,428 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 22:12:02,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 22:12:02,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 22:12:02,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 22:12:02,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 22:12:02,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 22:12:02,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 22:12:02,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 22:12:02,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 22:12:02,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 22:12:02,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 22:12:02,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 22:12:02,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 22:12:02,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 22:12:02,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 22:12:02,449 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 22:12:02,450 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 22:12:02,450 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 22:12:02,451 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 22:12:02,451 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 22:12:02,452 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 22:12:02,452 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 22:12:02,453 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 22:12:02,456 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 22:12:02,457 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 22:12:02,458 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 22:12:02,460 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 22:12:02,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 22:12:02,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 22:12:02,461 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 22:12:02,462 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 22:12:02,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 22:12:02,465 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 22:12:02,485 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 22:12:02,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 22:12:02,486 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 22:12:02,486 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 22:12:02,487 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 22:12:02,487 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 22:12:02,488 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 22:12:02,488 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 22:12:02,488 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 22:12:02,488 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 22:12:02,489 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 22:12:02,489 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 22:12:02,489 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 22:12:02,489 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 22:12:02,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 22:12:02,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 22:12:02,490 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 22:12:02,490 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 22:12:02,490 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 22:12:02,490 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 22:12:02,491 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 22:12:02,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 22:12:02,491 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 22:12:02,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 22:12:02,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 22:12:02,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 22:12:02,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 22:12:02,492 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 22:12:02,493 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 22:12:02,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 22:12:02,493 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 22:12:02,493 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 22:12:02,493 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 22:12:02,494 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 22:12:02,494 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2021-12-17 22:12:02,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 22:12:02,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 22:12:02,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 22:12:02,756 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 22:12:02,756 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 22:12:02,757 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-12-17 22:12:02,823 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22b6dd7ab/f53ec4e50887410190d8a1b7316fdfc5/FLAG731ff0c6d [2021-12-17 22:12:03,245 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 22:12:03,246 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-12-17 22:12:03,265 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22b6dd7ab/f53ec4e50887410190d8a1b7316fdfc5/FLAG731ff0c6d [2021-12-17 22:12:03,278 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22b6dd7ab/f53ec4e50887410190d8a1b7316fdfc5 [2021-12-17 22:12:03,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 22:12:03,281 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 22:12:03,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 22:12:03,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 22:12:03,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 22:12:03,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:12:03" (1/1) ... [2021-12-17 22:12:03,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14c7d116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:12:03, skipping insertion in model container [2021-12-17 22:12:03,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:12:03" (1/1) ... [2021-12-17 22:12:03,292 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 22:12:03,322 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 22:12:03,492 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-12-17 22:12:03,605 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] [2021-12-17 22:12:03,612 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 22:12:03,618 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 22:12:03,638 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-12-17 22:12:03,650 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] [2021-12-17 22:12:03,655 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 22:12:03,679 INFO L208 MainTranslator]: Completed translation [2021-12-17 22:12:03,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:12:03 WrapperNode [2021-12-17 22:12:03,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 22:12:03,680 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 22:12:03,681 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 22:12:03,681 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 22:12:03,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:12:03" (1/1) ... [2021-12-17 22:12:03,712 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:12:03" (1/1) ... [2021-12-17 22:12:03,732 INFO L137 Inliner]: procedures = 171, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2021-12-17 22:12:03,733 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 22:12:03,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 22:12:03,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 22:12:03,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 22:12:03,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:12:03" (1/1) ... [2021-12-17 22:12:03,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:12:03" (1/1) ... [2021-12-17 22:12:03,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:12:03" (1/1) ... [2021-12-17 22:12:03,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:12:03" (1/1) ... [2021-12-17 22:12:03,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:12:03" (1/1) ... [2021-12-17 22:12:03,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:12:03" (1/1) ... [2021-12-17 22:12:03,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:12:03" (1/1) ... [2021-12-17 22:12:03,763 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 22:12:03,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 22:12:03,764 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 22:12:03,764 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 22:12:03,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:12:03" (1/1) ... [2021-12-17 22:12:03,769 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 22:12:03,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 22:12:03,796 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) [2021-12-17 22:12:03,798 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 [2021-12-17 22:12:03,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-17 22:12:03,834 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-12-17 22:12:03,834 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-12-17 22:12:03,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-17 22:12:03,835 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-17 22:12:03,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 22:12:03,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-17 22:12:03,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-17 22:12:03,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 22:12:03,835 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-17 22:12:03,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 22:12:03,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 22:12:03,837 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-17 22:12:03,942 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 22:12:03,944 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 22:12:04,120 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 22:12:04,175 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 22:12:04,180 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-17 22:12:04,181 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2021-12-17 22:12:04,181 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) [2021-12-17 22:12:04,186 INFO L158 Benchmark]: Toolchain (without parser) took 903.43ms. Allocated memory was 102.8MB in the beginning and 132.1MB in the end (delta: 29.4MB). Free memory was 70.8MB in the beginning and 106.4MB in the end (delta: -35.5MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2021-12-17 22:12:04,187 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 102.8MB. Free memory was 59.6MB in the beginning and 59.6MB in the end (delta: 47.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 22:12:04,188 INFO L158 Benchmark]: CACSL2BoogieTranslator took 396.88ms. Allocated memory is still 102.8MB. Free memory was 70.6MB in the beginning and 67.6MB in the end (delta: 3.1MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2021-12-17 22:12:04,189 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.49ms. Allocated memory is still 102.8MB. Free memory was 67.6MB in the beginning and 65.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 22:12:04,189 INFO L158 Benchmark]: Boogie Preprocessor took 29.41ms. Allocated memory is still 102.8MB. Free memory was 65.5MB in the beginning and 64.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 22:12:04,190 INFO L158 Benchmark]: RCFGBuilder took 420.80ms. Allocated memory was 102.8MB in the beginning and 132.1MB in the end (delta: 29.4MB). Free memory was 64.0MB in the beginning and 106.4MB in the end (delta: -42.3MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2021-12-17 22:12:04,203 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 102.8MB. Free memory was 59.6MB in the beginning and 59.6MB in the end (delta: 47.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 396.88ms. Allocated memory is still 102.8MB. Free memory was 70.6MB in the beginning and 67.6MB in the end (delta: 3.1MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.49ms. Allocated memory is still 102.8MB. Free memory was 67.6MB in the beginning and 65.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.41ms. Allocated memory is still 102.8MB. Free memory was 65.5MB in the beginning and 64.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 420.80ms. Allocated memory was 102.8MB in the beginning and 132.1MB in the end (delta: 29.4MB). Free memory was 64.0MB in the beginning and 106.4MB in the end (delta: -42.3MB). Peak memory consumption was 14.9MB. 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. [2021-12-17 22:12:04,245 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 [2021-12-17 22:12:06,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 22:12:06,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 22:12:06,041 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 22:12:06,041 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 22:12:06,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 22:12:06,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 22:12:06,051 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 22:12:06,053 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 22:12:06,057 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 22:12:06,058 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 22:12:06,059 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 22:12:06,059 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 22:12:06,062 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 22:12:06,063 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 22:12:06,066 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 22:12:06,066 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 22:12:06,067 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 22:12:06,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 22:12:06,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 22:12:06,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 22:12:06,086 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 22:12:06,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 22:12:06,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 22:12:06,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 22:12:06,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 22:12:06,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 22:12:06,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 22:12:06,097 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 22:12:06,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 22:12:06,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 22:12:06,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 22:12:06,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 22:12:06,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 22:12:06,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 22:12:06,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 22:12:06,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 22:12:06,102 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 22:12:06,102 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 22:12:06,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 22:12:06,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 22:12:06,105 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-17 22:12:06,140 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 22:12:06,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 22:12:06,142 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 22:12:06,142 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 22:12:06,143 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 22:12:06,143 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 22:12:06,144 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 22:12:06,145 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 22:12:06,145 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 22:12:06,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 22:12:06,146 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 22:12:06,146 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 22:12:06,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 22:12:06,147 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 22:12:06,147 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 22:12:06,147 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 22:12:06,147 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-17 22:12:06,147 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-17 22:12:06,148 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-17 22:12:06,148 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 22:12:06,148 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 22:12:06,148 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 22:12:06,148 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 22:12:06,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 22:12:06,149 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 22:12:06,149 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 22:12:06,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 22:12:06,149 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 22:12:06,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 22:12:06,150 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 22:12:06,150 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-17 22:12:06,150 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-17 22:12:06,151 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 22:12:06,151 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 22:12:06,151 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 22:12:06,151 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 22:12:06,151 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-17 22:12:06,152 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2021-12-17 22:12:06,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 22:12:06,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 22:12:06,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 22:12:06,509 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 22:12:06,510 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 22:12:06,511 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-12-17 22:12:06,568 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd4db1d56/df272b8fd575410480f03486076c023f/FLAG189df9775 [2021-12-17 22:12:06,996 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 22:12:06,996 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2021-12-17 22:12:07,013 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd4db1d56/df272b8fd575410480f03486076c023f/FLAG189df9775 [2021-12-17 22:12:07,030 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd4db1d56/df272b8fd575410480f03486076c023f [2021-12-17 22:12:07,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 22:12:07,032 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 22:12:07,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 22:12:07,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 22:12:07,043 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 22:12:07,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:12:07" (1/1) ... [2021-12-17 22:12:07,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cd10367 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:12:07, skipping insertion in model container [2021-12-17 22:12:07,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:12:07" (1/1) ... [2021-12-17 22:12:07,050 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 22:12:07,089 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 22:12:07,264 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-12-17 22:12:07,448 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] [2021-12-17 22:12:07,453 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 22:12:07,467 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 22:12:07,497 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-12-17 22:12:07,521 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] [2021-12-17 22:12:07,522 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 22:12:07,585 INFO L208 MainTranslator]: Completed translation [2021-12-17 22:12:07,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:12:07 WrapperNode [2021-12-17 22:12:07,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 22:12:07,586 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 22:12:07,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 22:12:07,587 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 22:12:07,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:12:07" (1/1) ... [2021-12-17 22:12:07,619 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:12:07" (1/1) ... [2021-12-17 22:12:07,638 INFO L137 Inliner]: procedures = 175, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2021-12-17 22:12:07,638 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 22:12:07,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 22:12:07,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 22:12:07,640 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 22:12:07,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:12:07" (1/1) ... [2021-12-17 22:12:07,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:12:07" (1/1) ... [2021-12-17 22:12:07,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:12:07" (1/1) ... [2021-12-17 22:12:07,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:12:07" (1/1) ... [2021-12-17 22:12:07,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:12:07" (1/1) ... [2021-12-17 22:12:07,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:12:07" (1/1) ... [2021-12-17 22:12:07,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:12:07" (1/1) ... [2021-12-17 22:12:07,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 22:12:07,683 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 22:12:07,683 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 22:12:07,683 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 22:12:07,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:12:07" (1/1) ... [2021-12-17 22:12:07,689 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 22:12:07,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 22:12:07,716 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) [2021-12-17 22:12:07,736 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 [2021-12-17 22:12:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-17 22:12:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-12-17 22:12:07,746 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-12-17 22:12:07,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-17 22:12:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 22:12:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-17 22:12:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-17 22:12:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-17 22:12:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-17 22:12:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-17 22:12:07,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-17 22:12:07,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 22:12:07,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 22:12:07,749 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-17 22:12:07,882 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 22:12:07,883 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 22:12:07,995 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 22:12:08,027 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 22:12:08,027 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-17 22:12:08,029 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2021-12-17 22:12:08,030 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) [2021-12-17 22:12:08,033 INFO L158 Benchmark]: Toolchain (without parser) took 999.58ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 42.4MB in the beginning and 54.0MB in the end (delta: -11.6MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2021-12-17 22:12:08,033 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory was 45.3MB in the beginning and 45.3MB in the end (delta: 51.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 22:12:08,034 INFO L158 Benchmark]: CACSL2BoogieTranslator took 552.48ms. Allocated memory is still 62.9MB. Free memory was 42.3MB in the beginning and 36.4MB in the end (delta: 5.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-17 22:12:08,034 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.96ms. Allocated memory is still 62.9MB. Free memory was 36.2MB in the beginning and 34.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 22:12:08,035 INFO L158 Benchmark]: Boogie Preprocessor took 42.96ms. Allocated memory is still 62.9MB. Free memory was 34.2MB in the beginning and 32.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 22:12:08,036 INFO L158 Benchmark]: RCFGBuilder took 348.85ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 32.5MB in the beginning and 54.0MB in the end (delta: -21.5MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2021-12-17 22:12:08,038 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory was 45.3MB in the beginning and 45.3MB in the end (delta: 51.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 552.48ms. Allocated memory is still 62.9MB. Free memory was 42.3MB in the beginning and 36.4MB in the end (delta: 5.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.96ms. Allocated memory is still 62.9MB. Free memory was 36.2MB in the beginning and 34.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.96ms. Allocated memory is still 62.9MB. Free memory was 34.2MB in the beginning and 32.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 348.85ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 32.5MB in the beginning and 54.0MB in the end (delta: -21.5MB). Peak memory consumption was 8.1MB. 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. [2021-12-17 22:12:08,067 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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?