./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b59970-08c4-4065-9c6c-ae7e34541e91/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b59970-08c4-4065-9c6c-ae7e34541e91/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b59970-08c4-4065-9c6c-ae7e34541e91/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b59970-08c4-4065-9c6c-ae7e34541e91/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b59970-08c4-4065-9c6c-ae7e34541e91/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b59970-08c4-4065-9c6c-ae7e34541e91/bin/ukojak-verify-EEHR8qb7sm --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 8c3fe688d0e9a9929009fc24c8ef56c8fc1bfa15613131b287e178eb7d2f1f1e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:07:26,285 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:07:26,355 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b59970-08c4-4065-9c6c-ae7e34541e91/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 21:07:26,360 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:07:26,360 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:07:26,403 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:07:26,403 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:07:26,404 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:07:26,404 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:07:26,404 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:07:26,404 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:07:26,405 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:07:26,405 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:07:26,405 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:07:26,405 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:07:26,405 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:07:26,405 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:07:26,405 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:07:26,405 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:07:26,405 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:07:26,406 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:07:26,406 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:07:26,406 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:07:26,406 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:07:26,406 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:07:26,406 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:07:26,406 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:07:26,406 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:07:26,407 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:07:26,407 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:07:26,407 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:07:26,407 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:07:26,407 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:07:26,407 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:07:26,407 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:07:26,407 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_94b59970-08c4-4065-9c6c-ae7e34541e91/bin/ukojak-verify-EEHR8qb7sm 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 -> 8c3fe688d0e9a9929009fc24c8ef56c8fc1bfa15613131b287e178eb7d2f1f1e [2024-11-13 21:07:26,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:07:26,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:07:26,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:07:26,689 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:07:26,690 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:07:26,691 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b59970-08c4-4065-9c6c-ae7e34541e91/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c Unable to find full path for "g++" [2024-11-13 21:07:28,665 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:07:28,965 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:07:28,967 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b59970-08c4-4065-9c6c-ae7e34541e91/sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c [2024-11-13 21:07:28,975 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b59970-08c4-4065-9c6c-ae7e34541e91/bin/ukojak-verify-EEHR8qb7sm/data/8532f04ca/018f67eb0fe94099b7147d8ef890a4f0/FLAGa03105a74 [2024-11-13 21:07:29,247 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b59970-08c4-4065-9c6c-ae7e34541e91/bin/ukojak-verify-EEHR8qb7sm/data/8532f04ca/018f67eb0fe94099b7147d8ef890a4f0 [2024-11-13 21:07:29,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:07:29,251 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:07:29,252 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:07:29,252 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:07:29,257 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:07:29,258 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:07:29" (1/1) ... [2024-11-13 21:07:29,259 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f459515 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:29, skipping insertion in model container [2024-11-13 21:07:29,259 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:07:29" (1/1) ... [2024-11-13 21:07:29,278 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:07:29,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:07:29,469 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:07:29,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:07:29,508 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:07:29,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:29 WrapperNode [2024-11-13 21:07:29,509 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:07:29,510 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:07:29,510 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:07:29,510 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:07:29,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:29" (1/1) ... [2024-11-13 21:07:29,525 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:29" (1/1) ... [2024-11-13 21:07:29,545 INFO L138 Inliner]: procedures = 23, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2024-11-13 21:07:29,545 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:07:29,546 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:07:29,546 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:07:29,546 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:07:29,556 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:29" (1/1) ... [2024-11-13 21:07:29,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:29" (1/1) ... [2024-11-13 21:07:29,562 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:29" (1/1) ... [2024-11-13 21:07:29,563 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:29" (1/1) ... [2024-11-13 21:07:29,577 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:29" (1/1) ... [2024-11-13 21:07:29,582 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:29" (1/1) ... [2024-11-13 21:07:29,583 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:29" (1/1) ... [2024-11-13 21:07:29,588 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:29" (1/1) ... [2024-11-13 21:07:29,595 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:07:29,595 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:07:29,596 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:07:29,596 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:07:29,597 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:29" (1/1) ... [2024-11-13 21:07:29,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:07:29,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b59970-08c4-4065-9c6c-ae7e34541e91/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:07:29,637 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b59970-08c4-4065-9c6c-ae7e34541e91/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:07:29,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b59970-08c4-4065-9c6c-ae7e34541e91/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:07:29,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:07:29,675 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-13 21:07:29,676 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-13 21:07:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-13 21:07:29,676 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-13 21:07:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:07:29,676 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:07:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:07:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:07:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 21:07:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 21:07:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 21:07:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:07:29,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:07:29,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:07:29,678 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 21:07:29,815 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:07:29,818 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:07:30,191 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 21:07:30,191 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:07:30,317 WARN L1754 r$LargeBlockEncoding]: Complex 2:4 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-13 21:07:30,352 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 := ~q_back~0;assume 1 + #t~post5 >= -2147483648;assume 1 + #t~post5 <= 2147483647;~q_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:303) 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) [2024-11-13 21:07:30,358 INFO L158 Benchmark]: Toolchain (without parser) took 1106.48ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 76.1MB in the end (delta: 42.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 21:07:30,358 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:07:30,363 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.86ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 107.2MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:07:30,364 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.63ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 105.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:07:30,364 INFO L158 Benchmark]: Boogie Preprocessor took 48.92ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 104.8MB in the end (delta: 981.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:07:30,365 INFO L158 Benchmark]: RCFGBuilder took 760.88ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 76.1MB in the end (delta: 28.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 21:07:30,369 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 256.86ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 107.2MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.63ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 105.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.92ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 104.8MB in the end (delta: 981.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 760.88ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 76.1MB in the end (delta: 28.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem4;#t~post5 := ~q_back~0;assume 1 + #t~post5 >= -2147483648;assume 1 + #t~post5 <= 2147483647;~q_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 := ~q_back~0;assume 1 + #t~post5 >= -2147483648;assume 1 + #t~post5 <= 2147483647;~q_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. [2024-11-13 21:07:30,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b59970-08c4-4065-9c6c-ae7e34541e91/bin/ukojak-verify-EEHR8qb7sm/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_94b59970-08c4-4065-9c6c-ae7e34541e91/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b59970-08c4-4065-9c6c-ae7e34541e91/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b59970-08c4-4065-9c6c-ae7e34541e91/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b59970-08c4-4065-9c6c-ae7e34541e91/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b59970-08c4-4065-9c6c-ae7e34541e91/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b59970-08c4-4065-9c6c-ae7e34541e91/bin/ukojak-verify-EEHR8qb7sm --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 8c3fe688d0e9a9929009fc24c8ef56c8fc1bfa15613131b287e178eb7d2f1f1e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:07:33,132 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:07:33,285 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b59970-08c4-4065-9c6c-ae7e34541e91/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-11-13 21:07:33,331 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:07:33,332 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:07:33,332 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:07:33,332 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:07:33,332 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:07:33,332 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:07:33,333 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:07:33,333 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:07:33,333 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:07:33,333 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:07:33,333 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:07:33,333 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:07:33,333 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:07:33,333 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:07:33,333 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:07:33,334 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:07:33,334 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:07:33,334 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:07:33,334 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:07:33,334 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:07:33,334 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:07:33,334 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:07:33,334 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:07:33,334 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:07:33,335 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:07:33,335 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:07:33,335 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:07:33,335 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:07:33,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:07:33,335 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:07:33,335 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:07:33,335 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:07:33,336 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:07:33,336 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:07:33,336 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:07:33,336 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_94b59970-08c4-4065-9c6c-ae7e34541e91/bin/ukojak-verify-EEHR8qb7sm 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 -> 8c3fe688d0e9a9929009fc24c8ef56c8fc1bfa15613131b287e178eb7d2f1f1e [2024-11-13 21:07:33,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:07:33,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:07:33,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:07:33,693 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:07:33,694 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:07:33,696 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b59970-08c4-4065-9c6c-ae7e34541e91/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c Unable to find full path for "g++" [2024-11-13 21:07:35,691 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:07:35,956 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:07:35,957 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b59970-08c4-4065-9c6c-ae7e34541e91/sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c [2024-11-13 21:07:35,972 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b59970-08c4-4065-9c6c-ae7e34541e91/bin/ukojak-verify-EEHR8qb7sm/data/18a3a4171/8b9a56cc91fc472db7324e00cb8d2c9a/FLAGa97df68f3 [2024-11-13 21:07:35,999 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b59970-08c4-4065-9c6c-ae7e34541e91/bin/ukojak-verify-EEHR8qb7sm/data/18a3a4171/8b9a56cc91fc472db7324e00cb8d2c9a [2024-11-13 21:07:36,002 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:07:36,006 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:07:36,008 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:07:36,009 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:07:36,017 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:07:36,018 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:07:36" (1/1) ... [2024-11-13 21:07:36,019 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b431e07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:36, skipping insertion in model container [2024-11-13 21:07:36,019 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:07:36" (1/1) ... [2024-11-13 21:07:36,040 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:07:36,264 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 21:07:36,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:07:36,289 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:07:36,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:07:36,345 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:07:36,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:36 WrapperNode [2024-11-13 21:07:36,346 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:07:36,347 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:07:36,348 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:07:36,348 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:07:36,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:36" (1/1) ... [2024-11-13 21:07:36,372 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:36" (1/1) ... [2024-11-13 21:07:36,398 INFO L138 Inliner]: procedures = 25, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2024-11-13 21:07:36,399 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:07:36,399 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:07:36,399 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:07:36,399 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:07:36,408 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:36" (1/1) ... [2024-11-13 21:07:36,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:36" (1/1) ... [2024-11-13 21:07:36,414 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:36" (1/1) ... [2024-11-13 21:07:36,416 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:36" (1/1) ... [2024-11-13 21:07:36,433 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:36" (1/1) ... [2024-11-13 21:07:36,439 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:36" (1/1) ... [2024-11-13 21:07:36,441 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:36" (1/1) ... [2024-11-13 21:07:36,446 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:36" (1/1) ... [2024-11-13 21:07:36,448 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:07:36,453 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:07:36,453 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:07:36,453 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:07:36,455 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:36" (1/1) ... [2024-11-13 21:07:36,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:07:36,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b59970-08c4-4065-9c6c-ae7e34541e91/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:07:36,494 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b59970-08c4-4065-9c6c-ae7e34541e91/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:07:36,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b59970-08c4-4065-9c6c-ae7e34541e91/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:07:36,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:07:36,533 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-13 21:07:36,533 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-13 21:07:36,533 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-13 21:07:36,533 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-13 21:07:36,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:07:36,533 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:07:36,533 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:07:36,534 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 21:07:36,534 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 21:07:36,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 21:07:36,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 21:07:36,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:07:36,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:07:36,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 21:07:36,536 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 21:07:36,684 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:07:36,686 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:07:37,112 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 21:07:37,113 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:07:37,299 WARN L1754 r$LargeBlockEncoding]: Complex 2:4 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-13 21:07:37,332 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 := ~q_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);~q_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:303) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 21:07:37,338 INFO L158 Benchmark]: Toolchain (without parser) took 1331.58ms. Allocated memory is still 83.9MB. Free memory was 60.9MB in the beginning and 51.8MB in the end (delta: 9.1MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. [2024-11-13 21:07:37,338 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:07:37,338 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.32ms. Allocated memory is still 83.9MB. Free memory was 60.6MB in the beginning and 48.3MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:07:37,339 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.46ms. Allocated memory is still 83.9MB. Free memory was 48.3MB in the beginning and 46.9MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:07:37,339 INFO L158 Benchmark]: Boogie Preprocessor took 53.27ms. Allocated memory is still 83.9MB. Free memory was 46.9MB in the beginning and 45.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:07:37,340 INFO L158 Benchmark]: RCFGBuilder took 882.85ms. Allocated memory is still 83.9MB. Free memory was 45.7MB in the beginning and 51.8MB in the end (delta: -6.2MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2024-11-13 21:07:37,342 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 338.32ms. Allocated memory is still 83.9MB. Free memory was 60.6MB in the beginning and 48.3MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.46ms. Allocated memory is still 83.9MB. Free memory was 48.3MB in the beginning and 46.9MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.27ms. Allocated memory is still 83.9MB. Free memory was 46.9MB in the beginning and 45.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 882.85ms. Allocated memory is still 83.9MB. Free memory was 45.7MB in the beginning and 51.8MB in the end (delta: -6.2MB). Peak memory consumption was 28.7MB. 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 := ~q_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);~q_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 := ~q_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);~q_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. [2024-11-13 21:07:37,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b59970-08c4-4065-9c6c-ae7e34541e91/bin/ukojak-verify-EEHR8qb7sm/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 := ~q_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);~q_back~0 := ~bvadd~32(1bv32, #t~post5);havoc #t~post5;). Is there illegal control flow (e.g. loops) within an atomic block?