./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dd5c542-bffe-4fe1-a2f3-8d0454bd32b3/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dd5c542-bffe-4fe1-a2f3-8d0454bd32b3/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dd5c542-bffe-4fe1-a2f3-8d0454bd32b3/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dd5c542-bffe-4fe1-a2f3-8d0454bd32b3/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dd5c542-bffe-4fe1-a2f3-8d0454bd32b3/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dd5c542-bffe-4fe1-a2f3-8d0454bd32b3/bin/ukojak-verify-ImItNfHLgk --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 41874b69ed787f1d4b0fd199a95bb437bfc8aab0f734c194621d2ef33cc65cc9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:39:14,866 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:39:14,969 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dd5c542-bffe-4fe1-a2f3-8d0454bd32b3/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:39:14,979 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:39:14,979 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:39:15,016 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:39:15,019 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:39:15,019 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:39:15,020 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:39:15,022 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:39:15,022 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:39:15,023 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:39:15,023 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:39:15,024 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:39:15,024 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:39:15,026 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:39:15,027 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:39:15,028 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:39:15,028 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:39:15,028 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:39:15,033 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:39:15,033 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:39:15,033 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:39:15,034 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:39:15,034 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:39:15,034 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:39:15,035 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:39:15,035 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:39:15,036 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:39:15,036 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:39:15,036 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:39:15,037 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:39:15,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:39:15,038 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dd5c542-bffe-4fe1-a2f3-8d0454bd32b3/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dd5c542-bffe-4fe1-a2f3-8d0454bd32b3/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41874b69ed787f1d4b0fd199a95bb437bfc8aab0f734c194621d2ef33cc65cc9 [2024-11-08 22:39:15,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:39:15,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:39:15,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:39:15,438 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:39:15,438 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:39:15,439 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dd5c542-bffe-4fe1-a2f3-8d0454bd32b3/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c Unable to find full path for "g++" [2024-11-08 22:39:17,735 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:39:18,010 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:39:18,011 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dd5c542-bffe-4fe1-a2f3-8d0454bd32b3/sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c [2024-11-08 22:39:18,022 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dd5c542-bffe-4fe1-a2f3-8d0454bd32b3/bin/ukojak-verify-ImItNfHLgk/data/99308a455/58520499966343349dfa7456136a951c/FLAGa25b4cf63 [2024-11-08 22:39:18,040 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dd5c542-bffe-4fe1-a2f3-8d0454bd32b3/bin/ukojak-verify-ImItNfHLgk/data/99308a455/58520499966343349dfa7456136a951c [2024-11-08 22:39:18,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:39:18,045 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:39:18,047 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:39:18,047 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:39:18,054 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:39:18,055 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:39:18" (1/1) ... [2024-11-08 22:39:18,057 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@784fe148 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:18, skipping insertion in model container [2024-11-08 22:39:18,058 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:39:18" (1/1) ... [2024-11-08 22:39:18,102 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:39:18,394 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_2dd5c542-bffe-4fe1-a2f3-8d0454bd32b3/sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c[4059,4072] [2024-11-08 22:39:18,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:39:18,421 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:39:18,460 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_2dd5c542-bffe-4fe1-a2f3-8d0454bd32b3/sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c[4059,4072] [2024-11-08 22:39:18,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:39:18,492 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:39:18,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:18 WrapperNode [2024-11-08 22:39:18,493 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:39:18,494 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:39:18,495 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:39:18,495 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:39:18,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:18" (1/1) ... [2024-11-08 22:39:18,515 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:18" (1/1) ... [2024-11-08 22:39:18,538 INFO L138 Inliner]: procedures = 25, calls = 53, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 87 [2024-11-08 22:39:18,539 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:39:18,540 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:39:18,540 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:39:18,540 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:39:18,551 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:18" (1/1) ... [2024-11-08 22:39:18,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:18" (1/1) ... [2024-11-08 22:39:18,554 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:18" (1/1) ... [2024-11-08 22:39:18,554 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:18" (1/1) ... [2024-11-08 22:39:18,564 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:18" (1/1) ... [2024-11-08 22:39:18,569 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:18" (1/1) ... [2024-11-08 22:39:18,571 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:18" (1/1) ... [2024-11-08 22:39:18,572 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:18" (1/1) ... [2024-11-08 22:39:18,575 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:39:18,576 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:39:18,577 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:39:18,577 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:39:18,578 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:18" (1/1) ... [2024-11-08 22:39:18,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:39:18,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dd5c542-bffe-4fe1-a2f3-8d0454bd32b3/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:39:18,623 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dd5c542-bffe-4fe1-a2f3-8d0454bd32b3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:39:18,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dd5c542-bffe-4fe1-a2f3-8d0454bd32b3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:39:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:39:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-08 22:39:18,657 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-08 22:39:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-08 22:39:18,657 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-08 22:39:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-08 22:39:18,657 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-08 22:39:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-08 22:39:18,658 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-08 22:39:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 22:39:18,658 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 22:39:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:39:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 22:39:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-11-08 22:39:18,659 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-11-08 22:39:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-08 22:39:18,660 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-08 22:39:18,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 22:39:18,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:39:18,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:39:18,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 22:39:18,662 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 22:39:18,786 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:39:18,788 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:39:19,118 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 22:39:19,118 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:39:19,308 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 := ~back1~0;~back1~0 := 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:303) 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) [2024-11-08 22:39:19,312 INFO L158 Benchmark]: Toolchain (without parser) took 1266.19ms. Allocated memory is still 144.7MB. Free memory was 107.1MB in the beginning and 58.9MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-11-08 22:39:19,313 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 144.7MB. Free memory is still 118.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:39:19,314 INFO L158 Benchmark]: CACSL2BoogieTranslator took 446.93ms. Allocated memory is still 144.7MB. Free memory was 107.1MB in the beginning and 92.4MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:39:19,314 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.50ms. Allocated memory is still 144.7MB. Free memory was 92.4MB in the beginning and 90.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:39:19,316 INFO L158 Benchmark]: Boogie Preprocessor took 36.08ms. Allocated memory is still 144.7MB. Free memory was 90.9MB in the beginning and 89.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:39:19,317 INFO L158 Benchmark]: RCFGBuilder took 734.19ms. Allocated memory is still 144.7MB. Free memory was 88.8MB in the beginning and 58.9MB in the end (delta: 29.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-08 22:39:19,322 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 144.7MB. Free memory is still 118.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 446.93ms. Allocated memory is still 144.7MB. Free memory was 107.1MB in the beginning and 92.4MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.50ms. Allocated memory is still 144.7MB. Free memory was 92.4MB in the beginning and 90.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.08ms. Allocated memory is still 144.7MB. Free memory was 90.9MB in the beginning and 89.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 734.19ms. Allocated memory is still 144.7MB. Free memory was 88.8MB in the beginning and 58.9MB in the end (delta: 29.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem1;#t~post2 := ~back1~0;~back1~0 := 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 := ~back1~0;~back1~0 := 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. [2024-11-08 22:39:19,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dd5c542-bffe-4fe1-a2f3-8d0454bd32b3/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dd5c542-bffe-4fe1-a2f3-8d0454bd32b3/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dd5c542-bffe-4fe1-a2f3-8d0454bd32b3/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dd5c542-bffe-4fe1-a2f3-8d0454bd32b3/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dd5c542-bffe-4fe1-a2f3-8d0454bd32b3/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dd5c542-bffe-4fe1-a2f3-8d0454bd32b3/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dd5c542-bffe-4fe1-a2f3-8d0454bd32b3/bin/ukojak-verify-ImItNfHLgk --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 41874b69ed787f1d4b0fd199a95bb437bfc8aab0f734c194621d2ef33cc65cc9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:39:21,783 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:39:21,868 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dd5c542-bffe-4fe1-a2f3-8d0454bd32b3/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:39:21,915 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:39:21,916 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:39:21,917 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:39:21,917 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:39:21,919 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:39:21,919 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:39:21,919 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:39:21,920 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:39:21,920 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:39:21,921 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:39:21,921 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:39:21,921 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:39:21,925 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:39:21,926 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:39:21,926 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:39:21,926 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:39:21,927 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:39:21,927 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:39:21,931 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:39:21,931 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:39:21,932 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:39:21,932 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:39:21,932 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:39:21,932 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:39:21,933 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:39:21,933 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:39:21,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:39:21,934 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:39:21,934 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:39:21,934 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:39:21,936 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:39:21,937 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:39:21,937 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:39:21,937 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dd5c542-bffe-4fe1-a2f3-8d0454bd32b3/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dd5c542-bffe-4fe1-a2f3-8d0454bd32b3/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41874b69ed787f1d4b0fd199a95bb437bfc8aab0f734c194621d2ef33cc65cc9 [2024-11-08 22:39:22,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:39:22,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:39:22,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:39:22,359 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:39:22,360 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:39:22,362 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dd5c542-bffe-4fe1-a2f3-8d0454bd32b3/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c Unable to find full path for "g++" [2024-11-08 22:39:24,482 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:39:24,706 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:39:24,706 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dd5c542-bffe-4fe1-a2f3-8d0454bd32b3/sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c [2024-11-08 22:39:24,716 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dd5c542-bffe-4fe1-a2f3-8d0454bd32b3/bin/ukojak-verify-ImItNfHLgk/data/f22af2f00/6cc32322a0b84cfab3e7ca81d4259573/FLAG9ff7d608d [2024-11-08 22:39:25,074 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dd5c542-bffe-4fe1-a2f3-8d0454bd32b3/bin/ukojak-verify-ImItNfHLgk/data/f22af2f00/6cc32322a0b84cfab3e7ca81d4259573 [2024-11-08 22:39:25,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:39:25,078 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:39:25,079 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:39:25,080 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:39:25,086 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:39:25,087 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:39:25" (1/1) ... [2024-11-08 22:39:25,088 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@762f0ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:25, skipping insertion in model container [2024-11-08 22:39:25,089 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:39:25" (1/1) ... [2024-11-08 22:39:25,129 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:39:25,395 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_2dd5c542-bffe-4fe1-a2f3-8d0454bd32b3/sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c[4059,4072] [2024-11-08 22:39:25,404 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 22:39:25,406 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:39:25,421 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:39:25,461 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_2dd5c542-bffe-4fe1-a2f3-8d0454bd32b3/sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c[4059,4072] [2024-11-08 22:39:25,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:39:25,493 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:39:25,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:25 WrapperNode [2024-11-08 22:39:25,494 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:39:25,495 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:39:25,495 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:39:25,495 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:39:25,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:25" (1/1) ... [2024-11-08 22:39:25,519 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:25" (1/1) ... [2024-11-08 22:39:25,545 INFO L138 Inliner]: procedures = 27, calls = 53, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 82 [2024-11-08 22:39:25,546 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:39:25,547 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:39:25,548 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:39:25,548 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:39:25,559 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:25" (1/1) ... [2024-11-08 22:39:25,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:25" (1/1) ... [2024-11-08 22:39:25,571 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:25" (1/1) ... [2024-11-08 22:39:25,572 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:25" (1/1) ... [2024-11-08 22:39:25,591 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:25" (1/1) ... [2024-11-08 22:39:25,596 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:25" (1/1) ... [2024-11-08 22:39:25,598 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:25" (1/1) ... [2024-11-08 22:39:25,600 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:25" (1/1) ... [2024-11-08 22:39:25,604 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:39:25,605 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:39:25,605 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:39:25,605 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:39:25,606 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:39:25" (1/1) ... [2024-11-08 22:39:25,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:39:25,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dd5c542-bffe-4fe1-a2f3-8d0454bd32b3/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:39:25,649 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dd5c542-bffe-4fe1-a2f3-8d0454bd32b3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:39:25,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dd5c542-bffe-4fe1-a2f3-8d0454bd32b3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:39:25,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:39:25,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:39:25,694 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-11-08 22:39:25,695 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-11-08 22:39:25,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 22:39:25,695 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-08 22:39:25,695 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-08 22:39:25,695 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-08 22:39:25,696 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-08 22:39:25,696 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-08 22:39:25,696 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-08 22:39:25,696 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-08 22:39:25,696 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-08 22:39:25,696 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 22:39:25,699 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 22:39:25,699 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-08 22:39:25,699 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-08 22:39:25,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 22:39:25,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:39:25,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:39:25,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 22:39:25,702 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 22:39:25,923 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:39:25,927 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:39:26,481 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 22:39:26,481 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:39:26,679 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 := ~back1~0;~back1~0 := ~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:303) 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) [2024-11-08 22:39:26,684 INFO L158 Benchmark]: Toolchain (without parser) took 1605.29ms. Allocated memory was 62.9MB in the beginning and 90.2MB in the end (delta: 27.3MB). Free memory was 31.3MB in the beginning and 48.2MB in the end (delta: -16.9MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2024-11-08 22:39:26,685 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 62.9MB. Free memory was 39.2MB in the beginning and 39.1MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:39:26,686 INFO L158 Benchmark]: CACSL2BoogieTranslator took 414.87ms. Allocated memory was 62.9MB in the beginning and 90.2MB in the end (delta: 27.3MB). Free memory was 31.1MB in the beginning and 60.5MB in the end (delta: -29.5MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2024-11-08 22:39:26,687 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.44ms. Allocated memory is still 90.2MB. Free memory was 60.5MB in the beginning and 58.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:39:26,687 INFO L158 Benchmark]: Boogie Preprocessor took 57.39ms. Allocated memory is still 90.2MB. Free memory was 58.9MB in the beginning and 57.0MB in the end (delta: 1.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:39:26,688 INFO L158 Benchmark]: RCFGBuilder took 1077.08ms. Allocated memory is still 90.2MB. Free memory was 57.0MB in the beginning and 48.2MB in the end (delta: 8.8MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2024-11-08 22:39:26,692 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 62.9MB. Free memory was 39.2MB in the beginning and 39.1MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 414.87ms. Allocated memory was 62.9MB in the beginning and 90.2MB in the end (delta: 27.3MB). Free memory was 31.1MB in the beginning and 60.5MB in the end (delta: -29.5MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.44ms. Allocated memory is still 90.2MB. Free memory was 60.5MB in the beginning and 58.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 57.39ms. Allocated memory is still 90.2MB. Free memory was 58.9MB in the beginning and 57.0MB in the end (delta: 1.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1077.08ms. Allocated memory is still 90.2MB. Free memory was 57.0MB in the beginning and 48.2MB in the end (delta: 8.8MB). Peak memory consumption was 14.5MB. 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 := ~back1~0;~back1~0 := ~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 := ~back1~0;~back1~0 := ~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. [2024-11-08 22:39:26,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dd5c542-bffe-4fe1-a2f3-8d0454bd32b3/bin/ukojak-verify-ImItNfHLgk/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 := ~back1~0;~back1~0 := ~bvadd~32(1bv32, #t~post2);havoc #t~post2;). Is there illegal control flow (e.g. loops) within an atomic block?