./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-queue-add-2.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_0b387e50-8da7-44a2-afaf-b15b4daf3cd5/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b387e50-8da7-44a2-afaf-b15b4daf3cd5/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_0b387e50-8da7-44a2-afaf-b15b4daf3cd5/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b387e50-8da7-44a2-afaf-b15b4daf3cd5/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b387e50-8da7-44a2-afaf-b15b4daf3cd5/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_0b387e50-8da7-44a2-afaf-b15b4daf3cd5/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 8c3fe688d0e9a9929009fc24c8ef56c8fc1bfa15613131b287e178eb7d2f1f1e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:48:58,953 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:48:59,009 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b387e50-8da7-44a2-afaf-b15b4daf3cd5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 04:48:59,014 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:48:59,014 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:48:59,034 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:48:59,035 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:48:59,035 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:48:59,036 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:48:59,036 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:48:59,036 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:48:59,036 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:48:59,036 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:48:59,036 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:48:59,036 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:48:59,036 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:48:59,036 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:48:59,037 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:48:59,037 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:48:59,037 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:48:59,037 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:48:59,037 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:48:59,037 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:48:59,037 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:48:59,037 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:48:59,037 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:48:59,037 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:48:59,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:48:59,038 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:48:59,038 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:48:59,038 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:48:59,038 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:48:59,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:48:59,038 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_0b387e50-8da7-44a2-afaf-b15b4daf3cd5/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 -> 8c3fe688d0e9a9929009fc24c8ef56c8fc1bfa15613131b287e178eb7d2f1f1e [2024-12-06 04:48:59,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:48:59,271 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:48:59,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:48:59,274 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:48:59,274 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:48:59,276 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b387e50-8da7-44a2-afaf-b15b4daf3cd5/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c [2024-12-06 04:49:01,899 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b387e50-8da7-44a2-afaf-b15b4daf3cd5/bin/ukojak-verify-CZk0znPC7b/data/0e9cdf17e/93afecd861974739b85fe4ea8affed43/FLAG8c841393d [2024-12-06 04:49:02,113 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:49:02,114 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b387e50-8da7-44a2-afaf-b15b4daf3cd5/sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c [2024-12-06 04:49:02,121 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b387e50-8da7-44a2-afaf-b15b4daf3cd5/bin/ukojak-verify-CZk0znPC7b/data/0e9cdf17e/93afecd861974739b85fe4ea8affed43/FLAG8c841393d [2024-12-06 04:49:02,484 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b387e50-8da7-44a2-afaf-b15b4daf3cd5/bin/ukojak-verify-CZk0znPC7b/data/0e9cdf17e/93afecd861974739b85fe4ea8affed43 [2024-12-06 04:49:02,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:49:02,486 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:49:02,487 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:49:02,487 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:49:02,490 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:49:02,490 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:49:02" (1/1) ... [2024-12-06 04:49:02,491 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5747372d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:02, skipping insertion in model container [2024-12-06 04:49:02,491 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:49:02" (1/1) ... [2024-12-06 04:49:02,503 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:49:02,650 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_0b387e50-8da7-44a2-afaf-b15b4daf3cd5/sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c[2722,2735] [2024-12-06 04:49:02,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:49:02,666 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:49:02,684 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_0b387e50-8da7-44a2-afaf-b15b4daf3cd5/sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c[2722,2735] [2024-12-06 04:49:02,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:49:02,700 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:49:02,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:02 WrapperNode [2024-12-06 04:49:02,701 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:49:02,701 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:49:02,701 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:49:02,701 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:49:02,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:02" (1/1) ... [2024-12-06 04:49:02,713 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:02" (1/1) ... [2024-12-06 04:49:02,728 INFO L138 Inliner]: procedures = 23, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2024-12-06 04:49:02,729 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:49:02,729 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:49:02,729 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:49:02,729 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:49:02,736 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:02" (1/1) ... [2024-12-06 04:49:02,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:02" (1/1) ... [2024-12-06 04:49:02,738 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:02" (1/1) ... [2024-12-06 04:49:02,738 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:02" (1/1) ... [2024-12-06 04:49:02,743 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:02" (1/1) ... [2024-12-06 04:49:02,744 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:02" (1/1) ... [2024-12-06 04:49:02,747 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:02" (1/1) ... [2024-12-06 04:49:02,748 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:02" (1/1) ... [2024-12-06 04:49:02,748 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:02" (1/1) ... [2024-12-06 04:49:02,750 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:49:02,751 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:49:02,751 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:49:02,752 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:49:02,752 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:02" (1/1) ... [2024-12-06 04:49:02,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:49:02,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b387e50-8da7-44a2-afaf-b15b4daf3cd5/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:49:02,780 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b387e50-8da7-44a2-afaf-b15b4daf3cd5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:49:02,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b387e50-8da7-44a2-afaf-b15b4daf3cd5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:49:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:49:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-06 04:49:02,807 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-06 04:49:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-06 04:49:02,807 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-06 04:49:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 04:49:02,807 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 04:49:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:49:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 04:49:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 04:49:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 04:49:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 04:49:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:49:02,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:49:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 04:49:02,809 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 04:49:02,882 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:49:02,883 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:49:03,047 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 04:49:03,047 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:49:03,117 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~mem4;#t~post5 := ~q_back~0;~q_back~0 := 1 + #t~post5;havoc #t~post5;). 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 04:49:03,122 INFO L158 Benchmark]: Toolchain (without parser) took 634.86ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 82.5MB in the end (delta: 34.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 04:49:03,122 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 142.6MB. Free memory was 83.8MB in the beginning and 83.8MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:49:03,123 INFO L158 Benchmark]: CACSL2BoogieTranslator took 213.75ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 104.8MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:49:03,123 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.46ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 103.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:49:03,123 INFO L158 Benchmark]: Boogie Preprocessor took 21.30ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 102.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:49:03,124 INFO L158 Benchmark]: RCFGBuilder took 369.13ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 82.5MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:49:03,126 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 142.6MB. Free memory was 83.8MB in the beginning and 83.8MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 213.75ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 104.8MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.46ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 103.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.30ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 102.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 369.13ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 82.5MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. 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: havoc #t~mem4;#t~post5 := ~q_back~0;~q_back~0 := 1 + #t~post5;havoc #t~post5;). 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~mem4;#t~post5 := ~q_back~0;~q_back~0 := 1 + #t~post5;havoc #t~post5;). 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 04:49:03,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b387e50-8da7-44a2-afaf-b15b4daf3cd5/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_0b387e50-8da7-44a2-afaf-b15b4daf3cd5/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b387e50-8da7-44a2-afaf-b15b4daf3cd5/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_0b387e50-8da7-44a2-afaf-b15b4daf3cd5/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b387e50-8da7-44a2-afaf-b15b4daf3cd5/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b387e50-8da7-44a2-afaf-b15b4daf3cd5/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_0b387e50-8da7-44a2-afaf-b15b4daf3cd5/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 8c3fe688d0e9a9929009fc24c8ef56c8fc1bfa15613131b287e178eb7d2f1f1e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:49:05,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:49:05,105 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b387e50-8da7-44a2-afaf-b15b4daf3cd5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 04:49:05,134 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:49:05,134 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:49:05,135 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:49:05,135 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:49:05,135 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:49:05,135 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:49:05,135 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:49:05,135 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:49:05,135 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:49:05,136 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:49:05,136 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:49:05,136 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:49:05,136 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:49:05,136 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:49:05,136 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:49:05,136 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:49:05,136 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:49:05,136 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:49:05,136 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:49:05,136 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:49:05,137 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:49:05,137 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:49:05,137 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:49:05,137 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:05,137 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:49:05,137 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:49:05,137 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:49:05,137 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:49:05,137 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:49:05,137 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:49:05,137 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:49:05,138 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:49:05,138 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:49:05,138 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_0b387e50-8da7-44a2-afaf-b15b4daf3cd5/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 -> 8c3fe688d0e9a9929009fc24c8ef56c8fc1bfa15613131b287e178eb7d2f1f1e [2024-12-06 04:49:05,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:49:05,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:49:05,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:49:05,386 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:49:05,386 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:49:05,387 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b387e50-8da7-44a2-afaf-b15b4daf3cd5/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c [2024-12-06 04:49:08,004 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b387e50-8da7-44a2-afaf-b15b4daf3cd5/bin/ukojak-verify-CZk0znPC7b/data/f06c5e964/d6cf8b5920a443ee923e0db79561eb8e/FLAG2e83c0398 [2024-12-06 04:49:08,173 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:49:08,174 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b387e50-8da7-44a2-afaf-b15b4daf3cd5/sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c [2024-12-06 04:49:08,182 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b387e50-8da7-44a2-afaf-b15b4daf3cd5/bin/ukojak-verify-CZk0znPC7b/data/f06c5e964/d6cf8b5920a443ee923e0db79561eb8e/FLAG2e83c0398 [2024-12-06 04:49:08,197 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b387e50-8da7-44a2-afaf-b15b4daf3cd5/bin/ukojak-verify-CZk0znPC7b/data/f06c5e964/d6cf8b5920a443ee923e0db79561eb8e [2024-12-06 04:49:08,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:49:08,200 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:49:08,201 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:49:08,202 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:49:08,206 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:49:08,207 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:49:08" (1/1) ... [2024-12-06 04:49:08,207 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5236bb47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:08, skipping insertion in model container [2024-12-06 04:49:08,208 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:49:08" (1/1) ... [2024-12-06 04:49:08,223 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:49:08,377 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_0b387e50-8da7-44a2-afaf-b15b4daf3cd5/sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c[2722,2735] [2024-12-06 04:49:08,383 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 04:49:08,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:49:08,397 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:49:08,417 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_0b387e50-8da7-44a2-afaf-b15b4daf3cd5/sv-benchmarks/c/weaver/popl20-queue-add-2.wvr.c[2722,2735] [2024-12-06 04:49:08,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:49:08,435 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:49:08,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:08 WrapperNode [2024-12-06 04:49:08,435 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:49:08,437 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:49:08,437 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:49:08,437 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:49:08,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:08" (1/1) ... [2024-12-06 04:49:08,451 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:08" (1/1) ... [2024-12-06 04:49:08,466 INFO L138 Inliner]: procedures = 25, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2024-12-06 04:49:08,466 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:49:08,467 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:49:08,467 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:49:08,467 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:49:08,474 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:08" (1/1) ... [2024-12-06 04:49:08,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:08" (1/1) ... [2024-12-06 04:49:08,477 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:08" (1/1) ... [2024-12-06 04:49:08,477 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:08" (1/1) ... [2024-12-06 04:49:08,484 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:08" (1/1) ... [2024-12-06 04:49:08,485 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:08" (1/1) ... [2024-12-06 04:49:08,488 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:08" (1/1) ... [2024-12-06 04:49:08,489 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:08" (1/1) ... [2024-12-06 04:49:08,490 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:08" (1/1) ... [2024-12-06 04:49:08,492 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:49:08,493 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:49:08,493 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:49:08,493 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:49:08,494 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:49:08" (1/1) ... [2024-12-06 04:49:08,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:49:08,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b387e50-8da7-44a2-afaf-b15b4daf3cd5/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:49:08,523 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b387e50-8da7-44a2-afaf-b15b4daf3cd5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:49:08,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b387e50-8da7-44a2-afaf-b15b4daf3cd5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:49:08,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:49:08,549 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-06 04:49:08,549 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-06 04:49:08,549 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-06 04:49:08,549 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-06 04:49:08,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 04:49:08,549 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 04:49:08,549 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 04:49:08,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 04:49:08,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 04:49:08,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 04:49:08,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 04:49:08,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:49:08,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:49:08,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 04:49:08,551 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 04:49:08,639 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:49:08,641 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:49:08,857 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 04:49:08,857 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:49:08,949 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~mem4;#t~post5 := ~q_back~0;~q_back~0 := ~bvadd~32(1bv32, #t~post5);havoc #t~post5;). 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 04:49:08,954 INFO L158 Benchmark]: Toolchain (without parser) took 752.98ms. Allocated memory is still 92.3MB. Free memory was 69.6MB in the beginning and 61.9MB in the end (delta: 7.7MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. [2024-12-06 04:49:08,954 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 47.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:49:08,955 INFO L158 Benchmark]: CACSL2BoogieTranslator took 234.46ms. Allocated memory is still 92.3MB. Free memory was 69.4MB in the beginning and 56.9MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:49:08,955 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.75ms. Allocated memory is still 92.3MB. Free memory was 56.9MB in the beginning and 55.6MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:49:08,956 INFO L158 Benchmark]: Boogie Preprocessor took 25.79ms. Allocated memory is still 92.3MB. Free memory was 55.6MB in the beginning and 54.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:49:08,956 INFO L158 Benchmark]: RCFGBuilder took 459.13ms. Allocated memory is still 92.3MB. Free memory was 54.3MB in the beginning and 61.9MB in the end (delta: -7.7MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2024-12-06 04:49:08,958 INFO L338 ainManager$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 83.9MB. Free memory is still 47.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 234.46ms. Allocated memory is still 92.3MB. Free memory was 69.4MB in the beginning and 56.9MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.75ms. Allocated memory is still 92.3MB. Free memory was 56.9MB in the beginning and 55.6MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.79ms. Allocated memory is still 92.3MB. Free memory was 55.6MB in the beginning and 54.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 459.13ms. Allocated memory is still 92.3MB. Free memory was 54.3MB in the beginning and 61.9MB in the end (delta: -7.7MB). Peak memory consumption was 19.9MB. 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~mem4;#t~post5 := ~q_back~0;~q_back~0 := ~bvadd~32(1bv32, #t~post5);havoc #t~post5;). 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~mem4;#t~post5 := ~q_back~0;~q_back~0 := ~bvadd~32(1bv32, #t~post5);havoc #t~post5;). 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 04:49:08,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b387e50-8da7-44a2-afaf-b15b4daf3cd5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem4;#t~post5 := ~q_back~0;~q_back~0 := ~bvadd~32(1bv32, #t~post5);havoc #t~post5;). Is there illegal control flow (e.g. loops) within an atomic block?