./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-ext/02_inc_cas.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-ext/02_inc_cas.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-09-01 09:04:33,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-09-01 09:04:33,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-09-01 09:04:33,430 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-09-01 09:04:33,430 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-09-01 09:04:33,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-09-01 09:04:33,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-09-01 09:04:33,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-09-01 09:04:33,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-09-01 09:04:33,443 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-09-01 09:04:33,444 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-09-01 09:04:33,447 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-09-01 09:04:33,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-09-01 09:04:33,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-09-01 09:04:33,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-09-01 09:04:33,455 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-09-01 09:04:33,456 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-09-01 09:04:33,457 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-09-01 09:04:33,459 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-09-01 09:04:33,463 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-09-01 09:04:33,464 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-09-01 09:04:33,465 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-09-01 09:04:33,466 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-09-01 09:04:33,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-09-01 09:04:33,473 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-09-01 09:04:33,473 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-09-01 09:04:33,474 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-09-01 09:04:33,475 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-09-01 09:04:33,476 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-09-01 09:04:33,477 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-09-01 09:04:33,477 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-09-01 09:04:33,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-09-01 09:04:33,480 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-09-01 09:04:33,481 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-09-01 09:04:33,481 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-09-01 09:04:33,482 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-09-01 09:04:33,482 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-09-01 09:04:33,482 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-09-01 09:04:33,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-09-01 09:04:33,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-09-01 09:04:33,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-09-01 09:04:33,495 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-09-01 09:04:33,517 INFO L113 SettingsManager]: Loading preferences was successful [2023-09-01 09:04:33,517 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-01 09:04:33,518 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-01 09:04:33,518 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-01 09:04:33,518 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-01 09:04:33,519 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-01 09:04:33,519 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-01 09:04:33,519 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-09-01 09:04:33,520 INFO L138 SettingsManager]: * Use SBE=true [2023-09-01 09:04:33,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-01 09:04:33,520 INFO L138 SettingsManager]: * sizeof long=4 [2023-09-01 09:04:33,520 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-01 09:04:33,520 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-09-01 09:04:33,520 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-09-01 09:04:33,521 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-01 09:04:33,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-01 09:04:33,521 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-01 09:04:33,521 INFO L138 SettingsManager]: * sizeof long double=12 [2023-09-01 09:04:33,521 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-09-01 09:04:33,521 INFO L138 SettingsManager]: * Use constant arrays=true [2023-09-01 09:04:33,522 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-01 09:04:33,522 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-01 09:04:33,522 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-01 09:04:33,522 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-01 09:04:33,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 09:04:33,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-01 09:04:33,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-01 09:04:33,523 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-01 09:04:33,523 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-01 09:04:33,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-01 09:04:33,523 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-09-01 09:04:33,524 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-01 09:04:33,524 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-09-01 09:04:33,524 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-09-01 09:04:33,524 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-09-01 09:04:33,524 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-09-01 09:04:33,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-01 09:04:33,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-01 09:04:33,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-01 09:04:33,830 INFO L271 PluginConnector]: Initializing CDTParser... [2023-09-01 09:04:33,830 INFO L275 PluginConnector]: CDTParser initialized [2023-09-01 09:04:33,832 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/02_inc_cas.i [2023-09-01 09:04:34,941 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-09-01 09:04:35,197 INFO L351 CDTParser]: Found 1 translation units. [2023-09-01 09:04:35,198 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/02_inc_cas.i [2023-09-01 09:04:35,209 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7fc5b557/8edc1a477eb946f08264f023de6cf30b/FLAGa4fe8b55c [2023-09-01 09:04:35,223 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7fc5b557/8edc1a477eb946f08264f023de6cf30b [2023-09-01 09:04:35,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-01 09:04:35,227 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-09-01 09:04:35,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-01 09:04:35,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-01 09:04:35,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-01 09:04:35,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 09:04:35" (1/1) ... [2023-09-01 09:04:35,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e8a2c11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 09:04:35, skipping insertion in model container [2023-09-01 09:04:35,233 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 09:04:35" (1/1) ... [2023-09-01 09:04:35,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-09-01 09:04:35,278 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-09-01 09:04:35,459 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-09-01 09:04:35,595 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] [2023-09-01 09:04:35,603 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 09:04:35,611 INFO L203 MainTranslator]: Completed pre-run [2023-09-01 09:04:35,632 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-09-01 09:04:35,661 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] [2023-09-01 09:04:35,665 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 09:04:35,698 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 09:04:35,698 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 09:04:35,698 WARN L667 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 09:04:35,704 INFO L208 MainTranslator]: Completed translation [2023-09-01 09:04:35,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 09:04:35 WrapperNode [2023-09-01 09:04:35,704 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-01 09:04:35,705 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-01 09:04:35,706 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-01 09:04:35,706 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-01 09:04:35,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 09:04:35" (1/1) ... [2023-09-01 09:04:35,738 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 09:04:35" (1/1) ... [2023-09-01 09:04:35,760 INFO L138 Inliner]: procedures = 171, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2023-09-01 09:04:35,761 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-01 09:04:35,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-01 09:04:35,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-01 09:04:35,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-09-01 09:04:35,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 09:04:35" (1/1) ... [2023-09-01 09:04:35,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 09:04:35" (1/1) ... [2023-09-01 09:04:35,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 09:04:35" (1/1) ... [2023-09-01 09:04:35,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 09:04:35" (1/1) ... [2023-09-01 09:04:35,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 09:04:35" (1/1) ... [2023-09-01 09:04:35,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 09:04:35" (1/1) ... [2023-09-01 09:04:35,799 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 09:04:35" (1/1) ... [2023-09-01 09:04:35,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 09:04:35" (1/1) ... [2023-09-01 09:04:35,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-01 09:04:35,806 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-01 09:04:35,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-09-01 09:04:35,806 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-09-01 09:04:35,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 09:04:35" (1/1) ... [2023-09-01 09:04:35,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 09:04:35,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-01 09:04:35,837 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) [2023-09-01 09:04:35,863 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 [2023-09-01 09:04:35,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-01 09:04:35,878 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-09-01 09:04:35,878 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-09-01 09:04:35,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-01 09:04:35,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-01 09:04:35,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-01 09:04:35,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-01 09:04:35,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-01 09:04:35,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-01 09:04:35,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-01 09:04:35,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-01 09:04:35,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-01 09:04:35,880 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-01 09:04:36,039 INFO L236 CfgBuilder]: Building ICFG [2023-09-01 09:04:36,040 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-01 09:04:36,229 INFO L277 CfgBuilder]: Performing block encoding [2023-09-01 09:04:36,321 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-01 09:04:36,321 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-09-01 09:04:36,322 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2023-09-01 09:04:36,323 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) [2023-09-01 09:04:36,328 INFO L158 Benchmark]: Toolchain (without parser) took 1100.14ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 46.8MB in the beginning and 55.1MB in the end (delta: -8.4MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2023-09-01 09:04:36,329 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 48.2MB. Free memory was 26.8MB in the beginning and 26.8MB in the end (delta: 30.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-09-01 09:04:36,330 INFO L158 Benchmark]: CACSL2BoogieTranslator took 476.31ms. Allocated memory is still 69.2MB. Free memory was 46.6MB in the beginning and 43.5MB in the end (delta: 3.1MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2023-09-01 09:04:36,330 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.85ms. Allocated memory is still 69.2MB. Free memory was 43.5MB in the beginning and 41.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-09-01 09:04:36,331 INFO L158 Benchmark]: Boogie Preprocessor took 42.78ms. Allocated memory is still 69.2MB. Free memory was 41.5MB in the beginning and 40.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-09-01 09:04:36,332 INFO L158 Benchmark]: RCFGBuilder took 520.96ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 40.0MB in the beginning and 55.3MB in the end (delta: -15.3MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2023-09-01 09:04:36,338 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 48.2MB. Free memory was 26.8MB in the beginning and 26.8MB in the end (delta: 30.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 476.31ms. Allocated memory is still 69.2MB. Free memory was 46.6MB in the beginning and 43.5MB in the end (delta: 3.1MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.85ms. Allocated memory is still 69.2MB. Free memory was 43.5MB in the beginning and 41.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.78ms. Allocated memory is still 69.2MB. Free memory was 41.5MB in the beginning and 40.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 520.96ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 40.0MB in the beginning and 55.3MB in the end (delta: -15.3MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-09-01 09:04:36,356 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-ext/02_inc_cas.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-09-01 09:04:38,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-09-01 09:04:38,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-09-01 09:04:38,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-09-01 09:04:38,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-09-01 09:04:38,195 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-09-01 09:04:38,197 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-09-01 09:04:38,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-09-01 09:04:38,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-09-01 09:04:38,205 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-09-01 09:04:38,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-09-01 09:04:38,208 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-09-01 09:04:38,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-09-01 09:04:38,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-09-01 09:04:38,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-09-01 09:04:38,214 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-09-01 09:04:38,215 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-09-01 09:04:38,216 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-09-01 09:04:38,217 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-09-01 09:04:38,222 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-09-01 09:04:38,237 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-09-01 09:04:38,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-09-01 09:04:38,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-09-01 09:04:38,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-09-01 09:04:38,248 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-09-01 09:04:38,248 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-09-01 09:04:38,249 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-09-01 09:04:38,250 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-09-01 09:04:38,251 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-09-01 09:04:38,252 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-09-01 09:04:38,252 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-09-01 09:04:38,258 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-09-01 09:04:38,259 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-09-01 09:04:38,260 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-09-01 09:04:38,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-09-01 09:04:38,261 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-09-01 09:04:38,262 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-09-01 09:04:38,262 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-09-01 09:04:38,262 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-09-01 09:04:38,263 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-09-01 09:04:38,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-09-01 09:04:38,265 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-09-01 09:04:38,298 INFO L113 SettingsManager]: Loading preferences was successful [2023-09-01 09:04:38,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-01 09:04:38,299 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-01 09:04:38,299 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-01 09:04:38,300 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-01 09:04:38,300 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-01 09:04:38,301 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-01 09:04:38,301 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-09-01 09:04:38,301 INFO L138 SettingsManager]: * Use SBE=true [2023-09-01 09:04:38,301 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-01 09:04:38,302 INFO L138 SettingsManager]: * sizeof long=4 [2023-09-01 09:04:38,302 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-09-01 09:04:38,302 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-09-01 09:04:38,302 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-01 09:04:38,303 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-01 09:04:38,303 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-01 09:04:38,303 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-09-01 09:04:38,303 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-09-01 09:04:38,303 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-09-01 09:04:38,304 INFO L138 SettingsManager]: * sizeof long double=12 [2023-09-01 09:04:38,304 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-09-01 09:04:38,304 INFO L138 SettingsManager]: * Use constant arrays=true [2023-09-01 09:04:38,304 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-01 09:04:38,304 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-01 09:04:38,304 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-01 09:04:38,305 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-01 09:04:38,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 09:04:38,305 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-01 09:04:38,305 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-01 09:04:38,305 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-01 09:04:38,306 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-09-01 09:04:38,306 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-09-01 09:04:38,306 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-09-01 09:04:38,306 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-01 09:04:38,307 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-09-01 09:04:38,307 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-09-01 09:04:38,307 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-09-01 09:04:38,307 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-09-01 09:04:38,307 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-09-01 09:04:38,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-01 09:04:38,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-01 09:04:38,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-01 09:04:38,642 INFO L271 PluginConnector]: Initializing CDTParser... [2023-09-01 09:04:38,642 INFO L275 PluginConnector]: CDTParser initialized [2023-09-01 09:04:38,643 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/02_inc_cas.i [2023-09-01 09:04:39,829 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-09-01 09:04:40,096 INFO L351 CDTParser]: Found 1 translation units. [2023-09-01 09:04:40,097 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/02_inc_cas.i [2023-09-01 09:04:40,116 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18cc4d01e/8493fae0b5724c8b8e46dc2c0bd544d1/FLAG657a11a5c [2023-09-01 09:04:40,131 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18cc4d01e/8493fae0b5724c8b8e46dc2c0bd544d1 [2023-09-01 09:04:40,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-01 09:04:40,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-09-01 09:04:40,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-01 09:04:40,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-01 09:04:40,140 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-01 09:04:40,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 09:04:40" (1/1) ... [2023-09-01 09:04:40,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@492b9a13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 09:04:40, skipping insertion in model container [2023-09-01 09:04:40,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 09:04:40" (1/1) ... [2023-09-01 09:04:40,148 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-09-01 09:04:40,189 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-09-01 09:04:40,323 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-09-01 09:04:40,470 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] [2023-09-01 09:04:40,478 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 09:04:40,488 INFO L203 MainTranslator]: Completed pre-run [2023-09-01 09:04:40,509 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-09-01 09:04:40,534 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] [2023-09-01 09:04:40,536 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 09:04:40,572 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 09:04:40,572 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 09:04:40,573 WARN L667 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 09:04:40,578 INFO L208 MainTranslator]: Completed translation [2023-09-01 09:04:40,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 09:04:40 WrapperNode [2023-09-01 09:04:40,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-01 09:04:40,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-01 09:04:40,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-01 09:04:40,580 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-01 09:04:40,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 09:04:40" (1/1) ... [2023-09-01 09:04:40,617 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 09:04:40" (1/1) ... [2023-09-01 09:04:40,640 INFO L138 Inliner]: procedures = 175, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2023-09-01 09:04:40,640 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-01 09:04:40,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-01 09:04:40,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-01 09:04:40,641 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-09-01 09:04:40,648 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 09:04:40" (1/1) ... [2023-09-01 09:04:40,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 09:04:40" (1/1) ... [2023-09-01 09:04:40,660 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 09:04:40" (1/1) ... [2023-09-01 09:04:40,660 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 09:04:40" (1/1) ... [2023-09-01 09:04:40,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 09:04:40" (1/1) ... [2023-09-01 09:04:40,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 09:04:40" (1/1) ... [2023-09-01 09:04:40,683 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 09:04:40" (1/1) ... [2023-09-01 09:04:40,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 09:04:40" (1/1) ... [2023-09-01 09:04:40,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-01 09:04:40,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-01 09:04:40,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-09-01 09:04:40,696 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-09-01 09:04:40,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 09:04:40" (1/1) ... [2023-09-01 09:04:40,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 09:04:40,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-01 09:04:40,726 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) [2023-09-01 09:04:40,750 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 [2023-09-01 09:04:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-09-01 09:04:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-09-01 09:04:40,760 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-09-01 09:04:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-01 09:04:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-01 09:04:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-01 09:04:40,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-01 09:04:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-09-01 09:04:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-09-01 09:04:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-09-01 09:04:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-01 09:04:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-01 09:04:40,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-01 09:04:40,762 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-01 09:04:40,886 INFO L236 CfgBuilder]: Building ICFG [2023-09-01 09:04:40,888 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-01 09:04:41,044 INFO L277 CfgBuilder]: Performing block encoding [2023-09-01 09:04:41,133 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-01 09:04:41,133 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-09-01 09:04:41,134 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2023-09-01 09:04:41,134 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) [2023-09-01 09:04:41,143 INFO L158 Benchmark]: Toolchain (without parser) took 1007.59ms. Allocated memory is still 77.6MB. Free memory was 48.8MB in the beginning and 48.3MB in the end (delta: 536.4kB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2023-09-01 09:04:41,143 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 56.6MB. Free memory was 34.5MB in the beginning and 34.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-09-01 09:04:41,144 INFO L158 Benchmark]: CACSL2BoogieTranslator took 442.32ms. Allocated memory is still 77.6MB. Free memory was 48.6MB in the beginning and 46.2MB in the end (delta: 2.5MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2023-09-01 09:04:41,144 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.30ms. Allocated memory is still 77.6MB. Free memory was 46.2MB in the beginning and 44.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-09-01 09:04:41,145 INFO L158 Benchmark]: Boogie Preprocessor took 54.38ms. Allocated memory is still 77.6MB. Free memory was 44.1MB in the beginning and 42.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-09-01 09:04:41,145 INFO L158 Benchmark]: RCFGBuilder took 445.85ms. Allocated memory is still 77.6MB. Free memory was 42.2MB in the beginning and 48.3MB in the end (delta: -6.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-09-01 09:04:41,148 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 56.6MB. Free memory was 34.5MB in the beginning and 34.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 442.32ms. Allocated memory is still 77.6MB. Free memory was 48.6MB in the beginning and 46.2MB in the end (delta: 2.5MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.30ms. Allocated memory is still 77.6MB. Free memory was 46.2MB in the beginning and 44.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.38ms. Allocated memory is still 77.6MB. Free memory was 44.1MB in the beginning and 42.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 445.85ms. Allocated memory is still 77.6MB. Free memory was 42.2MB in the beginning and 48.3MB in the end (delta: -6.1MB). Peak memory consumption was 14.7MB. 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. [2023-09-01 09:04:41,174 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?