./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be57855a-3977-4997-a5a9-ff64cf01ed7b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be57855a-3977-4997-a5a9-ff64cf01ed7b/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be57855a-3977-4997-a5a9-ff64cf01ed7b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be57855a-3977-4997-a5a9-ff64cf01ed7b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be57855a-3977-4997-a5a9-ff64cf01ed7b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be57855a-3977-4997-a5a9-ff64cf01ed7b/bin/ukojak-verify-CZk0znPC7b --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d2c89f010e0f73e8ba7e81bb150b82b70d39c0827c0d616dd2c3347839d51e01 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:09:56,156 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:09:56,206 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be57855a-3977-4997-a5a9-ff64cf01ed7b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-05 23:09:56,210 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:09:56,210 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:09:56,227 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:09:56,228 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:09:56,228 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:09:56,229 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:09:56,229 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:09:56,229 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:09:56,229 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:09:56,229 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:09:56,229 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:09:56,229 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:09:56,229 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:09:56,229 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:09:56,230 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:09:56,230 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:09:56,230 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 23:09:56,230 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:09:56,230 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:09:56,230 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:09:56,230 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:09:56,230 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:09:56,230 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:09:56,230 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:09:56,230 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:09:56,230 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:09:56,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:09:56,231 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:09:56,231 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:09:56,231 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:09:56,231 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:09:56,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:09:56,231 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_be57855a-3977-4997-a5a9-ff64cf01ed7b/bin/ukojak-verify-CZk0znPC7b 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 -> 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 -> d2c89f010e0f73e8ba7e81bb150b82b70d39c0827c0d616dd2c3347839d51e01 [2024-12-05 23:09:56,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:09:56,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:09:56,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:09:56,449 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:09:56,449 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:09:56,450 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be57855a-3977-4997-a5a9-ff64cf01ed7b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2024-12-05 23:09:59,039 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be57855a-3977-4997-a5a9-ff64cf01ed7b/bin/ukojak-verify-CZk0znPC7b/data/db0ce9c7d/63ed252f6bce4c929d5cb030e9329820/FLAG0381b412a [2024-12-05 23:09:59,246 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:09:59,246 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be57855a-3977-4997-a5a9-ff64cf01ed7b/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2024-12-05 23:09:59,251 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be57855a-3977-4997-a5a9-ff64cf01ed7b/bin/ukojak-verify-CZk0znPC7b/data/db0ce9c7d/63ed252f6bce4c929d5cb030e9329820/FLAG0381b412a [2024-12-05 23:09:59,624 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be57855a-3977-4997-a5a9-ff64cf01ed7b/bin/ukojak-verify-CZk0znPC7b/data/db0ce9c7d/63ed252f6bce4c929d5cb030e9329820 [2024-12-05 23:09:59,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:09:59,627 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:09:59,628 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:09:59,628 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:09:59,631 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:09:59,631 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:09:59" (1/1) ... [2024-12-05 23:09:59,632 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cbeeb0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:09:59, skipping insertion in model container [2024-12-05 23:09:59,632 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:09:59" (1/1) ... [2024-12-05 23:09:59,645 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:09:59,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:09:59,823 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:09:59,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:09:59,857 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:09:59,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:09:59 WrapperNode [2024-12-05 23:09:59,858 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:09:59,859 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:09:59,859 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:09:59,859 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:09:59,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:09:59" (1/1) ... [2024-12-05 23:09:59,870 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:09:59" (1/1) ... [2024-12-05 23:09:59,883 INFO L138 Inliner]: procedures = 24, calls = 41, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2024-12-05 23:09:59,883 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:09:59,884 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:09:59,884 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:09:59,884 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:09:59,890 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:09:59" (1/1) ... [2024-12-05 23:09:59,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:09:59" (1/1) ... [2024-12-05 23:09:59,892 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:09:59" (1/1) ... [2024-12-05 23:09:59,893 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:09:59" (1/1) ... [2024-12-05 23:09:59,897 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:09:59" (1/1) ... [2024-12-05 23:09:59,898 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:09:59" (1/1) ... [2024-12-05 23:09:59,901 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:09:59" (1/1) ... [2024-12-05 23:09:59,903 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:09:59" (1/1) ... [2024-12-05 23:09:59,903 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:09:59" (1/1) ... [2024-12-05 23:09:59,905 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:09:59,905 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:09:59,906 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:09:59,906 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:09:59,906 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:09:59" (1/1) ... [2024-12-05 23:09:59,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:09:59,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be57855a-3977-4997-a5a9-ff64cf01ed7b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:09:59,929 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be57855a-3977-4997-a5a9-ff64cf01ed7b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:09:59,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be57855a-3977-4997-a5a9-ff64cf01ed7b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:09:59,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:09:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-05 23:09:59,955 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-05 23:09:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-05 23:09:59,955 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-05 23:09:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-05 23:09:59,955 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-05 23:09:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 23:09:59,955 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 23:09:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:09:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 23:09:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-12-05 23:09:59,955 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-12-05 23:09:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-05 23:09:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-05 23:09:59,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 23:09:59,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:09:59,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:09:59,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 23:09:59,957 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-05 23:10:00,038 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:10:00,040 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:10:00,322 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-05 23:10:00,323 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:10:00,430 WARN L170 LargeBlockEncoding]: Complex 2:4 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-12-05 23:10:00,455 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem4;#t~post5 := ~q1_back~0;assume 1 + #t~post5 >= -2147483648;assume 1 + #t~post5 <= 2147483647;~q1_back~0 := 1 + #t~post5;havoc #t~post5;). 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:123) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 23:10:00,461 INFO L158 Benchmark]: Toolchain (without parser) took 833.12ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 44.3MB in the end (delta: 48.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-05 23:10:00,461 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 72.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:10:00,461 INFO L158 Benchmark]: CACSL2BoogieTranslator took 230.37ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 80.0MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:10:00,462 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.86ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 78.7MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:10:00,463 INFO L158 Benchmark]: Boogie Preprocessor took 21.13ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:10:00,463 INFO L158 Benchmark]: RCFGBuilder took 553.71ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 44.3MB in the end (delta: 33.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 23:10:00,465 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 72.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 230.37ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 80.0MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.86ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 78.7MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.13ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 553.71ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 44.3MB in the end (delta: 33.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem4;#t~post5 := ~q1_back~0;assume 1 + #t~post5 >= -2147483648;assume 1 + #t~post5 <= 2147483647;~q1_back~0 := 1 + #t~post5;havoc #t~post5;). 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 end of atomic block: havoc #t~mem4;#t~post5 := ~q1_back~0;assume 1 + #t~post5 >= -2147483648;assume 1 + #t~post5 <= 2147483647;~q1_back~0 := 1 + #t~post5;havoc #t~post5;). 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:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 23:10:00,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be57855a-3977-4997-a5a9-ff64cf01ed7b/bin/ukojak-verify-CZk0znPC7b/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_be57855a-3977-4997-a5a9-ff64cf01ed7b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be57855a-3977-4997-a5a9-ff64cf01ed7b/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be57855a-3977-4997-a5a9-ff64cf01ed7b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be57855a-3977-4997-a5a9-ff64cf01ed7b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be57855a-3977-4997-a5a9-ff64cf01ed7b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be57855a-3977-4997-a5a9-ff64cf01ed7b/bin/ukojak-verify-CZk0znPC7b --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d2c89f010e0f73e8ba7e81bb150b82b70d39c0827c0d616dd2c3347839d51e01 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:10:02,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:10:02,479 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be57855a-3977-4997-a5a9-ff64cf01ed7b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-12-05 23:10:02,505 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:10:02,505 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:10:02,505 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:10:02,506 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:10:02,506 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:10:02,506 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:10:02,506 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:10:02,506 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:10:02,506 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:10:02,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:10:02,506 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:10:02,507 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:10:02,507 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:10:02,507 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:10:02,507 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:10:02,507 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 23:10:02,507 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:10:02,507 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:10:02,507 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:10:02,507 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:10:02,507 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:10:02,507 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:10:02,507 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:10:02,508 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:10:02,508 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:10:02,508 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:10:02,508 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:10:02,508 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:10:02,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:10:02,508 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:10:02,508 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:10:02,508 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:10:02,508 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:10:02,508 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:10:02,508 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:10:02,509 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_be57855a-3977-4997-a5a9-ff64cf01ed7b/bin/ukojak-verify-CZk0znPC7b 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 -> 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 -> d2c89f010e0f73e8ba7e81bb150b82b70d39c0827c0d616dd2c3347839d51e01 [2024-12-05 23:10:02,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:10:02,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:10:02,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:10:02,745 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:10:02,745 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:10:02,746 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be57855a-3977-4997-a5a9-ff64cf01ed7b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2024-12-05 23:10:05,444 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be57855a-3977-4997-a5a9-ff64cf01ed7b/bin/ukojak-verify-CZk0znPC7b/data/6dbb3a8fb/ff3809e6e5b549d38decc27411ffbed2/FLAG4a1103163 [2024-12-05 23:10:05,608 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:10:05,609 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be57855a-3977-4997-a5a9-ff64cf01ed7b/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2024-12-05 23:10:05,616 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be57855a-3977-4997-a5a9-ff64cf01ed7b/bin/ukojak-verify-CZk0znPC7b/data/6dbb3a8fb/ff3809e6e5b549d38decc27411ffbed2/FLAG4a1103163 [2024-12-05 23:10:05,989 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be57855a-3977-4997-a5a9-ff64cf01ed7b/bin/ukojak-verify-CZk0znPC7b/data/6dbb3a8fb/ff3809e6e5b549d38decc27411ffbed2 [2024-12-05 23:10:05,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:10:05,992 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:10:05,993 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:10:05,993 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:10:05,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:10:05,996 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:10:05" (1/1) ... [2024-12-05 23:10:05,997 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d9583bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:05, skipping insertion in model container [2024-12-05 23:10:05,997 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:10:05" (1/1) ... [2024-12-05 23:10:06,007 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:10:06,125 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 23:10:06,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:10:06,139 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:10:06,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:10:06,176 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:10:06,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:06 WrapperNode [2024-12-05 23:10:06,176 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:10:06,177 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:10:06,177 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:10:06,177 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:10:06,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:06" (1/1) ... [2024-12-05 23:10:06,189 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:06" (1/1) ... [2024-12-05 23:10:06,201 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73 [2024-12-05 23:10:06,201 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:10:06,202 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:10:06,202 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:10:06,202 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:10:06,208 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:06" (1/1) ... [2024-12-05 23:10:06,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:06" (1/1) ... [2024-12-05 23:10:06,211 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:06" (1/1) ... [2024-12-05 23:10:06,211 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:06" (1/1) ... [2024-12-05 23:10:06,219 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:06" (1/1) ... [2024-12-05 23:10:06,220 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:06" (1/1) ... [2024-12-05 23:10:06,224 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:06" (1/1) ... [2024-12-05 23:10:06,226 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:06" (1/1) ... [2024-12-05 23:10:06,227 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:06" (1/1) ... [2024-12-05 23:10:06,229 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:10:06,230 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:10:06,230 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:10:06,230 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:10:06,231 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:10:06" (1/1) ... [2024-12-05 23:10:06,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:10:06,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be57855a-3977-4997-a5a9-ff64cf01ed7b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:10:06,259 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be57855a-3977-4997-a5a9-ff64cf01ed7b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:10:06,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be57855a-3977-4997-a5a9-ff64cf01ed7b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:10:06,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:10:06,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:10:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-12-05 23:10:06,280 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-12-05 23:10:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-05 23:10:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-05 23:10:06,280 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-05 23:10:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-05 23:10:06,280 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-05 23:10:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-05 23:10:06,280 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-05 23:10:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 23:10:06,280 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 23:10:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-05 23:10:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-05 23:10:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 23:10:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:10:06,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:10:06,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-05 23:10:06,282 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-05 23:10:06,370 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:10:06,371 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:10:06,685 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-05 23:10:06,685 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:10:06,807 WARN L170 LargeBlockEncoding]: Complex 2:4 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-12-05 23:10:06,826 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem4;#t~post5 := ~q1_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post5);havoc #t~post5;). 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:123) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 23:10:06,830 INFO L158 Benchmark]: Toolchain (without parser) took 837.81ms. Allocated memory is still 92.3MB. Free memory was 69.8MB in the beginning and 45.4MB in the end (delta: 24.5MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-12-05 23:10:06,831 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:10:06,831 INFO L158 Benchmark]: CACSL2BoogieTranslator took 183.74ms. Allocated memory is still 92.3MB. Free memory was 69.6MB in the beginning and 56.6MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:10:06,831 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.32ms. Allocated memory is still 92.3MB. Free memory was 56.6MB in the beginning and 55.3MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:10:06,832 INFO L158 Benchmark]: Boogie Preprocessor took 27.57ms. Allocated memory is still 92.3MB. Free memory was 55.3MB in the beginning and 53.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:10:06,832 INFO L158 Benchmark]: RCFGBuilder took 598.90ms. Allocated memory is still 92.3MB. Free memory was 53.7MB in the beginning and 45.4MB in the end (delta: 8.3MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-12-05 23:10:06,834 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 183.74ms. Allocated memory is still 92.3MB. Free memory was 69.6MB in the beginning and 56.6MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.32ms. Allocated memory is still 92.3MB. Free memory was 56.6MB in the beginning and 55.3MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.57ms. Allocated memory is still 92.3MB. Free memory was 55.3MB in the beginning and 53.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 598.90ms. Allocated memory is still 92.3MB. Free memory was 53.7MB in the beginning and 45.4MB in the end (delta: 8.3MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem4;#t~post5 := ~q1_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post5);havoc #t~post5;). 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 end of atomic block: havoc #t~mem4;#t~post5 := ~q1_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post5);havoc #t~post5;). 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:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 23:10:06,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be57855a-3977-4997-a5a9-ff64cf01ed7b/bin/ukojak-verify-CZk0znPC7b/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 end of atomic block: havoc #t~mem4;#t~post5 := ~q1_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post5);havoc #t~post5;). Is there illegal control flow (e.g. loops) within an atomic block?