./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-more-queue-add-3-nl.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_b6acff07-a42e-46e8-904f-5bcabcbe881b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acff07-a42e-46e8-904f-5bcabcbe881b/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_b6acff07-a42e-46e8-904f-5bcabcbe881b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acff07-a42e-46e8-904f-5bcabcbe881b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-queue-add-3-nl.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acff07-a42e-46e8-904f-5bcabcbe881b/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_b6acff07-a42e-46e8-904f-5bcabcbe881b/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 5dd003755f1e361f3bbf00c3bfecbc1131b6df98a7806f5bb08971966b13d6ac --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:17:52,967 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:17:53,021 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acff07-a42e-46e8-904f-5bcabcbe881b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 00:17:53,024 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:17:53,025 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:17:53,043 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:17:53,044 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:17:53,044 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:17:53,045 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:17:53,045 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:17:53,045 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:17:53,045 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:17:53,045 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:17:53,045 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:17:53,045 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:17:53,046 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:17:53,046 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:17:53,046 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:17:53,046 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:17:53,046 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:17:53,046 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:17:53,046 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:17:53,046 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:17:53,046 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:17:53,046 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:17:53,047 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:17:53,047 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:17:53,047 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:17:53,047 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:17:53,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:17:53,047 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:17:53,047 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:17:53,047 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:17:53,048 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:17:53,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:17:53,048 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_b6acff07-a42e-46e8-904f-5bcabcbe881b/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 -> 5dd003755f1e361f3bbf00c3bfecbc1131b6df98a7806f5bb08971966b13d6ac [2024-12-06 00:17:53,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:17:53,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:17:53,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:17:53,273 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:17:53,274 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:17:53,275 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acff07-a42e-46e8-904f-5bcabcbe881b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/weaver/popl20-more-queue-add-3-nl.wvr.c [2024-12-06 00:17:55,922 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acff07-a42e-46e8-904f-5bcabcbe881b/bin/ukojak-verify-CZk0znPC7b/data/c82775abb/0f5a538f65fe4f2e8f7b7721dc58f731/FLAGfc3420819 [2024-12-06 00:17:56,113 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:17:56,114 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acff07-a42e-46e8-904f-5bcabcbe881b/sv-benchmarks/c/weaver/popl20-more-queue-add-3-nl.wvr.c [2024-12-06 00:17:56,122 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acff07-a42e-46e8-904f-5bcabcbe881b/bin/ukojak-verify-CZk0znPC7b/data/c82775abb/0f5a538f65fe4f2e8f7b7721dc58f731/FLAGfc3420819 [2024-12-06 00:17:56,482 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acff07-a42e-46e8-904f-5bcabcbe881b/bin/ukojak-verify-CZk0znPC7b/data/c82775abb/0f5a538f65fe4f2e8f7b7721dc58f731 [2024-12-06 00:17:56,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:17:56,485 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:17:56,486 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:17:56,486 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:17:56,489 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:17:56,489 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:17:56" (1/1) ... [2024-12-06 00:17:56,490 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74a2054d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:56, skipping insertion in model container [2024-12-06 00:17:56,490 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:17:56" (1/1) ... [2024-12-06 00:17:56,501 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:17:56,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:17:56,645 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:17:56,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:17:56,679 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:17:56,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:56 WrapperNode [2024-12-06 00:17:56,680 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:17:56,680 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:17:56,681 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:17:56,681 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:17:56,685 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:56" (1/1) ... [2024-12-06 00:17:56,692 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:56" (1/1) ... [2024-12-06 00:17:56,709 INFO L138 Inliner]: procedures = 25, calls = 41, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 85 [2024-12-06 00:17:56,709 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:17:56,710 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:17:56,710 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:17:56,710 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:17:56,715 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:56" (1/1) ... [2024-12-06 00:17:56,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:56" (1/1) ... [2024-12-06 00:17:56,718 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:56" (1/1) ... [2024-12-06 00:17:56,719 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:56" (1/1) ... [2024-12-06 00:17:56,726 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:56" (1/1) ... [2024-12-06 00:17:56,728 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:56" (1/1) ... [2024-12-06 00:17:56,731 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:56" (1/1) ... [2024-12-06 00:17:56,733 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:56" (1/1) ... [2024-12-06 00:17:56,734 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:56" (1/1) ... [2024-12-06 00:17:56,737 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:17:56,738 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:17:56,738 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:17:56,738 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:17:56,739 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:56" (1/1) ... [2024-12-06 00:17:56,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:17:56,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acff07-a42e-46e8-904f-5bcabcbe881b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:17:56,768 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acff07-a42e-46e8-904f-5bcabcbe881b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:17:56,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acff07-a42e-46e8-904f-5bcabcbe881b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:17:56,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:17:56,797 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-06 00:17:56,797 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-06 00:17:56,797 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-06 00:17:56,797 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-06 00:17:56,797 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-06 00:17:56,797 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-06 00:17:56,798 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 00:17:56,798 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 00:17:56,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:17:56,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 00:17:56,798 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-12-06 00:17:56,798 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-12-06 00:17:56,798 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 00:17:56,798 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 00:17:56,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 00:17:56,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:17:56,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:17:56,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 00:17:56,800 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 00:17:56,877 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:17:56,879 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:17:57,156 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 00:17:57,157 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:17:57,259 WARN L170 LargeBlockEncoding]: Complex 2:4 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-12-06 00:17:57,284 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: havoc #t~mem1;#t~post2 := ~q1_back~0;assume 1 + #t~post2 >= -2147483648;assume 1 + #t~post2 <= 2147483647;~q1_back~0 := 1 + #t~post2;havoc #t~post2;). 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 00:17:57,290 INFO L158 Benchmark]: Toolchain (without parser) took 804.34ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 67.7MB in the end (delta: 49.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-06 00:17:57,290 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:17:57,291 INFO L158 Benchmark]: CACSL2BoogieTranslator took 194.56ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 104.4MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:17:57,291 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.68ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 103.1MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:17:57,291 INFO L158 Benchmark]: Boogie Preprocessor took 27.27ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 101.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:17:57,292 INFO L158 Benchmark]: RCFGBuilder took 550.55ms. Allocated memory is still 142.6MB. Free memory was 101.8MB in the beginning and 67.7MB in the end (delta: 34.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 00:17:57,294 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 194.56ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 104.4MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.68ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 103.1MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.27ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 101.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 550.55ms. Allocated memory is still 142.6MB. Free memory was 101.8MB in the beginning and 67.7MB in the end (delta: 34.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem1;#t~post2 := ~q1_back~0;assume 1 + #t~post2 >= -2147483648;assume 1 + #t~post2 <= 2147483647;~q1_back~0 := 1 + #t~post2;havoc #t~post2;). 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: havoc #t~mem1;#t~post2 := ~q1_back~0;assume 1 + #t~post2 >= -2147483648;assume 1 + #t~post2 <= 2147483647;~q1_back~0 := 1 + #t~post2;havoc #t~post2;). 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. [2024-12-06 00:17:57,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acff07-a42e-46e8-904f-5bcabcbe881b/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_b6acff07-a42e-46e8-904f-5bcabcbe881b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acff07-a42e-46e8-904f-5bcabcbe881b/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_b6acff07-a42e-46e8-904f-5bcabcbe881b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acff07-a42e-46e8-904f-5bcabcbe881b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-queue-add-3-nl.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acff07-a42e-46e8-904f-5bcabcbe881b/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_b6acff07-a42e-46e8-904f-5bcabcbe881b/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 5dd003755f1e361f3bbf00c3bfecbc1131b6df98a7806f5bb08971966b13d6ac --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:17:59,237 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:17:59,311 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acff07-a42e-46e8-904f-5bcabcbe881b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-12-06 00:17:59,339 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:17:59,340 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:17:59,340 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:17:59,340 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:17:59,341 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:17:59,341 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:17:59,341 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:17:59,341 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:17:59,341 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:17:59,342 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:17:59,342 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:17:59,342 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:17:59,342 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:17:59,342 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:17:59,342 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:17:59,342 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:17:59,342 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:17:59,343 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:17:59,343 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:17:59,343 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:17:59,343 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:17:59,343 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:17:59,343 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:17:59,343 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:17:59,343 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:17:59,343 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:17:59,344 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:17:59,344 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:17:59,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:17:59,344 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:17:59,344 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:17:59,344 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:17:59,344 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:17:59,344 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:17:59,344 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:17:59,344 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_b6acff07-a42e-46e8-904f-5bcabcbe881b/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 -> 5dd003755f1e361f3bbf00c3bfecbc1131b6df98a7806f5bb08971966b13d6ac [2024-12-06 00:17:59,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:17:59,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:17:59,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:17:59,621 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:17:59,622 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:17:59,623 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acff07-a42e-46e8-904f-5bcabcbe881b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/weaver/popl20-more-queue-add-3-nl.wvr.c [2024-12-06 00:18:02,278 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acff07-a42e-46e8-904f-5bcabcbe881b/bin/ukojak-verify-CZk0znPC7b/data/a9f11bce5/4fa5daa7fa194edcbe03000c6008f8bf/FLAG15585df15 [2024-12-06 00:18:02,469 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:18:02,470 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acff07-a42e-46e8-904f-5bcabcbe881b/sv-benchmarks/c/weaver/popl20-more-queue-add-3-nl.wvr.c [2024-12-06 00:18:02,478 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acff07-a42e-46e8-904f-5bcabcbe881b/bin/ukojak-verify-CZk0znPC7b/data/a9f11bce5/4fa5daa7fa194edcbe03000c6008f8bf/FLAG15585df15 [2024-12-06 00:18:02,492 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acff07-a42e-46e8-904f-5bcabcbe881b/bin/ukojak-verify-CZk0znPC7b/data/a9f11bce5/4fa5daa7fa194edcbe03000c6008f8bf [2024-12-06 00:18:02,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:18:02,495 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:18:02,497 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:18:02,497 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:18:02,500 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:18:02,501 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:18:02" (1/1) ... [2024-12-06 00:18:02,502 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a314916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:18:02, skipping insertion in model container [2024-12-06 00:18:02,502 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:18:02" (1/1) ... [2024-12-06 00:18:02,518 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:18:02,674 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 00:18:02,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:18:02,688 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:18:02,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:18:02,730 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:18:02,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:18:02 WrapperNode [2024-12-06 00:18:02,731 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:18:02,732 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:18:02,732 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:18:02,732 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:18:02,738 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:18:02" (1/1) ... [2024-12-06 00:18:02,748 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:18:02" (1/1) ... [2024-12-06 00:18:02,768 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2024-12-06 00:18:02,768 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:18:02,769 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:18:02,769 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:18:02,769 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:18:02,776 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:18:02" (1/1) ... [2024-12-06 00:18:02,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:18:02" (1/1) ... [2024-12-06 00:18:02,780 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:18:02" (1/1) ... [2024-12-06 00:18:02,781 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:18:02" (1/1) ... [2024-12-06 00:18:02,792 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:18:02" (1/1) ... [2024-12-06 00:18:02,793 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:18:02" (1/1) ... [2024-12-06 00:18:02,798 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:18:02" (1/1) ... [2024-12-06 00:18:02,800 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:18:02" (1/1) ... [2024-12-06 00:18:02,801 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:18:02" (1/1) ... [2024-12-06 00:18:02,804 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:18:02,805 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:18:02,805 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:18:02,805 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:18:02,806 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:18:02" (1/1) ... [2024-12-06 00:18:02,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:18:02,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acff07-a42e-46e8-904f-5bcabcbe881b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:18:02,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acff07-a42e-46e8-904f-5bcabcbe881b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:18:02,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acff07-a42e-46e8-904f-5bcabcbe881b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:18:02,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:18:02,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:18:02,861 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-12-06 00:18:02,861 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-12-06 00:18:02,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 00:18:02,862 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-06 00:18:02,862 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-06 00:18:02,862 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-06 00:18:02,862 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-06 00:18:02,862 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-06 00:18:02,862 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-06 00:18:02,862 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 00:18:02,862 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 00:18:02,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 00:18:02,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 00:18:02,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 00:18:02,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:18:02,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:18:02,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 00:18:02,864 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 00:18:02,963 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:18:02,965 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:18:03,283 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 00:18:03,283 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:18:03,407 WARN L170 LargeBlockEncoding]: Complex 2:4 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-12-06 00:18:03,432 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: havoc #t~mem1;#t~post2 := ~q1_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post2)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post2)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;). 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 00:18:03,437 INFO L158 Benchmark]: Toolchain (without parser) took 940.90ms. Allocated memory is still 92.3MB. Free memory was 69.6MB in the beginning and 44.2MB in the end (delta: 25.3MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2024-12-06 00:18:03,437 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 83.9MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:18:03,438 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.01ms. Allocated memory is still 92.3MB. Free memory was 69.4MB in the beginning and 56.1MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:18:03,438 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.42ms. Allocated memory is still 92.3MB. Free memory was 56.1MB in the beginning and 54.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:18:03,438 INFO L158 Benchmark]: Boogie Preprocessor took 35.20ms. Allocated memory is still 92.3MB. Free memory was 54.7MB in the beginning and 53.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:18:03,439 INFO L158 Benchmark]: RCFGBuilder took 630.27ms. Allocated memory is still 92.3MB. Free memory was 53.1MB in the beginning and 44.2MB in the end (delta: 8.9MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-12-06 00:18:03,440 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 83.9MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.01ms. Allocated memory is still 92.3MB. Free memory was 69.4MB in the beginning and 56.1MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.42ms. Allocated memory is still 92.3MB. Free memory was 56.1MB in the beginning and 54.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.20ms. Allocated memory is still 92.3MB. Free memory was 54.7MB in the beginning and 53.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 630.27ms. Allocated memory is still 92.3MB. Free memory was 53.1MB in the beginning and 44.2MB in the end (delta: 8.9MB). Peak memory consumption was 20.0MB. 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: havoc #t~mem1;#t~post2 := ~q1_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post2)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post2)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;). 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: havoc #t~mem1;#t~post2 := ~q1_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post2)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post2)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;). 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. [2024-12-06 00:18:03,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acff07-a42e-46e8-904f-5bcabcbe881b/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 end of atomic block: havoc #t~mem1;#t~post2 := ~q1_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post2)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post2)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;). Is there illegal control flow (e.g. loops) within an atomic block?