./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0d24f-c163-41f6-8681-04b96b09eec0/bin/ugemcutter-verify-Z6otQMs9Ca/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0d24f-c163-41f6-8681-04b96b09eec0/bin/ugemcutter-verify-Z6otQMs9Ca/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0d24f-c163-41f6-8681-04b96b09eec0/bin/ugemcutter-verify-Z6otQMs9Ca/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0d24f-c163-41f6-8681-04b96b09eec0/bin/ugemcutter-verify-Z6otQMs9Ca/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0d24f-c163-41f6-8681-04b96b09eec0/bin/ugemcutter-verify-Z6otQMs9Ca/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0d24f-c163-41f6-8681-04b96b09eec0/bin/ugemcutter-verify-Z6otQMs9Ca --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 11:21:56,689 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 11:21:56,768 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0d24f-c163-41f6-8681-04b96b09eec0/bin/ugemcutter-verify-Z6otQMs9Ca/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2024-11-23 11:21:56,774 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 11:21:56,775 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 11:21:56,813 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 11:21:56,814 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 11:21:56,814 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 11:21:56,815 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 11:21:56,815 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 11:21:56,815 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 11:21:56,815 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 11:21:56,815 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 11:21:56,816 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 11:21:56,816 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 11:21:56,816 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 11:21:56,816 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 11:21:56,816 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 11:21:56,816 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 11:21:56,816 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 11:21:56,816 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 11:21:56,817 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 11:21:56,817 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 11:21:56,817 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 11:21:56,817 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 11:21:56,819 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 11:21:56,819 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 11:21:56,819 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 11:21:56,819 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 11:21:56,819 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 11:21:56,820 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 11:21:56,820 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 11:21:56,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-23 11:21:56,820 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 11:21:56,820 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 11:21:56,820 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 11:21:56,820 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 11:21:56,821 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 11:21:56,821 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-23 11:21:56,821 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 11:21:56,821 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 11:21:56,821 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-23 11:21:56,821 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-23 11:21:56,821 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-23 11:21:56,822 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-23 11:21:56,822 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0d24f-c163-41f6-8681-04b96b09eec0/bin/ugemcutter-verify-Z6otQMs9Ca 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 ! overflow) ) 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 [2024-11-23 11:21:57,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 11:21:57,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 11:21:57,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 11:21:57,116 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 11:21:57,117 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 11:21:57,119 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0d24f-c163-41f6-8681-04b96b09eec0/bin/ugemcutter-verify-Z6otQMs9Ca/../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-11-23 11:21:59,990 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0d24f-c163-41f6-8681-04b96b09eec0/bin/ugemcutter-verify-Z6otQMs9Ca/data/b81283bc2/951597b2ead9469e9fb41f95b72e5f26/FLAGe5a396e12 [2024-11-23 11:22:00,406 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 11:22:00,407 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0d24f-c163-41f6-8681-04b96b09eec0/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-11-23 11:22:00,425 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0d24f-c163-41f6-8681-04b96b09eec0/bin/ugemcutter-verify-Z6otQMs9Ca/data/b81283bc2/951597b2ead9469e9fb41f95b72e5f26/FLAGe5a396e12 [2024-11-23 11:22:00,573 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0d24f-c163-41f6-8681-04b96b09eec0/bin/ugemcutter-verify-Z6otQMs9Ca/data/b81283bc2/951597b2ead9469e9fb41f95b72e5f26 [2024-11-23 11:22:00,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 11:22:00,578 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 11:22:00,580 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 11:22:00,581 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 11:22:00,587 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 11:22:00,588 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:22:00" (1/1) ... [2024-11-23 11:22:00,590 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76c79c1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:00, skipping insertion in model container [2024-11-23 11:22:00,591 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:22:00" (1/1) ... [2024-11-23 11:22:00,643 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 11:22:00,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 11:22:00,996 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 11:22:01,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 11:22:01,125 INFO L204 MainTranslator]: Completed translation [2024-11-23 11:22:01,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:01 WrapperNode [2024-11-23 11:22:01,126 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 11:22:01,128 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 11:22:01,128 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 11:22:01,128 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 11:22:01,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:01" (1/1) ... [2024-11-23 11:22:01,157 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:01" (1/1) ... [2024-11-23 11:22:01,184 INFO L138 Inliner]: procedures = 172, calls = 20, calls flagged for inlining = 6, calls inlined = 9, statements flattened = 103 [2024-11-23 11:22:01,186 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 11:22:01,187 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 11:22:01,187 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 11:22:01,187 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 11:22:01,194 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:01" (1/1) ... [2024-11-23 11:22:01,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:01" (1/1) ... [2024-11-23 11:22:01,198 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:01" (1/1) ... [2024-11-23 11:22:01,200 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:01" (1/1) ... [2024-11-23 11:22:01,205 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:01" (1/1) ... [2024-11-23 11:22:01,210 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:01" (1/1) ... [2024-11-23 11:22:01,217 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:01" (1/1) ... [2024-11-23 11:22:01,221 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:01" (1/1) ... [2024-11-23 11:22:01,222 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:01" (1/1) ... [2024-11-23 11:22:01,228 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 11:22:01,229 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 11:22:01,229 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 11:22:01,229 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 11:22:01,234 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:01" (1/1) ... [2024-11-23 11:22:01,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-23 11:22:01,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0d24f-c163-41f6-8681-04b96b09eec0/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:22:01,273 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0d24f-c163-41f6-8681-04b96b09eec0/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-23 11:22:01,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0d24f-c163-41f6-8681-04b96b09eec0/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-23 11:22:01,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-23 11:22:01,304 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-23 11:22:01,304 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-23 11:22:01,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-23 11:22:01,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-23 11:22:01,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 11:22:01,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 11:22:01,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 11:22:01,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-23 11:22:01,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-23 11:22:01,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 11:22:01,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 11:22:01,307 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 11:22:01,479 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 11:22:01,481 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 11:22:01,708 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 11:22:01,708 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 11:22:01,877 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.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:299) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-23 11:22:01,885 INFO L158 Benchmark]: Toolchain (without parser) took 1304.55ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 69.1MB in the end (delta: 49.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-23 11:22:01,885 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 11:22:01,886 INFO L158 Benchmark]: CACSL2BoogieTranslator took 546.31ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 98.9MB in the end (delta: 19.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 11:22:01,886 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.57ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 97.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 11:22:01,887 INFO L158 Benchmark]: Boogie Preprocessor took 42.08ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 95.8MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 11:22:01,887 INFO L158 Benchmark]: RCFGBuilder took 651.91ms. Allocated memory is still 142.6MB. Free memory was 95.8MB in the beginning and 69.1MB in the end (delta: 26.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-23 11:22:01,891 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 546.31ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 98.9MB in the end (delta: 19.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.57ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 97.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.08ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 95.8MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 651.91ms. Allocated memory is still 142.6MB. Free memory was 95.8MB in the beginning and 69.1MB in the end (delta: 26.7MB). Peak memory consumption was 25.2MB. 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.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-23 11:22:01,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0d24f-c163-41f6-8681-04b96b09eec0/bin/ugemcutter-verify-Z6otQMs9Ca/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: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0d24f-c163-41f6-8681-04b96b09eec0/bin/ugemcutter-verify-Z6otQMs9Ca/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0d24f-c163-41f6-8681-04b96b09eec0/bin/ugemcutter-verify-Z6otQMs9Ca/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0d24f-c163-41f6-8681-04b96b09eec0/bin/ugemcutter-verify-Z6otQMs9Ca/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0d24f-c163-41f6-8681-04b96b09eec0/bin/ugemcutter-verify-Z6otQMs9Ca/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0d24f-c163-41f6-8681-04b96b09eec0/bin/ugemcutter-verify-Z6otQMs9Ca/config/svcomp-Overflow-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0d24f-c163-41f6-8681-04b96b09eec0/bin/ugemcutter-verify-Z6otQMs9Ca --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 11:22:04,613 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 11:22:04,732 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0d24f-c163-41f6-8681-04b96b09eec0/bin/ugemcutter-verify-Z6otQMs9Ca/config/svcomp-Overflow-32bit-GemCutter_Bitvector.epf [2024-11-23 11:22:04,746 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 11:22:04,747 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 11:22:04,796 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 11:22:04,798 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 11:22:04,798 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 11:22:04,799 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 11:22:04,799 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 11:22:04,800 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 11:22:04,801 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 11:22:04,801 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 11:22:04,801 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 11:22:04,801 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 11:22:04,801 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 11:22:04,801 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 11:22:04,802 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 11:22:04,802 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 11:22:04,803 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 11:22:04,803 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 11:22:04,803 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 11:22:04,803 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 11:22:04,803 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 11:22:04,803 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 11:22:04,803 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 11:22:04,803 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 11:22:04,804 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 11:22:04,804 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 11:22:04,804 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 11:22:04,804 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 11:22:04,805 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 11:22:04,805 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 11:22:04,805 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-23 11:22:04,805 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 11:22:04,806 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 11:22:04,806 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 11:22:04,806 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 11:22:04,806 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 11:22:04,806 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-23 11:22:04,806 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 11:22:04,806 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 11:22:04,806 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-23 11:22:04,806 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-23 11:22:04,806 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-23 11:22:04,806 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-23 11:22:04,806 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0d24f-c163-41f6-8681-04b96b09eec0/bin/ugemcutter-verify-Z6otQMs9Ca 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 ! overflow) ) 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 [2024-11-23 11:22:05,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 11:22:05,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 11:22:05,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 11:22:05,132 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 11:22:05,132 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 11:22:05,133 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0d24f-c163-41f6-8681-04b96b09eec0/bin/ugemcutter-verify-Z6otQMs9Ca/../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-11-23 11:22:08,048 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0d24f-c163-41f6-8681-04b96b09eec0/bin/ugemcutter-verify-Z6otQMs9Ca/data/0c948123f/5aed54b4a61b4decb9391c3ca1e13513/FLAG6715524f0 [2024-11-23 11:22:08,441 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 11:22:08,445 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0d24f-c163-41f6-8681-04b96b09eec0/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-11-23 11:22:08,462 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0d24f-c163-41f6-8681-04b96b09eec0/bin/ugemcutter-verify-Z6otQMs9Ca/data/0c948123f/5aed54b4a61b4decb9391c3ca1e13513/FLAG6715524f0 [2024-11-23 11:22:08,485 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0d24f-c163-41f6-8681-04b96b09eec0/bin/ugemcutter-verify-Z6otQMs9Ca/data/0c948123f/5aed54b4a61b4decb9391c3ca1e13513 [2024-11-23 11:22:08,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 11:22:08,490 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 11:22:08,491 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 11:22:08,492 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 11:22:08,496 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 11:22:08,497 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:22:08" (1/1) ... [2024-11-23 11:22:08,500 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b3a4cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:08, skipping insertion in model container [2024-11-23 11:22:08,500 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:22:08" (1/1) ... [2024-11-23 11:22:08,545 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 11:22:08,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 11:22:08,900 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 11:22:08,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 11:22:08,989 INFO L204 MainTranslator]: Completed translation [2024-11-23 11:22:08,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:08 WrapperNode [2024-11-23 11:22:08,991 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 11:22:08,993 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 11:22:08,993 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 11:22:08,993 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 11:22:09,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:08" (1/1) ... [2024-11-23 11:22:09,029 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:08" (1/1) ... [2024-11-23 11:22:09,059 INFO L138 Inliner]: procedures = 175, calls = 20, calls flagged for inlining = 6, calls inlined = 9, statements flattened = 103 [2024-11-23 11:22:09,059 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 11:22:09,059 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 11:22:09,060 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 11:22:09,060 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 11:22:09,068 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:08" (1/1) ... [2024-11-23 11:22:09,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:08" (1/1) ... [2024-11-23 11:22:09,076 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:08" (1/1) ... [2024-11-23 11:22:09,076 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:08" (1/1) ... [2024-11-23 11:22:09,091 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:08" (1/1) ... [2024-11-23 11:22:09,092 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:08" (1/1) ... [2024-11-23 11:22:09,095 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:08" (1/1) ... [2024-11-23 11:22:09,098 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:08" (1/1) ... [2024-11-23 11:22:09,099 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:08" (1/1) ... [2024-11-23 11:22:09,102 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 11:22:09,102 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 11:22:09,103 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 11:22:09,103 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 11:22:09,104 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:08" (1/1) ... [2024-11-23 11:22:09,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-23 11:22:09,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0d24f-c163-41f6-8681-04b96b09eec0/bin/ugemcutter-verify-Z6otQMs9Ca/z3 [2024-11-23 11:22:09,145 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0d24f-c163-41f6-8681-04b96b09eec0/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-23 11:22:09,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0d24f-c163-41f6-8681-04b96b09eec0/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-23 11:22:09,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-23 11:22:09,178 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-23 11:22:09,178 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-23 11:22:09,178 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-23 11:22:09,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 11:22:09,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 11:22:09,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 11:22:09,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-23 11:22:09,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-23 11:22:09,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-23 11:22:09,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 11:22:09,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 11:22:09,181 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 11:22:09,363 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 11:22:09,365 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 11:22:09,598 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 11:22:09,599 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 11:22:09,857 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.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:299) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-23 11:22:09,864 INFO L158 Benchmark]: Toolchain (without parser) took 1373.60ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 78.9MB in the end (delta: 12.4MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. [2024-11-23 11:22:09,866 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 11:22:09,866 INFO L158 Benchmark]: CACSL2BoogieTranslator took 501.46ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 70.8MB in the end (delta: 20.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 11:22:09,869 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.03ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 69.0MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 11:22:09,869 INFO L158 Benchmark]: Boogie Preprocessor took 42.41ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 67.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 11:22:09,869 INFO L158 Benchmark]: RCFGBuilder took 759.72ms. Allocated memory is still 117.4MB. Free memory was 67.4MB in the beginning and 78.9MB in the end (delta: -11.6MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2024-11-23 11:22:09,873 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 501.46ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 70.8MB in the end (delta: 20.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.03ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 69.0MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.41ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 67.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 759.72ms. Allocated memory is still 117.4MB. Free memory was 67.4MB in the beginning and 78.9MB in the end (delta: -11.6MB). Peak memory consumption was 29.7MB. 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.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-23 11:22:09,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56f0d24f-c163-41f6-8681-04b96b09eec0/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, 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?