./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i --full-output --preprocessor.use.memory.slicer true --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version d2ba6107
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 --preprocessor.use.memory.slicer true
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-d2ba610-m
[2023-11-21 17:44:33,672 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-21 17:44:33,738 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2023-11-21 17:44:33,743 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-21 17:44:33,744 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-21 17:44:33,780 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-21 17:44:33,781 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-21 17:44:33,781 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-21 17:44:33,782 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-21 17:44:33,785 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-21 17:44:33,786 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-21 17:44:33,786 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-21 17:44:33,787 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-21 17:44:33,788 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-21 17:44:33,788 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-21 17:44:33,789 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-21 17:44:33,789 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-21 17:44:33,789 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-21 17:44:33,789 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-21 17:44:33,790 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-21 17:44:33,790 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-21 17:44:33,790 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-21 17:44:33,790 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-21 17:44:33,791 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-21 17:44:33,791 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-21 17:44:33,792 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-21 17:44:33,792 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-21 17:44:33,792 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2023-11-21 17:44:33,792 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-21 17:44:33,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-21 17:44:33,794 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-21 17:44:33,794 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-21 17:44:33,794 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-21 17:44:33,794 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-21 17:44:33,794 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP
[2023-11-21 17:44:33,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-21 17:44:33,795 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-21 17:44:33,795 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2023-11-21 17:44:33,795 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-21 17:44:33,795 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2023-11-21 17:44:33,795 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2023-11-21 17:44:33,796 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171
Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> true
[2023-11-21 17:44:34,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-21 17:44:34,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-21 17:44:34,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-21 17:44:34,092 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-21 17:44:34,093 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-21 17:44:34,094 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i
[2023-11-21 17:44:35,350 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-21 17:44:35,597 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-21 17:44:35,598 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i
[2023-11-21 17:44:35,610 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9049d1a66/b8f7ba9d0c144282895b2ad1b3e8a54e/FLAGc50edfc6b
[2023-11-21 17:44:35,623 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9049d1a66/b8f7ba9d0c144282895b2ad1b3e8a54e
[2023-11-21 17:44:35,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-21 17:44:35,627 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-21 17:44:35,628 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-21 17:44:35,628 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-21 17:44:35,632 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-21 17:44:35,633 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:44:35" (1/1) ...
[2023-11-21 17:44:35,634 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20d46803 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:35, skipping insertion in model container
[2023-11-21 17:44:35,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:44:35" (1/1) ...
[2023-11-21 17:44:35,734 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-21 17:44:35,940 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16
[2023-11-21 17:44:36,084 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i[30893,30906]
[2023-11-21 17:44:36,094 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-21 17:44:36,106 INFO L202 MainTranslator]: Completed pre-run
[2023-11-21 17:44:36,125 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16
[2023-11-21 17:44:36,141 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i[30893,30906]
[2023-11-21 17:44:36,143 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-21 17:44:36,169 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler.
[2023-11-21 17:44:36,169 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler.
[2023-11-21 17:44:36,170 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler.
[2023-11-21 17:44:36,177 INFO L206 MainTranslator]: Completed translation
[2023-11-21 17:44:36,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:36 WrapperNode
[2023-11-21 17:44:36,178 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-21 17:44:36,179 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-21 17:44:36,180 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-21 17:44:36,180 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-21 17:44:36,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:36" (1/1) ...
[2023-11-21 17:44:36,206 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:36" (1/1) ...
[2023-11-21 17:44:36,233 INFO L138 Inliner]: procedures = 173, calls = 24, calls flagged for inlining = 5, calls inlined = 7, statements flattened = 108
[2023-11-21 17:44:36,234 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-21 17:44:36,234 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-21 17:44:36,234 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-21 17:44:36,234 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-21 17:44:36,246 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:36" (1/1) ...
[2023-11-21 17:44:36,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:36" (1/1) ...
[2023-11-21 17:44:36,249 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:36" (1/1) ...
[2023-11-21 17:44:36,260 INFO L193 HeapSplitter]: Split 7 memory accesses to 4 slices as follows [2, 2, 1, 2]
[2023-11-21 17:44:36,263 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:36" (1/1) ...
[2023-11-21 17:44:36,264 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:36" (1/1) ...
[2023-11-21 17:44:36,268 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:36" (1/1) ...
[2023-11-21 17:44:36,279 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:36" (1/1) ...
[2023-11-21 17:44:36,281 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:36" (1/1) ...
[2023-11-21 17:44:36,282 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:36" (1/1) ...
[2023-11-21 17:44:36,291 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-21 17:44:36,292 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-21 17:44:36,292 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-21 17:44:36,292 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-21 17:44:36,293 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:36" (1/1) ...
[2023-11-21 17:44:36,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-21 17:44:36,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2023-11-21 17:44:36,330 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-21 17:44:36,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-21 17:44:36,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2023-11-21 17:44:36,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2023-11-21 17:44:36,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2
[2023-11-21 17:44:36,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3
[2023-11-21 17:44:36,382 INFO L130 BoogieDeclarations]: Found specification of procedure thr1
[2023-11-21 17:44:36,382 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1
[2023-11-21 17:44:36,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2023-11-21 17:44:36,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2023-11-21 17:44:36,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2023-11-21 17:44:36,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3
[2023-11-21 17:44:36,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2023-11-21 17:44:36,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-21 17:44:36,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-21 17:44:36,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-21 17:44:36,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-11-21 17:44:36,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2023-11-21 17:44:36,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2023-11-21 17:44:36,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3
[2023-11-21 17:44:36,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2023-11-21 17:44:36,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-21 17:44:36,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-21 17:44:36,389 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2023-11-21 17:44:36,531 INFO L240 CfgBuilder]: Building ICFG
[2023-11-21 17:44:36,533 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-21 17:44:36,696 INFO L281 CfgBuilder]: Performing block encoding
[2023-11-21 17:44:36,837 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: ). Is there illegal control flow (e.g. loops) within an atomic block?
at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:355)
at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:324)
at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:295)
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)
[2023-11-21 17:44:36,849 INFO L158 Benchmark]: Toolchain (without parser) took 1221.01ms. Allocated memory is still 157.3MB. Free memory was 86.2MB in the beginning and 79.0MB in the end (delta: 7.2MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB.
[2023-11-21 17:44:36,850 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 96.5MB. Free memory is still 58.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-21 17:44:36,850 INFO L158 Benchmark]: CACSL2BoogieTranslator took 550.29ms. Allocated memory is still 157.3MB. Free memory was 86.1MB in the beginning and 112.0MB in the end (delta: -26.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-21 17:44:36,851 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.87ms. Allocated memory is still 157.3MB. Free memory was 112.0MB in the beginning and 109.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-21 17:44:36,852 INFO L158 Benchmark]: Boogie Preprocessor took 57.23ms. Allocated memory is still 157.3MB. Free memory was 109.9MB in the beginning and 107.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-21 17:44:36,853 INFO L158 Benchmark]: RCFGBuilder took 554.86ms. Allocated memory is still 157.3MB. Free memory was 107.8MB in the beginning and 79.0MB in the end (delta: 28.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB.
[2023-11-21 17:44:36,855 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.16ms. Allocated memory is still 96.5MB. Free memory is still 58.0MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 550.29ms. Allocated memory is still 157.3MB. Free memory was 86.1MB in the beginning and 112.0MB in the end (delta: -26.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 54.87ms. Allocated memory is still 157.3MB. Free memory was 112.0MB in the beginning and 109.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 57.23ms. Allocated memory is still 157.3MB. Free memory was 109.9MB in the beginning and 107.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 554.86ms. Allocated memory is still 157.3MB. Free memory was 107.8MB in the beginning and 79.0MB in the end (delta: 28.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder:
- ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). 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: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:355)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2023-11-21 17:44:36,885 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 --preprocessor.use.memory.slicer true
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-d2ba610-m
[2023-11-21 17:44:39,024 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-21 17:44:39,116 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf
[2023-11-21 17:44:39,121 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-21 17:44:39,122 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-21 17:44:39,154 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-21 17:44:39,154 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-21 17:44:39,155 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-21 17:44:39,156 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-21 17:44:39,160 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-21 17:44:39,160 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-21 17:44:39,161 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-21 17:44:39,161 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-21 17:44:39,162 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-21 17:44:39,163 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-21 17:44:39,163 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-21 17:44:39,163 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-21 17:44:39,163 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-21 17:44:39,164 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-21 17:44:39,164 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-21 17:44:39,164 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-21 17:44:39,165 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2023-11-21 17:44:39,165 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2023-11-21 17:44:39,166 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-21 17:44:39,166 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-21 17:44:39,166 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-21 17:44:39,167 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-21 17:44:39,167 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-21 17:44:39,167 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2023-11-21 17:44:39,168 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-21 17:44:39,169 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-21 17:44:39,169 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-21 17:44:39,169 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-21 17:44:39,170 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-21 17:44:39,170 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2023-11-21 17:44:39,170 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP
[2023-11-21 17:44:39,170 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-11-21 17:44:39,171 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-21 17:44:39,171 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2023-11-21 17:44:39,172 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-21 17:44:39,172 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2023-11-21 17:44:39,172 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2023-11-21 17:44:39,172 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-21 17:44:39,173 INFO L153 SettingsManager]: * Logic for external solver=AUFBV
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171
Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> true
[2023-11-21 17:44:39,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-21 17:44:39,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-21 17:44:39,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-21 17:44:39,550 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-21 17:44:39,550 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-21 17:44:39,552 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i
[2023-11-21 17:44:40,880 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-21 17:44:41,128 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-21 17:44:41,129 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i
[2023-11-21 17:44:41,149 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c736072d3/621f6da6a563496d9238f3a6584916c7/FLAG6fbde2172
[2023-11-21 17:44:41,163 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c736072d3/621f6da6a563496d9238f3a6584916c7
[2023-11-21 17:44:41,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-21 17:44:41,166 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-21 17:44:41,168 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-21 17:44:41,168 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-21 17:44:41,173 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-21 17:44:41,174 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:44:41" (1/1) ...
[2023-11-21 17:44:41,174 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23c409b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:41, skipping insertion in model container
[2023-11-21 17:44:41,175 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:44:41" (1/1) ...
[2023-11-21 17:44:41,232 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-21 17:44:41,432 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16
[2023-11-21 17:44:41,572 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i[30893,30906]
[2023-11-21 17:44:41,583 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-21 17:44:41,595 INFO L202 MainTranslator]: Completed pre-run
[2023-11-21 17:44:41,611 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16
[2023-11-21 17:44:41,628 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i[30893,30906]
[2023-11-21 17:44:41,630 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-21 17:44:41,664 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler.
[2023-11-21 17:44:41,665 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler.
[2023-11-21 17:44:41,665 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler.
[2023-11-21 17:44:41,672 INFO L206 MainTranslator]: Completed translation
[2023-11-21 17:44:41,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:41 WrapperNode
[2023-11-21 17:44:41,673 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-21 17:44:41,674 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-21 17:44:41,674 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-21 17:44:41,674 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-21 17:44:41,680 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:41" (1/1) ...
[2023-11-21 17:44:41,713 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:41" (1/1) ...
[2023-11-21 17:44:41,738 INFO L138 Inliner]: procedures = 176, calls = 24, calls flagged for inlining = 5, calls inlined = 7, statements flattened = 108
[2023-11-21 17:44:41,738 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-21 17:44:41,739 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-21 17:44:41,739 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-21 17:44:41,739 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-21 17:44:41,748 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:41" (1/1) ...
[2023-11-21 17:44:41,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:41" (1/1) ...
[2023-11-21 17:44:41,760 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:41" (1/1) ...
[2023-11-21 17:44:41,783 INFO L193 HeapSplitter]: Split 7 memory accesses to 4 slices as follows [2, 2, 2, 1]
[2023-11-21 17:44:41,783 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:41" (1/1) ...
[2023-11-21 17:44:41,783 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:41" (1/1) ...
[2023-11-21 17:44:41,789 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:41" (1/1) ...
[2023-11-21 17:44:41,792 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:41" (1/1) ...
[2023-11-21 17:44:41,794 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:41" (1/1) ...
[2023-11-21 17:44:41,795 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:41" (1/1) ...
[2023-11-21 17:44:41,799 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-21 17:44:41,803 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-21 17:44:41,803 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-21 17:44:41,803 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-21 17:44:41,804 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:44:41" (1/1) ...
[2023-11-21 17:44:41,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-21 17:44:41,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2023-11-21 17:44:41,840 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-21 17:44:41,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-21 17:44:41,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2023-11-21 17:44:41,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1
[2023-11-21 17:44:41,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2
[2023-11-21 17:44:41,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3
[2023-11-21 17:44:41,887 INFO L130 BoogieDeclarations]: Found specification of procedure thr1
[2023-11-21 17:44:41,887 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1
[2023-11-21 17:44:41,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2023-11-21 17:44:41,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-21 17:44:41,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-21 17:44:41,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-21 17:44:41,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0
[2023-11-21 17:44:41,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1
[2023-11-21 17:44:41,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2
[2023-11-21 17:44:41,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3
[2023-11-21 17:44:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-11-21 17:44:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2023-11-21 17:44:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2
[2023-11-21 17:44:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3
[2023-11-21 17:44:41,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2023-11-21 17:44:41,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-21 17:44:41,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-21 17:44:41,893 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2023-11-21 17:44:42,068 INFO L240 CfgBuilder]: Building ICFG
[2023-11-21 17:44:42,071 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-21 17:44:42,294 INFO L281 CfgBuilder]: Performing block encoding
[2023-11-21 17:44:42,469 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: ). Is there illegal control flow (e.g. loops) within an atomic block?
at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:355)
at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:324)
at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:295)
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)
[2023-11-21 17:44:42,475 INFO L158 Benchmark]: Toolchain (without parser) took 1308.03ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 32.1MB in the beginning and 43.6MB in the end (delta: -11.5MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB.
[2023-11-21 17:44:42,476 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 58.7MB. Free memory was 33.9MB in the beginning and 33.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-21 17:44:42,476 INFO L158 Benchmark]: CACSL2BoogieTranslator took 504.52ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 32.0MB in the beginning and 41.0MB in the end (delta: -9.1MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB.
[2023-11-21 17:44:42,477 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.85ms. Allocated memory is still 73.4MB. Free memory was 41.0MB in the beginning and 38.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-21 17:44:42,478 INFO L158 Benchmark]: Boogie Preprocessor took 62.74ms. Allocated memory is still 73.4MB. Free memory was 38.6MB in the beginning and 36.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-21 17:44:42,478 INFO L158 Benchmark]: RCFGBuilder took 670.80ms. Allocated memory is still 73.4MB. Free memory was 35.8MB in the beginning and 43.6MB in the end (delta: -7.8MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB.
[2023-11-21 17:44:42,485 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.19ms. Allocated memory is still 58.7MB. Free memory was 33.9MB in the beginning and 33.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 504.52ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 32.0MB in the beginning and 41.0MB in the end (delta: -9.1MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 64.85ms. Allocated memory is still 73.4MB. Free memory was 41.0MB in the beginning and 38.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 62.74ms. Allocated memory is still 73.4MB. Free memory was 38.6MB in the beginning and 36.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 670.80ms. Allocated memory is still 73.4MB. Free memory was 35.8MB in the beginning and 43.6MB in the end (delta: -7.8MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder:
- ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). 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: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:355)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2023-11-21 17:44:42,518 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?