./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_be8eab57-fb0a-4b44-aee9-ea0e02fe9a9d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8eab57-fb0a-4b44-aee9-ea0e02fe9a9d/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8eab57-fb0a-4b44-aee9-ea0e02fe9a9d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8eab57-fb0a-4b44-aee9-ea0e02fe9a9d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8eab57-fb0a-4b44-aee9-ea0e02fe9a9d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8eab57-fb0a-4b44-aee9-ea0e02fe9a9d/bin/ukojak-verify-G8NBE6pJGL --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 8d3b4a56bf20a7e5cb147a14169234a27b247cfdef3db9f4b8a4f4a17cd6fe47 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:21:31,444 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:21:31,562 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8eab57-fb0a-4b44-aee9-ea0e02fe9a9d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:21:31,565 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:21:31,566 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:21:31,605 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:21:31,615 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:21:31,615 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:21:31,616 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:21:31,616 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:21:31,617 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:21:31,618 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:21:31,618 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:21:31,619 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:21:31,619 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:21:31,620 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:21:31,620 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:21:31,621 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:21:31,621 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:21:31,622 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:21:31,623 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:21:31,623 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:21:31,624 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:21:31,624 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:21:31,625 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:21:31,626 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:21:31,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:21:31,627 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:21:31,627 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:21:31,628 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:21:31,628 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:21:31,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:21:31,629 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:21:31,630 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_be8eab57-fb0a-4b44-aee9-ea0e02fe9a9d/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8eab57-fb0a-4b44-aee9-ea0e02fe9a9d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d3b4a56bf20a7e5cb147a14169234a27b247cfdef3db9f4b8a4f4a17cd6fe47 [2023-11-19 03:21:31,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:21:31,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:21:31,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:21:31,917 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:21:31,918 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:21:31,919 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8eab57-fb0a-4b44-aee9-ea0e02fe9a9d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2023-11-19 03:21:34,929 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:21:35,162 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:21:35,162 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8eab57-fb0a-4b44-aee9-ea0e02fe9a9d/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2023-11-19 03:21:35,171 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8eab57-fb0a-4b44-aee9-ea0e02fe9a9d/bin/ukojak-verify-G8NBE6pJGL/data/83d436724/dae2bff5b31d4e00b5063fe4e4bbcde4/FLAG5668edb99 [2023-11-19 03:21:35,186 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8eab57-fb0a-4b44-aee9-ea0e02fe9a9d/bin/ukojak-verify-G8NBE6pJGL/data/83d436724/dae2bff5b31d4e00b5063fe4e4bbcde4 [2023-11-19 03:21:35,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:21:35,191 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:21:35,192 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:21:35,193 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:21:35,198 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:21:35,198 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:35" (1/1) ... [2023-11-19 03:21:35,199 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1300a761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:35, skipping insertion in model container [2023-11-19 03:21:35,200 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:35" (1/1) ... [2023-11-19 03:21:35,230 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:21:35,433 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_be8eab57-fb0a-4b44-aee9-ea0e02fe9a9d/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c[4284,4297] [2023-11-19 03:21:35,445 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:35,457 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:21:35,490 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_be8eab57-fb0a-4b44-aee9-ea0e02fe9a9d/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c[4284,4297] [2023-11-19 03:21:35,494 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:35,504 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:21:35,504 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:21:35,512 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:21:35,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:35 WrapperNode [2023-11-19 03:21:35,512 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:21:35,514 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:21:35,514 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:21:35,514 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:21:35,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:35" (1/1) ... [2023-11-19 03:21:35,532 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:35" (1/1) ... [2023-11-19 03:21:35,556 INFO L138 Inliner]: procedures = 27, calls = 83, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 113 [2023-11-19 03:21:35,557 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:21:35,558 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:21:35,558 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:21:35,558 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:21:35,567 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:35" (1/1) ... [2023-11-19 03:21:35,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:35" (1/1) ... [2023-11-19 03:21:35,572 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:35" (1/1) ... [2023-11-19 03:21:35,573 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:35" (1/1) ... [2023-11-19 03:21:35,585 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:35" (1/1) ... [2023-11-19 03:21:35,590 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:35" (1/1) ... [2023-11-19 03:21:35,592 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:35" (1/1) ... [2023-11-19 03:21:35,594 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:35" (1/1) ... [2023-11-19 03:21:35,598 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:21:35,599 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:21:35,599 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:21:35,599 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:21:35,600 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:35" (1/1) ... [2023-11-19 03:21:35,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:21:35,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8eab57-fb0a-4b44-aee9-ea0e02fe9a9d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:21:35,638 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8eab57-fb0a-4b44-aee9-ea0e02fe9a9d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:21:35,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8eab57-fb0a-4b44-aee9-ea0e02fe9a9d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:21:35,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:21:35,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:21:35,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:21:35,693 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-19 03:21:35,693 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-19 03:21:35,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:21:35,695 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:21:35,695 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:21:35,695 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:21:35,695 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:21:35,696 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:21:35,696 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:21:35,696 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 03:21:35,696 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 03:21:35,697 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:21:35,697 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:21:35,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:21:35,699 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-19 03:21:35,700 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-19 03:21:35,700 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:21:35,700 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:21:35,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:21:35,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:21:35,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:21:35,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:21:35,703 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:21:35,877 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:21:35,879 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:21:36,279 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:21:36,484 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:21:36,484 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 03:21:36,486 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:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) 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) [2023-11-19 03:21:36,496 INFO L158 Benchmark]: Toolchain (without parser) took 1303.94ms. Allocated memory is still 155.2MB. Free memory was 109.9MB in the beginning and 122.8MB in the end (delta: -13.0MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. [2023-11-19 03:21:36,496 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 109.1MB. Free memory is still 61.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:21:36,498 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.36ms. Allocated memory is still 155.2MB. Free memory was 109.3MB in the beginning and 96.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:21:36,499 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.47ms. Allocated memory is still 155.2MB. Free memory was 96.1MB in the beginning and 94.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:21:36,500 INFO L158 Benchmark]: Boogie Preprocessor took 40.42ms. Allocated memory is still 155.2MB. Free memory was 94.3MB in the beginning and 92.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:21:36,501 INFO L158 Benchmark]: RCFGBuilder took 895.18ms. Allocated memory is still 155.2MB. Free memory was 92.5MB in the beginning and 122.8MB in the end (delta: -30.3MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2023-11-19 03:21:36,524 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 109.1MB. Free memory is still 61.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.36ms. Allocated memory is still 155.2MB. Free memory was 109.3MB in the beginning and 96.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.47ms. Allocated memory is still 155.2MB. Free memory was 96.1MB in the beginning and 94.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.42ms. Allocated memory is still 155.2MB. Free memory was 94.3MB in the beginning and 92.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 895.18ms. Allocated memory is still 155.2MB. Free memory was 92.5MB in the beginning and 122.8MB in the end (delta: -30.3MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:21:36,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8eab57-fb0a-4b44-aee9-ea0e02fe9a9d/bin/ukojak-verify-G8NBE6pJGL/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_be8eab57-fb0a-4b44-aee9-ea0e02fe9a9d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8eab57-fb0a-4b44-aee9-ea0e02fe9a9d/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8eab57-fb0a-4b44-aee9-ea0e02fe9a9d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8eab57-fb0a-4b44-aee9-ea0e02fe9a9d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8eab57-fb0a-4b44-aee9-ea0e02fe9a9d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8eab57-fb0a-4b44-aee9-ea0e02fe9a9d/bin/ukojak-verify-G8NBE6pJGL --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 8d3b4a56bf20a7e5cb147a14169234a27b247cfdef3db9f4b8a4f4a17cd6fe47 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:21:39,141 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:21:39,228 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8eab57-fb0a-4b44-aee9-ea0e02fe9a9d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:21:39,261 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:21:39,262 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:21:39,263 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:21:39,263 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:21:39,264 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:21:39,265 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:21:39,265 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:21:39,266 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:21:39,266 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:21:39,267 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:21:39,268 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:21:39,268 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:21:39,269 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:21:39,269 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:21:39,270 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:21:39,270 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:21:39,271 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:21:39,271 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:21:39,272 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:21:39,272 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:21:39,273 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:21:39,273 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:21:39,274 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:21:39,274 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:21:39,275 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:21:39,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:21:39,276 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:21:39,281 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:21:39,282 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:21:39,282 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:21:39,283 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:21:39,283 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:21:39,283 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:21:39,284 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:21:39,284 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_be8eab57-fb0a-4b44-aee9-ea0e02fe9a9d/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8eab57-fb0a-4b44-aee9-ea0e02fe9a9d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d3b4a56bf20a7e5cb147a14169234a27b247cfdef3db9f4b8a4f4a17cd6fe47 [2023-11-19 03:21:39,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:21:39,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:21:39,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:21:39,719 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:21:39,720 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:21:39,722 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8eab57-fb0a-4b44-aee9-ea0e02fe9a9d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2023-11-19 03:21:42,917 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:21:43,224 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:21:43,225 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8eab57-fb0a-4b44-aee9-ea0e02fe9a9d/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2023-11-19 03:21:43,239 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8eab57-fb0a-4b44-aee9-ea0e02fe9a9d/bin/ukojak-verify-G8NBE6pJGL/data/99f699072/22cd6edf08b943e9b4116cfeaa09c41a/FLAG540145c8c [2023-11-19 03:21:43,263 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8eab57-fb0a-4b44-aee9-ea0e02fe9a9d/bin/ukojak-verify-G8NBE6pJGL/data/99f699072/22cd6edf08b943e9b4116cfeaa09c41a [2023-11-19 03:21:43,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:21:43,275 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:21:43,278 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:21:43,278 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:21:43,283 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:21:43,284 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:43" (1/1) ... [2023-11-19 03:21:43,285 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fb72ce0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:43, skipping insertion in model container [2023-11-19 03:21:43,285 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:43" (1/1) ... [2023-11-19 03:21:43,328 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:21:43,517 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_be8eab57-fb0a-4b44-aee9-ea0e02fe9a9d/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c[4284,4297] [2023-11-19 03:21:43,537 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:43,551 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 03:21:43,569 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:21:43,621 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_be8eab57-fb0a-4b44-aee9-ea0e02fe9a9d/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c[4284,4297] [2023-11-19 03:21:43,626 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:43,640 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:21:43,703 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_be8eab57-fb0a-4b44-aee9-ea0e02fe9a9d/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c[4284,4297] [2023-11-19 03:21:43,711 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:43,731 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:21:43,731 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:21:43,740 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:21:43,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:43 WrapperNode [2023-11-19 03:21:43,741 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:21:43,743 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:21:43,743 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:21:43,743 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:21:43,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:43" (1/1) ... [2023-11-19 03:21:43,788 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:43" (1/1) ... [2023-11-19 03:21:43,825 INFO L138 Inliner]: procedures = 29, calls = 83, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 108 [2023-11-19 03:21:43,826 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:21:43,827 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:21:43,827 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:21:43,827 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:21:43,837 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:43" (1/1) ... [2023-11-19 03:21:43,838 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:43" (1/1) ... [2023-11-19 03:21:43,859 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:43" (1/1) ... [2023-11-19 03:21:43,863 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:43" (1/1) ... [2023-11-19 03:21:43,874 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:43" (1/1) ... [2023-11-19 03:21:43,894 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:43" (1/1) ... [2023-11-19 03:21:43,896 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:43" (1/1) ... [2023-11-19 03:21:43,904 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:43" (1/1) ... [2023-11-19 03:21:43,909 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:21:43,913 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:21:43,913 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:21:43,914 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:21:43,915 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:43" (1/1) ... [2023-11-19 03:21:43,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:21:43,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8eab57-fb0a-4b44-aee9-ea0e02fe9a9d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:21:43,951 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8eab57-fb0a-4b44-aee9-ea0e02fe9a9d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:21:43,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8eab57-fb0a-4b44-aee9-ea0e02fe9a9d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:21:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:21:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:21:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:21:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-19 03:21:44,003 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-19 03:21:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:21:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:21:44,003 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:21:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:21:44,005 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:21:44,006 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:21:44,006 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:21:44,006 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 03:21:44,006 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 03:21:44,007 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:21:44,007 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:21:44,007 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-19 03:21:44,007 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-19 03:21:44,007 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:21:44,008 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:21:44,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:21:44,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:21:44,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:21:44,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:21:44,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:21:44,011 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:21:44,188 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:21:44,191 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:21:44,688 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:21:44,936 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:21:44,937 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 03:21:44,939 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:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) 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) [2023-11-19 03:21:44,946 INFO L158 Benchmark]: Toolchain (without parser) took 1669.32ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 49.3MB in the beginning and 64.7MB in the end (delta: -15.4MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2023-11-19 03:21:44,946 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 73.4MB. Free memory is still 49.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:21:44,947 INFO L158 Benchmark]: CACSL2BoogieTranslator took 463.18ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 49.2MB in the beginning and 80.2MB in the end (delta: -31.0MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2023-11-19 03:21:44,948 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.27ms. Allocated memory is still 102.8MB. Free memory was 80.2MB in the beginning and 78.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:21:44,949 INFO L158 Benchmark]: Boogie Preprocessor took 85.23ms. Allocated memory is still 102.8MB. Free memory was 78.2MB in the beginning and 76.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:21:44,950 INFO L158 Benchmark]: RCFGBuilder took 1030.70ms. Allocated memory is still 102.8MB. Free memory was 76.1MB in the beginning and 64.7MB in the end (delta: 11.4MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2023-11-19 03:21:44,960 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 73.4MB. Free memory is still 49.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 463.18ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 49.2MB in the beginning and 80.2MB in the end (delta: -31.0MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.27ms. Allocated memory is still 102.8MB. Free memory was 80.2MB in the beginning and 78.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.23ms. Allocated memory is still 102.8MB. Free memory was 78.2MB in the beginning and 76.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1030.70ms. Allocated memory is still 102.8MB. Free memory was 76.1MB in the beginning and 64.7MB in the end (delta: 11.4MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:21:45,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be8eab57-fb0a-4b44-aee9-ea0e02fe9a9d/bin/ukojak-verify-G8NBE6pJGL/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?