./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0441952f-b691-46d3-8f70-4a8f7f4703a6/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0441952f-b691-46d3-8f70-4a8f7f4703a6/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0441952f-b691-46d3-8f70-4a8f7f4703a6/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0441952f-b691-46d3-8f70-4a8f7f4703a6/bin/ukojak-verify-ENZ3QT5qd3/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_0441952f-b691-46d3-8f70-4a8f7f4703a6/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0441952f-b691-46d3-8f70-4a8f7f4703a6/bin/ukojak-verify-ENZ3QT5qd3 --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 0.3.0-dev-d790fec [2024-11-25 04:51:04,004 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:51:04,067 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0441952f-b691-46d3-8f70-4a8f7f4703a6/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:51:04,072 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:51:04,072 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:51:04,096 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:51:04,097 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:51:04,097 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:51:04,098 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:51:04,098 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:51:04,098 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:51:04,098 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:51:04,098 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:51:04,098 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:51:04,098 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:51:04,098 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:51:04,098 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:51:04,099 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:51:04,099 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:51:04,099 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:51:04,099 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:51:04,099 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:51:04,099 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:51:04,099 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:51:04,099 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:51:04,100 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:51:04,100 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:51:04,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:51:04,100 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:51:04,100 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:51:04,100 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:51:04,100 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:51:04,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:51:04,101 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_0441952f-b691-46d3-8f70-4a8f7f4703a6/bin/ukojak-verify-ENZ3QT5qd3 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 [2024-11-25 04:51:04,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:51:04,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:51:04,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:51:04,451 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:51:04,453 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:51:04,454 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0441952f-b691-46d3-8f70-4a8f7f4703a6/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2024-11-25 04:51:07,354 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0441952f-b691-46d3-8f70-4a8f7f4703a6/bin/ukojak-verify-ENZ3QT5qd3/data/eccbf4c7f/c337c2e0456c4b2d985f511cc3f2c32c/FLAGbeb47da80 [2024-11-25 04:51:07,680 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:51:07,687 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0441952f-b691-46d3-8f70-4a8f7f4703a6/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2024-11-25 04:51:07,713 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0441952f-b691-46d3-8f70-4a8f7f4703a6/bin/ukojak-verify-ENZ3QT5qd3/data/eccbf4c7f/c337c2e0456c4b2d985f511cc3f2c32c/FLAGbeb47da80 [2024-11-25 04:51:07,757 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0441952f-b691-46d3-8f70-4a8f7f4703a6/bin/ukojak-verify-ENZ3QT5qd3/data/eccbf4c7f/c337c2e0456c4b2d985f511cc3f2c32c [2024-11-25 04:51:07,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:51:07,762 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:51:07,764 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:51:07,764 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:51:07,771 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:51:07,772 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:51:07" (1/1) ... [2024-11-25 04:51:07,775 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fd0f59f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:07, skipping insertion in model container [2024-11-25 04:51:07,775 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:51:07" (1/1) ... [2024-11-25 04:51:07,802 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:51:08,045 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0441952f-b691-46d3-8f70-4a8f7f4703a6/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c[4284,4297] [2024-11-25 04:51:08,062 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:51:08,077 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:51:08,120 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0441952f-b691-46d3-8f70-4a8f7f4703a6/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c[4284,4297] [2024-11-25 04:51:08,130 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:51:08,151 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:51:08,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:08 WrapperNode [2024-11-25 04:51:08,152 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:51:08,153 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:51:08,153 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:51:08,154 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:51:08,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:08" (1/1) ... [2024-11-25 04:51:08,172 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:08" (1/1) ... [2024-11-25 04:51:08,202 INFO L138 Inliner]: procedures = 26, calls = 63, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 89 [2024-11-25 04:51:08,202 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:51:08,203 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:51:08,203 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:51:08,204 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:51:08,212 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:08" (1/1) ... [2024-11-25 04:51:08,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:08" (1/1) ... [2024-11-25 04:51:08,219 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:08" (1/1) ... [2024-11-25 04:51:08,219 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:08" (1/1) ... [2024-11-25 04:51:08,234 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:08" (1/1) ... [2024-11-25 04:51:08,238 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:08" (1/1) ... [2024-11-25 04:51:08,246 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:08" (1/1) ... [2024-11-25 04:51:08,248 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:08" (1/1) ... [2024-11-25 04:51:08,249 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:08" (1/1) ... [2024-11-25 04:51:08,255 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:51:08,259 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:51:08,259 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:51:08,259 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:51:08,260 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:08" (1/1) ... [2024-11-25 04:51:08,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:51:08,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0441952f-b691-46d3-8f70-4a8f7f4703a6/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:51:08,295 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0441952f-b691-46d3-8f70-4a8f7f4703a6/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:51:08,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0441952f-b691-46d3-8f70-4a8f7f4703a6/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:51:08,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:51:08,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 04:51:08,325 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-11-25 04:51:08,326 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-11-25 04:51:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 04:51:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-25 04:51:08,326 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-25 04:51:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-25 04:51:08,326 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-25 04:51:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-25 04:51:08,326 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-25 04:51:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-25 04:51:08,326 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-25 04:51:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 04:51:08,326 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 04:51:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:51:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2024-11-25 04:51:08,326 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2024-11-25 04:51:08,328 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-25 04:51:08,328 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-25 04:51:08,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 04:51:08,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:51:08,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:51:08,330 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-25 04:51:08,489 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:51:08,491 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:51:08,957 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-25 04:51:08,957 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:51:09,053 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: #t~post3 := ~q1_back~0;~q1_back~0 := 1 + #t~post3;havoc #t~post3;#t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 04:51:09,060 INFO L158 Benchmark]: Toolchain (without parser) took 1297.82ms. Allocated memory is still 117.4MB. Free memory was 95.0MB in the beginning and 51.1MB in the end (delta: 43.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 04:51:09,060 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:51:09,060 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.25ms. Allocated memory is still 117.4MB. Free memory was 94.7MB in the beginning and 81.6MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:51:09,064 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.18ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.0MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:51:09,065 INFO L158 Benchmark]: Boogie Preprocessor took 55.60ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 78.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:51:09,066 INFO L158 Benchmark]: RCFGBuilder took 799.16ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 51.1MB in the end (delta: 27.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 04:51:09,069 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 388.25ms. Allocated memory is still 117.4MB. Free memory was 94.7MB in the beginning and 81.6MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.18ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.0MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.60ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 78.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 799.16ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 51.1MB in the end (delta: 27.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: #t~post3 := ~q1_back~0;~q1_back~0 := 1 + #t~post3;havoc #t~post3;#t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: #t~post3 := ~q1_back~0;~q1_back~0 := 1 + #t~post3;havoc #t~post3;#t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 04:51:09,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0441952f-b691-46d3-8f70-4a8f7f4703a6/bin/ukojak-verify-ENZ3QT5qd3/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0441952f-b691-46d3-8f70-4a8f7f4703a6/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0441952f-b691-46d3-8f70-4a8f7f4703a6/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0441952f-b691-46d3-8f70-4a8f7f4703a6/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0441952f-b691-46d3-8f70-4a8f7f4703a6/bin/ukojak-verify-ENZ3QT5qd3/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_0441952f-b691-46d3-8f70-4a8f7f4703a6/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0441952f-b691-46d3-8f70-4a8f7f4703a6/bin/ukojak-verify-ENZ3QT5qd3 --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 0.3.0-dev-d790fec [2024-11-25 04:51:11,644 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:51:11,759 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0441952f-b691-46d3-8f70-4a8f7f4703a6/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 04:51:11,816 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:51:11,817 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:51:11,817 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:51:11,818 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:51:11,818 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:51:11,818 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:51:11,819 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:51:11,820 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:51:11,820 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:51:11,820 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:51:11,820 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:51:11,820 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:51:11,820 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:51:11,821 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:51:11,821 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:51:11,821 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:51:11,822 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:51:11,822 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:51:11,822 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:51:11,822 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:51:11,822 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:51:11,822 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:51:11,822 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:51:11,822 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:51:11,823 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:51:11,823 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:51:11,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:51:11,823 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:51:11,824 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:51:11,824 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:51:11,824 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:51:11,824 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:51:11,825 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:51:11,825 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_0441952f-b691-46d3-8f70-4a8f7f4703a6/bin/ukojak-verify-ENZ3QT5qd3 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 [2024-11-25 04:51:12,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:51:12,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:51:12,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:51:12,134 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:51:12,135 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:51:12,138 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0441952f-b691-46d3-8f70-4a8f7f4703a6/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2024-11-25 04:51:15,166 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0441952f-b691-46d3-8f70-4a8f7f4703a6/bin/ukojak-verify-ENZ3QT5qd3/data/cdf193b43/e7369f0fd405471481ce36ddf2cf7580/FLAGaa11d23fe [2024-11-25 04:51:15,411 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:51:15,412 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0441952f-b691-46d3-8f70-4a8f7f4703a6/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2024-11-25 04:51:15,425 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0441952f-b691-46d3-8f70-4a8f7f4703a6/bin/ukojak-verify-ENZ3QT5qd3/data/cdf193b43/e7369f0fd405471481ce36ddf2cf7580/FLAGaa11d23fe [2024-11-25 04:51:15,447 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0441952f-b691-46d3-8f70-4a8f7f4703a6/bin/ukojak-verify-ENZ3QT5qd3/data/cdf193b43/e7369f0fd405471481ce36ddf2cf7580 [2024-11-25 04:51:15,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:51:15,462 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:51:15,467 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:51:15,470 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:51:15,476 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:51:15,479 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:51:15" (1/1) ... [2024-11-25 04:51:15,480 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c9c5de2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:15, skipping insertion in model container [2024-11-25 04:51:15,480 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:51:15" (1/1) ... [2024-11-25 04:51:15,505 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:51:15,768 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0441952f-b691-46d3-8f70-4a8f7f4703a6/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c[4284,4297] [2024-11-25 04:51:15,779 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 04:51:15,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:51:15,803 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:51:15,854 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0441952f-b691-46d3-8f70-4a8f7f4703a6/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c[4284,4297] [2024-11-25 04:51:15,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:51:15,882 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:51:15,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:15 WrapperNode [2024-11-25 04:51:15,883 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:51:15,885 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:51:15,885 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:51:15,885 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:51:15,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:15" (1/1) ... [2024-11-25 04:51:15,910 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:15" (1/1) ... [2024-11-25 04:51:15,942 INFO L138 Inliner]: procedures = 28, calls = 63, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 84 [2024-11-25 04:51:15,944 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:51:15,944 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:51:15,945 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:51:15,945 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:51:15,952 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:15" (1/1) ... [2024-11-25 04:51:15,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:15" (1/1) ... [2024-11-25 04:51:15,957 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:15" (1/1) ... [2024-11-25 04:51:15,960 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:15" (1/1) ... [2024-11-25 04:51:15,972 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:15" (1/1) ... [2024-11-25 04:51:15,973 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:15" (1/1) ... [2024-11-25 04:51:15,977 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:15" (1/1) ... [2024-11-25 04:51:15,979 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:15" (1/1) ... [2024-11-25 04:51:15,980 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:15" (1/1) ... [2024-11-25 04:51:15,987 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:51:15,988 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:51:15,991 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:51:15,992 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:51:15,993 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:51:15" (1/1) ... [2024-11-25 04:51:16,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:51:16,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0441952f-b691-46d3-8f70-4a8f7f4703a6/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:51:16,031 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0441952f-b691-46d3-8f70-4a8f7f4703a6/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:51:16,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0441952f-b691-46d3-8f70-4a8f7f4703a6/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:51:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:51:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:51:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-11-25 04:51:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-11-25 04:51:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-25 04:51:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-25 04:51:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-25 04:51:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-25 04:51:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-25 04:51:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-25 04:51:16,063 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-25 04:51:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-25 04:51:16,063 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-25 04:51:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 04:51:16,063 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 04:51:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2024-11-25 04:51:16,063 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2024-11-25 04:51:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-25 04:51:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-25 04:51:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 04:51:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:51:16,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:51:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-25 04:51:16,065 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-25 04:51:16,199 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:51:16,202 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:51:16,673 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-25 04:51:16,673 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:51:16,860 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: #t~post3 := ~q1_back~0;~q1_back~0 := ~bvadd~32(1bv32, #t~post3);havoc #t~post3;#t~post4 := ~i~0;~i~0 := ~bvadd~32(1bv32, #t~post4);havoc #t~post4;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 04:51:16,869 INFO L158 Benchmark]: Toolchain (without parser) took 1406.57ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 67.5MB in the end (delta: 49.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-25 04:51:16,870 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 117.4MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:51:16,870 INFO L158 Benchmark]: CACSL2BoogieTranslator took 417.18ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 103.4MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:51:16,870 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.27ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 102.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:51:16,871 INFO L158 Benchmark]: Boogie Preprocessor took 42.86ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 100.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:51:16,871 INFO L158 Benchmark]: RCFGBuilder took 879.62ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 67.5MB in the end (delta: 32.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 04:51:16,873 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 117.4MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 417.18ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 103.4MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.27ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 102.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.86ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 100.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 879.62ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 67.5MB in the end (delta: 32.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: #t~post3 := ~q1_back~0;~q1_back~0 := ~bvadd~32(1bv32, #t~post3);havoc #t~post3;#t~post4 := ~i~0;~i~0 := ~bvadd~32(1bv32, #t~post4);havoc #t~post4;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: #t~post3 := ~q1_back~0;~q1_back~0 := ~bvadd~32(1bv32, #t~post3);havoc #t~post3;#t~post4 := ~i~0;~i~0 := ~bvadd~32(1bv32, #t~post4);havoc #t~post4;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 04:51:16,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0441952f-b691-46d3-8f70-4a8f7f4703a6/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: #t~post3 := ~q1_back~0;~q1_back~0 := ~bvadd~32(1bv32, #t~post3);havoc #t~post3;#t~post4 := ~i~0;~i~0 := ~bvadd~32(1bv32, #t~post4);havoc #t~post4;). Is there illegal control flow (e.g. loops) within an atomic block?