./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_d3732adc-4daa-49d2-8c31-72eef6457cc1/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3732adc-4daa-49d2-8c31-72eef6457cc1/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3732adc-4daa-49d2-8c31-72eef6457cc1/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3732adc-4daa-49d2-8c31-72eef6457cc1/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3732adc-4daa-49d2-8c31-72eef6457cc1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3732adc-4daa-49d2-8c31-72eef6457cc1/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3efee66e785ce3d2f2ce0101e78a1cdae99209fb089cd0ed9c95f4aa53c186ea --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:25:15,979 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:25:16,067 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3732adc-4daa-49d2-8c31-72eef6457cc1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:25:16,072 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:25:16,072 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:25:16,099 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:25:16,100 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:25:16,100 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:25:16,101 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:25:16,102 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:25:16,102 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:25:16,103 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:25:16,103 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:25:16,103 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:25:16,104 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:25:16,104 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:25:16,105 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:25:16,105 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:25:16,106 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:25:16,106 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:25:16,107 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:25:16,110 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:25:16,111 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:25:16,111 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:25:16,111 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:25:16,112 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:25:16,112 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:25:16,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:25:16,113 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:25:16,113 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:25:16,114 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:25:16,114 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:25:16,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:25:16,118 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_d3732adc-4daa-49d2-8c31-72eef6457cc1/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3732adc-4daa-49d2-8c31-72eef6457cc1/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3efee66e785ce3d2f2ce0101e78a1cdae99209fb089cd0ed9c95f4aa53c186ea [2024-11-08 23:25:16,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:25:16,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:25:16,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:25:16,454 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:25:16,455 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:25:16,458 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3732adc-4daa-49d2-8c31-72eef6457cc1/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i Unable to find full path for "g++" [2024-11-08 23:25:18,723 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:25:19,056 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:25:19,057 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3732adc-4daa-49d2-8c31-72eef6457cc1/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2024-11-08 23:25:19,075 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3732adc-4daa-49d2-8c31-72eef6457cc1/bin/ukojak-verify-ImItNfHLgk/data/9b9814128/e87aed0fc2534c1487e03e96edf55912/FLAGe49ce8888 [2024-11-08 23:25:19,302 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3732adc-4daa-49d2-8c31-72eef6457cc1/bin/ukojak-verify-ImItNfHLgk/data/9b9814128/e87aed0fc2534c1487e03e96edf55912 [2024-11-08 23:25:19,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:25:19,307 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:25:19,308 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:25:19,308 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:25:19,315 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:25:19,316 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:25:19" (1/1) ... [2024-11-08 23:25:19,320 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75e392c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:19, skipping insertion in model container [2024-11-08 23:25:19,321 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:25:19" (1/1) ... [2024-11-08 23:25:19,374 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:25:19,831 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_d3732adc-4daa-49d2-8c31-72eef6457cc1/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i[31309,31322] [2024-11-08 23:25:19,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:25:19,938 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:25:20,002 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_d3732adc-4daa-49d2-8c31-72eef6457cc1/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i[31309,31322] [2024-11-08 23:25:20,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:25:20,137 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:25:20,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:20 WrapperNode [2024-11-08 23:25:20,138 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:25:20,140 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:25:20,140 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:25:20,141 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:25:20,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:20" (1/1) ... [2024-11-08 23:25:20,197 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:20" (1/1) ... [2024-11-08 23:25:20,291 INFO L138 Inliner]: procedures = 179, calls = 46, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 2065 [2024-11-08 23:25:20,292 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:25:20,293 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:25:20,294 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:25:20,294 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:25:20,304 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:20" (1/1) ... [2024-11-08 23:25:20,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:20" (1/1) ... [2024-11-08 23:25:20,315 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:20" (1/1) ... [2024-11-08 23:25:20,315 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:20" (1/1) ... [2024-11-08 23:25:20,358 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:20" (1/1) ... [2024-11-08 23:25:20,375 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:20" (1/1) ... [2024-11-08 23:25:20,379 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:20" (1/1) ... [2024-11-08 23:25:20,386 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:20" (1/1) ... [2024-11-08 23:25:20,396 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:25:20,397 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:25:20,398 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:25:20,398 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:25:20,399 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:20" (1/1) ... [2024-11-08 23:25:20,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:25:20,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3732adc-4daa-49d2-8c31-72eef6457cc1/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:25:20,440 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3732adc-4daa-49d2-8c31-72eef6457cc1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:25:20,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3732adc-4daa-49d2-8c31-72eef6457cc1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:25:20,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:25:20,472 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-08 23:25:20,472 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-08 23:25:20,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:25:20,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2024-11-08 23:25:20,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2024-11-08 23:25:20,475 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:25:20,475 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:25:20,475 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-08 23:25:20,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:25:20,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:25:20,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:25:20,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:25:20,476 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-08 23:25:20,477 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2024-11-08 23:25:20,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2024-11-08 23:25:20,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:25:20,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:25:20,481 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 23:25:20,634 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:25:20,636 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:25:22,816 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 23:25:22,817 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:25:23,056 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start 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.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 23:25:23,063 INFO L158 Benchmark]: Toolchain (without parser) took 3755.30ms. Allocated memory was 117.4MB in the beginning and 174.1MB in the end (delta: 56.6MB). Free memory was 77.5MB in the beginning and 98.0MB in the end (delta: -20.5MB). Peak memory consumption was 78.1MB. Max. memory is 16.1GB. [2024-11-08 23:25:23,066 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:25:23,067 INFO L158 Benchmark]: CACSL2BoogieTranslator took 830.98ms. Allocated memory was 117.4MB in the beginning and 174.1MB in the end (delta: 56.6MB). Free memory was 77.2MB in the beginning and 133.1MB in the end (delta: -55.9MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2024-11-08 23:25:23,067 INFO L158 Benchmark]: Boogie Procedure Inliner took 152.49ms. Allocated memory is still 174.1MB. Free memory was 133.1MB in the beginning and 123.8MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 23:25:23,068 INFO L158 Benchmark]: Boogie Preprocessor took 103.43ms. Allocated memory is still 174.1MB. Free memory was 123.8MB in the beginning and 114.3MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 23:25:23,069 INFO L158 Benchmark]: RCFGBuilder took 2663.52ms. Allocated memory is still 174.1MB. Free memory was 114.3MB in the beginning and 98.0MB in the end (delta: 16.3MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. [2024-11-08 23:25:23,073 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 830.98ms. Allocated memory was 117.4MB in the beginning and 174.1MB in the end (delta: 56.6MB). Free memory was 77.2MB in the beginning and 133.1MB in the end (delta: -55.9MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 152.49ms. Allocated memory is still 174.1MB. Free memory was 133.1MB in the beginning and 123.8MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 103.43ms. Allocated memory is still 174.1MB. Free memory was 123.8MB in the beginning and 114.3MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2663.52ms. Allocated memory is still 174.1MB. Free memory was 114.3MB in the beginning and 98.0MB in the end (delta: 16.3MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start 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 start of atomic block: ). 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:146) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 23:25:23,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3732adc-4daa-49d2-8c31-72eef6457cc1/bin/ukojak-verify-ImItNfHLgk/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_d3732adc-4daa-49d2-8c31-72eef6457cc1/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3732adc-4daa-49d2-8c31-72eef6457cc1/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3732adc-4daa-49d2-8c31-72eef6457cc1/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3732adc-4daa-49d2-8c31-72eef6457cc1/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3732adc-4daa-49d2-8c31-72eef6457cc1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3732adc-4daa-49d2-8c31-72eef6457cc1/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3efee66e785ce3d2f2ce0101e78a1cdae99209fb089cd0ed9c95f4aa53c186ea --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:25:25,656 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:25:25,766 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3732adc-4daa-49d2-8c31-72eef6457cc1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:25:25,815 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:25:25,816 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:25:25,817 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:25:25,818 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:25:25,818 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:25:25,819 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:25:25,821 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:25:25,821 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:25:25,822 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:25:25,822 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:25:25,822 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:25:25,823 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:25:25,825 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:25:25,825 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:25:25,825 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:25:25,826 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:25:25,826 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:25:25,826 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:25:25,830 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:25:25,831 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:25:25,831 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:25:25,831 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:25:25,832 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:25:25,832 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:25:25,832 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:25:25,832 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:25:25,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:25:25,833 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:25:25,833 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:25:25,834 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:25:25,834 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:25:25,834 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:25:25,835 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:25:25,835 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_d3732adc-4daa-49d2-8c31-72eef6457cc1/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3732adc-4daa-49d2-8c31-72eef6457cc1/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3efee66e785ce3d2f2ce0101e78a1cdae99209fb089cd0ed9c95f4aa53c186ea [2024-11-08 23:25:26,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:25:26,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:25:26,285 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:25:26,287 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:25:26,287 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:25:26,289 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3732adc-4daa-49d2-8c31-72eef6457cc1/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i Unable to find full path for "g++" [2024-11-08 23:25:28,438 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:25:28,779 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:25:28,780 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3732adc-4daa-49d2-8c31-72eef6457cc1/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2024-11-08 23:25:28,803 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3732adc-4daa-49d2-8c31-72eef6457cc1/bin/ukojak-verify-ImItNfHLgk/data/5d83782e9/bae6ff98c61e4e64a62b956205450c30/FLAG6ab719a7d [2024-11-08 23:25:28,830 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3732adc-4daa-49d2-8c31-72eef6457cc1/bin/ukojak-verify-ImItNfHLgk/data/5d83782e9/bae6ff98c61e4e64a62b956205450c30 [2024-11-08 23:25:28,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:25:28,835 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:25:28,838 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:25:28,840 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:25:28,846 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:25:28,847 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:25:28" (1/1) ... [2024-11-08 23:25:28,848 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e440c1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:28, skipping insertion in model container [2024-11-08 23:25:28,848 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:25:28" (1/1) ... [2024-11-08 23:25:28,917 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:25:29,484 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_d3732adc-4daa-49d2-8c31-72eef6457cc1/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i[31309,31322] [2024-11-08 23:25:29,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:25:29,632 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:25:29,687 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_d3732adc-4daa-49d2-8c31-72eef6457cc1/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i[31309,31322] [2024-11-08 23:25:29,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:25:29,781 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:25:29,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:29 WrapperNode [2024-11-08 23:25:29,782 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:25:29,783 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:25:29,784 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:25:29,784 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:25:29,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:29" (1/1) ... [2024-11-08 23:25:29,831 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:29" (1/1) ... [2024-11-08 23:25:29,933 INFO L138 Inliner]: procedures = 183, calls = 46, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 2062 [2024-11-08 23:25:29,933 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:25:29,934 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:25:29,934 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:25:29,934 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:25:29,954 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:29" (1/1) ... [2024-11-08 23:25:29,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:29" (1/1) ... [2024-11-08 23:25:29,969 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:29" (1/1) ... [2024-11-08 23:25:29,972 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:29" (1/1) ... [2024-11-08 23:25:30,025 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:29" (1/1) ... [2024-11-08 23:25:30,073 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:29" (1/1) ... [2024-11-08 23:25:30,086 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:29" (1/1) ... [2024-11-08 23:25:30,095 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:29" (1/1) ... [2024-11-08 23:25:30,116 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:25:30,116 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:25:30,117 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:25:30,117 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:25:30,118 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:29" (1/1) ... [2024-11-08 23:25:30,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:25:30,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3732adc-4daa-49d2-8c31-72eef6457cc1/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:25:30,154 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3732adc-4daa-49d2-8c31-72eef6457cc1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:25:30,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3732adc-4daa-49d2-8c31-72eef6457cc1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:25:30,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 23:25:30,184 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-08 23:25:30,184 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-08 23:25:30,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2024-11-08 23:25:30,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2024-11-08 23:25:30,184 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:25:30,184 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:25:30,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-08 23:25:30,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:25:30,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:25:30,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:25:30,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 23:25:30,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:25:30,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-08 23:25:30,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-08 23:25:30,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2024-11-08 23:25:30,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2024-11-08 23:25:30,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:25:30,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:25:30,188 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 23:25:30,398 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:25:30,401 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:25:33,082 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 23:25:33,082 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:25:33,293 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start 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.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 23:25:33,298 INFO L158 Benchmark]: Toolchain (without parser) took 4462.26ms. Allocated memory was 77.6MB in the beginning and 134.2MB in the end (delta: 56.6MB). Free memory was 53.5MB in the beginning and 88.8MB in the end (delta: -35.3MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. [2024-11-08 23:25:33,300 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 77.6MB. Free memory was 53.3MB in the beginning and 53.2MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:25:33,301 INFO L158 Benchmark]: CACSL2BoogieTranslator took 944.48ms. Allocated memory was 77.6MB in the beginning and 107.0MB in the end (delta: 29.4MB). Free memory was 53.2MB in the beginning and 63.3MB in the end (delta: -10.0MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2024-11-08 23:25:33,302 INFO L158 Benchmark]: Boogie Procedure Inliner took 150.07ms. Allocated memory is still 107.0MB. Free memory was 63.3MB in the beginning and 53.9MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 23:25:33,303 INFO L158 Benchmark]: Boogie Preprocessor took 181.72ms. Allocated memory is still 107.0MB. Free memory was 53.9MB in the beginning and 73.0MB in the end (delta: -19.1MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2024-11-08 23:25:33,304 INFO L158 Benchmark]: RCFGBuilder took 3179.60ms. Allocated memory was 107.0MB in the beginning and 134.2MB in the end (delta: 27.3MB). Free memory was 73.0MB in the beginning and 88.8MB in the end (delta: -15.7MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. [2024-11-08 23:25:33,308 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 77.6MB. Free memory was 53.3MB in the beginning and 53.2MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 944.48ms. Allocated memory was 77.6MB in the beginning and 107.0MB in the end (delta: 29.4MB). Free memory was 53.2MB in the beginning and 63.3MB in the end (delta: -10.0MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 150.07ms. Allocated memory is still 107.0MB. Free memory was 63.3MB in the beginning and 53.9MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 181.72ms. Allocated memory is still 107.0MB. Free memory was 53.9MB in the beginning and 73.0MB in the end (delta: -19.1MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * RCFGBuilder took 3179.60ms. Allocated memory was 107.0MB in the beginning and 134.2MB in the end (delta: 27.3MB). Free memory was 73.0MB in the beginning and 88.8MB in the end (delta: -15.7MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start 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 start of atomic block: ). 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:146) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 23:25:33,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3732adc-4daa-49d2-8c31-72eef6457cc1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?