./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 TOGETHER --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 TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 22:52:21,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:52:21,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:52:21,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:52:21,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:52:21,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:52:21,708 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:52:21,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:52:21,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:52:21,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:52:21,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:52:21,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:52:21,722 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:52:21,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:52:21,725 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:52:21,728 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:52:21,729 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:52:21,730 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:52:21,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:52:21,740 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:52:21,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:52:21,748 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:52:21,749 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:52:21,749 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:52:21,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:52:21,756 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:52:21,756 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:52:21,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:52:21,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:52:21,759 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:52:21,760 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:52:21,766 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:52:21,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:52:21,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:52:21,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:52:21,769 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:52:21,770 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:52:21,770 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:52:21,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:52:21,771 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:52:21,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:52:21,773 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 22:52:21,806 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:52:21,806 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:52:21,807 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:52:21,807 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:52:21,808 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:52:21,809 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:52:21,809 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:52:21,809 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:52:21,809 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:52:21,810 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:52:21,810 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:52:21,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 22:52:21,811 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:52:21,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:52:21,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:52:21,811 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:52:21,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:52:21,812 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:52:21,812 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:52:21,812 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:52:21,812 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:52:21,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:52:21,813 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:52:21,813 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:52:21,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:52:21,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:52:21,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:52:21,814 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:52:21,814 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 22:52:21,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 22:52:21,814 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:52:21,814 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:52:21,815 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:52:21,815 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:52:21,815 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:52:21,815 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-30 22:52:22,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:52:22,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:52:22,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:52:22,152 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:52:22,153 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:52:22,154 INFO L432 ainManager$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 22:52:23,359 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:52:23,593 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:52:23,593 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/02_inc_cas.i [2023-08-30 22:52:23,604 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b189209e/1b6dca8aacfd41bcbf725171399c65ea/FLAG066dda888 [2023-08-30 22:52:23,618 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b189209e/1b6dca8aacfd41bcbf725171399c65ea [2023-08-30 22:52:23,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:52:23,621 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:52:23,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:52:23,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:52:23,626 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:52:23,627 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:52:23" (1/1) ... [2023-08-30 22:52:23,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20c75a8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:52:23, skipping insertion in model container [2023-08-30 22:52:23,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:52:23" (1/1) ... [2023-08-30 22:52:23,638 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:52:23,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:52:23,814 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-30 22:52:23,953 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 22:52:23,962 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:52:23,970 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:52:23,991 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-30 22:52:24,007 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 22:52:24,009 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:52:24,039 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:52:24,039 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:52:24,039 WARN L667 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:52:24,045 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:52:24,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:52:24 WrapperNode [2023-08-30 22:52:24,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:52:24,047 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:52:24,047 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:52:24,047 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:52:24,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:52:24" (1/1) ... [2023-08-30 22:52:24,080 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:52:24" (1/1) ... [2023-08-30 22:52:24,097 INFO L138 Inliner]: procedures = 171, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2023-08-30 22:52:24,098 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:52:24,098 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:52:24,098 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:52:24,103 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:52:24,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:52:24" (1/1) ... [2023-08-30 22:52:24,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:52:24" (1/1) ... [2023-08-30 22:52:24,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:52:24" (1/1) ... [2023-08-30 22:52:24,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:52:24" (1/1) ... [2023-08-30 22:52:24,128 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:52:24" (1/1) ... [2023-08-30 22:52:24,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:52:24" (1/1) ... [2023-08-30 22:52:24,137 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:52:24" (1/1) ... [2023-08-30 22:52:24,143 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:52:24" (1/1) ... [2023-08-30 22:52:24,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:52:24,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:52:24,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:52:24,146 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:52:24,150 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:52:24" (1/1) ... [2023-08-30 22:52:24,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:52:24,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:52:24,183 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 22:52:24,193 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 22:52:24,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 22:52:24,222 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-08-30 22:52:24,222 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-08-30 22:52:24,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 22:52:24,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 22:52:24,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:52:24,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:52:24,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:52:24,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 22:52:24,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 22:52:24,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:52:24,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:52:24,224 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 22:52:24,396 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:52:24,398 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:52:24,581 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:52:24,686 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:52:24,690 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-30 22:52:24,691 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2023-08-30 22:52:24,692 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 22:52:24,697 INFO L158 Benchmark]: Toolchain (without parser) took 1074.64ms. Allocated memory is still 69.2MB. Free memory was 35.7MB in the beginning and 30.3MB in the end (delta: 5.4MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2023-08-30 22:52:24,697 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 54.5MB. Free memory was 32.2MB in the beginning and 32.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:52:24,698 INFO L158 Benchmark]: CACSL2BoogieTranslator took 423.54ms. Allocated memory is still 69.2MB. Free memory was 35.4MB in the beginning and 31.4MB in the end (delta: 4.0MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2023-08-30 22:52:24,699 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.04ms. Allocated memory is still 69.2MB. Free memory was 31.4MB in the beginning and 29.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:52:24,699 INFO L158 Benchmark]: Boogie Preprocessor took 46.95ms. Allocated memory is still 69.2MB. Free memory was 29.6MB in the beginning and 48.3MB in the end (delta: -18.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 22:52:24,700 INFO L158 Benchmark]: RCFGBuilder took 549.58ms. Allocated memory is still 69.2MB. Free memory was 48.3MB in the beginning and 30.3MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-30 22:52:24,706 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 54.5MB. Free memory was 32.2MB in the beginning and 32.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 423.54ms. Allocated memory is still 69.2MB. Free memory was 35.4MB in the beginning and 31.4MB in the end (delta: 4.0MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.04ms. Allocated memory is still 69.2MB. Free memory was 31.4MB in the beginning and 29.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.95ms. Allocated memory is still 69.2MB. Free memory was 29.6MB in the beginning and 48.3MB in the end (delta: -18.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 549.58ms. Allocated memory is still 69.2MB. Free memory was 48.3MB in the beginning and 30.3MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 22:52:24,728 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-ext/02_inc_cas.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-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 TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 22:52:26,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:52:26,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:52:26,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:52:26,701 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:52:26,704 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:52:26,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:52:26,708 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:52:26,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:52:26,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:52:26,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:52:26,718 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:52:26,718 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:52:26,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:52:26,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:52:26,726 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:52:26,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:52:26,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:52:26,729 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:52:26,734 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:52:26,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:52:26,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:52:26,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:52:26,744 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:52:26,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:52:26,751 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:52:26,751 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:52:26,752 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:52:26,752 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:52:26,753 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:52:26,753 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:52:26,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:52:26,760 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:52:26,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:52:26,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:52:26,762 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:52:26,763 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:52:26,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:52:26,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:52:26,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:52:26,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:52:26,766 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-08-30 22:52:26,794 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:52:26,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:52:26,795 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:52:26,795 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:52:26,796 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:52:26,796 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:52:26,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:52:26,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:52:26,797 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:52:26,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:52:26,798 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:52:26,798 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:52:26,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:52:26,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:52:26,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:52:26,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:52:26,799 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 22:52:26,799 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 22:52:26,800 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 22:52:26,800 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:52:26,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:52:26,800 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:52:26,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:52:26,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:52:26,801 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:52:26,801 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:52:26,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:52:26,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:52:26,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:52:26,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:52:26,802 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 22:52:26,802 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 22:52:26,802 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:52:26,803 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:52:26,803 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:52:26,803 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:52:26,803 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 22:52:26,803 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:52:26,804 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-30 22:52:27,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:52:27,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:52:27,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:52:27,134 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:52:27,134 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:52:27,135 INFO L432 ainManager$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 22:52:28,379 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:52:28,666 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:52:28,666 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/02_inc_cas.i [2023-08-30 22:52:28,685 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c432408fa/489e8dfbebfc4eefbf7860e2988ace5b/FLAG4d44c67a2 [2023-08-30 22:52:28,706 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c432408fa/489e8dfbebfc4eefbf7860e2988ace5b [2023-08-30 22:52:28,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:52:28,710 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:52:28,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:52:28,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:52:28,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:52:28,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:52:28" (1/1) ... [2023-08-30 22:52:28,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a3964d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:52:28, skipping insertion in model container [2023-08-30 22:52:28,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:52:28" (1/1) ... [2023-08-30 22:52:28,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:52:28,769 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:52:28,950 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-30 22:52:29,095 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 22:52:29,103 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:52:29,134 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:52:29,157 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-30 22:52:29,186 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 22:52:29,188 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:52:29,213 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:52:29,214 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:52:29,214 WARN L667 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:52:29,219 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:52:29,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:52:29 WrapperNode [2023-08-30 22:52:29,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:52:29,221 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:52:29,221 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:52:29,221 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:52:29,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:52:29" (1/1) ... [2023-08-30 22:52:29,249 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:52:29" (1/1) ... [2023-08-30 22:52:29,267 INFO L138 Inliner]: procedures = 175, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2023-08-30 22:52:29,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:52:29,268 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:52:29,268 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:52:29,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:52:29,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:52:29" (1/1) ... [2023-08-30 22:52:29,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:52:29" (1/1) ... [2023-08-30 22:52:29,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:52:29" (1/1) ... [2023-08-30 22:52:29,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:52:29" (1/1) ... [2023-08-30 22:52:29,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:52:29" (1/1) ... [2023-08-30 22:52:29,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:52:29" (1/1) ... [2023-08-30 22:52:29,291 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:52:29" (1/1) ... [2023-08-30 22:52:29,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:52:29" (1/1) ... [2023-08-30 22:52:29,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:52:29,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:52:29,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:52:29,297 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:52:29,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:52:29" (1/1) ... [2023-08-30 22:52:29,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:52:29,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:52:29,333 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 22:52:29,338 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 22:52:29,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 22:52:29,369 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-08-30 22:52:29,369 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-08-30 22:52:29,369 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 22:52:29,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:52:29,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:52:29,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:52:29,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 22:52:29,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 22:52:29,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 22:52:29,371 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 22:52:29,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:52:29,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:52:29,388 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 22:52:29,569 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:52:29,570 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:52:29,760 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:52:29,847 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:52:29,851 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-30 22:52:29,852 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2023-08-30 22:52:29,853 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 22:52:29,859 INFO L158 Benchmark]: Toolchain (without parser) took 1147.81ms. Allocated memory is still 67.1MB. Free memory was 44.0MB in the beginning and 31.0MB in the end (delta: 13.0MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2023-08-30 22:52:29,859 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 54.5MB. Free memory was 32.4MB in the beginning and 32.3MB in the end (delta: 85.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:52:29,860 INFO L158 Benchmark]: CACSL2BoogieTranslator took 506.63ms. Allocated memory is still 67.1MB. Free memory was 43.8MB in the beginning and 38.4MB in the end (delta: 5.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-30 22:52:29,860 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.88ms. Allocated memory is still 67.1MB. Free memory was 38.4MB in the beginning and 36.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:52:29,861 INFO L158 Benchmark]: Boogie Preprocessor took 27.45ms. Allocated memory is still 67.1MB. Free memory was 36.3MB in the beginning and 34.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:52:29,862 INFO L158 Benchmark]: RCFGBuilder took 560.61ms. Allocated memory is still 67.1MB. Free memory was 34.4MB in the beginning and 31.3MB in the end (delta: 3.1MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2023-08-30 22:52:29,869 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 54.5MB. Free memory was 32.4MB in the beginning and 32.3MB in the end (delta: 85.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 506.63ms. Allocated memory is still 67.1MB. Free memory was 43.8MB in the beginning and 38.4MB in the end (delta: 5.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.88ms. Allocated memory is still 67.1MB. Free memory was 38.4MB in the beginning and 36.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.45ms. Allocated memory is still 67.1MB. Free memory was 36.3MB in the beginning and 34.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 560.61ms. Allocated memory is still 67.1MB. Free memory was 34.4MB in the beginning and 31.3MB in the end (delta: 3.1MB). Peak memory consumption was 7.4MB. 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 22:52:29,891 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?