./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix015.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_52513c85-7e3b-410c-8fe4-2e78be81dd2c/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52513c85-7e3b-410c-8fe4-2e78be81dd2c/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52513c85-7e3b-410c-8fe4-2e78be81dd2c/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52513c85-7e3b-410c-8fe4-2e78be81dd2c/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix015.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52513c85-7e3b-410c-8fe4-2e78be81dd2c/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52513c85-7e3b-410c-8fe4-2e78be81dd2c/bin/ukojak-verify-1t5iHCbJaC --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 951d1f5e5395236f7d0da1ed6dd6f4a1398d1a8ad75d935345731aeb4389e0e8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:18:21,582 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:18:21,659 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52513c85-7e3b-410c-8fe4-2e78be81dd2c/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:18:21,665 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:18:21,666 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:18:21,694 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:18:21,695 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:18:21,696 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:18:21,697 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:18:21,698 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:18:21,699 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:18:21,699 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:18:21,700 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:18:21,701 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:18:21,702 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:18:21,702 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:18:21,703 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:18:21,704 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:18:21,705 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:18:21,705 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:18:21,706 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:18:21,707 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:18:21,708 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:18:21,708 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:18:21,709 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:18:21,709 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:18:21,710 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:18:21,711 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:18:21,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:18:21,712 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:18:21,713 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:18:21,713 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:18:21,714 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:18:21,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:18:21,715 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:18:21,716 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_52513c85-7e3b-410c-8fe4-2e78be81dd2c/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52513c85-7e3b-410c-8fe4-2e78be81dd2c/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 951d1f5e5395236f7d0da1ed6dd6f4a1398d1a8ad75d935345731aeb4389e0e8 [2023-11-23 20:18:22,018 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:18:22,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:18:22,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:18:22,053 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:18:22,053 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:18:22,055 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52513c85-7e3b-410c-8fe4-2e78be81dd2c/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread-wmm/mix015.oepc.i [2023-11-23 20:18:25,318 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:18:25,628 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:18:25,629 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52513c85-7e3b-410c-8fe4-2e78be81dd2c/sv-benchmarks/c/pthread-wmm/mix015.oepc.i [2023-11-23 20:18:25,653 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52513c85-7e3b-410c-8fe4-2e78be81dd2c/bin/ukojak-verify-1t5iHCbJaC/data/1666654c3/bd2bc0d423e14f4980ce3587cbe12605/FLAG4238c4264 [2023-11-23 20:18:25,669 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52513c85-7e3b-410c-8fe4-2e78be81dd2c/bin/ukojak-verify-1t5iHCbJaC/data/1666654c3/bd2bc0d423e14f4980ce3587cbe12605 [2023-11-23 20:18:25,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:18:25,674 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:18:25,676 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:18:25,676 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:18:25,682 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:18:25,684 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:18:25" (1/1) ... [2023-11-23 20:18:25,693 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@131392d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:25, skipping insertion in model container [2023-11-23 20:18:25,693 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:18:25" (1/1) ... [2023-11-23 20:18:25,771 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:18:26,260 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:18:26,273 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:18:26,349 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:18:26,395 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:18:26,395 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:18:26,401 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:18:26,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:26 WrapperNode [2023-11-23 20:18:26,402 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:18:26,403 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:18:26,404 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:18:26,404 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:18:26,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:26" (1/1) ... [2023-11-23 20:18:26,431 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:26" (1/1) ... [2023-11-23 20:18:26,458 INFO L138 Inliner]: procedures = 176, calls = 61, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 100 [2023-11-23 20:18:26,459 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:18:26,460 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:18:26,460 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:18:26,460 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:18:26,471 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:26" (1/1) ... [2023-11-23 20:18:26,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:26" (1/1) ... [2023-11-23 20:18:26,476 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:26" (1/1) ... [2023-11-23 20:18:26,476 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:26" (1/1) ... [2023-11-23 20:18:26,490 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:26" (1/1) ... [2023-11-23 20:18:26,495 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:26" (1/1) ... [2023-11-23 20:18:26,498 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:26" (1/1) ... [2023-11-23 20:18:26,510 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:26" (1/1) ... [2023-11-23 20:18:26,514 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:18:26,515 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:18:26,516 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:18:26,516 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:18:26,517 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:26" (1/1) ... [2023-11-23 20:18:26,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:18:26,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52513c85-7e3b-410c-8fe4-2e78be81dd2c/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:18:26,563 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52513c85-7e3b-410c-8fe4-2e78be81dd2c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:18:26,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52513c85-7e3b-410c-8fe4-2e78be81dd2c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:18:26,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:18:26,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:18:26,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:18:26,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:18:26,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:18:26,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:18:26,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:18:26,641 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-23 20:18:26,641 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-23 20:18:26,641 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-23 20:18:26,641 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-23 20:18:26,642 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-23 20:18:26,643 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-23 20:18:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:18:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:18:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:18:26,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:18:26,671 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:18:26,875 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:18:26,878 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:18:27,326 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:18:27,549 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~a$w_buff1~0 := ~a$w_buff0~0;~a$w_buff0~0 := 1;~a$w_buff1_used~0 := ~a$w_buff0_used~0;~a$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-23 20:18:27,555 INFO L158 Benchmark]: Toolchain (without parser) took 1879.38ms. Allocated memory was 121.6MB in the beginning and 178.3MB in the end (delta: 56.6MB). Free memory was 75.1MB in the beginning and 116.2MB in the end (delta: -41.1MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2023-11-23 20:18:27,555 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 91.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:18:27,556 INFO L158 Benchmark]: CACSL2BoogieTranslator took 726.69ms. Allocated memory is still 121.6MB. Free memory was 74.7MB in the beginning and 50.8MB in the end (delta: 23.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-23 20:18:27,557 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.58ms. Allocated memory is still 121.6MB. Free memory was 50.8MB in the beginning and 48.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:18:27,558 INFO L158 Benchmark]: Boogie Preprocessor took 55.12ms. Allocated memory is still 121.6MB. Free memory was 48.7MB in the beginning and 46.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:18:27,559 INFO L158 Benchmark]: RCFGBuilder took 1037.08ms. Allocated memory was 121.6MB in the beginning and 178.3MB in the end (delta: 56.6MB). Free memory was 46.6MB in the beginning and 116.2MB in the end (delta: -69.6MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2023-11-23 20:18:27,563 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 91.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 726.69ms. Allocated memory is still 121.6MB. Free memory was 74.7MB in the beginning and 50.8MB in the end (delta: 23.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.58ms. Allocated memory is still 121.6MB. Free memory was 50.8MB in the beginning and 48.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.12ms. Allocated memory is still 121.6MB. Free memory was 48.7MB in the beginning and 46.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1037.08ms. Allocated memory was 121.6MB in the beginning and 178.3MB in the end (delta: 56.6MB). Free memory was 46.6MB in the beginning and 116.2MB in the end (delta: -69.6MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~a$w_buff1~0 := ~a$w_buff0~0;~a$w_buff0~0 := 1;~a$w_buff1_used~0 := ~a$w_buff0_used~0;~a$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~a$w_buff1~0 := ~a$w_buff0~0;~a$w_buff0~0 := 1;~a$w_buff1_used~0 := ~a$w_buff0_used~0;~a$w_buff0_used~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:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:18:27,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52513c85-7e3b-410c-8fe4-2e78be81dd2c/bin/ukojak-verify-1t5iHCbJaC/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52513c85-7e3b-410c-8fe4-2e78be81dd2c/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52513c85-7e3b-410c-8fe4-2e78be81dd2c/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52513c85-7e3b-410c-8fe4-2e78be81dd2c/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52513c85-7e3b-410c-8fe4-2e78be81dd2c/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix015.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52513c85-7e3b-410c-8fe4-2e78be81dd2c/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52513c85-7e3b-410c-8fe4-2e78be81dd2c/bin/ukojak-verify-1t5iHCbJaC --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 951d1f5e5395236f7d0da1ed6dd6f4a1398d1a8ad75d935345731aeb4389e0e8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:18:30,336 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:18:30,460 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52513c85-7e3b-410c-8fe4-2e78be81dd2c/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 20:18:30,507 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:18:30,509 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:18:30,510 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:18:30,510 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:18:30,511 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:18:30,512 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:18:30,519 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:18:30,520 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:18:30,520 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:18:30,521 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:18:30,523 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:18:30,523 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:18:30,524 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:18:30,524 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:18:30,525 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:18:30,525 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:18:30,526 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:18:30,526 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:18:30,527 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:18:30,527 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:18:30,528 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:18:30,528 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:18:30,529 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:18:30,529 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:18:30,529 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:18:30,530 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:18:30,530 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:18:30,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:18:30,532 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:18:30,533 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:18:30,533 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:18:30,533 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:18:30,534 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:18:30,534 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:18:30,534 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:18:30,535 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:18:30,536 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_52513c85-7e3b-410c-8fe4-2e78be81dd2c/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52513c85-7e3b-410c-8fe4-2e78be81dd2c/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 951d1f5e5395236f7d0da1ed6dd6f4a1398d1a8ad75d935345731aeb4389e0e8 [2023-11-23 20:18:30,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:18:30,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:18:30,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:18:30,964 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:18:30,965 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:18:30,967 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52513c85-7e3b-410c-8fe4-2e78be81dd2c/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread-wmm/mix015.oepc.i [2023-11-23 20:18:34,256 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:18:34,680 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:18:34,681 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52513c85-7e3b-410c-8fe4-2e78be81dd2c/sv-benchmarks/c/pthread-wmm/mix015.oepc.i [2023-11-23 20:18:34,716 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52513c85-7e3b-410c-8fe4-2e78be81dd2c/bin/ukojak-verify-1t5iHCbJaC/data/f725686c5/8e6d4d72f4964c74a0587d5b16a8f4dc/FLAG70557159f [2023-11-23 20:18:34,743 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52513c85-7e3b-410c-8fe4-2e78be81dd2c/bin/ukojak-verify-1t5iHCbJaC/data/f725686c5/8e6d4d72f4964c74a0587d5b16a8f4dc [2023-11-23 20:18:34,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:18:34,754 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:18:34,758 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:18:34,758 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:18:34,765 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:18:34,766 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:18:34" (1/1) ... [2023-11-23 20:18:34,767 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62a66c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:34, skipping insertion in model container [2023-11-23 20:18:34,767 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:18:34" (1/1) ... [2023-11-23 20:18:34,834 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:18:35,512 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:18:35,573 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:18:35,682 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:18:35,766 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:18:35,766 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:18:35,776 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:18:35,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:35 WrapperNode [2023-11-23 20:18:35,777 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:18:35,779 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:18:35,780 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:18:35,780 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:18:35,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:35" (1/1) ... [2023-11-23 20:18:35,836 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:35" (1/1) ... [2023-11-23 20:18:35,895 INFO L138 Inliner]: procedures = 179, calls = 61, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 101 [2023-11-23 20:18:35,900 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:18:35,902 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:18:35,902 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:18:35,902 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:18:35,914 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:35" (1/1) ... [2023-11-23 20:18:35,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:35" (1/1) ... [2023-11-23 20:18:35,933 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:35" (1/1) ... [2023-11-23 20:18:35,941 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:35" (1/1) ... [2023-11-23 20:18:35,956 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:35" (1/1) ... [2023-11-23 20:18:35,974 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:35" (1/1) ... [2023-11-23 20:18:35,979 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:35" (1/1) ... [2023-11-23 20:18:35,996 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:35" (1/1) ... [2023-11-23 20:18:36,002 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:18:36,003 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:18:36,004 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:18:36,004 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:18:36,005 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:35" (1/1) ... [2023-11-23 20:18:36,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:18:36,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52513c85-7e3b-410c-8fe4-2e78be81dd2c/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:18:36,065 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52513c85-7e3b-410c-8fe4-2e78be81dd2c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:18:36,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52513c85-7e3b-410c-8fe4-2e78be81dd2c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:18:36,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:18:36,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:18:36,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:18:36,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:18:36,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:18:36,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:18:36,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:18:36,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:18:36,129 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-23 20:18:36,129 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-23 20:18:36,130 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-23 20:18:36,130 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-23 20:18:36,130 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-23 20:18:36,131 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-23 20:18:36,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:18:36,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:18:36,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:18:36,136 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:18:36,368 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:18:36,371 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:18:36,872 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:18:37,208 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~a$w_buff1~0 := ~a$w_buff0~0;~a$w_buff0~0 := 1bv32;~a$w_buff1_used~0 := ~a$w_buff0_used~0;~a$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-23 20:18:37,214 INFO L158 Benchmark]: Toolchain (without parser) took 2459.03ms. Allocated memory was 69.2MB in the beginning and 115.3MB in the end (delta: 46.1MB). Free memory was 44.3MB in the beginning and 84.6MB in the end (delta: -40.3MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2023-11-23 20:18:37,215 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 69.2MB. Free memory is still 45.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:18:37,216 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1020.13ms. Allocated memory was 69.2MB in the beginning and 115.3MB in the end (delta: 46.1MB). Free memory was 44.1MB in the beginning and 82.5MB in the end (delta: -38.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:18:37,217 INFO L158 Benchmark]: Boogie Procedure Inliner took 121.01ms. Allocated memory is still 115.3MB. Free memory was 81.8MB in the beginning and 79.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:18:37,218 INFO L158 Benchmark]: Boogie Preprocessor took 100.70ms. Allocated memory is still 115.3MB. Free memory was 79.7MB in the beginning and 77.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:18:37,219 INFO L158 Benchmark]: RCFGBuilder took 1208.35ms. Allocated memory is still 115.3MB. Free memory was 77.6MB in the beginning and 84.6MB in the end (delta: -7.1MB). Peak memory consumption was 44.6MB. Max. memory is 16.1GB. [2023-11-23 20:18:37,222 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 69.2MB. Free memory is still 45.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1020.13ms. Allocated memory was 69.2MB in the beginning and 115.3MB in the end (delta: 46.1MB). Free memory was 44.1MB in the beginning and 82.5MB in the end (delta: -38.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 121.01ms. Allocated memory is still 115.3MB. Free memory was 81.8MB in the beginning and 79.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.70ms. Allocated memory is still 115.3MB. Free memory was 79.7MB in the beginning and 77.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1208.35ms. Allocated memory is still 115.3MB. Free memory was 77.6MB in the beginning and 84.6MB in the end (delta: -7.1MB). Peak memory consumption was 44.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~a$w_buff1~0 := ~a$w_buff0~0;~a$w_buff0~0 := 1bv32;~a$w_buff1_used~0 := ~a$w_buff0_used~0;~a$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~a$w_buff1~0 := ~a$w_buff0~0;~a$w_buff0~0 := 1bv32;~a$w_buff1_used~0 := ~a$w_buff0_used~0;~a$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:18:37,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52513c85-7e3b-410c-8fe4-2e78be81dd2c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~a$w_buff1~0 := ~a$w_buff0~0;~a$w_buff0~0 := 1bv32;~a$w_buff1_used~0 := ~a$w_buff0_used~0;~a$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?