./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix035.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cc0e09-a82e-446f-8531-44a099f513b0/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cc0e09-a82e-446f-8531-44a099f513b0/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cc0e09-a82e-446f-8531-44a099f513b0/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cc0e09-a82e-446f-8531-44a099f513b0/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix035.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cc0e09-a82e-446f-8531-44a099f513b0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cc0e09-a82e-446f-8531-44a099f513b0/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 65062a4b0d520b12bcf8d6a9b80d96fd04b54c0c91d2bd97d502a34cc77f9c59 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:03:43,761 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:03:43,862 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cc0e09-a82e-446f-8531-44a099f513b0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 04:03:43,867 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:03:43,868 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:03:43,897 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:03:43,898 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:03:43,898 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:03:43,899 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:03:43,900 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:03:43,900 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:03:43,901 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:03:43,902 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:03:43,902 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:03:43,903 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:03:43,903 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:03:43,904 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:03:43,904 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:03:43,905 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:03:43,905 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:03:43,906 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:03:43,911 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:03:43,912 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:03:43,912 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:03:43,913 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:03:43,913 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:03:43,913 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:03:43,914 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:03:43,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:03:43,915 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:03:43,915 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:03:43,915 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:03:43,916 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:03:43,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:03:43,917 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:03:43,917 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_48cc0e09-a82e-446f-8531-44a099f513b0/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cc0e09-a82e-446f-8531-44a099f513b0/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65062a4b0d520b12bcf8d6a9b80d96fd04b54c0c91d2bd97d502a34cc77f9c59 [2023-11-19 04:03:44,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:03:44,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:03:44,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:03:44,347 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:03:44,348 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:03:44,350 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cc0e09-a82e-446f-8531-44a099f513b0/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-wmm/mix035.oepc.i [2023-11-19 04:03:47,577 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:03:47,918 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:03:47,918 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cc0e09-a82e-446f-8531-44a099f513b0/sv-benchmarks/c/pthread-wmm/mix035.oepc.i [2023-11-19 04:03:47,946 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cc0e09-a82e-446f-8531-44a099f513b0/bin/ukojak-verify-G8NBE6pJGL/data/22768dfe1/f9f5cfa52240463aad34786897fc33a8/FLAG570ec9fdf [2023-11-19 04:03:47,963 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cc0e09-a82e-446f-8531-44a099f513b0/bin/ukojak-verify-G8NBE6pJGL/data/22768dfe1/f9f5cfa52240463aad34786897fc33a8 [2023-11-19 04:03:47,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:03:47,968 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:03:47,969 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:03:47,970 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:03:47,978 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:03:47,979 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:03:47" (1/1) ... [2023-11-19 04:03:47,981 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6db39f06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:47, skipping insertion in model container [2023-11-19 04:03:47,981 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:03:47" (1/1) ... [2023-11-19 04:03:48,037 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:03:48,435 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:03:48,448 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:03:48,513 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:03:48,563 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:03:48,563 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:03:48,571 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:03:48,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:48 WrapperNode [2023-11-19 04:03:48,572 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:03:48,574 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:03:48,574 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:03:48,575 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:03:48,584 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:48" (1/1) ... [2023-11-19 04:03:48,663 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:48" (1/1) ... [2023-11-19 04:03:48,739 INFO L138 Inliner]: procedures = 176, calls = 59, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 99 [2023-11-19 04:03:48,740 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:03:48,741 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:03:48,741 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:03:48,741 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:03:48,752 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:48" (1/1) ... [2023-11-19 04:03:48,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:48" (1/1) ... [2023-11-19 04:03:48,769 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:48" (1/1) ... [2023-11-19 04:03:48,771 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:48" (1/1) ... [2023-11-19 04:03:48,785 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:48" (1/1) ... [2023-11-19 04:03:48,797 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:48" (1/1) ... [2023-11-19 04:03:48,800 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:48" (1/1) ... [2023-11-19 04:03:48,808 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:48" (1/1) ... [2023-11-19 04:03:48,812 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:03:48,816 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:03:48,817 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:03:48,820 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:03:48,821 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:48" (1/1) ... [2023-11-19 04:03:48,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:03:48,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cc0e09-a82e-446f-8531-44a099f513b0/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:03:48,853 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cc0e09-a82e-446f-8531-44a099f513b0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:03:48,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cc0e09-a82e-446f-8531-44a099f513b0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:03:48,901 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:03:48,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:03:48,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:03:48,901 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 04:03:48,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:03:48,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:03:48,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:03:48,903 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 04:03:48,904 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 04:03:48,904 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 04:03:48,904 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 04:03:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-19 04:03:48,905 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-19 04:03:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:03:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 04:03:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:03:48,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:03:48,908 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 04:03:49,078 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:03:49,079 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:03:49,493 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:03:49,694 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:03:49,695 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:03:49,697 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$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 04:03:49,702 INFO L158 Benchmark]: Toolchain (without parser) took 1733.18ms. Allocated memory is still 157.3MB. Free memory was 112.9MB in the beginning and 87.1MB in the end (delta: 25.7MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2023-11-19 04:03:49,702 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 100.7MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:03:49,703 INFO L158 Benchmark]: CACSL2BoogieTranslator took 603.80ms. Allocated memory is still 157.3MB. Free memory was 112.9MB in the beginning and 89.5MB in the end (delta: 23.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 04:03:49,704 INFO L158 Benchmark]: Boogie Procedure Inliner took 166.19ms. Allocated memory is still 157.3MB. Free memory was 89.5MB in the beginning and 127.7MB in the end (delta: -38.2MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2023-11-19 04:03:49,705 INFO L158 Benchmark]: Boogie Preprocessor took 74.77ms. Allocated memory is still 157.3MB. Free memory was 127.7MB in the beginning and 125.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:03:49,706 INFO L158 Benchmark]: RCFGBuilder took 883.56ms. Allocated memory is still 157.3MB. Free memory was 125.6MB in the beginning and 87.1MB in the end (delta: 38.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-19 04:03:49,709 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 100.7MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 603.80ms. Allocated memory is still 157.3MB. Free memory was 112.9MB in the beginning and 89.5MB in the end (delta: 23.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 166.19ms. Allocated memory is still 157.3MB. Free memory was 89.5MB in the beginning and 127.7MB in the end (delta: -38.2MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.77ms. Allocated memory is still 157.3MB. Free memory was 127.7MB in the beginning and 125.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 883.56ms. Allocated memory is still 157.3MB. Free memory was 125.6MB in the beginning and 87.1MB in the end (delta: 38.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~a$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:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 04:03:49,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cc0e09-a82e-446f-8531-44a099f513b0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cc0e09-a82e-446f-8531-44a099f513b0/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cc0e09-a82e-446f-8531-44a099f513b0/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cc0e09-a82e-446f-8531-44a099f513b0/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cc0e09-a82e-446f-8531-44a099f513b0/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix035.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cc0e09-a82e-446f-8531-44a099f513b0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cc0e09-a82e-446f-8531-44a099f513b0/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 65062a4b0d520b12bcf8d6a9b80d96fd04b54c0c91d2bd97d502a34cc77f9c59 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:03:52,547 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:03:52,695 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cc0e09-a82e-446f-8531-44a099f513b0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 04:03:52,748 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:03:52,749 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:03:52,750 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:03:52,751 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:03:52,752 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:03:52,753 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:03:52,758 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:03:52,758 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:03:52,759 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:03:52,759 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:03:52,761 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:03:52,762 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:03:52,762 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:03:52,763 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:03:52,763 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:03:52,764 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:03:52,765 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:03:52,765 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:03:52,766 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:03:52,766 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:03:52,767 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:03:52,767 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:03:52,768 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:03:52,768 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:03:52,768 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:03:52,769 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:03:52,769 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:03:52,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:03:52,771 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:03:52,771 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:03:52,772 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:03:52,772 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:03:52,772 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:03:52,772 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:03:52,773 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:03:52,773 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:03:52,774 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_48cc0e09-a82e-446f-8531-44a099f513b0/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cc0e09-a82e-446f-8531-44a099f513b0/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65062a4b0d520b12bcf8d6a9b80d96fd04b54c0c91d2bd97d502a34cc77f9c59 [2023-11-19 04:03:53,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:03:53,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:03:53,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:03:53,229 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:03:53,230 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:03:53,231 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cc0e09-a82e-446f-8531-44a099f513b0/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-wmm/mix035.oepc.i [2023-11-19 04:03:56,325 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:03:56,695 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:03:56,696 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cc0e09-a82e-446f-8531-44a099f513b0/sv-benchmarks/c/pthread-wmm/mix035.oepc.i [2023-11-19 04:03:56,717 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cc0e09-a82e-446f-8531-44a099f513b0/bin/ukojak-verify-G8NBE6pJGL/data/31deb62ac/8a94ae883ad14959910bbeadbb6fb1b8/FLAGe4a1710c8 [2023-11-19 04:03:56,739 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cc0e09-a82e-446f-8531-44a099f513b0/bin/ukojak-verify-G8NBE6pJGL/data/31deb62ac/8a94ae883ad14959910bbeadbb6fb1b8 [2023-11-19 04:03:56,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:03:56,750 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:03:56,754 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:03:56,755 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:03:56,760 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:03:56,761 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:03:56" (1/1) ... [2023-11-19 04:03:56,762 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3831ddca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:56, skipping insertion in model container [2023-11-19 04:03:56,763 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:03:56" (1/1) ... [2023-11-19 04:03:56,814 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:03:57,297 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:03:57,342 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:03:57,443 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:03:57,490 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:03:57,490 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:03:57,499 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:03:57,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:57 WrapperNode [2023-11-19 04:03:57,499 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:03:57,500 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:03:57,501 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:03:57,501 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:03:57,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:57" (1/1) ... [2023-11-19 04:03:57,535 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:57" (1/1) ... [2023-11-19 04:03:57,568 INFO L138 Inliner]: procedures = 179, calls = 59, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 100 [2023-11-19 04:03:57,569 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:03:57,570 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:03:57,570 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:03:57,571 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:03:57,581 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:57" (1/1) ... [2023-11-19 04:03:57,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:57" (1/1) ... [2023-11-19 04:03:57,588 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:57" (1/1) ... [2023-11-19 04:03:57,588 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:57" (1/1) ... [2023-11-19 04:03:57,607 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:57" (1/1) ... [2023-11-19 04:03:57,610 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:57" (1/1) ... [2023-11-19 04:03:57,614 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:57" (1/1) ... [2023-11-19 04:03:57,617 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:57" (1/1) ... [2023-11-19 04:03:57,633 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:03:57,634 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:03:57,635 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:03:57,635 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:03:57,636 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:03:57" (1/1) ... [2023-11-19 04:03:57,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:03:57,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cc0e09-a82e-446f-8531-44a099f513b0/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:03:57,678 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cc0e09-a82e-446f-8531-44a099f513b0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:03:57,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cc0e09-a82e-446f-8531-44a099f513b0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:03:57,738 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:03:57,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:03:57,739 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 04:03:57,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:03:57,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:03:57,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:03:57,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:03:57,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:03:57,740 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 04:03:57,740 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 04:03:57,741 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 04:03:57,741 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 04:03:57,741 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-19 04:03:57,741 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-19 04:03:57,743 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 04:03:57,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:03:57,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:03:57,746 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 04:03:57,937 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:03:57,940 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:03:58,494 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:03:58,743 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:03:58,744 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:03:58,746 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$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 04:03:58,755 INFO L158 Benchmark]: Toolchain (without parser) took 2002.52ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 43.4MB in the beginning and 40.6MB in the end (delta: 2.7MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2023-11-19 04:03:58,756 INFO L158 Benchmark]: CDTParser took 1.22ms. Allocated memory is still 69.2MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:03:58,757 INFO L158 Benchmark]: CACSL2BoogieTranslator took 746.14ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 43.2MB in the beginning and 54.2MB in the end (delta: -11.0MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2023-11-19 04:03:58,757 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.98ms. Allocated memory is still 86.0MB. Free memory was 54.2MB in the beginning and 52.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:03:58,759 INFO L158 Benchmark]: Boogie Preprocessor took 63.51ms. Allocated memory is still 86.0MB. Free memory was 52.1MB in the beginning and 49.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:03:58,760 INFO L158 Benchmark]: RCFGBuilder took 1116.93ms. Allocated memory is still 86.0MB. Free memory was 49.4MB in the beginning and 40.6MB in the end (delta: 8.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 04:03:58,770 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.22ms. Allocated memory is still 69.2MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 746.14ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 43.2MB in the beginning and 54.2MB in the end (delta: -11.0MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.98ms. Allocated memory is still 86.0MB. Free memory was 54.2MB in the beginning and 52.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.51ms. Allocated memory is still 86.0MB. Free memory was 52.1MB in the beginning and 49.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1116.93ms. Allocated memory is still 86.0MB. Free memory was 49.4MB in the beginning and 40.6MB in the end (delta: 8.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~a$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$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 04:03:58,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48cc0e09-a82e-446f-8531-44a099f513b0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~a$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?