./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-ext/02_inc_cas.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b8dbc81d 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 ../../../trunk/examples/svcomp/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 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 16:23:58,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 16:23:58,574 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 16:23:58,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 16:23:58,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 16:23:58,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 16:23:58,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 16:23:58,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 16:23:58,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 16:23:58,602 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 16:23:58,603 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 16:23:58,604 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 16:23:58,604 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 16:23:58,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 16:23:58,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 16:23:58,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 16:23:58,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 16:23:58,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 16:23:58,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 16:23:58,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 16:23:58,610 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 16:23:58,618 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 16:23:58,619 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 16:23:58,620 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 16:23:58,622 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 16:23:58,622 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 16:23:58,623 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 16:23:58,623 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 16:23:58,623 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 16:23:58,624 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 16:23:58,624 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 16:23:58,625 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 16:23:58,625 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 16:23:58,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 16:23:58,629 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 16:23:58,629 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 16:23:58,629 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 16:23:58,630 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 16:23:58,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 16:23:58,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 16:23:58,631 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 16:23:58,632 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 16:23:58,646 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 16:23:58,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 16:23:58,649 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 16:23:58,649 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 16:23:58,650 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 16:23:58,650 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 16:23:58,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 16:23:58,651 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 16:23:58,651 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 16:23:58,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 16:23:58,652 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 16:23:58,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 16:23:58,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 16:23:58,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 16:23:58,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 16:23:58,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 16:23:58,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 16:23:58,653 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 16:23:58,653 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 16:23:58,653 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 16:23:58,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 16:23:58,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 16:23:58,654 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 16:23:58,654 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 16:23:58,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 16:23:58,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 16:23:58,654 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 16:23:58,655 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 16:23:58,655 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 16:23:58,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 16:23:58,655 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 16:23:58,655 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 16:23:58,655 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 16:23:58,655 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 16:23:58,656 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 16:23:58,656 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-30 16:23:58,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 16:23:58,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 16:23:58,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 16:23:58,902 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 16:23:58,902 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 16:23:58,903 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/02_inc_cas.i [2023-08-30 16:23:59,847 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 16:24:00,063 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 16:24:00,063 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/02_inc_cas.i [2023-08-30 16:24:00,076 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebed812f8/35a5b86a7a84459e9f01cc6f71ed0f6f/FLAGfcf1a16d5 [2023-08-30 16:24:00,092 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebed812f8/35a5b86a7a84459e9f01cc6f71ed0f6f [2023-08-30 16:24:00,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 16:24:00,095 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 16:24:00,096 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 16:24:00,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 16:24:00,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 16:24:00,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 04:24:00" (1/1) ... [2023-08-30 16:24:00,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24084010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:24:00, skipping insertion in model container [2023-08-30 16:24:00,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 04:24:00" (1/1) ... [2023-08-30 16:24:00,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 16:24:00,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 16:24:00,271 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-30 16:24:00,371 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/02_inc_cas.i[30873,30886] [2023-08-30 16:24:00,375 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 16:24:00,380 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 16:24:00,388 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-30 16:24:00,406 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/02_inc_cas.i[30873,30886] [2023-08-30 16:24:00,409 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 16:24:00,429 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 16:24:00,429 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 16:24:00,429 WARN L667 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 16:24:00,433 INFO L208 MainTranslator]: Completed translation [2023-08-30 16:24:00,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:24:00 WrapperNode [2023-08-30 16:24:00,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 16:24:00,434 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 16:24:00,434 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 16:24:00,435 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 16:24:00,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:24:00" (1/1) ... [2023-08-30 16:24:00,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:24:00" (1/1) ... [2023-08-30 16:24:00,458 INFO L138 Inliner]: procedures = 171, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2023-08-30 16:24:00,460 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 16:24:00,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 16:24:00,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 16:24:00,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 16:24:00,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:24:00" (1/1) ... [2023-08-30 16:24:00,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:24:00" (1/1) ... [2023-08-30 16:24:00,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:24:00" (1/1) ... [2023-08-30 16:24:00,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:24:00" (1/1) ... [2023-08-30 16:24:00,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:24:00" (1/1) ... [2023-08-30 16:24:00,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:24:00" (1/1) ... [2023-08-30 16:24:00,475 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:24:00" (1/1) ... [2023-08-30 16:24:00,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:24:00" (1/1) ... [2023-08-30 16:24:00,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 16:24:00,488 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 16:24:00,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 16:24:00,489 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 16:24:00,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:24:00" (1/1) ... [2023-08-30 16:24:00,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 16:24:00,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 16:24:00,511 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 16:24:00,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 16:24:00,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 16:24:00,539 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-08-30 16:24:00,539 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-08-30 16:24:00,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 16:24:00,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 16:24:00,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 16:24:00,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 16:24:00,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 16:24:00,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 16:24:00,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 16:24:00,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 16:24:00,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 16:24:00,541 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 16:24:00,675 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 16:24:00,676 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 16:24:00,776 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 16:24:00,831 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 16:24:00,832 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-30 16:24:00,832 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2023-08-30 16:24:00,833 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:305) 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) [2023-08-30 16:24:00,838 INFO L158 Benchmark]: Toolchain (without parser) took 742.73ms. Allocated memory is still 71.3MB. Free memory was 45.3MB in the beginning and 43.4MB in the end (delta: 1.9MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2023-08-30 16:24:00,838 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 56.6MB. Free memory was 34.5MB in the beginning and 34.4MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 16:24:00,839 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.57ms. Allocated memory is still 71.3MB. Free memory was 45.1MB in the beginning and 42.8MB in the end (delta: 2.3MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2023-08-30 16:24:00,839 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.54ms. Allocated memory is still 71.3MB. Free memory was 42.8MB in the beginning and 40.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 16:24:00,839 INFO L158 Benchmark]: Boogie Preprocessor took 16.54ms. Allocated memory is still 71.3MB. Free memory was 40.8MB in the beginning and 39.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 16:24:00,840 INFO L158 Benchmark]: RCFGBuilder took 348.65ms. Allocated memory is still 71.3MB. Free memory was 39.3MB in the beginning and 43.4MB in the end (delta: -4.1MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2023-08-30 16:24:00,841 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 56.6MB. Free memory was 34.5MB in the beginning and 34.4MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.57ms. Allocated memory is still 71.3MB. Free memory was 45.1MB in the beginning and 42.8MB in the end (delta: 2.3MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.54ms. Allocated memory is still 71.3MB. Free memory was 42.8MB in the beginning and 40.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.54ms. Allocated memory is still 71.3MB. Free memory was 40.8MB in the beginning and 39.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 348.65ms. Allocated memory is still 71.3MB. Free memory was 39.3MB in the beginning and 43.4MB in the end (delta: -4.1MB). Peak memory consumption was 14.0MB. 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:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 16:24:00,854 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 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 ../../../trunk/examples/svcomp/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 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 16:24:02,266 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 16:24:02,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 16:24:02,286 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 16:24:02,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 16:24:02,287 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 16:24:02,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 16:24:02,289 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 16:24:02,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 16:24:02,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 16:24:02,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 16:24:02,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 16:24:02,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 16:24:02,293 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 16:24:02,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 16:24:02,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 16:24:02,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 16:24:02,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 16:24:02,296 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 16:24:02,297 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 16:24:02,298 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 16:24:02,299 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 16:24:02,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 16:24:02,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 16:24:02,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 16:24:02,303 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 16:24:02,303 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 16:24:02,303 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 16:24:02,304 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 16:24:02,304 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 16:24:02,305 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 16:24:02,305 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 16:24:02,306 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 16:24:02,306 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 16:24:02,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 16:24:02,307 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 16:24:02,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 16:24:02,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 16:24:02,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 16:24:02,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 16:24:02,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 16:24:02,310 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-08-30 16:24:02,325 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 16:24:02,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 16:24:02,326 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 16:24:02,326 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 16:24:02,327 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 16:24:02,327 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 16:24:02,327 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 16:24:02,328 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 16:24:02,328 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 16:24:02,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 16:24:02,328 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 16:24:02,328 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 16:24:02,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 16:24:02,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 16:24:02,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 16:24:02,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 16:24:02,329 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 16:24:02,330 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 16:24:02,330 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 16:24:02,330 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 16:24:02,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 16:24:02,330 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 16:24:02,331 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 16:24:02,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 16:24:02,331 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 16:24:02,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 16:24:02,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 16:24:02,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 16:24:02,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 16:24:02,332 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 16:24:02,332 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 16:24:02,332 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 16:24:02,333 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 16:24:02,333 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 16:24:02,333 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 16:24:02,333 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 16:24:02,333 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 16:24:02,333 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 16:24:02,334 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-30 16:24:02,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 16:24:02,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 16:24:02,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 16:24:02,535 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 16:24:02,536 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 16:24:02,537 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/02_inc_cas.i [2023-08-30 16:24:03,495 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 16:24:03,685 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 16:24:03,685 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/02_inc_cas.i [2023-08-30 16:24:03,692 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e31503b27/e713ad8f7ef5438e9ba0a9768ecc175e/FLAGa90630894 [2023-08-30 16:24:03,702 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e31503b27/e713ad8f7ef5438e9ba0a9768ecc175e [2023-08-30 16:24:03,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 16:24:03,705 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 16:24:03,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 16:24:03,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 16:24:03,709 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 16:24:03,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 04:24:03" (1/1) ... [2023-08-30 16:24:03,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4607285e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:24:03, skipping insertion in model container [2023-08-30 16:24:03,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 04:24:03" (1/1) ... [2023-08-30 16:24:03,717 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 16:24:03,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 16:24:03,887 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-30 16:24:04,014 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/02_inc_cas.i[30873,30886] [2023-08-30 16:24:04,020 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 16:24:04,030 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 16:24:04,048 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-30 16:24:04,070 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/02_inc_cas.i[30873,30886] [2023-08-30 16:24:04,072 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 16:24:04,102 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 16:24:04,102 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 16:24:04,102 WARN L667 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 16:24:04,106 INFO L208 MainTranslator]: Completed translation [2023-08-30 16:24:04,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:24:04 WrapperNode [2023-08-30 16:24:04,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 16:24:04,108 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 16:24:04,108 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 16:24:04,109 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 16:24:04,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:24:04" (1/1) ... [2023-08-30 16:24:04,143 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:24:04" (1/1) ... [2023-08-30 16:24:04,162 INFO L138 Inliner]: procedures = 175, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2023-08-30 16:24:04,162 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 16:24:04,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 16:24:04,164 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 16:24:04,164 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 16:24:04,169 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:24:04" (1/1) ... [2023-08-30 16:24:04,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:24:04" (1/1) ... [2023-08-30 16:24:04,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:24:04" (1/1) ... [2023-08-30 16:24:04,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:24:04" (1/1) ... [2023-08-30 16:24:04,189 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:24:04" (1/1) ... [2023-08-30 16:24:04,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:24:04" (1/1) ... [2023-08-30 16:24:04,198 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:24:04" (1/1) ... [2023-08-30 16:24:04,201 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:24:04" (1/1) ... [2023-08-30 16:24:04,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 16:24:04,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 16:24:04,205 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 16:24:04,205 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 16:24:04,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:24:04" (1/1) ... [2023-08-30 16:24:04,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 16:24:04,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 16:24:04,226 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 16:24:04,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 16:24:04,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 16:24:04,250 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-08-30 16:24:04,250 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-08-30 16:24:04,250 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 16:24:04,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 16:24:04,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 16:24:04,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 16:24:04,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 16:24:04,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 16:24:04,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 16:24:04,251 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 16:24:04,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 16:24:04,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 16:24:04,252 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 16:24:04,348 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 16:24:04,349 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 16:24:04,485 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 16:24:04,530 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 16:24:04,530 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-30 16:24:04,530 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2023-08-30 16:24:04,531 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:305) 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) [2023-08-30 16:24:04,534 INFO L158 Benchmark]: Toolchain (without parser) took 828.46ms. Allocated memory is still 88.1MB. Free memory was 64.1MB in the beginning and 45.5MB in the end (delta: 18.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-08-30 16:24:04,534 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 62.9MB. Free memory was 40.4MB in the beginning and 40.3MB in the end (delta: 75.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 16:24:04,535 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.94ms. Allocated memory is still 88.1MB. Free memory was 63.9MB in the beginning and 43.2MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-08-30 16:24:04,535 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.53ms. Allocated memory is still 88.1MB. Free memory was 43.2MB in the beginning and 66.1MB in the end (delta: -22.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-30 16:24:04,536 INFO L158 Benchmark]: Boogie Preprocessor took 41.48ms. Allocated memory is still 88.1MB. Free memory was 66.1MB in the beginning and 64.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 16:24:04,536 INFO L158 Benchmark]: RCFGBuilder took 328.11ms. Allocated memory is still 88.1MB. Free memory was 64.3MB in the beginning and 45.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-30 16:24:04,538 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 62.9MB. Free memory was 40.4MB in the beginning and 40.3MB in the end (delta: 75.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 399.94ms. Allocated memory is still 88.1MB. Free memory was 63.9MB in the beginning and 43.2MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.53ms. Allocated memory is still 88.1MB. Free memory was 43.2MB in the beginning and 66.1MB in the end (delta: -22.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.48ms. Allocated memory is still 88.1MB. Free memory was 66.1MB in the beginning and 64.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 328.11ms. Allocated memory is still 88.1MB. Free memory was 64.3MB in the beginning and 45.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. 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:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 16:24:04,553 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?