./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 AFTER --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 AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 08:26:18,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 08:26:18,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 08:26:18,350 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 08:26:18,351 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 08:26:18,356 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 08:26:18,357 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 08:26:18,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 08:26:18,359 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 08:26:18,360 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 08:26:18,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 08:26:18,364 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 08:26:18,365 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 08:26:18,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 08:26:18,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 08:26:18,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 08:26:18,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 08:26:18,375 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 08:26:18,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 08:26:18,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 08:26:18,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 08:26:18,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 08:26:18,386 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 08:26:18,389 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 08:26:18,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 08:26:18,394 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 08:26:18,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 08:26:18,395 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 08:26:18,396 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 08:26:18,396 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 08:26:18,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 08:26:18,397 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 08:26:18,398 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 08:26:18,398 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 08:26:18,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 08:26:18,399 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 08:26:18,400 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 08:26:18,400 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 08:26:18,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 08:26:18,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 08:26:18,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 08:26:18,402 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 08:26:18,427 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 08:26:18,427 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 08:26:18,428 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 08:26:18,428 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 08:26:18,429 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 08:26:18,429 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 08:26:18,429 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 08:26:18,429 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 08:26:18,429 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 08:26:18,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 08:26:18,430 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 08:26:18,430 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 08:26:18,430 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 08:26:18,431 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 08:26:18,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 08:26:18,431 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 08:26:18,431 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 08:26:18,431 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 08:26:18,431 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 08:26:18,431 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 08:26:18,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 08:26:18,432 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 08:26:18,432 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 08:26:18,432 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 08:26:18,432 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 08:26:18,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 08:26:18,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 08:26:18,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 08:26:18,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 08:26:18,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 08:26:18,433 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 08:26:18,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 08:26:18,433 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 08:26:18,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 08:26:18,433 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 08:26:18,434 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 08:26:18,434 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 08:26:18,434 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-30 08:26:18,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 08:26:18,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 08:26:18,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 08:26:18,722 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 08:26:18,722 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 08:26:18,723 INFO L432 ainManager$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 08:26:19,854 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 08:26:20,075 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 08:26:20,076 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/02_inc_cas.i [2023-08-30 08:26:20,083 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bfff1b8d/663d188ce23b496985750ea38b702c05/FLAGd45ca3e37 [2023-08-30 08:26:20,092 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bfff1b8d/663d188ce23b496985750ea38b702c05 [2023-08-30 08:26:20,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 08:26:20,095 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 08:26:20,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 08:26:20,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 08:26:20,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 08:26:20,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 08:26:20" (1/1) ... [2023-08-30 08:26:20,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bf79065 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:26:20, skipping insertion in model container [2023-08-30 08:26:20,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 08:26:20" (1/1) ... [2023-08-30 08:26:20,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 08:26:20,138 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 08:26:20,233 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-30 08:26:20,347 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 08:26:20,352 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 08:26:20,360 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 08:26:20,377 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-30 08:26:20,394 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 08:26:20,396 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 08:26:20,423 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 08:26:20,423 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 08:26:20,423 WARN L667 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 08:26:20,428 INFO L208 MainTranslator]: Completed translation [2023-08-30 08:26:20,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:26:20 WrapperNode [2023-08-30 08:26:20,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 08:26:20,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 08:26:20,430 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 08:26:20,430 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 08:26:20,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:26:20" (1/1) ... [2023-08-30 08:26:20,457 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:26:20" (1/1) ... [2023-08-30 08:26:20,476 INFO L138 Inliner]: procedures = 171, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2023-08-30 08:26:20,476 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 08:26:20,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 08:26:20,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 08:26:20,477 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 08:26:20,483 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:26:20" (1/1) ... [2023-08-30 08:26:20,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:26:20" (1/1) ... [2023-08-30 08:26:20,487 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:26:20" (1/1) ... [2023-08-30 08:26:20,487 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:26:20" (1/1) ... [2023-08-30 08:26:20,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:26:20" (1/1) ... [2023-08-30 08:26:20,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:26:20" (1/1) ... [2023-08-30 08:26:20,508 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:26:20" (1/1) ... [2023-08-30 08:26:20,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:26:20" (1/1) ... [2023-08-30 08:26:20,510 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 08:26:20,511 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 08:26:20,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 08:26:20,511 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 08:26:20,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:26:20" (1/1) ... [2023-08-30 08:26:20,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 08:26:20,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 08:26:20,539 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 08:26:20,554 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 08:26:20,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 08:26:20,565 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-08-30 08:26:20,565 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-08-30 08:26:20,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 08:26:20,565 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 08:26:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 08:26:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 08:26:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 08:26:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 08:26:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 08:26:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 08:26:20,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 08:26:20,567 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 08:26:20,670 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 08:26:20,672 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 08:26:20,859 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 08:26:20,948 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 08:26:20,949 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-30 08:26:20,950 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2023-08-30 08:26:20,951 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 08:26:20,955 INFO L158 Benchmark]: Toolchain (without parser) took 859.80ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 37.9MB in the beginning and 57.6MB in the end (delta: -19.7MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2023-08-30 08:26:20,956 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 71.3MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 08:26:20,956 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.48ms. Allocated memory is still 71.3MB. Free memory was 37.7MB in the beginning and 40.4MB in the end (delta: -2.7MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2023-08-30 08:26:20,957 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.51ms. Allocated memory is still 71.3MB. Free memory was 40.4MB in the beginning and 38.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 08:26:20,958 INFO L158 Benchmark]: Boogie Preprocessor took 33.50ms. Allocated memory is still 71.3MB. Free memory was 38.3MB in the beginning and 37.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 08:26:20,958 INFO L158 Benchmark]: RCFGBuilder took 443.09ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 36.7MB in the beginning and 57.6MB in the end (delta: -20.9MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2023-08-30 08:26:20,963 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 71.3MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.48ms. Allocated memory is still 71.3MB. Free memory was 37.7MB in the beginning and 40.4MB in the end (delta: -2.7MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.51ms. Allocated memory is still 71.3MB. Free memory was 40.4MB in the beginning and 38.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.50ms. Allocated memory is still 71.3MB. Free memory was 38.3MB in the beginning and 37.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 443.09ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 36.7MB in the beginning and 57.6MB in the end (delta: -20.9MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 08:26:20,977 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-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 AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 08:26:22,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 08:26:22,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 08:26:22,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 08:26:22,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 08:26:22,579 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 08:26:22,580 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 08:26:22,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 08:26:22,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 08:26:22,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 08:26:22,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 08:26:22,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 08:26:22,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 08:26:22,591 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 08:26:22,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 08:26:22,596 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 08:26:22,596 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 08:26:22,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 08:26:22,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 08:26:22,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 08:26:22,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 08:26:22,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 08:26:22,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 08:26:22,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 08:26:22,611 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 08:26:22,611 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 08:26:22,612 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 08:26:22,613 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 08:26:22,613 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 08:26:22,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 08:26:22,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 08:26:22,617 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 08:26:22,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 08:26:22,619 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 08:26:22,620 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 08:26:22,621 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 08:26:22,621 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 08:26:22,621 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 08:26:22,621 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 08:26:22,622 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 08:26:22,622 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 08:26:22,624 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2023-08-30 08:26:22,658 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 08:26:22,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 08:26:22,660 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 08:26:22,660 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 08:26:22,660 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 08:26:22,660 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 08:26:22,661 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 08:26:22,661 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 08:26:22,661 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 08:26:22,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 08:26:22,662 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 08:26:22,662 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 08:26:22,662 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 08:26:22,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 08:26:22,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 08:26:22,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 08:26:22,663 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 08:26:22,663 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 08:26:22,663 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 08:26:22,663 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 08:26:22,663 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 08:26:22,663 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 08:26:22,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 08:26:22,664 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 08:26:22,664 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 08:26:22,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 08:26:22,664 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 08:26:22,664 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 08:26:22,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 08:26:22,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 08:26:22,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 08:26:22,665 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 08:26:22,665 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 08:26:22,665 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 08:26:22,665 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 08:26:22,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 08:26:22,665 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 08:26:22,666 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 08:26:22,666 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 08:26:22,666 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 08:26:22,666 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-30 08:26:22,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 08:26:22,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 08:26:22,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 08:26:22,935 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 08:26:22,936 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 08:26:22,937 INFO L432 ainManager$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 08:26:23,871 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 08:26:24,132 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 08:26:24,135 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/02_inc_cas.i [2023-08-30 08:26:24,148 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2885fb9a/035b7e8c9edd462cbaec4817adc3ad48/FLAG6dd08ee7b [2023-08-30 08:26:24,165 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2885fb9a/035b7e8c9edd462cbaec4817adc3ad48 [2023-08-30 08:26:24,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 08:26:24,168 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 08:26:24,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 08:26:24,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 08:26:24,173 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 08:26:24,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 08:26:24" (1/1) ... [2023-08-30 08:26:24,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c81420e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:26:24, skipping insertion in model container [2023-08-30 08:26:24,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 08:26:24" (1/1) ... [2023-08-30 08:26:24,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 08:26:24,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 08:26:24,307 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-30 08:26:24,386 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 08:26:24,393 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 08:26:24,404 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 08:26:24,425 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-30 08:26:24,475 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 08:26:24,478 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 08:26:24,499 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 08:26:24,499 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 08:26:24,499 WARN L667 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 08:26:24,504 INFO L208 MainTranslator]: Completed translation [2023-08-30 08:26:24,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:26:24 WrapperNode [2023-08-30 08:26:24,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 08:26:24,505 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 08:26:24,505 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 08:26:24,505 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 08:26:24,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:26:24" (1/1) ... [2023-08-30 08:26:24,518 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:26:24" (1/1) ... [2023-08-30 08:26:24,530 INFO L138 Inliner]: procedures = 175, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2023-08-30 08:26:24,531 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 08:26:24,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 08:26:24,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 08:26:24,531 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 08:26:24,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:26:24" (1/1) ... [2023-08-30 08:26:24,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:26:24" (1/1) ... [2023-08-30 08:26:24,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:26:24" (1/1) ... [2023-08-30 08:26:24,539 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:26:24" (1/1) ... [2023-08-30 08:26:24,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:26:24" (1/1) ... [2023-08-30 08:26:24,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:26:24" (1/1) ... [2023-08-30 08:26:24,547 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:26:24" (1/1) ... [2023-08-30 08:26:24,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:26:24" (1/1) ... [2023-08-30 08:26:24,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 08:26:24,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 08:26:24,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 08:26:24,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 08:26:24,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 08:26:24" (1/1) ... [2023-08-30 08:26:24,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 08:26:24,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 08:26:24,579 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 08:26:24,600 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 08:26:24,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 08:26:24,619 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-08-30 08:26:24,619 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-08-30 08:26:24,619 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 08:26:24,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 08:26:24,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 08:26:24,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 08:26:24,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 08:26:24,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 08:26:24,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 08:26:24,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 08:26:24,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 08:26:24,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 08:26:24,621 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 08:26:24,783 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 08:26:24,785 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 08:26:24,956 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 08:26:24,997 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 08:26:24,997 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-30 08:26:24,998 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2023-08-30 08:26:24,999 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 08:26:25,005 INFO L158 Benchmark]: Toolchain (without parser) took 836.14ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 47.9MB in the beginning and 53.5MB in the end (delta: -5.6MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2023-08-30 08:26:25,006 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 52.4MB. Free memory was 30.5MB in the beginning and 30.5MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 08:26:25,006 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.12ms. Allocated memory is still 71.3MB. Free memory was 47.6MB in the beginning and 43.5MB in the end (delta: 4.1MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2023-08-30 08:26:25,007 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.01ms. Allocated memory is still 71.3MB. Free memory was 43.5MB in the beginning and 41.3MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 08:26:25,007 INFO L158 Benchmark]: Boogie Preprocessor took 19.66ms. Allocated memory is still 71.3MB. Free memory was 41.3MB in the beginning and 39.6MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 08:26:25,008 INFO L158 Benchmark]: RCFGBuilder took 452.27ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 39.6MB in the beginning and 53.5MB in the end (delta: -13.9MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2023-08-30 08:26:25,010 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 52.4MB. Free memory was 30.5MB in the beginning and 30.5MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.12ms. Allocated memory is still 71.3MB. Free memory was 47.6MB in the beginning and 43.5MB in the end (delta: 4.1MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.01ms. Allocated memory is still 71.3MB. Free memory was 43.5MB in the beginning and 41.3MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.66ms. Allocated memory is still 71.3MB. Free memory was 41.3MB in the beginning and 39.6MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 452.27ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 39.6MB in the beginning and 53.5MB in the end (delta: -13.9MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 08:26:25,025 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?