./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-figure3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3458c8de-0e26-47f9-bbf9-5afef498d832/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3458c8de-0e26-47f9-bbf9-5afef498d832/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3458c8de-0e26-47f9-bbf9-5afef498d832/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3458c8de-0e26-47f9-bbf9-5afef498d832/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-figure3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3458c8de-0e26-47f9-bbf9-5afef498d832/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3458c8de-0e26-47f9-bbf9-5afef498d832/bin/ukojak-verify-afCqCEvfdi --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 a479da07a0fc6d1ad250c3f67241d6294523a3c8fee4f6d465a7a5bdc9204f86 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:57:19,363 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:57:19,497 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3458c8de-0e26-47f9-bbf9-5afef498d832/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:57:19,502 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:57:19,503 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:57:19,532 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:57:19,533 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:57:19,534 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:57:19,535 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:57:19,536 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:57:19,537 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:57:19,537 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:57:19,538 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:57:19,539 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:57:19,539 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:57:19,540 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:57:19,541 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:57:19,541 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:57:19,542 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:57:19,543 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:57:19,543 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:57:19,544 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:57:19,545 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:57:19,545 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:57:19,546 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:57:19,547 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:57:19,547 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:57:19,548 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:57:19,549 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:57:19,549 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:57:19,550 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:57:19,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:57:19,551 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:57:19,551 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_3458c8de-0e26-47f9-bbf9-5afef498d832/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3458c8de-0e26-47f9-bbf9-5afef498d832/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a479da07a0fc6d1ad250c3f67241d6294523a3c8fee4f6d465a7a5bdc9204f86 [2023-11-24 22:57:19,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:57:19,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:57:19,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:57:19,917 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:57:19,918 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:57:19,919 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3458c8de-0e26-47f9-bbf9-5afef498d832/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-figure3.wvr.c [2023-11-24 22:57:23,097 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:57:23,329 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:57:23,329 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3458c8de-0e26-47f9-bbf9-5afef498d832/sv-benchmarks/c/weaver/popl20-figure3.wvr.c [2023-11-24 22:57:23,337 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3458c8de-0e26-47f9-bbf9-5afef498d832/bin/ukojak-verify-afCqCEvfdi/data/a0e0cf6d2/f823437e6939469bac2e38955ecbe15a/FLAG89f59851c [2023-11-24 22:57:23,351 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3458c8de-0e26-47f9-bbf9-5afef498d832/bin/ukojak-verify-afCqCEvfdi/data/a0e0cf6d2/f823437e6939469bac2e38955ecbe15a [2023-11-24 22:57:23,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:57:23,356 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:57:23,357 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:57:23,358 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:57:23,363 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:57:23,364 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:57:23" (1/1) ... [2023-11-24 22:57:23,365 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36c00b78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:23, skipping insertion in model container [2023-11-24 22:57:23,365 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:57:23" (1/1) ... [2023-11-24 22:57:23,389 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:57:23,580 WARN L240 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_3458c8de-0e26-47f9-bbf9-5afef498d832/sv-benchmarks/c/weaver/popl20-figure3.wvr.c[2147,2160] [2023-11-24 22:57:23,585 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:57:23,594 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:57:23,615 WARN L240 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_3458c8de-0e26-47f9-bbf9-5afef498d832/sv-benchmarks/c/weaver/popl20-figure3.wvr.c[2147,2160] [2023-11-24 22:57:23,619 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:57:23,627 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:57:23,627 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:57:23,644 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:57:23,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:23 WrapperNode [2023-11-24 22:57:23,645 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:57:23,647 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:57:23,647 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:57:23,647 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:57:23,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:23" (1/1) ... [2023-11-24 22:57:23,660 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:23" (1/1) ... [2023-11-24 22:57:23,678 INFO L138 Inliner]: procedures = 21, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 50 [2023-11-24 22:57:23,678 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:57:23,679 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:57:23,679 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:57:23,679 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:57:23,688 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:23" (1/1) ... [2023-11-24 22:57:23,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:23" (1/1) ... [2023-11-24 22:57:23,691 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:23" (1/1) ... [2023-11-24 22:57:23,692 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:23" (1/1) ... [2023-11-24 22:57:23,697 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:23" (1/1) ... [2023-11-24 22:57:23,700 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:23" (1/1) ... [2023-11-24 22:57:23,704 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:23" (1/1) ... [2023-11-24 22:57:23,712 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:23" (1/1) ... [2023-11-24 22:57:23,715 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:57:23,716 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:57:23,716 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:57:23,716 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:57:23,717 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:23" (1/1) ... [2023-11-24 22:57:23,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:57:23,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3458c8de-0e26-47f9-bbf9-5afef498d832/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:57:23,758 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3458c8de-0e26-47f9-bbf9-5afef498d832/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:57:23,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3458c8de-0e26-47f9-bbf9-5afef498d832/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:57:23,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:57:23,797 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 22:57:23,798 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 22:57:23,798 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 22:57:23,798 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 22:57:23,799 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:57:23,799 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:57:23,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:57:23,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:57:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:57:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:57:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:57:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:57:23,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:57:23,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:57:23,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:57:23,803 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:57:23,899 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:57:23,901 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:57:24,071 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:57:24,112 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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) [2023-11-24 22:57:24,117 INFO L158 Benchmark]: Toolchain (without parser) took 760.20ms. Allocated memory is still 169.9MB. Free memory was 130.5MB in the beginning and 101.3MB in the end (delta: 29.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-24 22:57:24,117 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 134.2MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:57:24,118 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.59ms. Allocated memory is still 169.9MB. Free memory was 129.8MB in the beginning and 118.6MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:57:24,119 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.49ms. Allocated memory is still 169.9MB. Free memory was 118.6MB in the beginning and 117.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:57:24,120 INFO L158 Benchmark]: Boogie Preprocessor took 36.10ms. Allocated memory is still 169.9MB. Free memory was 117.2MB in the beginning and 115.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:57:24,120 INFO L158 Benchmark]: RCFGBuilder took 399.25ms. Allocated memory is still 169.9MB. Free memory was 115.9MB in the beginning and 101.3MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:57:24,124 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 134.2MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.59ms. Allocated memory is still 169.9MB. Free memory was 129.8MB in the beginning and 118.6MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.49ms. Allocated memory is still 169.9MB. Free memory was 118.6MB in the beginning and 117.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.10ms. Allocated memory is still 169.9MB. Free memory was 117.2MB in the beginning and 115.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 399.25ms. Allocated memory is still 169.9MB. Free memory was 115.9MB in the beginning and 101.3MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:57:24,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3458c8de-0e26-47f9-bbf9-5afef498d832/bin/ukojak-verify-afCqCEvfdi/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3458c8de-0e26-47f9-bbf9-5afef498d832/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3458c8de-0e26-47f9-bbf9-5afef498d832/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3458c8de-0e26-47f9-bbf9-5afef498d832/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3458c8de-0e26-47f9-bbf9-5afef498d832/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-figure3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3458c8de-0e26-47f9-bbf9-5afef498d832/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3458c8de-0e26-47f9-bbf9-5afef498d832/bin/ukojak-verify-afCqCEvfdi --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 a479da07a0fc6d1ad250c3f67241d6294523a3c8fee4f6d465a7a5bdc9204f86 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:57:27,087 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:57:27,221 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3458c8de-0e26-47f9-bbf9-5afef498d832/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 22:57:27,277 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:57:27,278 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:57:27,279 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:57:27,280 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:57:27,281 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:57:27,282 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:57:27,287 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:57:27,287 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:57:27,288 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:57:27,288 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:57:27,290 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:57:27,291 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:57:27,291 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:57:27,291 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:57:27,292 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:57:27,292 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:57:27,293 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:57:27,294 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:57:27,295 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:57:27,295 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:57:27,295 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:57:27,296 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:57:27,296 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:57:27,297 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:57:27,297 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:57:27,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:57:27,298 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:57:27,300 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:57:27,300 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:57:27,300 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:57:27,301 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:57:27,301 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:57:27,301 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:57:27,301 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:57:27,302 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_3458c8de-0e26-47f9-bbf9-5afef498d832/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3458c8de-0e26-47f9-bbf9-5afef498d832/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a479da07a0fc6d1ad250c3f67241d6294523a3c8fee4f6d465a7a5bdc9204f86 [2023-11-24 22:57:27,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:57:27,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:57:27,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:57:27,693 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:57:27,694 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:57:27,695 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3458c8de-0e26-47f9-bbf9-5afef498d832/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-figure3.wvr.c [2023-11-24 22:57:30,888 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:57:31,201 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:57:31,202 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3458c8de-0e26-47f9-bbf9-5afef498d832/sv-benchmarks/c/weaver/popl20-figure3.wvr.c [2023-11-24 22:57:31,211 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3458c8de-0e26-47f9-bbf9-5afef498d832/bin/ukojak-verify-afCqCEvfdi/data/63b07375f/34e34a7b38a74f18ac583d740adaade2/FLAG3fb6eadc2 [2023-11-24 22:57:31,225 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3458c8de-0e26-47f9-bbf9-5afef498d832/bin/ukojak-verify-afCqCEvfdi/data/63b07375f/34e34a7b38a74f18ac583d740adaade2 [2023-11-24 22:57:31,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:57:31,230 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:57:31,231 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:57:31,231 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:57:31,237 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:57:31,237 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:57:31" (1/1) ... [2023-11-24 22:57:31,239 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@576e4c84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:31, skipping insertion in model container [2023-11-24 22:57:31,239 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:57:31" (1/1) ... [2023-11-24 22:57:31,263 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:57:31,466 WARN L240 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_3458c8de-0e26-47f9-bbf9-5afef498d832/sv-benchmarks/c/weaver/popl20-figure3.wvr.c[2147,2160] [2023-11-24 22:57:31,471 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:57:31,486 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:57:31,515 WARN L240 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_3458c8de-0e26-47f9-bbf9-5afef498d832/sv-benchmarks/c/weaver/popl20-figure3.wvr.c[2147,2160] [2023-11-24 22:57:31,516 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:57:31,533 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:57:31,534 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:57:31,542 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:57:31,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:31 WrapperNode [2023-11-24 22:57:31,543 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:57:31,545 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:57:31,545 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:57:31,545 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:57:31,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:31" (1/1) ... [2023-11-24 22:57:31,563 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:31" (1/1) ... [2023-11-24 22:57:31,584 INFO L138 Inliner]: procedures = 23, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 50 [2023-11-24 22:57:31,584 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:57:31,585 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:57:31,585 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:57:31,585 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:57:31,596 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:31" (1/1) ... [2023-11-24 22:57:31,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:31" (1/1) ... [2023-11-24 22:57:31,600 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:31" (1/1) ... [2023-11-24 22:57:31,600 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:31" (1/1) ... [2023-11-24 22:57:31,607 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:31" (1/1) ... [2023-11-24 22:57:31,611 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:31" (1/1) ... [2023-11-24 22:57:31,614 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:31" (1/1) ... [2023-11-24 22:57:31,616 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:31" (1/1) ... [2023-11-24 22:57:31,619 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:57:31,620 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:57:31,620 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:57:31,621 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:57:31,622 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:31" (1/1) ... [2023-11-24 22:57:31,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:57:31,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3458c8de-0e26-47f9-bbf9-5afef498d832/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:57:31,665 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3458c8de-0e26-47f9-bbf9-5afef498d832/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:57:31,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3458c8de-0e26-47f9-bbf9-5afef498d832/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:57:31,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:57:31,716 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 22:57:31,716 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 22:57:31,718 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 22:57:31,718 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 22:57:31,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:57:31,736 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:57:31,736 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:57:31,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:57:31,737 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:57:31,737 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:57:31,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:57:31,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:57:31,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:57:31,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:57:31,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:57:31,740 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:57:31,910 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:57:31,912 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:57:32,172 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:57:32,211 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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) [2023-11-24 22:57:32,224 INFO L158 Benchmark]: Toolchain (without parser) took 993.53ms. Allocated memory is still 90.2MB. Free memory was 66.4MB in the beginning and 57.5MB in the end (delta: 8.9MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2023-11-24 22:57:32,224 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 67.1MB. Free memory was 42.9MB in the beginning and 42.8MB in the end (delta: 88.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:57:32,225 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.75ms. Allocated memory is still 90.2MB. Free memory was 66.2MB in the beginning and 54.6MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:57:32,226 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.49ms. Allocated memory is still 90.2MB. Free memory was 54.6MB in the beginning and 53.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:57:32,227 INFO L158 Benchmark]: Boogie Preprocessor took 34.34ms. Allocated memory is still 90.2MB. Free memory was 53.1MB in the beginning and 51.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:57:32,227 INFO L158 Benchmark]: RCFGBuilder took 601.82ms. Allocated memory is still 90.2MB. Free memory was 51.6MB in the beginning and 57.5MB in the end (delta: -5.9MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2023-11-24 22:57:32,230 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 67.1MB. Free memory was 42.9MB in the beginning and 42.8MB in the end (delta: 88.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.75ms. Allocated memory is still 90.2MB. Free memory was 66.2MB in the beginning and 54.6MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.49ms. Allocated memory is still 90.2MB. Free memory was 54.6MB in the beginning and 53.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.34ms. Allocated memory is still 90.2MB. Free memory was 53.1MB in the beginning and 51.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 601.82ms. Allocated memory is still 90.2MB. Free memory was 51.6MB in the beginning and 57.5MB in the end (delta: -5.9MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:57:32,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3458c8de-0e26-47f9-bbf9-5afef498d832/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?