./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix018.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_a23ab8b2-640f-4b9d-ac48-b0845a6cec91/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23ab8b2-640f-4b9d-ac48-b0845a6cec91/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_a23ab8b2-640f-4b9d-ac48-b0845a6cec91/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23ab8b2-640f-4b9d-ac48-b0845a6cec91/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix018.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23ab8b2-640f-4b9d-ac48-b0845a6cec91/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_a23ab8b2-640f-4b9d-ac48-b0845a6cec91/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 a7349305eeae716fa3a7c11218caa894d6e5121d77db0055a98af7bd7c666586 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:44:23,949 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:44:24,020 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23ab8b2-640f-4b9d-ac48-b0845a6cec91/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:44:24,025 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:44:24,026 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:44:24,051 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:44:24,052 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:44:24,053 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:44:24,054 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:44:24,054 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:44:24,055 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:44:24,056 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:44:24,056 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:44:24,057 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:44:24,058 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:44:24,058 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:44:24,059 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:44:24,060 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:44:24,060 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:44:24,061 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:44:24,061 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:44:24,062 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:44:24,063 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:44:24,064 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:44:24,064 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:44:24,065 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:44:24,066 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:44:24,066 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:44:24,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:44:24,068 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:44:24,068 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:44:24,069 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:44:24,069 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:44:24,070 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:44:24,071 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:44:24,071 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_a23ab8b2-640f-4b9d-ac48-b0845a6cec91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23ab8b2-640f-4b9d-ac48-b0845a6cec91/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7349305eeae716fa3a7c11218caa894d6e5121d77db0055a98af7bd7c666586 [2023-11-21 18:44:24,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:44:24,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:44:24,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:44:24,426 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:44:24,428 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:44:24,429 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23ab8b2-640f-4b9d-ac48-b0845a6cec91/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread-wmm/mix018.opt.i [2023-11-21 18:44:27,489 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:44:27,795 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:44:27,796 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23ab8b2-640f-4b9d-ac48-b0845a6cec91/sv-benchmarks/c/pthread-wmm/mix018.opt.i [2023-11-21 18:44:27,812 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23ab8b2-640f-4b9d-ac48-b0845a6cec91/bin/ukojak-verify-i0I2FZA1j2/data/07ef16e77/bed0ef4c0a28416ca0320853daf8f8b8/FLAG4d31ab32d [2023-11-21 18:44:27,826 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23ab8b2-640f-4b9d-ac48-b0845a6cec91/bin/ukojak-verify-i0I2FZA1j2/data/07ef16e77/bed0ef4c0a28416ca0320853daf8f8b8 [2023-11-21 18:44:27,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:44:27,830 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:44:27,831 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:44:27,832 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:44:27,837 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:44:27,837 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:44:27" (1/1) ... [2023-11-21 18:44:27,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69e2080f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:27, skipping insertion in model container [2023-11-21 18:44:27,839 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:44:27" (1/1) ... [2023-11-21 18:44:27,889 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:44:28,362 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:44:28,382 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:44:28,476 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:44:28,513 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:44:28,513 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:44:28,521 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:44:28,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:28 WrapperNode [2023-11-21 18:44:28,521 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:44:28,523 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:44:28,523 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:44:28,523 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:44:28,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:28" (1/1) ... [2023-11-21 18:44:28,576 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:28" (1/1) ... [2023-11-21 18:44:28,627 INFO L138 Inliner]: procedures = 177, calls = 70, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 112 [2023-11-21 18:44:28,632 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:44:28,634 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:44:28,634 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:44:28,634 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:44:28,644 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:28" (1/1) ... [2023-11-21 18:44:28,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:28" (1/1) ... [2023-11-21 18:44:28,653 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:28" (1/1) ... [2023-11-21 18:44:28,654 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:28" (1/1) ... [2023-11-21 18:44:28,666 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:28" (1/1) ... [2023-11-21 18:44:28,668 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:28" (1/1) ... [2023-11-21 18:44:28,671 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:28" (1/1) ... [2023-11-21 18:44:28,674 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:28" (1/1) ... [2023-11-21 18:44:28,679 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:44:28,680 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:44:28,680 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:44:28,680 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:44:28,681 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:28" (1/1) ... [2023-11-21 18:44:28,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:44:28,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23ab8b2-640f-4b9d-ac48-b0845a6cec91/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:44:28,740 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23ab8b2-640f-4b9d-ac48-b0845a6cec91/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:44:28,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23ab8b2-640f-4b9d-ac48-b0845a6cec91/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:44:28,789 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:44:28,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:44:28,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:44:28,790 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:44:28,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:44:28,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:44:28,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:44:28,790 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-21 18:44:28,791 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-21 18:44:28,791 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-21 18:44:28,791 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-21 18:44:28,791 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-21 18:44:28,791 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-21 18:44:28,791 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-21 18:44:28,792 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-21 18:44:28,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:44:28,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:44:28,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:44:28,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:44:28,794 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 18:44:28,963 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:44:28,965 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:44:29,355 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:44:29,594 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: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd4~0 := 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-21 18:44:29,599 INFO L158 Benchmark]: Toolchain (without parser) took 1767.63ms. Allocated memory was 123.7MB in the beginning and 163.6MB in the end (delta: 39.8MB). Free memory was 77.1MB in the beginning and 98.0MB in the end (delta: -20.9MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2023-11-21 18:44:29,599 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 123.7MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:44:29,600 INFO L158 Benchmark]: CACSL2BoogieTranslator took 690.49ms. Allocated memory is still 123.7MB. Free memory was 77.1MB in the beginning and 52.6MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-21 18:44:29,601 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.31ms. Allocated memory is still 123.7MB. Free memory was 52.6MB in the beginning and 50.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:44:29,602 INFO L158 Benchmark]: Boogie Preprocessor took 45.65ms. Allocated memory is still 123.7MB. Free memory was 50.0MB in the beginning and 47.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:44:29,603 INFO L158 Benchmark]: RCFGBuilder took 916.90ms. Allocated memory was 123.7MB in the beginning and 163.6MB in the end (delta: 39.8MB). Free memory was 47.9MB in the beginning and 98.0MB in the end (delta: -50.1MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2023-11-21 18:44:29,606 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 123.7MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 690.49ms. Allocated memory is still 123.7MB. Free memory was 77.1MB in the beginning and 52.6MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.31ms. Allocated memory is still 123.7MB. Free memory was 52.6MB in the beginning and 50.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.65ms. Allocated memory is still 123.7MB. Free memory was 50.0MB in the beginning and 47.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 916.90ms. Allocated memory was 123.7MB in the beginning and 163.6MB in the end (delta: 39.8MB). Free memory was 47.9MB in the beginning and 98.0MB in the end (delta: -50.1MB). Peak memory consumption was 21.7MB. 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: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd4~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd4~0 := 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 18:44:29,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23ab8b2-640f-4b9d-ac48-b0845a6cec91/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 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_a23ab8b2-640f-4b9d-ac48-b0845a6cec91/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23ab8b2-640f-4b9d-ac48-b0845a6cec91/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_a23ab8b2-640f-4b9d-ac48-b0845a6cec91/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23ab8b2-640f-4b9d-ac48-b0845a6cec91/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix018.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23ab8b2-640f-4b9d-ac48-b0845a6cec91/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_a23ab8b2-640f-4b9d-ac48-b0845a6cec91/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 a7349305eeae716fa3a7c11218caa894d6e5121d77db0055a98af7bd7c666586 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:44:32,186 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:44:32,309 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23ab8b2-640f-4b9d-ac48-b0845a6cec91/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:44:32,361 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:44:32,362 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:44:32,363 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:44:32,364 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:44:32,364 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:44:32,366 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:44:32,371 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:44:32,371 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:44:32,372 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:44:32,372 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:44:32,374 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:44:32,374 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:44:32,375 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:44:32,375 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:44:32,376 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:44:32,376 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:44:32,376 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:44:32,377 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:44:32,377 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:44:32,378 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:44:32,378 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:44:32,379 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:44:32,379 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:44:32,379 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:44:32,380 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:44:32,380 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:44:32,381 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:44:32,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:44:32,383 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:44:32,383 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:44:32,383 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:44:32,383 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:44:32,384 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:44:32,384 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:44:32,384 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:44:32,384 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:44:32,385 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_a23ab8b2-640f-4b9d-ac48-b0845a6cec91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23ab8b2-640f-4b9d-ac48-b0845a6cec91/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7349305eeae716fa3a7c11218caa894d6e5121d77db0055a98af7bd7c666586 [2023-11-21 18:44:32,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:44:32,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:44:32,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:44:32,837 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:44:32,837 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:44:32,839 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23ab8b2-640f-4b9d-ac48-b0845a6cec91/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread-wmm/mix018.opt.i [2023-11-21 18:44:36,111 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:44:36,551 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:44:36,552 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23ab8b2-640f-4b9d-ac48-b0845a6cec91/sv-benchmarks/c/pthread-wmm/mix018.opt.i [2023-11-21 18:44:36,585 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23ab8b2-640f-4b9d-ac48-b0845a6cec91/bin/ukojak-verify-i0I2FZA1j2/data/d2c7656ba/e51913d25e0947cbbab2a8c1c6fa92f3/FLAGa40e7912c [2023-11-21 18:44:36,600 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23ab8b2-640f-4b9d-ac48-b0845a6cec91/bin/ukojak-verify-i0I2FZA1j2/data/d2c7656ba/e51913d25e0947cbbab2a8c1c6fa92f3 [2023-11-21 18:44:36,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:44:36,608 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:44:36,611 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:44:36,611 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:44:36,615 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:44:36,616 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:44:36" (1/1) ... [2023-11-21 18:44:36,618 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51dc180c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:36, skipping insertion in model container [2023-11-21 18:44:36,618 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:44:36" (1/1) ... [2023-11-21 18:44:36,682 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:44:37,089 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:44:37,121 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:44:37,199 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:44:37,244 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:44:37,244 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:44:37,252 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:44:37,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:37 WrapperNode [2023-11-21 18:44:37,253 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:44:37,254 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:44:37,255 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:44:37,255 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:44:37,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:37" (1/1) ... [2023-11-21 18:44:37,300 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:37" (1/1) ... [2023-11-21 18:44:37,352 INFO L138 Inliner]: procedures = 180, calls = 70, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 113 [2023-11-21 18:44:37,352 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:44:37,353 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:44:37,354 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:44:37,355 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:44:37,364 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:37" (1/1) ... [2023-11-21 18:44:37,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:37" (1/1) ... [2023-11-21 18:44:37,387 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:37" (1/1) ... [2023-11-21 18:44:37,387 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:37" (1/1) ... [2023-11-21 18:44:37,400 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:37" (1/1) ... [2023-11-21 18:44:37,418 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:37" (1/1) ... [2023-11-21 18:44:37,422 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:37" (1/1) ... [2023-11-21 18:44:37,425 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:37" (1/1) ... [2023-11-21 18:44:37,430 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:44:37,431 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:44:37,431 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:44:37,431 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:44:37,432 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:37" (1/1) ... [2023-11-21 18:44:37,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:44:37,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23ab8b2-640f-4b9d-ac48-b0845a6cec91/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:44:37,478 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23ab8b2-640f-4b9d-ac48-b0845a6cec91/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:44:37,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23ab8b2-640f-4b9d-ac48-b0845a6cec91/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:44:37,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:44:37,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:44:37,527 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:44:37,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:44:37,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:44:37,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:44:37,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:44:37,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:44:37,528 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-21 18:44:37,528 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-21 18:44:37,529 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-21 18:44:37,529 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-21 18:44:37,529 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-21 18:44:37,529 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-21 18:44:37,531 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-21 18:44:37,531 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-21 18:44:37,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:44:37,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:44:37,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:44:37,534 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 18:44:37,818 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:44:37,821 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:44:38,304 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:44:38,519 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: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd4~0 := 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-21 18:44:38,526 INFO L158 Benchmark]: Toolchain (without parser) took 1917.51ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 45.7MB in the beginning and 40.6MB in the end (delta: 5.1MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2023-11-21 18:44:38,527 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 71.3MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:44:38,528 INFO L158 Benchmark]: CACSL2BoogieTranslator took 642.91ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 45.5MB in the beginning and 66.6MB in the end (delta: -21.1MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2023-11-21 18:44:38,529 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.18ms. Allocated memory is still 100.7MB. Free memory was 66.6MB in the beginning and 64.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:44:38,530 INFO L158 Benchmark]: Boogie Preprocessor took 77.26ms. Allocated memory is still 100.7MB. Free memory was 64.1MB in the beginning and 61.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:44:38,531 INFO L158 Benchmark]: RCFGBuilder took 1093.36ms. Allocated memory is still 100.7MB. Free memory was 61.6MB in the beginning and 40.6MB in the end (delta: 21.0MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2023-11-21 18:44:38,540 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 71.3MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 642.91ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 45.5MB in the beginning and 66.6MB in the end (delta: -21.1MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.18ms. Allocated memory is still 100.7MB. Free memory was 66.6MB in the beginning and 64.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.26ms. Allocated memory is still 100.7MB. Free memory was 64.1MB in the beginning and 61.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1093.36ms. Allocated memory is still 100.7MB. Free memory was 61.6MB in the beginning and 40.6MB in the end (delta: 21.0MB). Peak memory consumption was 23.2MB. 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: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd4~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd4~0 := 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 18:44:38,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23ab8b2-640f-4b9d-ac48-b0845a6cec91/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: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd4~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?