./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix038_tso.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_e55c9e5c-2cbc-44b3-87f6-98844f4d3136/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c9e5c-2cbc-44b3-87f6-98844f4d3136/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_e55c9e5c-2cbc-44b3-87f6-98844f4d3136/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c9e5c-2cbc-44b3-87f6-98844f4d3136/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix038_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c9e5c-2cbc-44b3-87f6-98844f4d3136/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_e55c9e5c-2cbc-44b3-87f6-98844f4d3136/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 b1e6ad0aca14cacb1f3fe02bd616009a97ed12a62626693737be4e470d14e12e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:19:00,768 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:19:00,850 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c9e5c-2cbc-44b3-87f6-98844f4d3136/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:19:00,855 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:19:00,856 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:19:00,882 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:19:00,884 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:19:00,884 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:19:00,885 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:19:00,886 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:19:00,887 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:19:00,888 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:19:00,888 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:19:00,889 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:19:00,890 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:19:00,890 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:19:00,891 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:19:00,892 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:19:00,893 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:19:00,893 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:19:00,894 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:19:00,895 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:19:00,896 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:19:00,897 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:19:00,897 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:19:00,898 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:19:00,899 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:19:00,899 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:19:00,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:19:00,901 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:19:00,901 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:19:00,902 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:19:00,903 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:19:00,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:19:00,904 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:19:00,904 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_e55c9e5c-2cbc-44b3-87f6-98844f4d3136/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c9e5c-2cbc-44b3-87f6-98844f4d3136/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1e6ad0aca14cacb1f3fe02bd616009a97ed12a62626693737be4e470d14e12e [2023-11-19 03:19:01,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:19:01,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:19:01,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:19:01,228 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:19:01,229 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:19:01,231 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c9e5c-2cbc-44b3-87f6-98844f4d3136/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-wmm/mix038_tso.oepc.i [2023-11-19 03:19:04,451 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:19:04,769 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:19:04,770 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c9e5c-2cbc-44b3-87f6-98844f4d3136/sv-benchmarks/c/pthread-wmm/mix038_tso.oepc.i [2023-11-19 03:19:04,791 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c9e5c-2cbc-44b3-87f6-98844f4d3136/bin/ukojak-verify-G8NBE6pJGL/data/e3b134cdd/07ae64cb06f54653a2a5b95deea00194/FLAG055400763 [2023-11-19 03:19:04,807 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c9e5c-2cbc-44b3-87f6-98844f4d3136/bin/ukojak-verify-G8NBE6pJGL/data/e3b134cdd/07ae64cb06f54653a2a5b95deea00194 [2023-11-19 03:19:04,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:19:04,811 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:19:04,813 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:19:04,813 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:19:04,819 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:19:04,820 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:19:04" (1/1) ... [2023-11-19 03:19:04,821 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7430deda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:04, skipping insertion in model container [2023-11-19 03:19:04,821 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:19:04" (1/1) ... [2023-11-19 03:19:04,905 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:19:05,415 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:19:05,429 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:19:05,529 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:19:05,580 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:19:05,581 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:19:05,589 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:19:05,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:05 WrapperNode [2023-11-19 03:19:05,590 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:19:05,592 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:19:05,592 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:19:05,592 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:19:05,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:05" (1/1) ... [2023-11-19 03:19:05,644 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:05" (1/1) ... [2023-11-19 03:19:05,693 INFO L138 Inliner]: procedures = 176, calls = 59, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 115 [2023-11-19 03:19:05,694 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:19:05,696 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:19:05,696 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:19:05,696 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:19:05,707 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:05" (1/1) ... [2023-11-19 03:19:05,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:05" (1/1) ... [2023-11-19 03:19:05,722 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:05" (1/1) ... [2023-11-19 03:19:05,733 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:05" (1/1) ... [2023-11-19 03:19:05,742 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:05" (1/1) ... [2023-11-19 03:19:05,757 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:05" (1/1) ... [2023-11-19 03:19:05,760 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:05" (1/1) ... [2023-11-19 03:19:05,762 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:05" (1/1) ... [2023-11-19 03:19:05,766 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:19:05,778 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:19:05,779 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:19:05,779 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:19:05,780 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:05" (1/1) ... [2023-11-19 03:19:05,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:19:05,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c9e5c-2cbc-44b3-87f6-98844f4d3136/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:19:05,816 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c9e5c-2cbc-44b3-87f6-98844f4d3136/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:19:05,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c9e5c-2cbc-44b3-87f6-98844f4d3136/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:19:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:19:05,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:19:05,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:19:05,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:19:05,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:19:05,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:19:05,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:19:05,870 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 03:19:05,870 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 03:19:05,871 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 03:19:05,871 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 03:19:05,871 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-19 03:19:05,871 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-19 03:19:05,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:19:05,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:19:05,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:19:05,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:19:05,874 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 03:19:06,095 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:19:06,098 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:19:06,505 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:19:06,762 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:19:06,770 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:19:06,772 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: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 03:19:06,781 INFO L158 Benchmark]: Toolchain (without parser) took 1968.45ms. Allocated memory is still 157.3MB. Free memory was 115.9MB in the beginning and 111.6MB in the end (delta: 4.3MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2023-11-19 03:19:06,781 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 100.7MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:19:06,782 INFO L158 Benchmark]: CACSL2BoogieTranslator took 777.86ms. Allocated memory is still 157.3MB. Free memory was 115.9MB in the beginning and 92.3MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 03:19:06,784 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.51ms. Allocated memory is still 157.3MB. Free memory was 92.3MB in the beginning and 89.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:19:06,785 INFO L158 Benchmark]: Boogie Preprocessor took 81.75ms. Allocated memory is still 157.3MB. Free memory was 89.7MB in the beginning and 87.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:19:06,786 INFO L158 Benchmark]: RCFGBuilder took 1000.47ms. Allocated memory is still 157.3MB. Free memory was 87.6MB in the beginning and 111.6MB in the end (delta: -24.0MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2023-11-19 03:19:06,791 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 100.7MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 777.86ms. Allocated memory is still 157.3MB. Free memory was 115.9MB in the beginning and 92.3MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.51ms. Allocated memory is still 157.3MB. Free memory was 92.3MB in the beginning and 89.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.75ms. Allocated memory is still 157.3MB. Free memory was 89.7MB in the beginning and 87.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1000.47ms. Allocated memory is still 157.3MB. Free memory was 87.6MB in the beginning and 111.6MB in the end (delta: -24.0MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$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 03:19:06,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c9e5c-2cbc-44b3-87f6-98844f4d3136/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_e55c9e5c-2cbc-44b3-87f6-98844f4d3136/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c9e5c-2cbc-44b3-87f6-98844f4d3136/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_e55c9e5c-2cbc-44b3-87f6-98844f4d3136/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c9e5c-2cbc-44b3-87f6-98844f4d3136/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix038_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c9e5c-2cbc-44b3-87f6-98844f4d3136/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_e55c9e5c-2cbc-44b3-87f6-98844f4d3136/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 b1e6ad0aca14cacb1f3fe02bd616009a97ed12a62626693737be4e470d14e12e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:19:09,588 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:19:09,735 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c9e5c-2cbc-44b3-87f6-98844f4d3136/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 03:19:09,792 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:19:09,793 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:19:09,794 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:19:09,795 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:19:09,796 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:19:09,797 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:19:09,802 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:19:09,803 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:19:09,804 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:19:09,804 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:19:09,806 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:19:09,806 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:19:09,807 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:19:09,807 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:19:09,808 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:19:09,808 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:19:09,810 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:19:09,810 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:19:09,811 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:19:09,811 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:19:09,812 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:19:09,812 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:19:09,813 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:19:09,813 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:19:09,814 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:19:09,814 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:19:09,815 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:19:09,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:19:09,817 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:19:09,817 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:19:09,818 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:19:09,818 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:19:09,819 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:19:09,819 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:19:09,819 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:19:09,820 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:19:09,821 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_e55c9e5c-2cbc-44b3-87f6-98844f4d3136/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c9e5c-2cbc-44b3-87f6-98844f4d3136/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1e6ad0aca14cacb1f3fe02bd616009a97ed12a62626693737be4e470d14e12e [2023-11-19 03:19:10,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:19:10,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:19:10,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:19:10,305 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:19:10,306 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:19:10,307 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c9e5c-2cbc-44b3-87f6-98844f4d3136/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-wmm/mix038_tso.oepc.i [2023-11-19 03:19:13,480 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:19:13,796 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:19:13,796 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c9e5c-2cbc-44b3-87f6-98844f4d3136/sv-benchmarks/c/pthread-wmm/mix038_tso.oepc.i [2023-11-19 03:19:13,826 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c9e5c-2cbc-44b3-87f6-98844f4d3136/bin/ukojak-verify-G8NBE6pJGL/data/3d2a22898/f022254eeb614da39fa47a177b261fb7/FLAGff4b91689 [2023-11-19 03:19:13,841 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c9e5c-2cbc-44b3-87f6-98844f4d3136/bin/ukojak-verify-G8NBE6pJGL/data/3d2a22898/f022254eeb614da39fa47a177b261fb7 [2023-11-19 03:19:13,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:19:13,846 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:19:13,848 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:19:13,848 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:19:13,854 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:19:13,854 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:19:13" (1/1) ... [2023-11-19 03:19:13,856 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2874e9cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:13, skipping insertion in model container [2023-11-19 03:19:13,856 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:19:13" (1/1) ... [2023-11-19 03:19:13,914 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:19:14,505 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:19:14,533 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:19:14,620 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:19:14,681 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:19:14,682 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:19:14,690 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:19:14,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:14 WrapperNode [2023-11-19 03:19:14,690 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:19:14,692 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:19:14,692 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:19:14,692 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:19:14,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:14" (1/1) ... [2023-11-19 03:19:14,755 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:14" (1/1) ... [2023-11-19 03:19:14,798 INFO L138 Inliner]: procedures = 179, calls = 59, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 116 [2023-11-19 03:19:14,799 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:19:14,800 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:19:14,801 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:19:14,802 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:19:14,812 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:14" (1/1) ... [2023-11-19 03:19:14,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:14" (1/1) ... [2023-11-19 03:19:14,833 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:14" (1/1) ... [2023-11-19 03:19:14,833 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:14" (1/1) ... [2023-11-19 03:19:14,846 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:14" (1/1) ... [2023-11-19 03:19:14,861 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:14" (1/1) ... [2023-11-19 03:19:14,865 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:14" (1/1) ... [2023-11-19 03:19:14,878 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:14" (1/1) ... [2023-11-19 03:19:14,883 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:19:14,884 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:19:14,884 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:19:14,884 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:19:14,885 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:14" (1/1) ... [2023-11-19 03:19:14,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:19:14,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c9e5c-2cbc-44b3-87f6-98844f4d3136/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:19:14,934 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c9e5c-2cbc-44b3-87f6-98844f4d3136/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:19:14,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c9e5c-2cbc-44b3-87f6-98844f4d3136/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:19:14,983 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:19:14,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:19:14,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:19:14,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:19:14,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:19:14,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:19:14,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:19:14,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:19:14,985 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 03:19:14,985 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 03:19:14,986 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 03:19:14,986 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 03:19:14,986 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-19 03:19:14,986 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-19 03:19:14,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:19:14,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:19:14,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:19:14,990 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 03:19:15,202 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:19:15,205 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:19:15,557 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:19:15,794 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:19:15,795 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:19:15,797 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: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2bv32;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 03:19:15,805 INFO L158 Benchmark]: Toolchain (without parser) took 1956.70ms. Allocated memory is still 92.3MB. Free memory was 66.6MB in the beginning and 47.0MB in the end (delta: 19.7MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. [2023-11-19 03:19:15,806 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 67.1MB. Free memory was 42.6MB in the beginning and 42.5MB in the end (delta: 98.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:19:15,807 INFO L158 Benchmark]: CACSL2BoogieTranslator took 843.17ms. Allocated memory is still 92.3MB. Free memory was 66.4MB in the beginning and 62.4MB in the end (delta: 4.1MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2023-11-19 03:19:15,807 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.98ms. Allocated memory is still 92.3MB. Free memory was 62.4MB in the beginning and 59.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:19:15,808 INFO L158 Benchmark]: Boogie Preprocessor took 82.61ms. Allocated memory is still 92.3MB. Free memory was 59.7MB in the beginning and 57.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:19:15,809 INFO L158 Benchmark]: RCFGBuilder took 918.14ms. Allocated memory is still 92.3MB. Free memory was 57.1MB in the beginning and 47.0MB in the end (delta: 10.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 03:19:15,818 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 67.1MB. Free memory was 42.6MB in the beginning and 42.5MB in the end (delta: 98.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 843.17ms. Allocated memory is still 92.3MB. Free memory was 66.4MB in the beginning and 62.4MB in the end (delta: 4.1MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.98ms. Allocated memory is still 92.3MB. Free memory was 62.4MB in the beginning and 59.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.61ms. Allocated memory is still 92.3MB. Free memory was 59.7MB in the beginning and 57.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 918.14ms. Allocated memory is still 92.3MB. Free memory was 57.1MB in the beginning and 47.0MB in the end (delta: 10.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2bv32;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2bv32;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:19:15,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55c9e5c-2cbc-44b3-87f6-98844f4d3136/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 2bv32;~x$w_buff1_used~0 := ~x$w_buff0_used~0;~x$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?