/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/safe032_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.cfg-lbe-improvements-04aa6ae-m [2025-04-16 01:56:25,846 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-16 01:56:25,895 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 01:56:25,898 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-16 01:56:25,898 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-16 01:56:25,920 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-16 01:56:25,921 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-16 01:56:25,921 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-16 01:56:25,921 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-16 01:56:25,921 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-16 01:56:25,921 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-16 01:56:25,921 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-16 01:56:25,921 INFO L153 SettingsManager]: * Use SBE=true [2025-04-16 01:56:25,921 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-16 01:56:25,921 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-16 01:56:25,921 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-16 01:56:25,921 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-16 01:56:25,922 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-16 01:56:25,922 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-16 01:56:25,922 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-16 01:56:25,922 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-16 01:56:25,922 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-16 01:56:25,922 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-16 01:56:25,922 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-16 01:56:25,922 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-16 01:56:25,922 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-16 01:56:25,922 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-16 01:56:25,922 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-16 01:56:25,922 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-16 01:56:25,922 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-16 01:56:25,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-16 01:56:25,922 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-16 01:56:25,922 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-16 01:56:25,922 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-16 01:56:25,923 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-16 01:56:25,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-16 01:56:25,923 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-16 01:56:25,923 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-16 01:56:25,923 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-16 01:56:25,923 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-16 01:56:25,923 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-16 01:56:25,923 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-16 01:56:25,923 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-16 01:56:25,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-16 01:56:25,923 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-16 01:56:25,923 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-16 01:56:25,923 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-16 01:56:25,923 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 01:56:26,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-16 01:56:26,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-16 01:56:26,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-16 01:56:26,164 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-16 01:56:26,164 INFO L274 PluginConnector]: CDTParser initialized [2025-04-16 01:56:26,165 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe032_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2025-04-16 01:56:27,417 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac2809139/cb72356f5a7c4ec78aaffc33a8e4682d/FLAG366024b55 [2025-04-16 01:56:27,685 INFO L389 CDTParser]: Found 1 translation units. [2025-04-16 01:56:27,686 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe032_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2025-04-16 01:56:27,702 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac2809139/cb72356f5a7c4ec78aaffc33a8e4682d/FLAG366024b55 [2025-04-16 01:56:28,618 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac2809139/cb72356f5a7c4ec78aaffc33a8e4682d [2025-04-16 01:56:28,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-16 01:56:28,620 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-16 01:56:28,621 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-16 01:56:28,621 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-16 01:56:28,625 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-16 01:56:28,626 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 01:56:28" (1/1) ... [2025-04-16 01:56:28,628 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a80e8d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:56:28, skipping insertion in model container [2025-04-16 01:56:28,628 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 01:56:28" (1/1) ... [2025-04-16 01:56:28,655 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-16 01:56:29,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-16 01:56:29,040 INFO L200 MainTranslator]: Completed pre-run [2025-04-16 01:56:29,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-16 01:56:29,155 INFO L204 MainTranslator]: Completed translation [2025-04-16 01:56:29,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:56:29 WrapperNode [2025-04-16 01:56:29,156 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-16 01:56:29,157 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-16 01:56:29,157 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-16 01:56:29,158 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-16 01:56:29,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:56:29" (1/1) ... [2025-04-16 01:56:29,186 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:56:29" (1/1) ... [2025-04-16 01:56:29,223 INFO L138 Inliner]: procedures = 175, calls = 47, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 927 [2025-04-16 01:56:29,223 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-16 01:56:29,227 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-16 01:56:29,227 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-16 01:56:29,227 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-16 01:56:29,238 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:56:29" (1/1) ... [2025-04-16 01:56:29,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:56:29" (1/1) ... [2025-04-16 01:56:29,244 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:56:29" (1/1) ... [2025-04-16 01:56:29,244 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:56:29" (1/1) ... [2025-04-16 01:56:29,270 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:56:29" (1/1) ... [2025-04-16 01:56:29,276 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:56:29" (1/1) ... [2025-04-16 01:56:29,293 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:56:29" (1/1) ... [2025-04-16 01:56:29,297 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:56:29" (1/1) ... [2025-04-16 01:56:29,305 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:56:29" (1/1) ... [2025-04-16 01:56:29,320 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-16 01:56:29,321 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-16 01:56:29,321 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-16 01:56:29,321 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-16 01:56:29,323 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:56:29" (1/1) ... [2025-04-16 01:56:29,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-16 01:56:29,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-16 01:56:29,345 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 01:56:29,348 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 01:56:29,365 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-16 01:56:29,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-16 01:56:29,365 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-04-16 01:56:29,365 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-04-16 01:56:29,365 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-04-16 01:56:29,365 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-04-16 01:56:29,365 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-04-16 01:56:29,365 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-04-16 01:56:29,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-16 01:56:29,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-16 01:56:29,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-16 01:56:29,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-16 01:56:29,367 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 01:56:29,540 INFO L234 CfgBuilder]: Building ICFG [2025-04-16 01:56:29,541 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-16 01:56:31,194 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-16 01:56:31,196 INFO L289 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-16 01:56:31,196 INFO L294 CfgBuilder]: Performing block encoding [2025-04-16 01:56:34,407 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: #race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~short200#1 := 0 != ~x$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short200#1;ParallelCodeBlock1: assume #t~short200#1;#race~x$r_buff0_thd3~0 := 0;assume 0 == #race~x$r_buff0_thd3~0;#t~short200#1 := 0 != ~x$r_buff0_thd3~0 % 256;}EndParallelCompositionassume #t~short200#1;#race~x$w_buff0~0 := 0;assume 0 == #race~x$w_buff0~0;#t~ite203#1 := ~x$w_buff0~0;ParallelCodeBlock1: #race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~short200#1 := 0 != ~x$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short200#1;ParallelCodeBlock1: assume #t~short200#1;#race~x$r_buff0_thd3~0 := 0;assume 0 == #race~x$r_buff0_thd3~0;#t~short200#1 := 0 != ~x$r_buff0_thd3~0 % 256;}EndParallelCompositionassume !#t~short200#1;#race~x$w_buff1_used~0 := 0;assume 0 == #race~x$w_buff1_used~0;#t~short201#1 := 0 != ~x$w_buff1_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short201#1;ParallelCodeBlock1: assume #t~short201#1;#race~x$r_buff1_thd3~0 := 0;assume 0 == #race~x$r_buff1_thd3~0;#t~short201#1 := 0 != ~x$r_buff1_thd3~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short201#1;#race~x$w_buff1~0 := 0;assume 0 == #race~x$w_buff1~0;#t~ite202#1 := ~x$w_buff1~0;ParallelCodeBlock1: assume !#t~short201#1;#race~x~0 := 0;assume 0 == #race~x~0;#t~ite202#1 := ~x~0;}EndParallelComposition#t~ite203#1 := #t~ite202#1;}EndParallelComposition~x~0 := #t~ite203#1;havoc #t~nondet204#1;#race~x~0 := #t~nondet204#1;assume #race~x~0 == #t~nondet204#1;havoc #t~short200#1;havoc #t~ite203#1;havoc #t~short201#1;havoc #t~ite202#1;havoc #t~nondet204#1;#race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~short205#1 := 0 != ~x$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short205#1;ParallelCodeBlock1: assume #t~short205#1;#race~x$r_buff0_thd3~0 := 0;assume 0 == #race~x$r_buff0_thd3~0;#t~short205#1 := 0 != ~x$r_buff0_thd3~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short205#1;#t~ite206#1 := 0;ParallelCodeBlock1: assume !#t~short205#1;#race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~ite206#1 := ~x$w_buff0_used~0;}EndParallelComposition~x$w_buff0_used~0 := (if 0 == #t~ite206#1 % 256 then 0 else 1);havoc #t~nondet207#1;#race~x$w_buff0_used~0 := #t~nondet207#1;assume #race~x$w_buff0_used~0 == #t~nondet207#1;havoc #t~short205#1;havoc #t~ite206#1;havoc #t~nondet207#1;#race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~short208#1 := 0 != ~x$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short208#1;ParallelCodeBlock1: assume #t~short208#1;#race~x$r_buff0_thd3~0 := 0;assume 0 == #race~x$r_buff0_thd3~0;#t~short208#1 := 0 != ~x$r_buff0_thd3~0 % 256;}EndParallelComposition#t~short210#1 := #t~short208#1;BeginParallelComposition{ParallelCodeBlock0: assume #t~short210#1;ParallelCodeBlock1: assume !#t~short210#1;#race~x$w_buff1_used~0 := 0;assume 0 == #race~x$w_buff1_used~0;#t~short209#1 := 0 != ~x$w_buff1_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short209#1;ParallelCodeBlock1: assume #t~short209#1;#race~x$r_buff1_thd3~0 := 0;assume 0 == #race~x$r_buff1_thd3~0;#t~short209#1 := 0 != ~x$r_buff1_thd3~0 % 256;}EndParallelComposition#t~short210#1 := #t~short209#1;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short210#1;#t~ite211#1 := 0;ParallelCodeBlock1: assume !#t~short210#1;#race~x$w_buff1_used~0 := 0;assume 0 == #race~x$w_buff1_used~0;#t~ite211#1 := ~x$w_buff1_used~0;}EndParallelComposition~x$w_buff1_used~0 := (if 0 == #t~ite211#1 % 256 then 0 else 1);havoc #t~nondet212#1;#race~x$w_buff1_used~0 := #t~nondet212#1;assume #race~x$w_buff1_used~0 == #t~nondet212#1;havoc #t~short208#1;havoc #t~short209#1;havoc #t~short210#1;havoc #t~ite211#1;havoc #t~nondet212#1;#race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~short213#1 := 0 != ~x$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short213#1;ParallelCodeBlock1: assume #t~short213#1;#race~x$r_buff0_thd3~0 := 0;assume 0 == #race~x$r_buff0_thd3~0;#t~short213#1 := 0 != ~x$r_buff0_thd3~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short213#1;#t~ite214#1 := 0;ParallelCodeBlock1: assume !#t~short213#1;#race~x$r_buff0_thd3~0 := 0;assume 0 == #race~x$r_buff0_thd3~0;#t~ite214#1 := ~x$r_buff0_thd3~0;}EndParallelComposition~x$r_buff0_thd3~0 := (if 0 == #t~ite214#1 % 256 then 0 else 1);havoc #t~nondet215#1;#race~x$r_buff0_thd3~0 := #t~nondet215#1;assume #race~x$r_buff0_thd3~0 == #t~nondet215#1;havoc #t~short213#1;havoc #t~ite214#1;havoc #t~nondet215#1;#race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~short216#1 := 0 != ~x$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short216#1;ParallelCodeBlock1: assume #t~short216#1;#race~x$r_buff0_thd3~0 := 0;assume 0 == #race~x$r_buff0_thd3~0;#t~short216#1 := 0 != ~x$r_buff0_thd3~0 % 256;}EndParallelComposition#t~short218#1 := #t~short216#1;BeginParallelComposition{ParallelCodeBlock0: assume #t~short218#1;ParallelCodeBlock1: assume !#t~short218#1;#race~x$w_buff1_used~0 := 0;assume 0 == #race~x$w_buff1_used~0;#t~short217#1 := 0 != ~x$w_buff1_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short217#1;ParallelCodeBlock1: assume #t~short217#1;#race~x$r_buff1_thd3~0 := 0;assume 0 == #race~x$r_buff1_thd3~0;#t~short217#1 := 0 != ~x$r_buff1_thd3~0 % 256;}EndParallelComposition#t~short218#1 := #t~short217#1;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short218#1;#t~ite219#1 := 0;ParallelCodeBlock1: assume !#t~short218#1;#race~x$r_buff1_thd3~0 := 0;assume 0 == #race~x$r_buff1_thd3~0;#t~ite219#1 := ~x$r_buff1_thd3~0;}EndParallelComposition~x$r_buff1_thd3~0 := (if 0 == #t~ite219#1 % 256 then 0 else 1);havoc #t~nondet220#1;#race~x$r_buff1_thd3~0 := #t~nondet220#1;assume #race~x$r_buff1_thd3~0 == #t~nondet220#1;havoc #t~short216#1;havoc #t~short217#1;havoc #t~short218#1;havoc #t~ite219#1;havoc #t~nondet220#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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2025-04-16 01:56:34,413 INFO L158 Benchmark]: Toolchain (without parser) took 5791.85ms. Allocated memory was 125.8MB in the beginning and 570.4MB in the end (delta: 444.6MB). Free memory was 86.3MB in the beginning and 385.7MB in the end (delta: -299.4MB). Peak memory consumption was 437.9MB. Max. memory is 8.0GB. [2025-04-16 01:56:34,413 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 159.4MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-16 01:56:34,413 INFO L158 Benchmark]: CACSL2BoogieTranslator took 534.74ms. Allocated memory is still 125.8MB. Free memory was 86.3MB in the beginning and 51.9MB in the end (delta: 34.4MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2025-04-16 01:56:34,413 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.66ms. Allocated memory is still 125.8MB. Free memory was 51.9MB in the beginning and 46.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-16 01:56:34,414 INFO L158 Benchmark]: Boogie Preprocessor took 94.10ms. Allocated memory is still 125.8MB. Free memory was 46.7MB in the beginning and 40.5MB in the end (delta: 6.3MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2025-04-16 01:56:34,414 INFO L158 Benchmark]: RCFGBuilder took 5090.35ms. Allocated memory was 125.8MB in the beginning and 570.4MB in the end (delta: 444.6MB). Free memory was 40.5MB in the beginning and 385.7MB in the end (delta: -345.3MB). Peak memory consumption was 391.8MB. Max. memory is 8.0GB. [2025-04-16 01:56:34,418 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 159.4MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 534.74ms. Allocated memory is still 125.8MB. Free memory was 86.3MB in the beginning and 51.9MB in the end (delta: 34.4MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 65.66ms. Allocated memory is still 125.8MB. Free memory was 51.9MB in the beginning and 46.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 94.10ms. Allocated memory is still 125.8MB. Free memory was 46.7MB in the beginning and 40.5MB in the end (delta: 6.3MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * RCFGBuilder took 5090.35ms. Allocated memory was 125.8MB in the beginning and 570.4MB in the end (delta: 444.6MB). Free memory was 40.5MB in the beginning and 385.7MB in the end (delta: -345.3MB). Peak memory consumption was 391.8MB. 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: #race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~short200#1 := 0 != ~x$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short200#1;ParallelCodeBlock1: assume #t~short200#1;#race~x$r_buff0_thd3~0 := 0;assume 0 == #race~x$r_buff0_thd3~0;#t~short200#1 := 0 != ~x$r_buff0_thd3~0 % 256;}EndParallelCompositionassume #t~short200#1;#race~x$w_buff0~0 := 0;assume 0 == #race~x$w_buff0~0;#t~ite203#1 := ~x$w_buff0~0;ParallelCodeBlock1: #race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~short200#1 := 0 != ~x$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short200#1;ParallelCodeBlock1: assume #t~short200#1;#race~x$r_buff0_thd3~0 := 0;assume 0 == #race~x$r_buff0_thd3~0;#t~short200#1 := 0 != ~x$r_buff0_thd3~0 % 256;}EndParallelCompositionassume !#t~short200#1;#race~x$w_buff1_used~0 := 0;assume 0 == #race~x$w_buff1_used~0;#t~short201#1 := 0 != ~x$w_buff1_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short201#1;ParallelCodeBlock1: assume #t~short201#1;#race~x$r_buff1_thd3~0 := 0;assume 0 == #race~x$r_buff1_thd3~0;#t~short201#1 := 0 != ~x$r_buff1_thd3~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short201#1;#race~x$w_buff1~0 := 0;assume 0 == #race~x$w_buff1~0;#t~ite202#1 := ~x$w_buff1~0;ParallelCodeBlock1: assume !#t~short201#1;#race~x~0 := 0;assume 0 == #race~x~0;#t~ite202#1 := ~x~0;}EndParallelComposition#t~ite203#1 := #t~ite202#1;}EndParallelComposition~x~0 := #t~ite203#1;havoc #t~nondet204#1;#race~x~0 := #t~nondet204#1;assume #race~x~0 == #t~nondet204#1;havoc #t~short200#1;havoc #t~ite203#1;havoc #t~short201#1;havoc #t~ite202#1;havoc #t~nondet204#1;#race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~short205#1 := 0 != ~x$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short205#1;ParallelCodeBlock1: assume #t~short205#1;#race~x$r_buff0_thd3~0 := 0;assume 0 == #race~x$r_buff0_thd3~0;#t~short205#1 := 0 != ~x$r_buff0_thd3~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short205#1;#t~ite206#1 := 0;ParallelCodeBlock1: assume !#t~short205#1;#race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~ite206#1 := ~x$w_buff0_used~0;}EndParallelComposition~x$w_buff0_used~0 := (if 0 == #t~ite206#1 % 256 then 0 else 1);havoc #t~nondet207#1;#race~x$w_buff0_used~0 := #t~nondet207#1;assume #race~x$w_buff0_used~0 == #t~nondet207#1;havoc #t~short205#1;havoc #t~ite206#1;havoc #t~nondet207#1;#race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~short208#1 := 0 != ~x$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short208#1;ParallelCodeBlock1: assume #t~short208#1;#race~x$r_buff0_thd3~0 := 0;assume 0 == #race~x$r_buff0_thd3~0;#t~short208#1 := 0 != ~x$r_buff0_thd3~0 % 256;}EndParallelComposition#t~short210#1 := #t~short208#1;BeginParallelComposition{ParallelCodeBlock0: assume #t~short210#1;ParallelCodeBlock1: assume !#t~short210#1;#race~x$w_buff1_used~0 := 0;assume 0 == #race~x$w_buff1_used~0;#t~short209#1 := 0 != ~x$w_buff1_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short209#1;ParallelCodeBlock1: assume #t~short209#1;#race~x$r_buff1_thd3~0 := 0;assume 0 == #race~x$r_buff1_thd3~0;#t~short209#1 := 0 != ~x$r_buff1_thd3~0 % 256;}EndParallelComposition#t~short210#1 := #t~short209#1;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short210#1;#t~ite211#1 := 0;ParallelCodeBlock1: assume !#t~short210#1;#race~x$w_buff1_used~0 := 0;assume 0 == #race~x$w_buff1_used~0;#t~ite211#1 := ~x$w_buff1_used~0;}EndParallelComposition~x$w_buff1_used~0 := (if 0 == #t~ite211#1 % 256 then 0 else 1);havoc #t~nondet212#1;#race~x$w_buff1_used~0 := #t~nondet212#1;assume #race~x$w_buff1_used~0 == #t~nondet212#1;havoc #t~short208#1;havoc #t~short209#1;havoc #t~short210#1;havoc #t~ite211#1;havoc #t~nondet212#1;#race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~short213#1 := 0 != ~x$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short213#1;ParallelCodeBlock1: assume #t~short213#1;#race~x$r_buff0_thd3~0 := 0;assume 0 == #race~x$r_buff0_thd3~0;#t~short213#1 := 0 != ~x$r_buff0_thd3~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short213#1;#t~ite214#1 := 0;ParallelCodeBlock1: assume !#t~short213#1;#race~x$r_buff0_thd3~0 := 0;assume 0 == #race~x$r_buff0_thd3~0;#t~ite214#1 := ~x$r_buff0_thd3~0;}EndParallelComposition~x$r_buff0_thd3~0 := (if 0 == #t~ite214#1 % 256 then 0 else 1);havoc #t~nondet215#1;#race~x$r_buff0_thd3~0 := #t~nondet215#1;assume #race~x$r_buff0_thd3~0 == #t~nondet215#1;havoc #t~short213#1;havoc #t~ite214#1;havoc #t~nondet215#1;#race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~short216#1 := 0 != ~x$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short216#1;ParallelCodeBlock1: assume #t~short216#1;#race~x$r_buff0_thd3~0 := 0;assume 0 == #race~x$r_buff0_thd3~0;#t~short216#1 := 0 != ~x$r_buff0_thd3~0 % 256;}EndParallelComposition#t~short218#1 := #t~short216#1;BeginParallelComposition{ParallelCodeBlock0: assume #t~short218#1;ParallelCodeBlock1: assume !#t~short218#1;#race~x$w_buff1_used~0 := 0;assume 0 == #race~x$w_buff1_used~0;#t~short217#1 := 0 != ~x$w_buff1_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short217#1;ParallelCodeBlock1: assume #t~short217#1;#race~x$r_buff1_thd3~0 := 0;assume 0 == #race~x$r_buff1_thd3~0;#t~short217#1 := 0 != ~x$r_buff1_thd3~0 % 256;}EndParallelComposition#t~short218#1 := #t~short217#1;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short218#1;#t~ite219#1 := 0;ParallelCodeBlock1: assume !#t~short218#1;#race~x$r_buff1_thd3~0 := 0;assume 0 == #race~x$r_buff1_thd3~0;#t~ite219#1 := ~x$r_buff1_thd3~0;}EndParallelComposition~x$r_buff1_thd3~0 := (if 0 == #t~ite219#1 % 256 then 0 else 1);havoc #t~nondet220#1;#race~x$r_buff1_thd3~0 := #t~nondet220#1;assume #race~x$r_buff1_thd3~0 == #t~nondet220#1;havoc #t~short216#1;havoc #t~short217#1;havoc #t~short218#1;havoc #t~ite219#1;havoc #t~nondet220#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: #race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~short200#1 := 0 != ~x$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short200#1;ParallelCodeBlock1: assume #t~short200#1;#race~x$r_buff0_thd3~0 := 0;assume 0 == #race~x$r_buff0_thd3~0;#t~short200#1 := 0 != ~x$r_buff0_thd3~0 % 256;}EndParallelCompositionassume #t~short200#1;#race~x$w_buff0~0 := 0;assume 0 == #race~x$w_buff0~0;#t~ite203#1 := ~x$w_buff0~0;ParallelCodeBlock1: #race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~short200#1 := 0 != ~x$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short200#1;ParallelCodeBlock1: assume #t~short200#1;#race~x$r_buff0_thd3~0 := 0;assume 0 == #race~x$r_buff0_thd3~0;#t~short200#1 := 0 != ~x$r_buff0_thd3~0 % 256;}EndParallelCompositionassume !#t~short200#1;#race~x$w_buff1_used~0 := 0;assume 0 == #race~x$w_buff1_used~0;#t~short201#1 := 0 != ~x$w_buff1_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short201#1;ParallelCodeBlock1: assume #t~short201#1;#race~x$r_buff1_thd3~0 := 0;assume 0 == #race~x$r_buff1_thd3~0;#t~short201#1 := 0 != ~x$r_buff1_thd3~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short201#1;#race~x$w_buff1~0 := 0;assume 0 == #race~x$w_buff1~0;#t~ite202#1 := ~x$w_buff1~0;ParallelCodeBlock1: assume !#t~short201#1;#race~x~0 := 0;assume 0 == #race~x~0;#t~ite202#1 := ~x~0;}EndParallelComposition#t~ite203#1 := #t~ite202#1;}EndParallelComposition~x~0 := #t~ite203#1;havoc #t~nondet204#1;#race~x~0 := #t~nondet204#1;assume #race~x~0 == #t~nondet204#1;havoc #t~short200#1;havoc #t~ite203#1;havoc #t~short201#1;havoc #t~ite202#1;havoc #t~nondet204#1;#race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~short205#1 := 0 != ~x$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short205#1;ParallelCodeBlock1: assume #t~short205#1;#race~x$r_buff0_thd3~0 := 0;assume 0 == #race~x$r_buff0_thd3~0;#t~short205#1 := 0 != ~x$r_buff0_thd3~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short205#1;#t~ite206#1 := 0;ParallelCodeBlock1: assume !#t~short205#1;#race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~ite206#1 := ~x$w_buff0_used~0;}EndParallelComposition~x$w_buff0_used~0 := (if 0 == #t~ite206#1 % 256 then 0 else 1);havoc #t~nondet207#1;#race~x$w_buff0_used~0 := #t~nondet207#1;assume #race~x$w_buff0_used~0 == #t~nondet207#1;havoc #t~short205#1;havoc #t~ite206#1;havoc #t~nondet207#1;#race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~short208#1 := 0 != ~x$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short208#1;ParallelCodeBlock1: assume #t~short208#1;#race~x$r_buff0_thd3~0 := 0;assume 0 == #race~x$r_buff0_thd3~0;#t~short208#1 := 0 != ~x$r_buff0_thd3~0 % 256;}EndParallelComposition#t~short210#1 := #t~short208#1;BeginParallelComposition{ParallelCodeBlock0: assume #t~short210#1;ParallelCodeBlock1: assume !#t~short210#1;#race~x$w_buff1_used~0 := 0;assume 0 == #race~x$w_buff1_used~0;#t~short209#1 := 0 != ~x$w_buff1_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short209#1;ParallelCodeBlock1: assume #t~short209#1;#race~x$r_buff1_thd3~0 := 0;assume 0 == #race~x$r_buff1_thd3~0;#t~short209#1 := 0 != ~x$r_buff1_thd3~0 % 256;}EndParallelComposition#t~short210#1 := #t~short209#1;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short210#1;#t~ite211#1 := 0;ParallelCodeBlock1: assume !#t~short210#1;#race~x$w_buff1_used~0 := 0;assume 0 == #race~x$w_buff1_used~0;#t~ite211#1 := ~x$w_buff1_used~0;}EndParallelComposition~x$w_buff1_used~0 := (if 0 == #t~ite211#1 % 256 then 0 else 1);havoc #t~nondet212#1;#race~x$w_buff1_used~0 := #t~nondet212#1;assume #race~x$w_buff1_used~0 == #t~nondet212#1;havoc #t~short208#1;havoc #t~short209#1;havoc #t~short210#1;havoc #t~ite211#1;havoc #t~nondet212#1;#race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~short213#1 := 0 != ~x$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short213#1;ParallelCodeBlock1: assume #t~short213#1;#race~x$r_buff0_thd3~0 := 0;assume 0 == #race~x$r_buff0_thd3~0;#t~short213#1 := 0 != ~x$r_buff0_thd3~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short213#1;#t~ite214#1 := 0;ParallelCodeBlock1: assume !#t~short213#1;#race~x$r_buff0_thd3~0 := 0;assume 0 == #race~x$r_buff0_thd3~0;#t~ite214#1 := ~x$r_buff0_thd3~0;}EndParallelComposition~x$r_buff0_thd3~0 := (if 0 == #t~ite214#1 % 256 then 0 else 1);havoc #t~nondet215#1;#race~x$r_buff0_thd3~0 := #t~nondet215#1;assume #race~x$r_buff0_thd3~0 == #t~nondet215#1;havoc #t~short213#1;havoc #t~ite214#1;havoc #t~nondet215#1;#race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~short216#1 := 0 != ~x$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short216#1;ParallelCodeBlock1: assume #t~short216#1;#race~x$r_buff0_thd3~0 := 0;assume 0 == #race~x$r_buff0_thd3~0;#t~short216#1 := 0 != ~x$r_buff0_thd3~0 % 256;}EndParallelComposition#t~short218#1 := #t~short216#1;BeginParallelComposition{ParallelCodeBlock0: assume #t~short218#1;ParallelCodeBlock1: assume !#t~short218#1;#race~x$w_buff1_used~0 := 0;assume 0 == #race~x$w_buff1_used~0;#t~short217#1 := 0 != ~x$w_buff1_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short217#1;ParallelCodeBlock1: assume #t~short217#1;#race~x$r_buff1_thd3~0 := 0;assume 0 == #race~x$r_buff1_thd3~0;#t~short217#1 := 0 != ~x$r_buff1_thd3~0 % 256;}EndParallelComposition#t~short218#1 := #t~short217#1;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short218#1;#t~ite219#1 := 0;ParallelCodeBlock1: assume !#t~short218#1;#race~x$r_buff1_thd3~0 := 0;assume 0 == #race~x$r_buff1_thd3~0;#t~ite219#1 := ~x$r_buff1_thd3~0;}EndParallelComposition~x$r_buff1_thd3~0 := (if 0 == #t~ite219#1 % 256 then 0 else 1);havoc #t~nondet220#1;#race~x$r_buff1_thd3~0 := #t~nondet220#1;assume #race~x$r_buff1_thd3~0 == #t~nondet220#1;havoc #t~short216#1;havoc #t~short217#1;havoc #t~short218#1;havoc #t~ite219#1;havoc #t~nondet220#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 01:56:34,433 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...