/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/safe019_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.cfg-lbe-improvements-04aa6ae-m [2025-04-16 04:54:46,508 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-16 04:54:46,561 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 04:54:46,567 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-16 04:54:46,568 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-16 04:54:46,589 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-16 04:54:46,590 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-16 04:54:46,590 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-16 04:54:46,590 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-16 04:54:46,590 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-16 04:54:46,590 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-16 04:54:46,590 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-16 04:54:46,590 INFO L153 SettingsManager]: * Use SBE=true [2025-04-16 04:54:46,591 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-16 04:54:46,591 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-16 04:54:46,591 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-16 04:54:46,591 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-16 04:54:46,591 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-16 04:54:46,591 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-16 04:54:46,591 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-16 04:54:46,591 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-16 04:54:46,591 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-16 04:54:46,591 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-16 04:54:46,591 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-16 04:54:46,591 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-16 04:54:46,591 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-16 04:54:46,591 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-16 04:54:46,591 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-16 04:54:46,591 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-16 04:54:46,591 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-16 04:54:46,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-16 04:54:46,592 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-16 04:54:46,592 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-16 04:54:46,592 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-16 04:54:46,592 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-16 04:54:46,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-16 04:54:46,592 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-16 04:54:46,592 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-16 04:54:46,592 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-16 04:54:46,592 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-16 04:54:46,592 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-16 04:54:46,592 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-16 04:54:46,592 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-16 04:54:46,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-16 04:54:46,592 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-16 04:54:46,593 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-16 04:54:46,593 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-16 04:54:46,593 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 04:54:46,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-16 04:54:46,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-16 04:54:46,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-16 04:54:46,819 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-16 04:54:46,820 INFO L274 PluginConnector]: CDTParser initialized [2025-04-16 04:54:46,821 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe019_power.opt.i [2025-04-16 04:54:48,135 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54b4a3359/87e1161bcce9432eb7909f78a723d2bf/FLAGcda9594dc [2025-04-16 04:54:48,353 INFO L389 CDTParser]: Found 1 translation units. [2025-04-16 04:54:48,354 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_power.opt.i [2025-04-16 04:54:48,365 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54b4a3359/87e1161bcce9432eb7909f78a723d2bf/FLAGcda9594dc [2025-04-16 04:54:49,134 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54b4a3359/87e1161bcce9432eb7909f78a723d2bf [2025-04-16 04:54:49,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-16 04:54:49,139 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-16 04:54:49,139 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-16 04:54:49,140 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-16 04:54:49,143 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-16 04:54:49,143 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 04:54:49" (1/1) ... [2025-04-16 04:54:49,144 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18208657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:54:49, skipping insertion in model container [2025-04-16 04:54:49,144 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 04:54:49" (1/1) ... [2025-04-16 04:54:49,174 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-16 04:54:49,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-16 04:54:49,593 INFO L200 MainTranslator]: Completed pre-run [2025-04-16 04:54:49,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-16 04:54:49,737 INFO L204 MainTranslator]: Completed translation [2025-04-16 04:54:49,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:54:49 WrapperNode [2025-04-16 04:54:49,738 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-16 04:54:49,739 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-16 04:54:49,739 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-16 04:54:49,739 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-16 04:54:49,743 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:54:49" (1/1) ... [2025-04-16 04:54:49,762 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:54:49" (1/1) ... [2025-04-16 04:54:49,789 INFO L138 Inliner]: procedures = 176, calls = 73, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 563 [2025-04-16 04:54:49,789 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-16 04:54:49,791 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-16 04:54:49,791 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-16 04:54:49,791 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-16 04:54:49,796 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:54:49" (1/1) ... [2025-04-16 04:54:49,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:54:49" (1/1) ... [2025-04-16 04:54:49,802 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:54:49" (1/1) ... [2025-04-16 04:54:49,803 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:54:49" (1/1) ... [2025-04-16 04:54:49,830 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:54:49" (1/1) ... [2025-04-16 04:54:49,833 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:54:49" (1/1) ... [2025-04-16 04:54:49,836 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:54:49" (1/1) ... [2025-04-16 04:54:49,838 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:54:49" (1/1) ... [2025-04-16 04:54:49,858 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-16 04:54:49,859 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-04-16 04:54:49,859 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-04-16 04:54:49,859 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-04-16 04:54:49,861 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 04:54:49" (1/1) ... [2025-04-16 04:54:49,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-16 04:54:49,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-16 04:54:49,884 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 04:54:49,889 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 04:54:49,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-16 04:54:49,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-16 04:54:49,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-16 04:54:49,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-16 04:54:49,904 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-04-16 04:54:49,905 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-04-16 04:54:49,905 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-04-16 04:54:49,905 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-04-16 04:54:49,905 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-04-16 04:54:49,905 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-04-16 04:54:49,905 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2025-04-16 04:54:49,905 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2025-04-16 04:54:49,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-16 04:54:49,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-16 04:54:49,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-16 04:54:49,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-16 04:54:49,907 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 04:54:50,093 INFO L256 CfgBuilder]: Building ICFG [2025-04-16 04:54:50,094 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-16 04:54:51,836 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-16 04:54:51,837 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-16 04:54:51,837 INFO L318 CfgBuilder]: Performing block encoding [2025-04-16 04:54:55,834 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: #race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~short90#1 := 0 != ~x$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short90#1;ParallelCodeBlock1: assume #t~short90#1;#race~x$r_buff0_thd2~0 := 0;assume 0 == #race~x$r_buff0_thd2~0;#t~short90#1 := 0 != ~x$r_buff0_thd2~0 % 256;}EndParallelCompositionassume #t~short90#1;#race~x$w_buff0~0 := 0;assume 0 == #race~x$w_buff0~0;#t~ite94#1 := ~x$w_buff0~0;ParallelCodeBlock1: #race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~short90#1 := 0 != ~x$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short90#1;ParallelCodeBlock1: assume #t~short90#1;#race~x$r_buff0_thd2~0 := 0;assume 0 == #race~x$r_buff0_thd2~0;#t~short90#1 := 0 != ~x$r_buff0_thd2~0 % 256;}EndParallelCompositionassume !#t~short90#1;#race~x$w_buff1_used~0 := 0;assume 0 == #race~x$w_buff1_used~0;#t~short91#1 := 0 != ~x$w_buff1_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short91#1;ParallelCodeBlock1: assume #t~short91#1;#race~x$r_buff1_thd2~0 := 0;assume 0 == #race~x$r_buff1_thd2~0;#t~short91#1 := 0 != ~x$r_buff1_thd2~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume !#t~short91#1;call #t~mem92#1 := read~int(~#x~0.base, ~#x~0.offset, 4);#race := #race[~#x~0.base,~#x~0.offset := 0];#race := #race[~#x~0.base,1 + ~#x~0.offset := 0];#race := #race[~#x~0.base,2 + ~#x~0.offset := 0];#race := #race[~#x~0.base,3 + ~#x~0.offset := 0];assume ((0 == #race[~#x~0.base,~#x~0.offset] && 0 == #race[~#x~0.base,1 + ~#x~0.offset]) && 0 == #race[~#x~0.base,2 + ~#x~0.offset]) && 0 == #race[~#x~0.base,3 + ~#x~0.offset];#t~ite93#1 := #t~mem92#1;ParallelCodeBlock1: assume #t~short91#1;#race~x$w_buff1~0 := 0;assume 0 == #race~x$w_buff1~0;#t~ite93#1 := ~x$w_buff1~0;}EndParallelComposition#t~ite94#1 := #t~ite93#1;}EndParallelCompositioncall write~int(#t~ite94#1, ~#x~0.base, ~#x~0.offset, 4);havoc #t~nondet95#1;#race := #race[~#x~0.base,~#x~0.offset := #t~nondet95#1];#race := #race[~#x~0.base,1 + ~#x~0.offset := #t~nondet95#1];#race := #race[~#x~0.base,2 + ~#x~0.offset := #t~nondet95#1];#race := #race[~#x~0.base,3 + ~#x~0.offset := #t~nondet95#1];assume ((#race[~#x~0.base,~#x~0.offset] == #t~nondet95#1 && #race[~#x~0.base,1 + ~#x~0.offset] == #t~nondet95#1) && #race[~#x~0.base,2 + ~#x~0.offset] == #t~nondet95#1) && #race[~#x~0.base,3 + ~#x~0.offset] == #t~nondet95#1;havoc #t~short90#1;havoc #t~ite94#1;havoc #t~short91#1;havoc #t~ite93#1;havoc #t~mem92#1;havoc #t~nondet95#1;#race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~short96#1 := 0 != ~x$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short96#1;ParallelCodeBlock1: assume #t~short96#1;#race~x$r_buff0_thd2~0 := 0;assume 0 == #race~x$r_buff0_thd2~0;#t~short96#1 := 0 != ~x$r_buff0_thd2~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short96#1;#t~ite97#1 := 0;ParallelCodeBlock1: assume !#t~short96#1;#race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~ite97#1 := ~x$w_buff0_used~0;}EndParallelComposition~x$w_buff0_used~0 := (if 0 == #t~ite97#1 % 256 then 0 else 1);havoc #t~nondet98#1;#race~x$w_buff0_used~0 := #t~nondet98#1;assume #race~x$w_buff0_used~0 == #t~nondet98#1;havoc #t~short96#1;havoc #t~ite97#1;havoc #t~nondet98#1;#race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~short99#1 := 0 != ~x$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short99#1;ParallelCodeBlock1: assume #t~short99#1;#race~x$r_buff0_thd2~0 := 0;assume 0 == #race~x$r_buff0_thd2~0;#t~short99#1 := 0 != ~x$r_buff0_thd2~0 % 256;}EndParallelComposition#t~short101#1 := #t~short99#1;BeginParallelComposition{ParallelCodeBlock0: assume #t~short101#1;ParallelCodeBlock1: assume !#t~short101#1;#race~x$w_buff1_used~0 := 0;assume 0 == #race~x$w_buff1_used~0;#t~short100#1 := 0 != ~x$w_buff1_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short100#1;ParallelCodeBlock1: assume #t~short100#1;#race~x$r_buff1_thd2~0 := 0;assume 0 == #race~x$r_buff1_thd2~0;#t~short100#1 := 0 != ~x$r_buff1_thd2~0 % 256;}EndParallelComposition#t~short101#1 := #t~short100#1;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short101#1;#t~ite102#1 := 0;ParallelCodeBlock1: assume !#t~short101#1;#race~x$w_buff1_used~0 := 0;assume 0 == #race~x$w_buff1_used~0;#t~ite102#1 := ~x$w_buff1_used~0;}EndParallelComposition~x$w_buff1_used~0 := (if 0 == #t~ite102#1 % 256 then 0 else 1);havoc #t~nondet103#1;#race~x$w_buff1_used~0 := #t~nondet103#1;assume #race~x$w_buff1_used~0 == #t~nondet103#1;havoc #t~short99#1;havoc #t~short100#1;havoc #t~short101#1;havoc #t~ite102#1;havoc #t~nondet103#1;#race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~short104#1 := 0 != ~x$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short104#1;ParallelCodeBlock1: assume #t~short104#1;#race~x$r_buff0_thd2~0 := 0;assume 0 == #race~x$r_buff0_thd2~0;#t~short104#1 := 0 != ~x$r_buff0_thd2~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short104#1;#t~ite105#1 := 0;ParallelCodeBlock1: assume !#t~short104#1;#race~x$r_buff0_thd2~0 := 0;assume 0 == #race~x$r_buff0_thd2~0;#t~ite105#1 := ~x$r_buff0_thd2~0;}EndParallelComposition~x$r_buff0_thd2~0 := (if 0 == #t~ite105#1 % 256 then 0 else 1);havoc #t~nondet106#1;#race~x$r_buff0_thd2~0 := #t~nondet106#1;assume #race~x$r_buff0_thd2~0 == #t~nondet106#1;havoc #t~short104#1;havoc #t~ite105#1;havoc #t~nondet106#1;#race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~short107#1 := 0 != ~x$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short107#1;ParallelCodeBlock1: assume #t~short107#1;#race~x$r_buff0_thd2~0 := 0;assume 0 == #race~x$r_buff0_thd2~0;#t~short107#1 := 0 != ~x$r_buff0_thd2~0 % 256;}EndParallelComposition#t~short109#1 := #t~short107#1;BeginParallelComposition{ParallelCodeBlock0: assume #t~short109#1;ParallelCodeBlock1: assume !#t~short109#1;#race~x$w_buff1_used~0 := 0;assume 0 == #race~x$w_buff1_used~0;#t~short108#1 := 0 != ~x$w_buff1_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short108#1;ParallelCodeBlock1: assume #t~short108#1;#race~x$r_buff1_thd2~0 := 0;assume 0 == #race~x$r_buff1_thd2~0;#t~short108#1 := 0 != ~x$r_buff1_thd2~0 % 256;}EndParallelComposition#t~short109#1 := #t~short108#1;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short109#1;#t~ite110#1 := 0;ParallelCodeBlock1: assume !#t~short109#1;#race~x$r_buff1_thd2~0 := 0;assume 0 == #race~x$r_buff1_thd2~0;#t~ite110#1 := ~x$r_buff1_thd2~0;}EndParallelComposition~x$r_buff1_thd2~0 := (if 0 == #t~ite110#1 % 256 then 0 else 1);havoc #t~nondet111#1;#race~x$r_buff1_thd2~0 := #t~nondet111#1;assume #race~x$r_buff1_thd2~0 == #t~nondet111#1;havoc #t~short107#1;havoc #t~short108#1;havoc #t~short109#1;havoc #t~ite110#1;havoc #t~nondet111#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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2025-04-16 04:54:55,840 INFO L158 Benchmark]: Toolchain (without parser) took 6700.97ms. Allocated memory was 142.6MB in the beginning and 830.5MB in the end (delta: 687.9MB). Free memory was 101.0MB in the beginning and 408.7MB in the end (delta: -307.7MB). Peak memory consumption was 378.9MB. Max. memory is 8.0GB. [2025-04-16 04:54:55,840 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 159.4MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-16 04:54:55,841 INFO L158 Benchmark]: CACSL2BoogieTranslator took 598.63ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 65.9MB in the end (delta: 34.8MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2025-04-16 04:54:55,841 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.02ms. Allocated memory is still 142.6MB. Free memory was 65.9MB in the beginning and 61.1MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-16 04:54:55,841 INFO L158 Benchmark]: Boogie Preprocessor took 67.29ms. Allocated memory is still 142.6MB. Free memory was 61.1MB in the beginning and 54.6MB in the end (delta: 6.5MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2025-04-16 04:54:55,841 INFO L158 Benchmark]: IcfgBuilder took 5980.07ms. Allocated memory was 142.6MB in the beginning and 830.5MB in the end (delta: 687.9MB). Free memory was 54.6MB in the beginning and 408.7MB in the end (delta: -354.1MB). Peak memory consumption was 337.0MB. Max. memory is 8.0GB. [2025-04-16 04:54:55,843 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 159.4MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 598.63ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 65.9MB in the end (delta: 34.8MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.02ms. Allocated memory is still 142.6MB. Free memory was 65.9MB in the beginning and 61.1MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 67.29ms. Allocated memory is still 142.6MB. Free memory was 61.1MB in the beginning and 54.6MB in the end (delta: 6.5MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * IcfgBuilder took 5980.07ms. Allocated memory was 142.6MB in the beginning and 830.5MB in the end (delta: 687.9MB). Free memory was 54.6MB in the beginning and 408.7MB in the end (delta: -354.1MB). Peak memory consumption was 337.0MB. 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: #race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~short90#1 := 0 != ~x$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short90#1;ParallelCodeBlock1: assume #t~short90#1;#race~x$r_buff0_thd2~0 := 0;assume 0 == #race~x$r_buff0_thd2~0;#t~short90#1 := 0 != ~x$r_buff0_thd2~0 % 256;}EndParallelCompositionassume #t~short90#1;#race~x$w_buff0~0 := 0;assume 0 == #race~x$w_buff0~0;#t~ite94#1 := ~x$w_buff0~0;ParallelCodeBlock1: #race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~short90#1 := 0 != ~x$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short90#1;ParallelCodeBlock1: assume #t~short90#1;#race~x$r_buff0_thd2~0 := 0;assume 0 == #race~x$r_buff0_thd2~0;#t~short90#1 := 0 != ~x$r_buff0_thd2~0 % 256;}EndParallelCompositionassume !#t~short90#1;#race~x$w_buff1_used~0 := 0;assume 0 == #race~x$w_buff1_used~0;#t~short91#1 := 0 != ~x$w_buff1_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short91#1;ParallelCodeBlock1: assume #t~short91#1;#race~x$r_buff1_thd2~0 := 0;assume 0 == #race~x$r_buff1_thd2~0;#t~short91#1 := 0 != ~x$r_buff1_thd2~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume !#t~short91#1;call #t~mem92#1 := read~int(~#x~0.base, ~#x~0.offset, 4);#race := #race[~#x~0.base,~#x~0.offset := 0];#race := #race[~#x~0.base,1 + ~#x~0.offset := 0];#race := #race[~#x~0.base,2 + ~#x~0.offset := 0];#race := #race[~#x~0.base,3 + ~#x~0.offset := 0];assume ((0 == #race[~#x~0.base,~#x~0.offset] && 0 == #race[~#x~0.base,1 + ~#x~0.offset]) && 0 == #race[~#x~0.base,2 + ~#x~0.offset]) && 0 == #race[~#x~0.base,3 + ~#x~0.offset];#t~ite93#1 := #t~mem92#1;ParallelCodeBlock1: assume #t~short91#1;#race~x$w_buff1~0 := 0;assume 0 == #race~x$w_buff1~0;#t~ite93#1 := ~x$w_buff1~0;}EndParallelComposition#t~ite94#1 := #t~ite93#1;}EndParallelCompositioncall write~int(#t~ite94#1, ~#x~0.base, ~#x~0.offset, 4);havoc #t~nondet95#1;#race := #race[~#x~0.base,~#x~0.offset := #t~nondet95#1];#race := #race[~#x~0.base,1 + ~#x~0.offset := #t~nondet95#1];#race := #race[~#x~0.base,2 + ~#x~0.offset := #t~nondet95#1];#race := #race[~#x~0.base,3 + ~#x~0.offset := #t~nondet95#1];assume ((#race[~#x~0.base,~#x~0.offset] == #t~nondet95#1 && #race[~#x~0.base,1 + ~#x~0.offset] == #t~nondet95#1) && #race[~#x~0.base,2 + ~#x~0.offset] == #t~nondet95#1) && #race[~#x~0.base,3 + ~#x~0.offset] == #t~nondet95#1;havoc #t~short90#1;havoc #t~ite94#1;havoc #t~short91#1;havoc #t~ite93#1;havoc #t~mem92#1;havoc #t~nondet95#1;#race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~short96#1 := 0 != ~x$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short96#1;ParallelCodeBlock1: assume #t~short96#1;#race~x$r_buff0_thd2~0 := 0;assume 0 == #race~x$r_buff0_thd2~0;#t~short96#1 := 0 != ~x$r_buff0_thd2~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short96#1;#t~ite97#1 := 0;ParallelCodeBlock1: assume !#t~short96#1;#race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~ite97#1 := ~x$w_buff0_used~0;}EndParallelComposition~x$w_buff0_used~0 := (if 0 == #t~ite97#1 % 256 then 0 else 1);havoc #t~nondet98#1;#race~x$w_buff0_used~0 := #t~nondet98#1;assume #race~x$w_buff0_used~0 == #t~nondet98#1;havoc #t~short96#1;havoc #t~ite97#1;havoc #t~nondet98#1;#race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~short99#1 := 0 != ~x$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short99#1;ParallelCodeBlock1: assume #t~short99#1;#race~x$r_buff0_thd2~0 := 0;assume 0 == #race~x$r_buff0_thd2~0;#t~short99#1 := 0 != ~x$r_buff0_thd2~0 % 256;}EndParallelComposition#t~short101#1 := #t~short99#1;BeginParallelComposition{ParallelCodeBlock0: assume #t~short101#1;ParallelCodeBlock1: assume !#t~short101#1;#race~x$w_buff1_used~0 := 0;assume 0 == #race~x$w_buff1_used~0;#t~short100#1 := 0 != ~x$w_buff1_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short100#1;ParallelCodeBlock1: assume #t~short100#1;#race~x$r_buff1_thd2~0 := 0;assume 0 == #race~x$r_buff1_thd2~0;#t~short100#1 := 0 != ~x$r_buff1_thd2~0 % 256;}EndParallelComposition#t~short101#1 := #t~short100#1;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short101#1;#t~ite102#1 := 0;ParallelCodeBlock1: assume !#t~short101#1;#race~x$w_buff1_used~0 := 0;assume 0 == #race~x$w_buff1_used~0;#t~ite102#1 := ~x$w_buff1_used~0;}EndParallelComposition~x$w_buff1_used~0 := (if 0 == #t~ite102#1 % 256 then 0 else 1);havoc #t~nondet103#1;#race~x$w_buff1_used~0 := #t~nondet103#1;assume #race~x$w_buff1_used~0 == #t~nondet103#1;havoc #t~short99#1;havoc #t~short100#1;havoc #t~short101#1;havoc #t~ite102#1;havoc #t~nondet103#1;#race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~short104#1 := 0 != ~x$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short104#1;ParallelCodeBlock1: assume #t~short104#1;#race~x$r_buff0_thd2~0 := 0;assume 0 == #race~x$r_buff0_thd2~0;#t~short104#1 := 0 != ~x$r_buff0_thd2~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short104#1;#t~ite105#1 := 0;ParallelCodeBlock1: assume !#t~short104#1;#race~x$r_buff0_thd2~0 := 0;assume 0 == #race~x$r_buff0_thd2~0;#t~ite105#1 := ~x$r_buff0_thd2~0;}EndParallelComposition~x$r_buff0_thd2~0 := (if 0 == #t~ite105#1 % 256 then 0 else 1);havoc #t~nondet106#1;#race~x$r_buff0_thd2~0 := #t~nondet106#1;assume #race~x$r_buff0_thd2~0 == #t~nondet106#1;havoc #t~short104#1;havoc #t~ite105#1;havoc #t~nondet106#1;#race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~short107#1 := 0 != ~x$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short107#1;ParallelCodeBlock1: assume #t~short107#1;#race~x$r_buff0_thd2~0 := 0;assume 0 == #race~x$r_buff0_thd2~0;#t~short107#1 := 0 != ~x$r_buff0_thd2~0 % 256;}EndParallelComposition#t~short109#1 := #t~short107#1;BeginParallelComposition{ParallelCodeBlock0: assume #t~short109#1;ParallelCodeBlock1: assume !#t~short109#1;#race~x$w_buff1_used~0 := 0;assume 0 == #race~x$w_buff1_used~0;#t~short108#1 := 0 != ~x$w_buff1_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short108#1;ParallelCodeBlock1: assume #t~short108#1;#race~x$r_buff1_thd2~0 := 0;assume 0 == #race~x$r_buff1_thd2~0;#t~short108#1 := 0 != ~x$r_buff1_thd2~0 % 256;}EndParallelComposition#t~short109#1 := #t~short108#1;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short109#1;#t~ite110#1 := 0;ParallelCodeBlock1: assume !#t~short109#1;#race~x$r_buff1_thd2~0 := 0;assume 0 == #race~x$r_buff1_thd2~0;#t~ite110#1 := ~x$r_buff1_thd2~0;}EndParallelComposition~x$r_buff1_thd2~0 := (if 0 == #t~ite110#1 % 256 then 0 else 1);havoc #t~nondet111#1;#race~x$r_buff1_thd2~0 := #t~nondet111#1;assume #race~x$r_buff1_thd2~0 == #t~nondet111#1;havoc #t~short107#1;havoc #t~short108#1;havoc #t~short109#1;havoc #t~ite110#1;havoc #t~nondet111#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: #race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~short90#1 := 0 != ~x$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short90#1;ParallelCodeBlock1: assume #t~short90#1;#race~x$r_buff0_thd2~0 := 0;assume 0 == #race~x$r_buff0_thd2~0;#t~short90#1 := 0 != ~x$r_buff0_thd2~0 % 256;}EndParallelCompositionassume #t~short90#1;#race~x$w_buff0~0 := 0;assume 0 == #race~x$w_buff0~0;#t~ite94#1 := ~x$w_buff0~0;ParallelCodeBlock1: #race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~short90#1 := 0 != ~x$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short90#1;ParallelCodeBlock1: assume #t~short90#1;#race~x$r_buff0_thd2~0 := 0;assume 0 == #race~x$r_buff0_thd2~0;#t~short90#1 := 0 != ~x$r_buff0_thd2~0 % 256;}EndParallelCompositionassume !#t~short90#1;#race~x$w_buff1_used~0 := 0;assume 0 == #race~x$w_buff1_used~0;#t~short91#1 := 0 != ~x$w_buff1_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short91#1;ParallelCodeBlock1: assume #t~short91#1;#race~x$r_buff1_thd2~0 := 0;assume 0 == #race~x$r_buff1_thd2~0;#t~short91#1 := 0 != ~x$r_buff1_thd2~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume !#t~short91#1;call #t~mem92#1 := read~int(~#x~0.base, ~#x~0.offset, 4);#race := #race[~#x~0.base,~#x~0.offset := 0];#race := #race[~#x~0.base,1 + ~#x~0.offset := 0];#race := #race[~#x~0.base,2 + ~#x~0.offset := 0];#race := #race[~#x~0.base,3 + ~#x~0.offset := 0];assume ((0 == #race[~#x~0.base,~#x~0.offset] && 0 == #race[~#x~0.base,1 + ~#x~0.offset]) && 0 == #race[~#x~0.base,2 + ~#x~0.offset]) && 0 == #race[~#x~0.base,3 + ~#x~0.offset];#t~ite93#1 := #t~mem92#1;ParallelCodeBlock1: assume #t~short91#1;#race~x$w_buff1~0 := 0;assume 0 == #race~x$w_buff1~0;#t~ite93#1 := ~x$w_buff1~0;}EndParallelComposition#t~ite94#1 := #t~ite93#1;}EndParallelCompositioncall write~int(#t~ite94#1, ~#x~0.base, ~#x~0.offset, 4);havoc #t~nondet95#1;#race := #race[~#x~0.base,~#x~0.offset := #t~nondet95#1];#race := #race[~#x~0.base,1 + ~#x~0.offset := #t~nondet95#1];#race := #race[~#x~0.base,2 + ~#x~0.offset := #t~nondet95#1];#race := #race[~#x~0.base,3 + ~#x~0.offset := #t~nondet95#1];assume ((#race[~#x~0.base,~#x~0.offset] == #t~nondet95#1 && #race[~#x~0.base,1 + ~#x~0.offset] == #t~nondet95#1) && #race[~#x~0.base,2 + ~#x~0.offset] == #t~nondet95#1) && #race[~#x~0.base,3 + ~#x~0.offset] == #t~nondet95#1;havoc #t~short90#1;havoc #t~ite94#1;havoc #t~short91#1;havoc #t~ite93#1;havoc #t~mem92#1;havoc #t~nondet95#1;#race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~short96#1 := 0 != ~x$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short96#1;ParallelCodeBlock1: assume #t~short96#1;#race~x$r_buff0_thd2~0 := 0;assume 0 == #race~x$r_buff0_thd2~0;#t~short96#1 := 0 != ~x$r_buff0_thd2~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short96#1;#t~ite97#1 := 0;ParallelCodeBlock1: assume !#t~short96#1;#race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~ite97#1 := ~x$w_buff0_used~0;}EndParallelComposition~x$w_buff0_used~0 := (if 0 == #t~ite97#1 % 256 then 0 else 1);havoc #t~nondet98#1;#race~x$w_buff0_used~0 := #t~nondet98#1;assume #race~x$w_buff0_used~0 == #t~nondet98#1;havoc #t~short96#1;havoc #t~ite97#1;havoc #t~nondet98#1;#race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~short99#1 := 0 != ~x$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short99#1;ParallelCodeBlock1: assume #t~short99#1;#race~x$r_buff0_thd2~0 := 0;assume 0 == #race~x$r_buff0_thd2~0;#t~short99#1 := 0 != ~x$r_buff0_thd2~0 % 256;}EndParallelComposition#t~short101#1 := #t~short99#1;BeginParallelComposition{ParallelCodeBlock0: assume #t~short101#1;ParallelCodeBlock1: assume !#t~short101#1;#race~x$w_buff1_used~0 := 0;assume 0 == #race~x$w_buff1_used~0;#t~short100#1 := 0 != ~x$w_buff1_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short100#1;ParallelCodeBlock1: assume #t~short100#1;#race~x$r_buff1_thd2~0 := 0;assume 0 == #race~x$r_buff1_thd2~0;#t~short100#1 := 0 != ~x$r_buff1_thd2~0 % 256;}EndParallelComposition#t~short101#1 := #t~short100#1;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short101#1;#t~ite102#1 := 0;ParallelCodeBlock1: assume !#t~short101#1;#race~x$w_buff1_used~0 := 0;assume 0 == #race~x$w_buff1_used~0;#t~ite102#1 := ~x$w_buff1_used~0;}EndParallelComposition~x$w_buff1_used~0 := (if 0 == #t~ite102#1 % 256 then 0 else 1);havoc #t~nondet103#1;#race~x$w_buff1_used~0 := #t~nondet103#1;assume #race~x$w_buff1_used~0 == #t~nondet103#1;havoc #t~short99#1;havoc #t~short100#1;havoc #t~short101#1;havoc #t~ite102#1;havoc #t~nondet103#1;#race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~short104#1 := 0 != ~x$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short104#1;ParallelCodeBlock1: assume #t~short104#1;#race~x$r_buff0_thd2~0 := 0;assume 0 == #race~x$r_buff0_thd2~0;#t~short104#1 := 0 != ~x$r_buff0_thd2~0 % 256;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short104#1;#t~ite105#1 := 0;ParallelCodeBlock1: assume !#t~short104#1;#race~x$r_buff0_thd2~0 := 0;assume 0 == #race~x$r_buff0_thd2~0;#t~ite105#1 := ~x$r_buff0_thd2~0;}EndParallelComposition~x$r_buff0_thd2~0 := (if 0 == #t~ite105#1 % 256 then 0 else 1);havoc #t~nondet106#1;#race~x$r_buff0_thd2~0 := #t~nondet106#1;assume #race~x$r_buff0_thd2~0 == #t~nondet106#1;havoc #t~short104#1;havoc #t~ite105#1;havoc #t~nondet106#1;#race~x$w_buff0_used~0 := 0;assume 0 == #race~x$w_buff0_used~0;#t~short107#1 := 0 != ~x$w_buff0_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short107#1;ParallelCodeBlock1: assume #t~short107#1;#race~x$r_buff0_thd2~0 := 0;assume 0 == #race~x$r_buff0_thd2~0;#t~short107#1 := 0 != ~x$r_buff0_thd2~0 % 256;}EndParallelComposition#t~short109#1 := #t~short107#1;BeginParallelComposition{ParallelCodeBlock0: assume #t~short109#1;ParallelCodeBlock1: assume !#t~short109#1;#race~x$w_buff1_used~0 := 0;assume 0 == #race~x$w_buff1_used~0;#t~short108#1 := 0 != ~x$w_buff1_used~0 % 256;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short108#1;ParallelCodeBlock1: assume #t~short108#1;#race~x$r_buff1_thd2~0 := 0;assume 0 == #race~x$r_buff1_thd2~0;#t~short108#1 := 0 != ~x$r_buff1_thd2~0 % 256;}EndParallelComposition#t~short109#1 := #t~short108#1;}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume #t~short109#1;#t~ite110#1 := 0;ParallelCodeBlock1: assume !#t~short109#1;#race~x$r_buff1_thd2~0 := 0;assume 0 == #race~x$r_buff1_thd2~0;#t~ite110#1 := ~x$r_buff1_thd2~0;}EndParallelComposition~x$r_buff1_thd2~0 := (if 0 == #t~ite110#1 % 256 then 0 else 1);havoc #t~nondet111#1;#race~x$r_buff1_thd2~0 := #t~nondet111#1;assume #race~x$r_buff1_thd2~0 == #t~nondet111#1;havoc #t~short107#1;havoc #t~short108#1;havoc #t~short109#1;havoc #t~ite110#1;havoc #t~nondet111#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 04:54:55,857 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...