./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/parallel-lamport.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac98bb47-3485-4781-abae-0b397cf7111d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac98bb47-3485-4781-abae-0b397cf7111d/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac98bb47-3485-4781-abae-0b397cf7111d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac98bb47-3485-4781-abae-0b397cf7111d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-lamport.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac98bb47-3485-4781-abae-0b397cf7111d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac98bb47-3485-4781-abae-0b397cf7111d/bin/ukojak-verify-Qdu7aM0XO9 --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 a4f33aa2cc1f38311ba2397f8e50d98656063732fb966533fd95353a255f95b1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:23:15,399 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:23:15,469 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac98bb47-3485-4781-abae-0b397cf7111d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:23:15,474 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:23:15,474 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:23:15,498 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:23:15,499 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:23:15,500 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:23:15,501 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:23:15,501 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:23:15,502 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:23:15,503 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:23:15,503 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:23:15,504 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:23:15,504 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:23:15,505 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:23:15,505 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:23:15,506 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:23:15,507 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:23:15,507 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:23:15,508 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:23:15,509 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:23:15,509 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:23:15,510 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:23:15,510 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:23:15,511 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:23:15,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:23:15,512 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:23:15,513 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:23:15,513 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:23:15,514 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:23:15,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:23:15,515 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:23:15,515 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_ac98bb47-3485-4781-abae-0b397cf7111d/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac98bb47-3485-4781-abae-0b397cf7111d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4f33aa2cc1f38311ba2397f8e50d98656063732fb966533fd95353a255f95b1 [2023-12-03 02:23:15,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:23:15,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:23:15,782 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:23:15,783 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:23:15,784 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:23:15,785 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac98bb47-3485-4781-abae-0b397cf7111d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/parallel-lamport.wvr.c [2023-12-03 02:23:18,625 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:23:18,881 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:23:18,881 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac98bb47-3485-4781-abae-0b397cf7111d/sv-benchmarks/c/weaver/parallel-lamport.wvr.c [2023-12-03 02:23:18,891 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac98bb47-3485-4781-abae-0b397cf7111d/bin/ukojak-verify-Qdu7aM0XO9/data/9e3150460/2b74154653544707ace0a8db341ae788/FLAG7297a93b5 [2023-12-03 02:23:18,903 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac98bb47-3485-4781-abae-0b397cf7111d/bin/ukojak-verify-Qdu7aM0XO9/data/9e3150460/2b74154653544707ace0a8db341ae788 [2023-12-03 02:23:18,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:23:18,906 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:23:18,908 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:23:18,908 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:23:18,912 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:23:18,913 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:23:18" (1/1) ... [2023-12-03 02:23:18,914 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@212508bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:23:18, skipping insertion in model container [2023-12-03 02:23:18,914 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:23:18" (1/1) ... [2023-12-03 02:23:18,944 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:23:19,123 WARN L240 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_ac98bb47-3485-4781-abae-0b397cf7111d/sv-benchmarks/c/weaver/parallel-lamport.wvr.c[4249,4262] [2023-12-03 02:23:19,136 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:23:19,147 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:23:19,173 WARN L240 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_ac98bb47-3485-4781-abae-0b397cf7111d/sv-benchmarks/c/weaver/parallel-lamport.wvr.c[4249,4262] [2023-12-03 02:23:19,178 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:23:19,186 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:23:19,187 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:23:19,193 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:23:19,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:23:19 WrapperNode [2023-12-03 02:23:19,194 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:23:19,195 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:23:19,195 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:23:19,195 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:23:19,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:23:19" (1/1) ... [2023-12-03 02:23:19,210 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:23:19" (1/1) ... [2023-12-03 02:23:19,233 INFO L138 Inliner]: procedures = 25, calls = 89, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 124 [2023-12-03 02:23:19,234 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:23:19,234 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:23:19,235 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:23:19,235 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:23:19,244 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:23:19" (1/1) ... [2023-12-03 02:23:19,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:23:19" (1/1) ... [2023-12-03 02:23:19,248 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:23:19" (1/1) ... [2023-12-03 02:23:19,248 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:23:19" (1/1) ... [2023-12-03 02:23:19,255 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:23:19" (1/1) ... [2023-12-03 02:23:19,259 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:23:19" (1/1) ... [2023-12-03 02:23:19,261 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:23:19" (1/1) ... [2023-12-03 02:23:19,263 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:23:19" (1/1) ... [2023-12-03 02:23:19,265 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:23:19,266 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:23:19,266 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:23:19,266 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:23:19,267 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:23:19" (1/1) ... [2023-12-03 02:23:19,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:23:19,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac98bb47-3485-4781-abae-0b397cf7111d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:23:19,300 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac98bb47-3485-4781-abae-0b397cf7111d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:23:19,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac98bb47-3485-4781-abae-0b397cf7111d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:23:19,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:23:19,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:23:19,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 02:23:19,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 02:23:19,341 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-03 02:23:19,342 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-03 02:23:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-03 02:23:19,342 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-03 02:23:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-03 02:23:19,342 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-03 02:23:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 02:23:19,343 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 02:23:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:23:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 02:23:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 02:23:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 02:23:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:23:19,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:23:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:23:19,346 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 02:23:19,487 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:23:19,490 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:23:19,787 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:23:19,878 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: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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) [2023-12-03 02:23:19,883 INFO L158 Benchmark]: Toolchain (without parser) took 975.02ms. Allocated memory is still 134.2MB. Free memory was 98.5MB in the beginning and 56.2MB in the end (delta: 42.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-12-03 02:23:19,883 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 134.2MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:23:19,884 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.46ms. Allocated memory is still 134.2MB. Free memory was 98.1MB in the beginning and 85.8MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 02:23:19,885 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.81ms. Allocated memory is still 134.2MB. Free memory was 85.8MB in the beginning and 83.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:23:19,886 INFO L158 Benchmark]: Boogie Preprocessor took 31.15ms. Allocated memory is still 134.2MB. Free memory was 83.8MB in the beginning and 82.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:23:19,887 INFO L158 Benchmark]: RCFGBuilder took 614.51ms. Allocated memory is still 134.2MB. Free memory was 82.2MB in the beginning and 56.2MB in the end (delta: 26.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-12-03 02:23:19,891 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 134.2MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.46ms. Allocated memory is still 134.2MB. Free memory was 98.1MB in the beginning and 85.8MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.81ms. Allocated memory is still 134.2MB. Free memory was 85.8MB in the beginning and 83.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.15ms. Allocated memory is still 134.2MB. Free memory was 83.8MB in the beginning and 82.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 614.51ms. Allocated memory is still 134.2MB. Free memory was 82.2MB in the beginning and 56.2MB in the end (delta: 26.1MB). Peak memory consumption was 27.3MB. 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: ). 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: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 02:23:19,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac98bb47-3485-4781-abae-0b397cf7111d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac98bb47-3485-4781-abae-0b397cf7111d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac98bb47-3485-4781-abae-0b397cf7111d/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac98bb47-3485-4781-abae-0b397cf7111d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac98bb47-3485-4781-abae-0b397cf7111d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-lamport.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac98bb47-3485-4781-abae-0b397cf7111d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac98bb47-3485-4781-abae-0b397cf7111d/bin/ukojak-verify-Qdu7aM0XO9 --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 a4f33aa2cc1f38311ba2397f8e50d98656063732fb966533fd95353a255f95b1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:23:22,019 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:23:22,097 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac98bb47-3485-4781-abae-0b397cf7111d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 02:23:22,129 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:23:22,130 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:23:22,131 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:23:22,131 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:23:22,132 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:23:22,133 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:23:22,133 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:23:22,134 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:23:22,134 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:23:22,135 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:23:22,136 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:23:22,136 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:23:22,137 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:23:22,137 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:23:22,138 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:23:22,138 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:23:22,139 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:23:22,139 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:23:22,140 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:23:22,140 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:23:22,141 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:23:22,141 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:23:22,142 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:23:22,142 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:23:22,143 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:23:22,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:23:22,143 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:23:22,144 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:23:22,144 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:23:22,145 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:23:22,145 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:23:22,146 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:23:22,146 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:23:22,146 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:23:22,147 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_ac98bb47-3485-4781-abae-0b397cf7111d/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac98bb47-3485-4781-abae-0b397cf7111d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4f33aa2cc1f38311ba2397f8e50d98656063732fb966533fd95353a255f95b1 [2023-12-03 02:23:22,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:23:22,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:23:22,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:23:22,528 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:23:22,529 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:23:22,530 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac98bb47-3485-4781-abae-0b397cf7111d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/parallel-lamport.wvr.c [2023-12-03 02:23:25,409 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:23:25,654 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:23:25,655 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac98bb47-3485-4781-abae-0b397cf7111d/sv-benchmarks/c/weaver/parallel-lamport.wvr.c [2023-12-03 02:23:25,665 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac98bb47-3485-4781-abae-0b397cf7111d/bin/ukojak-verify-Qdu7aM0XO9/data/b787af4e2/f4b7b9b978c245928b6a109ae069f56e/FLAGf25d0b69a [2023-12-03 02:23:25,682 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac98bb47-3485-4781-abae-0b397cf7111d/bin/ukojak-verify-Qdu7aM0XO9/data/b787af4e2/f4b7b9b978c245928b6a109ae069f56e [2023-12-03 02:23:25,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:23:25,687 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:23:25,689 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:23:25,689 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:23:25,695 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:23:25,695 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:23:25" (1/1) ... [2023-12-03 02:23:25,697 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dcdec4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:23:25, skipping insertion in model container [2023-12-03 02:23:25,697 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:23:25" (1/1) ... [2023-12-03 02:23:25,731 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:23:25,938 WARN L240 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_ac98bb47-3485-4781-abae-0b397cf7111d/sv-benchmarks/c/weaver/parallel-lamport.wvr.c[4249,4262] [2023-12-03 02:23:25,954 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:23:25,971 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 02:23:25,979 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:23:26,002 WARN L240 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_ac98bb47-3485-4781-abae-0b397cf7111d/sv-benchmarks/c/weaver/parallel-lamport.wvr.c[4249,4262] [2023-12-03 02:23:26,007 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:23:26,013 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:23:26,044 WARN L240 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_ac98bb47-3485-4781-abae-0b397cf7111d/sv-benchmarks/c/weaver/parallel-lamport.wvr.c[4249,4262] [2023-12-03 02:23:26,049 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:23:26,061 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:23:26,062 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:23:26,069 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:23:26,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:23:26 WrapperNode [2023-12-03 02:23:26,069 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:23:26,071 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:23:26,071 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:23:26,071 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:23:26,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:23:26" (1/1) ... [2023-12-03 02:23:26,092 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:23:26" (1/1) ... [2023-12-03 02:23:26,119 INFO L138 Inliner]: procedures = 27, calls = 89, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 116 [2023-12-03 02:23:26,120 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:23:26,121 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:23:26,121 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:23:26,122 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:23:26,130 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:23:26" (1/1) ... [2023-12-03 02:23:26,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:23:26" (1/1) ... [2023-12-03 02:23:26,137 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:23:26" (1/1) ... [2023-12-03 02:23:26,137 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:23:26" (1/1) ... [2023-12-03 02:23:26,150 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:23:26" (1/1) ... [2023-12-03 02:23:26,154 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:23:26" (1/1) ... [2023-12-03 02:23:26,157 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:23:26" (1/1) ... [2023-12-03 02:23:26,159 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:23:26" (1/1) ... [2023-12-03 02:23:26,164 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:23:26,165 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:23:26,166 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:23:26,166 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:23:26,167 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:23:26" (1/1) ... [2023-12-03 02:23:26,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:23:26,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac98bb47-3485-4781-abae-0b397cf7111d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:23:26,196 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac98bb47-3485-4781-abae-0b397cf7111d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:23:26,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac98bb47-3485-4781-abae-0b397cf7111d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:23:26,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:23:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:23:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:23:26,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 02:23:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-03 02:23:26,283 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-03 02:23:26,283 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-03 02:23:26,284 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-03 02:23:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-03 02:23:26,284 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-03 02:23:26,284 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 02:23:26,285 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 02:23:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 02:23:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 02:23:26,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 02:23:26,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:23:26,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:23:26,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:23:26,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 02:23:26,289 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 02:23:26,417 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:23:26,419 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:23:26,786 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:23:26,908 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: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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) [2023-12-03 02:23:26,913 INFO L158 Benchmark]: Toolchain (without parser) took 1224.73ms. Allocated memory is still 96.5MB. Free memory was 72.2MB in the beginning and 42.4MB in the end (delta: 29.9MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2023-12-03 02:23:26,913 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 67.1MB. Free memory is still 43.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:23:26,914 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.11ms. Allocated memory is still 96.5MB. Free memory was 72.0MB in the beginning and 57.2MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 02:23:26,915 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.55ms. Allocated memory is still 96.5MB. Free memory was 57.0MB in the beginning and 55.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:23:26,915 INFO L158 Benchmark]: Boogie Preprocessor took 43.49ms. Allocated memory is still 96.5MB. Free memory was 55.3MB in the beginning and 53.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:23:26,916 INFO L158 Benchmark]: RCFGBuilder took 745.53ms. Allocated memory is still 96.5MB. Free memory was 53.4MB in the beginning and 42.4MB in the end (delta: 11.1MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2023-12-03 02:23:26,919 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 67.1MB. Free memory is still 43.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 381.11ms. Allocated memory is still 96.5MB. Free memory was 72.0MB in the beginning and 57.2MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.55ms. Allocated memory is still 96.5MB. Free memory was 57.0MB in the beginning and 55.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.49ms. Allocated memory is still 96.5MB. Free memory was 55.3MB in the beginning and 53.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 745.53ms. Allocated memory is still 96.5MB. Free memory was 53.4MB in the beginning and 42.4MB in the end (delta: 11.1MB). Peak memory consumption was 9.9MB. 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: ). 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: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 02:23:26,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac98bb47-3485-4781-abae-0b397cf7111d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?