./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-mts.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecc3cbf-e0e2-4278-9883-a2a02690ab98/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecc3cbf-e0e2-4278-9883-a2a02690ab98/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_8ecc3cbf-e0e2-4278-9883-a2a02690ab98/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecc3cbf-e0e2-4278-9883-a2a02690ab98/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-mts.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecc3cbf-e0e2-4278-9883-a2a02690ab98/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_8ecc3cbf-e0e2-4278-9883-a2a02690ab98/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 cc67bee348fb2ffff05c0616660a93fb872177c05d08813d910a29641aea282e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:50:32,895 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:50:33,010 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecc3cbf-e0e2-4278-9883-a2a02690ab98/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:50:33,017 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:50:33,021 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:50:33,067 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:50:33,069 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:50:33,070 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:50:33,071 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:50:33,073 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:50:33,075 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:50:33,076 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:50:33,076 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:50:33,077 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:50:33,081 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:50:33,082 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:50:33,082 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:50:33,083 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:50:33,083 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:50:33,083 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:50:33,084 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:50:33,085 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:50:33,085 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:50:33,087 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:50:33,088 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:50:33,088 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:50:33,089 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:50:33,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:50:33,090 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:50:33,091 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:50:33,091 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:50:33,094 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:50:33,094 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:50:33,094 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_8ecc3cbf-e0e2-4278-9883-a2a02690ab98/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecc3cbf-e0e2-4278-9883-a2a02690ab98/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc67bee348fb2ffff05c0616660a93fb872177c05d08813d910a29641aea282e [2024-11-08 23:50:33,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:50:33,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:50:33,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:50:33,399 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:50:33,400 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:50:33,401 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecc3cbf-e0e2-4278-9883-a2a02690ab98/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/weaver/popl20-more-mts.wvr.c Unable to find full path for "g++" [2024-11-08 23:50:35,536 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:50:35,741 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:50:35,741 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecc3cbf-e0e2-4278-9883-a2a02690ab98/sv-benchmarks/c/weaver/popl20-more-mts.wvr.c [2024-11-08 23:50:35,753 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecc3cbf-e0e2-4278-9883-a2a02690ab98/bin/ukojak-verify-ImItNfHLgk/data/302fe2b6e/726fd2f1028949da91f4977e7cba0de3/FLAGb33bd0c9e [2024-11-08 23:50:35,777 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecc3cbf-e0e2-4278-9883-a2a02690ab98/bin/ukojak-verify-ImItNfHLgk/data/302fe2b6e/726fd2f1028949da91f4977e7cba0de3 [2024-11-08 23:50:35,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:50:35,784 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:50:35,787 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:50:35,787 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:50:35,795 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:50:35,796 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:50:35" (1/1) ... [2024-11-08 23:50:35,797 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f532e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:35, skipping insertion in model container [2024-11-08 23:50:35,801 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:50:35" (1/1) ... [2024-11-08 23:50:35,839 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:50:36,133 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_8ecc3cbf-e0e2-4278-9883-a2a02690ab98/sv-benchmarks/c/weaver/popl20-more-mts.wvr.c[2572,2585] [2024-11-08 23:50:36,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:50:36,171 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:50:36,197 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_8ecc3cbf-e0e2-4278-9883-a2a02690ab98/sv-benchmarks/c/weaver/popl20-more-mts.wvr.c[2572,2585] [2024-11-08 23:50:36,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:50:36,226 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:50:36,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:36 WrapperNode [2024-11-08 23:50:36,227 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:50:36,228 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:50:36,228 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:50:36,228 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:50:36,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:36" (1/1) ... [2024-11-08 23:50:36,246 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:36" (1/1) ... [2024-11-08 23:50:36,281 INFO L138 Inliner]: procedures = 24, calls = 31, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2024-11-08 23:50:36,285 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:50:36,286 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:50:36,286 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:50:36,286 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:50:36,297 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:36" (1/1) ... [2024-11-08 23:50:36,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:36" (1/1) ... [2024-11-08 23:50:36,300 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:36" (1/1) ... [2024-11-08 23:50:36,301 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:36" (1/1) ... [2024-11-08 23:50:36,309 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:36" (1/1) ... [2024-11-08 23:50:36,313 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:36" (1/1) ... [2024-11-08 23:50:36,315 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:36" (1/1) ... [2024-11-08 23:50:36,317 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:36" (1/1) ... [2024-11-08 23:50:36,324 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:50:36,326 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:50:36,326 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:50:36,326 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:50:36,327 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:36" (1/1) ... [2024-11-08 23:50:36,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:50:36,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecc3cbf-e0e2-4278-9883-a2a02690ab98/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:50:36,378 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecc3cbf-e0e2-4278-9883-a2a02690ab98/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:50:36,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecc3cbf-e0e2-4278-9883-a2a02690ab98/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:50:36,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:50:36,426 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-08 23:50:36,426 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-08 23:50:36,426 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-08 23:50:36,426 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-08 23:50:36,426 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-08 23:50:36,427 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-08 23:50:36,427 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:50:36,428 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:50:36,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:50:36,429 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2024-11-08 23:50:36,429 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2024-11-08 23:50:36,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:50:36,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-08 23:50:36,430 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-08 23:50:36,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 23:50:36,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:50:36,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:50:36,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:50:36,432 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 23:50:36,587 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:50:36,591 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:50:36,967 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 23:50:36,968 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:50:37,203 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 23:50:37,226 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 23:50:37,267 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: call #t~mem11 := read~int(~A~0.base, ~A~0.offset + 4 * ~i~2, 4);). 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 23:50:37,276 INFO L158 Benchmark]: Toolchain (without parser) took 1491.31ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 101.5MB in the beginning and 147.4MB in the end (delta: -46.0MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. [2024-11-08 23:50:37,279 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 113.2MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:50:37,280 INFO L158 Benchmark]: CACSL2BoogieTranslator took 440.09ms. Allocated memory is still 140.5MB. Free memory was 101.5MB in the beginning and 87.4MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:50:37,281 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.34ms. Allocated memory is still 140.5MB. Free memory was 87.4MB in the beginning and 85.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:50:37,283 INFO L158 Benchmark]: Boogie Preprocessor took 38.90ms. Allocated memory is still 140.5MB. Free memory was 85.7MB in the beginning and 84.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:50:37,283 INFO L158 Benchmark]: RCFGBuilder took 948.70ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 84.0MB in the beginning and 147.4MB in the end (delta: -63.4MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2024-11-08 23:50:37,291 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 113.2MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 440.09ms. Allocated memory is still 140.5MB. Free memory was 101.5MB in the beginning and 87.4MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.34ms. Allocated memory is still 140.5MB. Free memory was 87.4MB in the beginning and 85.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.90ms. Allocated memory is still 140.5MB. Free memory was 85.7MB in the beginning and 84.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 948.70ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 84.0MB in the beginning and 147.4MB in the end (delta: -63.4MB). Peak memory consumption was 34.1MB. 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: call #t~mem11 := read~int(~A~0.base, ~A~0.offset + 4 * ~i~2, 4);). 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: call #t~mem11 := read~int(~A~0.base, ~A~0.offset + 4 * ~i~2, 4);). 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 23:50:37,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecc3cbf-e0e2-4278-9883-a2a02690ab98/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecc3cbf-e0e2-4278-9883-a2a02690ab98/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecc3cbf-e0e2-4278-9883-a2a02690ab98/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_8ecc3cbf-e0e2-4278-9883-a2a02690ab98/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecc3cbf-e0e2-4278-9883-a2a02690ab98/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-mts.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecc3cbf-e0e2-4278-9883-a2a02690ab98/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_8ecc3cbf-e0e2-4278-9883-a2a02690ab98/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 cc67bee348fb2ffff05c0616660a93fb872177c05d08813d910a29641aea282e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:50:39,908 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:50:40,009 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecc3cbf-e0e2-4278-9883-a2a02690ab98/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:50:40,062 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:50:40,064 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:50:40,065 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:50:40,066 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:50:40,066 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:50:40,068 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:50:40,070 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:50:40,070 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:50:40,071 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:50:40,071 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:50:40,071 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:50:40,072 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:50:40,074 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:50:40,075 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:50:40,077 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:50:40,078 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:50:40,078 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:50:40,078 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:50:40,081 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:50:40,081 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:50:40,081 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:50:40,082 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:50:40,082 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:50:40,082 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:40,083 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:50:40,083 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:50:40,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:50:40,084 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:50:40,085 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:50:40,085 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:50:40,086 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:50:40,087 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:40,087 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:50:40,088 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_8ecc3cbf-e0e2-4278-9883-a2a02690ab98/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecc3cbf-e0e2-4278-9883-a2a02690ab98/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc67bee348fb2ffff05c0616660a93fb872177c05d08813d910a29641aea282e [2024-11-08 23:50:40,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:50:40,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:50:40,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:50:40,587 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:50:40,588 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:50:40,590 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecc3cbf-e0e2-4278-9883-a2a02690ab98/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/weaver/popl20-more-mts.wvr.c Unable to find full path for "g++" [2024-11-08 23:50:42,697 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:50:42,988 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:50:42,989 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecc3cbf-e0e2-4278-9883-a2a02690ab98/sv-benchmarks/c/weaver/popl20-more-mts.wvr.c [2024-11-08 23:50:42,998 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecc3cbf-e0e2-4278-9883-a2a02690ab98/bin/ukojak-verify-ImItNfHLgk/data/96b96e7e2/16692aea2c2f415b8a574344e4cfdcca/FLAGeb3bd9ccd [2024-11-08 23:50:43,278 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecc3cbf-e0e2-4278-9883-a2a02690ab98/bin/ukojak-verify-ImItNfHLgk/data/96b96e7e2/16692aea2c2f415b8a574344e4cfdcca [2024-11-08 23:50:43,281 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:50:43,282 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:50:43,284 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:50:43,284 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:50:43,290 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:50:43,291 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:50:43" (1/1) ... [2024-11-08 23:50:43,292 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@472b1de0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:43, skipping insertion in model container [2024-11-08 23:50:43,292 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:50:43" (1/1) ... [2024-11-08 23:50:43,316 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:50:43,576 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_8ecc3cbf-e0e2-4278-9883-a2a02690ab98/sv-benchmarks/c/weaver/popl20-more-mts.wvr.c[2572,2585] [2024-11-08 23:50:43,589 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 23:50:43,601 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:50:43,619 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:50:43,655 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_8ecc3cbf-e0e2-4278-9883-a2a02690ab98/sv-benchmarks/c/weaver/popl20-more-mts.wvr.c[2572,2585] [2024-11-08 23:50:43,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:50:43,688 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:50:43,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:43 WrapperNode [2024-11-08 23:50:43,690 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:50:43,691 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:50:43,691 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:50:43,691 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:50:43,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:43" (1/1) ... [2024-11-08 23:50:43,716 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:43" (1/1) ... [2024-11-08 23:50:43,746 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2024-11-08 23:50:43,747 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:50:43,748 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:50:43,749 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:50:43,750 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:50:43,760 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:43" (1/1) ... [2024-11-08 23:50:43,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:43" (1/1) ... [2024-11-08 23:50:43,766 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:43" (1/1) ... [2024-11-08 23:50:43,767 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:43" (1/1) ... [2024-11-08 23:50:43,779 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:43" (1/1) ... [2024-11-08 23:50:43,783 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:43" (1/1) ... [2024-11-08 23:50:43,785 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:43" (1/1) ... [2024-11-08 23:50:43,801 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:43" (1/1) ... [2024-11-08 23:50:43,808 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:50:43,809 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:50:43,809 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:50:43,809 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:50:43,810 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:43" (1/1) ... [2024-11-08 23:50:43,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:50:43,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecc3cbf-e0e2-4278-9883-a2a02690ab98/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:50:43,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecc3cbf-e0e2-4278-9883-a2a02690ab98/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:50:43,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecc3cbf-e0e2-4278-9883-a2a02690ab98/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:50:43,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:50:43,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:50:43,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 23:50:43,943 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-08 23:50:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-08 23:50:43,943 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-08 23:50:43,943 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-08 23:50:43,944 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-08 23:50:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-08 23:50:43,944 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:50:43,944 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:50:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2024-11-08 23:50:43,945 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2024-11-08 23:50:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-08 23:50:43,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-08 23:50:43,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 23:50:43,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:50:43,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:50:43,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 23:50:43,950 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 23:50:44,147 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:50:44,149 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:50:44,581 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 23:50:44,581 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:50:44,840 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 23:50:44,861 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 23:50:44,892 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: call #t~mem11 := read~intINTTYPE4(~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~2)), 4bv32);). 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 23:50:44,897 INFO L158 Benchmark]: Toolchain (without parser) took 1613.68ms. Allocated memory is still 88.1MB. Free memory was 63.7MB in the beginning and 55.7MB in the end (delta: 8.0MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2024-11-08 23:50:44,900 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 62.9MB. Free memory was 38.9MB in the beginning and 38.9MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:50:44,901 INFO L158 Benchmark]: CACSL2BoogieTranslator took 406.29ms. Allocated memory is still 88.1MB. Free memory was 63.5MB in the beginning and 48.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:50:44,901 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.46ms. Allocated memory is still 88.1MB. Free memory was 48.6MB in the beginning and 47.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:50:44,902 INFO L158 Benchmark]: Boogie Preprocessor took 60.33ms. Allocated memory is still 88.1MB. Free memory was 47.0MB in the beginning and 66.8MB in the end (delta: -19.8MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2024-11-08 23:50:44,903 INFO L158 Benchmark]: RCFGBuilder took 1086.00ms. Allocated memory is still 88.1MB. Free memory was 66.8MB in the beginning and 55.7MB in the end (delta: 11.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-08 23:50:44,912 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 62.9MB. Free memory was 38.9MB in the beginning and 38.9MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 406.29ms. Allocated memory is still 88.1MB. Free memory was 63.5MB in the beginning and 48.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.46ms. Allocated memory is still 88.1MB. Free memory was 48.6MB in the beginning and 47.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.33ms. Allocated memory is still 88.1MB. Free memory was 47.0MB in the beginning and 66.8MB in the end (delta: -19.8MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1086.00ms. Allocated memory is still 88.1MB. Free memory was 66.8MB in the beginning and 55.7MB in the end (delta: 11.2MB). Peak memory consumption was 31.5MB. 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: call #t~mem11 := read~intINTTYPE4(~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~2)), 4bv32);). 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: call #t~mem11 := read~intINTTYPE4(~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~2)), 4bv32);). 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 23:50:44,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ecc3cbf-e0e2-4278-9883-a2a02690ab98/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: call #t~mem11 := read~intINTTYPE4(~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~2)), 4bv32);). Is there illegal control flow (e.g. loops) within an atomic block?