./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2be148-5632-433f-a97b-602d07fa2ad3/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2be148-5632-433f-a97b-602d07fa2ad3/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_ef2be148-5632-433f-a97b-602d07fa2ad3/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2be148-5632-433f-a97b-602d07fa2ad3/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_ef2be148-5632-433f-a97b-602d07fa2ad3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2be148-5632-433f-a97b-602d07fa2ad3/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --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 05:27:47,055 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:27:47,131 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2be148-5632-433f-a97b-602d07fa2ad3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 05:27:47,136 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:27:47,136 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:27:47,157 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:27:47,157 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:27:47,158 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:27:47,158 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:27:47,158 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:27:47,158 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:27:47,158 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:27:47,158 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:27:47,158 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:27:47,159 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:27:47,159 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:27:47,159 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:27:47,159 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:27:47,159 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:27:47,159 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 05:27:47,159 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 05:27:47,159 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:27:47,159 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:27:47,160 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:27:47,160 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:27:47,160 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:27:47,160 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:27:47,160 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:27:47,160 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:27:47,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:27:47,161 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:27:47,161 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:27:47,161 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:27:47,161 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:27:47,161 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:27:47,161 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_ef2be148-5632-433f-a97b-602d07fa2ad3/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 ! overflow) ) 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 05:27:47,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:27:47,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:27:47,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:27:47,475 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:27:47,475 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:27:47,476 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2be148-5632-433f-a97b-602d07fa2ad3/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2024-11-25 05:27:50,419 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2be148-5632-433f-a97b-602d07fa2ad3/bin/ukojak-verify-ENZ3QT5qd3/data/8ae416b4c/3b77fd3b4ca04b06aa3c528d7b1a358f/FLAGaf676ecbd [2024-11-25 05:27:50,669 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:27:50,670 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2be148-5632-433f-a97b-602d07fa2ad3/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2024-11-25 05:27:50,678 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2be148-5632-433f-a97b-602d07fa2ad3/bin/ukojak-verify-ENZ3QT5qd3/data/8ae416b4c/3b77fd3b4ca04b06aa3c528d7b1a358f/FLAGaf676ecbd [2024-11-25 05:27:50,700 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2be148-5632-433f-a97b-602d07fa2ad3/bin/ukojak-verify-ENZ3QT5qd3/data/8ae416b4c/3b77fd3b4ca04b06aa3c528d7b1a358f [2024-11-25 05:27:50,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:27:50,704 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:27:50,705 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:27:50,705 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:27:50,710 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:27:50,711 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:27:50" (1/1) ... [2024-11-25 05:27:50,712 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25c9f980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:50, skipping insertion in model container [2024-11-25 05:27:50,712 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:27:50" (1/1) ... [2024-11-25 05:27:50,731 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:27:50,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:27:50,987 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:27:51,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:27:51,061 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:27:51,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:51 WrapperNode [2024-11-25 05:27:51,062 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:27:51,063 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:27:51,063 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:27:51,063 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:27:51,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:51" (1/1) ... [2024-11-25 05:27:51,079 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:51" (1/1) ... [2024-11-25 05:27:51,105 INFO L138 Inliner]: procedures = 26, calls = 64, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 91 [2024-11-25 05:27:51,108 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:27:51,108 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:27:51,109 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:27:51,109 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:27:51,117 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:51" (1/1) ... [2024-11-25 05:27:51,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:51" (1/1) ... [2024-11-25 05:27:51,127 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:51" (1/1) ... [2024-11-25 05:27:51,127 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:51" (1/1) ... [2024-11-25 05:27:51,142 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:51" (1/1) ... [2024-11-25 05:27:51,143 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:51" (1/1) ... [2024-11-25 05:27:51,150 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:51" (1/1) ... [2024-11-25 05:27:51,158 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:51" (1/1) ... [2024-11-25 05:27:51,159 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:51" (1/1) ... [2024-11-25 05:27:51,165 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:27:51,169 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:27:51,170 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:27:51,170 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:27:51,171 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:51" (1/1) ... [2024-11-25 05:27:51,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:27:51,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2be148-5632-433f-a97b-602d07fa2ad3/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:27:51,221 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2be148-5632-433f-a97b-602d07fa2ad3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:27:51,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2be148-5632-433f-a97b-602d07fa2ad3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:27:51,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:27:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 05:27:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-11-25 05:27:51,253 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-11-25 05:27:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 05:27:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-25 05:27:51,253 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-25 05:27:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-25 05:27:51,254 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-25 05:27:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-25 05:27:51,254 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-25 05:27:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-25 05:27:51,255 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-25 05:27:51,255 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 05:27:51,256 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 05:27:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:27:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2024-11-25 05:27:51,256 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2024-11-25 05:27:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-25 05:27:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-25 05:27:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 05:27:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:27:51,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:27:51,258 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 05:27:51,394 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:27:51,396 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:27:51,815 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-25 05:27:51,815 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:27:52,106 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;assume 1 + #t~post3 >= -2147483648;assume 1 + #t~post3 <= 2147483647;~q1_back~0 := 1 + #t~post3;havoc #t~post3;#t~post4 := ~i~0;assume 1 + #t~post4 >= -2147483648;assume 1 + #t~post4 <= 2147483647;~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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 05:27:52,114 INFO L158 Benchmark]: Toolchain (without parser) took 1409.77ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 87.1MB in the end (delta: 5.6MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. [2024-11-25 05:27:52,114 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:27:52,115 INFO L158 Benchmark]: CACSL2BoogieTranslator took 357.08ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 79.5MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:27:52,115 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.44ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 78.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:27:52,115 INFO L158 Benchmark]: Boogie Preprocessor took 60.39ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 76.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:27:52,116 INFO L158 Benchmark]: RCFGBuilder took 942.91ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 87.1MB in the end (delta: -10.4MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2024-11-25 05:27:52,118 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 357.08ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 79.5MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.44ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 78.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 60.39ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 76.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 942.91ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 87.1MB in the end (delta: -10.4MB). Peak memory consumption was 46.4MB. 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;assume 1 + #t~post3 >= -2147483648;assume 1 + #t~post3 <= 2147483647;~q1_back~0 := 1 + #t~post3;havoc #t~post3;#t~post4 := ~i~0;assume 1 + #t~post4 >= -2147483648;assume 1 + #t~post4 <= 2147483647;~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;assume 1 + #t~post3 >= -2147483648;assume 1 + #t~post3 <= 2147483647;~q1_back~0 := 1 + #t~post3;havoc #t~post3;#t~post4 := ~i~0;assume 1 + #t~post4 >= -2147483648;assume 1 + #t~post4 <= 2147483647;~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 05:27:52,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2be148-5632-433f-a97b-602d07fa2ad3/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_ef2be148-5632-433f-a97b-602d07fa2ad3/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2be148-5632-433f-a97b-602d07fa2ad3/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_ef2be148-5632-433f-a97b-602d07fa2ad3/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2be148-5632-433f-a97b-602d07fa2ad3/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_ef2be148-5632-433f-a97b-602d07fa2ad3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2be148-5632-433f-a97b-602d07fa2ad3/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --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 05:27:54,791 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:27:54,908 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2be148-5632-433f-a97b-602d07fa2ad3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-11-25 05:27:54,952 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:27:54,956 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:27:54,956 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:27:54,956 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:27:54,956 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:27:54,957 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:27:54,957 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:27:54,957 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:27:54,957 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:27:54,958 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:27:54,958 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:27:54,958 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:27:54,958 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:27:54,958 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 05:27:54,958 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 05:27:54,960 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 05:27:54,960 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 05:27:54,960 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 05:27:54,960 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:27:54,960 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:27:54,960 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:27:54,960 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:27:54,961 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:27:54,961 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:27:54,961 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:27:54,961 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:27:54,961 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 05:27:54,961 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:27:54,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:27:54,962 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:27:54,962 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:27:54,962 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:27:54,962 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 05:27:54,962 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:27:54,962 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 05:27:54,962 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_ef2be148-5632-433f-a97b-602d07fa2ad3/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 ! overflow) ) 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 05:27:55,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:27:55,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:27:55,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:27:55,287 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:27:55,287 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:27:55,289 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2be148-5632-433f-a97b-602d07fa2ad3/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2024-11-25 05:27:58,337 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2be148-5632-433f-a97b-602d07fa2ad3/bin/ukojak-verify-ENZ3QT5qd3/data/69aed9b8f/f0f80d6c412241bbb3a268e61ee97d40/FLAG11d4dfa3b [2024-11-25 05:27:58,573 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:27:58,574 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2be148-5632-433f-a97b-602d07fa2ad3/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2024-11-25 05:27:58,582 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2be148-5632-433f-a97b-602d07fa2ad3/bin/ukojak-verify-ENZ3QT5qd3/data/69aed9b8f/f0f80d6c412241bbb3a268e61ee97d40/FLAG11d4dfa3b [2024-11-25 05:27:58,596 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2be148-5632-433f-a97b-602d07fa2ad3/bin/ukojak-verify-ENZ3QT5qd3/data/69aed9b8f/f0f80d6c412241bbb3a268e61ee97d40 [2024-11-25 05:27:58,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:27:58,599 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:27:58,601 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:27:58,601 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:27:58,604 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:27:58,604 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:27:58" (1/1) ... [2024-11-25 05:27:58,605 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ede9c8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:58, skipping insertion in model container [2024-11-25 05:27:58,605 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:27:58" (1/1) ... [2024-11-25 05:27:58,622 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:27:58,887 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 05:27:58,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:27:58,913 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:27:58,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:27:58,999 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:27:59,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:58 WrapperNode [2024-11-25 05:27:59,001 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:27:59,002 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:27:59,003 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:27:59,003 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:27:59,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:58" (1/1) ... [2024-11-25 05:27:59,027 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:58" (1/1) ... [2024-11-25 05:27:59,056 INFO L138 Inliner]: procedures = 28, calls = 64, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 86 [2024-11-25 05:27:59,056 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:27:59,057 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:27:59,057 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:27:59,057 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:27:59,066 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:58" (1/1) ... [2024-11-25 05:27:59,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:58" (1/1) ... [2024-11-25 05:27:59,073 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:58" (1/1) ... [2024-11-25 05:27:59,074 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:58" (1/1) ... [2024-11-25 05:27:59,092 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:58" (1/1) ... [2024-11-25 05:27:59,096 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:58" (1/1) ... [2024-11-25 05:27:59,100 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:58" (1/1) ... [2024-11-25 05:27:59,107 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:58" (1/1) ... [2024-11-25 05:27:59,108 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:58" (1/1) ... [2024-11-25 05:27:59,120 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:27:59,121 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:27:59,121 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:27:59,122 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:27:59,123 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:27:58" (1/1) ... [2024-11-25 05:27:59,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:27:59,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2be148-5632-433f-a97b-602d07fa2ad3/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:27:59,162 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2be148-5632-433f-a97b-602d07fa2ad3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:27:59,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2be148-5632-433f-a97b-602d07fa2ad3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:27:59,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:27:59,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 05:27:59,188 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-11-25 05:27:59,188 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-11-25 05:27:59,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-25 05:27:59,189 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-25 05:27:59,189 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-25 05:27:59,189 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-25 05:27:59,189 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-25 05:27:59,189 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-25 05:27:59,189 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-25 05:27:59,189 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-25 05:27:59,189 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-25 05:27:59,189 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 05:27:59,189 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 05:27:59,189 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2024-11-25 05:27:59,190 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2024-11-25 05:27:59,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-25 05:27:59,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-25 05:27:59,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 05:27:59,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:27:59,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:27:59,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-25 05:27:59,191 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 05:27:59,316 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:27:59,319 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:27:59,890 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-25 05:27:59,890 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:28:00,119 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;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post3);havoc #t~post3;#t~post4 := ~i~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post4)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post4)), 2147483647bv33);~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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 05:28:00,125 INFO L158 Benchmark]: Toolchain (without parser) took 1525.62ms. Allocated memory is still 83.9MB. Free memory was 60.7MB in the beginning and 31.5MB in the end (delta: 29.2MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. [2024-11-25 05:28:00,128 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:28:00,129 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.43ms. Allocated memory is still 83.9MB. Free memory was 60.7MB in the beginning and 46.7MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:28:00,129 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.14ms. Allocated memory is still 83.9MB. Free memory was 46.7MB in the beginning and 45.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:28:00,130 INFO L158 Benchmark]: Boogie Preprocessor took 63.04ms. Allocated memory is still 83.9MB. Free memory was 45.2MB in the beginning and 43.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:28:00,130 INFO L158 Benchmark]: RCFGBuilder took 1003.22ms. Allocated memory is still 83.9MB. Free memory was 43.4MB in the beginning and 31.5MB in the end (delta: 11.9MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2024-11-25 05:28:00,132 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 401.43ms. Allocated memory is still 83.9MB. Free memory was 60.7MB in the beginning and 46.7MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.14ms. Allocated memory is still 83.9MB. Free memory was 46.7MB in the beginning and 45.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 63.04ms. Allocated memory is still 83.9MB. Free memory was 45.2MB in the beginning and 43.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1003.22ms. Allocated memory is still 83.9MB. Free memory was 43.4MB in the beginning and 31.5MB in the end (delta: 11.9MB). Peak memory consumption was 29.3MB. 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;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post3);havoc #t~post3;#t~post4 := ~i~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post4)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post4)), 2147483647bv33);~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;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post3);havoc #t~post3;#t~post4 := ~i~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post4)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post4)), 2147483647bv33);~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 05:28:00,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef2be148-5632-433f-a97b-602d07fa2ad3/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;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post3)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post3);havoc #t~post3;#t~post4 := ~i~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post4)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post4)), 2147483647bv33);~i~0 := ~bvadd~32(1bv32, #t~post4);havoc #t~post4;). Is there illegal control flow (e.g. loops) within an atomic block?