./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi000_power.oepc_pso.oepc_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eea370-1fd9-444e-9f76-c2844a0c204e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eea370-1fd9-444e-9f76-c2844a0c204e/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eea370-1fd9-444e-9f76-c2844a0c204e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eea370-1fd9-444e-9f76-c2844a0c204e/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi000_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eea370-1fd9-444e-9f76-c2844a0c204e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eea370-1fd9-444e-9f76-c2844a0c204e/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash be50e7e5241b29f4a9e868e4f8ec6ed8a757d2cee90daca598ed21c4a5ee9d77 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:02:08,236 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:02:08,313 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eea370-1fd9-444e-9f76-c2844a0c204e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 04:02:08,319 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:02:08,320 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:02:08,347 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:02:08,348 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:02:08,349 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:02:08,350 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:02:08,351 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:02:08,352 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:02:08,352 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:02:08,353 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:02:08,354 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:02:08,354 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:02:08,355 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:02:08,355 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:02:08,356 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:02:08,357 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:02:08,357 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:02:08,358 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:02:08,359 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:02:08,359 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:02:08,360 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:02:08,361 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:02:08,361 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:02:08,362 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:02:08,363 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:02:08,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:02:08,364 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:02:08,365 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:02:08,365 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:02:08,366 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:02:08,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:02:08,367 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:02:08,368 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eea370-1fd9-444e-9f76-c2844a0c204e/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eea370-1fd9-444e-9f76-c2844a0c204e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be50e7e5241b29f4a9e868e4f8ec6ed8a757d2cee90daca598ed21c4a5ee9d77 [2023-11-19 04:02:08,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:02:08,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:02:08,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:02:08,768 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:02:08,768 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:02:08,770 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eea370-1fd9-444e-9f76-c2844a0c204e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-wmm/rfi000_power.oepc_pso.oepc_rmo.oepc.i [2023-11-19 04:02:12,111 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:02:12,411 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:02:12,411 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eea370-1fd9-444e-9f76-c2844a0c204e/sv-benchmarks/c/pthread-wmm/rfi000_power.oepc_pso.oepc_rmo.oepc.i [2023-11-19 04:02:12,432 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eea370-1fd9-444e-9f76-c2844a0c204e/bin/ukojak-verify-G8NBE6pJGL/data/ef7638856/d45f0e6160594718bb747e191148e245/FLAG19db0fd8a [2023-11-19 04:02:12,448 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eea370-1fd9-444e-9f76-c2844a0c204e/bin/ukojak-verify-G8NBE6pJGL/data/ef7638856/d45f0e6160594718bb747e191148e245 [2023-11-19 04:02:12,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:02:12,453 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:02:12,455 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:02:12,455 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:02:12,461 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:02:12,462 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:02:12" (1/1) ... [2023-11-19 04:02:12,463 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d122380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:12, skipping insertion in model container [2023-11-19 04:02:12,463 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:02:12" (1/1) ... [2023-11-19 04:02:12,534 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:02:13,132 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:02:13,153 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:02:13,284 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:02:13,340 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:02:13,340 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:02:13,349 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:02:13,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:13 WrapperNode [2023-11-19 04:02:13,350 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:02:13,352 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:02:13,352 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:02:13,352 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:02:13,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:13" (1/1) ... [2023-11-19 04:02:13,405 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:13" (1/1) ... [2023-11-19 04:02:13,465 INFO L138 Inliner]: procedures = 175, calls = 46, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 99 [2023-11-19 04:02:13,467 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:02:13,469 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:02:13,469 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:02:13,470 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:02:13,482 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:13" (1/1) ... [2023-11-19 04:02:13,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:13" (1/1) ... [2023-11-19 04:02:13,501 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:13" (1/1) ... [2023-11-19 04:02:13,503 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:13" (1/1) ... [2023-11-19 04:02:13,520 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:13" (1/1) ... [2023-11-19 04:02:13,522 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:13" (1/1) ... [2023-11-19 04:02:13,525 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:13" (1/1) ... [2023-11-19 04:02:13,544 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:13" (1/1) ... [2023-11-19 04:02:13,553 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:02:13,555 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:02:13,556 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:02:13,556 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:02:13,557 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:13" (1/1) ... [2023-11-19 04:02:13,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:02:13,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eea370-1fd9-444e-9f76-c2844a0c204e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:02:13,599 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eea370-1fd9-444e-9f76-c2844a0c204e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:02:13,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eea370-1fd9-444e-9f76-c2844a0c204e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:02:13,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:02:13,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:02:13,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:02:13,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 04:02:13,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:02:13,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:02:13,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:02:13,658 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 04:02:13,658 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 04:02:13,658 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 04:02:13,658 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 04:02:13,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:02:13,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 04:02:13,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:02:13,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:02:13,661 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 04:02:13,891 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:02:13,894 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:02:14,376 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:02:14,712 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:02:14,712 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:02:14,715 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: ~y$w_buff1~0 := ~y$w_buff0~0;~y$w_buff0~0 := 2;~y$w_buff1_used~0 := ~y$w_buff0_used~0;~y$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 04:02:14,721 INFO L158 Benchmark]: Toolchain (without parser) took 2266.50ms. Allocated memory is still 161.5MB. Free memory was 113.7MB in the beginning and 94.6MB in the end (delta: 19.1MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. [2023-11-19 04:02:14,721 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:02:14,723 INFO L158 Benchmark]: CACSL2BoogieTranslator took 895.89ms. Allocated memory is still 161.5MB. Free memory was 113.6MB in the beginning and 88.5MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 04:02:14,724 INFO L158 Benchmark]: Boogie Procedure Inliner took 116.86ms. Allocated memory is still 161.5MB. Free memory was 88.5MB in the beginning and 86.0MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:02:14,725 INFO L158 Benchmark]: Boogie Preprocessor took 85.11ms. Allocated memory is still 161.5MB. Free memory was 86.0MB in the beginning and 83.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:02:14,726 INFO L158 Benchmark]: RCFGBuilder took 1163.66ms. Allocated memory is still 161.5MB. Free memory was 83.9MB in the beginning and 94.6MB in the end (delta: -10.8MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2023-11-19 04:02:14,731 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 895.89ms. Allocated memory is still 161.5MB. Free memory was 113.6MB in the beginning and 88.5MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 116.86ms. Allocated memory is still 161.5MB. Free memory was 88.5MB in the beginning and 86.0MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.11ms. Allocated memory is still 161.5MB. Free memory was 86.0MB in the beginning and 83.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1163.66ms. Allocated memory is still 161.5MB. Free memory was 83.9MB in the beginning and 94.6MB in the end (delta: -10.8MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~y$w_buff1~0 := ~y$w_buff0~0;~y$w_buff0~0 := 2;~y$w_buff1_used~0 := ~y$w_buff0_used~0;~y$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~y$w_buff1~0 := ~y$w_buff0~0;~y$w_buff0~0 := 2;~y$w_buff1_used~0 := ~y$w_buff0_used~0;~y$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 04:02:14,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eea370-1fd9-444e-9f76-c2844a0c204e/bin/ukojak-verify-G8NBE6pJGL/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eea370-1fd9-444e-9f76-c2844a0c204e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eea370-1fd9-444e-9f76-c2844a0c204e/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eea370-1fd9-444e-9f76-c2844a0c204e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eea370-1fd9-444e-9f76-c2844a0c204e/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi000_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eea370-1fd9-444e-9f76-c2844a0c204e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eea370-1fd9-444e-9f76-c2844a0c204e/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash be50e7e5241b29f4a9e868e4f8ec6ed8a757d2cee90daca598ed21c4a5ee9d77 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:02:17,587 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:02:17,686 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eea370-1fd9-444e-9f76-c2844a0c204e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 04:02:17,726 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:02:17,727 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:02:17,728 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:02:17,729 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:02:17,729 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:02:17,730 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:02:17,731 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:02:17,731 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:02:17,732 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:02:17,733 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:02:17,733 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:02:17,734 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:02:17,734 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:02:17,735 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:02:17,736 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:02:17,736 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:02:17,737 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:02:17,738 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:02:17,739 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:02:17,739 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:02:17,740 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:02:17,741 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:02:17,741 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:02:17,742 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:02:17,742 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:02:17,743 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:02:17,744 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:02:17,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:02:17,745 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:02:17,746 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:02:17,746 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:02:17,747 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:02:17,747 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:02:17,748 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:02:17,748 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:02:17,749 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:02:17,749 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eea370-1fd9-444e-9f76-c2844a0c204e/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eea370-1fd9-444e-9f76-c2844a0c204e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be50e7e5241b29f4a9e868e4f8ec6ed8a757d2cee90daca598ed21c4a5ee9d77 [2023-11-19 04:02:18,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:02:18,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:02:18,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:02:18,225 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:02:18,226 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:02:18,228 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eea370-1fd9-444e-9f76-c2844a0c204e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-wmm/rfi000_power.oepc_pso.oepc_rmo.oepc.i [2023-11-19 04:02:21,562 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:02:21,946 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:02:21,947 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eea370-1fd9-444e-9f76-c2844a0c204e/sv-benchmarks/c/pthread-wmm/rfi000_power.oepc_pso.oepc_rmo.oepc.i [2023-11-19 04:02:21,968 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eea370-1fd9-444e-9f76-c2844a0c204e/bin/ukojak-verify-G8NBE6pJGL/data/48a837c45/1a5acf5ff6c848b5b500f9d8d6fa4ab2/FLAG2eafc1468 [2023-11-19 04:02:21,983 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eea370-1fd9-444e-9f76-c2844a0c204e/bin/ukojak-verify-G8NBE6pJGL/data/48a837c45/1a5acf5ff6c848b5b500f9d8d6fa4ab2 [2023-11-19 04:02:21,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:02:21,987 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:02:21,989 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:02:21,989 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:02:21,994 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:02:21,995 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:02:21" (1/1) ... [2023-11-19 04:02:21,996 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1585493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:21, skipping insertion in model container [2023-11-19 04:02:21,996 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:02:21" (1/1) ... [2023-11-19 04:02:22,061 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:02:22,650 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:02:22,674 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:02:22,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:02:22,896 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:02:22,896 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:02:22,906 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:02:22,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:22 WrapperNode [2023-11-19 04:02:22,907 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:02:22,908 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:02:22,909 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:02:22,909 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:02:22,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:22" (1/1) ... [2023-11-19 04:02:22,962 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:22" (1/1) ... [2023-11-19 04:02:23,018 INFO L138 Inliner]: procedures = 178, calls = 46, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 100 [2023-11-19 04:02:23,018 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:02:23,019 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:02:23,019 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:02:23,019 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:02:23,031 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:22" (1/1) ... [2023-11-19 04:02:23,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:22" (1/1) ... [2023-11-19 04:02:23,037 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:22" (1/1) ... [2023-11-19 04:02:23,037 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:22" (1/1) ... [2023-11-19 04:02:23,067 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:22" (1/1) ... [2023-11-19 04:02:23,069 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:22" (1/1) ... [2023-11-19 04:02:23,102 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:22" (1/1) ... [2023-11-19 04:02:23,104 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:22" (1/1) ... [2023-11-19 04:02:23,110 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:02:23,111 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:02:23,111 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:02:23,111 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:02:23,112 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:22" (1/1) ... [2023-11-19 04:02:23,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:02:23,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eea370-1fd9-444e-9f76-c2844a0c204e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:02:23,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eea370-1fd9-444e-9f76-c2844a0c204e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:02:23,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eea370-1fd9-444e-9f76-c2844a0c204e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:02:23,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:02:23,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:02:23,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 04:02:23,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:02:23,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:02:23,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:02:23,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:02:23,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:02:23,222 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 04:02:23,222 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 04:02:23,222 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 04:02:23,223 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 04:02:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 04:02:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:02:23,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:02:23,227 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 04:02:23,507 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:02:23,511 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:02:24,017 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:02:24,338 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:02:24,338 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:02:24,341 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: ~y$w_buff1~0 := ~y$w_buff0~0;~y$w_buff0~0 := 2bv32;~y$w_buff1_used~0 := ~y$w_buff0_used~0;~y$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 04:02:24,349 INFO L158 Benchmark]: Toolchain (without parser) took 2359.76ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 48.2MB in the beginning and 45.7MB in the end (delta: 2.5MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2023-11-19 04:02:24,350 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 73.4MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:02:24,351 INFO L158 Benchmark]: CACSL2BoogieTranslator took 918.39ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 48.0MB in the beginning and 60.2MB in the end (delta: -12.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 04:02:24,352 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.90ms. Allocated memory is still 94.4MB. Free memory was 60.2MB in the beginning and 57.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:02:24,353 INFO L158 Benchmark]: Boogie Preprocessor took 91.16ms. Allocated memory is still 94.4MB. Free memory was 57.6MB in the beginning and 55.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:02:24,354 INFO L158 Benchmark]: RCFGBuilder took 1235.37ms. Allocated memory is still 94.4MB. Free memory was 55.1MB in the beginning and 45.7MB in the end (delta: 9.4MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2023-11-19 04:02:24,363 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 73.4MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 918.39ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 48.0MB in the beginning and 60.2MB in the end (delta: -12.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.90ms. Allocated memory is still 94.4MB. Free memory was 60.2MB in the beginning and 57.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.16ms. Allocated memory is still 94.4MB. Free memory was 57.6MB in the beginning and 55.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1235.37ms. Allocated memory is still 94.4MB. Free memory was 55.1MB in the beginning and 45.7MB in the end (delta: 9.4MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~y$w_buff1~0 := ~y$w_buff0~0;~y$w_buff0~0 := 2bv32;~y$w_buff1_used~0 := ~y$w_buff0_used~0;~y$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~y$w_buff1~0 := ~y$w_buff0~0;~y$w_buff0~0 := 2bv32;~y$w_buff1_used~0 := ~y$w_buff0_used~0;~y$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 04:02:24,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eea370-1fd9-444e-9f76-c2844a0c204e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~y$w_buff1~0 := ~y$w_buff0~0;~y$w_buff0~0 := 2bv32;~y$w_buff1_used~0 := ~y$w_buff0_used~0;~y$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?