./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe027_power.opt.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_eb024172-818b-4087-afbc-9f144517f857/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb024172-818b-4087-afbc-9f144517f857/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb024172-818b-4087-afbc-9f144517f857/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb024172-818b-4087-afbc-9f144517f857/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe027_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb024172-818b-4087-afbc-9f144517f857/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb024172-818b-4087-afbc-9f144517f857/bin/ukojak-verify-ENZ3QT5qd3 --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 3edc5a2d9ce2881b3565fd36253c94b9cf356a0dafd043fa3f9d27823541c09b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:04:54,178 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:04:54,296 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb024172-818b-4087-afbc-9f144517f857/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 05:04:54,304 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:04:54,304 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:04:54,346 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:04:54,348 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:04:54,349 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:04:54,349 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:04:54,350 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:04:54,351 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:04:54,352 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:04:54,352 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:04:54,352 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:04:54,352 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:04:54,352 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:04:54,353 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:04:54,353 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:04:54,353 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:04:54,353 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:04:54,353 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:04:54,353 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:04:54,353 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:04:54,353 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:04:54,353 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:04:54,354 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:04:54,354 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:04:54,354 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:04:54,354 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:04:54,354 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:04:54,355 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:04:54,355 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:04:54,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:04:54,355 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_eb024172-818b-4087-afbc-9f144517f857/bin/ukojak-verify-ENZ3QT5qd3 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 -> 3edc5a2d9ce2881b3565fd36253c94b9cf356a0dafd043fa3f9d27823541c09b [2024-11-25 05:04:54,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:04:54,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:04:54,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:04:54,740 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:04:54,740 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:04:54,742 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb024172-818b-4087-afbc-9f144517f857/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/pthread-wmm/safe027_power.opt.i [2024-11-25 05:04:57,767 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb024172-818b-4087-afbc-9f144517f857/bin/ukojak-verify-ENZ3QT5qd3/data/8bf0ce7a2/7f2314fcfd25474a8d70594e2206288c/FLAG6745943c1 [2024-11-25 05:04:58,141 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:04:58,142 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb024172-818b-4087-afbc-9f144517f857/sv-benchmarks/c/pthread-wmm/safe027_power.opt.i [2024-11-25 05:04:58,163 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb024172-818b-4087-afbc-9f144517f857/bin/ukojak-verify-ENZ3QT5qd3/data/8bf0ce7a2/7f2314fcfd25474a8d70594e2206288c/FLAG6745943c1 [2024-11-25 05:04:58,182 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb024172-818b-4087-afbc-9f144517f857/bin/ukojak-verify-ENZ3QT5qd3/data/8bf0ce7a2/7f2314fcfd25474a8d70594e2206288c [2024-11-25 05:04:58,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:04:58,185 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:04:58,187 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:04:58,187 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:04:58,191 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:04:58,192 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:04:58" (1/1) ... [2024-11-25 05:04:58,193 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@367b5bf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:58, skipping insertion in model container [2024-11-25 05:04:58,193 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:04:58" (1/1) ... [2024-11-25 05:04:58,235 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:04:58,407 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_eb024172-818b-4087-afbc-9f144517f857/sv-benchmarks/c/pthread-wmm/safe027_power.opt.i[994,1007] [2024-11-25 05:04:58,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:04:58,682 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:04:58,697 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_eb024172-818b-4087-afbc-9f144517f857/sv-benchmarks/c/pthread-wmm/safe027_power.opt.i[994,1007] [2024-11-25 05:04:58,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:04:58,866 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:04:58,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:58 WrapperNode [2024-11-25 05:04:58,867 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:04:58,868 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:04:58,868 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:04:58,868 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:04:58,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:58" (1/1) ... [2024-11-25 05:04:58,906 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:58" (1/1) ... [2024-11-25 05:04:58,940 INFO L138 Inliner]: procedures = 176, calls = 72, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 131 [2024-11-25 05:04:58,942 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:04:58,943 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:04:58,943 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:04:58,943 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:04:58,951 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:58" (1/1) ... [2024-11-25 05:04:58,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:58" (1/1) ... [2024-11-25 05:04:58,956 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:58" (1/1) ... [2024-11-25 05:04:58,957 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:58" (1/1) ... [2024-11-25 05:04:58,982 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:58" (1/1) ... [2024-11-25 05:04:58,983 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:58" (1/1) ... [2024-11-25 05:04:58,990 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:58" (1/1) ... [2024-11-25 05:04:58,993 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:58" (1/1) ... [2024-11-25 05:04:59,000 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:58" (1/1) ... [2024-11-25 05:04:59,012 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:04:59,013 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:04:59,013 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:04:59,013 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:04:59,014 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:04:58" (1/1) ... [2024-11-25 05:04:59,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:04:59,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb024172-818b-4087-afbc-9f144517f857/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:04:59,061 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb024172-818b-4087-afbc-9f144517f857/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:04:59,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb024172-818b-4087-afbc-9f144517f857/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:04:59,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 05:04:59,098 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 05:04:59,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 05:04:59,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 05:04:59,098 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-25 05:04:59,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:04:59,098 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-25 05:04:59,099 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-25 05:04:59,099 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-25 05:04:59,099 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-25 05:04:59,099 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-25 05:04:59,099 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-25 05:04:59,099 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-25 05:04:59,099 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-25 05:04:59,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:04:59,100 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-25 05:04:59,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:04:59,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:04:59,101 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-25 05:04:59,267 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:04:59,269 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:04:59,921 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-25 05:04:59,921 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:05:00,426 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$w_buff0~0 := 1;~x$w_buff1_used~0 := (if 0 == ~x$w_buff0_used~0 % 256 then 0 else 1);~x$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.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 05:05:00,436 INFO L158 Benchmark]: Toolchain (without parser) took 2248.69ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 99.9MB in the end (delta: 17.5MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. [2024-11-25 05:05:00,436 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:05:00,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 680.36ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 91.0MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 05:05:00,437 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.54ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 88.8MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:05:00,437 INFO L158 Benchmark]: Boogie Preprocessor took 69.10ms. Allocated memory is still 142.6MB. Free memory was 88.8MB in the beginning and 86.5MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:05:00,438 INFO L158 Benchmark]: RCFGBuilder took 1420.22ms. Allocated memory is still 142.6MB. Free memory was 86.5MB in the beginning and 99.9MB in the end (delta: -13.4MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. [2024-11-25 05:05:00,443 INFO L338 ainManager$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 142.6MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 680.36ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 91.0MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.54ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 88.8MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 69.10ms. Allocated memory is still 142.6MB. Free memory was 88.8MB in the beginning and 86.5MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1420.22ms. Allocated memory is still 142.6MB. Free memory was 86.5MB in the beginning and 99.9MB in the end (delta: -13.4MB). Peak memory consumption was 43.4MB. 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$w_buff0~0 := 1;~x$w_buff1_used~0 := (if 0 == ~x$w_buff0_used~0 % 256 then 0 else 1);~x$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$w_buff0~0 := 1;~x$w_buff1_used~0 := (if 0 == ~x$w_buff0_used~0 % 256 then 0 else 1);~x$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.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 05:05:00,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb024172-818b-4087-afbc-9f144517f857/bin/ukojak-verify-ENZ3QT5qd3/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_eb024172-818b-4087-afbc-9f144517f857/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb024172-818b-4087-afbc-9f144517f857/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb024172-818b-4087-afbc-9f144517f857/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb024172-818b-4087-afbc-9f144517f857/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe027_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb024172-818b-4087-afbc-9f144517f857/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb024172-818b-4087-afbc-9f144517f857/bin/ukojak-verify-ENZ3QT5qd3 --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 3edc5a2d9ce2881b3565fd36253c94b9cf356a0dafd043fa3f9d27823541c09b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:05:03,107 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:05:03,193 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb024172-818b-4087-afbc-9f144517f857/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 05:05:03,245 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:05:03,247 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:05:03,247 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:05:03,247 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:05:03,248 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:05:03,248 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:05:03,248 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:05:03,249 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:05:03,249 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:05:03,249 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:05:03,250 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:05:03,250 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:05:03,250 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:05:03,250 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 05:05:03,250 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 05:05:03,250 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 05:05:03,250 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:05:03,250 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:05:03,250 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:05:03,251 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:05:03,251 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:05:03,251 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:05:03,251 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:05:03,251 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:05:03,252 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 05:05:03,252 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:05:03,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:05:03,252 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:05:03,252 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:05:03,253 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:05:03,253 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 05:05:03,253 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:05:03,253 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 05:05:03,253 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_eb024172-818b-4087-afbc-9f144517f857/bin/ukojak-verify-ENZ3QT5qd3 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 -> 3edc5a2d9ce2881b3565fd36253c94b9cf356a0dafd043fa3f9d27823541c09b [2024-11-25 05:05:03,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:05:03,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:05:03,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:05:03,592 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:05:03,593 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:05:03,596 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb024172-818b-4087-afbc-9f144517f857/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/pthread-wmm/safe027_power.opt.i [2024-11-25 05:05:06,438 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb024172-818b-4087-afbc-9f144517f857/bin/ukojak-verify-ENZ3QT5qd3/data/ea9bf45ac/2c18c9793e9a407f982a4b3375718083/FLAGf47d2d16a [2024-11-25 05:05:06,800 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:05:06,806 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb024172-818b-4087-afbc-9f144517f857/sv-benchmarks/c/pthread-wmm/safe027_power.opt.i [2024-11-25 05:05:06,825 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb024172-818b-4087-afbc-9f144517f857/bin/ukojak-verify-ENZ3QT5qd3/data/ea9bf45ac/2c18c9793e9a407f982a4b3375718083/FLAGf47d2d16a [2024-11-25 05:05:06,845 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb024172-818b-4087-afbc-9f144517f857/bin/ukojak-verify-ENZ3QT5qd3/data/ea9bf45ac/2c18c9793e9a407f982a4b3375718083 [2024-11-25 05:05:06,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:05:06,850 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:05:06,852 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:05:06,853 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:05:06,857 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:05:06,858 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:05:06" (1/1) ... [2024-11-25 05:05:06,861 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73367a46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:06, skipping insertion in model container [2024-11-25 05:05:06,861 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:05:06" (1/1) ... [2024-11-25 05:05:06,920 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:05:07,167 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_eb024172-818b-4087-afbc-9f144517f857/sv-benchmarks/c/pthread-wmm/safe027_power.opt.i[994,1007] [2024-11-25 05:05:07,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:05:07,431 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:05:07,442 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_eb024172-818b-4087-afbc-9f144517f857/sv-benchmarks/c/pthread-wmm/safe027_power.opt.i[994,1007] [2024-11-25 05:05:07,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:05:07,562 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:05:07,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:07 WrapperNode [2024-11-25 05:05:07,564 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:05:07,565 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:05:07,565 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:05:07,565 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:05:07,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:07" (1/1) ... [2024-11-25 05:05:07,600 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:07" (1/1) ... [2024-11-25 05:05:07,635 INFO L138 Inliner]: procedures = 180, calls = 72, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 132 [2024-11-25 05:05:07,635 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:05:07,636 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:05:07,636 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:05:07,636 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:05:07,643 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:07" (1/1) ... [2024-11-25 05:05:07,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:07" (1/1) ... [2024-11-25 05:05:07,648 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:07" (1/1) ... [2024-11-25 05:05:07,648 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:07" (1/1) ... [2024-11-25 05:05:07,661 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:07" (1/1) ... [2024-11-25 05:05:07,663 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:07" (1/1) ... [2024-11-25 05:05:07,665 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:07" (1/1) ... [2024-11-25 05:05:07,668 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:07" (1/1) ... [2024-11-25 05:05:07,670 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:07" (1/1) ... [2024-11-25 05:05:07,675 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:05:07,676 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:05:07,676 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:05:07,676 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:05:07,677 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:05:07" (1/1) ... [2024-11-25 05:05:07,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:05:07,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb024172-818b-4087-afbc-9f144517f857/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:05:07,719 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb024172-818b-4087-afbc-9f144517f857/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:05:07,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb024172-818b-4087-afbc-9f144517f857/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:05:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-25 05:05:07,752 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 05:05:07,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 05:05:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-25 05:05:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:05:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-25 05:05:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 05:05:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-25 05:05:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-25 05:05:07,753 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-25 05:05:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-25 05:05:07,754 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-25 05:05:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-25 05:05:07,755 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-25 05:05:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-25 05:05:07,755 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-25 05:05:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-25 05:05:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:05:07,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:05:07,757 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-25 05:05:07,995 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:05:07,996 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:05:08,677 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-25 05:05:08,677 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:05:09,209 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$w_buff0~0 := 1bv32;~x$w_buff1_used~0 := (if 0bv8 == ~x$w_buff0_used~0 then 0bv8 else 1bv8);~x$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.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 05:05:09,217 INFO L158 Benchmark]: Toolchain (without parser) took 2366.68ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 91.9MB in the beginning and 210.0MB in the end (delta: -118.1MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. [2024-11-25 05:05:09,217 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:05:09,219 INFO L158 Benchmark]: CACSL2BoogieTranslator took 712.93ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 65.5MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 05:05:09,219 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.50ms. Allocated memory is still 117.4MB. Free memory was 65.5MB in the beginning and 63.3MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:05:09,222 INFO L158 Benchmark]: Boogie Preprocessor took 39.12ms. Allocated memory is still 117.4MB. Free memory was 63.3MB in the beginning and 60.4MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:05:09,223 INFO L158 Benchmark]: RCFGBuilder took 1539.64ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 60.4MB in the beginning and 210.0MB in the end (delta: -149.6MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2024-11-25 05:05:09,225 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 712.93ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 65.5MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.50ms. Allocated memory is still 117.4MB. Free memory was 65.5MB in the beginning and 63.3MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.12ms. Allocated memory is still 117.4MB. Free memory was 63.3MB in the beginning and 60.4MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1539.64ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 60.4MB in the beginning and 210.0MB in the end (delta: -149.6MB). Peak memory consumption was 28.0MB. 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$w_buff0~0 := 1bv32;~x$w_buff1_used~0 := (if 0bv8 == ~x$w_buff0_used~0 then 0bv8 else 1bv8);~x$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$w_buff0~0 := 1bv32;~x$w_buff1_used~0 := (if 0bv8 == ~x$w_buff0_used~0 then 0bv8 else 1bv8);~x$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.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 05:05:09,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb024172-818b-4087-afbc-9f144517f857/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 1bv32;~x$w_buff1_used~0 := (if 0bv8 == ~x$w_buff0_used~0 then 0bv8 else 1bv8);~x$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?