./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97a3394-484b-40f0-8e24-47702e7b6a5b/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97a3394-484b-40f0-8e24-47702e7b6a5b/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97a3394-484b-40f0-8e24-47702e7b6a5b/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97a3394-484b-40f0-8e24-47702e7b6a5b/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.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_b97a3394-484b-40f0-8e24-47702e7b6a5b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97a3394-484b-40f0-8e24-47702e7b6a5b/bin/ukojak-verify-ENZ3QT5qd3 --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:13:42,412 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:13:42,507 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97a3394-484b-40f0-8e24-47702e7b6a5b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-24 18:13:42,515 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:13:42,516 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:13:42,547 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:13:42,548 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:13:42,548 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:13:42,549 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:13:42,549 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:13:42,549 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:13:42,549 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:13:42,549 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:13:42,550 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:13:42,550 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:13:42,550 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:13:42,550 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:13:42,550 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:13:42,550 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:13:42,550 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:13:42,550 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:13:42,550 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:13:42,550 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:13:42,550 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:13:42,551 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:13:42,551 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:13:42,551 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:13:42,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:13:42,551 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:13:42,551 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:13:42,551 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:13:42,551 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:13:42,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:13:42,551 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_b97a3394-484b-40f0-8e24-47702e7b6a5b/bin/ukojak-verify-ENZ3QT5qd3 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 -> Kojak 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 [2024-11-24 18:13:42,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:13:42,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:13:42,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:13:42,864 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:13:42,865 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:13:42,866 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97a3394-484b-40f0-8e24-47702e7b6a5b/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-11-24 18:13:45,910 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97a3394-484b-40f0-8e24-47702e7b6a5b/bin/ukojak-verify-ENZ3QT5qd3/data/7d19833e2/d5d78807cf9046a382ae89b2faeac9de/FLAG0f058f613 [2024-11-24 18:13:46,209 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:13:46,210 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97a3394-484b-40f0-8e24-47702e7b6a5b/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-11-24 18:13:46,231 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97a3394-484b-40f0-8e24-47702e7b6a5b/bin/ukojak-verify-ENZ3QT5qd3/data/7d19833e2/d5d78807cf9046a382ae89b2faeac9de/FLAG0f058f613 [2024-11-24 18:13:46,254 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97a3394-484b-40f0-8e24-47702e7b6a5b/bin/ukojak-verify-ENZ3QT5qd3/data/7d19833e2/d5d78807cf9046a382ae89b2faeac9de [2024-11-24 18:13:46,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:13:46,259 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:13:46,263 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:13:46,263 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:13:46,271 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:13:46,272 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:13:46" (1/1) ... [2024-11-24 18:13:46,273 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@106a41eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:13:46, skipping insertion in model container [2024-11-24 18:13:46,273 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:13:46" (1/1) ... [2024-11-24 18:13:46,318 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:13:46,695 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97a3394-484b-40f0-8e24-47702e7b6a5b/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i[30893,30906] [2024-11-24 18:13:46,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:13:46,714 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:13:46,770 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97a3394-484b-40f0-8e24-47702e7b6a5b/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i[30893,30906] [2024-11-24 18:13:46,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:13:46,809 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:13:46,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:13:46 WrapperNode [2024-11-24 18:13:46,809 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:13:46,810 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:13:46,811 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:13:46,811 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:13:46,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:13:46" (1/1) ... [2024-11-24 18:13:46,828 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:13:46" (1/1) ... [2024-11-24 18:13:46,853 INFO L138 Inliner]: procedures = 172, calls = 19, calls flagged for inlining = 5, calls inlined = 7, statements flattened = 99 [2024-11-24 18:13:46,853 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:13:46,854 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:13:46,854 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:13:46,854 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:13:46,860 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:13:46" (1/1) ... [2024-11-24 18:13:46,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:13:46" (1/1) ... [2024-11-24 18:13:46,863 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:13:46" (1/1) ... [2024-11-24 18:13:46,863 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:13:46" (1/1) ... [2024-11-24 18:13:46,869 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:13:46" (1/1) ... [2024-11-24 18:13:46,870 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:13:46" (1/1) ... [2024-11-24 18:13:46,876 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:13:46" (1/1) ... [2024-11-24 18:13:46,878 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:13:46" (1/1) ... [2024-11-24 18:13:46,879 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:13:46" (1/1) ... [2024-11-24 18:13:46,881 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:13:46,882 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:13:46,882 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:13:46,882 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:13:46,883 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:13:46" (1/1) ... [2024-11-24 18:13:46,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:13:46,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97a3394-484b-40f0-8e24-47702e7b6a5b/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:13:46,920 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97a3394-484b-40f0-8e24-47702e7b6a5b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:13:46,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97a3394-484b-40f0-8e24-47702e7b6a5b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:13:46,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-24 18:13:46,951 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-24 18:13:46,951 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-24 18:13:46,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-24 18:13:46,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-24 18:13:46,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:13:46,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 18:13:46,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 18:13:46,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 18:13:46,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-24 18:13:46,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:13:46,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:13:46,953 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-24 18:13:47,114 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:13:47,117 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:13:47,382 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-24 18:13:47,382 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:13:47,549 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-24 18:13:47,562 INFO L158 Benchmark]: Toolchain (without parser) took 1302.16ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 47.9MB in the end (delta: 43.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-24 18:13:47,562 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:13:47,563 INFO L158 Benchmark]: CACSL2BoogieTranslator took 547.10ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 71.5MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:13:47,563 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.87ms. Allocated memory is still 117.4MB. Free memory was 71.5MB in the beginning and 69.7MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:13:47,563 INFO L158 Benchmark]: Boogie Preprocessor took 27.20ms. Allocated memory is still 117.4MB. Free memory was 69.7MB in the beginning and 68.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:13:47,564 INFO L158 Benchmark]: RCFGBuilder took 678.07ms. Allocated memory is still 117.4MB. Free memory was 68.3MB in the beginning and 47.9MB in the end (delta: 20.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:13:47,566 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 547.10ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 71.5MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.87ms. Allocated memory is still 117.4MB. Free memory was 71.5MB in the beginning and 69.7MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.20ms. Allocated memory is still 117.4MB. Free memory was 69.7MB in the beginning and 68.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 678.07ms. Allocated memory is still 117.4MB. Free memory was 68.3MB in the beginning and 47.9MB in the end (delta: 20.5MB). Peak memory consumption was 16.8MB. 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. [2024-11-24 18:13:47,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97a3394-484b-40f0-8e24-47702e7b6a5b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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_b97a3394-484b-40f0-8e24-47702e7b6a5b/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97a3394-484b-40f0-8e24-47702e7b6a5b/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97a3394-484b-40f0-8e24-47702e7b6a5b/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97a3394-484b-40f0-8e24-47702e7b6a5b/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.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_b97a3394-484b-40f0-8e24-47702e7b6a5b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97a3394-484b-40f0-8e24-47702e7b6a5b/bin/ukojak-verify-ENZ3QT5qd3 --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:13:50,257 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:13:50,389 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97a3394-484b-40f0-8e24-47702e7b6a5b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-24 18:13:50,440 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:13:50,441 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:13:50,442 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:13:50,442 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:13:50,442 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:13:50,442 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:13:50,443 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:13:50,443 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:13:50,443 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:13:50,443 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:13:50,443 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:13:50,443 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:13:50,443 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:13:50,443 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 18:13:50,443 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 18:13:50,444 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 18:13:50,445 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:13:50,445 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:13:50,445 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:13:50,446 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:13:50,446 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:13:50,446 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:13:50,446 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:13:50,446 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:13:50,446 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-24 18:13:50,446 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:13:50,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:13:50,447 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:13:50,447 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:13:50,447 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:13:50,447 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-24 18:13:50,447 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:13:50,447 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-24 18:13:50,447 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_b97a3394-484b-40f0-8e24-47702e7b6a5b/bin/ukojak-verify-ENZ3QT5qd3 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 -> Kojak 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 [2024-11-24 18:13:50,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:13:50,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:13:50,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:13:50,877 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:13:50,878 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:13:50,879 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97a3394-484b-40f0-8e24-47702e7b6a5b/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-11-24 18:13:53,942 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97a3394-484b-40f0-8e24-47702e7b6a5b/bin/ukojak-verify-ENZ3QT5qd3/data/ff9fc8fbd/45895519a3a94c5b88d01e7c3cb9bdc9/FLAG8ac14acd2 [2024-11-24 18:13:54,279 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:13:54,280 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97a3394-484b-40f0-8e24-47702e7b6a5b/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2024-11-24 18:13:54,299 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97a3394-484b-40f0-8e24-47702e7b6a5b/bin/ukojak-verify-ENZ3QT5qd3/data/ff9fc8fbd/45895519a3a94c5b88d01e7c3cb9bdc9/FLAG8ac14acd2 [2024-11-24 18:13:54,321 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97a3394-484b-40f0-8e24-47702e7b6a5b/bin/ukojak-verify-ENZ3QT5qd3/data/ff9fc8fbd/45895519a3a94c5b88d01e7c3cb9bdc9 [2024-11-24 18:13:54,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:13:54,327 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:13:54,330 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:13:54,330 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:13:54,336 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:13:54,337 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:13:54" (1/1) ... [2024-11-24 18:13:54,338 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51363439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:13:54, skipping insertion in model container [2024-11-24 18:13:54,338 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:13:54" (1/1) ... [2024-11-24 18:13:54,387 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:13:54,793 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97a3394-484b-40f0-8e24-47702e7b6a5b/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i[30893,30906] [2024-11-24 18:13:54,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:13:54,816 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:13:54,886 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97a3394-484b-40f0-8e24-47702e7b6a5b/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i[30893,30906] [2024-11-24 18:13:54,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:13:54,941 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:13:54,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:13:54 WrapperNode [2024-11-24 18:13:54,944 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:13:54,945 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:13:54,945 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:13:54,946 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:13:54,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:13:54" (1/1) ... [2024-11-24 18:13:54,975 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:13:54" (1/1) ... [2024-11-24 18:13:55,003 INFO L138 Inliner]: procedures = 175, calls = 19, calls flagged for inlining = 5, calls inlined = 7, statements flattened = 99 [2024-11-24 18:13:55,004 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:13:55,004 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:13:55,004 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:13:55,004 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:13:55,014 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:13:54" (1/1) ... [2024-11-24 18:13:55,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:13:54" (1/1) ... [2024-11-24 18:13:55,022 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:13:54" (1/1) ... [2024-11-24 18:13:55,022 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:13:54" (1/1) ... [2024-11-24 18:13:55,030 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:13:54" (1/1) ... [2024-11-24 18:13:55,031 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:13:54" (1/1) ... [2024-11-24 18:13:55,034 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:13:54" (1/1) ... [2024-11-24 18:13:55,036 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:13:54" (1/1) ... [2024-11-24 18:13:55,037 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:13:54" (1/1) ... [2024-11-24 18:13:55,040 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:13:55,040 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:13:55,041 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:13:55,041 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:13:55,042 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:13:54" (1/1) ... [2024-11-24 18:13:55,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:13:55,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97a3394-484b-40f0-8e24-47702e7b6a5b/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:13:55,082 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97a3394-484b-40f0-8e24-47702e7b6a5b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:13:55,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97a3394-484b-40f0-8e24-47702e7b6a5b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:13:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-24 18:13:55,117 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-24 18:13:55,117 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-24 18:13:55,117 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-24 18:13:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:13:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 18:13:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 18:13:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-24 18:13:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-24 18:13:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-24 18:13:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:13:55,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:13:55,119 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-24 18:13:55,312 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:13:55,314 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:13:55,551 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-24 18:13:55,551 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:13:55,683 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-24 18:13:55,694 INFO L158 Benchmark]: Toolchain (without parser) took 1366.80ms. Allocated memory is still 83.9MB. Free memory was 59.5MB in the beginning and 49.0MB in the end (delta: 10.5MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2024-11-24 18:13:55,695 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:13:55,696 INFO L158 Benchmark]: CACSL2BoogieTranslator took 615.00ms. Allocated memory is still 83.9MB. Free memory was 59.2MB in the beginning and 38.8MB in the end (delta: 20.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:13:55,696 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.48ms. Allocated memory is still 83.9MB. Free memory was 38.5MB in the beginning and 36.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:13:55,697 INFO L158 Benchmark]: Boogie Preprocessor took 35.67ms. Allocated memory is still 83.9MB. Free memory was 36.6MB in the beginning and 35.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:13:55,697 INFO L158 Benchmark]: RCFGBuilder took 651.55ms. Allocated memory is still 83.9MB. Free memory was 35.1MB in the beginning and 49.0MB in the end (delta: -13.9MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2024-11-24 18:13:55,703 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 615.00ms. Allocated memory is still 83.9MB. Free memory was 59.2MB in the beginning and 38.8MB in the end (delta: 20.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.48ms. Allocated memory is still 83.9MB. Free memory was 38.5MB in the beginning and 36.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.67ms. Allocated memory is still 83.9MB. Free memory was 36.6MB in the beginning and 35.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 651.55ms. Allocated memory is still 83.9MB. Free memory was 35.1MB in the beginning and 49.0MB in the end (delta: -13.9MB). Peak memory consumption was 21.2MB. 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. [2024-11-24 18:13:55,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b97a3394-484b-40f0-8e24-47702e7b6a5b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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?