./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-mts.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_d6d4db63-10c8-4c5d-af0e-cf942d177260/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d4db63-10c8-4c5d-af0e-cf942d177260/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_d6d4db63-10c8-4c5d-af0e-cf942d177260/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d4db63-10c8-4c5d-af0e-cf942d177260/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-mts.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d4db63-10c8-4c5d-af0e-cf942d177260/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d4db63-10c8-4c5d-af0e-cf942d177260/bin/ukojak-verify-CZk0znPC7b --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 cc67bee348fb2ffff05c0616660a93fb872177c05d08813d910a29641aea282e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:15:26,106 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:15:26,157 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d4db63-10c8-4c5d-af0e-cf942d177260/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:15:26,161 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:15:26,161 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:15:26,180 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:15:26,180 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:15:26,181 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:15:26,181 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:15:26,181 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:15:26,181 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:15:26,181 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:15:26,181 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:15:26,181 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:15:26,182 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:15:26,182 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:15:26,182 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:15:26,182 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:15:26,182 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:15:26,182 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:15:26,182 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:15:26,182 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:15:26,182 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:15:26,182 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:15:26,183 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:15:26,183 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:15:26,183 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:15:26,183 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:15:26,183 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:15:26,183 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:15:26,183 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:15:26,183 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:15:26,183 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:15:26,184 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_d6d4db63-10c8-4c5d-af0e-cf942d177260/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 ! 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 -> cc67bee348fb2ffff05c0616660a93fb872177c05d08813d910a29641aea282e [2024-12-06 01:15:26,385 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:15:26,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:15:26,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:15:26,395 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:15:26,395 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:15:26,396 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d4db63-10c8-4c5d-af0e-cf942d177260/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/weaver/popl20-more-mts.wvr.c [2024-12-06 01:15:29,037 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d4db63-10c8-4c5d-af0e-cf942d177260/bin/ukojak-verify-CZk0znPC7b/data/ecabcdea2/59e7e83e9a324f34a8d1fc8403b15843/FLAGa5e977b87 [2024-12-06 01:15:29,245 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:15:29,246 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d4db63-10c8-4c5d-af0e-cf942d177260/sv-benchmarks/c/weaver/popl20-more-mts.wvr.c [2024-12-06 01:15:29,252 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d4db63-10c8-4c5d-af0e-cf942d177260/bin/ukojak-verify-CZk0znPC7b/data/ecabcdea2/59e7e83e9a324f34a8d1fc8403b15843/FLAGa5e977b87 [2024-12-06 01:15:29,617 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d4db63-10c8-4c5d-af0e-cf942d177260/bin/ukojak-verify-CZk0znPC7b/data/ecabcdea2/59e7e83e9a324f34a8d1fc8403b15843 [2024-12-06 01:15:29,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:15:29,619 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:15:29,620 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:15:29,620 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:15:29,623 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:15:29,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:15:29" (1/1) ... [2024-12-06 01:15:29,624 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@330deb00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:29, skipping insertion in model container [2024-12-06 01:15:29,624 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:15:29" (1/1) ... [2024-12-06 01:15:29,635 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:15:29,758 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_d6d4db63-10c8-4c5d-af0e-cf942d177260/sv-benchmarks/c/weaver/popl20-more-mts.wvr.c[2572,2585] [2024-12-06 01:15:29,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:15:29,775 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:15:29,793 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_d6d4db63-10c8-4c5d-af0e-cf942d177260/sv-benchmarks/c/weaver/popl20-more-mts.wvr.c[2572,2585] [2024-12-06 01:15:29,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:15:29,810 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:15:29,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:29 WrapperNode [2024-12-06 01:15:29,810 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:15:29,811 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:15:29,811 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:15:29,811 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:15:29,816 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:29" (1/1) ... [2024-12-06 01:15:29,822 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:29" (1/1) ... [2024-12-06 01:15:29,838 INFO L138 Inliner]: procedures = 24, calls = 31, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2024-12-06 01:15:29,838 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:15:29,839 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:15:29,839 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:15:29,839 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:15:29,844 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:29" (1/1) ... [2024-12-06 01:15:29,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:29" (1/1) ... [2024-12-06 01:15:29,846 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:29" (1/1) ... [2024-12-06 01:15:29,847 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:29" (1/1) ... [2024-12-06 01:15:29,853 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:29" (1/1) ... [2024-12-06 01:15:29,854 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:29" (1/1) ... [2024-12-06 01:15:29,857 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:29" (1/1) ... [2024-12-06 01:15:29,859 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:29" (1/1) ... [2024-12-06 01:15:29,859 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:29" (1/1) ... [2024-12-06 01:15:29,861 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:15:29,862 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:15:29,862 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:15:29,862 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:15:29,863 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:29" (1/1) ... [2024-12-06 01:15:29,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:15:29,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d4db63-10c8-4c5d-af0e-cf942d177260/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:15:29,888 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d4db63-10c8-4c5d-af0e-cf942d177260/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:15:29,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d4db63-10c8-4c5d-af0e-cf942d177260/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:15:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:15:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-06 01:15:29,913 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-06 01:15:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-06 01:15:29,913 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-06 01:15:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-06 01:15:29,914 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-06 01:15:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 01:15:29,914 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 01:15:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:15:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2024-12-06 01:15:29,914 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2024-12-06 01:15:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 01:15:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 01:15:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 01:15:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 01:15:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:15:29,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:15:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 01:15:29,916 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 01:15:29,999 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:15:30,001 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:15:30,219 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 01:15:30,219 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:15:30,317 WARN L170 LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-12-06 01:15:30,324 WARN L170 LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-12-06 01:15:30,332 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: assume -2147483648 <= #t~ret16 && #t~ret16 <= 2147483647;~sum~0 := #t~ret16;havoc #t~mem15;havoc #t~ret16;). 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 01:15:30,337 INFO L158 Benchmark]: Toolchain (without parser) took 717.53ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 70.2MB in the end (delta: 46.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-06 01:15:30,337 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:15:30,338 INFO L158 Benchmark]: CACSL2BoogieTranslator took 190.56ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 104.2MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:15:30,338 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.13ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 102.7MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:15:30,338 INFO L158 Benchmark]: Boogie Preprocessor took 22.95ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 101.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:15:30,339 INFO L158 Benchmark]: RCFGBuilder took 473.78ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 70.2MB in the end (delta: 31.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 01:15:30,341 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 190.56ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 104.2MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.13ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 102.7MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.95ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 101.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 473.78ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 70.2MB in the end (delta: 31.3MB). 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: assume -2147483648 <= #t~ret16 && #t~ret16 <= 2147483647;~sum~0 := #t~ret16;havoc #t~mem15;havoc #t~ret16;). 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: assume -2147483648 <= #t~ret16 && #t~ret16 <= 2147483647;~sum~0 := #t~ret16;havoc #t~mem15;havoc #t~ret16;). 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 01:15:30,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d4db63-10c8-4c5d-af0e-cf942d177260/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_d6d4db63-10c8-4c5d-af0e-cf942d177260/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d4db63-10c8-4c5d-af0e-cf942d177260/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_d6d4db63-10c8-4c5d-af0e-cf942d177260/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d4db63-10c8-4c5d-af0e-cf942d177260/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-mts.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d4db63-10c8-4c5d-af0e-cf942d177260/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d4db63-10c8-4c5d-af0e-cf942d177260/bin/ukojak-verify-CZk0znPC7b --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 cc67bee348fb2ffff05c0616660a93fb872177c05d08813d910a29641aea282e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:15:32,244 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:15:32,330 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d4db63-10c8-4c5d-af0e-cf942d177260/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 01:15:32,355 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:15:32,356 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:15:32,356 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:15:32,356 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:15:32,356 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:15:32,356 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:15:32,357 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:15:32,357 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:15:32,357 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:15:32,357 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:15:32,357 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:15:32,357 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:15:32,357 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:15:32,357 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:15:32,357 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:15:32,357 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:15:32,357 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:15:32,357 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:15:32,358 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:15:32,358 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:15:32,358 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:15:32,358 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:15:32,358 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:15:32,358 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:15:32,358 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:15:32,358 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:15:32,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:15:32,358 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:15:32,358 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:15:32,359 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:15:32,359 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:15:32,359 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:15:32,359 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:15:32,359 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_d6d4db63-10c8-4c5d-af0e-cf942d177260/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 ! 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 -> cc67bee348fb2ffff05c0616660a93fb872177c05d08813d910a29641aea282e [2024-12-06 01:15:32,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:15:32,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:15:32,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:15:32,602 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:15:32,602 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:15:32,603 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d4db63-10c8-4c5d-af0e-cf942d177260/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/weaver/popl20-more-mts.wvr.c [2024-12-06 01:15:35,273 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d4db63-10c8-4c5d-af0e-cf942d177260/bin/ukojak-verify-CZk0znPC7b/data/6fbcd1f8d/ca454604a6924dcb91fafebfeba9ab55/FLAG6388b57c4 [2024-12-06 01:15:35,462 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:15:35,463 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d4db63-10c8-4c5d-af0e-cf942d177260/sv-benchmarks/c/weaver/popl20-more-mts.wvr.c [2024-12-06 01:15:35,470 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d4db63-10c8-4c5d-af0e-cf942d177260/bin/ukojak-verify-CZk0znPC7b/data/6fbcd1f8d/ca454604a6924dcb91fafebfeba9ab55/FLAG6388b57c4 [2024-12-06 01:15:35,484 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d4db63-10c8-4c5d-af0e-cf942d177260/bin/ukojak-verify-CZk0znPC7b/data/6fbcd1f8d/ca454604a6924dcb91fafebfeba9ab55 [2024-12-06 01:15:35,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:15:35,488 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:15:35,489 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:15:35,489 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:15:35,493 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:15:35,494 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:15:35" (1/1) ... [2024-12-06 01:15:35,495 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@528f4155 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:35, skipping insertion in model container [2024-12-06 01:15:35,495 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:15:35" (1/1) ... [2024-12-06 01:15:35,509 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:15:35,666 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_d6d4db63-10c8-4c5d-af0e-cf942d177260/sv-benchmarks/c/weaver/popl20-more-mts.wvr.c[2572,2585] [2024-12-06 01:15:35,672 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 01:15:35,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:15:35,687 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:15:35,707 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_d6d4db63-10c8-4c5d-af0e-cf942d177260/sv-benchmarks/c/weaver/popl20-more-mts.wvr.c[2572,2585] [2024-12-06 01:15:35,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:15:35,728 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:15:35,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:35 WrapperNode [2024-12-06 01:15:35,728 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:15:35,729 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:15:35,729 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:15:35,729 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:15:35,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:35" (1/1) ... [2024-12-06 01:15:35,744 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:35" (1/1) ... [2024-12-06 01:15:35,757 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2024-12-06 01:15:35,757 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:15:35,758 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:15:35,758 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:15:35,758 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:15:35,764 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:35" (1/1) ... [2024-12-06 01:15:35,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:35" (1/1) ... [2024-12-06 01:15:35,768 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:35" (1/1) ... [2024-12-06 01:15:35,768 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:35" (1/1) ... [2024-12-06 01:15:35,775 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:35" (1/1) ... [2024-12-06 01:15:35,776 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:35" (1/1) ... [2024-12-06 01:15:35,780 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:35" (1/1) ... [2024-12-06 01:15:35,781 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:35" (1/1) ... [2024-12-06 01:15:35,782 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:35" (1/1) ... [2024-12-06 01:15:35,784 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:15:35,785 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:15:35,785 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:15:35,785 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:15:35,786 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:35" (1/1) ... [2024-12-06 01:15:35,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:15:35,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d4db63-10c8-4c5d-af0e-cf942d177260/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:15:35,812 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d4db63-10c8-4c5d-af0e-cf942d177260/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:15:35,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d4db63-10c8-4c5d-af0e-cf942d177260/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:15:35,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:15:35,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:15:35,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 01:15:35,833 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-06 01:15:35,833 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-06 01:15:35,833 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-06 01:15:35,833 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-06 01:15:35,834 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-06 01:15:35,834 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-06 01:15:35,834 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 01:15:35,834 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 01:15:35,834 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2024-12-06 01:15:35,834 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2024-12-06 01:15:35,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 01:15:35,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 01:15:35,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 01:15:35,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:15:35,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:15:35,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 01:15:35,836 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 01:15:35,913 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:15:35,915 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:15:36,174 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 01:15:36,174 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:15:36,298 WARN L170 LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-12-06 01:15:36,307 WARN L170 LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-12-06 01:15:36,319 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: ~sum~0 := #t~ret16;havoc #t~mem15;havoc #t~ret16;). 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 01:15:36,323 INFO L158 Benchmark]: Toolchain (without parser) took 834.85ms. Allocated memory is still 92.3MB. Free memory was 69.6MB in the beginning and 48.9MB in the end (delta: 20.7MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-12-06 01:15:36,323 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:15:36,324 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.66ms. Allocated memory is still 92.3MB. Free memory was 69.4MB in the beginning and 56.6MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:15:36,324 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.26ms. Allocated memory is still 92.3MB. Free memory was 56.5MB in the beginning and 55.2MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:15:36,325 INFO L158 Benchmark]: Boogie Preprocessor took 26.34ms. Allocated memory is still 92.3MB. Free memory was 55.1MB in the beginning and 53.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:15:36,325 INFO L158 Benchmark]: RCFGBuilder took 536.82ms. Allocated memory is still 92.3MB. Free memory was 53.6MB in the beginning and 48.9MB in the end (delta: 4.7MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-12-06 01:15:36,327 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.66ms. Allocated memory is still 92.3MB. Free memory was 69.4MB in the beginning and 56.6MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.26ms. Allocated memory is still 92.3MB. Free memory was 56.5MB in the beginning and 55.2MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.34ms. Allocated memory is still 92.3MB. Free memory was 55.1MB in the beginning and 53.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 536.82ms. Allocated memory is still 92.3MB. Free memory was 53.6MB in the beginning and 48.9MB in the end (delta: 4.7MB). Peak memory consumption was 11.8MB. 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: ~sum~0 := #t~ret16;havoc #t~mem15;havoc #t~ret16;). 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: ~sum~0 := #t~ret16;havoc #t~mem15;havoc #t~ret16;). 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 01:15:36,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d4db63-10c8-4c5d-af0e-cf942d177260/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: ~sum~0 := #t~ret16;havoc #t~mem15;havoc #t~ret16;). Is there illegal control flow (e.g. loops) within an atomic block?