./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.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 DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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-Overflow-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 ! overflow) ) --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 DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 12:17:34,158 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:17:34,161 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:17:34,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:17:34,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:17:34,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:17:34,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:17:34,208 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:17:34,210 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:17:34,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:17:34,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:17:34,218 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:17:34,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:17:34,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:17:34,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:17:34,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:17:34,227 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:17:34,229 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:17:34,232 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:17:34,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:17:34,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:17:34,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:17:34,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:17:34,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:17:34,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:17:34,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:17:34,247 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:17:34,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:17:34,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:17:34,250 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:17:34,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:17:34,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:17:34,258 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:17:34,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:17:34,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:17:34,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:17:34,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:17:34,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:17:34,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:17:34,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:17:34,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:17:34,263 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 12:17:34,294 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:17:34,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:17:34,296 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:17:34,296 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:17:34,297 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:17:34,297 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:17:34,298 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:17:34,298 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:17:34,298 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:17:34,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:17:34,299 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:17:34,299 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:17:34,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 12:17:34,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:17:34,300 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:17:34,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:17:34,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:17:34,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:17:34,300 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:17:34,300 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:17:34,301 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:17:34,301 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:17:34,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:17:34,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:17:34,301 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:17:34,301 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:17:34,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:17:34,302 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:17:34,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:17:34,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:17:34,302 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 12:17:34,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 12:17:34,303 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:17:34,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:17:34,303 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:17:34,303 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:17:34,303 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:17:34,304 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:17:34,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:17:34,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:17:34,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:17:34,647 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:17:34,648 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:17:34,649 INFO L432 ainManager$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 12:17:35,771 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:17:36,039 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:17:36,048 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/02_inc_cas.i [2023-08-30 12:17:36,063 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08471a7e1/a404b5f7dd7d48398d9300a48986c522/FLAG6bbb8d83c [2023-08-30 12:17:36,073 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08471a7e1/a404b5f7dd7d48398d9300a48986c522 [2023-08-30 12:17:36,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:17:36,076 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:17:36,078 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:17:36,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:17:36,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:17:36,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:17:36" (1/1) ... [2023-08-30 12:17:36,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@443a26e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:36, skipping insertion in model container [2023-08-30 12:17:36,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:17:36" (1/1) ... [2023-08-30 12:17:36,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:17:36,119 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:17:36,238 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-30 12:17:36,337 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 12:17:36,343 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:17:36,353 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:17:36,384 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-30 12:17:36,433 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 12:17:36,435 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:17:36,460 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:17:36,460 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:17:36,461 WARN L667 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:17:36,467 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:17:36,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:36 WrapperNode [2023-08-30 12:17:36,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:17:36,469 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:17:36,469 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:17:36,469 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:17:36,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:36" (1/1) ... [2023-08-30 12:17:36,494 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:36" (1/1) ... [2023-08-30 12:17:36,517 INFO L138 Inliner]: procedures = 171, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2023-08-30 12:17:36,518 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:17:36,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:17:36,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:17:36,519 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:17:36,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:36" (1/1) ... [2023-08-30 12:17:36,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:36" (1/1) ... [2023-08-30 12:17:36,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:36" (1/1) ... [2023-08-30 12:17:36,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:36" (1/1) ... [2023-08-30 12:17:36,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:36" (1/1) ... [2023-08-30 12:17:36,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:36" (1/1) ... [2023-08-30 12:17:36,547 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:36" (1/1) ... [2023-08-30 12:17:36,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:36" (1/1) ... [2023-08-30 12:17:36,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:17:36,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:17:36,555 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:17:36,555 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:17:36,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:36" (1/1) ... [2023-08-30 12:17:36,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:17:36,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:17:36,598 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 12:17:36,616 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 12:17:36,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 12:17:36,633 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-08-30 12:17:36,633 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-08-30 12:17:36,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 12:17:36,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 12:17:36,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:17:36,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:17:36,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:17:36,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 12:17:36,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 12:17:36,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:17:36,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:17:36,635 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 12:17:36,790 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:17:36,792 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:17:36,969 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:17:37,029 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:17:37,030 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-30 12:17:37,030 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2023-08-30 12:17:37,031 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 12:17:37,034 INFO L158 Benchmark]: Toolchain (without parser) took 957.44ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 45.9MB in the beginning and 39.1MB in the end (delta: 6.8MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2023-08-30 12:17:37,035 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 69.2MB. Free memory is still 46.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:17:37,035 INFO L158 Benchmark]: CACSL2BoogieTranslator took 390.59ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 45.7MB in the beginning and 59.7MB in the end (delta: -14.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-30 12:17:37,036 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.69ms. Allocated memory is still 86.0MB. Free memory was 59.7MB in the beginning and 57.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:17:37,036 INFO L158 Benchmark]: Boogie Preprocessor took 31.73ms. Allocated memory is still 86.0MB. Free memory was 57.6MB in the beginning and 56.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:17:37,037 INFO L158 Benchmark]: RCFGBuilder took 477.85ms. Allocated memory is still 86.0MB. Free memory was 56.3MB in the beginning and 39.1MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-08-30 12:17:37,039 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 69.2MB. Free memory is still 46.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 390.59ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 45.7MB in the beginning and 59.7MB in the end (delta: -14.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.69ms. Allocated memory is still 86.0MB. Free memory was 59.7MB in the beginning and 57.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.73ms. Allocated memory is still 86.0MB. Free memory was 57.6MB in the beginning and 56.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 477.85ms. Allocated memory is still 86.0MB. Free memory was 56.3MB in the beginning and 39.1MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 12:17:37,061 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 ../../../trunk/examples/svcomp/pthread-ext/02_inc_cas.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --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 DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 12:17:38,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:17:38,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:17:39,028 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:17:39,030 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:17:39,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:17:39,035 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:17:39,038 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:17:39,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:17:39,044 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:17:39,045 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:17:39,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:17:39,048 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:17:39,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:17:39,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:17:39,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:17:39,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:17:39,059 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:17:39,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:17:39,065 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:17:39,066 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:17:39,067 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:17:39,069 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:17:39,070 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:17:39,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:17:39,077 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:17:39,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:17:39,079 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:17:39,080 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:17:39,081 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:17:39,081 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:17:39,087 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:17:39,088 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:17:39,089 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:17:39,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:17:39,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:17:39,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:17:39,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:17:39,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:17:39,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:17:39,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:17:39,094 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2023-08-30 12:17:39,127 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:17:39,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:17:39,128 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:17:39,128 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:17:39,129 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:17:39,129 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:17:39,130 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:17:39,130 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:17:39,130 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:17:39,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:17:39,131 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:17:39,131 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:17:39,132 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:17:39,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:17:39,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:17:39,132 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:17:39,132 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:17:39,133 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 12:17:39,133 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 12:17:39,133 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:17:39,133 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 12:17:39,133 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:17:39,133 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:17:39,134 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:17:39,134 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:17:39,134 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:17:39,134 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:17:39,134 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:17:39,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:17:39,135 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:17:39,135 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:17:39,135 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:17:39,136 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 12:17:39,136 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 12:17:39,136 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:17:39,136 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:17:39,136 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:17:39,137 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:17:39,137 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 12:17:39,137 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:17:39,137 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:17:39,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:17:39,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:17:39,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:17:39,517 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:17:39,517 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:17:39,518 INFO L432 ainManager$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 12:17:40,733 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:17:40,970 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:17:40,971 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/02_inc_cas.i [2023-08-30 12:17:40,990 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66756ce6e/6d0c9630cf4c4f6ebda7e8635331cc55/FLAGc4df0094c [2023-08-30 12:17:41,001 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66756ce6e/6d0c9630cf4c4f6ebda7e8635331cc55 [2023-08-30 12:17:41,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:17:41,004 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:17:41,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:17:41,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:17:41,014 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:17:41,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:17:41" (1/1) ... [2023-08-30 12:17:41,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@111c91ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:41, skipping insertion in model container [2023-08-30 12:17:41,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:17:41" (1/1) ... [2023-08-30 12:17:41,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:17:41,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:17:41,248 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-30 12:17:41,391 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 12:17:41,397 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:17:41,408 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:17:41,431 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-30 12:17:41,489 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 12:17:41,490 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:17:41,523 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:17:41,524 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:17:41,524 WARN L667 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:17:41,530 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:17:41,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:41 WrapperNode [2023-08-30 12:17:41,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:17:41,532 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:17:41,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:17:41,533 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:17:41,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:41" (1/1) ... [2023-08-30 12:17:41,555 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:41" (1/1) ... [2023-08-30 12:17:41,572 INFO L138 Inliner]: procedures = 175, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2023-08-30 12:17:41,573 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:17:41,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:17:41,574 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:17:41,574 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:17:41,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:41" (1/1) ... [2023-08-30 12:17:41,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:41" (1/1) ... [2023-08-30 12:17:41,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:41" (1/1) ... [2023-08-30 12:17:41,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:41" (1/1) ... [2023-08-30 12:17:41,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:41" (1/1) ... [2023-08-30 12:17:41,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:41" (1/1) ... [2023-08-30 12:17:41,594 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:41" (1/1) ... [2023-08-30 12:17:41,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:41" (1/1) ... [2023-08-30 12:17:41,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:17:41,601 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:17:41,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:17:41,608 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:17:41,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:41" (1/1) ... [2023-08-30 12:17:41,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:17:41,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:17:41,636 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 12:17:41,642 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 12:17:41,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 12:17:41,664 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-08-30 12:17:41,664 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-08-30 12:17:41,664 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 12:17:41,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:17:41,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:17:41,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:17:41,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 12:17:41,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 12:17:41,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 12:17:41,665 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 12:17:41,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:17:41,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:17:41,667 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 12:17:41,771 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:17:41,773 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:17:41,940 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:17:42,025 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:17:42,026 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-30 12:17:42,026 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2023-08-30 12:17:42,027 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 12:17:42,030 INFO L158 Benchmark]: Toolchain (without parser) took 1025.09ms. Allocated memory is still 67.1MB. Free memory was 43.6MB in the beginning and 35.1MB in the end (delta: 8.5MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2023-08-30 12:17:42,031 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 52.4MB. Free memory is still 30.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:17:42,031 INFO L158 Benchmark]: CACSL2BoogieTranslator took 525.66ms. Allocated memory is still 67.1MB. Free memory was 43.4MB in the beginning and 39.7MB in the end (delta: 3.7MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2023-08-30 12:17:42,032 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.13ms. Allocated memory is still 67.1MB. Free memory was 39.7MB in the beginning and 37.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:17:42,032 INFO L158 Benchmark]: Boogie Preprocessor took 25.49ms. Allocated memory is still 67.1MB. Free memory was 37.5MB in the beginning and 35.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:17:42,036 INFO L158 Benchmark]: RCFGBuilder took 428.03ms. Allocated memory is still 67.1MB. Free memory was 35.6MB in the beginning and 35.1MB in the end (delta: 522.0kB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2023-08-30 12:17:42,038 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 52.4MB. Free memory is still 30.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 525.66ms. Allocated memory is still 67.1MB. Free memory was 43.4MB in the beginning and 39.7MB in the end (delta: 3.7MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.13ms. Allocated memory is still 67.1MB. Free memory was 39.7MB in the beginning and 37.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.49ms. Allocated memory is still 67.1MB. Free memory was 37.5MB in the beginning and 35.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 428.03ms. Allocated memory is still 67.1MB. Free memory was 35.6MB in the beginning and 35.1MB in the end (delta: 522.0kB). Peak memory consumption was 13.3MB. 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 12:17:42,055 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?