./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-buffer-series3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf6105-c3b3-42d7-894c-0d5c2a8d952e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf6105-c3b3-42d7-894c-0d5c2a8d952e/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf6105-c3b3-42d7-894c-0d5c2a8d952e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf6105-c3b3-42d7-894c-0d5c2a8d952e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-series3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf6105-c3b3-42d7-894c-0d5c2a8d952e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf6105-c3b3-42d7-894c-0d5c2a8d952e/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c031a4ce44fce05276ee0c322906dbff86776176e55e116d257d2b83e85a253c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:39:39,970 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:39:40,035 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf6105-c3b3-42d7-894c-0d5c2a8d952e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 19:39:40,039 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:39:40,039 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:39:40,073 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:39:40,076 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:39:40,077 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:39:40,077 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:39:40,078 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:39:40,078 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:39:40,079 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:39:40,079 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:39:40,079 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:39:40,081 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:39:40,081 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:39:40,083 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:39:40,084 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:39:40,084 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:39:40,084 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:39:40,085 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:39:40,089 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:39:40,089 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:39:40,089 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:39:40,090 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:39:40,090 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:39:40,090 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:39:40,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:39:40,091 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:39:40,091 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:39:40,091 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:39:40,091 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:39:40,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:39:40,092 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf6105-c3b3-42d7-894c-0d5c2a8d952e/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf6105-c3b3-42d7-894c-0d5c2a8d952e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c031a4ce44fce05276ee0c322906dbff86776176e55e116d257d2b83e85a253c [2024-11-08 19:39:40,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:39:40,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:39:40,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:39:40,424 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:39:40,425 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:39:40,426 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf6105-c3b3-42d7-894c-0d5c2a8d952e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/weaver/popl20-more-buffer-series3.wvr.c Unable to find full path for "g++" [2024-11-08 19:39:42,626 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:39:42,899 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:39:42,900 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf6105-c3b3-42d7-894c-0d5c2a8d952e/sv-benchmarks/c/weaver/popl20-more-buffer-series3.wvr.c [2024-11-08 19:39:42,912 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf6105-c3b3-42d7-894c-0d5c2a8d952e/bin/ukojak-verify-ImItNfHLgk/data/24954dabc/aa79441996b04ab2af9751e81ea75346/FLAG54daf6680 [2024-11-08 19:39:42,928 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf6105-c3b3-42d7-894c-0d5c2a8d952e/bin/ukojak-verify-ImItNfHLgk/data/24954dabc/aa79441996b04ab2af9751e81ea75346 [2024-11-08 19:39:42,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:39:42,932 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:39:42,934 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:39:42,934 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:39:42,939 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:39:42,940 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:39:42" (1/1) ... [2024-11-08 19:39:42,941 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2af6b3f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:42, skipping insertion in model container [2024-11-08 19:39:42,942 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:39:42" (1/1) ... [2024-11-08 19:39:42,979 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:39:43,208 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf6105-c3b3-42d7-894c-0d5c2a8d952e/sv-benchmarks/c/weaver/popl20-more-buffer-series3.wvr.c[4403,4416] [2024-11-08 19:39:43,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:39:43,239 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:39:43,276 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf6105-c3b3-42d7-894c-0d5c2a8d952e/sv-benchmarks/c/weaver/popl20-more-buffer-series3.wvr.c[4403,4416] [2024-11-08 19:39:43,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:39:43,297 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:39:43,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:43 WrapperNode [2024-11-08 19:39:43,298 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:39:43,299 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:39:43,299 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:39:43,299 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:39:43,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:43" (1/1) ... [2024-11-08 19:39:43,315 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:43" (1/1) ... [2024-11-08 19:39:43,337 INFO L138 Inliner]: procedures = 26, calls = 67, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 89 [2024-11-08 19:39:43,337 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:39:43,338 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:39:43,338 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:39:43,338 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:39:43,348 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:43" (1/1) ... [2024-11-08 19:39:43,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:43" (1/1) ... [2024-11-08 19:39:43,352 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:43" (1/1) ... [2024-11-08 19:39:43,353 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:43" (1/1) ... [2024-11-08 19:39:43,363 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:43" (1/1) ... [2024-11-08 19:39:43,368 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:43" (1/1) ... [2024-11-08 19:39:43,370 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:43" (1/1) ... [2024-11-08 19:39:43,371 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:43" (1/1) ... [2024-11-08 19:39:43,374 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:39:43,375 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:39:43,376 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:39:43,376 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:39:43,377 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:43" (1/1) ... [2024-11-08 19:39:43,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:39:43,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf6105-c3b3-42d7-894c-0d5c2a8d952e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:39:43,414 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf6105-c3b3-42d7-894c-0d5c2a8d952e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:39:43,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf6105-c3b3-42d7-894c-0d5c2a8d952e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:39:43,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:39:43,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 19:39:43,453 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-11-08 19:39:43,453 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-11-08 19:39:43,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 19:39:43,453 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-08 19:39:43,453 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-08 19:39:43,454 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-08 19:39:43,454 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-08 19:39:43,454 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-08 19:39:43,454 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-08 19:39:43,454 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-08 19:39:43,454 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-08 19:39:43,455 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:39:43,455 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:39:43,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:39:43,455 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2024-11-08 19:39:43,455 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2024-11-08 19:39:43,455 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-08 19:39:43,455 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-08 19:39:43,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 19:39:43,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:39:43,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:39:43,458 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 19:39:43,585 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:39:43,587 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:39:44,003 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 19:39:44,004 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:39:44,190 WARN L1754 r$LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-08 19:39:44,217 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). 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:146) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 19:39:44,222 INFO L158 Benchmark]: Toolchain (without parser) took 1288.87ms. Allocated memory was 144.7MB in the beginning and 192.9MB in the end (delta: 48.2MB). Free memory was 105.3MB in the beginning and 154.1MB in the end (delta: -48.9MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2024-11-08 19:39:44,223 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 100.7MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:39:44,223 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.34ms. Allocated memory is still 144.7MB. Free memory was 105.0MB in the beginning and 90.2MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 19:39:44,224 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.49ms. Allocated memory is still 144.7MB. Free memory was 90.2MB in the beginning and 88.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:39:44,226 INFO L158 Benchmark]: Boogie Preprocessor took 36.79ms. Allocated memory is still 144.7MB. Free memory was 88.2MB in the beginning and 86.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:39:44,227 INFO L158 Benchmark]: RCFGBuilder took 844.77ms. Allocated memory was 144.7MB in the beginning and 192.9MB in the end (delta: 48.2MB). Free memory was 86.4MB in the beginning and 154.1MB in the end (delta: -67.7MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-11-08 19:39:44,232 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 100.7MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.34ms. Allocated memory is still 144.7MB. Free memory was 105.0MB in the beginning and 90.2MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.49ms. Allocated memory is still 144.7MB. Free memory was 90.2MB in the beginning and 88.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.79ms. Allocated memory is still 144.7MB. Free memory was 88.2MB in the beginning and 86.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 844.77ms. Allocated memory was 144.7MB in the beginning and 192.9MB in the end (delta: 48.2MB). Free memory was 86.4MB in the beginning and 154.1MB in the end (delta: -67.7MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). 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 start of atomic block: ). 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:146) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 19:39:44,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf6105-c3b3-42d7-894c-0d5c2a8d952e/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf6105-c3b3-42d7-894c-0d5c2a8d952e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf6105-c3b3-42d7-894c-0d5c2a8d952e/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf6105-c3b3-42d7-894c-0d5c2a8d952e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf6105-c3b3-42d7-894c-0d5c2a8d952e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-series3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf6105-c3b3-42d7-894c-0d5c2a8d952e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf6105-c3b3-42d7-894c-0d5c2a8d952e/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c031a4ce44fce05276ee0c322906dbff86776176e55e116d257d2b83e85a253c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:39:46,651 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:39:46,733 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf6105-c3b3-42d7-894c-0d5c2a8d952e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 19:39:46,763 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:39:46,764 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:39:46,764 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:39:46,765 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:39:46,766 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:39:46,766 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:39:46,767 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:39:46,767 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:39:46,768 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:39:46,768 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:39:46,769 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:39:46,769 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:39:46,769 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:39:46,770 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:39:46,770 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:39:46,771 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:39:46,771 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:39:46,772 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:39:46,772 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:39:46,773 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:39:46,773 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:39:46,774 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:39:46,774 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:39:46,775 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:39:46,775 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 19:39:46,776 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:39:46,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:39:46,776 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:39:46,777 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:39:46,777 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:39:46,778 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 19:39:46,778 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:39:46,778 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 19:39:46,779 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf6105-c3b3-42d7-894c-0d5c2a8d952e/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf6105-c3b3-42d7-894c-0d5c2a8d952e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c031a4ce44fce05276ee0c322906dbff86776176e55e116d257d2b83e85a253c [2024-11-08 19:39:47,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:39:47,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:39:47,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:39:47,213 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:39:47,214 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:39:47,215 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf6105-c3b3-42d7-894c-0d5c2a8d952e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/weaver/popl20-more-buffer-series3.wvr.c Unable to find full path for "g++" [2024-11-08 19:39:49,223 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:39:49,473 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:39:49,473 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf6105-c3b3-42d7-894c-0d5c2a8d952e/sv-benchmarks/c/weaver/popl20-more-buffer-series3.wvr.c [2024-11-08 19:39:49,483 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf6105-c3b3-42d7-894c-0d5c2a8d952e/bin/ukojak-verify-ImItNfHLgk/data/7f7cb4eba/799850b8b5dc475f9bfda8931d1f0591/FLAGcbc524858 [2024-11-08 19:39:49,502 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf6105-c3b3-42d7-894c-0d5c2a8d952e/bin/ukojak-verify-ImItNfHLgk/data/7f7cb4eba/799850b8b5dc475f9bfda8931d1f0591 [2024-11-08 19:39:49,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:39:49,506 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:39:49,508 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:39:49,508 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:39:49,513 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:39:49,514 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:39:49" (1/1) ... [2024-11-08 19:39:49,515 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52607079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:49, skipping insertion in model container [2024-11-08 19:39:49,516 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:39:49" (1/1) ... [2024-11-08 19:39:49,545 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:39:49,846 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf6105-c3b3-42d7-894c-0d5c2a8d952e/sv-benchmarks/c/weaver/popl20-more-buffer-series3.wvr.c[4403,4416] [2024-11-08 19:39:49,859 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:39:49,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:39:49,885 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:39:49,931 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf6105-c3b3-42d7-894c-0d5c2a8d952e/sv-benchmarks/c/weaver/popl20-more-buffer-series3.wvr.c[4403,4416] [2024-11-08 19:39:49,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:39:49,971 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:39:49,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:49 WrapperNode [2024-11-08 19:39:49,975 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:39:49,976 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:39:49,976 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:39:49,976 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:39:49,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:49" (1/1) ... [2024-11-08 19:39:49,999 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:49" (1/1) ... [2024-11-08 19:39:50,023 INFO L138 Inliner]: procedures = 28, calls = 67, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 84 [2024-11-08 19:39:50,024 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:39:50,026 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:39:50,026 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:39:50,026 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:39:50,037 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:49" (1/1) ... [2024-11-08 19:39:50,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:49" (1/1) ... [2024-11-08 19:39:50,044 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:49" (1/1) ... [2024-11-08 19:39:50,047 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:49" (1/1) ... [2024-11-08 19:39:50,070 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:49" (1/1) ... [2024-11-08 19:39:50,079 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:49" (1/1) ... [2024-11-08 19:39:50,084 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:49" (1/1) ... [2024-11-08 19:39:50,087 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:49" (1/1) ... [2024-11-08 19:39:50,113 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:39:50,114 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:39:50,114 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:39:50,114 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:39:50,115 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:49" (1/1) ... [2024-11-08 19:39:50,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:39:50,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf6105-c3b3-42d7-894c-0d5c2a8d952e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:39:50,152 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf6105-c3b3-42d7-894c-0d5c2a8d952e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:39:50,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf6105-c3b3-42d7-894c-0d5c2a8d952e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:39:50,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:39:50,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 19:39:50,194 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-11-08 19:39:50,195 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-11-08 19:39:50,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 19:39:50,195 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-08 19:39:50,195 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-08 19:39:50,196 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-08 19:39:50,196 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-08 19:39:50,196 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-08 19:39:50,196 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-08 19:39:50,196 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-08 19:39:50,196 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-08 19:39:50,197 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:39:50,198 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:39:50,199 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2024-11-08 19:39:50,199 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2024-11-08 19:39:50,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-08 19:39:50,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-08 19:39:50,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 19:39:50,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:39:50,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:39:50,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 19:39:50,203 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 19:39:50,378 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:39:50,384 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:39:50,868 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 19:39:50,868 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:39:51,013 WARN L1754 r$LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-08 19:39:51,041 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). 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:146) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 19:39:51,047 INFO L158 Benchmark]: Toolchain (without parser) took 1539.91ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 54.8MB in the beginning and 73.2MB in the end (delta: -18.4MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2024-11-08 19:39:51,048 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 77.6MB. Free memory was 53.2MB in the beginning and 53.1MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:39:51,050 INFO L158 Benchmark]: CACSL2BoogieTranslator took 467.38ms. Allocated memory is still 77.6MB. Free memory was 54.6MB in the beginning and 39.1MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 19:39:51,050 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.74ms. Allocated memory is still 77.6MB. Free memory was 38.9MB in the beginning and 37.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:39:51,051 INFO L158 Benchmark]: Boogie Preprocessor took 88.10ms. Allocated memory is still 77.6MB. Free memory was 37.3MB in the beginning and 56.8MB in the end (delta: -19.4MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2024-11-08 19:39:51,052 INFO L158 Benchmark]: RCFGBuilder took 931.18ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 56.8MB in the beginning and 73.2MB in the end (delta: -16.4MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2024-11-08 19:39:51,055 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 77.6MB. Free memory was 53.2MB in the beginning and 53.1MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 467.38ms. Allocated memory is still 77.6MB. Free memory was 54.6MB in the beginning and 39.1MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.74ms. Allocated memory is still 77.6MB. Free memory was 38.9MB in the beginning and 37.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.10ms. Allocated memory is still 77.6MB. Free memory was 37.3MB in the beginning and 56.8MB in the end (delta: -19.4MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. * RCFGBuilder took 931.18ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 56.8MB in the beginning and 73.2MB in the end (delta: -16.4MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). 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 start of atomic block: ). 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:146) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 19:39:51,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caaf6105-c3b3-42d7-894c-0d5c2a8d952e/bin/ukojak-verify-ImItNfHLgk/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 start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?