/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_IcfgBuilder.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf --preprocessor.replace.while.statements.and.if-then-else.statements false --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/rfi002_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.cfg-lbe-improvements-04aa6ae-m [2025-04-16 04:40:28,072 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-16 04:40:28,125 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 04:40:28,128 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-16 04:40:28,128 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-16 04:40:28,146 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-16 04:40:28,146 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-16 04:40:28,146 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-16 04:40:28,147 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-16 04:40:28,147 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-16 04:40:28,147 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-16 04:40:28,147 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-16 04:40:28,147 INFO L153 SettingsManager]: * Use SBE=true [2025-04-16 04:40:28,147 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-16 04:40:28,147 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-16 04:40:28,147 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-16 04:40:28,147 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-16 04:40:28,147 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-16 04:40:28,149 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-16 04:40:28,149 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-16 04:40:28,149 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-16 04:40:28,149 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-16 04:40:28,149 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-16 04:40:28,149 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-16 04:40:28,149 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-16 04:40:28,149 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-16 04:40:28,149 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-16 04:40:28,149 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-16 04:40:28,150 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-16 04:40:28,150 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-16 04:40:28,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-16 04:40:28,150 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-16 04:40:28,150 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-16 04:40:28,150 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-16 04:40:28,150 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-16 04:40:28,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-16 04:40:28,150 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-16 04:40:28,150 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-16 04:40:28,150 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-16 04:40:28,150 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-16 04:40:28,150 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-16 04:40:28,150 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-16 04:40:28,150 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-16 04:40:28,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-16 04:40:28,151 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-16 04:40:28,151 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-16 04:40:28,151 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-16 04:40:28,151 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false 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 04:40:28,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-16 04:40:28,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-16 04:40:28,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-16 04:40:28,368 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-16 04:40:28,368 INFO L274 PluginConnector]: CDTParser initialized [2025-04-16 04:40:28,369 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi002_tso.i [2025-04-16 04:40:29,579 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aba399f17/bcf5db964d304edfa2e0f3e419d9b44e/FLAG0f597a620 [2025-04-16 04:40:29,838 INFO L389 CDTParser]: Found 1 translation units. [2025-04-16 04:40:29,838 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi002_tso.i [2025-04-16 04:40:29,848 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aba399f17/bcf5db964d304edfa2e0f3e419d9b44e/FLAG0f597a620 [2025-04-16 04:40:30,580 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aba399f17/bcf5db964d304edfa2e0f3e419d9b44e [2025-04-16 04:40:30,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-16 04:40:30,583 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-16 04:40:30,584 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-16 04:40:30,584 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-16 04:40:30,588 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-16 04:40:30,589 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 04:40:30" (1/1) ... [2025-04-16 04:40:30,590 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e1559b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:40:30, skipping insertion in model container [2025-04-16 04:40:30,590 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 04:40:30" (1/1) ... [2025-04-16 04:40:30,619 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-16 04:40:30,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-16 04:40:30,952 INFO L200 MainTranslator]: Completed pre-run [2025-04-16 04:40:31,047 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-16 04:40:31,074 INFO L204 MainTranslator]: Completed translation [2025-04-16 04:40:31,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:40:31 WrapperNode [2025-04-16 04:40:31,075 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-16 04:40:31,075 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-16 04:40:31,075 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-16 04:40:31,075 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-16 04:40:31,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:40:31" (1/1) ... [2025-04-16 04:40:31,104 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:40:31" (1/1) ... [2025-04-16 04:40:31,158 INFO L138 Inliner]: procedures = 174, calls = 41, calls flagged for inlining = 7, calls inlined = 9, statements flattened = 2174 [2025-04-16 04:40:31,158 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-16 04:40:31,159 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-16 04:40:31,159 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-16 04:40:31,160 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-16 04:40:31,165 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:40:31" (1/1) ... [2025-04-16 04:40:31,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:40:31" (1/1) ... [2025-04-16 04:40:31,171 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:40:31" (1/1) ... [2025-04-16 04:40:31,171 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:40:31" (1/1) ... [2025-04-16 04:40:31,198 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:40:31" (1/1) ... [2025-04-16 04:40:31,205 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:40:31" (1/1) ... [2025-04-16 04:40:31,210 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:40:31" (1/1) ... [2025-04-16 04:40:31,217 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:40:31" (1/1) ... [2025-04-16 04:40:31,234 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-16 04:40:31,235 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-04-16 04:40:31,235 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-04-16 04:40:31,235 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-04-16 04:40:31,236 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:40:31" (1/1) ... [2025-04-16 04:40:31,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-16 04:40:31,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-16 04:40:31,259 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 04:40:31,263 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 04:40:31,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-16 04:40:31,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-16 04:40:31,277 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-04-16 04:40:31,277 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-04-16 04:40:31,277 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-04-16 04:40:31,277 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-04-16 04:40:31,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-16 04:40:31,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-16 04:40:31,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-16 04:40:31,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-16 04:40:31,279 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-16 04:40:31,469 INFO L256 CfgBuilder]: Building ICFG [2025-04-16 04:40:31,470 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-16 04:40:33,436 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-16 04:40:33,437 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-16 04:40:33,437 INFO L318 CfgBuilder]: Performing block encoding [2025-04-16 04:40:37,850 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: BeginParallelComposition{ParallelCodeBlock0: havoc #t~nondet135#1;assume 0 == #t~nondet135#1 || 1 == #t~nondet135#1;~weak$$choice0~0 := (if 0 == #t~nondet135#1 % 256 then 0 else 1);havoc #t~nondet136#1;#race~weak$$choice0~0 := #t~nondet136#1;assume #race~weak$$choice0~0 == #t~nondet136#1;havoc #t~nondet135#1;havoc #t~nondet136#1;havoc #t~nondet137#1;assume 0 == #t~nondet137#1 || 1 == #t~nondet137#1;~weak$$choice2~0 := (if 0 == #t~nondet137#1 % 256 then 0 else 1);havoc #t~nondet138#1;#race~weak$$choice2~0 := #t~nondet138#1;assume #race~weak$$choice2~0 == #t~nondet138#1;havoc #t~nondet137#1;havoc #t~nondet138#1;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;~y$flush_delayed~0 := (if 0 == ~weak$$choice2~0 % 256 then 0 else 1);havoc #t~nondet139#1;#race~y$flush_delayed~0 := #t~nondet139#1;assume #race~y$flush_delayed~0 == #t~nondet139#1;havoc #t~nondet139#1;#race~y~0 := 0;assume 0 == #race~y~0;~y$mem_tmp~0 := ~y~0;havoc #t~nondet140#1;#race~y$mem_tmp~0 := #t~nondet140#1;assume #race~y$mem_tmp~0 == #t~nondet140#1;havoc #t~nondet140#1;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short142#1 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short142#1;ParallelCodeBlock1: assume !#t~short142#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short141#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short141#1;ParallelCodeBlock1: assume #t~short141#1;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short141#1 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short142#1 := #t~short141#1;}EndParallelComposition#t~short144#1 := #t~short142#1;BeginParallelComposition{ParallelCodeBlock0: assume #t~short144#1;ParallelCodeBlock1: assume !#t~short144#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short143#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short143#1;ParallelCodeBlock1: assume #t~short143#1;#race~y$r_buff1_thd2~0 := 0;assume 0 == #race~y$r_buff1_thd2~0;#t~short143#1 := 0 == ~y$r_buff1_thd2~0 % 256;}EndParallelComposition#t~short144#1 := #t~short143#1;}EndParallelCompositionassume #t~short144#1;#race~y~0 := 0;assume 0 == #race~y~0;#t~ite147#1 := ~y~0;ParallelCodeBlock1: havoc #t~nondet135#1;assume 0 == #t~nondet135#1 || 1 == #t~nondet135#1;~weak$$choice0~0 := (if 0 == #t~nondet135#1 % 256 then 0 else 1);havoc #t~nondet136#1;#race~weak$$choice0~0 := #t~nondet136#1;assume #race~weak$$choice0~0 == #t~nondet136#1;havoc #t~nondet135#1;havoc #t~nondet136#1;havoc #t~nondet137#1;assume 0 == #t~nondet137#1 || 1 == #t~nondet137#1;~weak$$choice2~0 := (if 0 == #t~nondet137#1 % 256 then 0 else 1);havoc #t~nondet138#1;#race~weak$$choice2~0 := #t~nondet138#1;assume #race~weak$$choice2~0 == #t~nondet138#1;havoc #t~nondet137#1;havoc #t~nondet138#1;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;~y$flush_delayed~0 := (if 0 == ~weak$$choice2~0 % 256 then 0 else 1);havoc #t~nondet139#1;#race~y$flush_delayed~0 := #t~nondet139#1;assume #race~y$flush_delayed~0 == #t~nondet139#1;havoc #t~nondet139#1;#race~y~0 := 0;assume 0 == #race~y~0;~y$mem_tmp~0 := ~y~0;havoc #t~nondet140#1;#race~y$mem_tmp~0 := #t~nondet140#1;assume #race~y$mem_tmp~0 == #t~nondet140#1;havoc #t~nondet140#1;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short142#1 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short142#1;ParallelCodeBlock1: assume !#t~short142#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short141#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short141#1;ParallelCodeBlock1: assume #t~short141#1;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short141#1 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short142#1 := #t~short141#1;}EndParallelComposition#t~short144#1 := #t~short142#1;BeginParallelComposition{ParallelCodeBlock0: assume #t~short144#1;ParallelCodeBlock1: assume !#t~short144#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short143#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short143#1;ParallelCodeBlock1: assume #t~short143#1;#race~y$r_buff1_thd2~0 := 0;assume 0 == #race~y$r_buff1_thd2~0;#t~short143#1 := 0 == ~y$r_buff1_thd2~0 % 256;}EndParallelComposition#t~short144#1 := #t~short143#1;}EndParallelCompositionassume !#t~short144#1;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short145#1 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short145#1;ParallelCodeBlock1: assume #t~short145#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short145#1 := 0 != ~y$r_buff0_thd2~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short145#1;#race~y$w_buff0~0 := 0;assume 0 == #race~y$w_buff0~0;#t~ite146#1 := ~y$w_buff0~0;ParallelCodeBlock1: assume !#t~short145#1;#race~y$w_buff1~0 := 0;assume 0 == #race~y$w_buff1~0;#t~ite146#1 := ~y$w_buff1~0;}EndParallelComposition#t~ite147#1 := #t~ite146#1;}EndParallelComposition~y~0 := #t~ite147#1;havoc #t~nondet148#1;#race~y~0 := #t~nondet148#1;assume #race~y~0 == #t~nondet148#1;havoc #t~short141#1;havoc #t~short142#1;havoc #t~short143#1;havoc #t~short144#1;havoc #t~ite147#1;havoc #t~short145#1;havoc #t~ite146#1;havoc #t~nondet148#1;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~weak$$choice2~0 % 256;#race~y$w_buff0~0 := 0;assume 0 == #race~y$w_buff0~0;#t~ite156#1 := ~y$w_buff0~0;ParallelCodeBlock1: assume !(0 != ~weak$$choice2~0 % 256);#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short150#1 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short150#1;ParallelCodeBlock1: assume !#t~short150#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short149#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short149#1;ParallelCodeBlock1: assume #t~short149#1;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short149#1 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short150#1 := #t~short149#1;}EndParallelComposition#t~short152#1 := #t~short150#1;BeginParallelComposition{ParallelCodeBlock0: assume #t~short152#1;ParallelCodeBlock1: assume !#t~short152#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short151#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short151#1;ParallelCodeBlock1: assume #t~short151#1;#race~y$r_buff1_thd2~0 := 0;assume 0 == #race~y$r_buff1_thd2~0;#t~short151#1 := 0 == ~y$r_buff1_thd2~0 % 256;}EndParallelComposition#t~short152#1 := #t~short151#1;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short152#1;#race~y$w_buff0~0 := 0;assume 0 == #race~y$w_buff0~0;#t~ite155#1 := ~y$w_buff0~0;ParallelCodeBlock1: assume !#t~short152#1;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short153#1 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short153#1;ParallelCodeBlock1: assume #t~short153#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short153#1 := 0 != ~y$r_buff0_thd2~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short153#1;#race~y$w_buff0~0 := 0;assume 0 == #race~y$w_buff0~0;#t~ite154#1 := ~y$w_buff0~0;ParallelCodeBlock1: assume !#t~short153#1;#race~y$w_buff0~0 := 0;assume 0 == #race~y$w_buff0~0;#t~ite154#1 := ~y$w_buff0~0;}EndParallelComposition#t~ite155#1 := #t~ite154#1;}EndParallelComposition#t~ite156#1 := #t~ite155#1;}EndParallelComposition~y$w_buff0~0 := #t~ite156#1;havoc #t~nondet157#1;#race~y$w_buff0~0 := #t~nondet157#1;assume #race~y$w_buff0~0 == #t~nondet157#1;havoc #t~ite156#1;havoc #t~short149#1;havoc #t~short150#1;havoc #t~short151#1;havoc #t~short152#1;havoc #t~ite155#1;havoc #t~short153#1;havoc #t~ite154#1;havoc #t~nondet157#1;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~weak$$choice2~0 % 256;#race~y$w_buff1~0 := 0;assume 0 == #race~y$w_buff1~0;#t~ite165#1 := ~y$w_buff1~0;ParallelCodeBlock1: assume !(0 != ~weak$$choice2~0 % 256);#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short159#1 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short159#1;ParallelCodeBlock1: assume !#t~short159#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short158#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short158#1;ParallelCodeBlock1: assume #t~short158#1;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short158#1 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short159#1 := #t~short158#1;}EndParallelComposition#t~short161#1 := #t~short159#1;BeginParallelComposition{ParallelCodeBlock0: assume #t~short161#1;ParallelCodeBlock1: assume !#t~short161#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short160#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short160#1;ParallelCodeBlock1: assume #t~short160#1;#race~y$r_buff1_thd2~0 := 0;assume 0 == #race~y$r_buff1_thd2~0;#t~short160#1 := 0 == ~y$r_buff1_thd2~0 % 256;}EndParallelComposition#t~short161#1 := #t~short160#1;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short161#1;#race~y$w_buff1~0 := 0;assume 0 == #race~y$w_buff1~0;#t~ite164#1 := ~y$w_buff1~0;ParallelCodeBlock1: assume !#t~short161#1;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short162#1 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short162#1;ParallelCodeBlock1: assume #t~short162#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short162#1 := 0 != ~y$r_buff0_thd2~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short162#1;#race~y$w_buff1~0 := 0;assume 0 == #race~y$w_buff1~0;#t~ite163#1 := ~y$w_buff1~0;ParallelCodeBlock1: assume !#t~short162#1;#race~y$w_buff1~0 := 0;assume 0 == #race~y$w_buff1~0;#t~ite163#1 := ~y$w_buff1~0;}EndParallelComposition#t~ite164#1 := #t~ite163#1;}EndParallelComposition#t~ite165#1 := #t~ite164#1;}EndParallelComposition~y$w_buff1~0 := #t~ite165#1;havoc #t~nondet166#1;#race~y$w_buff1~0 := #t~nondet166#1;assume #race~y$w_buff1~0 == #t~nondet166#1;havoc #t~ite165#1;havoc #t~short158#1;havoc #t~short159#1;havoc #t~short160#1;havoc #t~short161#1;havoc #t~ite164#1;havoc #t~short162#1;havoc #t~ite163#1;havoc #t~nondet166#1;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~weak$$choice2~0 % 256;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~ite174#1 := ~y$w_buff0_used~0;ParallelCodeBlock1: assume !(0 != ~weak$$choice2~0 % 256);#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short168#1 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short168#1;ParallelCodeBlock1: assume !#t~short168#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short167#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short167#1;ParallelCodeBlock1: assume #t~short167#1;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short167#1 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short168#1 := #t~short167#1;}EndParallelComposition#t~short170#1 := #t~short168#1;BeginParallelComposition{ParallelCodeBlock0: assume #t~short170#1;ParallelCodeBlock1: assume !#t~short170#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short169#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short169#1;ParallelCodeBlock1: assume #t~short169#1;#race~y$r_buff1_thd2~0 := 0;assume 0 == #race~y$r_buff1_thd2~0;#t~short169#1 := 0 == ~y$r_buff1_thd2~0 % 256;}EndParallelComposition#t~short170#1 := #t~short169#1;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short170#1;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~ite173#1 := ~y$w_buff0_used~0;ParallelCodeBlock1: assume !#t~short170#1;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short171#1 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short171#1;ParallelCodeBlock1: assume #t~short171#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short171#1 := 0 != ~y$r_buff0_thd2~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short171#1;#t~ite172#1 := 0;ParallelCodeBlock1: assume !#t~short171#1;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~ite172#1 := ~y$w_buff0_used~0;}EndParallelComposition#t~ite173#1 := #t~ite172#1;}EndParallelComposition#t~ite174#1 := #t~ite173#1;}EndParallelComposition~y$w_buff0_used~0 := (if 0 == #t~ite174#1 % 256 then 0 else 1);havoc #t~nondet175#1;#race~y$w_buff0_used~0 := #t~nondet175#1;assume #race~y$w_buff0_used~0 == #t~nondet175#1;havoc #t~ite174#1;havoc #t~short167#1;havoc #t~short168#1;havoc #t~short169#1;havoc #t~short170#1;havoc #t~ite173#1;havoc #t~short171#1;havoc #t~ite172#1;havoc #t~nondet175#1;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;BeginParallelComposition{ParallelCodeBlock0: BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~weak$$choice2~0 % 256;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~ite182#1 := ~y$w_buff1_used~0;ParallelCodeBlock1: assume !(0 != ~weak$$choice2~0 % 256);#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short177#1 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short177#1;ParallelCodeBlock1: assume !#t~short177#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short176#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short176#1;ParallelCodeBlock1: assume #t~short176#1;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short176#1 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short177#1 := #t~short176#1;}EndParallelComposition#t~short179#1 := #t~short177#1;BeginParallelComposition{ParallelCodeBlock0: assume #t~short179#1;ParallelCodeBlock1: assume !#t~short179#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short178#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short178#1;ParallelCodeBlock1: assume #t~short178#1;#race~y$r_buff1_thd2~0 := 0;assume 0 == #race~y$r_buff1_thd2~0;#t~short178#1 := 0 == ~y$r_buff1_thd2~0 % 256;}EndParallelComposition#t~short179#1 := #t~short178#1;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short179#1;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~ite181#1 := ~y$w_buff1_used~0;ParallelCodeBlock1: assume !#t~short179#1;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short180#1 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short180#1;ParallelCodeBlock1: assume #t~short180#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short180#1 := 0 != ~y$r_buff0_thd2~0 % 256;}EndParallelComposition#t~ite181#1 := (if #t~short180#1 then 0 else 0);}EndParallelComposition#t~ite182#1 := #t~ite181#1;}EndParallelComposition~y$w_buff1_used~0 := (if 0 == #t~ite182#1 % 256 then 0 else 1);havoc #t~nondet183#1;#race~y$w_buff1_used~0 := #t~nondet183#1;assume #race~y$w_buff1_used~0 == #t~nondet183#1;havoc #t~ite182#1;havoc #t~short176#1;havoc #t~short177#1;havoc #t~short178#1;havoc #t~short179#1;havoc #t~ite181#1;havoc #t~short180#1;havoc #t~nondet183#1;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;assume 0 != ~weak$$choice2~0 % 256;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~ite191#1 := ~y$r_buff0_thd2~0;ParallelCodeBlock1: BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~weak$$choice2~0 % 256;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~ite182#1 := ~y$w_buff1_used~0;ParallelCodeBlock1: assume !(0 != ~weak$$choice2~0 % 256);#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short177#1 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short177#1;ParallelCodeBlock1: assume !#t~short177#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short176#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short176#1;ParallelCodeBlock1: assume #t~short176#1;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short176#1 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short177#1 := #t~short176#1;}EndParallelComposition#t~short179#1 := #t~short177#1;BeginParallelComposition{ParallelCodeBlock0: assume #t~short179#1;ParallelCodeBlock1: assume !#t~short179#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short178#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short178#1;ParallelCodeBlock1: assume #t~short178#1;#race~y$r_buff1_thd2~0 := 0;assume 0 == #race~y$r_buff1_thd2~0;#t~short178#1 := 0 == ~y$r_buff1_thd2~0 % 256;}EndParallelComposition#t~short179#1 := #t~short178#1;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short179#1;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~ite181#1 := ~y$w_buff1_used~0;ParallelCodeBlock1: assume !#t~short179#1;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short180#1 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short180#1;ParallelCodeBlock1: assume #t~short180#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short180#1 := 0 != ~y$r_buff0_thd2~0 % 256;}EndParallelComposition#t~ite181#1 := (if #t~short180#1 then 0 else 0);}EndParallelComposition#t~ite182#1 := #t~ite181#1;}EndParallelComposition~y$w_buff1_used~0 := (if 0 == #t~ite182#1 % 256 then 0 else 1);havoc #t~nondet183#1;#race~y$w_buff1_used~0 := #t~nondet183#1;assume #race~y$w_buff1_used~0 == #t~nondet183#1;havoc #t~ite182#1;havoc #t~short176#1;havoc #t~short177#1;havoc #t~short178#1;havoc #t~short179#1;havoc #t~ite181#1;havoc #t~short180#1;havoc #t~nondet183#1;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;assume !(0 != ~weak$$choice2~0 % 256);#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short185#1 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short185#1;ParallelCodeBlock1: assume !#t~short185#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short184#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short184#1;ParallelCodeBlock1: assume #t~short184#1;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short184#1 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short185#1 := #t~short184#1;}EndParallelComposition#t~short187#1 := #t~short185#1;BeginParallelComposition{ParallelCodeBlock0: assume #t~short187#1;ParallelCodeBlock1: assume !#t~short187#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short186#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short186#1;ParallelCodeBlock1: assume #t~short186#1;#race~y$r_buff1_thd2~0 := 0;assume 0 == #race~y$r_buff1_thd2~0;#t~short186#1 := 0 == ~y$r_buff1_thd2~0 % 256;}EndParallelComposition#t~short187#1 := #t~short186#1;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short187#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~ite190#1 := ~y$r_buff0_thd2~0;ParallelCodeBlock1: assume !#t~short187#1;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short188#1 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short188#1;ParallelCodeBlock1: assume #t~short188#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short188#1 := 0 != ~y$r_buff0_thd2~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short188#1;#t~ite189#1 := 0;ParallelCodeBlock1: assume !#t~short188#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~ite189#1 := ~y$r_buff0_thd2~0;}EndParallelComposition#t~ite190#1 := #t~ite189#1;}EndParallelComposition#t~ite191#1 := #t~ite190#1;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: ~y$r_buff0_thd2~0 := (if 0 == #t~ite191#1 % 256 then 0 else 1);havoc #t~nondet192#1;#race~y$r_buff0_thd2~0 := #t~nondet192#1;assume #race~y$r_buff0_thd2~0 == #t~nondet192#1;havoc #t~ite191#1;havoc #t~short184#1;havoc #t~short185#1;havoc #t~short186#1;havoc #t~short187#1;havoc #t~ite190#1;havoc #t~short188#1;havoc #t~ite189#1;havoc #t~nondet192#1;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;assume 0 != ~weak$$choice2~0 % 256;#race~y$r_buff1_thd2~0 := 0;assume 0 == #race~y$r_buff1_thd2~0;#t~ite199#1 := ~y$r_buff1_thd2~0;ParallelCodeBlock1: ~y$r_buff0_thd2~0 := (if 0 == #t~ite191#1 % 256 then 0 else 1);havoc #t~nondet192#1;#race~y$r_buff0_thd2~0 := #t~nondet192#1;assume #race~y$r_buff0_thd2~0 == #t~nondet192#1;havoc #t~ite191#1;havoc #t~short184#1;havoc #t~short185#1;havoc #t~short186#1;havoc #t~short187#1;havoc #t~ite190#1;havoc #t~short188#1;havoc #t~ite189#1;havoc #t~nondet192#1;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;assume !(0 != ~weak$$choice2~0 % 256);#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short194#1 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short194#1;ParallelCodeBlock1: assume !#t~short194#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short193#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short193#1;ParallelCodeBlock1: assume #t~short193#1;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short193#1 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short194#1 := #t~short193#1;}EndParallelComposition#t~short196#1 := #t~short194#1;BeginParallelComposition{ParallelCodeBlock0: assume #t~short196#1;ParallelCodeBlock1: assume !#t~short196#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short195#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short195#1;ParallelCodeBlock1: assume #t~short195#1;#race~y$r_buff1_thd2~0 := 0;assume 0 == #race~y$r_buff1_thd2~0;#t~short195#1 := 0 == ~y$r_buff1_thd2~0 % 256;}EndParallelComposition#t~short196#1 := #t~short195#1;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short196#1;#race~y$r_buff1_thd2~0 := 0;assume 0 == #race~y$r_buff1_thd2~0;#t~ite198#1 := ~y$r_buff1_thd2~0;ParallelCodeBlock1: assume !#t~short196#1;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short197#1 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short197#1;ParallelCodeBlock1: assume #t~short197#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short197#1 := 0 != ~y$r_buff0_thd2~0 % 256;}EndParallelComposition#t~ite198#1 := (if #t~short197#1 then 0 else 0);}EndParallelComposition#t~ite199#1 := #t~ite198#1;}EndParallelComposition~y$r_buff1_thd2~0 := (if 0 == #t~ite199#1 % 256 then 0 else 1);havoc #t~nondet200#1;#race~y$r_buff1_thd2~0 := #t~nondet200#1;assume #race~y$r_buff1_thd2~0 == #t~nondet200#1;havoc #t~ite199#1;havoc #t~short193#1;havoc #t~short194#1;havoc #t~short195#1;havoc #t~short196#1;havoc #t~ite198#1;havoc #t~short197#1;havoc #t~nondet200#1;#race~y~0 := 0;assume 0 == #race~y~0;~__unbuffered_p1_EAX~0 := ~y~0;havoc #t~nondet201#1;#race~__unbuffered_p1_EAX~0 := #t~nondet201#1;assume #race~__unbuffered_p1_EAX~0 == #t~nondet201#1;havoc #t~nondet201#1;#race~y$flush_delayed~0 := 0;assume 0 == #race~y$flush_delayed~0;BeginParallelComposition{ParallelCodeBlock0: assume !(0 != ~y$flush_delayed~0 % 256);#race~y~0 := 0;assume 0 == #race~y~0;#t~ite202#1 := ~y~0;ParallelCodeBlock1: assume 0 != ~y$flush_delayed~0 % 256;#race~y$mem_tmp~0 := 0;assume 0 == #race~y$mem_tmp~0;#t~ite202#1 := ~y$mem_tmp~0;}EndParallelComposition~y~0 := #t~ite202#1;havoc #t~nondet203#1;#race~y~0 := #t~nondet203#1;assume #race~y~0 == #t~nondet203#1;havoc #t~ite202#1;havoc #t~nondet203#1;~y$flush_delayed~0 := 0;havoc #t~nondet204#1;#race~y$flush_delayed~0 := #t~nondet204#1;assume #race~y$flush_delayed~0 == #t~nondet204#1;havoc #t~nondet204#1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder.IcfgBuilderObserver.process(IcfgBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 04:40:37,855 INFO L158 Benchmark]: Toolchain (without parser) took 7271.73ms. Allocated memory was 155.2MB in the beginning and 973.1MB in the end (delta: 817.9MB). Free memory was 108.5MB in the beginning and 548.2MB in the end (delta: -439.7MB). Peak memory consumption was 661.4MB. Max. memory is 8.0GB. [2025-04-16 04:40:37,856 INFO L158 Benchmark]: CDTParser took 0.94ms. Allocated memory is still 159.4MB. Free memory is still 86.6MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-16 04:40:37,856 INFO L158 Benchmark]: CACSL2BoogieTranslator took 490.66ms. Allocated memory is still 155.2MB. Free memory was 108.5MB in the beginning and 69.8MB in the end (delta: 38.8MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2025-04-16 04:40:37,856 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.22ms. Allocated memory is still 155.2MB. Free memory was 69.8MB in the beginning and 61.0MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2025-04-16 04:40:37,856 INFO L158 Benchmark]: Boogie Preprocessor took 74.41ms. Allocated memory is still 155.2MB. Free memory was 61.0MB in the beginning and 54.8MB in the end (delta: 6.2MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2025-04-16 04:40:37,857 INFO L158 Benchmark]: IcfgBuilder took 6619.66ms. Allocated memory was 155.2MB in the beginning and 973.1MB in the end (delta: 817.9MB). Free memory was 54.8MB in the beginning and 548.2MB in the end (delta: -493.4MB). Peak memory consumption was 606.8MB. Max. memory is 8.0GB. [2025-04-16 04:40:37,858 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94ms. Allocated memory is still 159.4MB. Free memory is still 86.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 490.66ms. Allocated memory is still 155.2MB. Free memory was 108.5MB in the beginning and 69.8MB in the end (delta: 38.8MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 83.22ms. Allocated memory is still 155.2MB. Free memory was 69.8MB in the beginning and 61.0MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 74.41ms. Allocated memory is still 155.2MB. Free memory was 61.0MB in the beginning and 54.8MB in the end (delta: 6.2MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * IcfgBuilder took 6619.66ms. Allocated memory was 155.2MB in the beginning and 973.1MB in the end (delta: 817.9MB). Free memory was 54.8MB in the beginning and 548.2MB in the end (delta: -493.4MB). Peak memory consumption was 606.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: BeginParallelComposition{ParallelCodeBlock0: havoc #t~nondet135#1;assume 0 == #t~nondet135#1 || 1 == #t~nondet135#1;~weak$$choice0~0 := (if 0 == #t~nondet135#1 % 256 then 0 else 1);havoc #t~nondet136#1;#race~weak$$choice0~0 := #t~nondet136#1;assume #race~weak$$choice0~0 == #t~nondet136#1;havoc #t~nondet135#1;havoc #t~nondet136#1;havoc #t~nondet137#1;assume 0 == #t~nondet137#1 || 1 == #t~nondet137#1;~weak$$choice2~0 := (if 0 == #t~nondet137#1 % 256 then 0 else 1);havoc #t~nondet138#1;#race~weak$$choice2~0 := #t~nondet138#1;assume #race~weak$$choice2~0 == #t~nondet138#1;havoc #t~nondet137#1;havoc #t~nondet138#1;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;~y$flush_delayed~0 := (if 0 == ~weak$$choice2~0 % 256 then 0 else 1);havoc #t~nondet139#1;#race~y$flush_delayed~0 := #t~nondet139#1;assume #race~y$flush_delayed~0 == #t~nondet139#1;havoc #t~nondet139#1;#race~y~0 := 0;assume 0 == #race~y~0;~y$mem_tmp~0 := ~y~0;havoc #t~nondet140#1;#race~y$mem_tmp~0 := #t~nondet140#1;assume #race~y$mem_tmp~0 == #t~nondet140#1;havoc #t~nondet140#1;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short142#1 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short142#1;ParallelCodeBlock1: assume !#t~short142#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short141#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short141#1;ParallelCodeBlock1: assume #t~short141#1;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short141#1 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short142#1 := #t~short141#1;}EndParallelComposition#t~short144#1 := #t~short142#1;BeginParallelComposition{ParallelCodeBlock0: assume #t~short144#1;ParallelCodeBlock1: assume !#t~short144#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short143#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short143#1;ParallelCodeBlock1: assume #t~short143#1;#race~y$r_buff1_thd2~0 := 0;assume 0 == #race~y$r_buff1_thd2~0;#t~short143#1 := 0 == ~y$r_buff1_thd2~0 % 256;}EndParallelComposition#t~short144#1 := #t~short143#1;}EndParallelCompositionassume #t~short144#1;#race~y~0 := 0;assume 0 == #race~y~0;#t~ite147#1 := ~y~0;ParallelCodeBlock1: havoc #t~nondet135#1;assume 0 == #t~nondet135#1 || 1 == #t~nondet135#1;~weak$$choice0~0 := (if 0 == #t~nondet135#1 % 256 then 0 else 1);havoc #t~nondet136#1;#race~weak$$choice0~0 := #t~nondet136#1;assume #race~weak$$choice0~0 == #t~nondet136#1;havoc #t~nondet135#1;havoc #t~nondet136#1;havoc #t~nondet137#1;assume 0 == #t~nondet137#1 || 1 == #t~nondet137#1;~weak$$choice2~0 := (if 0 == #t~nondet137#1 % 256 then 0 else 1);havoc #t~nondet138#1;#race~weak$$choice2~0 := #t~nondet138#1;assume #race~weak$$choice2~0 == #t~nondet138#1;havoc #t~nondet137#1;havoc #t~nondet138#1;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;~y$flush_delayed~0 := (if 0 == ~weak$$choice2~0 % 256 then 0 else 1);havoc #t~nondet139#1;#race~y$flush_delayed~0 := #t~nondet139#1;assume #race~y$flush_delayed~0 == #t~nondet139#1;havoc #t~nondet139#1;#race~y~0 := 0;assume 0 == #race~y~0;~y$mem_tmp~0 := ~y~0;havoc #t~nondet140#1;#race~y$mem_tmp~0 := #t~nondet140#1;assume #race~y$mem_tmp~0 == #t~nondet140#1;havoc #t~nondet140#1;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short142#1 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short142#1;ParallelCodeBlock1: assume !#t~short142#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short141#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short141#1;ParallelCodeBlock1: assume #t~short141#1;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short141#1 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short142#1 := #t~short141#1;}EndParallelComposition#t~short144#1 := #t~short142#1;BeginParallelComposition{ParallelCodeBlock0: assume #t~short144#1;ParallelCodeBlock1: assume !#t~short144#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short143#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short143#1;ParallelCodeBlock1: assume #t~short143#1;#race~y$r_buff1_thd2~0 := 0;assume 0 == #race~y$r_buff1_thd2~0;#t~short143#1 := 0 == ~y$r_buff1_thd2~0 % 256;}EndParallelComposition#t~short144#1 := #t~short143#1;}EndParallelCompositionassume !#t~short144#1;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short145#1 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short145#1;ParallelCodeBlock1: assume #t~short145#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short145#1 := 0 != ~y$r_buff0_thd2~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short145#1;#race~y$w_buff0~0 := 0;assume 0 == #race~y$w_buff0~0;#t~ite146#1 := ~y$w_buff0~0;ParallelCodeBlock1: assume !#t~short145#1;#race~y$w_buff1~0 := 0;assume 0 == #race~y$w_buff1~0;#t~ite146#1 := ~y$w_buff1~0;}EndParallelComposition#t~ite147#1 := #t~ite146#1;}EndParallelComposition~y~0 := #t~ite147#1;havoc #t~nondet148#1;#race~y~0 := #t~nondet148#1;assume #race~y~0 == #t~nondet148#1;havoc #t~short141#1;havoc #t~short142#1;havoc #t~short143#1;havoc #t~short144#1;havoc #t~ite147#1;havoc #t~short145#1;havoc #t~ite146#1;havoc #t~nondet148#1;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~weak$$choice2~0 % 256;#race~y$w_buff0~0 := 0;assume 0 == #race~y$w_buff0~0;#t~ite156#1 := ~y$w_buff0~0;ParallelCodeBlock1: assume !(0 != ~weak$$choice2~0 % 256);#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short150#1 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short150#1;ParallelCodeBlock1: assume !#t~short150#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short149#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short149#1;ParallelCodeBlock1: assume #t~short149#1;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short149#1 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short150#1 := #t~short149#1;}EndParallelComposition#t~short152#1 := #t~short150#1;BeginParallelComposition{ParallelCodeBlock0: assume #t~short152#1;ParallelCodeBlock1: assume !#t~short152#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short151#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short151#1;ParallelCodeBlock1: assume #t~short151#1;#race~y$r_buff1_thd2~0 := 0;assume 0 == #race~y$r_buff1_thd2~0;#t~short151#1 := 0 == ~y$r_buff1_thd2~0 % 256;}EndParallelComposition#t~short152#1 := #t~short151#1;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short152#1;#race~y$w_buff0~0 := 0;assume 0 == #race~y$w_buff0~0;#t~ite155#1 := ~y$w_buff0~0;ParallelCodeBlock1: assume !#t~short152#1;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short153#1 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short153#1;ParallelCodeBlock1: assume #t~short153#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short153#1 := 0 != ~y$r_buff0_thd2~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short153#1;#race~y$w_buff0~0 := 0;assume 0 == #race~y$w_buff0~0;#t~ite154#1 := ~y$w_buff0~0;ParallelCodeBlock1: assume !#t~short153#1;#race~y$w_buff0~0 := 0;assume 0 == #race~y$w_buff0~0;#t~ite154#1 := ~y$w_buff0~0;}EndParallelComposition#t~ite155#1 := #t~ite154#1;}EndParallelComposition#t~ite156#1 := #t~ite155#1;}EndParallelComposition~y$w_buff0~0 := #t~ite156#1;havoc #t~nondet157#1;#race~y$w_buff0~0 := #t~nondet157#1;assume #race~y$w_buff0~0 == #t~nondet157#1;havoc #t~ite156#1;havoc #t~short149#1;havoc #t~short150#1;havoc #t~short151#1;havoc #t~short152#1;havoc #t~ite155#1;havoc #t~short153#1;havoc #t~ite154#1;havoc #t~nondet157#1;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~weak$$choice2~0 % 256;#race~y$w_buff1~0 := 0;assume 0 == #race~y$w_buff1~0;#t~ite165#1 := ~y$w_buff1~0;ParallelCodeBlock1: assume !(0 != ~weak$$choice2~0 % 256);#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short159#1 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short159#1;ParallelCodeBlock1: assume !#t~short159#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short158#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short158#1;ParallelCodeBlock1: assume #t~short158#1;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short158#1 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short159#1 := #t~short158#1;}EndParallelComposition#t~short161#1 := #t~short159#1;BeginParallelComposition{ParallelCodeBlock0: assume #t~short161#1;ParallelCodeBlock1: assume !#t~short161#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short160#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short160#1;ParallelCodeBlock1: assume #t~short160#1;#race~y$r_buff1_thd2~0 := 0;assume 0 == #race~y$r_buff1_thd2~0;#t~short160#1 := 0 == ~y$r_buff1_thd2~0 % 256;}EndParallelComposition#t~short161#1 := #t~short160#1;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short161#1;#race~y$w_buff1~0 := 0;assume 0 == #race~y$w_buff1~0;#t~ite164#1 := ~y$w_buff1~0;ParallelCodeBlock1: assume !#t~short161#1;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short162#1 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short162#1;ParallelCodeBlock1: assume #t~short162#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short162#1 := 0 != ~y$r_buff0_thd2~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short162#1;#race~y$w_buff1~0 := 0;assume 0 == #race~y$w_buff1~0;#t~ite163#1 := ~y$w_buff1~0;ParallelCodeBlock1: assume !#t~short162#1;#race~y$w_buff1~0 := 0;assume 0 == #race~y$w_buff1~0;#t~ite163#1 := ~y$w_buff1~0;}EndParallelComposition#t~ite164#1 := #t~ite163#1;}EndParallelComposition#t~ite165#1 := #t~ite164#1;}EndParallelComposition~y$w_buff1~0 := #t~ite165#1;havoc #t~nondet166#1;#race~y$w_buff1~0 := #t~nondet166#1;assume #race~y$w_buff1~0 == #t~nondet166#1;havoc #t~ite165#1;havoc #t~short158#1;havoc #t~short159#1;havoc #t~short160#1;havoc #t~short161#1;havoc #t~ite164#1;havoc #t~short162#1;havoc #t~ite163#1;havoc #t~nondet166#1;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~weak$$choice2~0 % 256;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~ite174#1 := ~y$w_buff0_used~0;ParallelCodeBlock1: assume !(0 != ~weak$$choice2~0 % 256);#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short168#1 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short168#1;ParallelCodeBlock1: assume !#t~short168#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short167#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short167#1;ParallelCodeBlock1: assume #t~short167#1;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short167#1 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short168#1 := #t~short167#1;}EndParallelComposition#t~short170#1 := #t~short168#1;BeginParallelComposition{ParallelCodeBlock0: assume #t~short170#1;ParallelCodeBlock1: assume !#t~short170#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short169#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short169#1;ParallelCodeBlock1: assume #t~short169#1;#race~y$r_buff1_thd2~0 := 0;assume 0 == #race~y$r_buff1_thd2~0;#t~short169#1 := 0 == ~y$r_buff1_thd2~0 % 256;}EndParallelComposition#t~short170#1 := #t~short169#1;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short170#1;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~ite173#1 := ~y$w_buff0_used~0;ParallelCodeBlock1: assume !#t~short170#1;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short171#1 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short171#1;ParallelCodeBlock1: assume #t~short171#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short171#1 := 0 != ~y$r_buff0_thd2~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short171#1;#t~ite172#1 := 0;ParallelCodeBlock1: assume !#t~short171#1;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~ite172#1 := ~y$w_buff0_used~0;}EndParallelComposition#t~ite173#1 := #t~ite172#1;}EndParallelComposition#t~ite174#1 := #t~ite173#1;}EndParallelComposition~y$w_buff0_used~0 := (if 0 == #t~ite174#1 % 256 then 0 else 1);havoc #t~nondet175#1;#race~y$w_buff0_used~0 := #t~nondet175#1;assume #race~y$w_buff0_used~0 == #t~nondet175#1;havoc #t~ite174#1;havoc #t~short167#1;havoc #t~short168#1;havoc #t~short169#1;havoc #t~short170#1;havoc #t~ite173#1;havoc #t~short171#1;havoc #t~ite172#1;havoc #t~nondet175#1;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;BeginParallelComposition{ParallelCodeBlock0: BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~weak$$choice2~0 % 256;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~ite182#1 := ~y$w_buff1_used~0;ParallelCodeBlock1: assume !(0 != ~weak$$choice2~0 % 256);#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short177#1 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short177#1;ParallelCodeBlock1: assume !#t~short177#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short176#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short176#1;ParallelCodeBlock1: assume #t~short176#1;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short176#1 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short177#1 := #t~short176#1;}EndParallelComposition#t~short179#1 := #t~short177#1;BeginParallelComposition{ParallelCodeBlock0: assume #t~short179#1;ParallelCodeBlock1: assume !#t~short179#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short178#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short178#1;ParallelCodeBlock1: assume #t~short178#1;#race~y$r_buff1_thd2~0 := 0;assume 0 == #race~y$r_buff1_thd2~0;#t~short178#1 := 0 == ~y$r_buff1_thd2~0 % 256;}EndParallelComposition#t~short179#1 := #t~short178#1;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short179#1;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~ite181#1 := ~y$w_buff1_used~0;ParallelCodeBlock1: assume !#t~short179#1;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short180#1 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short180#1;ParallelCodeBlock1: assume #t~short180#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short180#1 := 0 != ~y$r_buff0_thd2~0 % 256;}EndParallelComposition#t~ite181#1 := (if #t~short180#1 then 0 else 0);}EndParallelComposition#t~ite182#1 := #t~ite181#1;}EndParallelComposition~y$w_buff1_used~0 := (if 0 == #t~ite182#1 % 256 then 0 else 1);havoc #t~nondet183#1;#race~y$w_buff1_used~0 := #t~nondet183#1;assume #race~y$w_buff1_used~0 == #t~nondet183#1;havoc #t~ite182#1;havoc #t~short176#1;havoc #t~short177#1;havoc #t~short178#1;havoc #t~short179#1;havoc #t~ite181#1;havoc #t~short180#1;havoc #t~nondet183#1;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;assume 0 != ~weak$$choice2~0 % 256;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~ite191#1 := ~y$r_buff0_thd2~0;ParallelCodeBlock1: BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~weak$$choice2~0 % 256;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~ite182#1 := ~y$w_buff1_used~0;ParallelCodeBlock1: assume !(0 != ~weak$$choice2~0 % 256);#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short177#1 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short177#1;ParallelCodeBlock1: assume !#t~short177#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short176#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short176#1;ParallelCodeBlock1: assume #t~short176#1;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short176#1 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short177#1 := #t~short176#1;}EndParallelComposition#t~short179#1 := #t~short177#1;BeginParallelComposition{ParallelCodeBlock0: assume #t~short179#1;ParallelCodeBlock1: assume !#t~short179#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short178#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short178#1;ParallelCodeBlock1: assume #t~short178#1;#race~y$r_buff1_thd2~0 := 0;assume 0 == #race~y$r_buff1_thd2~0;#t~short178#1 := 0 == ~y$r_buff1_thd2~0 % 256;}EndParallelComposition#t~short179#1 := #t~short178#1;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short179#1;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~ite181#1 := ~y$w_buff1_used~0;ParallelCodeBlock1: assume !#t~short179#1;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short180#1 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short180#1;ParallelCodeBlock1: assume #t~short180#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short180#1 := 0 != ~y$r_buff0_thd2~0 % 256;}EndParallelComposition#t~ite181#1 := (if #t~short180#1 then 0 else 0);}EndParallelComposition#t~ite182#1 := #t~ite181#1;}EndParallelComposition~y$w_buff1_used~0 := (if 0 == #t~ite182#1 % 256 then 0 else 1);havoc #t~nondet183#1;#race~y$w_buff1_used~0 := #t~nondet183#1;assume #race~y$w_buff1_used~0 == #t~nondet183#1;havoc #t~ite182#1;havoc #t~short176#1;havoc #t~short177#1;havoc #t~short178#1;havoc #t~short179#1;havoc #t~ite181#1;havoc #t~short180#1;havoc #t~nondet183#1;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;assume !(0 != ~weak$$choice2~0 % 256);#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short185#1 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short185#1;ParallelCodeBlock1: assume !#t~short185#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short184#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short184#1;ParallelCodeBlock1: assume #t~short184#1;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short184#1 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short185#1 := #t~short184#1;}EndParallelComposition#t~short187#1 := #t~short185#1;BeginParallelComposition{ParallelCodeBlock0: assume #t~short187#1;ParallelCodeBlock1: assume !#t~short187#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short186#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short186#1;ParallelCodeBlock1: assume #t~short186#1;#race~y$r_buff1_thd2~0 := 0;assume 0 == #race~y$r_buff1_thd2~0;#t~short186#1 := 0 == ~y$r_buff1_thd2~0 % 256;}EndParallelComposition#t~short187#1 := #t~short186#1;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short187#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~ite190#1 := ~y$r_buff0_thd2~0;ParallelCodeBlock1: assume !#t~short187#1;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short188#1 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short188#1;ParallelCodeBlock1: assume #t~short188#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short188#1 := 0 != ~y$r_buff0_thd2~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short188#1;#t~ite189#1 := 0;ParallelCodeBlock1: assume !#t~short188#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~ite189#1 := ~y$r_buff0_thd2~0;}EndParallelComposition#t~ite190#1 := #t~ite189#1;}EndParallelComposition#t~ite191#1 := #t~ite190#1;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: ~y$r_buff0_thd2~0 := (if 0 == #t~ite191#1 % 256 then 0 else 1);havoc #t~nondet192#1;#race~y$r_buff0_thd2~0 := #t~nondet192#1;assume #race~y$r_buff0_thd2~0 == #t~nondet192#1;havoc #t~ite191#1;havoc #t~short184#1;havoc #t~short185#1;havoc #t~short186#1;havoc #t~short187#1;havoc #t~ite190#1;havoc #t~short188#1;havoc #t~ite189#1;havoc #t~nondet192#1;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;assume 0 != ~weak$$choice2~0 % 256;#race~y$r_buff1_thd2~0 := 0;assume 0 == #race~y$r_buff1_thd2~0;#t~ite199#1 := ~y$r_buff1_thd2~0;ParallelCodeBlock1: ~y$r_buff0_thd2~0 := (if 0 == #t~ite191#1 % 256 then 0 else 1);havoc #t~nondet192#1;#race~y$r_buff0_thd2~0 := #t~nondet192#1;assume #race~y$r_buff0_thd2~0 == #t~nondet192#1;havoc #t~ite191#1;havoc #t~short184#1;havoc #t~short185#1;havoc #t~short186#1;havoc #t~short187#1;havoc #t~ite190#1;havoc #t~short188#1;havoc #t~ite189#1;havoc #t~nondet192#1;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;assume !(0 != ~weak$$choice2~0 % 256);#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short194#1 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short194#1;ParallelCodeBlock1: assume !#t~short194#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short193#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short193#1;ParallelCodeBlock1: assume #t~short193#1;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short193#1 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short194#1 := #t~short193#1;}EndParallelComposition#t~short196#1 := #t~short194#1;BeginParallelComposition{ParallelCodeBlock0: assume #t~short196#1;ParallelCodeBlock1: assume !#t~short196#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short195#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short195#1;ParallelCodeBlock1: assume #t~short195#1;#race~y$r_buff1_thd2~0 := 0;assume 0 == #race~y$r_buff1_thd2~0;#t~short195#1 := 0 == ~y$r_buff1_thd2~0 % 256;}EndParallelComposition#t~short196#1 := #t~short195#1;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short196#1;#race~y$r_buff1_thd2~0 := 0;assume 0 == #race~y$r_buff1_thd2~0;#t~ite198#1 := ~y$r_buff1_thd2~0;ParallelCodeBlock1: assume !#t~short196#1;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short197#1 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short197#1;ParallelCodeBlock1: assume #t~short197#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short197#1 := 0 != ~y$r_buff0_thd2~0 % 256;}EndParallelComposition#t~ite198#1 := (if #t~short197#1 then 0 else 0);}EndParallelComposition#t~ite199#1 := #t~ite198#1;}EndParallelComposition~y$r_buff1_thd2~0 := (if 0 == #t~ite199#1 % 256 then 0 else 1);havoc #t~nondet200#1;#race~y$r_buff1_thd2~0 := #t~nondet200#1;assume #race~y$r_buff1_thd2~0 == #t~nondet200#1;havoc #t~ite199#1;havoc #t~short193#1;havoc #t~short194#1;havoc #t~short195#1;havoc #t~short196#1;havoc #t~ite198#1;havoc #t~short197#1;havoc #t~nondet200#1;#race~y~0 := 0;assume 0 == #race~y~0;~__unbuffered_p1_EAX~0 := ~y~0;havoc #t~nondet201#1;#race~__unbuffered_p1_EAX~0 := #t~nondet201#1;assume #race~__unbuffered_p1_EAX~0 == #t~nondet201#1;havoc #t~nondet201#1;#race~y$flush_delayed~0 := 0;assume 0 == #race~y$flush_delayed~0;BeginParallelComposition{ParallelCodeBlock0: assume !(0 != ~y$flush_delayed~0 % 256);#race~y~0 := 0;assume 0 == #race~y~0;#t~ite202#1 := ~y~0;ParallelCodeBlock1: assume 0 != ~y$flush_delayed~0 % 256;#race~y$mem_tmp~0 := 0;assume 0 == #race~y$mem_tmp~0;#t~ite202#1 := ~y$mem_tmp~0;}EndParallelComposition~y~0 := #t~ite202#1;havoc #t~nondet203#1;#race~y~0 := #t~nondet203#1;assume #race~y~0 == #t~nondet203#1;havoc #t~ite202#1;havoc #t~nondet203#1;~y$flush_delayed~0 := 0;havoc #t~nondet204#1;#race~y$flush_delayed~0 := #t~nondet204#1;assume #race~y$flush_delayed~0 == #t~nondet204#1;havoc #t~nondet204#1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: BeginParallelComposition{ParallelCodeBlock0: havoc #t~nondet135#1;assume 0 == #t~nondet135#1 || 1 == #t~nondet135#1;~weak$$choice0~0 := (if 0 == #t~nondet135#1 % 256 then 0 else 1);havoc #t~nondet136#1;#race~weak$$choice0~0 := #t~nondet136#1;assume #race~weak$$choice0~0 == #t~nondet136#1;havoc #t~nondet135#1;havoc #t~nondet136#1;havoc #t~nondet137#1;assume 0 == #t~nondet137#1 || 1 == #t~nondet137#1;~weak$$choice2~0 := (if 0 == #t~nondet137#1 % 256 then 0 else 1);havoc #t~nondet138#1;#race~weak$$choice2~0 := #t~nondet138#1;assume #race~weak$$choice2~0 == #t~nondet138#1;havoc #t~nondet137#1;havoc #t~nondet138#1;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;~y$flush_delayed~0 := (if 0 == ~weak$$choice2~0 % 256 then 0 else 1);havoc #t~nondet139#1;#race~y$flush_delayed~0 := #t~nondet139#1;assume #race~y$flush_delayed~0 == #t~nondet139#1;havoc #t~nondet139#1;#race~y~0 := 0;assume 0 == #race~y~0;~y$mem_tmp~0 := ~y~0;havoc #t~nondet140#1;#race~y$mem_tmp~0 := #t~nondet140#1;assume #race~y$mem_tmp~0 == #t~nondet140#1;havoc #t~nondet140#1;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short142#1 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short142#1;ParallelCodeBlock1: assume !#t~short142#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short141#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short141#1;ParallelCodeBlock1: assume #t~short141#1;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short141#1 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short142#1 := #t~short141#1;}EndParallelComposition#t~short144#1 := #t~short142#1;BeginParallelComposition{ParallelCodeBlock0: assume #t~short144#1;ParallelCodeBlock1: assume !#t~short144#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short143#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short143#1;ParallelCodeBlock1: assume #t~short143#1;#race~y$r_buff1_thd2~0 := 0;assume 0 == #race~y$r_buff1_thd2~0;#t~short143#1 := 0 == ~y$r_buff1_thd2~0 % 256;}EndParallelComposition#t~short144#1 := #t~short143#1;}EndParallelCompositionassume #t~short144#1;#race~y~0 := 0;assume 0 == #race~y~0;#t~ite147#1 := ~y~0;ParallelCodeBlock1: havoc #t~nondet135#1;assume 0 == #t~nondet135#1 || 1 == #t~nondet135#1;~weak$$choice0~0 := (if 0 == #t~nondet135#1 % 256 then 0 else 1);havoc #t~nondet136#1;#race~weak$$choice0~0 := #t~nondet136#1;assume #race~weak$$choice0~0 == #t~nondet136#1;havoc #t~nondet135#1;havoc #t~nondet136#1;havoc #t~nondet137#1;assume 0 == #t~nondet137#1 || 1 == #t~nondet137#1;~weak$$choice2~0 := (if 0 == #t~nondet137#1 % 256 then 0 else 1);havoc #t~nondet138#1;#race~weak$$choice2~0 := #t~nondet138#1;assume #race~weak$$choice2~0 == #t~nondet138#1;havoc #t~nondet137#1;havoc #t~nondet138#1;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;~y$flush_delayed~0 := (if 0 == ~weak$$choice2~0 % 256 then 0 else 1);havoc #t~nondet139#1;#race~y$flush_delayed~0 := #t~nondet139#1;assume #race~y$flush_delayed~0 == #t~nondet139#1;havoc #t~nondet139#1;#race~y~0 := 0;assume 0 == #race~y~0;~y$mem_tmp~0 := ~y~0;havoc #t~nondet140#1;#race~y$mem_tmp~0 := #t~nondet140#1;assume #race~y$mem_tmp~0 == #t~nondet140#1;havoc #t~nondet140#1;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short142#1 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short142#1;ParallelCodeBlock1: assume !#t~short142#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short141#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short141#1;ParallelCodeBlock1: assume #t~short141#1;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short141#1 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short142#1 := #t~short141#1;}EndParallelComposition#t~short144#1 := #t~short142#1;BeginParallelComposition{ParallelCodeBlock0: assume #t~short144#1;ParallelCodeBlock1: assume !#t~short144#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short143#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short143#1;ParallelCodeBlock1: assume #t~short143#1;#race~y$r_buff1_thd2~0 := 0;assume 0 == #race~y$r_buff1_thd2~0;#t~short143#1 := 0 == ~y$r_buff1_thd2~0 % 256;}EndParallelComposition#t~short144#1 := #t~short143#1;}EndParallelCompositionassume !#t~short144#1;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short145#1 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short145#1;ParallelCodeBlock1: assume #t~short145#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short145#1 := 0 != ~y$r_buff0_thd2~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short145#1;#race~y$w_buff0~0 := 0;assume 0 == #race~y$w_buff0~0;#t~ite146#1 := ~y$w_buff0~0;ParallelCodeBlock1: assume !#t~short145#1;#race~y$w_buff1~0 := 0;assume 0 == #race~y$w_buff1~0;#t~ite146#1 := ~y$w_buff1~0;}EndParallelComposition#t~ite147#1 := #t~ite146#1;}EndParallelComposition~y~0 := #t~ite147#1;havoc #t~nondet148#1;#race~y~0 := #t~nondet148#1;assume #race~y~0 == #t~nondet148#1;havoc #t~short141#1;havoc #t~short142#1;havoc #t~short143#1;havoc #t~short144#1;havoc #t~ite147#1;havoc #t~short145#1;havoc #t~ite146#1;havoc #t~nondet148#1;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~weak$$choice2~0 % 256;#race~y$w_buff0~0 := 0;assume 0 == #race~y$w_buff0~0;#t~ite156#1 := ~y$w_buff0~0;ParallelCodeBlock1: assume !(0 != ~weak$$choice2~0 % 256);#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short150#1 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short150#1;ParallelCodeBlock1: assume !#t~short150#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short149#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short149#1;ParallelCodeBlock1: assume #t~short149#1;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short149#1 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short150#1 := #t~short149#1;}EndParallelComposition#t~short152#1 := #t~short150#1;BeginParallelComposition{ParallelCodeBlock0: assume #t~short152#1;ParallelCodeBlock1: assume !#t~short152#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short151#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short151#1;ParallelCodeBlock1: assume #t~short151#1;#race~y$r_buff1_thd2~0 := 0;assume 0 == #race~y$r_buff1_thd2~0;#t~short151#1 := 0 == ~y$r_buff1_thd2~0 % 256;}EndParallelComposition#t~short152#1 := #t~short151#1;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short152#1;#race~y$w_buff0~0 := 0;assume 0 == #race~y$w_buff0~0;#t~ite155#1 := ~y$w_buff0~0;ParallelCodeBlock1: assume !#t~short152#1;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short153#1 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short153#1;ParallelCodeBlock1: assume #t~short153#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short153#1 := 0 != ~y$r_buff0_thd2~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short153#1;#race~y$w_buff0~0 := 0;assume 0 == #race~y$w_buff0~0;#t~ite154#1 := ~y$w_buff0~0;ParallelCodeBlock1: assume !#t~short153#1;#race~y$w_buff0~0 := 0;assume 0 == #race~y$w_buff0~0;#t~ite154#1 := ~y$w_buff0~0;}EndParallelComposition#t~ite155#1 := #t~ite154#1;}EndParallelComposition#t~ite156#1 := #t~ite155#1;}EndParallelComposition~y$w_buff0~0 := #t~ite156#1;havoc #t~nondet157#1;#race~y$w_buff0~0 := #t~nondet157#1;assume #race~y$w_buff0~0 == #t~nondet157#1;havoc #t~ite156#1;havoc #t~short149#1;havoc #t~short150#1;havoc #t~short151#1;havoc #t~short152#1;havoc #t~ite155#1;havoc #t~short153#1;havoc #t~ite154#1;havoc #t~nondet157#1;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~weak$$choice2~0 % 256;#race~y$w_buff1~0 := 0;assume 0 == #race~y$w_buff1~0;#t~ite165#1 := ~y$w_buff1~0;ParallelCodeBlock1: assume !(0 != ~weak$$choice2~0 % 256);#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short159#1 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short159#1;ParallelCodeBlock1: assume !#t~short159#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short158#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short158#1;ParallelCodeBlock1: assume #t~short158#1;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short158#1 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short159#1 := #t~short158#1;}EndParallelComposition#t~short161#1 := #t~short159#1;BeginParallelComposition{ParallelCodeBlock0: assume #t~short161#1;ParallelCodeBlock1: assume !#t~short161#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short160#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short160#1;ParallelCodeBlock1: assume #t~short160#1;#race~y$r_buff1_thd2~0 := 0;assume 0 == #race~y$r_buff1_thd2~0;#t~short160#1 := 0 == ~y$r_buff1_thd2~0 % 256;}EndParallelComposition#t~short161#1 := #t~short160#1;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short161#1;#race~y$w_buff1~0 := 0;assume 0 == #race~y$w_buff1~0;#t~ite164#1 := ~y$w_buff1~0;ParallelCodeBlock1: assume !#t~short161#1;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short162#1 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short162#1;ParallelCodeBlock1: assume #t~short162#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short162#1 := 0 != ~y$r_buff0_thd2~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short162#1;#race~y$w_buff1~0 := 0;assume 0 == #race~y$w_buff1~0;#t~ite163#1 := ~y$w_buff1~0;ParallelCodeBlock1: assume !#t~short162#1;#race~y$w_buff1~0 := 0;assume 0 == #race~y$w_buff1~0;#t~ite163#1 := ~y$w_buff1~0;}EndParallelComposition#t~ite164#1 := #t~ite163#1;}EndParallelComposition#t~ite165#1 := #t~ite164#1;}EndParallelComposition~y$w_buff1~0 := #t~ite165#1;havoc #t~nondet166#1;#race~y$w_buff1~0 := #t~nondet166#1;assume #race~y$w_buff1~0 == #t~nondet166#1;havoc #t~ite165#1;havoc #t~short158#1;havoc #t~short159#1;havoc #t~short160#1;havoc #t~short161#1;havoc #t~ite164#1;havoc #t~short162#1;havoc #t~ite163#1;havoc #t~nondet166#1;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~weak$$choice2~0 % 256;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~ite174#1 := ~y$w_buff0_used~0;ParallelCodeBlock1: assume !(0 != ~weak$$choice2~0 % 256);#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short168#1 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short168#1;ParallelCodeBlock1: assume !#t~short168#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short167#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short167#1;ParallelCodeBlock1: assume #t~short167#1;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short167#1 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short168#1 := #t~short167#1;}EndParallelComposition#t~short170#1 := #t~short168#1;BeginParallelComposition{ParallelCodeBlock0: assume #t~short170#1;ParallelCodeBlock1: assume !#t~short170#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short169#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short169#1;ParallelCodeBlock1: assume #t~short169#1;#race~y$r_buff1_thd2~0 := 0;assume 0 == #race~y$r_buff1_thd2~0;#t~short169#1 := 0 == ~y$r_buff1_thd2~0 % 256;}EndParallelComposition#t~short170#1 := #t~short169#1;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short170#1;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~ite173#1 := ~y$w_buff0_used~0;ParallelCodeBlock1: assume !#t~short170#1;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short171#1 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short171#1;ParallelCodeBlock1: assume #t~short171#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short171#1 := 0 != ~y$r_buff0_thd2~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short171#1;#t~ite172#1 := 0;ParallelCodeBlock1: assume !#t~short171#1;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~ite172#1 := ~y$w_buff0_used~0;}EndParallelComposition#t~ite173#1 := #t~ite172#1;}EndParallelComposition#t~ite174#1 := #t~ite173#1;}EndParallelComposition~y$w_buff0_used~0 := (if 0 == #t~ite174#1 % 256 then 0 else 1);havoc #t~nondet175#1;#race~y$w_buff0_used~0 := #t~nondet175#1;assume #race~y$w_buff0_used~0 == #t~nondet175#1;havoc #t~ite174#1;havoc #t~short167#1;havoc #t~short168#1;havoc #t~short169#1;havoc #t~short170#1;havoc #t~ite173#1;havoc #t~short171#1;havoc #t~ite172#1;havoc #t~nondet175#1;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;BeginParallelComposition{ParallelCodeBlock0: BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~weak$$choice2~0 % 256;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~ite182#1 := ~y$w_buff1_used~0;ParallelCodeBlock1: assume !(0 != ~weak$$choice2~0 % 256);#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short177#1 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short177#1;ParallelCodeBlock1: assume !#t~short177#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short176#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short176#1;ParallelCodeBlock1: assume #t~short176#1;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short176#1 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short177#1 := #t~short176#1;}EndParallelComposition#t~short179#1 := #t~short177#1;BeginParallelComposition{ParallelCodeBlock0: assume #t~short179#1;ParallelCodeBlock1: assume !#t~short179#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short178#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short178#1;ParallelCodeBlock1: assume #t~short178#1;#race~y$r_buff1_thd2~0 := 0;assume 0 == #race~y$r_buff1_thd2~0;#t~short178#1 := 0 == ~y$r_buff1_thd2~0 % 256;}EndParallelComposition#t~short179#1 := #t~short178#1;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short179#1;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~ite181#1 := ~y$w_buff1_used~0;ParallelCodeBlock1: assume !#t~short179#1;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short180#1 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short180#1;ParallelCodeBlock1: assume #t~short180#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short180#1 := 0 != ~y$r_buff0_thd2~0 % 256;}EndParallelComposition#t~ite181#1 := (if #t~short180#1 then 0 else 0);}EndParallelComposition#t~ite182#1 := #t~ite181#1;}EndParallelComposition~y$w_buff1_used~0 := (if 0 == #t~ite182#1 % 256 then 0 else 1);havoc #t~nondet183#1;#race~y$w_buff1_used~0 := #t~nondet183#1;assume #race~y$w_buff1_used~0 == #t~nondet183#1;havoc #t~ite182#1;havoc #t~short176#1;havoc #t~short177#1;havoc #t~short178#1;havoc #t~short179#1;havoc #t~ite181#1;havoc #t~short180#1;havoc #t~nondet183#1;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;assume 0 != ~weak$$choice2~0 % 256;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~ite191#1 := ~y$r_buff0_thd2~0;ParallelCodeBlock1: BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~weak$$choice2~0 % 256;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~ite182#1 := ~y$w_buff1_used~0;ParallelCodeBlock1: assume !(0 != ~weak$$choice2~0 % 256);#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short177#1 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short177#1;ParallelCodeBlock1: assume !#t~short177#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short176#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short176#1;ParallelCodeBlock1: assume #t~short176#1;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short176#1 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short177#1 := #t~short176#1;}EndParallelComposition#t~short179#1 := #t~short177#1;BeginParallelComposition{ParallelCodeBlock0: assume #t~short179#1;ParallelCodeBlock1: assume !#t~short179#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short178#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short178#1;ParallelCodeBlock1: assume #t~short178#1;#race~y$r_buff1_thd2~0 := 0;assume 0 == #race~y$r_buff1_thd2~0;#t~short178#1 := 0 == ~y$r_buff1_thd2~0 % 256;}EndParallelComposition#t~short179#1 := #t~short178#1;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short179#1;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~ite181#1 := ~y$w_buff1_used~0;ParallelCodeBlock1: assume !#t~short179#1;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short180#1 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short180#1;ParallelCodeBlock1: assume #t~short180#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short180#1 := 0 != ~y$r_buff0_thd2~0 % 256;}EndParallelComposition#t~ite181#1 := (if #t~short180#1 then 0 else 0);}EndParallelComposition#t~ite182#1 := #t~ite181#1;}EndParallelComposition~y$w_buff1_used~0 := (if 0 == #t~ite182#1 % 256 then 0 else 1);havoc #t~nondet183#1;#race~y$w_buff1_used~0 := #t~nondet183#1;assume #race~y$w_buff1_used~0 == #t~nondet183#1;havoc #t~ite182#1;havoc #t~short176#1;havoc #t~short177#1;havoc #t~short178#1;havoc #t~short179#1;havoc #t~ite181#1;havoc #t~short180#1;havoc #t~nondet183#1;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;assume !(0 != ~weak$$choice2~0 % 256);#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short185#1 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short185#1;ParallelCodeBlock1: assume !#t~short185#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short184#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short184#1;ParallelCodeBlock1: assume #t~short184#1;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short184#1 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short185#1 := #t~short184#1;}EndParallelComposition#t~short187#1 := #t~short185#1;BeginParallelComposition{ParallelCodeBlock0: assume #t~short187#1;ParallelCodeBlock1: assume !#t~short187#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short186#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short186#1;ParallelCodeBlock1: assume #t~short186#1;#race~y$r_buff1_thd2~0 := 0;assume 0 == #race~y$r_buff1_thd2~0;#t~short186#1 := 0 == ~y$r_buff1_thd2~0 % 256;}EndParallelComposition#t~short187#1 := #t~short186#1;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short187#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~ite190#1 := ~y$r_buff0_thd2~0;ParallelCodeBlock1: assume !#t~short187#1;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short188#1 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short188#1;ParallelCodeBlock1: assume #t~short188#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short188#1 := 0 != ~y$r_buff0_thd2~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short188#1;#t~ite189#1 := 0;ParallelCodeBlock1: assume !#t~short188#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~ite189#1 := ~y$r_buff0_thd2~0;}EndParallelComposition#t~ite190#1 := #t~ite189#1;}EndParallelComposition#t~ite191#1 := #t~ite190#1;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: ~y$r_buff0_thd2~0 := (if 0 == #t~ite191#1 % 256 then 0 else 1);havoc #t~nondet192#1;#race~y$r_buff0_thd2~0 := #t~nondet192#1;assume #race~y$r_buff0_thd2~0 == #t~nondet192#1;havoc #t~ite191#1;havoc #t~short184#1;havoc #t~short185#1;havoc #t~short186#1;havoc #t~short187#1;havoc #t~ite190#1;havoc #t~short188#1;havoc #t~ite189#1;havoc #t~nondet192#1;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;assume 0 != ~weak$$choice2~0 % 256;#race~y$r_buff1_thd2~0 := 0;assume 0 == #race~y$r_buff1_thd2~0;#t~ite199#1 := ~y$r_buff1_thd2~0;ParallelCodeBlock1: ~y$r_buff0_thd2~0 := (if 0 == #t~ite191#1 % 256 then 0 else 1);havoc #t~nondet192#1;#race~y$r_buff0_thd2~0 := #t~nondet192#1;assume #race~y$r_buff0_thd2~0 == #t~nondet192#1;havoc #t~ite191#1;havoc #t~short184#1;havoc #t~short185#1;havoc #t~short186#1;havoc #t~short187#1;havoc #t~ite190#1;havoc #t~short188#1;havoc #t~ite189#1;havoc #t~nondet192#1;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;assume !(0 != ~weak$$choice2~0 % 256);#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short194#1 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short194#1;ParallelCodeBlock1: assume !#t~short194#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short193#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short193#1;ParallelCodeBlock1: assume #t~short193#1;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short193#1 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short194#1 := #t~short193#1;}EndParallelComposition#t~short196#1 := #t~short194#1;BeginParallelComposition{ParallelCodeBlock0: assume #t~short196#1;ParallelCodeBlock1: assume !#t~short196#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short195#1 := 0 == ~y$r_buff0_thd2~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short195#1;ParallelCodeBlock1: assume #t~short195#1;#race~y$r_buff1_thd2~0 := 0;assume 0 == #race~y$r_buff1_thd2~0;#t~short195#1 := 0 == ~y$r_buff1_thd2~0 % 256;}EndParallelComposition#t~short196#1 := #t~short195#1;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short196#1;#race~y$r_buff1_thd2~0 := 0;assume 0 == #race~y$r_buff1_thd2~0;#t~ite198#1 := ~y$r_buff1_thd2~0;ParallelCodeBlock1: assume !#t~short196#1;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short197#1 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short197#1;ParallelCodeBlock1: assume #t~short197#1;#race~y$r_buff0_thd2~0 := 0;assume 0 == #race~y$r_buff0_thd2~0;#t~short197#1 := 0 != ~y$r_buff0_thd2~0 % 256;}EndParallelComposition#t~ite198#1 := (if #t~short197#1 then 0 else 0);}EndParallelComposition#t~ite199#1 := #t~ite198#1;}EndParallelComposition~y$r_buff1_thd2~0 := (if 0 == #t~ite199#1 % 256 then 0 else 1);havoc #t~nondet200#1;#race~y$r_buff1_thd2~0 := #t~nondet200#1;assume #race~y$r_buff1_thd2~0 == #t~nondet200#1;havoc #t~ite199#1;havoc #t~short193#1;havoc #t~short194#1;havoc #t~short195#1;havoc #t~short196#1;havoc #t~ite198#1;havoc #t~short197#1;havoc #t~nondet200#1;#race~y~0 := 0;assume 0 == #race~y~0;~__unbuffered_p1_EAX~0 := ~y~0;havoc #t~nondet201#1;#race~__unbuffered_p1_EAX~0 := #t~nondet201#1;assume #race~__unbuffered_p1_EAX~0 == #t~nondet201#1;havoc #t~nondet201#1;#race~y$flush_delayed~0 := 0;assume 0 == #race~y$flush_delayed~0;BeginParallelComposition{ParallelCodeBlock0: assume !(0 != ~y$flush_delayed~0 % 256);#race~y~0 := 0;assume 0 == #race~y~0;#t~ite202#1 := ~y~0;ParallelCodeBlock1: assume 0 != ~y$flush_delayed~0 % 256;#race~y$mem_tmp~0 := 0;assume 0 == #race~y$mem_tmp~0;#t~ite202#1 := ~y$mem_tmp~0;}EndParallelComposition~y~0 := #t~ite202#1;havoc #t~nondet203#1;#race~y~0 := #t~nondet203#1;assume #race~y~0 == #t~nondet203#1;havoc #t~ite202#1;havoc #t~nondet203#1;~y$flush_delayed~0 := 0;havoc #t~nondet204#1;#race~y$flush_delayed~0 := #t~nondet204#1;assume #race~y$flush_delayed~0 == #t~nondet204#1;havoc #t~nondet204#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 04:40:37,870 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...