./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.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_9e2fab2f-9cea-4348-a270-9d480d4aa539/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2fab2f-9cea-4348-a270-9d480d4aa539/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_9e2fab2f-9cea-4348-a270-9d480d4aa539/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2fab2f-9cea-4348-a270-9d480d4aa539/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2fab2f-9cea-4348-a270-9d480d4aa539/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_9e2fab2f-9cea-4348-a270-9d480d4aa539/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 613bf9314e4e3fb6e64527ec38c7e6b39400e524de37a5103e9f06d9db406d3d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:15:48,203 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:15:48,301 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2fab2f-9cea-4348-a270-9d480d4aa539/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:15:48,307 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:15:48,308 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:15:48,345 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:15:48,346 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:15:48,347 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:15:48,347 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:15:48,348 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:15:48,349 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:15:48,350 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:15:48,350 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:15:48,351 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:15:48,352 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:15:48,352 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:15:48,352 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:15:48,353 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:15:48,353 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:15:48,353 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:15:48,354 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:15:48,358 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:15:48,359 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:15:48,359 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:15:48,359 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:15:48,359 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:15:48,360 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:15:48,360 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:15:48,360 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:15:48,360 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:15:48,361 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:15:48,361 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:15:48,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:15:48,361 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_9e2fab2f-9cea-4348-a270-9d480d4aa539/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2fab2f-9cea-4348-a270-9d480d4aa539/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 613bf9314e4e3fb6e64527ec38c7e6b39400e524de37a5103e9f06d9db406d3d [2024-11-08 23:15:48,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:15:48,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:15:48,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:15:48,706 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:15:48,707 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:15:48,708 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2fab2f-9cea-4348-a270-9d480d4aa539/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c Unable to find full path for "g++" [2024-11-08 23:15:50,885 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:15:51,091 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:15:51,091 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2fab2f-9cea-4348-a270-9d480d4aa539/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2024-11-08 23:15:51,100 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2fab2f-9cea-4348-a270-9d480d4aa539/bin/ukojak-verify-ImItNfHLgk/data/50f27795b/d589d46ed98b43f39e40a2d205f9bb42/FLAG19e41ab85 [2024-11-08 23:15:51,453 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2fab2f-9cea-4348-a270-9d480d4aa539/bin/ukojak-verify-ImItNfHLgk/data/50f27795b/d589d46ed98b43f39e40a2d205f9bb42 [2024-11-08 23:15:51,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:15:51,457 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:15:51,459 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:15:51,459 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:15:51,466 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:15:51,467 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:15:51" (1/1) ... [2024-11-08 23:15:51,468 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4589ebd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:51, skipping insertion in model container [2024-11-08 23:15:51,469 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:15:51" (1/1) ... [2024-11-08 23:15:51,501 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:15:51,797 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_9e2fab2f-9cea-4348-a270-9d480d4aa539/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2896,2909] [2024-11-08 23:15:51,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:15:51,822 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:15:51,848 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_9e2fab2f-9cea-4348-a270-9d480d4aa539/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2896,2909] [2024-11-08 23:15:51,852 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:15:51,871 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:15:51,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:51 WrapperNode [2024-11-08 23:15:51,872 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:15:51,873 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:15:51,873 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:15:51,873 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:15:51,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:51" (1/1) ... [2024-11-08 23:15:51,889 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:51" (1/1) ... [2024-11-08 23:15:51,912 INFO L138 Inliner]: procedures = 24, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77 [2024-11-08 23:15:51,912 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:15:51,913 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:15:51,913 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:15:51,914 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:15:51,924 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:51" (1/1) ... [2024-11-08 23:15:51,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:51" (1/1) ... [2024-11-08 23:15:51,927 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:51" (1/1) ... [2024-11-08 23:15:51,927 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:51" (1/1) ... [2024-11-08 23:15:51,935 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:51" (1/1) ... [2024-11-08 23:15:51,939 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:51" (1/1) ... [2024-11-08 23:15:51,941 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:51" (1/1) ... [2024-11-08 23:15:51,942 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:51" (1/1) ... [2024-11-08 23:15:51,944 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:15:51,945 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:15:51,946 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:15:51,946 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:15:51,947 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:51" (1/1) ... [2024-11-08 23:15:51,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:15:51,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2fab2f-9cea-4348-a270-9d480d4aa539/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:15:51,977 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2fab2f-9cea-4348-a270-9d480d4aa539/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:15:51,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2fab2f-9cea-4348-a270-9d480d4aa539/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:15:52,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:15:52,012 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-08 23:15:52,012 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-08 23:15:52,012 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-08 23:15:52,012 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-08 23:15:52,012 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:15:52,012 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:15:52,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:15:52,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:15:52,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-08 23:15:52,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-08 23:15:52,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 23:15:52,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:15:52,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:15:52,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:15:52,016 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 23:15:52,132 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:15:52,135 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:15:52,447 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 23:15:52,447 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:15:52,638 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem1;#t~post2 := ~q_back~0;~q_back~0 := 1 + #t~post2;havoc #t~post2;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java: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 23:15:52,643 INFO L158 Benchmark]: Toolchain (without parser) took 1184.86ms. Allocated memory is still 157.3MB. Free memory was 121.2MB in the beginning and 93.9MB in the end (delta: 27.3MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2024-11-08 23:15:52,643 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 113.2MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:15:52,644 INFO L158 Benchmark]: CACSL2BoogieTranslator took 412.92ms. Allocated memory is still 157.3MB. Free memory was 120.8MB in the beginning and 120.2MB in the end (delta: 536.5kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 23:15:52,644 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.77ms. Allocated memory is still 157.3MB. Free memory was 120.2MB in the beginning and 118.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:15:52,645 INFO L158 Benchmark]: Boogie Preprocessor took 31.80ms. Allocated memory is still 157.3MB. Free memory was 118.6MB in the beginning and 116.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:15:52,646 INFO L158 Benchmark]: RCFGBuilder took 695.65ms. Allocated memory is still 157.3MB. Free memory was 116.9MB in the beginning and 93.9MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 23:15:52,649 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 113.2MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 412.92ms. Allocated memory is still 157.3MB. Free memory was 120.8MB in the beginning and 120.2MB in the end (delta: 536.5kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.77ms. Allocated memory is still 157.3MB. Free memory was 120.2MB in the beginning and 118.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.80ms. Allocated memory is still 157.3MB. Free memory was 118.6MB in the beginning and 116.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 695.65ms. Allocated memory is still 157.3MB. Free memory was 116.9MB in the beginning and 93.9MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem1;#t~post2 := ~q_back~0;~q_back~0 := 1 + #t~post2;havoc #t~post2;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem1;#t~post2 := ~q_back~0;~q_back~0 := 1 + #t~post2;havoc #t~post2;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 23:15:52,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2fab2f-9cea-4348-a270-9d480d4aa539/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_9e2fab2f-9cea-4348-a270-9d480d4aa539/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2fab2f-9cea-4348-a270-9d480d4aa539/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_9e2fab2f-9cea-4348-a270-9d480d4aa539/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2fab2f-9cea-4348-a270-9d480d4aa539/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2fab2f-9cea-4348-a270-9d480d4aa539/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_9e2fab2f-9cea-4348-a270-9d480d4aa539/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 613bf9314e4e3fb6e64527ec38c7e6b39400e524de37a5103e9f06d9db406d3d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:15:55,086 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:15:55,169 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2fab2f-9cea-4348-a270-9d480d4aa539/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:15:55,229 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:15:55,230 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:15:55,231 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:15:55,231 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:15:55,232 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:15:55,232 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:15:55,233 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:15:55,233 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:15:55,234 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:15:55,234 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:15:55,236 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:15:55,237 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:15:55,237 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:15:55,238 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:15:55,238 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:15:55,238 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:15:55,239 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:15:55,243 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:15:55,243 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:15:55,244 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:15:55,244 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:15:55,244 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:15:55,245 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:15:55,245 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:55,245 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:15:55,246 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:15:55,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:15:55,246 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:15:55,246 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:15:55,247 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:15:55,247 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:15:55,247 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:55,248 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:15:55,248 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_9e2fab2f-9cea-4348-a270-9d480d4aa539/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2fab2f-9cea-4348-a270-9d480d4aa539/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 613bf9314e4e3fb6e64527ec38c7e6b39400e524de37a5103e9f06d9db406d3d [2024-11-08 23:15:55,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:15:55,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:15:55,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:15:55,663 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:15:55,663 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:15:55,665 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2fab2f-9cea-4348-a270-9d480d4aa539/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c Unable to find full path for "g++" [2024-11-08 23:15:57,600 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:15:57,856 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:15:57,857 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2fab2f-9cea-4348-a270-9d480d4aa539/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2024-11-08 23:15:57,867 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2fab2f-9cea-4348-a270-9d480d4aa539/bin/ukojak-verify-ImItNfHLgk/data/d668d16ea/520168ac34ed444d88886c530ae2e1f1/FLAG1cee80c72 [2024-11-08 23:15:57,893 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2fab2f-9cea-4348-a270-9d480d4aa539/bin/ukojak-verify-ImItNfHLgk/data/d668d16ea/520168ac34ed444d88886c530ae2e1f1 [2024-11-08 23:15:57,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:15:57,897 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:15:57,898 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:15:57,898 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:15:57,903 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:15:57,903 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:15:57" (1/1) ... [2024-11-08 23:15:57,905 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a112d3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:57, skipping insertion in model container [2024-11-08 23:15:57,905 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:15:57" (1/1) ... [2024-11-08 23:15:57,930 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:15:58,201 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_9e2fab2f-9cea-4348-a270-9d480d4aa539/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2896,2909] [2024-11-08 23:15:58,212 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 23:15:58,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:15:58,233 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:15:58,268 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_9e2fab2f-9cea-4348-a270-9d480d4aa539/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2896,2909] [2024-11-08 23:15:58,275 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:15:58,323 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:15:58,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:58 WrapperNode [2024-11-08 23:15:58,323 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:15:58,328 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:15:58,329 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:15:58,329 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:15:58,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:58" (1/1) ... [2024-11-08 23:15:58,354 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:58" (1/1) ... [2024-11-08 23:15:58,391 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73 [2024-11-08 23:15:58,392 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:15:58,393 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:15:58,394 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:15:58,394 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:15:58,405 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:58" (1/1) ... [2024-11-08 23:15:58,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:58" (1/1) ... [2024-11-08 23:15:58,408 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:58" (1/1) ... [2024-11-08 23:15:58,412 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:58" (1/1) ... [2024-11-08 23:15:58,427 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:58" (1/1) ... [2024-11-08 23:15:58,434 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:58" (1/1) ... [2024-11-08 23:15:58,436 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:58" (1/1) ... [2024-11-08 23:15:58,437 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:58" (1/1) ... [2024-11-08 23:15:58,440 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:15:58,441 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:15:58,441 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:15:58,441 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:15:58,442 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:15:58" (1/1) ... [2024-11-08 23:15:58,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:15:58,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2fab2f-9cea-4348-a270-9d480d4aa539/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:15:58,488 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2fab2f-9cea-4348-a270-9d480d4aa539/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:15:58,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2fab2f-9cea-4348-a270-9d480d4aa539/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:15:58,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:15:58,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:15:58,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 23:15:58,528 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-08 23:15:58,528 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-08 23:15:58,529 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-08 23:15:58,529 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-08 23:15:58,529 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:15:58,529 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:15:58,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-08 23:15:58,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-08 23:15:58,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 23:15:58,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:15:58,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:15:58,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 23:15:58,532 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 23:15:58,651 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:15:58,653 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:15:58,989 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 23:15:58,989 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:15:59,151 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem1;#t~post2 := ~q_back~0;~q_back~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java: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 23:15:59,155 INFO L158 Benchmark]: Toolchain (without parser) took 1258.02ms. Allocated memory is still 73.4MB. Free memory was 49.6MB in the beginning and 45.2MB in the end (delta: 4.4MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2024-11-08 23:15:59,158 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 58.7MB. Free memory was 34.8MB in the beginning and 34.8MB in the end (delta: 65.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:15:59,159 INFO L158 Benchmark]: CACSL2BoogieTranslator took 425.79ms. Allocated memory is still 73.4MB. Free memory was 49.4MB in the beginning and 52.1MB in the end (delta: -2.7MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2024-11-08 23:15:59,159 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.85ms. Allocated memory is still 73.4MB. Free memory was 52.1MB in the beginning and 50.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:15:59,160 INFO L158 Benchmark]: Boogie Preprocessor took 46.51ms. Allocated memory is still 73.4MB. Free memory was 50.7MB in the beginning and 48.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:15:59,161 INFO L158 Benchmark]: RCFGBuilder took 713.33ms. Allocated memory is still 73.4MB. Free memory was 48.8MB in the beginning and 45.2MB in the end (delta: 3.6MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2024-11-08 23:15:59,164 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 58.7MB. Free memory was 34.8MB in the beginning and 34.8MB in the end (delta: 65.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 425.79ms. Allocated memory is still 73.4MB. Free memory was 49.4MB in the beginning and 52.1MB in the end (delta: -2.7MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.85ms. Allocated memory is still 73.4MB. Free memory was 52.1MB in the beginning and 50.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.51ms. Allocated memory is still 73.4MB. Free memory was 50.7MB in the beginning and 48.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 713.33ms. Allocated memory is still 73.4MB. Free memory was 48.8MB in the beginning and 45.2MB in the end (delta: 3.6MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem1;#t~post2 := ~q_back~0;~q_back~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem1;#t~post2 := ~q_back~0;~q_back~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 23:15:59,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e2fab2f-9cea-4348-a270-9d480d4aa539/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 end of atomic block: havoc #t~mem1;#t~post2 := ~q_back~0;~q_back~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;). Is there illegal control flow (e.g. loops) within an atomic block?