/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/weaver/popl20-commit-1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.cfg-lbe-improvements-04aa6ae-m [2025-04-16 06:20:51,706 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-16 06:20:51,752 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 06:20:51,760 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-16 06:20:51,762 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-16 06:20:51,786 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-16 06:20:51,786 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-16 06:20:51,786 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-16 06:20:51,787 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-16 06:20:51,787 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-16 06:20:51,787 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-16 06:20:51,787 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-16 06:20:51,787 INFO L153 SettingsManager]: * Use SBE=true [2025-04-16 06:20:51,787 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-16 06:20:51,787 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-16 06:20:51,787 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-16 06:20:51,787 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-16 06:20:51,787 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-16 06:20:51,787 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-16 06:20:51,789 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-16 06:20:51,789 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-16 06:20:51,789 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-16 06:20:51,789 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-16 06:20:51,789 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-16 06:20:51,789 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-16 06:20:51,789 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-16 06:20:51,789 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-16 06:20:51,789 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-16 06:20:51,789 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-16 06:20:51,789 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-16 06:20:51,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-16 06:20:51,790 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-16 06:20:51,790 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-16 06:20:51,790 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-16 06:20:51,790 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-16 06:20:51,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-16 06:20:51,790 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-16 06:20:51,790 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-16 06:20:51,790 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-16 06:20:51,790 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-16 06:20:51,790 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-16 06:20:51,790 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-16 06:20:51,790 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-16 06:20:51,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-16 06:20:51,791 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-16 06:20:51,791 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-16 06:20:51,791 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-16 06:20:51,791 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 06:20:52,018 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-16 06:20:52,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-16 06:20:52,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-16 06:20:52,027 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-16 06:20:52,027 INFO L274 PluginConnector]: CDTParser initialized [2025-04-16 06:20:52,028 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-commit-1.wvr.c [2025-04-16 06:20:53,355 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08e76730f/61d5ac4ee32747c8a115e2c9262e7569/FLAG1ece7b380 [2025-04-16 06:20:53,581 INFO L389 CDTParser]: Found 1 translation units. [2025-04-16 06:20:53,581 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-commit-1.wvr.c [2025-04-16 06:20:53,588 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08e76730f/61d5ac4ee32747c8a115e2c9262e7569/FLAG1ece7b380 [2025-04-16 06:20:54,356 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08e76730f/61d5ac4ee32747c8a115e2c9262e7569 [2025-04-16 06:20:54,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-16 06:20:54,359 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-16 06:20:54,360 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-16 06:20:54,360 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-16 06:20:54,363 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-16 06:20:54,364 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 06:20:54" (1/1) ... [2025-04-16 06:20:54,364 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71909f04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 06:20:54, skipping insertion in model container [2025-04-16 06:20:54,364 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 06:20:54" (1/1) ... [2025-04-16 06:20:54,376 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-16 06:20:54,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-16 06:20:54,596 INFO L200 MainTranslator]: Completed pre-run [2025-04-16 06:20:54,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-16 06:20:54,685 INFO L204 MainTranslator]: Completed translation [2025-04-16 06:20:54,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 06:20:54 WrapperNode [2025-04-16 06:20:54,686 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-16 06:20:54,687 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-16 06:20:54,687 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-16 06:20:54,687 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-16 06:20:54,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 06:20:54" (1/1) ... [2025-04-16 06:20:54,705 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 06:20:54" (1/1) ... [2025-04-16 06:20:54,761 INFO L138 Inliner]: procedures = 24, calls = 54, calls flagged for inlining = 21, calls inlined = 25, statements flattened = 694 [2025-04-16 06:20:54,761 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-16 06:20:54,766 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-16 06:20:54,766 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-16 06:20:54,766 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-16 06:20:54,774 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 06:20:54" (1/1) ... [2025-04-16 06:20:54,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 06:20:54" (1/1) ... [2025-04-16 06:20:54,780 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 06:20:54" (1/1) ... [2025-04-16 06:20:54,781 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 06:20:54" (1/1) ... [2025-04-16 06:20:54,798 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 06:20:54" (1/1) ... [2025-04-16 06:20:54,803 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 06:20:54" (1/1) ... [2025-04-16 06:20:54,804 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 06:20:54" (1/1) ... [2025-04-16 06:20:54,805 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 06:20:54" (1/1) ... [2025-04-16 06:20:54,810 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-16 06:20:54,815 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-04-16 06:20:54,815 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-04-16 06:20:54,815 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-04-16 06:20:54,816 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 06:20:54" (1/1) ... [2025-04-16 06:20:54,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-16 06:20:54,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-16 06:20:54,844 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 06:20:54,849 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 06:20:54,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-16 06:20:54,866 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-16 06:20:54,866 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-16 06:20:54,866 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-16 06:20:54,866 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-16 06:20:54,866 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-16 06:20:54,866 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-16 06:20:54,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-16 06:20:54,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-16 06:20:54,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-16 06:20:54,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-16 06:20:54,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-16 06:20:54,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-16 06:20:54,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-16 06:20:54,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-16 06:20:54,868 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 06:20:54,986 INFO L256 CfgBuilder]: Building ICFG [2025-04-16 06:20:54,988 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-16 06:20:55,854 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-16 06:20:55,855 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-16 06:20:55,855 INFO L318 CfgBuilder]: Performing block encoding [2025-04-16 06:20:56,387 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~node_back~0 := 0;assume 0 == #race~node_back~0;#race~node_front~0 := 0;assume 0 == #race~node_front~0;#t~short25#1 := ~node_back~0 > ~node_front~0;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short25#1;ParallelCodeBlock1: assume #t~short25#1;#race~node_front~0 := 0;assume 0 == #race~node_front~0;#t~short25#1 := ~node_front~0 >= 0;}EndParallelComposition#t~short26#1 := #t~short25#1;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short26#1;ParallelCodeBlock1: assume #t~short26#1;#race~node_front~0 := 0;assume 0 == #race~node_front~0;#race~node_size~0 := 0;assume 0 == #race~node_size~0;#t~short26#1 := ~node_front~0 < ~node_size~0;}EndParallelCompositionassume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if #t~short26#1 then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1;BeginParallelComposition{ParallelCodeBlock0: assume !(0 == assume_abort_if_not_~cond#1);ParallelCodeBlock1: assume 0 == assume_abort_if_not_~cond#1;assume false;}EndParallelCompositionhavoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;havoc #t~short25#1;havoc #t~short26#1;#race~safe~0 := 0;assume 0 == #race~safe~0;#t~short28#1 := 0 != ~safe~0 % 256;assume !#t~short28#1;ParallelCodeBlock1: #race~node_back~0 := 0;assume 0 == #race~node_back~0;#race~node_front~0 := 0;assume 0 == #race~node_front~0;#t~short25#1 := ~node_back~0 > ~node_front~0;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short25#1;ParallelCodeBlock1: assume #t~short25#1;#race~node_front~0 := 0;assume 0 == #race~node_front~0;#t~short25#1 := ~node_front~0 >= 0;}EndParallelComposition#t~short26#1 := #t~short25#1;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short26#1;ParallelCodeBlock1: assume #t~short26#1;#race~node_front~0 := 0;assume 0 == #race~node_front~0;#race~node_size~0 := 0;assume 0 == #race~node_size~0;#t~short26#1 := ~node_front~0 < ~node_size~0;}EndParallelCompositionassume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if #t~short26#1 then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1;BeginParallelComposition{ParallelCodeBlock0: assume !(0 == assume_abort_if_not_~cond#1);ParallelCodeBlock1: assume 0 == assume_abort_if_not_~cond#1;assume false;}EndParallelCompositionhavoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;havoc #t~short25#1;havoc #t~short26#1;#race~safe~0 := 0;assume 0 == #race~safe~0;#t~short28#1 := 0 != ~safe~0 % 256;assume #t~short28#1;#race~node~0 := 0;assume 0 == #race~node~0;#race~node_front~0 := 0;assume 0 == #race~node_front~0;call #t~mem27#1 := read~int(~node~0.base, ~node~0.offset + 4 * ~node_front~0, 4);#race := #race[~node~0.base,~node~0.offset + 4 * ~node_front~0 := 0];#race := #race[~node~0.base,1 + (~node~0.offset + 4 * ~node_front~0) := 0];#race := #race[~node~0.base,2 + (~node~0.offset + 4 * ~node_front~0) := 0];#race := #race[~node~0.base,3 + (~node~0.offset + 4 * ~node_front~0) := 0];assume ((0 == #race[~node~0.base,~node~0.offset + 4 * ~node_front~0] && 0 == #race[~node~0.base,1 + (~node~0.offset + 4 * ~node_front~0)]) && 0 == #race[~node~0.base,2 + (~node~0.offset + 4 * ~node_front~0)]) && 0 == #race[~node~0.base,3 + (~node~0.offset + 4 * ~node_front~0)];#race~update~0 := 0;assume 0 == #race~update~0;#t~short28#1 := #t~mem27#1 == ~update~0;}EndParallelComposition~safe~0 := (if 0 == (if #t~short28#1 then 1 else 0) then 0 else 1);havoc #t~nondet29#1;#race~safe~0 := #t~nondet29#1;assume #race~safe~0 == #t~nondet29#1;havoc #t~mem27#1;havoc #t~short28#1;havoc #t~nondet29#1;#race~node_front~0 := 0;assume 0 == #race~node_front~0;#t~post30#1 := ~node_front~0;~node_front~0 := 1 + #t~post30#1;havoc #t~nondet31#1;#race~node_front~0 := #t~nondet31#1;assume #race~node_front~0 == #t~nondet31#1;havoc #t~post30#1;havoc #t~nondet31#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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2025-04-16 06:20:56,392 INFO L158 Benchmark]: Toolchain (without parser) took 2032.03ms. Allocated memory is still 155.2MB. Free memory was 107.3MB in the beginning and 41.8MB in the end (delta: 65.5MB). Peak memory consumption was 92.7MB. Max. memory is 8.0GB. [2025-04-16 06:20:56,392 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 155.2MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-16 06:20:56,392 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.39ms. Allocated memory is still 155.2MB. Free memory was 107.3MB in the beginning and 89.4MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2025-04-16 06:20:56,392 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.15ms. Allocated memory is still 155.2MB. Free memory was 89.4MB in the beginning and 85.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-16 06:20:56,394 INFO L158 Benchmark]: Boogie Preprocessor took 44.64ms. Allocated memory is still 155.2MB. Free memory was 85.2MB in the beginning and 81.6MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-16 06:20:56,396 INFO L158 Benchmark]: IcfgBuilder took 1575.78ms. Allocated memory is still 155.2MB. Free memory was 81.6MB in the beginning and 41.8MB in the end (delta: 39.8MB). Peak memory consumption was 67.6MB. Max. memory is 8.0GB. [2025-04-16 06:20:56,397 INFO L338 ainManager$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 155.2MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 326.39ms. Allocated memory is still 155.2MB. Free memory was 107.3MB in the beginning and 89.4MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 74.15ms. Allocated memory is still 155.2MB. Free memory was 89.4MB in the beginning and 85.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 44.64ms. Allocated memory is still 155.2MB. Free memory was 85.2MB in the beginning and 81.6MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * IcfgBuilder took 1575.78ms. Allocated memory is still 155.2MB. Free memory was 81.6MB in the beginning and 41.8MB in the end (delta: 39.8MB). Peak memory consumption was 67.6MB. 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~node_back~0 := 0;assume 0 == #race~node_back~0;#race~node_front~0 := 0;assume 0 == #race~node_front~0;#t~short25#1 := ~node_back~0 > ~node_front~0;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short25#1;ParallelCodeBlock1: assume #t~short25#1;#race~node_front~0 := 0;assume 0 == #race~node_front~0;#t~short25#1 := ~node_front~0 >= 0;}EndParallelComposition#t~short26#1 := #t~short25#1;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short26#1;ParallelCodeBlock1: assume #t~short26#1;#race~node_front~0 := 0;assume 0 == #race~node_front~0;#race~node_size~0 := 0;assume 0 == #race~node_size~0;#t~short26#1 := ~node_front~0 < ~node_size~0;}EndParallelCompositionassume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if #t~short26#1 then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1;BeginParallelComposition{ParallelCodeBlock0: assume !(0 == assume_abort_if_not_~cond#1);ParallelCodeBlock1: assume 0 == assume_abort_if_not_~cond#1;assume false;}EndParallelCompositionhavoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;havoc #t~short25#1;havoc #t~short26#1;#race~safe~0 := 0;assume 0 == #race~safe~0;#t~short28#1 := 0 != ~safe~0 % 256;assume !#t~short28#1;ParallelCodeBlock1: #race~node_back~0 := 0;assume 0 == #race~node_back~0;#race~node_front~0 := 0;assume 0 == #race~node_front~0;#t~short25#1 := ~node_back~0 > ~node_front~0;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short25#1;ParallelCodeBlock1: assume #t~short25#1;#race~node_front~0 := 0;assume 0 == #race~node_front~0;#t~short25#1 := ~node_front~0 >= 0;}EndParallelComposition#t~short26#1 := #t~short25#1;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short26#1;ParallelCodeBlock1: assume #t~short26#1;#race~node_front~0 := 0;assume 0 == #race~node_front~0;#race~node_size~0 := 0;assume 0 == #race~node_size~0;#t~short26#1 := ~node_front~0 < ~node_size~0;}EndParallelCompositionassume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if #t~short26#1 then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1;BeginParallelComposition{ParallelCodeBlock0: assume !(0 == assume_abort_if_not_~cond#1);ParallelCodeBlock1: assume 0 == assume_abort_if_not_~cond#1;assume false;}EndParallelCompositionhavoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;havoc #t~short25#1;havoc #t~short26#1;#race~safe~0 := 0;assume 0 == #race~safe~0;#t~short28#1 := 0 != ~safe~0 % 256;assume #t~short28#1;#race~node~0 := 0;assume 0 == #race~node~0;#race~node_front~0 := 0;assume 0 == #race~node_front~0;call #t~mem27#1 := read~int(~node~0.base, ~node~0.offset + 4 * ~node_front~0, 4);#race := #race[~node~0.base,~node~0.offset + 4 * ~node_front~0 := 0];#race := #race[~node~0.base,1 + (~node~0.offset + 4 * ~node_front~0) := 0];#race := #race[~node~0.base,2 + (~node~0.offset + 4 * ~node_front~0) := 0];#race := #race[~node~0.base,3 + (~node~0.offset + 4 * ~node_front~0) := 0];assume ((0 == #race[~node~0.base,~node~0.offset + 4 * ~node_front~0] && 0 == #race[~node~0.base,1 + (~node~0.offset + 4 * ~node_front~0)]) && 0 == #race[~node~0.base,2 + (~node~0.offset + 4 * ~node_front~0)]) && 0 == #race[~node~0.base,3 + (~node~0.offset + 4 * ~node_front~0)];#race~update~0 := 0;assume 0 == #race~update~0;#t~short28#1 := #t~mem27#1 == ~update~0;}EndParallelComposition~safe~0 := (if 0 == (if #t~short28#1 then 1 else 0) then 0 else 1);havoc #t~nondet29#1;#race~safe~0 := #t~nondet29#1;assume #race~safe~0 == #t~nondet29#1;havoc #t~mem27#1;havoc #t~short28#1;havoc #t~nondet29#1;#race~node_front~0 := 0;assume 0 == #race~node_front~0;#t~post30#1 := ~node_front~0;~node_front~0 := 1 + #t~post30#1;havoc #t~nondet31#1;#race~node_front~0 := #t~nondet31#1;assume #race~node_front~0 == #t~nondet31#1;havoc #t~post30#1;havoc #t~nondet31#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~node_back~0 := 0;assume 0 == #race~node_back~0;#race~node_front~0 := 0;assume 0 == #race~node_front~0;#t~short25#1 := ~node_back~0 > ~node_front~0;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short25#1;ParallelCodeBlock1: assume #t~short25#1;#race~node_front~0 := 0;assume 0 == #race~node_front~0;#t~short25#1 := ~node_front~0 >= 0;}EndParallelComposition#t~short26#1 := #t~short25#1;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short26#1;ParallelCodeBlock1: assume #t~short26#1;#race~node_front~0 := 0;assume 0 == #race~node_front~0;#race~node_size~0 := 0;assume 0 == #race~node_size~0;#t~short26#1 := ~node_front~0 < ~node_size~0;}EndParallelCompositionassume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if #t~short26#1 then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1;BeginParallelComposition{ParallelCodeBlock0: assume !(0 == assume_abort_if_not_~cond#1);ParallelCodeBlock1: assume 0 == assume_abort_if_not_~cond#1;assume false;}EndParallelCompositionhavoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;havoc #t~short25#1;havoc #t~short26#1;#race~safe~0 := 0;assume 0 == #race~safe~0;#t~short28#1 := 0 != ~safe~0 % 256;assume !#t~short28#1;ParallelCodeBlock1: #race~node_back~0 := 0;assume 0 == #race~node_back~0;#race~node_front~0 := 0;assume 0 == #race~node_front~0;#t~short25#1 := ~node_back~0 > ~node_front~0;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short25#1;ParallelCodeBlock1: assume #t~short25#1;#race~node_front~0 := 0;assume 0 == #race~node_front~0;#t~short25#1 := ~node_front~0 >= 0;}EndParallelComposition#t~short26#1 := #t~short25#1;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short26#1;ParallelCodeBlock1: assume #t~short26#1;#race~node_front~0 := 0;assume 0 == #race~node_front~0;#race~node_size~0 := 0;assume 0 == #race~node_size~0;#t~short26#1 := ~node_front~0 < ~node_size~0;}EndParallelCompositionassume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if #t~short26#1 then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1;BeginParallelComposition{ParallelCodeBlock0: assume !(0 == assume_abort_if_not_~cond#1);ParallelCodeBlock1: assume 0 == assume_abort_if_not_~cond#1;assume false;}EndParallelCompositionhavoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;havoc #t~short25#1;havoc #t~short26#1;#race~safe~0 := 0;assume 0 == #race~safe~0;#t~short28#1 := 0 != ~safe~0 % 256;assume #t~short28#1;#race~node~0 := 0;assume 0 == #race~node~0;#race~node_front~0 := 0;assume 0 == #race~node_front~0;call #t~mem27#1 := read~int(~node~0.base, ~node~0.offset + 4 * ~node_front~0, 4);#race := #race[~node~0.base,~node~0.offset + 4 * ~node_front~0 := 0];#race := #race[~node~0.base,1 + (~node~0.offset + 4 * ~node_front~0) := 0];#race := #race[~node~0.base,2 + (~node~0.offset + 4 * ~node_front~0) := 0];#race := #race[~node~0.base,3 + (~node~0.offset + 4 * ~node_front~0) := 0];assume ((0 == #race[~node~0.base,~node~0.offset + 4 * ~node_front~0] && 0 == #race[~node~0.base,1 + (~node~0.offset + 4 * ~node_front~0)]) && 0 == #race[~node~0.base,2 + (~node~0.offset + 4 * ~node_front~0)]) && 0 == #race[~node~0.base,3 + (~node~0.offset + 4 * ~node_front~0)];#race~update~0 := 0;assume 0 == #race~update~0;#t~short28#1 := #t~mem27#1 == ~update~0;}EndParallelComposition~safe~0 := (if 0 == (if #t~short28#1 then 1 else 0) then 0 else 1);havoc #t~nondet29#1;#race~safe~0 := #t~nondet29#1;assume #race~safe~0 == #t~nondet29#1;havoc #t~mem27#1;havoc #t~short28#1;havoc #t~nondet29#1;#race~node_front~0 := 0;assume 0 == #race~node_front~0;#t~post30#1 := ~node_front~0;~node_front~0 := 1 + #t~post30#1;havoc #t~nondet31#1;#race~node_front~0 := #t~nondet31#1;assume #race~node_front~0 == #t~nondet31#1;havoc #t~post30#1;havoc #t~nondet31#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 06:20:56,411 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...