/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --icfgbuilder.only.consider.context.switches.at.boundaries.of.atomic.blocks false --rcfgbuilder.only.consider.context.switches.at.boundaries.of.atomic.blocks false --traceabstraction.dfs.order.used.in.por BY_SERIAL_NUMBER --traceabstraction.abstraction.used.for.commutativity.in.por VARIABLES_GLOBAL --traceabstraction.commutativity.condition.synthesis NONE -i ../../../trunk/examples/svcomp/pthread-wmm/safe023_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.cfg-lbe-improvements-04aa6ae-m [2025-04-16 01:50:05,093 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-16 01:50:05,143 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-16 01:50:05,147 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-16 01:50:05,147 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-16 01:50:05,163 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-16 01:50:05,164 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-16 01:50:05,164 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-16 01:50:05,164 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-16 01:50:05,164 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-16 01:50:05,164 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-16 01:50:05,164 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-16 01:50:05,164 INFO L153 SettingsManager]: * Use SBE=true [2025-04-16 01:50:05,164 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-16 01:50:05,165 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-16 01:50:05,165 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-16 01:50:05,165 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-16 01:50:05,165 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-16 01:50:05,165 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-16 01:50:05,165 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-16 01:50:05,165 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-16 01:50:05,165 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-16 01:50:05,165 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-16 01:50:05,165 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-16 01:50:05,165 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-16 01:50:05,165 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-16 01:50:05,165 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-16 01:50:05,165 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-16 01:50:05,165 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-16 01:50:05,165 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-16 01:50:05,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-16 01:50:05,166 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-16 01:50:05,166 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-16 01:50:05,166 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-16 01:50:05,166 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-16 01:50:05,166 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-16 01:50:05,166 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-16 01:50:05,166 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-16 01:50:05,166 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-16 01:50:05,166 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-16 01:50:05,166 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-16 01:50:05,166 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-16 01:50:05,166 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-16 01:50:05,166 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-16 01:50:05,166 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-16 01:50:05,168 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-16 01:50:05,168 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-16 01:50:05,168 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder: Only consider context switches at boundaries of atomic blocks -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Only consider context switches at boundaries of atomic blocks -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> BY_SERIAL_NUMBER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstraction used for commutativity in POR -> VARIABLES_GLOBAL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NONE [2025-04-16 01:50:05,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-16 01:50:05,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-16 01:50:05,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-16 01:50:05,388 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-16 01:50:05,388 INFO L274 PluginConnector]: CDTParser initialized [2025-04-16 01:50:05,389 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe023_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2025-04-16 01:50:06,674 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44a5b3b20/d2fb1a2b625749afbbed3857d549427d/FLAG8340f3f91 [2025-04-16 01:50:06,897 INFO L389 CDTParser]: Found 1 translation units. [2025-04-16 01:50:06,898 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe023_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2025-04-16 01:50:06,908 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44a5b3b20/d2fb1a2b625749afbbed3857d549427d/FLAG8340f3f91 [2025-04-16 01:50:07,675 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44a5b3b20/d2fb1a2b625749afbbed3857d549427d [2025-04-16 01:50:07,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-16 01:50:07,678 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-16 01:50:07,679 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-16 01:50:07,679 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-16 01:50:07,683 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-16 01:50:07,684 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 01:50:07" (1/1) ... [2025-04-16 01:50:07,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57c7d0a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:50:07, skipping insertion in model container [2025-04-16 01:50:07,684 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 01:50:07" (1/1) ... [2025-04-16 01:50:07,717 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-16 01:50:08,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-16 01:50:08,034 INFO L200 MainTranslator]: Completed pre-run [2025-04-16 01:50:08,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-16 01:50:08,142 INFO L204 MainTranslator]: Completed translation [2025-04-16 01:50:08,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:50:08 WrapperNode [2025-04-16 01:50:08,143 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-16 01:50:08,143 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-16 01:50:08,143 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-16 01:50:08,143 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-16 01:50:08,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:50:08" (1/1) ... [2025-04-16 01:50:08,175 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:50:08" (1/1) ... [2025-04-16 01:50:08,200 INFO L138 Inliner]: procedures = 175, calls = 45, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 928 [2025-04-16 01:50:08,200 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-16 01:50:08,200 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-16 01:50:08,200 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-16 01:50:08,200 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-16 01:50:08,205 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:50:08" (1/1) ... [2025-04-16 01:50:08,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:50:08" (1/1) ... [2025-04-16 01:50:08,211 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:50:08" (1/1) ... [2025-04-16 01:50:08,211 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:50:08" (1/1) ... [2025-04-16 01:50:08,235 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:50:08" (1/1) ... [2025-04-16 01:50:08,237 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:50:08" (1/1) ... [2025-04-16 01:50:08,253 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:50:08" (1/1) ... [2025-04-16 01:50:08,258 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:50:08" (1/1) ... [2025-04-16 01:50:08,265 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:50:08" (1/1) ... [2025-04-16 01:50:08,277 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-16 01:50:08,279 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-16 01:50:08,279 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-16 01:50:08,279 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-16 01:50:08,280 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 01:50:08" (1/1) ... [2025-04-16 01:50:08,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-16 01:50:08,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-16 01:50:08,301 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-16 01:50:08,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-16 01:50:08,321 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-16 01:50:08,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-16 01:50:08,322 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-04-16 01:50:08,322 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-04-16 01:50:08,322 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-04-16 01:50:08,322 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-04-16 01:50:08,322 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-04-16 01:50:08,322 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-04-16 01:50:08,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-16 01:50:08,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-16 01:50:08,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-16 01:50:08,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-16 01:50:08,324 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-16 01:50:08,483 INFO L234 CfgBuilder]: Building ICFG [2025-04-16 01:50:08,485 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-16 01:50:10,107 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-16 01:50:10,108 INFO L289 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-16 01:50:10,108 INFO L294 CfgBuilder]: Performing block encoding [2025-04-16 01:50:13,544 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: BeginParallelComposition{ParallelCodeBlock0: havoc #t~nondet25;assume 0 == #t~nondet25 || 1 == #t~nondet25;~weak$$choice0~0 := (if 0 == #t~nondet25 % 256 then 0 else 1);havoc #t~nondet26;#race~weak$$choice0~0 := #t~nondet26;assume #race~weak$$choice0~0 == #t~nondet26;havoc #t~nondet25;havoc #t~nondet26;havoc #t~nondet27;assume 0 == #t~nondet27 || 1 == #t~nondet27;~weak$$choice2~0 := (if 0 == #t~nondet27 % 256 then 0 else 1);havoc #t~nondet28;#race~weak$$choice2~0 := #t~nondet28;assume #race~weak$$choice2~0 == #t~nondet28;havoc #t~nondet27;havoc #t~nondet28;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;~y$flush_delayed~0 := (if 0 == ~weak$$choice2~0 % 256 then 0 else 1);havoc #t~nondet29;#race~y$flush_delayed~0 := #t~nondet29;assume #race~y$flush_delayed~0 == #t~nondet29;havoc #t~nondet29;#race~y~0 := 0;assume 0 == #race~y~0;~y$mem_tmp~0 := ~y~0;havoc #t~nondet30;#race~y$mem_tmp~0 := #t~nondet30;assume #race~y$mem_tmp~0 == #t~nondet30;havoc #t~nondet30;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short32 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short32;ParallelCodeBlock1: assume !#t~short32;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short31 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short31;ParallelCodeBlock1: assume #t~short31;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short31 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short32 := #t~short31;}EndParallelComposition#t~short34 := #t~short32;BeginParallelComposition{ParallelCodeBlock0: assume #t~short34;ParallelCodeBlock1: assume !#t~short34;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short33 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short33;ParallelCodeBlock1: assume #t~short33;#race~y$r_buff1_thd1~0 := 0;assume 0 == #race~y$r_buff1_thd1~0;#t~short33 := 0 == ~y$r_buff1_thd1~0 % 256;}EndParallelComposition#t~short34 := #t~short33;}EndParallelCompositionassume #t~short34;#race~y~0 := 0;assume 0 == #race~y~0;#t~ite37 := ~y~0;ParallelCodeBlock1: havoc #t~nondet25;assume 0 == #t~nondet25 || 1 == #t~nondet25;~weak$$choice0~0 := (if 0 == #t~nondet25 % 256 then 0 else 1);havoc #t~nondet26;#race~weak$$choice0~0 := #t~nondet26;assume #race~weak$$choice0~0 == #t~nondet26;havoc #t~nondet25;havoc #t~nondet26;havoc #t~nondet27;assume 0 == #t~nondet27 || 1 == #t~nondet27;~weak$$choice2~0 := (if 0 == #t~nondet27 % 256 then 0 else 1);havoc #t~nondet28;#race~weak$$choice2~0 := #t~nondet28;assume #race~weak$$choice2~0 == #t~nondet28;havoc #t~nondet27;havoc #t~nondet28;#race~weak$$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~nondet29;#race~y$flush_delayed~0 := #t~nondet29;assume #race~y$flush_delayed~0 == #t~nondet29;havoc #t~nondet29;#race~y~0 := 0;assume 0 == #race~y~0;~y$mem_tmp~0 := ~y~0;havoc #t~nondet30;#race~y$mem_tmp~0 := #t~nondet30;assume #race~y$mem_tmp~0 == #t~nondet30;havoc #t~nondet30;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short32 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short32;ParallelCodeBlock1: assume !#t~short32;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short31 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short31;ParallelCodeBlock1: assume #t~short31;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short31 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short32 := #t~short31;}EndParallelComposition#t~short34 := #t~short32;BeginParallelComposition{ParallelCodeBlock0: assume #t~short34;ParallelCodeBlock1: assume !#t~short34;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short33 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short33;ParallelCodeBlock1: assume #t~short33;#race~y$r_buff1_thd1~0 := 0;assume 0 == #race~y$r_buff1_thd1~0;#t~short33 := 0 == ~y$r_buff1_thd1~0 % 256;}EndParallelComposition#t~short34 := #t~short33;}EndParallelCompositionassume !#t~short34;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short35 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short35;ParallelCodeBlock1: assume #t~short35;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short35 := 0 != ~y$r_buff0_thd1~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short35;#race~y$w_buff0~0 := 0;assume 0 == #race~y$w_buff0~0;#t~ite36 := ~y$w_buff0~0;ParallelCodeBlock1: assume !#t~short35;#race~y$w_buff1~0 := 0;assume 0 == #race~y$w_buff1~0;#t~ite36 := ~y$w_buff1~0;}EndParallelComposition#t~ite37 := #t~ite36;}EndParallelComposition~y~0 := #t~ite37;havoc #t~nondet38;#race~y~0 := #t~nondet38;assume #race~y~0 == #t~nondet38;havoc #t~short31;havoc #t~short32;havoc #t~short33;havoc #t~short34;havoc #t~ite37;havoc #t~short35;havoc #t~ite36;havoc #t~nondet38;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~weak$$choice2~0 % 256;#race~y$w_buff0~0 := 0;assume 0 == #race~y$w_buff0~0;#t~ite46 := ~y$w_buff0~0;ParallelCodeBlock1: assume !(0 != ~weak$$choice2~0 % 256);#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short40 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short40;ParallelCodeBlock1: assume !#t~short40;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short39 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short39;ParallelCodeBlock1: assume #t~short39;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short39 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short40 := #t~short39;}EndParallelComposition#t~short42 := #t~short40;BeginParallelComposition{ParallelCodeBlock0: assume #t~short42;ParallelCodeBlock1: assume !#t~short42;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short41 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short41;ParallelCodeBlock1: assume #t~short41;#race~y$r_buff1_thd1~0 := 0;assume 0 == #race~y$r_buff1_thd1~0;#t~short41 := 0 == ~y$r_buff1_thd1~0 % 256;}EndParallelComposition#t~short42 := #t~short41;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short42;#race~y$w_buff0~0 := 0;assume 0 == #race~y$w_buff0~0;#t~ite45 := ~y$w_buff0~0;ParallelCodeBlock1: assume !#t~short42;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short43 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short43;ParallelCodeBlock1: assume #t~short43;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short43 := 0 != ~y$r_buff0_thd1~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short43;#race~y$w_buff0~0 := 0;assume 0 == #race~y$w_buff0~0;#t~ite44 := ~y$w_buff0~0;ParallelCodeBlock1: assume !#t~short43;#race~y$w_buff0~0 := 0;assume 0 == #race~y$w_buff0~0;#t~ite44 := ~y$w_buff0~0;}EndParallelComposition#t~ite45 := #t~ite44;}EndParallelComposition#t~ite46 := #t~ite45;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: ~y$w_buff0~0 := #t~ite46;havoc #t~nondet47;#race~y$w_buff0~0 := #t~nondet47;assume #race~y$w_buff0~0 == #t~nondet47;havoc #t~ite46;havoc #t~short39;havoc #t~short40;havoc #t~short41;havoc #t~short42;havoc #t~ite45;havoc #t~short43;havoc #t~ite44;havoc #t~nondet47;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;assume 0 != ~weak$$choice2~0 % 256;#race~y$w_buff1~0 := 0;assume 0 == #race~y$w_buff1~0;#t~ite55 := ~y$w_buff1~0;ParallelCodeBlock1: ~y$w_buff0~0 := #t~ite46;havoc #t~nondet47;#race~y$w_buff0~0 := #t~nondet47;assume #race~y$w_buff0~0 == #t~nondet47;havoc #t~ite46;havoc #t~short39;havoc #t~short40;havoc #t~short41;havoc #t~short42;havoc #t~ite45;havoc #t~short43;havoc #t~ite44;havoc #t~nondet47;#race~weak$$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~short49 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short49;ParallelCodeBlock1: assume !#t~short49;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short48 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short48;ParallelCodeBlock1: assume #t~short48;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short48 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short49 := #t~short48;}EndParallelComposition#t~short51 := #t~short49;BeginParallelComposition{ParallelCodeBlock0: assume #t~short51;ParallelCodeBlock1: assume !#t~short51;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short50 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short50;ParallelCodeBlock1: assume #t~short50;#race~y$r_buff1_thd1~0 := 0;assume 0 == #race~y$r_buff1_thd1~0;#t~short50 := 0 == ~y$r_buff1_thd1~0 % 256;}EndParallelComposition#t~short51 := #t~short50;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short51;#race~y$w_buff1~0 := 0;assume 0 == #race~y$w_buff1~0;#t~ite54 := ~y$w_buff1~0;ParallelCodeBlock1: assume !#t~short51;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short52 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short52;ParallelCodeBlock1: assume #t~short52;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short52 := 0 != ~y$r_buff0_thd1~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short52;#race~y$w_buff1~0 := 0;assume 0 == #race~y$w_buff1~0;#t~ite53 := ~y$w_buff1~0;ParallelCodeBlock1: assume !#t~short52;#race~y$w_buff1~0 := 0;assume 0 == #race~y$w_buff1~0;#t~ite53 := ~y$w_buff1~0;}EndParallelComposition#t~ite54 := #t~ite53;}EndParallelComposition#t~ite55 := #t~ite54;}EndParallelComposition~y$w_buff1~0 := #t~ite55;havoc #t~nondet56;#race~y$w_buff1~0 := #t~nondet56;assume #race~y$w_buff1~0 == #t~nondet56;havoc #t~ite55;havoc #t~short48;havoc #t~short49;havoc #t~short50;havoc #t~short51;havoc #t~ite54;havoc #t~short52;havoc #t~ite53;havoc #t~nondet56;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~weak$$choice2~0 % 256;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~ite64 := ~y$w_buff0_used~0;ParallelCodeBlock1: assume !(0 != ~weak$$choice2~0 % 256);#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short58 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short58;ParallelCodeBlock1: assume !#t~short58;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short57 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short57;ParallelCodeBlock1: assume #t~short57;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short57 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short58 := #t~short57;}EndParallelComposition#t~short60 := #t~short58;BeginParallelComposition{ParallelCodeBlock0: assume #t~short60;ParallelCodeBlock1: assume !#t~short60;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short59 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short59;ParallelCodeBlock1: assume #t~short59;#race~y$r_buff1_thd1~0 := 0;assume 0 == #race~y$r_buff1_thd1~0;#t~short59 := 0 == ~y$r_buff1_thd1~0 % 256;}EndParallelComposition#t~short60 := #t~short59;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short60;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~ite63 := ~y$w_buff0_used~0;ParallelCodeBlock1: assume !#t~short60;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short61 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short61;ParallelCodeBlock1: assume #t~short61;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short61 := 0 != ~y$r_buff0_thd1~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short61;#t~ite62 := 0;ParallelCodeBlock1: assume !#t~short61;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~ite62 := ~y$w_buff0_used~0;}EndParallelComposition#t~ite63 := #t~ite62;}EndParallelComposition#t~ite64 := #t~ite63;}EndParallelComposition~y$w_buff0_used~0 := (if 0 == #t~ite64 % 256 then 0 else 1);havoc #t~nondet65;#race~y$w_buff0_used~0 := #t~nondet65;assume #race~y$w_buff0_used~0 == #t~nondet65;havoc #t~ite64;havoc #t~short57;havoc #t~short58;havoc #t~short59;havoc #t~short60;havoc #t~ite63;havoc #t~short61;havoc #t~ite62;havoc #t~nondet65;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~weak$$choice2~0 % 256;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~ite72 := ~y$w_buff1_used~0;ParallelCodeBlock1: assume !(0 != ~weak$$choice2~0 % 256);#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short67 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short67;ParallelCodeBlock1: assume !#t~short67;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short66 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short66;ParallelCodeBlock1: assume #t~short66;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short66 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short67 := #t~short66;}EndParallelComposition#t~short69 := #t~short67;BeginParallelComposition{ParallelCodeBlock0: assume #t~short69;ParallelCodeBlock1: assume !#t~short69;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short68 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short68;ParallelCodeBlock1: assume #t~short68;#race~y$r_buff1_thd1~0 := 0;assume 0 == #race~y$r_buff1_thd1~0;#t~short68 := 0 == ~y$r_buff1_thd1~0 % 256;}EndParallelComposition#t~short69 := #t~short68;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short69;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~ite71 := ~y$w_buff1_used~0;ParallelCodeBlock1: assume !#t~short69;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short70 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short70;ParallelCodeBlock1: assume #t~short70;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short70 := 0 != ~y$r_buff0_thd1~0 % 256;}EndParallelComposition#t~ite71 := (if #t~short70 then 0 else 0);}EndParallelComposition#t~ite72 := #t~ite71;}EndParallelComposition~y$w_buff1_used~0 := (if 0 == #t~ite72 % 256 then 0 else 1);havoc #t~nondet73;#race~y$w_buff1_used~0 := #t~nondet73;assume #race~y$w_buff1_used~0 == #t~nondet73;havoc #t~ite72;havoc #t~short66;havoc #t~short67;havoc #t~short68;havoc #t~short69;havoc #t~ite71;havoc #t~short70;havoc #t~nondet73;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~weak$$choice2~0 % 256;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~ite81 := ~y$r_buff0_thd1~0;ParallelCodeBlock1: assume !(0 != ~weak$$choice2~0 % 256);#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short75 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short75;ParallelCodeBlock1: assume !#t~short75;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short74 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short74;ParallelCodeBlock1: assume #t~short74;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short74 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short75 := #t~short74;}EndParallelComposition#t~short77 := #t~short75;BeginParallelComposition{ParallelCodeBlock0: assume #t~short77;ParallelCodeBlock1: assume !#t~short77;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short76 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short76;ParallelCodeBlock1: assume #t~short76;#race~y$r_buff1_thd1~0 := 0;assume 0 == #race~y$r_buff1_thd1~0;#t~short76 := 0 == ~y$r_buff1_thd1~0 % 256;}EndParallelComposition#t~short77 := #t~short76;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short77;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~ite80 := ~y$r_buff0_thd1~0;ParallelCodeBlock1: assume !#t~short77;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short78 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short78;ParallelCodeBlock1: assume #t~short78;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short78 := 0 != ~y$r_buff0_thd1~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short78;#t~ite79 := 0;ParallelCodeBlock1: assume !#t~short78;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~ite79 := ~y$r_buff0_thd1~0;}EndParallelComposition#t~ite80 := #t~ite79;}EndParallelComposition#t~ite81 := #t~ite80;}EndParallelComposition~y$r_buff0_thd1~0 := (if 0 == #t~ite81 % 256 then 0 else 1);havoc #t~nondet82;#race~y$r_buff0_thd1~0 := #t~nondet82;assume #race~y$r_buff0_thd1~0 == #t~nondet82;havoc #t~ite81;havoc #t~short74;havoc #t~short75;havoc #t~short76;havoc #t~short77;havoc #t~ite80;havoc #t~short78;havoc #t~ite79;havoc #t~nondet82;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~weak$$choice2~0 % 256;#race~y$r_buff1_thd1~0 := 0;assume 0 == #race~y$r_buff1_thd1~0;#t~ite89 := ~y$r_buff1_thd1~0;ParallelCodeBlock1: assume !(0 != ~weak$$choice2~0 % 256);#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short84 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short84;ParallelCodeBlock1: assume !#t~short84;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short83 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short83;ParallelCodeBlock1: assume #t~short83;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short83 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short84 := #t~short83;}EndParallelComposition#t~short86 := #t~short84;BeginParallelComposition{ParallelCodeBlock0: assume #t~short86;ParallelCodeBlock1: assume !#t~short86;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short85 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short85;ParallelCodeBlock1: assume #t~short85;#race~y$r_buff1_thd1~0 := 0;assume 0 == #race~y$r_buff1_thd1~0;#t~short85 := 0 == ~y$r_buff1_thd1~0 % 256;}EndParallelComposition#t~short86 := #t~short85;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short86;#race~y$r_buff1_thd1~0 := 0;assume 0 == #race~y$r_buff1_thd1~0;#t~ite88 := ~y$r_buff1_thd1~0;ParallelCodeBlock1: assume !#t~short86;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short87 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short87;ParallelCodeBlock1: assume #t~short87;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short87 := 0 != ~y$r_buff0_thd1~0 % 256;}EndParallelComposition#t~ite88 := (if #t~short87 then 0 else 0);}EndParallelComposition#t~ite89 := #t~ite88;}EndParallelComposition~y$r_buff1_thd1~0 := (if 0 == #t~ite89 % 256 then 0 else 1);havoc #t~nondet90;#race~y$r_buff1_thd1~0 := #t~nondet90;assume #race~y$r_buff1_thd1~0 == #t~nondet90;havoc #t~ite89;havoc #t~short83;havoc #t~short84;havoc #t~short85;havoc #t~short86;havoc #t~ite88;havoc #t~short87;havoc #t~nondet90;#race~y~0 := 0;assume 0 == #race~y~0;~__unbuffered_p0_EAX~0 := ~y~0;havoc #t~nondet91;#race~__unbuffered_p0_EAX~0 := #t~nondet91;assume #race~__unbuffered_p0_EAX~0 == #t~nondet91;havoc #t~nondet91;#race~y$flush_delayed~0 := 0;assume 0 == #race~y$flush_delayed~0;BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~y$flush_delayed~0 % 256;#race~y$mem_tmp~0 := 0;assume 0 == #race~y$mem_tmp~0;#t~ite92 := ~y$mem_tmp~0;ParallelCodeBlock1: assume !(0 != ~y$flush_delayed~0 % 256);#race~y~0 := 0;assume 0 == #race~y~0;#t~ite92 := ~y~0;}EndParallelComposition~y~0 := #t~ite92;havoc #t~nondet93;#race~y~0 := #t~nondet93;assume #race~y~0 == #t~nondet93;havoc #t~ite92;havoc #t~nondet93;~y$flush_delayed~0 := 0;havoc #t~nondet94;#race~y$flush_delayed~0 := #t~nondet94;assume #race~y$flush_delayed~0 == #t~nondet94;havoc #t~nondet94;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:310) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2025-04-16 01:50:13,549 INFO L158 Benchmark]: Toolchain (without parser) took 5869.91ms. Allocated memory was 142.6MB in the beginning and 650.1MB in the end (delta: 507.5MB). Free memory was 98.1MB in the beginning and 357.1MB in the end (delta: -259.0MB). Peak memory consumption was 465.2MB. Max. memory is 8.0GB. [2025-04-16 01:50:13,549 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 155.2MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-16 01:50:13,552 INFO L158 Benchmark]: CACSL2BoogieTranslator took 463.85ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 63.4MB in the end (delta: 34.7MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2025-04-16 01:50:13,553 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.76ms. Allocated memory is still 142.6MB. Free memory was 63.4MB in the beginning and 57.8MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2025-04-16 01:50:13,553 INFO L158 Benchmark]: Boogie Preprocessor took 76.83ms. Allocated memory is still 142.6MB. Free memory was 57.8MB in the beginning and 50.8MB in the end (delta: 6.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-16 01:50:13,553 INFO L158 Benchmark]: RCFGBuilder took 5268.90ms. Allocated memory was 142.6MB in the beginning and 650.1MB in the end (delta: 507.5MB). Free memory was 50.8MB in the beginning and 357.1MB in the end (delta: -306.3MB). Peak memory consumption was 419.0MB. Max. memory is 8.0GB. [2025-04-16 01:50:13,554 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 155.2MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 463.85ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 63.4MB in the end (delta: 34.7MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 56.76ms. Allocated memory is still 142.6MB. Free memory was 63.4MB in the beginning and 57.8MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 76.83ms. Allocated memory is still 142.6MB. Free memory was 57.8MB in the beginning and 50.8MB in the end (delta: 6.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 5268.90ms. Allocated memory was 142.6MB in the beginning and 650.1MB in the end (delta: 507.5MB). Free memory was 50.8MB in the beginning and 357.1MB in the end (delta: -306.3MB). Peak memory consumption was 419.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: BeginParallelComposition{ParallelCodeBlock0: havoc #t~nondet25;assume 0 == #t~nondet25 || 1 == #t~nondet25;~weak$$choice0~0 := (if 0 == #t~nondet25 % 256 then 0 else 1);havoc #t~nondet26;#race~weak$$choice0~0 := #t~nondet26;assume #race~weak$$choice0~0 == #t~nondet26;havoc #t~nondet25;havoc #t~nondet26;havoc #t~nondet27;assume 0 == #t~nondet27 || 1 == #t~nondet27;~weak$$choice2~0 := (if 0 == #t~nondet27 % 256 then 0 else 1);havoc #t~nondet28;#race~weak$$choice2~0 := #t~nondet28;assume #race~weak$$choice2~0 == #t~nondet28;havoc #t~nondet27;havoc #t~nondet28;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;~y$flush_delayed~0 := (if 0 == ~weak$$choice2~0 % 256 then 0 else 1);havoc #t~nondet29;#race~y$flush_delayed~0 := #t~nondet29;assume #race~y$flush_delayed~0 == #t~nondet29;havoc #t~nondet29;#race~y~0 := 0;assume 0 == #race~y~0;~y$mem_tmp~0 := ~y~0;havoc #t~nondet30;#race~y$mem_tmp~0 := #t~nondet30;assume #race~y$mem_tmp~0 == #t~nondet30;havoc #t~nondet30;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short32 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short32;ParallelCodeBlock1: assume !#t~short32;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short31 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short31;ParallelCodeBlock1: assume #t~short31;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short31 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short32 := #t~short31;}EndParallelComposition#t~short34 := #t~short32;BeginParallelComposition{ParallelCodeBlock0: assume #t~short34;ParallelCodeBlock1: assume !#t~short34;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short33 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short33;ParallelCodeBlock1: assume #t~short33;#race~y$r_buff1_thd1~0 := 0;assume 0 == #race~y$r_buff1_thd1~0;#t~short33 := 0 == ~y$r_buff1_thd1~0 % 256;}EndParallelComposition#t~short34 := #t~short33;}EndParallelCompositionassume #t~short34;#race~y~0 := 0;assume 0 == #race~y~0;#t~ite37 := ~y~0;ParallelCodeBlock1: havoc #t~nondet25;assume 0 == #t~nondet25 || 1 == #t~nondet25;~weak$$choice0~0 := (if 0 == #t~nondet25 % 256 then 0 else 1);havoc #t~nondet26;#race~weak$$choice0~0 := #t~nondet26;assume #race~weak$$choice0~0 == #t~nondet26;havoc #t~nondet25;havoc #t~nondet26;havoc #t~nondet27;assume 0 == #t~nondet27 || 1 == #t~nondet27;~weak$$choice2~0 := (if 0 == #t~nondet27 % 256 then 0 else 1);havoc #t~nondet28;#race~weak$$choice2~0 := #t~nondet28;assume #race~weak$$choice2~0 == #t~nondet28;havoc #t~nondet27;havoc #t~nondet28;#race~weak$$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~nondet29;#race~y$flush_delayed~0 := #t~nondet29;assume #race~y$flush_delayed~0 == #t~nondet29;havoc #t~nondet29;#race~y~0 := 0;assume 0 == #race~y~0;~y$mem_tmp~0 := ~y~0;havoc #t~nondet30;#race~y$mem_tmp~0 := #t~nondet30;assume #race~y$mem_tmp~0 == #t~nondet30;havoc #t~nondet30;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short32 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short32;ParallelCodeBlock1: assume !#t~short32;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short31 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short31;ParallelCodeBlock1: assume #t~short31;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short31 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short32 := #t~short31;}EndParallelComposition#t~short34 := #t~short32;BeginParallelComposition{ParallelCodeBlock0: assume #t~short34;ParallelCodeBlock1: assume !#t~short34;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short33 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short33;ParallelCodeBlock1: assume #t~short33;#race~y$r_buff1_thd1~0 := 0;assume 0 == #race~y$r_buff1_thd1~0;#t~short33 := 0 == ~y$r_buff1_thd1~0 % 256;}EndParallelComposition#t~short34 := #t~short33;}EndParallelCompositionassume !#t~short34;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short35 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short35;ParallelCodeBlock1: assume #t~short35;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short35 := 0 != ~y$r_buff0_thd1~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short35;#race~y$w_buff0~0 := 0;assume 0 == #race~y$w_buff0~0;#t~ite36 := ~y$w_buff0~0;ParallelCodeBlock1: assume !#t~short35;#race~y$w_buff1~0 := 0;assume 0 == #race~y$w_buff1~0;#t~ite36 := ~y$w_buff1~0;}EndParallelComposition#t~ite37 := #t~ite36;}EndParallelComposition~y~0 := #t~ite37;havoc #t~nondet38;#race~y~0 := #t~nondet38;assume #race~y~0 == #t~nondet38;havoc #t~short31;havoc #t~short32;havoc #t~short33;havoc #t~short34;havoc #t~ite37;havoc #t~short35;havoc #t~ite36;havoc #t~nondet38;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~weak$$choice2~0 % 256;#race~y$w_buff0~0 := 0;assume 0 == #race~y$w_buff0~0;#t~ite46 := ~y$w_buff0~0;ParallelCodeBlock1: assume !(0 != ~weak$$choice2~0 % 256);#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short40 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short40;ParallelCodeBlock1: assume !#t~short40;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short39 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short39;ParallelCodeBlock1: assume #t~short39;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short39 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short40 := #t~short39;}EndParallelComposition#t~short42 := #t~short40;BeginParallelComposition{ParallelCodeBlock0: assume #t~short42;ParallelCodeBlock1: assume !#t~short42;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short41 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short41;ParallelCodeBlock1: assume #t~short41;#race~y$r_buff1_thd1~0 := 0;assume 0 == #race~y$r_buff1_thd1~0;#t~short41 := 0 == ~y$r_buff1_thd1~0 % 256;}EndParallelComposition#t~short42 := #t~short41;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short42;#race~y$w_buff0~0 := 0;assume 0 == #race~y$w_buff0~0;#t~ite45 := ~y$w_buff0~0;ParallelCodeBlock1: assume !#t~short42;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short43 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short43;ParallelCodeBlock1: assume #t~short43;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short43 := 0 != ~y$r_buff0_thd1~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short43;#race~y$w_buff0~0 := 0;assume 0 == #race~y$w_buff0~0;#t~ite44 := ~y$w_buff0~0;ParallelCodeBlock1: assume !#t~short43;#race~y$w_buff0~0 := 0;assume 0 == #race~y$w_buff0~0;#t~ite44 := ~y$w_buff0~0;}EndParallelComposition#t~ite45 := #t~ite44;}EndParallelComposition#t~ite46 := #t~ite45;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: ~y$w_buff0~0 := #t~ite46;havoc #t~nondet47;#race~y$w_buff0~0 := #t~nondet47;assume #race~y$w_buff0~0 == #t~nondet47;havoc #t~ite46;havoc #t~short39;havoc #t~short40;havoc #t~short41;havoc #t~short42;havoc #t~ite45;havoc #t~short43;havoc #t~ite44;havoc #t~nondet47;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;assume 0 != ~weak$$choice2~0 % 256;#race~y$w_buff1~0 := 0;assume 0 == #race~y$w_buff1~0;#t~ite55 := ~y$w_buff1~0;ParallelCodeBlock1: ~y$w_buff0~0 := #t~ite46;havoc #t~nondet47;#race~y$w_buff0~0 := #t~nondet47;assume #race~y$w_buff0~0 == #t~nondet47;havoc #t~ite46;havoc #t~short39;havoc #t~short40;havoc #t~short41;havoc #t~short42;havoc #t~ite45;havoc #t~short43;havoc #t~ite44;havoc #t~nondet47;#race~weak$$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~short49 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short49;ParallelCodeBlock1: assume !#t~short49;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short48 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short48;ParallelCodeBlock1: assume #t~short48;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short48 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short49 := #t~short48;}EndParallelComposition#t~short51 := #t~short49;BeginParallelComposition{ParallelCodeBlock0: assume #t~short51;ParallelCodeBlock1: assume !#t~short51;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short50 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short50;ParallelCodeBlock1: assume #t~short50;#race~y$r_buff1_thd1~0 := 0;assume 0 == #race~y$r_buff1_thd1~0;#t~short50 := 0 == ~y$r_buff1_thd1~0 % 256;}EndParallelComposition#t~short51 := #t~short50;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short51;#race~y$w_buff1~0 := 0;assume 0 == #race~y$w_buff1~0;#t~ite54 := ~y$w_buff1~0;ParallelCodeBlock1: assume !#t~short51;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short52 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short52;ParallelCodeBlock1: assume #t~short52;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short52 := 0 != ~y$r_buff0_thd1~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short52;#race~y$w_buff1~0 := 0;assume 0 == #race~y$w_buff1~0;#t~ite53 := ~y$w_buff1~0;ParallelCodeBlock1: assume !#t~short52;#race~y$w_buff1~0 := 0;assume 0 == #race~y$w_buff1~0;#t~ite53 := ~y$w_buff1~0;}EndParallelComposition#t~ite54 := #t~ite53;}EndParallelComposition#t~ite55 := #t~ite54;}EndParallelComposition~y$w_buff1~0 := #t~ite55;havoc #t~nondet56;#race~y$w_buff1~0 := #t~nondet56;assume #race~y$w_buff1~0 == #t~nondet56;havoc #t~ite55;havoc #t~short48;havoc #t~short49;havoc #t~short50;havoc #t~short51;havoc #t~ite54;havoc #t~short52;havoc #t~ite53;havoc #t~nondet56;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~weak$$choice2~0 % 256;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~ite64 := ~y$w_buff0_used~0;ParallelCodeBlock1: assume !(0 != ~weak$$choice2~0 % 256);#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short58 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short58;ParallelCodeBlock1: assume !#t~short58;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short57 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short57;ParallelCodeBlock1: assume #t~short57;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short57 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short58 := #t~short57;}EndParallelComposition#t~short60 := #t~short58;BeginParallelComposition{ParallelCodeBlock0: assume #t~short60;ParallelCodeBlock1: assume !#t~short60;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short59 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short59;ParallelCodeBlock1: assume #t~short59;#race~y$r_buff1_thd1~0 := 0;assume 0 == #race~y$r_buff1_thd1~0;#t~short59 := 0 == ~y$r_buff1_thd1~0 % 256;}EndParallelComposition#t~short60 := #t~short59;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short60;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~ite63 := ~y$w_buff0_used~0;ParallelCodeBlock1: assume !#t~short60;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short61 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short61;ParallelCodeBlock1: assume #t~short61;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short61 := 0 != ~y$r_buff0_thd1~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short61;#t~ite62 := 0;ParallelCodeBlock1: assume !#t~short61;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~ite62 := ~y$w_buff0_used~0;}EndParallelComposition#t~ite63 := #t~ite62;}EndParallelComposition#t~ite64 := #t~ite63;}EndParallelComposition~y$w_buff0_used~0 := (if 0 == #t~ite64 % 256 then 0 else 1);havoc #t~nondet65;#race~y$w_buff0_used~0 := #t~nondet65;assume #race~y$w_buff0_used~0 == #t~nondet65;havoc #t~ite64;havoc #t~short57;havoc #t~short58;havoc #t~short59;havoc #t~short60;havoc #t~ite63;havoc #t~short61;havoc #t~ite62;havoc #t~nondet65;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~weak$$choice2~0 % 256;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~ite72 := ~y$w_buff1_used~0;ParallelCodeBlock1: assume !(0 != ~weak$$choice2~0 % 256);#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short67 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short67;ParallelCodeBlock1: assume !#t~short67;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short66 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short66;ParallelCodeBlock1: assume #t~short66;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short66 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short67 := #t~short66;}EndParallelComposition#t~short69 := #t~short67;BeginParallelComposition{ParallelCodeBlock0: assume #t~short69;ParallelCodeBlock1: assume !#t~short69;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short68 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short68;ParallelCodeBlock1: assume #t~short68;#race~y$r_buff1_thd1~0 := 0;assume 0 == #race~y$r_buff1_thd1~0;#t~short68 := 0 == ~y$r_buff1_thd1~0 % 256;}EndParallelComposition#t~short69 := #t~short68;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short69;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~ite71 := ~y$w_buff1_used~0;ParallelCodeBlock1: assume !#t~short69;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short70 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short70;ParallelCodeBlock1: assume #t~short70;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short70 := 0 != ~y$r_buff0_thd1~0 % 256;}EndParallelComposition#t~ite71 := (if #t~short70 then 0 else 0);}EndParallelComposition#t~ite72 := #t~ite71;}EndParallelComposition~y$w_buff1_used~0 := (if 0 == #t~ite72 % 256 then 0 else 1);havoc #t~nondet73;#race~y$w_buff1_used~0 := #t~nondet73;assume #race~y$w_buff1_used~0 == #t~nondet73;havoc #t~ite72;havoc #t~short66;havoc #t~short67;havoc #t~short68;havoc #t~short69;havoc #t~ite71;havoc #t~short70;havoc #t~nondet73;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~weak$$choice2~0 % 256;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~ite81 := ~y$r_buff0_thd1~0;ParallelCodeBlock1: assume !(0 != ~weak$$choice2~0 % 256);#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short75 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short75;ParallelCodeBlock1: assume !#t~short75;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short74 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short74;ParallelCodeBlock1: assume #t~short74;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short74 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short75 := #t~short74;}EndParallelComposition#t~short77 := #t~short75;BeginParallelComposition{ParallelCodeBlock0: assume #t~short77;ParallelCodeBlock1: assume !#t~short77;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short76 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short76;ParallelCodeBlock1: assume #t~short76;#race~y$r_buff1_thd1~0 := 0;assume 0 == #race~y$r_buff1_thd1~0;#t~short76 := 0 == ~y$r_buff1_thd1~0 % 256;}EndParallelComposition#t~short77 := #t~short76;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short77;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~ite80 := ~y$r_buff0_thd1~0;ParallelCodeBlock1: assume !#t~short77;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short78 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short78;ParallelCodeBlock1: assume #t~short78;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short78 := 0 != ~y$r_buff0_thd1~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short78;#t~ite79 := 0;ParallelCodeBlock1: assume !#t~short78;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~ite79 := ~y$r_buff0_thd1~0;}EndParallelComposition#t~ite80 := #t~ite79;}EndParallelComposition#t~ite81 := #t~ite80;}EndParallelComposition~y$r_buff0_thd1~0 := (if 0 == #t~ite81 % 256 then 0 else 1);havoc #t~nondet82;#race~y$r_buff0_thd1~0 := #t~nondet82;assume #race~y$r_buff0_thd1~0 == #t~nondet82;havoc #t~ite81;havoc #t~short74;havoc #t~short75;havoc #t~short76;havoc #t~short77;havoc #t~ite80;havoc #t~short78;havoc #t~ite79;havoc #t~nondet82;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~weak$$choice2~0 % 256;#race~y$r_buff1_thd1~0 := 0;assume 0 == #race~y$r_buff1_thd1~0;#t~ite89 := ~y$r_buff1_thd1~0;ParallelCodeBlock1: assume !(0 != ~weak$$choice2~0 % 256);#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short84 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short84;ParallelCodeBlock1: assume !#t~short84;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short83 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short83;ParallelCodeBlock1: assume #t~short83;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short83 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short84 := #t~short83;}EndParallelComposition#t~short86 := #t~short84;BeginParallelComposition{ParallelCodeBlock0: assume #t~short86;ParallelCodeBlock1: assume !#t~short86;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short85 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short85;ParallelCodeBlock1: assume #t~short85;#race~y$r_buff1_thd1~0 := 0;assume 0 == #race~y$r_buff1_thd1~0;#t~short85 := 0 == ~y$r_buff1_thd1~0 % 256;}EndParallelComposition#t~short86 := #t~short85;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short86;#race~y$r_buff1_thd1~0 := 0;assume 0 == #race~y$r_buff1_thd1~0;#t~ite88 := ~y$r_buff1_thd1~0;ParallelCodeBlock1: assume !#t~short86;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short87 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short87;ParallelCodeBlock1: assume #t~short87;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short87 := 0 != ~y$r_buff0_thd1~0 % 256;}EndParallelComposition#t~ite88 := (if #t~short87 then 0 else 0);}EndParallelComposition#t~ite89 := #t~ite88;}EndParallelComposition~y$r_buff1_thd1~0 := (if 0 == #t~ite89 % 256 then 0 else 1);havoc #t~nondet90;#race~y$r_buff1_thd1~0 := #t~nondet90;assume #race~y$r_buff1_thd1~0 == #t~nondet90;havoc #t~ite89;havoc #t~short83;havoc #t~short84;havoc #t~short85;havoc #t~short86;havoc #t~ite88;havoc #t~short87;havoc #t~nondet90;#race~y~0 := 0;assume 0 == #race~y~0;~__unbuffered_p0_EAX~0 := ~y~0;havoc #t~nondet91;#race~__unbuffered_p0_EAX~0 := #t~nondet91;assume #race~__unbuffered_p0_EAX~0 == #t~nondet91;havoc #t~nondet91;#race~y$flush_delayed~0 := 0;assume 0 == #race~y$flush_delayed~0;BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~y$flush_delayed~0 % 256;#race~y$mem_tmp~0 := 0;assume 0 == #race~y$mem_tmp~0;#t~ite92 := ~y$mem_tmp~0;ParallelCodeBlock1: assume !(0 != ~y$flush_delayed~0 % 256);#race~y~0 := 0;assume 0 == #race~y~0;#t~ite92 := ~y~0;}EndParallelComposition~y~0 := #t~ite92;havoc #t~nondet93;#race~y~0 := #t~nondet93;assume #race~y~0 == #t~nondet93;havoc #t~ite92;havoc #t~nondet93;~y$flush_delayed~0 := 0;havoc #t~nondet94;#race~y$flush_delayed~0 := #t~nondet94;assume #race~y$flush_delayed~0 == #t~nondet94;havoc #t~nondet94;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: BeginParallelComposition{ParallelCodeBlock0: havoc #t~nondet25;assume 0 == #t~nondet25 || 1 == #t~nondet25;~weak$$choice0~0 := (if 0 == #t~nondet25 % 256 then 0 else 1);havoc #t~nondet26;#race~weak$$choice0~0 := #t~nondet26;assume #race~weak$$choice0~0 == #t~nondet26;havoc #t~nondet25;havoc #t~nondet26;havoc #t~nondet27;assume 0 == #t~nondet27 || 1 == #t~nondet27;~weak$$choice2~0 := (if 0 == #t~nondet27 % 256 then 0 else 1);havoc #t~nondet28;#race~weak$$choice2~0 := #t~nondet28;assume #race~weak$$choice2~0 == #t~nondet28;havoc #t~nondet27;havoc #t~nondet28;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;~y$flush_delayed~0 := (if 0 == ~weak$$choice2~0 % 256 then 0 else 1);havoc #t~nondet29;#race~y$flush_delayed~0 := #t~nondet29;assume #race~y$flush_delayed~0 == #t~nondet29;havoc #t~nondet29;#race~y~0 := 0;assume 0 == #race~y~0;~y$mem_tmp~0 := ~y~0;havoc #t~nondet30;#race~y$mem_tmp~0 := #t~nondet30;assume #race~y$mem_tmp~0 == #t~nondet30;havoc #t~nondet30;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short32 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short32;ParallelCodeBlock1: assume !#t~short32;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short31 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short31;ParallelCodeBlock1: assume #t~short31;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short31 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short32 := #t~short31;}EndParallelComposition#t~short34 := #t~short32;BeginParallelComposition{ParallelCodeBlock0: assume #t~short34;ParallelCodeBlock1: assume !#t~short34;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short33 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short33;ParallelCodeBlock1: assume #t~short33;#race~y$r_buff1_thd1~0 := 0;assume 0 == #race~y$r_buff1_thd1~0;#t~short33 := 0 == ~y$r_buff1_thd1~0 % 256;}EndParallelComposition#t~short34 := #t~short33;}EndParallelCompositionassume #t~short34;#race~y~0 := 0;assume 0 == #race~y~0;#t~ite37 := ~y~0;ParallelCodeBlock1: havoc #t~nondet25;assume 0 == #t~nondet25 || 1 == #t~nondet25;~weak$$choice0~0 := (if 0 == #t~nondet25 % 256 then 0 else 1);havoc #t~nondet26;#race~weak$$choice0~0 := #t~nondet26;assume #race~weak$$choice0~0 == #t~nondet26;havoc #t~nondet25;havoc #t~nondet26;havoc #t~nondet27;assume 0 == #t~nondet27 || 1 == #t~nondet27;~weak$$choice2~0 := (if 0 == #t~nondet27 % 256 then 0 else 1);havoc #t~nondet28;#race~weak$$choice2~0 := #t~nondet28;assume #race~weak$$choice2~0 == #t~nondet28;havoc #t~nondet27;havoc #t~nondet28;#race~weak$$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~nondet29;#race~y$flush_delayed~0 := #t~nondet29;assume #race~y$flush_delayed~0 == #t~nondet29;havoc #t~nondet29;#race~y~0 := 0;assume 0 == #race~y~0;~y$mem_tmp~0 := ~y~0;havoc #t~nondet30;#race~y$mem_tmp~0 := #t~nondet30;assume #race~y$mem_tmp~0 == #t~nondet30;havoc #t~nondet30;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short32 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short32;ParallelCodeBlock1: assume !#t~short32;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short31 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short31;ParallelCodeBlock1: assume #t~short31;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short31 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short32 := #t~short31;}EndParallelComposition#t~short34 := #t~short32;BeginParallelComposition{ParallelCodeBlock0: assume #t~short34;ParallelCodeBlock1: assume !#t~short34;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short33 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short33;ParallelCodeBlock1: assume #t~short33;#race~y$r_buff1_thd1~0 := 0;assume 0 == #race~y$r_buff1_thd1~0;#t~short33 := 0 == ~y$r_buff1_thd1~0 % 256;}EndParallelComposition#t~short34 := #t~short33;}EndParallelCompositionassume !#t~short34;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short35 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short35;ParallelCodeBlock1: assume #t~short35;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short35 := 0 != ~y$r_buff0_thd1~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short35;#race~y$w_buff0~0 := 0;assume 0 == #race~y$w_buff0~0;#t~ite36 := ~y$w_buff0~0;ParallelCodeBlock1: assume !#t~short35;#race~y$w_buff1~0 := 0;assume 0 == #race~y$w_buff1~0;#t~ite36 := ~y$w_buff1~0;}EndParallelComposition#t~ite37 := #t~ite36;}EndParallelComposition~y~0 := #t~ite37;havoc #t~nondet38;#race~y~0 := #t~nondet38;assume #race~y~0 == #t~nondet38;havoc #t~short31;havoc #t~short32;havoc #t~short33;havoc #t~short34;havoc #t~ite37;havoc #t~short35;havoc #t~ite36;havoc #t~nondet38;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~weak$$choice2~0 % 256;#race~y$w_buff0~0 := 0;assume 0 == #race~y$w_buff0~0;#t~ite46 := ~y$w_buff0~0;ParallelCodeBlock1: assume !(0 != ~weak$$choice2~0 % 256);#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short40 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short40;ParallelCodeBlock1: assume !#t~short40;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short39 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short39;ParallelCodeBlock1: assume #t~short39;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short39 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short40 := #t~short39;}EndParallelComposition#t~short42 := #t~short40;BeginParallelComposition{ParallelCodeBlock0: assume #t~short42;ParallelCodeBlock1: assume !#t~short42;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short41 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short41;ParallelCodeBlock1: assume #t~short41;#race~y$r_buff1_thd1~0 := 0;assume 0 == #race~y$r_buff1_thd1~0;#t~short41 := 0 == ~y$r_buff1_thd1~0 % 256;}EndParallelComposition#t~short42 := #t~short41;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short42;#race~y$w_buff0~0 := 0;assume 0 == #race~y$w_buff0~0;#t~ite45 := ~y$w_buff0~0;ParallelCodeBlock1: assume !#t~short42;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short43 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short43;ParallelCodeBlock1: assume #t~short43;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short43 := 0 != ~y$r_buff0_thd1~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short43;#race~y$w_buff0~0 := 0;assume 0 == #race~y$w_buff0~0;#t~ite44 := ~y$w_buff0~0;ParallelCodeBlock1: assume !#t~short43;#race~y$w_buff0~0 := 0;assume 0 == #race~y$w_buff0~0;#t~ite44 := ~y$w_buff0~0;}EndParallelComposition#t~ite45 := #t~ite44;}EndParallelComposition#t~ite46 := #t~ite45;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: ~y$w_buff0~0 := #t~ite46;havoc #t~nondet47;#race~y$w_buff0~0 := #t~nondet47;assume #race~y$w_buff0~0 == #t~nondet47;havoc #t~ite46;havoc #t~short39;havoc #t~short40;havoc #t~short41;havoc #t~short42;havoc #t~ite45;havoc #t~short43;havoc #t~ite44;havoc #t~nondet47;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;assume 0 != ~weak$$choice2~0 % 256;#race~y$w_buff1~0 := 0;assume 0 == #race~y$w_buff1~0;#t~ite55 := ~y$w_buff1~0;ParallelCodeBlock1: ~y$w_buff0~0 := #t~ite46;havoc #t~nondet47;#race~y$w_buff0~0 := #t~nondet47;assume #race~y$w_buff0~0 == #t~nondet47;havoc #t~ite46;havoc #t~short39;havoc #t~short40;havoc #t~short41;havoc #t~short42;havoc #t~ite45;havoc #t~short43;havoc #t~ite44;havoc #t~nondet47;#race~weak$$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~short49 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short49;ParallelCodeBlock1: assume !#t~short49;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short48 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short48;ParallelCodeBlock1: assume #t~short48;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short48 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short49 := #t~short48;}EndParallelComposition#t~short51 := #t~short49;BeginParallelComposition{ParallelCodeBlock0: assume #t~short51;ParallelCodeBlock1: assume !#t~short51;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short50 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short50;ParallelCodeBlock1: assume #t~short50;#race~y$r_buff1_thd1~0 := 0;assume 0 == #race~y$r_buff1_thd1~0;#t~short50 := 0 == ~y$r_buff1_thd1~0 % 256;}EndParallelComposition#t~short51 := #t~short50;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short51;#race~y$w_buff1~0 := 0;assume 0 == #race~y$w_buff1~0;#t~ite54 := ~y$w_buff1~0;ParallelCodeBlock1: assume !#t~short51;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short52 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short52;ParallelCodeBlock1: assume #t~short52;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short52 := 0 != ~y$r_buff0_thd1~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short52;#race~y$w_buff1~0 := 0;assume 0 == #race~y$w_buff1~0;#t~ite53 := ~y$w_buff1~0;ParallelCodeBlock1: assume !#t~short52;#race~y$w_buff1~0 := 0;assume 0 == #race~y$w_buff1~0;#t~ite53 := ~y$w_buff1~0;}EndParallelComposition#t~ite54 := #t~ite53;}EndParallelComposition#t~ite55 := #t~ite54;}EndParallelComposition~y$w_buff1~0 := #t~ite55;havoc #t~nondet56;#race~y$w_buff1~0 := #t~nondet56;assume #race~y$w_buff1~0 == #t~nondet56;havoc #t~ite55;havoc #t~short48;havoc #t~short49;havoc #t~short50;havoc #t~short51;havoc #t~ite54;havoc #t~short52;havoc #t~ite53;havoc #t~nondet56;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~weak$$choice2~0 % 256;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~ite64 := ~y$w_buff0_used~0;ParallelCodeBlock1: assume !(0 != ~weak$$choice2~0 % 256);#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short58 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short58;ParallelCodeBlock1: assume !#t~short58;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short57 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short57;ParallelCodeBlock1: assume #t~short57;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short57 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short58 := #t~short57;}EndParallelComposition#t~short60 := #t~short58;BeginParallelComposition{ParallelCodeBlock0: assume #t~short60;ParallelCodeBlock1: assume !#t~short60;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short59 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short59;ParallelCodeBlock1: assume #t~short59;#race~y$r_buff1_thd1~0 := 0;assume 0 == #race~y$r_buff1_thd1~0;#t~short59 := 0 == ~y$r_buff1_thd1~0 % 256;}EndParallelComposition#t~short60 := #t~short59;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short60;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~ite63 := ~y$w_buff0_used~0;ParallelCodeBlock1: assume !#t~short60;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short61 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short61;ParallelCodeBlock1: assume #t~short61;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short61 := 0 != ~y$r_buff0_thd1~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short61;#t~ite62 := 0;ParallelCodeBlock1: assume !#t~short61;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~ite62 := ~y$w_buff0_used~0;}EndParallelComposition#t~ite63 := #t~ite62;}EndParallelComposition#t~ite64 := #t~ite63;}EndParallelComposition~y$w_buff0_used~0 := (if 0 == #t~ite64 % 256 then 0 else 1);havoc #t~nondet65;#race~y$w_buff0_used~0 := #t~nondet65;assume #race~y$w_buff0_used~0 == #t~nondet65;havoc #t~ite64;havoc #t~short57;havoc #t~short58;havoc #t~short59;havoc #t~short60;havoc #t~ite63;havoc #t~short61;havoc #t~ite62;havoc #t~nondet65;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~weak$$choice2~0 % 256;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~ite72 := ~y$w_buff1_used~0;ParallelCodeBlock1: assume !(0 != ~weak$$choice2~0 % 256);#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short67 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short67;ParallelCodeBlock1: assume !#t~short67;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short66 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short66;ParallelCodeBlock1: assume #t~short66;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short66 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short67 := #t~short66;}EndParallelComposition#t~short69 := #t~short67;BeginParallelComposition{ParallelCodeBlock0: assume #t~short69;ParallelCodeBlock1: assume !#t~short69;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short68 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short68;ParallelCodeBlock1: assume #t~short68;#race~y$r_buff1_thd1~0 := 0;assume 0 == #race~y$r_buff1_thd1~0;#t~short68 := 0 == ~y$r_buff1_thd1~0 % 256;}EndParallelComposition#t~short69 := #t~short68;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short69;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~ite71 := ~y$w_buff1_used~0;ParallelCodeBlock1: assume !#t~short69;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short70 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short70;ParallelCodeBlock1: assume #t~short70;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short70 := 0 != ~y$r_buff0_thd1~0 % 256;}EndParallelComposition#t~ite71 := (if #t~short70 then 0 else 0);}EndParallelComposition#t~ite72 := #t~ite71;}EndParallelComposition~y$w_buff1_used~0 := (if 0 == #t~ite72 % 256 then 0 else 1);havoc #t~nondet73;#race~y$w_buff1_used~0 := #t~nondet73;assume #race~y$w_buff1_used~0 == #t~nondet73;havoc #t~ite72;havoc #t~short66;havoc #t~short67;havoc #t~short68;havoc #t~short69;havoc #t~ite71;havoc #t~short70;havoc #t~nondet73;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~weak$$choice2~0 % 256;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~ite81 := ~y$r_buff0_thd1~0;ParallelCodeBlock1: assume !(0 != ~weak$$choice2~0 % 256);#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short75 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short75;ParallelCodeBlock1: assume !#t~short75;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short74 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short74;ParallelCodeBlock1: assume #t~short74;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short74 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short75 := #t~short74;}EndParallelComposition#t~short77 := #t~short75;BeginParallelComposition{ParallelCodeBlock0: assume #t~short77;ParallelCodeBlock1: assume !#t~short77;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short76 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short76;ParallelCodeBlock1: assume #t~short76;#race~y$r_buff1_thd1~0 := 0;assume 0 == #race~y$r_buff1_thd1~0;#t~short76 := 0 == ~y$r_buff1_thd1~0 % 256;}EndParallelComposition#t~short77 := #t~short76;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short77;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~ite80 := ~y$r_buff0_thd1~0;ParallelCodeBlock1: assume !#t~short77;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short78 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short78;ParallelCodeBlock1: assume #t~short78;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short78 := 0 != ~y$r_buff0_thd1~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short78;#t~ite79 := 0;ParallelCodeBlock1: assume !#t~short78;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~ite79 := ~y$r_buff0_thd1~0;}EndParallelComposition#t~ite80 := #t~ite79;}EndParallelComposition#t~ite81 := #t~ite80;}EndParallelComposition~y$r_buff0_thd1~0 := (if 0 == #t~ite81 % 256 then 0 else 1);havoc #t~nondet82;#race~y$r_buff0_thd1~0 := #t~nondet82;assume #race~y$r_buff0_thd1~0 == #t~nondet82;havoc #t~ite81;havoc #t~short74;havoc #t~short75;havoc #t~short76;havoc #t~short77;havoc #t~ite80;havoc #t~short78;havoc #t~ite79;havoc #t~nondet82;#race~weak$$choice2~0 := 0;assume 0 == #race~weak$$choice2~0;BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~weak$$choice2~0 % 256;#race~y$r_buff1_thd1~0 := 0;assume 0 == #race~y$r_buff1_thd1~0;#t~ite89 := ~y$r_buff1_thd1~0;ParallelCodeBlock1: assume !(0 != ~weak$$choice2~0 % 256);#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short84 := 0 == ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume #t~short84;ParallelCodeBlock1: assume !#t~short84;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short83 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short83;ParallelCodeBlock1: assume #t~short83;#race~y$w_buff1_used~0 := 0;assume 0 == #race~y$w_buff1_used~0;#t~short83 := 0 == ~y$w_buff1_used~0 % 256;}EndParallelComposition#t~short84 := #t~short83;}EndParallelComposition#t~short86 := #t~short84;BeginParallelComposition{ParallelCodeBlock0: assume #t~short86;ParallelCodeBlock1: assume !#t~short86;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short85 := 0 == ~y$r_buff0_thd1~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short85;ParallelCodeBlock1: assume #t~short85;#race~y$r_buff1_thd1~0 := 0;assume 0 == #race~y$r_buff1_thd1~0;#t~short85 := 0 == ~y$r_buff1_thd1~0 % 256;}EndParallelComposition#t~short86 := #t~short85;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short86;#race~y$r_buff1_thd1~0 := 0;assume 0 == #race~y$r_buff1_thd1~0;#t~ite88 := ~y$r_buff1_thd1~0;ParallelCodeBlock1: assume !#t~short86;#race~y$w_buff0_used~0 := 0;assume 0 == #race~y$w_buff0_used~0;#t~short87 := 0 != ~y$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short87;ParallelCodeBlock1: assume #t~short87;#race~y$r_buff0_thd1~0 := 0;assume 0 == #race~y$r_buff0_thd1~0;#t~short87 := 0 != ~y$r_buff0_thd1~0 % 256;}EndParallelComposition#t~ite88 := (if #t~short87 then 0 else 0);}EndParallelComposition#t~ite89 := #t~ite88;}EndParallelComposition~y$r_buff1_thd1~0 := (if 0 == #t~ite89 % 256 then 0 else 1);havoc #t~nondet90;#race~y$r_buff1_thd1~0 := #t~nondet90;assume #race~y$r_buff1_thd1~0 == #t~nondet90;havoc #t~ite89;havoc #t~short83;havoc #t~short84;havoc #t~short85;havoc #t~short86;havoc #t~ite88;havoc #t~short87;havoc #t~nondet90;#race~y~0 := 0;assume 0 == #race~y~0;~__unbuffered_p0_EAX~0 := ~y~0;havoc #t~nondet91;#race~__unbuffered_p0_EAX~0 := #t~nondet91;assume #race~__unbuffered_p0_EAX~0 == #t~nondet91;havoc #t~nondet91;#race~y$flush_delayed~0 := 0;assume 0 == #race~y$flush_delayed~0;BeginParallelComposition{ParallelCodeBlock0: assume 0 != ~y$flush_delayed~0 % 256;#race~y$mem_tmp~0 := 0;assume 0 == #race~y$mem_tmp~0;#t~ite92 := ~y$mem_tmp~0;ParallelCodeBlock1: assume !(0 != ~y$flush_delayed~0 % 256);#race~y~0 := 0;assume 0 == #race~y~0;#t~ite92 := ~y~0;}EndParallelComposition~y~0 := #t~ite92;havoc #t~nondet93;#race~y~0 := #t~nondet93;assume #race~y~0 == #t~nondet93;havoc #t~ite92;havoc #t~nondet93;~y$flush_delayed~0 := 0;havoc #t~nondet94;#race~y$flush_delayed~0 := #t~nondet94;assume #race~y$flush_delayed~0 == #t~nondet94;havoc #t~nondet94;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2025-04-16 01:50:13,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...