./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.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_a1cf7fb6-0114-410f-bac6-dda10567b110/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cf7fb6-0114-410f-bac6-dda10567b110/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cf7fb6-0114-410f-bac6-dda10567b110/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cf7fb6-0114-410f-bac6-dda10567b110/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cf7fb6-0114-410f-bac6-dda10567b110/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cf7fb6-0114-410f-bac6-dda10567b110/bin/ukojak-verify-CZk0znPC7b --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 2e9e4bd6e9b16aa5f22ad2335ca34ba741869a12ab5a04a80108cf42ed170c0f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:04:04,524 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:04:04,581 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cf7fb6-0114-410f-bac6-dda10567b110/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 00:04:04,586 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:04:04,586 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:04:04,606 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:04:04,607 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:04:04,607 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:04:04,607 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:04:04,608 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:04:04,608 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:04:04,608 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:04:04,608 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:04:04,608 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:04:04,608 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:04:04,608 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:04:04,608 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:04:04,608 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:04:04,608 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:04:04,608 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:04:04,609 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:04:04,609 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:04:04,609 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:04:04,609 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:04:04,609 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:04:04,609 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:04:04,609 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:04:04,609 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:04:04,609 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:04:04,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:04:04,609 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:04:04,610 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:04:04,610 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:04:04,610 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:04:04,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:04:04,610 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_a1cf7fb6-0114-410f-bac6-dda10567b110/bin/ukojak-verify-CZk0znPC7b 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 -> 2e9e4bd6e9b16aa5f22ad2335ca34ba741869a12ab5a04a80108cf42ed170c0f [2024-12-06 00:04:04,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:04:04,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:04:04,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:04:04,866 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:04:04,867 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:04:04,868 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cf7fb6-0114-410f-bac6-dda10567b110/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2024-12-06 00:04:07,595 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cf7fb6-0114-410f-bac6-dda10567b110/bin/ukojak-verify-CZk0znPC7b/data/9eb6ab0f6/49e6eaa5b85b4f6ea58823e9e77e8eae/FLAG58c0f9935 [2024-12-06 00:04:07,800 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:04:07,800 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cf7fb6-0114-410f-bac6-dda10567b110/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2024-12-06 00:04:07,809 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cf7fb6-0114-410f-bac6-dda10567b110/bin/ukojak-verify-CZk0znPC7b/data/9eb6ab0f6/49e6eaa5b85b4f6ea58823e9e77e8eae/FLAG58c0f9935 [2024-12-06 00:04:08,167 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cf7fb6-0114-410f-bac6-dda10567b110/bin/ukojak-verify-CZk0znPC7b/data/9eb6ab0f6/49e6eaa5b85b4f6ea58823e9e77e8eae [2024-12-06 00:04:08,169 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:04:08,170 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:04:08,171 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:04:08,171 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:04:08,174 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:04:08,175 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:04:08" (1/1) ... [2024-12-06 00:04:08,176 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@314afadb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:08, skipping insertion in model container [2024-12-06 00:04:08,176 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:04:08" (1/1) ... [2024-12-06 00:04:08,193 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:04:08,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:04:08,362 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:04:08,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:04:08,407 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:04:08,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:08 WrapperNode [2024-12-06 00:04:08,408 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:04:08,409 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:04:08,409 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:04:08,409 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:04:08,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:08" (1/1) ... [2024-12-06 00:04:08,420 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:08" (1/1) ... [2024-12-06 00:04:08,439 INFO L138 Inliner]: procedures = 25, calls = 60, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 104 [2024-12-06 00:04:08,439 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:04:08,439 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:04:08,440 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:04:08,440 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:04:08,445 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:08" (1/1) ... [2024-12-06 00:04:08,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:08" (1/1) ... [2024-12-06 00:04:08,448 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:08" (1/1) ... [2024-12-06 00:04:08,448 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:08" (1/1) ... [2024-12-06 00:04:08,454 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:08" (1/1) ... [2024-12-06 00:04:08,456 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:08" (1/1) ... [2024-12-06 00:04:08,460 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:08" (1/1) ... [2024-12-06 00:04:08,462 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:08" (1/1) ... [2024-12-06 00:04:08,463 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:08" (1/1) ... [2024-12-06 00:04:08,465 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:04:08,466 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:04:08,466 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:04:08,466 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:04:08,467 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:08" (1/1) ... [2024-12-06 00:04:08,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:04:08,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cf7fb6-0114-410f-bac6-dda10567b110/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:04:08,498 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cf7fb6-0114-410f-bac6-dda10567b110/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:04:08,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cf7fb6-0114-410f-bac6-dda10567b110/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:04:08,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:04:08,526 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-06 00:04:08,526 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-06 00:04:08,526 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-06 00:04:08,526 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-06 00:04:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-06 00:04:08,527 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-06 00:04:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-12-06 00:04:08,527 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-12-06 00:04:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 00:04:08,527 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 00:04:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:04:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2024-12-06 00:04:08,527 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2024-12-06 00:04:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 00:04:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-12-06 00:04:08,527 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-12-06 00:04:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 00:04:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 00:04:08,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 00:04:08,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:04:08,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:04:08,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 00:04:08,529 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-06 00:04:08,640 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:04:08,642 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:04:09,032 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 00:04:09,032 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:04:09,212 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: #t~short2 := ~q1_back~0 >= 0 && ~q1_back~0 < ~n1~0;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;call #t~mem1 := read~int(~q1~0.base, ~q1~0.offset + 4 * ~q1_back~0, 4);#t~short2 := #t~mem1 == ~C~0;}EndParallelComposition). 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:146) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 00:04:09,218 INFO L158 Benchmark]: Toolchain (without parser) took 1047.20ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 86.4MB in the end (delta: 6.0MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. [2024-12-06 00:04:09,218 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 72.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:04:09,218 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.68ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 79.1MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:04:09,219 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.37ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 77.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:04:09,219 INFO L158 Benchmark]: Boogie Preprocessor took 25.66ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 76.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:04:09,219 INFO L158 Benchmark]: RCFGBuilder took 750.32ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 86.4MB in the end (delta: -10.3MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2024-12-06 00:04:09,222 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 72.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.68ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 79.1MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.37ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 77.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.66ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 76.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 750.32ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 86.4MB in the end (delta: -10.3MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: #t~short2 := ~q1_back~0 >= 0 && ~q1_back~0 < ~n1~0;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;call #t~mem1 := read~int(~q1~0.base, ~q1~0.offset + 4 * ~q1_back~0, 4);#t~short2 := #t~mem1 == ~C~0;}EndParallelComposition). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: #t~short2 := ~q1_back~0 >= 0 && ~q1_back~0 < ~n1~0;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;call #t~mem1 := read~int(~q1~0.base, ~q1~0.offset + 4 * ~q1_back~0, 4);#t~short2 := #t~mem1 == ~C~0;}EndParallelComposition). 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:146) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:04:09,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cf7fb6-0114-410f-bac6-dda10567b110/bin/ukojak-verify-CZk0znPC7b/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 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_a1cf7fb6-0114-410f-bac6-dda10567b110/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cf7fb6-0114-410f-bac6-dda10567b110/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cf7fb6-0114-410f-bac6-dda10567b110/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cf7fb6-0114-410f-bac6-dda10567b110/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cf7fb6-0114-410f-bac6-dda10567b110/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cf7fb6-0114-410f-bac6-dda10567b110/bin/ukojak-verify-CZk0znPC7b --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 2e9e4bd6e9b16aa5f22ad2335ca34ba741869a12ab5a04a80108cf42ed170c0f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:04:11,291 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:04:11,379 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cf7fb6-0114-410f-bac6-dda10567b110/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-12-06 00:04:11,404 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:04:11,404 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:04:11,404 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:04:11,405 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:04:11,405 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:04:11,405 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:04:11,405 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:04:11,405 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:04:11,406 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:04:11,406 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:04:11,406 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:04:11,406 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:04:11,406 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:04:11,406 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:04:11,406 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:04:11,406 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:04:11,406 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:04:11,406 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:04:11,407 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:04:11,407 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:04:11,407 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:04:11,407 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:04:11,407 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:04:11,407 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:04:11,407 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:04:11,407 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:04:11,407 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:04:11,408 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:04:11,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:04:11,408 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:04:11,408 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:04:11,408 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:04:11,408 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:04:11,408 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:04:11,408 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:04:11,408 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_a1cf7fb6-0114-410f-bac6-dda10567b110/bin/ukojak-verify-CZk0znPC7b 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 -> 2e9e4bd6e9b16aa5f22ad2335ca34ba741869a12ab5a04a80108cf42ed170c0f [2024-12-06 00:04:11,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:04:11,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:04:11,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:04:11,658 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:04:11,659 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:04:11,660 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cf7fb6-0114-410f-bac6-dda10567b110/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2024-12-06 00:04:14,356 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cf7fb6-0114-410f-bac6-dda10567b110/bin/ukojak-verify-CZk0znPC7b/data/f41aadb57/ff0fab73900841afb7f371f12b7433b9/FLAGff6977848 [2024-12-06 00:04:14,542 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:04:14,543 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cf7fb6-0114-410f-bac6-dda10567b110/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2024-12-06 00:04:14,551 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cf7fb6-0114-410f-bac6-dda10567b110/bin/ukojak-verify-CZk0znPC7b/data/f41aadb57/ff0fab73900841afb7f371f12b7433b9/FLAGff6977848 [2024-12-06 00:04:14,563 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cf7fb6-0114-410f-bac6-dda10567b110/bin/ukojak-verify-CZk0znPC7b/data/f41aadb57/ff0fab73900841afb7f371f12b7433b9 [2024-12-06 00:04:14,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:04:14,566 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:04:14,567 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:04:14,568 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:04:14,571 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:04:14,572 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:04:14" (1/1) ... [2024-12-06 00:04:14,572 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12f12a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:14, skipping insertion in model container [2024-12-06 00:04:14,573 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:04:14" (1/1) ... [2024-12-06 00:04:14,590 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:04:14,790 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 00:04:14,796 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:04:14,810 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:04:14,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:04:14,863 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:04:14,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:14 WrapperNode [2024-12-06 00:04:14,863 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:04:14,864 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:04:14,865 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:04:14,865 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:04:14,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:14" (1/1) ... [2024-12-06 00:04:14,882 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:14" (1/1) ... [2024-12-06 00:04:14,899 INFO L138 Inliner]: procedures = 27, calls = 60, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 95 [2024-12-06 00:04:14,899 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:04:14,900 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:04:14,900 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:04:14,900 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:04:14,908 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:14" (1/1) ... [2024-12-06 00:04:14,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:14" (1/1) ... [2024-12-06 00:04:14,912 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:14" (1/1) ... [2024-12-06 00:04:14,913 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:14" (1/1) ... [2024-12-06 00:04:14,923 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:14" (1/1) ... [2024-12-06 00:04:14,925 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:14" (1/1) ... [2024-12-06 00:04:14,928 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:14" (1/1) ... [2024-12-06 00:04:14,931 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:14" (1/1) ... [2024-12-06 00:04:14,932 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:14" (1/1) ... [2024-12-06 00:04:14,935 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:04:14,936 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:04:14,936 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:04:14,936 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:04:14,937 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:04:14" (1/1) ... [2024-12-06 00:04:14,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:04:14,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cf7fb6-0114-410f-bac6-dda10567b110/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:04:14,969 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cf7fb6-0114-410f-bac6-dda10567b110/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:04:14,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cf7fb6-0114-410f-bac6-dda10567b110/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:04:14,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:04:14,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:04:14,997 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-12-06 00:04:14,997 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-12-06 00:04:14,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 00:04:14,998 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-06 00:04:14,998 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-06 00:04:14,998 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-06 00:04:14,998 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-06 00:04:14,998 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-06 00:04:14,998 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-06 00:04:14,998 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-12-06 00:04:14,998 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-12-06 00:04:14,998 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 00:04:14,998 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 00:04:14,998 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2024-12-06 00:04:14,998 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2024-12-06 00:04:14,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 00:04:14,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 00:04:14,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 00:04:14,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:04:14,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:04:14,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 00:04:15,000 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-06 00:04:15,112 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:04:15,114 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:04:15,532 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 00:04:15,533 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:04:15,698 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: #t~short2 := ~bvsge~32(~q1_back~0, 0bv32) && ~bvslt~32(~q1_back~0, ~n1~0);BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;call #t~mem1 := read~intINTTYPE4(~q1~0.base, ~bvadd~32(~q1~0.offset, ~bvmul~32(4bv32, ~q1_back~0)), 4bv32);#t~short2 := #t~mem1 == ~C~0;}EndParallelComposition). 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:146) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 00:04:15,703 INFO L158 Benchmark]: Toolchain (without parser) took 1136.04ms. Allocated memory is still 92.3MB. Free memory was 70.1MB in the beginning and 36.0MB in the end (delta: 34.2MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2024-12-06 00:04:15,703 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:04:15,704 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.47ms. Allocated memory is still 92.3MB. Free memory was 70.0MB in the beginning and 56.2MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:04:15,704 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.10ms. Allocated memory is still 92.3MB. Free memory was 56.1MB in the beginning and 54.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:04:15,705 INFO L158 Benchmark]: Boogie Preprocessor took 35.36ms. Allocated memory is still 92.3MB. Free memory was 54.6MB in the beginning and 52.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:04:15,705 INFO L158 Benchmark]: RCFGBuilder took 765.65ms. Allocated memory is still 92.3MB. Free memory was 52.8MB in the beginning and 36.0MB in the end (delta: 16.8MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2024-12-06 00:04:15,707 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.47ms. Allocated memory is still 92.3MB. Free memory was 70.0MB in the beginning and 56.2MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.10ms. Allocated memory is still 92.3MB. Free memory was 56.1MB in the beginning and 54.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.36ms. Allocated memory is still 92.3MB. Free memory was 54.6MB in the beginning and 52.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 765.65ms. Allocated memory is still 92.3MB. Free memory was 52.8MB in the beginning and 36.0MB in the end (delta: 16.8MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: #t~short2 := ~bvsge~32(~q1_back~0, 0bv32) && ~bvslt~32(~q1_back~0, ~n1~0);BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;call #t~mem1 := read~intINTTYPE4(~q1~0.base, ~bvadd~32(~q1~0.offset, ~bvmul~32(4bv32, ~q1_back~0)), 4bv32);#t~short2 := #t~mem1 == ~C~0;}EndParallelComposition). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: #t~short2 := ~bvsge~32(~q1_back~0, 0bv32) && ~bvslt~32(~q1_back~0, ~n1~0);BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;call #t~mem1 := read~intINTTYPE4(~q1~0.base, ~bvadd~32(~q1~0.offset, ~bvmul~32(4bv32, ~q1_back~0)), 4bv32);#t~short2 := #t~mem1 == ~C~0;}EndParallelComposition). 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:146) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:04:15,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1cf7fb6-0114-410f-bac6-dda10567b110/bin/ukojak-verify-CZk0znPC7b/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 start of atomic block: #t~short2 := ~bvsge~32(~q1_back~0, 0bv32) && ~bvslt~32(~q1_back~0, ~n1~0);BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;call #t~mem1 := read~intINTTYPE4(~q1~0.base, ~bvadd~32(~q1~0.offset, ~bvmul~32(4bv32, ~q1_back~0)), 4bv32);#t~short2 := #t~mem1 == ~C~0;}EndParallelComposition). Is there illegal control flow (e.g. loops) within an atomic block?