/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --icfgbuilder.only.consider.context.switches.at.boundaries.of.atomic.blocks false --rcfgbuilder.only.consider.context.switches.at.boundaries.of.atomic.blocks false --traceabstraction.dfs.order.used.in.por BY_SERIAL_NUMBER --traceabstraction.abstraction.used.for.commutativity.in.por VARIABLES_GLOBAL --traceabstraction.commutativity.condition.synthesis NONE -i ../../../trunk/examples/svcomp/pthread-wmm/safe018_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.cfg-lbe-improvements-04aa6ae-m [2025-04-16 01:44:14,949 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-16 01:44:14,999 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-16 01:44:15,002 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-16 01:44:15,002 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-16 01:44:15,021 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-16 01:44:15,022 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-16 01:44:15,022 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-16 01:44:15,022 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-16 01:44:15,022 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-16 01:44:15,022 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-16 01:44:15,022 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-16 01:44:15,024 INFO L153 SettingsManager]: * Use SBE=true [2025-04-16 01:44:15,024 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-16 01:44:15,024 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-16 01:44:15,024 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-16 01:44:15,024 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-16 01:44:15,024 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-16 01:44:15,024 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-16 01:44:15,024 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-16 01:44:15,024 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-16 01:44:15,024 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-16 01:44:15,024 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-16 01:44:15,024 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-16 01:44:15,024 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-16 01:44:15,024 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-16 01:44:15,025 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-16 01:44:15,025 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-16 01:44:15,025 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-16 01:44:15,025 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-16 01:44:15,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-16 01:44:15,025 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-16 01:44:15,025 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-16 01:44:15,025 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-16 01:44:15,025 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-16 01:44:15,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-16 01:44:15,025 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-16 01:44:15,025 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-16 01:44:15,025 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-16 01:44:15,025 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-16 01:44:15,025 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-16 01:44:15,025 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-16 01:44:15,025 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-16 01:44:15,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-16 01:44:15,026 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-16 01:44:15,026 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-16 01:44:15,026 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-16 01:44:15,026 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Only consider context switches at boundaries of atomic blocks -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Only consider context switches at boundaries of atomic blocks -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> BY_SERIAL_NUMBER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstraction used for commutativity in POR -> VARIABLES_GLOBAL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NONE [2025-04-16 01:44:15,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-16 01:44:15,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-16 01:44:15,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-16 01:44:15,281 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-16 01:44:15,282 INFO L274 PluginConnector]: CDTParser initialized [2025-04-16 01:44:15,283 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe018_rmo.opt.i [2025-04-16 01:44:16,588 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9564896c8/2eba77495e6040b4917c13aa247a9a9d/FLAG802d0ab18 [2025-04-16 01:44:16,819 INFO L389 CDTParser]: Found 1 translation units. [2025-04-16 01:44:16,820 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe018_rmo.opt.i [2025-04-16 01:44:16,830 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9564896c8/2eba77495e6040b4917c13aa247a9a9d/FLAG802d0ab18 [2025-04-16 01:44:17,790 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9564896c8/2eba77495e6040b4917c13aa247a9a9d [2025-04-16 01:44:17,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-16 01:44:17,796 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-16 01:44:17,797 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-16 01:44:17,797 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-16 01:44:17,805 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-16 01:44:17,810 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 01:44:17" (1/1) ... [2025-04-16 01:44:17,811 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46e19d67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:44:17, skipping insertion in model container [2025-04-16 01:44:17,811 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 01:44:17" (1/1) ... [2025-04-16 01:44:17,868 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-16 01:44:18,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-16 01:44:18,288 INFO L200 MainTranslator]: Completed pre-run [2025-04-16 01:44:18,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-16 01:44:18,433 INFO L204 MainTranslator]: Completed translation [2025-04-16 01:44:18,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:44:18 WrapperNode [2025-04-16 01:44:18,434 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-16 01:44:18,434 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-16 01:44:18,434 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-16 01:44:18,434 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-16 01:44:18,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:44:18" (1/1) ... [2025-04-16 01:44:18,457 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:44:18" (1/1) ... [2025-04-16 01:44:18,482 INFO L138 Inliner]: procedures = 175, calls = 62, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 306 [2025-04-16 01:44:18,483 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-16 01:44:18,483 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-16 01:44:18,483 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-16 01:44:18,483 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-16 01:44:18,490 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:44:18" (1/1) ... [2025-04-16 01:44:18,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:44:18" (1/1) ... [2025-04-16 01:44:18,496 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:44:18" (1/1) ... [2025-04-16 01:44:18,496 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:44:18" (1/1) ... [2025-04-16 01:44:18,523 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:44:18" (1/1) ... [2025-04-16 01:44:18,531 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:44:18" (1/1) ... [2025-04-16 01:44:18,536 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:44:18" (1/1) ... [2025-04-16 01:44:18,539 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:44:18" (1/1) ... [2025-04-16 01:44:18,543 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:44:18" (1/1) ... [2025-04-16 01:44:18,553 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-16 01:44:18,554 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-16 01:44:18,554 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-16 01:44:18,554 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-16 01:44:18,555 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:44:18" (1/1) ... [2025-04-16 01:44:18,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-16 01:44:18,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-16 01:44:18,580 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-16 01:44:18,583 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-16 01:44:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-16 01:44:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-16 01:44:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-16 01:44:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-16 01:44:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-04-16 01:44:18,601 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-04-16 01:44:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-04-16 01:44:18,601 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-04-16 01:44:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-04-16 01:44:18,601 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-04-16 01:44:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-16 01:44:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-16 01:44:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-16 01:44:18,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-16 01:44:18,603 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-16 01:44:18,782 INFO L234 CfgBuilder]: Building ICFG [2025-04-16 01:44:18,784 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-16 01:44:20,222 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-16 01:44:20,223 INFO L289 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-16 01:44:20,223 INFO L294 CfgBuilder]: Performing block encoding [2025-04-16 01:44:23,031 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: BeginParallelComposition{ParallelCodeBlock0: havoc main_#t~nondet232#1;assume 0 == main_#t~nondet232#1 || 1 == main_#t~nondet232#1;~weak$$choice1~0 := (if 0 == main_#t~nondet232#1 % 256 then 0 else 1);havoc main_#t~nondet233#1;#race~weak$$choice1~0 := main_#t~nondet233#1;assume #race~weak$$choice1~0 == main_#t~nondet233#1;havoc main_#t~nondet232#1;havoc main_#t~nondet233#1;#race~__unbuffered_p2_EAX$read_delayed~0 := 0;assume 0 == #race~__unbuffered_p2_EAX$read_delayed~0;assume !(0 != ~__unbuffered_p2_EAX$read_delayed~0 % 256);#race~__unbuffered_p2_EAX~0 := 0;assume 0 == #race~__unbuffered_p2_EAX~0;main_#t~ite236#1 := ~__unbuffered_p2_EAX~0;ParallelCodeBlock1: havoc main_#t~nondet232#1;assume 0 == main_#t~nondet232#1 || 1 == main_#t~nondet232#1;~weak$$choice1~0 := (if 0 == main_#t~nondet232#1 % 256 then 0 else 1);havoc main_#t~nondet233#1;#race~weak$$choice1~0 := main_#t~nondet233#1;assume #race~weak$$choice1~0 == main_#t~nondet233#1;havoc main_#t~nondet232#1;havoc main_#t~nondet233#1;#race~__unbuffered_p2_EAX$read_delayed~0 := 0;assume 0 == #race~__unbuffered_p2_EAX$read_delayed~0;assume 0 != ~__unbuffered_p2_EAX$read_delayed~0 % 256;#race~weak$$choice1~0 := 0;assume 0 == #race~weak$$choice1~0;BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~weak$$choice1~0 % 256;#race~__unbuffered_p2_EAX$read_delayed_var~0 := 0;assume 0 == #race~__unbuffered_p2_EAX$read_delayed_var~0;call main_#t~mem234#1 := read~int(~__unbuffered_p2_EAX$read_delayed_var~0.base, ~__unbuffered_p2_EAX$read_delayed_var~0.offset, 4);#race := #race[~__unbuffered_p2_EAX$read_delayed_var~0.base,~__unbuffered_p2_EAX$read_delayed_var~0.offset := 0];#race := #race[~__unbuffered_p2_EAX$read_delayed_var~0.base,1 + ~__unbuffered_p2_EAX$read_delayed_var~0.offset := 0];#race := #race[~__unbuffered_p2_EAX$read_delayed_var~0.base,2 + ~__unbuffered_p2_EAX$read_delayed_var~0.offset := 0];#race := #race[~__unbuffered_p2_EAX$read_delayed_var~0.base,3 + ~__unbuffered_p2_EAX$read_delayed_var~0.offset := 0];assume ((0 == #race[~__unbuffered_p2_EAX$read_delayed_var~0.base,~__unbuffered_p2_EAX$read_delayed_var~0.offset] && 0 == #race[~__unbuffered_p2_EAX$read_delayed_var~0.base,1 + ~__unbuffered_p2_EAX$read_delayed_var~0.offset]) && 0 == #race[~__unbuffered_p2_EAX$read_delayed_var~0.base,2 + ~__unbuffered_p2_EAX$read_delayed_var~0.offset]) && 0 == #race[~__unbuffered_p2_EAX$read_delayed_var~0.base,3 + ~__unbuffered_p2_EAX$read_delayed_var~0.offset];main_#t~ite235#1 := main_#t~mem234#1;ParallelCodeBlock1: assume !(0 != ~weak$$choice1~0 % 256);#race~__unbuffered_p2_EAX~0 := 0;assume 0 == #race~__unbuffered_p2_EAX~0;main_#t~ite235#1 := ~__unbuffered_p2_EAX~0;}EndParallelCompositionmain_#t~ite236#1 := main_#t~ite235#1;}EndParallelComposition~__unbuffered_p2_EAX~0 := main_#t~ite236#1;havoc main_#t~nondet237#1;#race~__unbuffered_p2_EAX~0 := main_#t~nondet237#1;assume #race~__unbuffered_p2_EAX~0 == main_#t~nondet237#1;havoc main_#t~ite236#1;havoc main_#t~ite235#1;havoc main_#t~mem234#1;havoc main_#t~nondet237#1;#race~__unbuffered_p0_EAX~0 := 0;assume 0 == #race~__unbuffered_p0_EAX~0;main_#t~short238#1 := 1 == ~__unbuffered_p0_EAX~0;BeginParallelComposition{ParallelCodeBlock0: assume !main_#t~short238#1;ParallelCodeBlock1: assume main_#t~short238#1;#race~__unbuffered_p0_EBX~0 := 0;assume 0 == #race~__unbuffered_p0_EBX~0;main_#t~short238#1 := 0 == ~__unbuffered_p0_EBX~0;}EndParallelCompositionmain_#t~short239#1 := main_#t~short238#1;BeginParallelComposition{ParallelCodeBlock0: assume !main_#t~short239#1;ParallelCodeBlock1: assume main_#t~short239#1;#race~__unbuffered_p2_EAX~0 := 0;assume 0 == #race~__unbuffered_p2_EAX~0;main_#t~short239#1 := 1 == ~__unbuffered_p2_EAX~0;}EndParallelComposition~main$tmp_guard1~0 := (if 0 == (if !main_#t~short239#1 then 1 else 0) then 0 else 1);havoc main_#t~nondet240#1;#race~main$tmp_guard1~0 := main_#t~nondet240#1;assume #race~main$tmp_guard1~0 == main_#t~nondet240#1;havoc main_#t~short238#1;havoc main_#t~short239#1;havoc main_#t~nondet240#1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:310) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2025-04-16 01:44:23,036 INFO L158 Benchmark]: Toolchain (without parser) took 5238.85ms. Allocated memory was 155.2MB in the beginning and 692.1MB in the end (delta: 536.9MB). Free memory was 109.4MB in the beginning and 419.3MB in the end (delta: -309.9MB). Peak memory consumption was 283.5MB. Max. memory is 8.0GB. [2025-04-16 01:44:23,036 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 159.4MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-16 01:44:23,036 INFO L158 Benchmark]: CACSL2BoogieTranslator took 636.50ms. Allocated memory is still 155.2MB. Free memory was 109.4MB in the beginning and 77.5MB in the end (delta: 31.9MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2025-04-16 01:44:23,036 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.47ms. Allocated memory is still 155.2MB. Free memory was 77.5MB in the beginning and 74.2MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-16 01:44:23,037 INFO L158 Benchmark]: Boogie Preprocessor took 70.14ms. Allocated memory is still 155.2MB. Free memory was 74.2MB in the beginning and 67.4MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2025-04-16 01:44:23,037 INFO L158 Benchmark]: RCFGBuilder took 4480.88ms. Allocated memory was 155.2MB in the beginning and 692.1MB in the end (delta: 536.9MB). Free memory was 67.4MB in the beginning and 419.3MB in the end (delta: -351.9MB). Peak memory consumption was 241.6MB. Max. memory is 8.0GB. [2025-04-16 01:44:23,039 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 159.4MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 636.50ms. Allocated memory is still 155.2MB. Free memory was 109.4MB in the beginning and 77.5MB in the end (delta: 31.9MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 48.47ms. Allocated memory is still 155.2MB. Free memory was 77.5MB in the beginning and 74.2MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 70.14ms. Allocated memory is still 155.2MB. Free memory was 74.2MB in the beginning and 67.4MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * RCFGBuilder took 4480.88ms. Allocated memory was 155.2MB in the beginning and 692.1MB in the end (delta: 536.9MB). Free memory was 67.4MB in the beginning and 419.3MB in the end (delta: -351.9MB). Peak memory consumption was 241.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: BeginParallelComposition{ParallelCodeBlock0: havoc main_#t~nondet232#1;assume 0 == main_#t~nondet232#1 || 1 == main_#t~nondet232#1;~weak$$choice1~0 := (if 0 == main_#t~nondet232#1 % 256 then 0 else 1);havoc main_#t~nondet233#1;#race~weak$$choice1~0 := main_#t~nondet233#1;assume #race~weak$$choice1~0 == main_#t~nondet233#1;havoc main_#t~nondet232#1;havoc main_#t~nondet233#1;#race~__unbuffered_p2_EAX$read_delayed~0 := 0;assume 0 == #race~__unbuffered_p2_EAX$read_delayed~0;assume !(0 != ~__unbuffered_p2_EAX$read_delayed~0 % 256);#race~__unbuffered_p2_EAX~0 := 0;assume 0 == #race~__unbuffered_p2_EAX~0;main_#t~ite236#1 := ~__unbuffered_p2_EAX~0;ParallelCodeBlock1: havoc main_#t~nondet232#1;assume 0 == main_#t~nondet232#1 || 1 == main_#t~nondet232#1;~weak$$choice1~0 := (if 0 == main_#t~nondet232#1 % 256 then 0 else 1);havoc main_#t~nondet233#1;#race~weak$$choice1~0 := main_#t~nondet233#1;assume #race~weak$$choice1~0 == main_#t~nondet233#1;havoc main_#t~nondet232#1;havoc main_#t~nondet233#1;#race~__unbuffered_p2_EAX$read_delayed~0 := 0;assume 0 == #race~__unbuffered_p2_EAX$read_delayed~0;assume 0 != ~__unbuffered_p2_EAX$read_delayed~0 % 256;#race~weak$$choice1~0 := 0;assume 0 == #race~weak$$choice1~0;BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~weak$$choice1~0 % 256;#race~__unbuffered_p2_EAX$read_delayed_var~0 := 0;assume 0 == #race~__unbuffered_p2_EAX$read_delayed_var~0;call main_#t~mem234#1 := read~int(~__unbuffered_p2_EAX$read_delayed_var~0.base, ~__unbuffered_p2_EAX$read_delayed_var~0.offset, 4);#race := #race[~__unbuffered_p2_EAX$read_delayed_var~0.base,~__unbuffered_p2_EAX$read_delayed_var~0.offset := 0];#race := #race[~__unbuffered_p2_EAX$read_delayed_var~0.base,1 + ~__unbuffered_p2_EAX$read_delayed_var~0.offset := 0];#race := #race[~__unbuffered_p2_EAX$read_delayed_var~0.base,2 + ~__unbuffered_p2_EAX$read_delayed_var~0.offset := 0];#race := #race[~__unbuffered_p2_EAX$read_delayed_var~0.base,3 + ~__unbuffered_p2_EAX$read_delayed_var~0.offset := 0];assume ((0 == #race[~__unbuffered_p2_EAX$read_delayed_var~0.base,~__unbuffered_p2_EAX$read_delayed_var~0.offset] && 0 == #race[~__unbuffered_p2_EAX$read_delayed_var~0.base,1 + ~__unbuffered_p2_EAX$read_delayed_var~0.offset]) && 0 == #race[~__unbuffered_p2_EAX$read_delayed_var~0.base,2 + ~__unbuffered_p2_EAX$read_delayed_var~0.offset]) && 0 == #race[~__unbuffered_p2_EAX$read_delayed_var~0.base,3 + ~__unbuffered_p2_EAX$read_delayed_var~0.offset];main_#t~ite235#1 := main_#t~mem234#1;ParallelCodeBlock1: assume !(0 != ~weak$$choice1~0 % 256);#race~__unbuffered_p2_EAX~0 := 0;assume 0 == #race~__unbuffered_p2_EAX~0;main_#t~ite235#1 := ~__unbuffered_p2_EAX~0;}EndParallelCompositionmain_#t~ite236#1 := main_#t~ite235#1;}EndParallelComposition~__unbuffered_p2_EAX~0 := main_#t~ite236#1;havoc main_#t~nondet237#1;#race~__unbuffered_p2_EAX~0 := main_#t~nondet237#1;assume #race~__unbuffered_p2_EAX~0 == main_#t~nondet237#1;havoc main_#t~ite236#1;havoc main_#t~ite235#1;havoc main_#t~mem234#1;havoc main_#t~nondet237#1;#race~__unbuffered_p0_EAX~0 := 0;assume 0 == #race~__unbuffered_p0_EAX~0;main_#t~short238#1 := 1 == ~__unbuffered_p0_EAX~0;BeginParallelComposition{ParallelCodeBlock0: assume !main_#t~short238#1;ParallelCodeBlock1: assume main_#t~short238#1;#race~__unbuffered_p0_EBX~0 := 0;assume 0 == #race~__unbuffered_p0_EBX~0;main_#t~short238#1 := 0 == ~__unbuffered_p0_EBX~0;}EndParallelCompositionmain_#t~short239#1 := main_#t~short238#1;BeginParallelComposition{ParallelCodeBlock0: assume !main_#t~short239#1;ParallelCodeBlock1: assume main_#t~short239#1;#race~__unbuffered_p2_EAX~0 := 0;assume 0 == #race~__unbuffered_p2_EAX~0;main_#t~short239#1 := 1 == ~__unbuffered_p2_EAX~0;}EndParallelComposition~main$tmp_guard1~0 := (if 0 == (if !main_#t~short239#1 then 1 else 0) then 0 else 1);havoc main_#t~nondet240#1;#race~main$tmp_guard1~0 := main_#t~nondet240#1;assume #race~main$tmp_guard1~0 == main_#t~nondet240#1;havoc main_#t~short238#1;havoc main_#t~short239#1;havoc main_#t~nondet240#1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: BeginParallelComposition{ParallelCodeBlock0: havoc main_#t~nondet232#1;assume 0 == main_#t~nondet232#1 || 1 == main_#t~nondet232#1;~weak$$choice1~0 := (if 0 == main_#t~nondet232#1 % 256 then 0 else 1);havoc main_#t~nondet233#1;#race~weak$$choice1~0 := main_#t~nondet233#1;assume #race~weak$$choice1~0 == main_#t~nondet233#1;havoc main_#t~nondet232#1;havoc main_#t~nondet233#1;#race~__unbuffered_p2_EAX$read_delayed~0 := 0;assume 0 == #race~__unbuffered_p2_EAX$read_delayed~0;assume !(0 != ~__unbuffered_p2_EAX$read_delayed~0 % 256);#race~__unbuffered_p2_EAX~0 := 0;assume 0 == #race~__unbuffered_p2_EAX~0;main_#t~ite236#1 := ~__unbuffered_p2_EAX~0;ParallelCodeBlock1: havoc main_#t~nondet232#1;assume 0 == main_#t~nondet232#1 || 1 == main_#t~nondet232#1;~weak$$choice1~0 := (if 0 == main_#t~nondet232#1 % 256 then 0 else 1);havoc main_#t~nondet233#1;#race~weak$$choice1~0 := main_#t~nondet233#1;assume #race~weak$$choice1~0 == main_#t~nondet233#1;havoc main_#t~nondet232#1;havoc main_#t~nondet233#1;#race~__unbuffered_p2_EAX$read_delayed~0 := 0;assume 0 == #race~__unbuffered_p2_EAX$read_delayed~0;assume 0 != ~__unbuffered_p2_EAX$read_delayed~0 % 256;#race~weak$$choice1~0 := 0;assume 0 == #race~weak$$choice1~0;BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~weak$$choice1~0 % 256;#race~__unbuffered_p2_EAX$read_delayed_var~0 := 0;assume 0 == #race~__unbuffered_p2_EAX$read_delayed_var~0;call main_#t~mem234#1 := read~int(~__unbuffered_p2_EAX$read_delayed_var~0.base, ~__unbuffered_p2_EAX$read_delayed_var~0.offset, 4);#race := #race[~__unbuffered_p2_EAX$read_delayed_var~0.base,~__unbuffered_p2_EAX$read_delayed_var~0.offset := 0];#race := #race[~__unbuffered_p2_EAX$read_delayed_var~0.base,1 + ~__unbuffered_p2_EAX$read_delayed_var~0.offset := 0];#race := #race[~__unbuffered_p2_EAX$read_delayed_var~0.base,2 + ~__unbuffered_p2_EAX$read_delayed_var~0.offset := 0];#race := #race[~__unbuffered_p2_EAX$read_delayed_var~0.base,3 + ~__unbuffered_p2_EAX$read_delayed_var~0.offset := 0];assume ((0 == #race[~__unbuffered_p2_EAX$read_delayed_var~0.base,~__unbuffered_p2_EAX$read_delayed_var~0.offset] && 0 == #race[~__unbuffered_p2_EAX$read_delayed_var~0.base,1 + ~__unbuffered_p2_EAX$read_delayed_var~0.offset]) && 0 == #race[~__unbuffered_p2_EAX$read_delayed_var~0.base,2 + ~__unbuffered_p2_EAX$read_delayed_var~0.offset]) && 0 == #race[~__unbuffered_p2_EAX$read_delayed_var~0.base,3 + ~__unbuffered_p2_EAX$read_delayed_var~0.offset];main_#t~ite235#1 := main_#t~mem234#1;ParallelCodeBlock1: assume !(0 != ~weak$$choice1~0 % 256);#race~__unbuffered_p2_EAX~0 := 0;assume 0 == #race~__unbuffered_p2_EAX~0;main_#t~ite235#1 := ~__unbuffered_p2_EAX~0;}EndParallelCompositionmain_#t~ite236#1 := main_#t~ite235#1;}EndParallelComposition~__unbuffered_p2_EAX~0 := main_#t~ite236#1;havoc main_#t~nondet237#1;#race~__unbuffered_p2_EAX~0 := main_#t~nondet237#1;assume #race~__unbuffered_p2_EAX~0 == main_#t~nondet237#1;havoc main_#t~ite236#1;havoc main_#t~ite235#1;havoc main_#t~mem234#1;havoc main_#t~nondet237#1;#race~__unbuffered_p0_EAX~0 := 0;assume 0 == #race~__unbuffered_p0_EAX~0;main_#t~short238#1 := 1 == ~__unbuffered_p0_EAX~0;BeginParallelComposition{ParallelCodeBlock0: assume !main_#t~short238#1;ParallelCodeBlock1: assume main_#t~short238#1;#race~__unbuffered_p0_EBX~0 := 0;assume 0 == #race~__unbuffered_p0_EBX~0;main_#t~short238#1 := 0 == ~__unbuffered_p0_EBX~0;}EndParallelCompositionmain_#t~short239#1 := main_#t~short238#1;BeginParallelComposition{ParallelCodeBlock0: assume !main_#t~short239#1;ParallelCodeBlock1: assume main_#t~short239#1;#race~__unbuffered_p2_EAX~0 := 0;assume 0 == #race~__unbuffered_p2_EAX~0;main_#t~short239#1 := 1 == ~__unbuffered_p2_EAX~0;}EndParallelComposition~main$tmp_guard1~0 := (if 0 == (if !main_#t~short239#1 then 1 else 0) then 0 else 1);havoc main_#t~nondet240#1;#race~main$tmp_guard1~0 := main_#t~nondet240#1;assume #race~main$tmp_guard1~0 == main_#t~nondet240#1;havoc main_#t~short238#1;havoc main_#t~short239#1;havoc main_#t~nondet240#1;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2025-04-16 01:44:23,054 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...