./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe028_power.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a542-0101-4e4b-8a64-697bab6c5266/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a542-0101-4e4b-8a64-697bab6c5266/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a542-0101-4e4b-8a64-697bab6c5266/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a542-0101-4e4b-8a64-697bab6c5266/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe028_power.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a542-0101-4e4b-8a64-697bab6c5266/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a542-0101-4e4b-8a64-697bab6c5266/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0d78821bc3a287b999f98be361d707254bd2fa61b63b525cf42d392168336d80 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:58:45,869 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:58:45,930 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a542-0101-4e4b-8a64-697bab6c5266/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:58:45,935 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:58:45,935 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:58:45,956 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:58:45,957 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:58:45,957 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:58:45,958 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:58:45,958 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:58:45,958 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:58:45,958 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:58:45,958 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:58:45,958 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:58:45,958 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:58:45,958 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:58:45,959 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:58:45,959 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:58:45,959 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:58:45,959 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:58:45,959 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:58:45,959 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:58:45,959 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:58:45,959 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:58:45,959 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:58:45,959 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:58:45,960 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:58:45,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:58:45,960 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:58:45,960 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:58:45,960 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:58:45,960 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:58:45,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:58:45,960 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_4c86a542-0101-4e4b-8a64-697bab6c5266/bin/ukojak-verify-CZk0znPC7b 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 ! call(reach_error())) ) 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 -> 0d78821bc3a287b999f98be361d707254bd2fa61b63b525cf42d392168336d80 [2024-12-06 03:58:46,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:58:46,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:58:46,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:58:46,241 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:58:46,241 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:58:46,242 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a542-0101-4e4b-8a64-697bab6c5266/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread-wmm/safe028_power.i [2024-12-06 03:58:48,901 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a542-0101-4e4b-8a64-697bab6c5266/bin/ukojak-verify-CZk0znPC7b/data/459bb81ba/b67f98c2bf8d4ca69e21c58425b37989/FLAG1abc883a8 [2024-12-06 03:58:49,146 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:58:49,147 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a542-0101-4e4b-8a64-697bab6c5266/sv-benchmarks/c/pthread-wmm/safe028_power.i [2024-12-06 03:58:49,160 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a542-0101-4e4b-8a64-697bab6c5266/bin/ukojak-verify-CZk0znPC7b/data/459bb81ba/b67f98c2bf8d4ca69e21c58425b37989/FLAG1abc883a8 [2024-12-06 03:58:49,175 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a542-0101-4e4b-8a64-697bab6c5266/bin/ukojak-verify-CZk0znPC7b/data/459bb81ba/b67f98c2bf8d4ca69e21c58425b37989 [2024-12-06 03:58:49,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:58:49,179 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:58:49,180 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:58:49,180 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:58:49,184 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:58:49,185 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:58:49" (1/1) ... [2024-12-06 03:58:49,186 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13fc5b12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:49, skipping insertion in model container [2024-12-06 03:58:49,186 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:58:49" (1/1) ... [2024-12-06 03:58:49,216 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:58:49,369 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a542-0101-4e4b-8a64-697bab6c5266/sv-benchmarks/c/pthread-wmm/safe028_power.i[990,1003] [2024-12-06 03:58:49,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:58:49,533 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:58:49,542 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a542-0101-4e4b-8a64-697bab6c5266/sv-benchmarks/c/pthread-wmm/safe028_power.i[990,1003] [2024-12-06 03:58:49,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:58:49,619 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:58:49,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:49 WrapperNode [2024-12-06 03:58:49,619 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:58:49,620 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:58:49,620 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:58:49,620 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:58:49,625 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:49" (1/1) ... [2024-12-06 03:58:49,638 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:49" (1/1) ... [2024-12-06 03:58:49,659 INFO L138 Inliner]: procedures = 175, calls = 65, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 119 [2024-12-06 03:58:49,659 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:58:49,660 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:58:49,660 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:58:49,660 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:58:49,665 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:49" (1/1) ... [2024-12-06 03:58:49,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:49" (1/1) ... [2024-12-06 03:58:49,669 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:49" (1/1) ... [2024-12-06 03:58:49,669 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:49" (1/1) ... [2024-12-06 03:58:49,677 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:49" (1/1) ... [2024-12-06 03:58:49,678 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:49" (1/1) ... [2024-12-06 03:58:49,680 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:49" (1/1) ... [2024-12-06 03:58:49,682 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:49" (1/1) ... [2024-12-06 03:58:49,683 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:49" (1/1) ... [2024-12-06 03:58:49,687 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:58:49,688 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:58:49,688 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:58:49,688 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:58:49,689 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:49" (1/1) ... [2024-12-06 03:58:49,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:58:49,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a542-0101-4e4b-8a64-697bab6c5266/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:58:49,719 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a542-0101-4e4b-8a64-697bab6c5266/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:58:49,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a542-0101-4e4b-8a64-697bab6c5266/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:58:49,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 03:58:49,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 03:58:49,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 03:58:49,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 03:58:49,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 03:58:49,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:58:49,747 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-06 03:58:49,747 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-06 03:58:49,747 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-06 03:58:49,747 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-06 03:58:49,747 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-12-06 03:58:49,747 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-12-06 03:58:49,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:58:49,748 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 03:58:49,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:58:49,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:58:49,749 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-06 03:58:49,889 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:58:49,891 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:58:50,352 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 03:58:50,352 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:58:50,635 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := (if 0 == ~x$r_buff0_thd0~0 % 256 then 0 else 1);~x$r_buff1_thd1~0 := (if 0 == ~x$r_buff0_thd1~0 % 256 then 0 else 1);~x$r_buff1_thd2~0 := (if 0 == ~x$r_buff0_thd2~0 % 256 then 0 else 1);~x$r_buff1_thd3~0 := (if 0 == ~x$r_buff0_thd3~0 % 256 then 0 else 1);~x$r_buff0_thd2~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:299) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2024-12-06 03:58:50,639 INFO L158 Benchmark]: Toolchain (without parser) took 1460.29ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 54.9MB in the end (delta: 60.8MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. [2024-12-06 03:58:50,640 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:58:50,640 INFO L158 Benchmark]: CACSL2BoogieTranslator took 439.27ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 90.1MB in the end (delta: 25.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:58:50,641 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.79ms. Allocated memory is still 142.6MB. Free memory was 90.1MB in the beginning and 87.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:58:50,641 INFO L158 Benchmark]: Boogie Preprocessor took 27.71ms. Allocated memory is still 142.6MB. Free memory was 87.9MB in the beginning and 85.8MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:58:50,642 INFO L158 Benchmark]: RCFGBuilder took 949.62ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 54.9MB in the end (delta: 30.8MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2024-12-06 03:58:50,644 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 439.27ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 90.1MB in the end (delta: 25.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.79ms. Allocated memory is still 142.6MB. Free memory was 90.1MB in the beginning and 87.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.71ms. Allocated memory is still 142.6MB. Free memory was 87.9MB in the beginning and 85.8MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 949.62ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 54.9MB in the end (delta: 30.8MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := (if 0 == ~x$r_buff0_thd0~0 % 256 then 0 else 1);~x$r_buff1_thd1~0 := (if 0 == ~x$r_buff0_thd1~0 % 256 then 0 else 1);~x$r_buff1_thd2~0 := (if 0 == ~x$r_buff0_thd2~0 % 256 then 0 else 1);~x$r_buff1_thd3~0 := (if 0 == ~x$r_buff0_thd3~0 % 256 then 0 else 1);~x$r_buff0_thd2~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := (if 0 == ~x$r_buff0_thd0~0 % 256 then 0 else 1);~x$r_buff1_thd1~0 := (if 0 == ~x$r_buff0_thd1~0 % 256 then 0 else 1);~x$r_buff1_thd2~0 := (if 0 == ~x$r_buff0_thd2~0 % 256 then 0 else 1);~x$r_buff1_thd3~0 := (if 0 == ~x$r_buff0_thd3~0 % 256 then 0 else 1);~x$r_buff0_thd2~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 03:58:50,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a542-0101-4e4b-8a64-697bab6c5266/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a542-0101-4e4b-8a64-697bab6c5266/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a542-0101-4e4b-8a64-697bab6c5266/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a542-0101-4e4b-8a64-697bab6c5266/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a542-0101-4e4b-8a64-697bab6c5266/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe028_power.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a542-0101-4e4b-8a64-697bab6c5266/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a542-0101-4e4b-8a64-697bab6c5266/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0d78821bc3a287b999f98be361d707254bd2fa61b63b525cf42d392168336d80 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:58:52,665 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:58:52,746 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a542-0101-4e4b-8a64-697bab6c5266/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 03:58:52,773 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:58:52,774 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:58:52,774 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:58:52,774 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:58:52,774 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:58:52,774 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:58:52,775 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:58:52,775 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:58:52,775 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:58:52,775 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:58:52,775 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:58:52,775 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:58:52,775 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:58:52,775 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:58:52,775 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:58:52,775 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:58:52,775 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:58:52,775 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:58:52,776 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:58:52,776 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:58:52,776 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:58:52,776 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:58:52,776 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:58:52,776 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:58:52,776 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:58:52,776 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:58:52,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:58:52,776 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:58:52,776 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:58:52,777 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:58:52,777 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:58:52,777 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:58:52,777 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:58:52,777 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_4c86a542-0101-4e4b-8a64-697bab6c5266/bin/ukojak-verify-CZk0znPC7b 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 ! call(reach_error())) ) 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 -> 0d78821bc3a287b999f98be361d707254bd2fa61b63b525cf42d392168336d80 [2024-12-06 03:58:53,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:58:53,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:58:53,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:58:53,047 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:58:53,048 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:58:53,049 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a542-0101-4e4b-8a64-697bab6c5266/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread-wmm/safe028_power.i [2024-12-06 03:58:55,811 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a542-0101-4e4b-8a64-697bab6c5266/bin/ukojak-verify-CZk0znPC7b/data/925760b9e/ae231cc14a724903b6a9b864550ebec5/FLAG791c3fa04 [2024-12-06 03:58:56,029 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:58:56,029 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a542-0101-4e4b-8a64-697bab6c5266/sv-benchmarks/c/pthread-wmm/safe028_power.i [2024-12-06 03:58:56,042 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a542-0101-4e4b-8a64-697bab6c5266/bin/ukojak-verify-CZk0znPC7b/data/925760b9e/ae231cc14a724903b6a9b864550ebec5/FLAG791c3fa04 [2024-12-06 03:58:56,364 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a542-0101-4e4b-8a64-697bab6c5266/bin/ukojak-verify-CZk0znPC7b/data/925760b9e/ae231cc14a724903b6a9b864550ebec5 [2024-12-06 03:58:56,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:58:56,367 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:58:56,368 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:58:56,368 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:58:56,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:58:56,372 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:58:56" (1/1) ... [2024-12-06 03:58:56,373 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bf1cc25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:56, skipping insertion in model container [2024-12-06 03:58:56,373 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:58:56" (1/1) ... [2024-12-06 03:58:56,404 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:58:56,555 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a542-0101-4e4b-8a64-697bab6c5266/sv-benchmarks/c/pthread-wmm/safe028_power.i[990,1003] [2024-12-06 03:58:56,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:58:56,714 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:58:56,724 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a542-0101-4e4b-8a64-697bab6c5266/sv-benchmarks/c/pthread-wmm/safe028_power.i[990,1003] [2024-12-06 03:58:56,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:58:56,810 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:58:56,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:56 WrapperNode [2024-12-06 03:58:56,810 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:58:56,811 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:58:56,811 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:58:56,811 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:58:56,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:56" (1/1) ... [2024-12-06 03:58:56,831 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:56" (1/1) ... [2024-12-06 03:58:56,850 INFO L138 Inliner]: procedures = 179, calls = 65, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 120 [2024-12-06 03:58:56,850 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:58:56,851 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:58:56,851 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:58:56,851 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:58:56,856 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:56" (1/1) ... [2024-12-06 03:58:56,856 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:56" (1/1) ... [2024-12-06 03:58:56,861 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:56" (1/1) ... [2024-12-06 03:58:56,861 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:56" (1/1) ... [2024-12-06 03:58:56,878 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:56" (1/1) ... [2024-12-06 03:58:56,880 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:56" (1/1) ... [2024-12-06 03:58:56,882 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:56" (1/1) ... [2024-12-06 03:58:56,886 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:56" (1/1) ... [2024-12-06 03:58:56,887 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:56" (1/1) ... [2024-12-06 03:58:56,891 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:58:56,892 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:58:56,892 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:58:56,892 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:58:56,893 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:58:56" (1/1) ... [2024-12-06 03:58:56,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:58:56,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a542-0101-4e4b-8a64-697bab6c5266/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:58:56,924 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a542-0101-4e4b-8a64-697bab6c5266/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:58:56,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a542-0101-4e4b-8a64-697bab6c5266/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:58:56,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 03:58:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 03:58:56,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 03:58:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 03:58:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:58:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 03:58:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:58:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-12-06 03:58:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-06 03:58:56,954 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-06 03:58:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-06 03:58:56,954 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-06 03:58:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-12-06 03:58:56,954 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-12-06 03:58:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 03:58:56,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:58:56,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:58:56,956 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-06 03:58:57,099 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:58:57,100 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:58:57,570 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 03:58:57,570 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:58:57,915 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := (if 0bv8 == ~x$r_buff0_thd0~0 then 0bv8 else 1bv8);~x$r_buff1_thd1~0 := (if 0bv8 == ~x$r_buff0_thd1~0 then 0bv8 else 1bv8);~x$r_buff1_thd2~0 := (if 0bv8 == ~x$r_buff0_thd2~0 then 0bv8 else 1bv8);~x$r_buff1_thd3~0 := (if 0bv8 == ~x$r_buff0_thd3~0 then 0bv8 else 1bv8);~x$r_buff0_thd2~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:299) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 03:58:57,920 INFO L158 Benchmark]: Toolchain (without parser) took 1552.81ms. Allocated memory is still 92.3MB. Free memory was 67.9MB in the beginning and 27.8MB in the end (delta: 40.1MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. [2024-12-06 03:58:57,921 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:58:57,921 INFO L158 Benchmark]: CACSL2BoogieTranslator took 442.96ms. Allocated memory is still 92.3MB. Free memory was 67.8MB in the beginning and 42.1MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 03:58:57,921 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.52ms. Allocated memory is still 92.3MB. Free memory was 42.1MB in the beginning and 40.0MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:58:57,922 INFO L158 Benchmark]: Boogie Preprocessor took 40.70ms. Allocated memory is still 92.3MB. Free memory was 40.0MB in the beginning and 67.0MB in the end (delta: -27.0MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-12-06 03:58:57,922 INFO L158 Benchmark]: RCFGBuilder took 1026.46ms. Allocated memory is still 92.3MB. Free memory was 66.7MB in the beginning and 27.8MB in the end (delta: 38.9MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2024-12-06 03:58:57,924 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 442.96ms. Allocated memory is still 92.3MB. Free memory was 67.8MB in the beginning and 42.1MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.52ms. Allocated memory is still 92.3MB. Free memory was 42.1MB in the beginning and 40.0MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.70ms. Allocated memory is still 92.3MB. Free memory was 40.0MB in the beginning and 67.0MB in the end (delta: -27.0MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * RCFGBuilder took 1026.46ms. Allocated memory is still 92.3MB. Free memory was 66.7MB in the beginning and 27.8MB in the end (delta: 38.9MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := (if 0bv8 == ~x$r_buff0_thd0~0 then 0bv8 else 1bv8);~x$r_buff1_thd1~0 := (if 0bv8 == ~x$r_buff0_thd1~0 then 0bv8 else 1bv8);~x$r_buff1_thd2~0 := (if 0bv8 == ~x$r_buff0_thd2~0 then 0bv8 else 1bv8);~x$r_buff1_thd3~0 := (if 0bv8 == ~x$r_buff0_thd3~0 then 0bv8 else 1bv8);~x$r_buff0_thd2~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := (if 0bv8 == ~x$r_buff0_thd0~0 then 0bv8 else 1bv8);~x$r_buff1_thd1~0 := (if 0bv8 == ~x$r_buff0_thd1~0 then 0bv8 else 1bv8);~x$r_buff1_thd2~0 := (if 0bv8 == ~x$r_buff0_thd2~0 then 0bv8 else 1bv8);~x$r_buff1_thd3~0 := (if 0bv8 == ~x$r_buff0_thd3~0 then 0bv8 else 1bv8);~x$r_buff0_thd2~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 03:58:57,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c86a542-0101-4e4b-8a64-697bab6c5266/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := (if 0bv8 == ~x$r_buff0_thd0~0 then 0bv8 else 1bv8);~x$r_buff1_thd1~0 := (if 0bv8 == ~x$r_buff0_thd1~0 then 0bv8 else 1bv8);~x$r_buff1_thd2~0 := (if 0bv8 == ~x$r_buff0_thd2~0 then 0bv8 else 1bv8);~x$r_buff1_thd3~0 := (if 0bv8 == ~x$r_buff0_thd3~0 then 0bv8 else 1bv8);~x$r_buff0_thd2~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?