./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe008_power.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50729c9-7426-4f15-b802-e588c9bed584/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50729c9-7426-4f15-b802-e588c9bed584/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50729c9-7426-4f15-b802-e588c9bed584/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50729c9-7426-4f15-b802-e588c9bed584/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe008_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50729c9-7426-4f15-b802-e588c9bed584/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50729c9-7426-4f15-b802-e588c9bed584/bin/ukojak-verify-i0I2FZA1j2 --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 384baf663e8fa66fe4dacec773bc2c5acf71b0d621e6212d04013b3fa3b41d51 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:41:17,323 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:41:17,447 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50729c9-7426-4f15-b802-e588c9bed584/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:41:17,455 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:41:17,456 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:41:17,494 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:41:17,495 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:41:17,496 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:41:17,497 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:41:17,502 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:41:17,503 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:41:17,504 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:41:17,504 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:41:17,506 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:41:17,507 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:41:17,507 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:41:17,508 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:41:17,508 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:41:17,509 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:41:17,509 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:41:17,509 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:41:17,510 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:41:17,511 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:41:17,511 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:41:17,512 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:41:17,513 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:41:17,513 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:41:17,513 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:41:17,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:17,514 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:41:17,516 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:41:17,516 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:41:17,516 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:41:17,530 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:41:17,530 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:41:17,531 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_d50729c9-7426-4f15-b802-e588c9bed584/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50729c9-7426-4f15-b802-e588c9bed584/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 384baf663e8fa66fe4dacec773bc2c5acf71b0d621e6212d04013b3fa3b41d51 [2023-11-21 18:41:17,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:41:17,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:41:17,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:41:17,857 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:41:17,858 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:41:17,859 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50729c9-7426-4f15-b802-e588c9bed584/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread-wmm/safe008_power.opt.i [2023-11-21 18:41:21,020 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:41:21,376 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:41:21,389 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50729c9-7426-4f15-b802-e588c9bed584/sv-benchmarks/c/pthread-wmm/safe008_power.opt.i [2023-11-21 18:41:21,411 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50729c9-7426-4f15-b802-e588c9bed584/bin/ukojak-verify-i0I2FZA1j2/data/4bf47e3a5/8342fa5414d44ef1815ea6f89ec4a8b3/FLAG3cda15e6a [2023-11-21 18:41:21,427 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50729c9-7426-4f15-b802-e588c9bed584/bin/ukojak-verify-i0I2FZA1j2/data/4bf47e3a5/8342fa5414d44ef1815ea6f89ec4a8b3 [2023-11-21 18:41:21,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:41:21,432 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:41:21,433 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:21,434 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:41:21,439 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:41:21,440 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:21" (1/1) ... [2023-11-21 18:41:21,441 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42eba5d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:21, skipping insertion in model container [2023-11-21 18:41:21,442 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:21" (1/1) ... [2023-11-21 18:41:21,495 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:41:22,017 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:22,035 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:41:22,136 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:22,178 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:41:22,178 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:41:22,187 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:41:22,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:22 WrapperNode [2023-11-21 18:41:22,188 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:22,189 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:22,190 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:41:22,190 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:41:22,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:22" (1/1) ... [2023-11-21 18:41:22,217 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:22" (1/1) ... [2023-11-21 18:41:22,248 INFO L138 Inliner]: procedures = 176, calls = 74, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 139 [2023-11-21 18:41:22,248 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:22,249 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:41:22,249 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:41:22,250 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:41:22,264 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:22" (1/1) ... [2023-11-21 18:41:22,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:22" (1/1) ... [2023-11-21 18:41:22,270 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:22" (1/1) ... [2023-11-21 18:41:22,271 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:22" (1/1) ... [2023-11-21 18:41:22,284 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:22" (1/1) ... [2023-11-21 18:41:22,287 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:22" (1/1) ... [2023-11-21 18:41:22,291 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:22" (1/1) ... [2023-11-21 18:41:22,293 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:22" (1/1) ... [2023-11-21 18:41:22,299 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:41:22,300 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:41:22,300 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:41:22,300 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:41:22,301 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:22" (1/1) ... [2023-11-21 18:41:22,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:22,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50729c9-7426-4f15-b802-e588c9bed584/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:41:22,363 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50729c9-7426-4f15-b802-e588c9bed584/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:41:22,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50729c9-7426-4f15-b802-e588c9bed584/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:41:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:41:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:41:22,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:41:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:41:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:41:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:41:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:41:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:41:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-21 18:41:22,420 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-21 18:41:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-21 18:41:22,420 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-21 18:41:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-21 18:41:22,421 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-21 18:41:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:41:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:41:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:41:22,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:41:22,426 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:41:22,643 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:41:22,645 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:41:23,264 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:41:23,692 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_thd1~0 := 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:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:295) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-21 18:41:23,704 INFO L158 Benchmark]: Toolchain (without parser) took 2271.36ms. Allocated memory was 132.1MB in the beginning and 182.5MB in the end (delta: 50.3MB). Free memory was 85.8MB in the beginning and 148.8MB in the end (delta: -63.0MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2023-11-21 18:41:23,705 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 132.1MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:41:23,709 INFO L158 Benchmark]: CACSL2BoogieTranslator took 754.99ms. Allocated memory is still 132.1MB. Free memory was 85.8MB in the beginning and 60.9MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-21 18:41:23,710 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.30ms. Allocated memory is still 132.1MB. Free memory was 60.9MB in the beginning and 58.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:41:23,710 INFO L158 Benchmark]: Boogie Preprocessor took 50.06ms. Allocated memory is still 132.1MB. Free memory was 58.6MB in the beginning and 56.0MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:41:23,711 INFO L158 Benchmark]: RCFGBuilder took 1402.30ms. Allocated memory was 132.1MB in the beginning and 182.5MB in the end (delta: 50.3MB). Free memory was 56.0MB in the beginning and 148.8MB in the end (delta: -92.8MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. [2023-11-21 18:41:23,737 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 132.1MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 754.99ms. Allocated memory is still 132.1MB. Free memory was 85.8MB in the beginning and 60.9MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.30ms. Allocated memory is still 132.1MB. Free memory was 60.9MB in the beginning and 58.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.06ms. Allocated memory is still 132.1MB. Free memory was 58.6MB in the beginning and 56.0MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1402.30ms. Allocated memory was 132.1MB in the beginning and 182.5MB in the end (delta: 50.3MB). Free memory was 56.0MB in the beginning and 148.8MB in the end (delta: -92.8MB). Peak memory consumption was 35.6MB. 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$r_buff0_thd1~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$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_thd1~0 := 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:332) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:41:23,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50729c9-7426-4f15-b802-e588c9bed584/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50729c9-7426-4f15-b802-e588c9bed584/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50729c9-7426-4f15-b802-e588c9bed584/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50729c9-7426-4f15-b802-e588c9bed584/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50729c9-7426-4f15-b802-e588c9bed584/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe008_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50729c9-7426-4f15-b802-e588c9bed584/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50729c9-7426-4f15-b802-e588c9bed584/bin/ukojak-verify-i0I2FZA1j2 --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 384baf663e8fa66fe4dacec773bc2c5acf71b0d621e6212d04013b3fa3b41d51 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:41:26,435 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:41:26,518 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50729c9-7426-4f15-b802-e588c9bed584/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:41:26,586 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:41:26,587 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:41:26,588 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:41:26,589 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:41:26,590 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:41:26,591 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:41:26,597 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:41:26,597 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:41:26,598 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:41:26,598 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:41:26,600 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:41:26,601 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:41:26,601 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:41:26,601 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:41:26,602 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:41:26,602 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:41:26,603 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:41:26,604 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:41:26,605 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:41:26,605 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:41:26,605 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:41:26,606 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:41:26,606 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:41:26,607 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:41:26,607 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:41:26,608 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:41:26,608 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:41:26,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:26,610 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:41:26,610 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:41:26,611 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:41:26,611 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:41:26,611 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:41:26,612 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:41:26,612 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:41:26,612 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:41:26,613 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_d50729c9-7426-4f15-b802-e588c9bed584/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50729c9-7426-4f15-b802-e588c9bed584/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 384baf663e8fa66fe4dacec773bc2c5acf71b0d621e6212d04013b3fa3b41d51 [2023-11-21 18:41:27,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:41:27,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:41:27,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:41:27,141 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:41:27,141 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:41:27,143 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50729c9-7426-4f15-b802-e588c9bed584/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread-wmm/safe008_power.opt.i [2023-11-21 18:41:30,360 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:41:30,710 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:41:30,711 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50729c9-7426-4f15-b802-e588c9bed584/sv-benchmarks/c/pthread-wmm/safe008_power.opt.i [2023-11-21 18:41:30,727 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50729c9-7426-4f15-b802-e588c9bed584/bin/ukojak-verify-i0I2FZA1j2/data/38c4808f4/46d9a25929304c66b1d9fc8acaff9c05/FLAGcb36da765 [2023-11-21 18:41:30,742 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50729c9-7426-4f15-b802-e588c9bed584/bin/ukojak-verify-i0I2FZA1j2/data/38c4808f4/46d9a25929304c66b1d9fc8acaff9c05 [2023-11-21 18:41:30,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:41:30,747 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:41:30,748 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:30,748 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:41:30,753 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:41:30,754 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:30" (1/1) ... [2023-11-21 18:41:30,755 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2741bc3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:30, skipping insertion in model container [2023-11-21 18:41:30,756 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:30" (1/1) ... [2023-11-21 18:41:30,804 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:41:31,395 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:31,417 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:41:31,503 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:31,557 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:41:31,557 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:41:31,563 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:41:31,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:31 WrapperNode [2023-11-21 18:41:31,564 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:31,565 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:31,565 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:41:31,565 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:41:31,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:31" (1/1) ... [2023-11-21 18:41:31,619 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:31" (1/1) ... [2023-11-21 18:41:31,660 INFO L138 Inliner]: procedures = 180, calls = 74, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 140 [2023-11-21 18:41:31,665 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:31,666 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:41:31,666 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:41:31,666 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:41:31,677 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:31" (1/1) ... [2023-11-21 18:41:31,677 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:31" (1/1) ... [2023-11-21 18:41:31,705 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:31" (1/1) ... [2023-11-21 18:41:31,705 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:31" (1/1) ... [2023-11-21 18:41:31,748 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:31" (1/1) ... [2023-11-21 18:41:31,752 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:31" (1/1) ... [2023-11-21 18:41:31,756 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:31" (1/1) ... [2023-11-21 18:41:31,759 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:31" (1/1) ... [2023-11-21 18:41:31,782 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:41:31,783 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:41:31,783 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:41:31,783 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:41:31,784 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:31" (1/1) ... [2023-11-21 18:41:31,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:31,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50729c9-7426-4f15-b802-e588c9bed584/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:41:31,851 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50729c9-7426-4f15-b802-e588c9bed584/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:41:31,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50729c9-7426-4f15-b802-e588c9bed584/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:41:31,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:41:31,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:41:31,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:41:31,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:41:31,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:41:31,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:41:31,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:41:31,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:41:31,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:41:31,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-21 18:41:31,897 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-21 18:41:31,897 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-21 18:41:31,897 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-21 18:41:31,898 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-21 18:41:31,900 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-21 18:41:31,900 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-21 18:41:31,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:41:31,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:41:31,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:41:31,902 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:41:32,080 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:41:32,083 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:41:32,610 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:41:33,103 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_thd1~0 := 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:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:295) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-21 18:41:33,110 INFO L158 Benchmark]: Toolchain (without parser) took 2362.06ms. Allocated memory was 67.1MB in the beginning and 107.0MB in the end (delta: 39.8MB). Free memory was 41.3MB in the beginning and 66.3MB in the end (delta: -25.0MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. [2023-11-21 18:41:33,111 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 67.1MB. Free memory was 42.7MB in the beginning and 42.6MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:41:33,112 INFO L158 Benchmark]: CACSL2BoogieTranslator took 815.88ms. Allocated memory was 67.1MB in the beginning and 107.0MB in the end (delta: 39.8MB). Free memory was 41.1MB in the beginning and 71.2MB in the end (delta: -30.1MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2023-11-21 18:41:33,113 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.54ms. Allocated memory is still 107.0MB. Free memory was 71.2MB in the beginning and 68.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:41:33,114 INFO L158 Benchmark]: Boogie Preprocessor took 115.86ms. Allocated memory is still 107.0MB. Free memory was 68.7MB in the beginning and 65.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:41:33,115 INFO L158 Benchmark]: RCFGBuilder took 1325.41ms. Allocated memory is still 107.0MB. Free memory was 65.8MB in the beginning and 66.3MB in the end (delta: -523.6kB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2023-11-21 18:41:33,124 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 67.1MB. Free memory was 42.7MB in the beginning and 42.6MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 815.88ms. Allocated memory was 67.1MB in the beginning and 107.0MB in the end (delta: 39.8MB). Free memory was 41.1MB in the beginning and 71.2MB in the end (delta: -30.1MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.54ms. Allocated memory is still 107.0MB. Free memory was 71.2MB in the beginning and 68.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 115.86ms. Allocated memory is still 107.0MB. Free memory was 68.7MB in the beginning and 65.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1325.41ms. Allocated memory is still 107.0MB. Free memory was 65.8MB in the beginning and 66.3MB in the end (delta: -523.6kB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~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$r_buff0_thd1~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$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_thd1~0 := 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:332) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:41:33,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50729c9-7426-4f15-b802-e588c9bed584/bin/ukojak-verify-i0I2FZA1j2/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_thd1~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?