./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42af56c0-dbcc-4f20-9f51-429532cf3465/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42af56c0-dbcc-4f20-9f51-429532cf3465/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_42af56c0-dbcc-4f20-9f51-429532cf3465/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42af56c0-dbcc-4f20-9f51-429532cf3465/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42af56c0-dbcc-4f20-9f51-429532cf3465/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_42af56c0-dbcc-4f20-9f51-429532cf3465/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 d2c89f010e0f73e8ba7e81bb150b82b70d39c0827c0d616dd2c3347839d51e01 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:06:09,390 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:06:09,485 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42af56c0-dbcc-4f20-9f51-429532cf3465/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 21:06:09,491 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:06:09,491 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:06:09,538 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:06:09,540 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:06:09,541 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:06:09,541 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:06:09,542 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:06:09,542 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:06:09,544 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:06:09,544 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:06:09,544 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:06:09,544 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:06:09,544 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:06:09,544 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:06:09,544 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:06:09,545 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:06:09,545 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:06:09,545 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:06:09,545 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:06:09,545 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:06:09,545 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:06:09,545 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:06:09,545 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:06:09,546 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:06:09,547 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:06:09,547 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:06:09,547 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:06:09,547 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:06:09,547 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:06:09,547 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:06:09,548 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:06:09,549 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:06:09,549 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_42af56c0-dbcc-4f20-9f51-429532cf3465/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 -> d2c89f010e0f73e8ba7e81bb150b82b70d39c0827c0d616dd2c3347839d51e01 [2024-11-13 21:06:09,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:06:09,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:06:09,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:06:09,976 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:06:09,977 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:06:09,978 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42af56c0-dbcc-4f20-9f51-429532cf3465/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c Unable to find full path for "g++" [2024-11-13 21:06:12,104 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:06:12,380 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:06:12,381 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42af56c0-dbcc-4f20-9f51-429532cf3465/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2024-11-13 21:06:12,389 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42af56c0-dbcc-4f20-9f51-429532cf3465/bin/ukojak-verify-EEHR8qb7sm/data/dfeafdefe/4661beceb6264a309e034a5115d1f2f8/FLAGd4b1223da [2024-11-13 21:06:12,404 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42af56c0-dbcc-4f20-9f51-429532cf3465/bin/ukojak-verify-EEHR8qb7sm/data/dfeafdefe/4661beceb6264a309e034a5115d1f2f8 [2024-11-13 21:06:12,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:06:12,408 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:06:12,409 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:06:12,409 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:06:12,413 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:06:12,414 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:06:12" (1/1) ... [2024-11-13 21:06:12,415 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15e15a20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:12, skipping insertion in model container [2024-11-13 21:06:12,415 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:06:12" (1/1) ... [2024-11-13 21:06:12,432 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:06:12,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:06:12,641 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:06:12,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:06:12,689 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:06:12,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:12 WrapperNode [2024-11-13 21:06:12,689 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:06:12,690 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:06:12,690 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:06:12,691 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:06:12,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:12" (1/1) ... [2024-11-13 21:06:12,705 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:12" (1/1) ... [2024-11-13 21:06:12,722 INFO L138 Inliner]: procedures = 24, calls = 41, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2024-11-13 21:06:12,722 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:06:12,723 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:06:12,723 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:06:12,723 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:06:12,730 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:12" (1/1) ... [2024-11-13 21:06:12,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:12" (1/1) ... [2024-11-13 21:06:12,733 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:12" (1/1) ... [2024-11-13 21:06:12,734 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:12" (1/1) ... [2024-11-13 21:06:12,745 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:12" (1/1) ... [2024-11-13 21:06:12,753 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:12" (1/1) ... [2024-11-13 21:06:12,759 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:12" (1/1) ... [2024-11-13 21:06:12,760 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:12" (1/1) ... [2024-11-13 21:06:12,766 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:06:12,767 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:06:12,770 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:06:12,771 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:06:12,771 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:12" (1/1) ... [2024-11-13 21:06:12,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:06:12,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42af56c0-dbcc-4f20-9f51-429532cf3465/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:06:12,817 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42af56c0-dbcc-4f20-9f51-429532cf3465/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:06:12,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42af56c0-dbcc-4f20-9f51-429532cf3465/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:06:12,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:06:12,855 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-13 21:06:12,855 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-13 21:06:12,855 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-13 21:06:12,855 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-13 21:06:12,855 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-13 21:06:12,855 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-13 21:06:12,855 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:06:12,856 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:06:12,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:06:12,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:06:12,856 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-11-13 21:06:12,857 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-11-13 21:06:12,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 21:06:12,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 21:06:12,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 21:06:12,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:06:12,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:06:12,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:06:12,861 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 21:06:13,036 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:06:13,039 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:06:13,604 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 21:06:13,604 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:06:13,799 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 21:06:13,841 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem4;#t~post5 := ~q1_back~0;assume 1 + #t~post5 >= -2147483648;assume 1 + #t~post5 <= 2147483647;~q1_back~0 := 1 + #t~post5;havoc #t~post5;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java: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 21:06:13,847 INFO L158 Benchmark]: Toolchain (without parser) took 1437.98ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 69.9MB in the end (delta: 48.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-13 21:06:13,847 INFO L158 Benchmark]: CDTParser took 1.39ms. Allocated memory is still 167.8MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:06:13,848 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.43ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 106.3MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:06:13,848 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.02ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 104.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:06:13,849 INFO L158 Benchmark]: Boogie Preprocessor took 43.22ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 103.7MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:06:13,851 INFO L158 Benchmark]: RCFGBuilder took 1078.38ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 69.9MB in the end (delta: 33.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 21:06:13,856 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.39ms. Allocated memory is still 167.8MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.43ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 106.3MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.02ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 104.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.22ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 103.7MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1078.38ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 69.9MB in the end (delta: 33.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem4;#t~post5 := ~q1_back~0;assume 1 + #t~post5 >= -2147483648;assume 1 + #t~post5 <= 2147483647;~q1_back~0 := 1 + #t~post5;havoc #t~post5;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem4;#t~post5 := ~q1_back~0;assume 1 + #t~post5 >= -2147483648;assume 1 + #t~post5 <= 2147483647;~q1_back~0 := 1 + #t~post5;havoc #t~post5;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:06:13,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42af56c0-dbcc-4f20-9f51-429532cf3465/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_42af56c0-dbcc-4f20-9f51-429532cf3465/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42af56c0-dbcc-4f20-9f51-429532cf3465/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_42af56c0-dbcc-4f20-9f51-429532cf3465/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42af56c0-dbcc-4f20-9f51-429532cf3465/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42af56c0-dbcc-4f20-9f51-429532cf3465/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_42af56c0-dbcc-4f20-9f51-429532cf3465/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 d2c89f010e0f73e8ba7e81bb150b82b70d39c0827c0d616dd2c3347839d51e01 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:06:16,947 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:06:17,092 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42af56c0-dbcc-4f20-9f51-429532cf3465/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-11-13 21:06:17,146 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:06:17,147 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:06:17,147 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:06:17,148 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:06:17,148 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:06:17,148 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:06:17,148 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:06:17,148 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:06:17,149 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:06:17,149 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:06:17,149 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:06:17,149 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:06:17,149 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:06:17,149 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:06:17,149 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:06:17,150 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:06:17,150 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:06:17,150 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:06:17,150 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:06:17,150 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:06:17,150 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:06:17,151 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:06:17,151 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:06:17,151 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:06:17,151 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:06:17,151 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:06:17,151 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:06:17,151 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:06:17,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:06:17,152 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:06:17,152 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:06:17,152 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:06:17,152 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:06:17,152 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:06:17,153 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:06:17,153 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_42af56c0-dbcc-4f20-9f51-429532cf3465/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 -> d2c89f010e0f73e8ba7e81bb150b82b70d39c0827c0d616dd2c3347839d51e01 [2024-11-13 21:06:17,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:06:17,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:06:17,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:06:17,439 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:06:17,440 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:06:17,441 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42af56c0-dbcc-4f20-9f51-429532cf3465/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c Unable to find full path for "g++" [2024-11-13 21:06:19,476 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:06:19,894 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:06:19,895 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42af56c0-dbcc-4f20-9f51-429532cf3465/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2024-11-13 21:06:19,910 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42af56c0-dbcc-4f20-9f51-429532cf3465/bin/ukojak-verify-EEHR8qb7sm/data/df2b03480/bb15dd22883c4edbb582070508a196d3/FLAG3598f0d40 [2024-11-13 21:06:19,945 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42af56c0-dbcc-4f20-9f51-429532cf3465/bin/ukojak-verify-EEHR8qb7sm/data/df2b03480/bb15dd22883c4edbb582070508a196d3 [2024-11-13 21:06:19,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:06:19,951 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:06:19,956 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:06:19,957 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:06:19,967 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:06:19,968 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:06:19" (1/1) ... [2024-11-13 21:06:19,969 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f915c47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:19, skipping insertion in model container [2024-11-13 21:06:19,970 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:06:19" (1/1) ... [2024-11-13 21:06:19,999 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:06:20,291 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 21:06:20,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:06:20,315 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:06:20,368 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:06:20,387 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:06:20,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:20 WrapperNode [2024-11-13 21:06:20,388 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:06:20,389 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:06:20,389 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:06:20,390 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:06:20,397 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:20" (1/1) ... [2024-11-13 21:06:20,410 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:20" (1/1) ... [2024-11-13 21:06:20,434 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73 [2024-11-13 21:06:20,438 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:06:20,438 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:06:20,438 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:06:20,438 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:06:20,446 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:20" (1/1) ... [2024-11-13 21:06:20,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:20" (1/1) ... [2024-11-13 21:06:20,455 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:20" (1/1) ... [2024-11-13 21:06:20,455 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:20" (1/1) ... [2024-11-13 21:06:20,472 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:20" (1/1) ... [2024-11-13 21:06:20,479 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:20" (1/1) ... [2024-11-13 21:06:20,484 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:20" (1/1) ... [2024-11-13 21:06:20,486 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:20" (1/1) ... [2024-11-13 21:06:20,492 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:06:20,493 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:06:20,493 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:06:20,493 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:06:20,494 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:06:20" (1/1) ... [2024-11-13 21:06:20,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:06:20,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42af56c0-dbcc-4f20-9f51-429532cf3465/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:06:20,539 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42af56c0-dbcc-4f20-9f51-429532cf3465/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:06:20,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42af56c0-dbcc-4f20-9f51-429532cf3465/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:06:20,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:06:20,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:06:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-11-13 21:06:20,574 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-11-13 21:06:20,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 21:06:20,575 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-13 21:06:20,575 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-13 21:06:20,575 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-13 21:06:20,575 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-13 21:06:20,575 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-13 21:06:20,575 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-13 21:06:20,575 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:06:20,575 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:06:20,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 21:06:20,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 21:06:20,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 21:06:20,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:06:20,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:06:20,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 21:06:20,578 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 21:06:20,740 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:06:20,742 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:06:21,230 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 21:06:21,231 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:06:21,401 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 21:06:21,450 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem4;#t~post5 := ~q1_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post5);havoc #t~post5;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java: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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 21:06:21,459 INFO L158 Benchmark]: Toolchain (without parser) took 1504.95ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 36.4MB in the end (delta: 55.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-13 21:06:21,460 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:06:21,461 INFO L158 Benchmark]: CACSL2BoogieTranslator took 432.47ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 78.4MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:06:21,461 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.45ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 77.1MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:06:21,462 INFO L158 Benchmark]: Boogie Preprocessor took 54.32ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 75.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:06:21,465 INFO L158 Benchmark]: RCFGBuilder took 961.38ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 36.4MB in the end (delta: 39.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 21:06:21,468 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 432.47ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 78.4MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.45ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 77.1MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.32ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 75.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 961.38ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 36.4MB in the end (delta: 39.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem4;#t~post5 := ~q1_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post5);havoc #t~post5;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem4;#t~post5 := ~q1_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post5);havoc #t~post5;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:06:21,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42af56c0-dbcc-4f20-9f51-429532cf3465/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~mem4;#t~post5 := ~q1_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post5);havoc #t~post5;). Is there illegal control flow (e.g. loops) within an atomic block?