./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe020_power.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_fd5063fd-72a8-4b89-be93-115092116394/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5063fd-72a8-4b89-be93-115092116394/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5063fd-72a8-4b89-be93-115092116394/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5063fd-72a8-4b89-be93-115092116394/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe020_power.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5063fd-72a8-4b89-be93-115092116394/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5063fd-72a8-4b89-be93-115092116394/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cd91eb07499c204f7750c4a87fd11eb7780a100da5928fd001cd5e1a53feff12 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:08:20,146 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:08:20,302 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5063fd-72a8-4b89-be93-115092116394/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 04:08:20,319 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:08:20,320 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:08:20,372 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:08:20,373 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:08:20,373 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:08:20,375 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:08:20,384 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:08:20,384 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:08:20,385 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:08:20,385 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:08:20,388 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:08:20,388 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:08:20,389 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:08:20,389 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:08:20,390 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:08:20,390 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:08:20,391 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:08:20,391 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:08:20,392 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:08:20,393 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:08:20,393 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:08:20,394 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:08:20,394 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:08:20,395 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:08:20,396 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:08:20,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:20,397 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:08:20,399 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:08:20,399 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:08:20,399 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:08:20,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:08:20,400 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:08:20,400 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_fd5063fd-72a8-4b89-be93-115092116394/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5063fd-72a8-4b89-be93-115092116394/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd91eb07499c204f7750c4a87fd11eb7780a100da5928fd001cd5e1a53feff12 [2023-11-19 04:08:20,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:08:20,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:08:20,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:08:20,834 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:08:20,834 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:08:20,837 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5063fd-72a8-4b89-be93-115092116394/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-wmm/safe020_power.i [2023-11-19 04:08:24,089 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:08:24,423 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:08:24,424 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5063fd-72a8-4b89-be93-115092116394/sv-benchmarks/c/pthread-wmm/safe020_power.i [2023-11-19 04:08:24,448 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5063fd-72a8-4b89-be93-115092116394/bin/ukojak-verify-G8NBE6pJGL/data/9513a85e6/f07605a56273432798aefe13dc1b0772/FLAGda7f5288c [2023-11-19 04:08:24,466 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5063fd-72a8-4b89-be93-115092116394/bin/ukojak-verify-G8NBE6pJGL/data/9513a85e6/f07605a56273432798aefe13dc1b0772 [2023-11-19 04:08:24,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:08:24,471 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:08:24,473 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:24,474 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:08:24,486 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:08:24,487 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:24" (1/1) ... [2023-11-19 04:08:24,488 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@552e1aef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:24, skipping insertion in model container [2023-11-19 04:08:24,488 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:24" (1/1) ... [2023-11-19 04:08:24,577 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:08:25,351 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:25,377 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:08:25,462 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:25,517 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:08:25,517 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:08:25,527 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:08:25,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:25 WrapperNode [2023-11-19 04:08:25,528 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:25,530 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:25,530 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:08:25,531 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:08:25,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:25" (1/1) ... [2023-11-19 04:08:25,591 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:25" (1/1) ... [2023-11-19 04:08:25,654 INFO L138 Inliner]: procedures = 176, calls = 78, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 138 [2023-11-19 04:08:25,654 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:25,656 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:08:25,656 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:08:25,657 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:08:25,668 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:25" (1/1) ... [2023-11-19 04:08:25,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:25" (1/1) ... [2023-11-19 04:08:25,692 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:25" (1/1) ... [2023-11-19 04:08:25,696 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:25" (1/1) ... [2023-11-19 04:08:25,717 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:25" (1/1) ... [2023-11-19 04:08:25,730 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:25" (1/1) ... [2023-11-19 04:08:25,745 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:25" (1/1) ... [2023-11-19 04:08:25,754 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:25" (1/1) ... [2023-11-19 04:08:25,762 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:08:25,771 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:08:25,771 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:08:25,771 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:08:25,772 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:25" (1/1) ... [2023-11-19 04:08:25,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:25,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5063fd-72a8-4b89-be93-115092116394/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:08:25,807 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5063fd-72a8-4b89-be93-115092116394/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:08:25,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5063fd-72a8-4b89-be93-115092116394/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:08:25,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:08:25,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:08:25,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:08:25,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:08:25,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 04:08:25,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:08:25,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:08:25,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:08:25,878 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 04:08:25,879 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 04:08:25,879 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 04:08:25,879 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 04:08:25,880 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-19 04:08:25,880 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-19 04:08:25,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:08:25,880 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 04:08:25,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:08:25,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:08:25,883 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 04:08:26,089 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:08:26,091 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:08:26,883 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:08:27,407 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:08:27,408 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:08:27,410 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: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff1_thd3~0 := ~x$r_buff0_thd3~0;~x$r_buff0_thd2~0 := 1;). 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:328) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 04:08:27,416 INFO L158 Benchmark]: Toolchain (without parser) took 2943.30ms. Allocated memory is still 174.1MB. Free memory was 138.2MB in the beginning and 121.0MB in the end (delta: 17.1MB). Peak memory consumption was 93.1MB. Max. memory is 16.1GB. [2023-11-19 04:08:27,417 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 125.8MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:08:27,418 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1055.84ms. Allocated memory is still 174.1MB. Free memory was 138.2MB in the beginning and 124.8MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:08:27,419 INFO L158 Benchmark]: Boogie Procedure Inliner took 125.20ms. Allocated memory is still 174.1MB. Free memory was 124.8MB in the beginning and 121.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:08:27,421 INFO L158 Benchmark]: Boogie Preprocessor took 113.73ms. Allocated memory is still 174.1MB. Free memory was 121.8MB in the beginning and 119.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:08:27,422 INFO L158 Benchmark]: RCFGBuilder took 1643.10ms. Allocated memory is still 174.1MB. Free memory was 119.7MB in the beginning and 121.0MB in the end (delta: -1.3MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2023-11-19 04:08:27,426 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 125.8MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1055.84ms. Allocated memory is still 174.1MB. Free memory was 138.2MB in the beginning and 124.8MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 125.20ms. Allocated memory is still 174.1MB. Free memory was 124.8MB in the beginning and 121.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 113.73ms. Allocated memory is still 174.1MB. Free memory was 121.8MB in the beginning and 119.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1643.10ms. Allocated memory is still 174.1MB. Free memory was 119.7MB in the beginning and 121.0MB in the end (delta: -1.3MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff1_thd3~0 := ~x$r_buff0_thd3~0;~x$r_buff0_thd2~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff1_thd3~0 := ~x$r_buff0_thd3~0;~x$r_buff0_thd2~0 := 1;). 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:328) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 04:08:27,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5063fd-72a8-4b89-be93-115092116394/bin/ukojak-verify-G8NBE6pJGL/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_fd5063fd-72a8-4b89-be93-115092116394/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5063fd-72a8-4b89-be93-115092116394/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5063fd-72a8-4b89-be93-115092116394/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5063fd-72a8-4b89-be93-115092116394/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe020_power.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5063fd-72a8-4b89-be93-115092116394/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5063fd-72a8-4b89-be93-115092116394/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cd91eb07499c204f7750c4a87fd11eb7780a100da5928fd001cd5e1a53feff12 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:08:30,489 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:08:30,641 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5063fd-72a8-4b89-be93-115092116394/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 04:08:30,693 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:08:30,694 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:08:30,695 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:08:30,696 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:08:30,696 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:08:30,698 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:08:30,703 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:08:30,704 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:08:30,704 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:08:30,705 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:08:30,706 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:08:30,707 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:08:30,707 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:08:30,708 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:08:30,708 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:08:30,708 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:08:30,710 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:08:30,710 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:08:30,710 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:08:30,711 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:08:30,711 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:08:30,712 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:08:30,712 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:08:30,712 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:08:30,713 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:08:30,713 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:08:30,714 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:08:30,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:30,715 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:08:30,715 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:08:30,716 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:08:30,716 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:08:30,716 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:08:30,717 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:08:30,717 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:08:30,717 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:08:30,718 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_fd5063fd-72a8-4b89-be93-115092116394/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5063fd-72a8-4b89-be93-115092116394/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd91eb07499c204f7750c4a87fd11eb7780a100da5928fd001cd5e1a53feff12 [2023-11-19 04:08:31,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:08:31,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:08:31,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:08:31,231 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:08:31,231 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:08:31,233 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5063fd-72a8-4b89-be93-115092116394/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-wmm/safe020_power.i [2023-11-19 04:08:34,806 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:08:35,321 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:08:35,322 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5063fd-72a8-4b89-be93-115092116394/sv-benchmarks/c/pthread-wmm/safe020_power.i [2023-11-19 04:08:35,357 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5063fd-72a8-4b89-be93-115092116394/bin/ukojak-verify-G8NBE6pJGL/data/c2feffa26/7739da2d6f9a48e9988906d267748be6/FLAG41bc8ab27 [2023-11-19 04:08:35,383 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5063fd-72a8-4b89-be93-115092116394/bin/ukojak-verify-G8NBE6pJGL/data/c2feffa26/7739da2d6f9a48e9988906d267748be6 [2023-11-19 04:08:35,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:08:35,393 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:08:35,399 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:35,399 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:08:35,406 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:08:35,407 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:35" (1/1) ... [2023-11-19 04:08:35,408 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9aaa157 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:35, skipping insertion in model container [2023-11-19 04:08:35,408 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:35" (1/1) ... [2023-11-19 04:08:35,486 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:08:36,028 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:36,048 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:08:36,136 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:36,218 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:08:36,218 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:08:36,228 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:08:36,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:36 WrapperNode [2023-11-19 04:08:36,242 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:36,243 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:36,243 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:08:36,254 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:08:36,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:36" (1/1) ... [2023-11-19 04:08:36,337 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:36" (1/1) ... [2023-11-19 04:08:36,380 INFO L138 Inliner]: procedures = 180, calls = 78, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 139 [2023-11-19 04:08:36,381 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:36,381 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:08:36,382 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:08:36,382 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:08:36,393 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:36" (1/1) ... [2023-11-19 04:08:36,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:36" (1/1) ... [2023-11-19 04:08:36,404 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:36" (1/1) ... [2023-11-19 04:08:36,405 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:36" (1/1) ... [2023-11-19 04:08:36,461 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:36" (1/1) ... [2023-11-19 04:08:36,465 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:36" (1/1) ... [2023-11-19 04:08:36,481 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:36" (1/1) ... [2023-11-19 04:08:36,485 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:36" (1/1) ... [2023-11-19 04:08:36,493 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:08:36,507 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:08:36,508 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:08:36,508 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:08:36,509 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:36" (1/1) ... [2023-11-19 04:08:36,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:36,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5063fd-72a8-4b89-be93-115092116394/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:08:36,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5063fd-72a8-4b89-be93-115092116394/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:08:36,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5063fd-72a8-4b89-be93-115092116394/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:08:36,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 04:08:36,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:08:36,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:08:36,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 04:08:36,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:08:36,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:08:36,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:08:36,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:08:36,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:08:36,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 04:08:36,646 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 04:08:36,646 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 04:08:36,646 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 04:08:36,646 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 04:08:36,649 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-19 04:08:36,650 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-19 04:08:36,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 04:08:36,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:08:36,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:08:36,652 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 04:08:36,975 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:08:36,978 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:08:37,734 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:08:38,331 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:08:38,331 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:08:38,334 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: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff1_thd3~0 := ~x$r_buff0_thd3~0;~x$r_buff0_thd2~0 := 1bv8;). 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:328) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 04:08:38,342 INFO L158 Benchmark]: Toolchain (without parser) took 2947.70ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 60.4MB in the beginning and 43.4MB in the end (delta: 17.0MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2023-11-19 04:08:38,343 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 86.0MB. Free memory was 61.6MB in the beginning and 61.5MB in the end (delta: 82.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:08:38,344 INFO L158 Benchmark]: CACSL2BoogieTranslator took 843.17ms. Allocated memory is still 86.0MB. Free memory was 60.2MB in the beginning and 61.3MB in the end (delta: -1.2MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2023-11-19 04:08:38,345 INFO L158 Benchmark]: Boogie Procedure Inliner took 137.64ms. Allocated memory is still 86.0MB. Free memory was 61.3MB in the beginning and 58.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:08:38,348 INFO L158 Benchmark]: Boogie Preprocessor took 125.20ms. Allocated memory is still 86.0MB. Free memory was 58.7MB in the beginning and 55.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:08:38,349 INFO L158 Benchmark]: RCFGBuilder took 1832.61ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 55.5MB in the beginning and 43.4MB in the end (delta: 12.2MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. [2023-11-19 04:08:38,359 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 86.0MB. Free memory was 61.6MB in the beginning and 61.5MB in the end (delta: 82.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 843.17ms. Allocated memory is still 86.0MB. Free memory was 60.2MB in the beginning and 61.3MB in the end (delta: -1.2MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 137.64ms. Allocated memory is still 86.0MB. Free memory was 61.3MB in the beginning and 58.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 125.20ms. Allocated memory is still 86.0MB. Free memory was 58.7MB in the beginning and 55.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1832.61ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 55.5MB in the beginning and 43.4MB in the end (delta: 12.2MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff1_thd3~0 := ~x$r_buff0_thd3~0;~x$r_buff0_thd2~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff1_thd3~0 := ~x$r_buff0_thd3~0;~x$r_buff0_thd2~0 := 1bv8;). 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:328) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 04:08:38,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd5063fd-72a8-4b89-be93-115092116394/bin/ukojak-verify-G8NBE6pJGL/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: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff1_thd3~0 := ~x$r_buff0_thd3~0;~x$r_buff0_thd2~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?