./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380f7591-4a73-4f0d-8283-2285915ce585/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380f7591-4a73-4f0d-8283-2285915ce585/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380f7591-4a73-4f0d-8283-2285915ce585/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380f7591-4a73-4f0d-8283-2285915ce585/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380f7591-4a73-4f0d-8283-2285915ce585/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380f7591-4a73-4f0d-8283-2285915ce585/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 613bf9314e4e3fb6e64527ec38c7e6b39400e524de37a5103e9f06d9db406d3d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:49:51,259 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:49:51,315 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380f7591-4a73-4f0d-8283-2285915ce585/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 02:49:51,319 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:49:51,319 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:49:51,338 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:49:51,338 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:49:51,338 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:49:51,339 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:49:51,339 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:49:51,339 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:49:51,339 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:49:51,339 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:49:51,339 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:49:51,339 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:49:51,340 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:49:51,340 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:49:51,340 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:49:51,340 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:49:51,340 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 02:49:51,340 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:49:51,340 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:49:51,340 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:49:51,340 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:49:51,340 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:49:51,340 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:49:51,340 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:49:51,340 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:49:51,341 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:49:51,341 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:49:51,341 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:49:51,341 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:49:51,341 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:49:51,341 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:49:51,341 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:49:51,341 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_380f7591-4a73-4f0d-8283-2285915ce585/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 613bf9314e4e3fb6e64527ec38c7e6b39400e524de37a5103e9f06d9db406d3d [2024-12-06 02:49:51,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:49:51,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:49:51,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:49:51,584 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:49:51,584 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:49:51,586 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380f7591-4a73-4f0d-8283-2285915ce585/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2024-12-06 02:49:54,183 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380f7591-4a73-4f0d-8283-2285915ce585/bin/ukojak-verify-CZk0znPC7b/data/72ba0c4e3/db8c5c2c506149938d78ef171a5ea8af/FLAG45a1743db [2024-12-06 02:49:54,384 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:49:54,385 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380f7591-4a73-4f0d-8283-2285915ce585/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2024-12-06 02:49:54,391 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380f7591-4a73-4f0d-8283-2285915ce585/bin/ukojak-verify-CZk0znPC7b/data/72ba0c4e3/db8c5c2c506149938d78ef171a5ea8af/FLAG45a1743db [2024-12-06 02:49:54,747 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380f7591-4a73-4f0d-8283-2285915ce585/bin/ukojak-verify-CZk0znPC7b/data/72ba0c4e3/db8c5c2c506149938d78ef171a5ea8af [2024-12-06 02:49:54,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:49:54,750 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:49:54,751 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:49:54,751 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:49:54,754 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:49:54,755 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:49:54" (1/1) ... [2024-12-06 02:49:54,755 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53ed8c3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:49:54, skipping insertion in model container [2024-12-06 02:49:54,756 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:49:54" (1/1) ... [2024-12-06 02:49:54,768 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:49:54,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:49:54,939 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:49:54,963 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:49:54,979 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:49:54,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:49:54 WrapperNode [2024-12-06 02:49:54,979 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:49:54,980 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:49:54,980 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:49:54,980 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:49:54,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:49:54" (1/1) ... [2024-12-06 02:49:54,994 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:49:54" (1/1) ... [2024-12-06 02:49:55,010 INFO L138 Inliner]: procedures = 24, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 81 [2024-12-06 02:49:55,010 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:49:55,011 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:49:55,011 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:49:55,011 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:49:55,018 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:49:54" (1/1) ... [2024-12-06 02:49:55,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:49:54" (1/1) ... [2024-12-06 02:49:55,021 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:49:54" (1/1) ... [2024-12-06 02:49:55,021 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:49:54" (1/1) ... [2024-12-06 02:49:55,027 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:49:54" (1/1) ... [2024-12-06 02:49:55,028 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:49:54" (1/1) ... [2024-12-06 02:49:55,031 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:49:54" (1/1) ... [2024-12-06 02:49:55,033 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:49:54" (1/1) ... [2024-12-06 02:49:55,033 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:49:54" (1/1) ... [2024-12-06 02:49:55,035 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:49:55,036 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:49:55,036 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:49:55,036 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:49:55,037 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:49:54" (1/1) ... [2024-12-06 02:49:55,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:49:55,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380f7591-4a73-4f0d-8283-2285915ce585/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:49:55,066 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380f7591-4a73-4f0d-8283-2285915ce585/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:49:55,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380f7591-4a73-4f0d-8283-2285915ce585/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:49:55,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:49:55,093 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-06 02:49:55,093 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-06 02:49:55,093 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-06 02:49:55,093 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-06 02:49:55,093 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 02:49:55,093 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 02:49:55,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:49:55,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 02:49:55,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 02:49:55,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 02:49:55,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 02:49:55,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:49:55,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:49:55,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 02:49:55,095 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-06 02:49:55,176 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:49:55,177 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:49:55,388 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 02:49:55,389 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:49:55,474 WARN L170 LargeBlockEncoding]: Complex 2:4 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-12-06 02:49:55,503 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~mem1;#t~post2 := ~q_back~0;assume 1 + #t~post2 >= -2147483648;assume 1 + #t~post2 <= 2147483647;~q_back~0 := 1 + #t~post2;havoc #t~post2;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 02:49:55,508 INFO L158 Benchmark]: Toolchain (without parser) took 757.26ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 73.9MB in the end (delta: 43.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 02:49:55,509 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory was 82.3MB in the beginning and 82.3MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:49:55,509 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.70ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 105.3MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:49:55,509 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.99ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 104.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:49:55,510 INFO L158 Benchmark]: Boogie Preprocessor took 24.71ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 102.9MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:49:55,510 INFO L158 Benchmark]: RCFGBuilder took 470.50ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 73.9MB in the end (delta: 29.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:49:55,512 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory was 82.3MB in the beginning and 82.3MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 228.70ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 105.3MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.99ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 104.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.71ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 102.9MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 470.50ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 73.9MB in the end (delta: 29.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem1;#t~post2 := ~q_back~0;assume 1 + #t~post2 >= -2147483648;assume 1 + #t~post2 <= 2147483647;~q_back~0 := 1 + #t~post2;havoc #t~post2;). 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~mem1;#t~post2 := ~q_back~0;assume 1 + #t~post2 >= -2147483648;assume 1 + #t~post2 <= 2147483647;~q_back~0 := 1 + #t~post2;havoc #t~post2;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 02:49:55,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380f7591-4a73-4f0d-8283-2285915ce585/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380f7591-4a73-4f0d-8283-2285915ce585/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380f7591-4a73-4f0d-8283-2285915ce585/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380f7591-4a73-4f0d-8283-2285915ce585/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380f7591-4a73-4f0d-8283-2285915ce585/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380f7591-4a73-4f0d-8283-2285915ce585/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380f7591-4a73-4f0d-8283-2285915ce585/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 613bf9314e4e3fb6e64527ec38c7e6b39400e524de37a5103e9f06d9db406d3d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:49:57,451 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:49:57,530 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380f7591-4a73-4f0d-8283-2285915ce585/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-12-06 02:49:57,557 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:49:57,558 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:49:57,558 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:49:57,558 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:49:57,558 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:49:57,558 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:49:57,559 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:49:57,559 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:49:57,559 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:49:57,559 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:49:57,559 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:49:57,559 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:49:57,559 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:49:57,559 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:49:57,559 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:49:57,559 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 02:49:57,559 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:49:57,560 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:49:57,560 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:49:57,560 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:49:57,560 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:49:57,560 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:49:57,560 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:49:57,560 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:49:57,560 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:49:57,560 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:49:57,560 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:49:57,561 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:49:57,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:49:57,561 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:49:57,561 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:49:57,561 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:49:57,561 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:49:57,561 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:49:57,561 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:49:57,561 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_380f7591-4a73-4f0d-8283-2285915ce585/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 613bf9314e4e3fb6e64527ec38c7e6b39400e524de37a5103e9f06d9db406d3d [2024-12-06 02:49:57,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:49:57,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:49:57,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:49:57,819 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:49:57,820 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:49:57,821 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380f7591-4a73-4f0d-8283-2285915ce585/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2024-12-06 02:50:00,554 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380f7591-4a73-4f0d-8283-2285915ce585/bin/ukojak-verify-CZk0znPC7b/data/769966986/1e1c28019920405caa5e301a5b0b63df/FLAGf8d142245 [2024-12-06 02:50:00,733 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:50:00,733 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380f7591-4a73-4f0d-8283-2285915ce585/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2024-12-06 02:50:00,741 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380f7591-4a73-4f0d-8283-2285915ce585/bin/ukojak-verify-CZk0znPC7b/data/769966986/1e1c28019920405caa5e301a5b0b63df/FLAGf8d142245 [2024-12-06 02:50:00,756 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380f7591-4a73-4f0d-8283-2285915ce585/bin/ukojak-verify-CZk0znPC7b/data/769966986/1e1c28019920405caa5e301a5b0b63df [2024-12-06 02:50:00,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:50:00,760 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:50:00,761 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:50:00,761 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:50:00,766 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:50:00,766 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:50:00" (1/1) ... [2024-12-06 02:50:00,767 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54e3e46a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:50:00, skipping insertion in model container [2024-12-06 02:50:00,767 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:50:00" (1/1) ... [2024-12-06 02:50:00,783 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:50:00,950 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 02:50:00,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:50:00,964 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:50:00,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:50:01,006 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:50:01,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:50:01 WrapperNode [2024-12-06 02:50:01,006 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:50:01,007 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:50:01,007 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:50:01,007 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:50:01,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:50:01" (1/1) ... [2024-12-06 02:50:01,022 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:50:01" (1/1) ... [2024-12-06 02:50:01,038 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 77 [2024-12-06 02:50:01,038 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:50:01,038 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:50:01,039 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:50:01,039 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:50:01,045 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:50:01" (1/1) ... [2024-12-06 02:50:01,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:50:01" (1/1) ... [2024-12-06 02:50:01,048 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:50:01" (1/1) ... [2024-12-06 02:50:01,049 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:50:01" (1/1) ... [2024-12-06 02:50:01,056 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:50:01" (1/1) ... [2024-12-06 02:50:01,057 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:50:01" (1/1) ... [2024-12-06 02:50:01,060 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:50:01" (1/1) ... [2024-12-06 02:50:01,062 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:50:01" (1/1) ... [2024-12-06 02:50:01,063 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:50:01" (1/1) ... [2024-12-06 02:50:01,065 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:50:01,066 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:50:01,066 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:50:01,066 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:50:01,067 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:50:01" (1/1) ... [2024-12-06 02:50:01,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:50:01,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380f7591-4a73-4f0d-8283-2285915ce585/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:50:01,096 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380f7591-4a73-4f0d-8283-2285915ce585/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:50:01,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380f7591-4a73-4f0d-8283-2285915ce585/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:50:01,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:50:01,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 02:50:01,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 02:50:01,128 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-06 02:50:01,128 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-06 02:50:01,129 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-06 02:50:01,129 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-06 02:50:01,129 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 02:50:01,129 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 02:50:01,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 02:50:01,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 02:50:01,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 02:50:01,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:50:01,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:50:01,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 02:50:01,130 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-06 02:50:01,228 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:50:01,230 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:50:01,509 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 02:50:01,509 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:50:01,612 WARN L170 LargeBlockEncoding]: Complex 2:4 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-12-06 02:50:01,637 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~mem1;#t~post2 := ~q_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post2)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post2)), 2147483647bv33);~q_back~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 02:50:01,643 INFO L158 Benchmark]: Toolchain (without parser) took 882.68ms. Allocated memory is still 92.3MB. Free memory was 70.4MB in the beginning and 52.5MB in the end (delta: 17.8MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2024-12-06 02:50:01,643 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:50:01,643 INFO L158 Benchmark]: CACSL2BoogieTranslator took 245.53ms. Allocated memory is still 92.3MB. Free memory was 70.2MB in the beginning and 57.5MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:50:01,644 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.75ms. Allocated memory is still 92.3MB. Free memory was 57.5MB in the beginning and 56.2MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:50:01,644 INFO L158 Benchmark]: Boogie Preprocessor took 26.87ms. Allocated memory is still 92.3MB. Free memory was 56.1MB in the beginning and 54.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:50:01,645 INFO L158 Benchmark]: RCFGBuilder took 575.54ms. Allocated memory is still 92.3MB. Free memory was 54.8MB in the beginning and 52.5MB in the end (delta: 2.2MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-12-06 02:50:01,647 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 245.53ms. Allocated memory is still 92.3MB. Free memory was 70.2MB in the beginning and 57.5MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.75ms. Allocated memory is still 92.3MB. Free memory was 57.5MB in the beginning and 56.2MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.87ms. Allocated memory is still 92.3MB. Free memory was 56.1MB in the beginning and 54.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 575.54ms. Allocated memory is still 92.3MB. Free memory was 54.8MB in the beginning and 52.5MB in the end (delta: 2.2MB). Peak memory consumption was 20.0MB. 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~mem1;#t~post2 := ~q_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post2)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post2)), 2147483647bv33);~q_back~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;). 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~mem1;#t~post2 := ~q_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post2)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post2)), 2147483647bv33);~q_back~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 02:50:01,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380f7591-4a73-4f0d-8283-2285915ce585/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem1;#t~post2 := ~q_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post2)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post2)), 2147483647bv33);~q_back~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;). Is there illegal control flow (e.g. loops) within an atomic block?