./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2632a3-fcd5-4705-8ba2-afec8ac94bcc/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2632a3-fcd5-4705-8ba2-afec8ac94bcc/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2632a3-fcd5-4705-8ba2-afec8ac94bcc/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2632a3-fcd5-4705-8ba2-afec8ac94bcc/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2632a3-fcd5-4705-8ba2-afec8ac94bcc/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2632a3-fcd5-4705-8ba2-afec8ac94bcc/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7888761977ccc49b1a75199021e374591654c6a4364e63bfc6c86e1c7bb7d64b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:11:28,452 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:11:28,520 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2632a3-fcd5-4705-8ba2-afec8ac94bcc/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:11:28,525 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:11:28,525 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:11:28,548 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:11:28,549 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:11:28,549 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:11:28,549 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:11:28,550 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:11:28,550 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:11:28,550 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:11:28,550 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:11:28,550 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:11:28,550 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:11:28,550 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:11:28,550 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:11:28,550 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:11:28,551 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:11:28,551 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:11:28,551 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:11:28,551 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:11:28,551 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:11:28,551 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:11:28,551 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:11:28,551 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:11:28,552 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:11:28,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:11:28,552 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:11:28,552 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:11:28,552 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:11:28,552 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:11:28,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:11:28,552 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_1d2632a3-fcd5-4705-8ba2-afec8ac94bcc/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7888761977ccc49b1a75199021e374591654c6a4364e63bfc6c86e1c7bb7d64b [2024-11-25 03:11:28,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:11:28,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:11:28,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:11:28,859 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:11:28,859 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:11:28,860 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2632a3-fcd5-4705-8ba2-afec8ac94bcc/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/weaver/popl20-more-buffer-mult3.wvr.c [2024-11-25 03:11:31,939 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2632a3-fcd5-4705-8ba2-afec8ac94bcc/bin/ukojak-verify-ENZ3QT5qd3/data/0fcdba0ad/987228a9f7e14aaebf7e12498e689b93/FLAGd95bc1ddc [2024-11-25 03:11:32,325 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:11:32,326 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2632a3-fcd5-4705-8ba2-afec8ac94bcc/sv-benchmarks/c/weaver/popl20-more-buffer-mult3.wvr.c [2024-11-25 03:11:32,338 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2632a3-fcd5-4705-8ba2-afec8ac94bcc/bin/ukojak-verify-ENZ3QT5qd3/data/0fcdba0ad/987228a9f7e14aaebf7e12498e689b93/FLAGd95bc1ddc [2024-11-25 03:11:32,517 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2632a3-fcd5-4705-8ba2-afec8ac94bcc/bin/ukojak-verify-ENZ3QT5qd3/data/0fcdba0ad/987228a9f7e14aaebf7e12498e689b93 [2024-11-25 03:11:32,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:11:32,528 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:11:32,531 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:11:32,531 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:11:32,538 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:11:32,539 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:11:32" (1/1) ... [2024-11-25 03:11:32,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bca74b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:32, skipping insertion in model container [2024-11-25 03:11:32,542 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:11:32" (1/1) ... [2024-11-25 03:11:32,578 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:11:32,807 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2632a3-fcd5-4705-8ba2-afec8ac94bcc/sv-benchmarks/c/weaver/popl20-more-buffer-mult3.wvr.c[4270,4283] [2024-11-25 03:11:32,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:11:32,831 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:11:32,880 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2632a3-fcd5-4705-8ba2-afec8ac94bcc/sv-benchmarks/c/weaver/popl20-more-buffer-mult3.wvr.c[4270,4283] [2024-11-25 03:11:32,888 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:11:32,904 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:11:32,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:32 WrapperNode [2024-11-25 03:11:32,906 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:11:32,907 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:11:32,907 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:11:32,907 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:11:32,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:32" (1/1) ... [2024-11-25 03:11:32,926 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:32" (1/1) ... [2024-11-25 03:11:32,944 INFO L138 Inliner]: procedures = 26, calls = 60, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 90 [2024-11-25 03:11:32,944 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:11:32,945 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:11:32,945 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:11:32,945 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:11:32,952 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:32" (1/1) ... [2024-11-25 03:11:32,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:32" (1/1) ... [2024-11-25 03:11:32,956 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:32" (1/1) ... [2024-11-25 03:11:32,956 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:32" (1/1) ... [2024-11-25 03:11:32,964 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:32" (1/1) ... [2024-11-25 03:11:32,966 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:32" (1/1) ... [2024-11-25 03:11:32,969 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:32" (1/1) ... [2024-11-25 03:11:32,971 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:32" (1/1) ... [2024-11-25 03:11:32,972 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:32" (1/1) ... [2024-11-25 03:11:32,975 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:11:32,976 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:11:32,976 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:11:32,980 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:11:32,981 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:32" (1/1) ... [2024-11-25 03:11:32,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:11:33,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2632a3-fcd5-4705-8ba2-afec8ac94bcc/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:11:33,019 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2632a3-fcd5-4705-8ba2-afec8ac94bcc/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:11:33,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2632a3-fcd5-4705-8ba2-afec8ac94bcc/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:11:33,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:11:33,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 03:11:33,057 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-11-25 03:11:33,057 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-11-25 03:11:33,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 03:11:33,057 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-25 03:11:33,057 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-25 03:11:33,057 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-25 03:11:33,057 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-25 03:11:33,058 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-25 03:11:33,058 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-25 03:11:33,058 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-25 03:11:33,058 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-25 03:11:33,058 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 03:11:33,058 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 03:11:33,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:11:33,058 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2024-11-25 03:11:33,058 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2024-11-25 03:11:33,058 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-25 03:11:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-25 03:11:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 03:11:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:11:33,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:11:33,060 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-25 03:11:33,186 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:11:33,188 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:11:33,518 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-25 03:11:33,518 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:11:33,643 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 := ~i~0;~i~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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 03:11:33,651 INFO L158 Benchmark]: Toolchain (without parser) took 1121.88ms. Allocated memory is still 117.4MB. Free memory was 94.2MB in the beginning and 51.4MB in the end (delta: 42.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 03:11:33,653 INFO L158 Benchmark]: CDTParser took 1.52ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:11:33,653 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.72ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 80.8MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:11:33,654 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.32ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.5MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:11:33,654 INFO L158 Benchmark]: Boogie Preprocessor took 30.22ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 78.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:11:33,654 INFO L158 Benchmark]: RCFGBuilder took 671.93ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 51.4MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 03:11:33,659 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.52ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 375.72ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 80.8MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.32ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.5MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.22ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 78.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 671.93ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 51.4MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem1;#t~post2 := ~i~0;~i~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 := ~i~0;~i~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. [2024-11-25 03:11:33,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2632a3-fcd5-4705-8ba2-afec8ac94bcc/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2632a3-fcd5-4705-8ba2-afec8ac94bcc/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2632a3-fcd5-4705-8ba2-afec8ac94bcc/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2632a3-fcd5-4705-8ba2-afec8ac94bcc/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2632a3-fcd5-4705-8ba2-afec8ac94bcc/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2632a3-fcd5-4705-8ba2-afec8ac94bcc/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2632a3-fcd5-4705-8ba2-afec8ac94bcc/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7888761977ccc49b1a75199021e374591654c6a4364e63bfc6c86e1c7bb7d64b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:11:36,319 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:11:36,455 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2632a3-fcd5-4705-8ba2-afec8ac94bcc/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 03:11:36,509 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:11:36,511 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:11:36,512 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:11:36,512 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:11:36,512 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:11:36,512 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:11:36,512 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:11:36,513 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:11:36,513 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:11:36,513 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:11:36,513 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:11:36,513 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:11:36,513 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:11:36,513 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:11:36,513 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:11:36,513 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:11:36,514 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:11:36,514 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:11:36,514 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:11:36,514 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:11:36,514 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:11:36,514 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:11:36,514 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:11:36,514 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:11:36,514 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:11:36,515 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:11:36,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:11:36,516 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:11:36,516 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:11:36,517 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:11:36,517 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:11:36,517 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:11:36,517 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:11:36,517 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_1d2632a3-fcd5-4705-8ba2-afec8ac94bcc/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7888761977ccc49b1a75199021e374591654c6a4364e63bfc6c86e1c7bb7d64b [2024-11-25 03:11:36,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:11:36,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:11:36,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:11:36,853 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:11:36,853 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:11:36,854 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2632a3-fcd5-4705-8ba2-afec8ac94bcc/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/weaver/popl20-more-buffer-mult3.wvr.c [2024-11-25 03:11:39,812 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2632a3-fcd5-4705-8ba2-afec8ac94bcc/bin/ukojak-verify-ENZ3QT5qd3/data/4925e4d08/5ec1d6fad650499389a016f6b5920b1b/FLAG4aa348ae9 [2024-11-25 03:11:40,067 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:11:40,068 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2632a3-fcd5-4705-8ba2-afec8ac94bcc/sv-benchmarks/c/weaver/popl20-more-buffer-mult3.wvr.c [2024-11-25 03:11:40,076 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2632a3-fcd5-4705-8ba2-afec8ac94bcc/bin/ukojak-verify-ENZ3QT5qd3/data/4925e4d08/5ec1d6fad650499389a016f6b5920b1b/FLAG4aa348ae9 [2024-11-25 03:11:40,090 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2632a3-fcd5-4705-8ba2-afec8ac94bcc/bin/ukojak-verify-ENZ3QT5qd3/data/4925e4d08/5ec1d6fad650499389a016f6b5920b1b [2024-11-25 03:11:40,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:11:40,094 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:11:40,095 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:11:40,096 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:11:40,099 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:11:40,100 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:11:40" (1/1) ... [2024-11-25 03:11:40,100 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63209d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:40, skipping insertion in model container [2024-11-25 03:11:40,101 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:11:40" (1/1) ... [2024-11-25 03:11:40,119 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:11:40,375 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2632a3-fcd5-4705-8ba2-afec8ac94bcc/sv-benchmarks/c/weaver/popl20-more-buffer-mult3.wvr.c[4270,4283] [2024-11-25 03:11:40,381 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 03:11:40,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:11:40,409 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:11:40,458 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2632a3-fcd5-4705-8ba2-afec8ac94bcc/sv-benchmarks/c/weaver/popl20-more-buffer-mult3.wvr.c[4270,4283] [2024-11-25 03:11:40,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:11:40,490 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:11:40,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:40 WrapperNode [2024-11-25 03:11:40,491 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:11:40,492 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:11:40,493 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:11:40,493 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:11:40,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:40" (1/1) ... [2024-11-25 03:11:40,513 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:40" (1/1) ... [2024-11-25 03:11:40,536 INFO L138 Inliner]: procedures = 28, calls = 60, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 84 [2024-11-25 03:11:40,536 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:11:40,537 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:11:40,537 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:11:40,537 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:11:40,547 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:40" (1/1) ... [2024-11-25 03:11:40,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:40" (1/1) ... [2024-11-25 03:11:40,557 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:40" (1/1) ... [2024-11-25 03:11:40,558 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:40" (1/1) ... [2024-11-25 03:11:40,576 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:40" (1/1) ... [2024-11-25 03:11:40,581 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:40" (1/1) ... [2024-11-25 03:11:40,588 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:40" (1/1) ... [2024-11-25 03:11:40,590 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:40" (1/1) ... [2024-11-25 03:11:40,596 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:40" (1/1) ... [2024-11-25 03:11:40,598 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:11:40,605 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:11:40,605 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:11:40,605 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:11:40,606 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:11:40" (1/1) ... [2024-11-25 03:11:40,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:11:40,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2632a3-fcd5-4705-8ba2-afec8ac94bcc/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:11:40,646 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2632a3-fcd5-4705-8ba2-afec8ac94bcc/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:11:40,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2632a3-fcd5-4705-8ba2-afec8ac94bcc/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:11:40,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:11:40,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:11:40,685 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-11-25 03:11:40,685 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-11-25 03:11:40,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-25 03:11:40,685 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-25 03:11:40,685 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-25 03:11:40,685 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-25 03:11:40,686 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-25 03:11:40,686 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-25 03:11:40,686 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-25 03:11:40,686 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-25 03:11:40,686 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-25 03:11:40,686 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 03:11:40,686 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 03:11:40,686 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2024-11-25 03:11:40,687 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2024-11-25 03:11:40,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-25 03:11:40,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-25 03:11:40,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 03:11:40,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:11:40,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:11:40,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-25 03:11:40,689 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-25 03:11:40,824 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:11:40,826 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:11:41,239 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-25 03:11:41,239 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:11:41,413 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 := ~i~0;~i~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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 03:11:41,419 INFO L158 Benchmark]: Toolchain (without parser) took 1324.64ms. Allocated memory is still 83.9MB. Free memory was 60.2MB in the beginning and 51.4MB in the end (delta: 8.8MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2024-11-25 03:11:41,421 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory was 64.7MB in the beginning and 64.7MB in the end (delta: 35.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:11:41,421 INFO L158 Benchmark]: CACSL2BoogieTranslator took 396.59ms. Allocated memory is still 83.9MB. Free memory was 60.2MB in the beginning and 46.4MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:11:41,422 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.11ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 44.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:11:41,422 INFO L158 Benchmark]: Boogie Preprocessor took 61.39ms. Allocated memory is still 83.9MB. Free memory was 44.9MB in the beginning and 43.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:11:41,422 INFO L158 Benchmark]: RCFGBuilder took 812.45ms. Allocated memory is still 83.9MB. Free memory was 43.5MB in the beginning and 51.4MB in the end (delta: -8.0MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2024-11-25 03:11:41,428 INFO L338 ainManager$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 83.9MB. Free memory was 64.7MB in the beginning and 64.7MB in the end (delta: 35.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 396.59ms. Allocated memory is still 83.9MB. Free memory was 60.2MB in the beginning and 46.4MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.11ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 44.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 61.39ms. Allocated memory is still 83.9MB. Free memory was 44.9MB in the beginning and 43.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 812.45ms. Allocated memory is still 83.9MB. Free memory was 43.5MB in the beginning and 51.4MB in the end (delta: -8.0MB). Peak memory consumption was 29.1MB. 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 := ~i~0;~i~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 := ~i~0;~i~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. [2024-11-25 03:11:41,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d2632a3-fcd5-4705-8ba2-afec8ac94bcc/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem1;#t~post2 := ~i~0;~i~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;). Is there illegal control flow (e.g. loops) within an atomic block?