./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-simple-queue.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_e6808bf0-6d3a-4a39-859b-7167869ae99b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6808bf0-6d3a-4a39-859b-7167869ae99b/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_e6808bf0-6d3a-4a39-859b-7167869ae99b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6808bf0-6d3a-4a39-859b-7167869ae99b/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6808bf0-6d3a-4a39-859b-7167869ae99b/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_e6808bf0-6d3a-4a39-859b-7167869ae99b/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 608e0c2870f111f9f6921442a1f1a544ee956a8de04c7629c0edf3e54cde4da3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:47:20,536 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:47:20,631 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6808bf0-6d3a-4a39-859b-7167869ae99b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 22:47:20,639 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:47:20,639 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:47:20,673 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:47:20,674 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:47:20,674 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:47:20,675 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:47:20,675 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:47:20,675 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:47:20,675 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:47:20,675 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:47:20,675 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:47:20,676 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:47:20,676 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:47:20,676 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:47:20,676 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:47:20,676 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:47:20,676 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:47:20,676 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:47:20,678 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:47:20,678 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:47:20,678 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:47:20,678 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:47:20,679 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:47:20,679 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:47:20,679 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:47:20,679 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:47:20,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:47:20,679 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:47:20,679 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:47:20,679 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:47:20,679 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:47:20,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:47:20,680 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_e6808bf0-6d3a-4a39-859b-7167869ae99b/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 -> 608e0c2870f111f9f6921442a1f1a544ee956a8de04c7629c0edf3e54cde4da3 [2024-11-13 22:47:20,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:47:20,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:47:20,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:47:20,978 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:47:20,980 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:47:20,981 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6808bf0-6d3a-4a39-859b-7167869ae99b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c Unable to find full path for "g++" [2024-11-13 22:47:22,854 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:47:23,147 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:47:23,148 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6808bf0-6d3a-4a39-859b-7167869ae99b/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c [2024-11-13 22:47:23,157 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6808bf0-6d3a-4a39-859b-7167869ae99b/bin/ukojak-verify-EEHR8qb7sm/data/6f129b332/fe521a9ad50d45499606d321cbddd451/FLAGdbb869f58 [2024-11-13 22:47:23,179 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6808bf0-6d3a-4a39-859b-7167869ae99b/bin/ukojak-verify-EEHR8qb7sm/data/6f129b332/fe521a9ad50d45499606d321cbddd451 [2024-11-13 22:47:23,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:47:23,184 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:47:23,186 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:47:23,186 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:47:23,195 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:47:23,196 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:47:23" (1/1) ... [2024-11-13 22:47:23,197 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8b7a1ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:23, skipping insertion in model container [2024-11-13 22:47:23,197 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:47:23" (1/1) ... [2024-11-13 22:47:23,216 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:47:23,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:47:23,437 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:47:23,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:47:23,490 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:47:23,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:23 WrapperNode [2024-11-13 22:47:23,491 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:47:23,492 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:47:23,492 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:47:23,492 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:47:23,499 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:23" (1/1) ... [2024-11-13 22:47:23,510 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:23" (1/1) ... [2024-11-13 22:47:23,535 INFO L138 Inliner]: procedures = 23, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2024-11-13 22:47:23,536 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:47:23,537 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:47:23,537 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:47:23,537 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:47:23,545 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:23" (1/1) ... [2024-11-13 22:47:23,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:23" (1/1) ... [2024-11-13 22:47:23,549 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:23" (1/1) ... [2024-11-13 22:47:23,550 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:23" (1/1) ... [2024-11-13 22:47:23,561 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:23" (1/1) ... [2024-11-13 22:47:23,568 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:23" (1/1) ... [2024-11-13 22:47:23,569 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:23" (1/1) ... [2024-11-13 22:47:23,570 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:23" (1/1) ... [2024-11-13 22:47:23,576 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:47:23,577 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:47:23,577 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:47:23,577 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:47:23,578 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:23" (1/1) ... [2024-11-13 22:47:23,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:47:23,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6808bf0-6d3a-4a39-859b-7167869ae99b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:47:23,619 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6808bf0-6d3a-4a39-859b-7167869ae99b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:47:23,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6808bf0-6d3a-4a39-859b-7167869ae99b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:47:23,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:47:23,650 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-13 22:47:23,650 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-13 22:47:23,651 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-13 22:47:23,651 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-13 22:47:23,651 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 22:47:23,651 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 22:47:23,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:47:23,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:47:23,651 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 22:47:23,651 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 22:47:23,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 22:47:23,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:47:23,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:47:23,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:47:23,654 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 22:47:23,754 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:47:23,756 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:47:23,979 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 22:47:23,979 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:47:24,137 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 22:47:24,201 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~mem2;#t~post3 := ~back~0;assume 1 + #t~post3 >= -2147483648;assume 1 + #t~post3 <= 2147483647;~back~0 := 1 + #t~post3;havoc #t~post3;). 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 22:47:24,211 INFO L158 Benchmark]: Toolchain (without parser) took 1022.66ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 77.0MB in the end (delta: 40.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 22:47:24,212 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:47:24,212 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.95ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 105.7MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:47:24,212 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.50ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 104.4MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:47:24,213 INFO L158 Benchmark]: Boogie Preprocessor took 39.28ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 103.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:47:24,213 INFO L158 Benchmark]: RCFGBuilder took 628.80ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 77.0MB in the end (delta: 26.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 22:47:24,216 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.95ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 105.7MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.50ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 104.4MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.28ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 103.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 628.80ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 77.0MB in the end (delta: 26.3MB). 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~mem2;#t~post3 := ~back~0;assume 1 + #t~post3 >= -2147483648;assume 1 + #t~post3 <= 2147483647;~back~0 := 1 + #t~post3;havoc #t~post3;). 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~mem2;#t~post3 := ~back~0;assume 1 + #t~post3 >= -2147483648;assume 1 + #t~post3 <= 2147483647;~back~0 := 1 + #t~post3;havoc #t~post3;). 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 22:47:24,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6808bf0-6d3a-4a39-859b-7167869ae99b/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_e6808bf0-6d3a-4a39-859b-7167869ae99b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6808bf0-6d3a-4a39-859b-7167869ae99b/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_e6808bf0-6d3a-4a39-859b-7167869ae99b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6808bf0-6d3a-4a39-859b-7167869ae99b/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6808bf0-6d3a-4a39-859b-7167869ae99b/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_e6808bf0-6d3a-4a39-859b-7167869ae99b/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 608e0c2870f111f9f6921442a1f1a544ee956a8de04c7629c0edf3e54cde4da3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:47:26,816 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:47:26,960 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6808bf0-6d3a-4a39-859b-7167869ae99b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-11-13 22:47:27,011 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:47:27,011 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:47:27,012 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:47:27,012 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:47:27,012 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:47:27,012 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:47:27,012 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:47:27,013 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:47:27,013 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:47:27,013 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:47:27,013 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:47:27,013 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:47:27,013 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:47:27,013 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:47:27,013 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:47:27,015 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:47:27,015 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:47:27,015 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:47:27,015 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:47:27,016 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:47:27,016 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:47:27,016 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:47:27,016 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:47:27,016 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:47:27,016 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:47:27,016 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:47:27,017 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:47:27,017 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:47:27,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:47:27,017 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:47:27,017 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:47:27,018 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:47:27,018 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:47:27,018 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:47:27,018 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:47:27,018 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_e6808bf0-6d3a-4a39-859b-7167869ae99b/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 -> 608e0c2870f111f9f6921442a1f1a544ee956a8de04c7629c0edf3e54cde4da3 [2024-11-13 22:47:27,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:47:27,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:47:27,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:47:27,377 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:47:27,378 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:47:27,379 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6808bf0-6d3a-4a39-859b-7167869ae99b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c Unable to find full path for "g++" [2024-11-13 22:47:29,232 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:47:29,476 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:47:29,480 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6808bf0-6d3a-4a39-859b-7167869ae99b/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c [2024-11-13 22:47:29,493 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6808bf0-6d3a-4a39-859b-7167869ae99b/bin/ukojak-verify-EEHR8qb7sm/data/4e9491dd1/947a0c26e23d4ff2875a1469c32dd74e/FLAG42b2146c1 [2024-11-13 22:47:29,518 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6808bf0-6d3a-4a39-859b-7167869ae99b/bin/ukojak-verify-EEHR8qb7sm/data/4e9491dd1/947a0c26e23d4ff2875a1469c32dd74e [2024-11-13 22:47:29,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:47:29,523 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:47:29,526 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:47:29,527 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:47:29,532 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:47:29,533 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:47:29" (1/1) ... [2024-11-13 22:47:29,534 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40d56fd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:29, skipping insertion in model container [2024-11-13 22:47:29,534 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:47:29" (1/1) ... [2024-11-13 22:47:29,554 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:47:29,787 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 22:47:29,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:47:29,815 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:47:29,850 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:47:29,869 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:47:29,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:29 WrapperNode [2024-11-13 22:47:29,870 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:47:29,871 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:47:29,871 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:47:29,871 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:47:29,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:29" (1/1) ... [2024-11-13 22:47:29,889 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:29" (1/1) ... [2024-11-13 22:47:29,918 INFO L138 Inliner]: procedures = 25, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2024-11-13 22:47:29,918 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:47:29,919 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:47:29,919 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:47:29,919 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:47:29,928 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:29" (1/1) ... [2024-11-13 22:47:29,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:29" (1/1) ... [2024-11-13 22:47:29,931 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:29" (1/1) ... [2024-11-13 22:47:29,932 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:29" (1/1) ... [2024-11-13 22:47:29,939 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:29" (1/1) ... [2024-11-13 22:47:29,947 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:29" (1/1) ... [2024-11-13 22:47:29,953 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:29" (1/1) ... [2024-11-13 22:47:29,954 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:29" (1/1) ... [2024-11-13 22:47:29,956 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:47:29,961 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:47:29,961 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:47:29,961 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:47:29,962 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:29" (1/1) ... [2024-11-13 22:47:29,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:47:29,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6808bf0-6d3a-4a39-859b-7167869ae99b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:47:30,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6808bf0-6d3a-4a39-859b-7167869ae99b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:47:30,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6808bf0-6d3a-4a39-859b-7167869ae99b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:47:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:47:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-13 22:47:30,038 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-13 22:47:30,038 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-13 22:47:30,039 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-13 22:47:30,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:47:30,039 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 22:47:30,039 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 22:47:30,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 22:47:30,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 22:47:30,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 22:47:30,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 22:47:30,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:47:30,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:47:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 22:47:30,041 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 22:47:30,153 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:47:30,155 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:47:30,484 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 22:47:30,484 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:47:30,702 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 22:47:30,751 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~mem2;#t~post3 := ~back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)), 2147483647bv33);~back~0 := ~bvadd~32(1bv32, #t~post3);havoc #t~post3;). 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 22:47:30,758 INFO L158 Benchmark]: Toolchain (without parser) took 1234.01ms. Allocated memory is still 83.9MB. Free memory was 60.8MB in the beginning and 53.5MB in the end (delta: 7.3MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. [2024-11-13 22:47:30,759 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory was 65.3MB in the beginning and 65.2MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:47:30,759 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.27ms. Allocated memory is still 83.9MB. Free memory was 60.8MB in the beginning and 48.7MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:47:30,759 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.86ms. Allocated memory is still 83.9MB. Free memory was 48.7MB in the beginning and 47.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:47:30,760 INFO L158 Benchmark]: Boogie Preprocessor took 41.84ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 46.0MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:47:30,760 INFO L158 Benchmark]: RCFGBuilder took 795.18ms. Allocated memory is still 83.9MB. Free memory was 46.0MB in the beginning and 53.5MB in the end (delta: -7.6MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2024-11-13 22:47:30,762 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory was 65.3MB in the beginning and 65.2MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 344.27ms. Allocated memory is still 83.9MB. Free memory was 60.8MB in the beginning and 48.7MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.86ms. Allocated memory is still 83.9MB. Free memory was 48.7MB in the beginning and 47.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.84ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 46.0MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 795.18ms. Allocated memory is still 83.9MB. Free memory was 46.0MB in the beginning and 53.5MB in the end (delta: -7.6MB). Peak memory consumption was 29.2MB. 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~mem2;#t~post3 := ~back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)), 2147483647bv33);~back~0 := ~bvadd~32(1bv32, #t~post3);havoc #t~post3;). 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~mem2;#t~post3 := ~back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)), 2147483647bv33);~back~0 := ~bvadd~32(1bv32, #t~post3);havoc #t~post3;). 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 22:47:30,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6808bf0-6d3a-4a39-859b-7167869ae99b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem2;#t~post3 := ~back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)), 2147483647bv33);~back~0 := ~bvadd~32(1bv32, #t~post3);havoc #t~post3;). Is there illegal control flow (e.g. loops) within an atomic block?