./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix028_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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3d49947-4f9a-4f23-af9f-47bdbd8235b5/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3d49947-4f9a-4f23-af9f-47bdbd8235b5/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_d3d49947-4f9a-4f23-af9f-47bdbd8235b5/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3d49947-4f9a-4f23-af9f-47bdbd8235b5/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix028_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3d49947-4f9a-4f23-af9f-47bdbd8235b5/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_d3d49947-4f9a-4f23-af9f-47bdbd8235b5/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 d974e781ffea1b31efc329a775e4694ebddd3772fc019bafad0898da50a9d8c1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:53:36,416 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:53:36,531 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3d49947-4f9a-4f23-af9f-47bdbd8235b5/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:53:36,539 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:53:36,540 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:53:36,574 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:53:36,578 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:53:36,579 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:53:36,580 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:53:36,582 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:53:36,583 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:53:36,584 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:53:36,584 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:53:36,587 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:53:36,588 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:53:36,588 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:53:36,590 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:53:36,594 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:53:36,597 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:53:36,597 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:53:36,598 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:53:36,598 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:53:36,599 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:53:36,599 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:53:36,600 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:53:36,600 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:53:36,601 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:53:36,601 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:53:36,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:36,602 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:53:36,603 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:53:36,604 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:53:36,604 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:53:36,605 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:53:36,605 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:53:36,605 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_d3d49947-4f9a-4f23-af9f-47bdbd8235b5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3d49947-4f9a-4f23-af9f-47bdbd8235b5/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d974e781ffea1b31efc329a775e4694ebddd3772fc019bafad0898da50a9d8c1 [2023-11-19 02:53:36,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:53:36,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:53:36,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:53:36,933 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:53:36,933 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:53:36,935 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3d49947-4f9a-4f23-af9f-47bdbd8235b5/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-wmm/mix028_power.oepc_pso.oepc_rmo.oepc.i [2023-11-19 02:53:40,014 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:53:40,333 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:53:40,333 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3d49947-4f9a-4f23-af9f-47bdbd8235b5/sv-benchmarks/c/pthread-wmm/mix028_power.oepc_pso.oepc_rmo.oepc.i [2023-11-19 02:53:40,349 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3d49947-4f9a-4f23-af9f-47bdbd8235b5/bin/ukojak-verify-G8NBE6pJGL/data/c4d3b8497/7f6b9d1eebc7450cbddde86c886a4f5d/FLAG11df7e769 [2023-11-19 02:53:40,364 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3d49947-4f9a-4f23-af9f-47bdbd8235b5/bin/ukojak-verify-G8NBE6pJGL/data/c4d3b8497/7f6b9d1eebc7450cbddde86c886a4f5d [2023-11-19 02:53:40,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:53:40,368 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:53:40,370 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:40,370 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:53:40,376 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:53:40,377 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:40" (1/1) ... [2023-11-19 02:53:40,378 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6053406f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:40, skipping insertion in model container [2023-11-19 02:53:40,378 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:40" (1/1) ... [2023-11-19 02:53:40,427 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:53:40,943 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:40,960 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:53:41,066 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:41,112 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:53:41,112 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:53:41,121 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:53:41,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:41 WrapperNode [2023-11-19 02:53:41,121 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:41,123 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:41,123 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:53:41,123 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:53:41,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:41" (1/1) ... [2023-11-19 02:53:41,163 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:41" (1/1) ... [2023-11-19 02:53:41,189 INFO L138 Inliner]: procedures = 176, calls = 57, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 96 [2023-11-19 02:53:41,190 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:41,190 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:53:41,191 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:53:41,191 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:53:41,204 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:41" (1/1) ... [2023-11-19 02:53:41,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:41" (1/1) ... [2023-11-19 02:53:41,208 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:41" (1/1) ... [2023-11-19 02:53:41,208 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:41" (1/1) ... [2023-11-19 02:53:41,221 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:41" (1/1) ... [2023-11-19 02:53:41,223 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:41" (1/1) ... [2023-11-19 02:53:41,226 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:41" (1/1) ... [2023-11-19 02:53:41,228 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:41" (1/1) ... [2023-11-19 02:53:41,233 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:53:41,234 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:53:41,234 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:53:41,234 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:53:41,235 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:41" (1/1) ... [2023-11-19 02:53:41,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:41,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3d49947-4f9a-4f23-af9f-47bdbd8235b5/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:53:41,277 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3d49947-4f9a-4f23-af9f-47bdbd8235b5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:53:41,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3d49947-4f9a-4f23-af9f-47bdbd8235b5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:53:41,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:53:41,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:53:41,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:53:41,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 02:53:41,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:53:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:53:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:53:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 02:53:41,342 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 02:53:41,343 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 02:53:41,343 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 02:53:41,343 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-19 02:53:41,343 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-19 02:53:41,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:53:41,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 02:53:41,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:53:41,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:53:41,345 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 02:53:41,492 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:53:41,495 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:53:41,891 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:53:42,178 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:53:42,178 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:53:42,180 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: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 1;~z$w_buff1_used~0 := ~z$w_buff0_used~0;~z$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 02:53:42,188 INFO L158 Benchmark]: Toolchain (without parser) took 1818.62ms. Allocated memory is still 157.3MB. Free memory was 117.3MB in the beginning and 107.1MB in the end (delta: 10.2MB). Peak memory consumption was 56.7MB. Max. memory is 16.1GB. [2023-11-19 02:53:42,189 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 115.3MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:53:42,190 INFO L158 Benchmark]: CACSL2BoogieTranslator took 751.86ms. Allocated memory is still 157.3MB. Free memory was 116.7MB in the beginning and 93.1MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 02:53:42,191 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.14ms. Allocated memory is still 157.3MB. Free memory was 93.1MB in the beginning and 91.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:53:42,192 INFO L158 Benchmark]: Boogie Preprocessor took 42.74ms. Allocated memory is still 157.3MB. Free memory was 91.0MB in the beginning and 88.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:53:42,193 INFO L158 Benchmark]: RCFGBuilder took 952.26ms. Allocated memory is still 157.3MB. Free memory was 88.9MB in the beginning and 107.1MB in the end (delta: -18.2MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2023-11-19 02:53:42,197 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 115.3MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 751.86ms. Allocated memory is still 157.3MB. Free memory was 116.7MB in the beginning and 93.1MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.14ms. Allocated memory is still 157.3MB. Free memory was 93.1MB in the beginning and 91.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.74ms. Allocated memory is still 157.3MB. Free memory was 91.0MB in the beginning and 88.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 952.26ms. Allocated memory is still 157.3MB. Free memory was 88.9MB in the beginning and 107.1MB in the end (delta: -18.2MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 1;~z$w_buff1_used~0 := ~z$w_buff0_used~0;~z$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 1;~z$w_buff1_used~0 := ~z$w_buff0_used~0;~z$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 02:53:42,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3d49947-4f9a-4f23-af9f-47bdbd8235b5/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3d49947-4f9a-4f23-af9f-47bdbd8235b5/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3d49947-4f9a-4f23-af9f-47bdbd8235b5/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_d3d49947-4f9a-4f23-af9f-47bdbd8235b5/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3d49947-4f9a-4f23-af9f-47bdbd8235b5/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix028_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3d49947-4f9a-4f23-af9f-47bdbd8235b5/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_d3d49947-4f9a-4f23-af9f-47bdbd8235b5/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 d974e781ffea1b31efc329a775e4694ebddd3772fc019bafad0898da50a9d8c1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:53:44,845 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:53:44,966 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3d49947-4f9a-4f23-af9f-47bdbd8235b5/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 02:53:44,998 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:53:44,999 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:53:44,999 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:53:45,000 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:53:45,001 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:53:45,001 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:53:45,002 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:53:45,002 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:53:45,003 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:53:45,003 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:53:45,004 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:53:45,004 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:53:45,005 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:53:45,005 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:53:45,006 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:53:45,006 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:53:45,007 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:53:45,007 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:53:45,008 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:53:45,008 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:53:45,009 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:53:45,009 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:53:45,010 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:53:45,010 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:53:45,011 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:53:45,011 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:53:45,011 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:53:45,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:45,012 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:53:45,013 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:53:45,013 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:53:45,013 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:53:45,013 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:53:45,013 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:53:45,014 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:53:45,014 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:53:45,014 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_d3d49947-4f9a-4f23-af9f-47bdbd8235b5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3d49947-4f9a-4f23-af9f-47bdbd8235b5/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d974e781ffea1b31efc329a775e4694ebddd3772fc019bafad0898da50a9d8c1 [2023-11-19 02:53:45,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:53:45,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:53:45,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:53:45,393 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:53:45,393 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:53:45,395 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3d49947-4f9a-4f23-af9f-47bdbd8235b5/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-wmm/mix028_power.oepc_pso.oepc_rmo.oepc.i [2023-11-19 02:53:48,511 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:53:48,901 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:53:48,901 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3d49947-4f9a-4f23-af9f-47bdbd8235b5/sv-benchmarks/c/pthread-wmm/mix028_power.oepc_pso.oepc_rmo.oepc.i [2023-11-19 02:53:48,921 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3d49947-4f9a-4f23-af9f-47bdbd8235b5/bin/ukojak-verify-G8NBE6pJGL/data/96db350fb/1c85d43ed8394d038153ff51e792027b/FLAGc7c16474e [2023-11-19 02:53:49,079 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3d49947-4f9a-4f23-af9f-47bdbd8235b5/bin/ukojak-verify-G8NBE6pJGL/data/96db350fb/1c85d43ed8394d038153ff51e792027b [2023-11-19 02:53:49,084 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:53:49,085 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:53:49,087 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:49,087 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:53:49,094 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:53:49,095 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:49" (1/1) ... [2023-11-19 02:53:49,097 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dfab412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:49, skipping insertion in model container [2023-11-19 02:53:49,097 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:49" (1/1) ... [2023-11-19 02:53:49,156 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:53:49,630 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:49,657 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:53:49,732 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:49,788 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:53:49,788 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:53:49,797 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:53:49,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:49 WrapperNode [2023-11-19 02:53:49,799 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:49,800 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:49,800 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:53:49,801 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:53:49,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:49" (1/1) ... [2023-11-19 02:53:49,837 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:49" (1/1) ... [2023-11-19 02:53:49,862 INFO L138 Inliner]: procedures = 179, calls = 57, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2023-11-19 02:53:49,862 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:49,863 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:53:49,863 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:53:49,863 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:53:49,872 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:49" (1/1) ... [2023-11-19 02:53:49,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:49" (1/1) ... [2023-11-19 02:53:49,878 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:49" (1/1) ... [2023-11-19 02:53:49,879 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:49" (1/1) ... [2023-11-19 02:53:49,895 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:49" (1/1) ... [2023-11-19 02:53:49,902 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:49" (1/1) ... [2023-11-19 02:53:49,906 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:49" (1/1) ... [2023-11-19 02:53:49,911 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:49" (1/1) ... [2023-11-19 02:53:49,917 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:53:49,918 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:53:49,918 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:53:49,918 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:53:49,919 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:49" (1/1) ... [2023-11-19 02:53:49,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:49,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3d49947-4f9a-4f23-af9f-47bdbd8235b5/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:53:49,959 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3d49947-4f9a-4f23-af9f-47bdbd8235b5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:53:49,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3d49947-4f9a-4f23-af9f-47bdbd8235b5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:53:50,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:53:50,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:53:50,031 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 02:53:50,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:53:50,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:53:50,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:53:50,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 02:53:50,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:53:50,032 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 02:53:50,033 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 02:53:50,033 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 02:53:50,033 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 02:53:50,033 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-19 02:53:50,033 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-19 02:53:50,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 02:53:50,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:53:50,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:53:50,038 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 02:53:50,260 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:53:50,262 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:53:50,704 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:53:50,902 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:53:50,902 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:53:50,904 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: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 1bv32;~z$w_buff1_used~0 := ~z$w_buff0_used~0;~z$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 02:53:50,911 INFO L158 Benchmark]: Toolchain (without parser) took 1824.71ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 47.9MB in the beginning and 53.6MB in the end (delta: -5.6MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2023-11-19 02:53:50,912 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 73.4MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:53:50,913 INFO L158 Benchmark]: CACSL2BoogieTranslator took 712.65ms. Allocated memory is still 73.4MB. Free memory was 47.8MB in the beginning and 40.6MB in the end (delta: 7.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 02:53:50,914 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.19ms. Allocated memory is still 73.4MB. Free memory was 40.6MB in the beginning and 38.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:53:50,915 INFO L158 Benchmark]: Boogie Preprocessor took 54.11ms. Allocated memory is still 73.4MB. Free memory was 38.2MB in the beginning and 35.9MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:53:50,916 INFO L158 Benchmark]: RCFGBuilder took 991.68ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 35.8MB in the beginning and 53.6MB in the end (delta: -17.8MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2023-11-19 02:53:50,924 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 73.4MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 712.65ms. Allocated memory is still 73.4MB. Free memory was 47.8MB in the beginning and 40.6MB in the end (delta: 7.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.19ms. Allocated memory is still 73.4MB. Free memory was 40.6MB in the beginning and 38.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.11ms. Allocated memory is still 73.4MB. Free memory was 38.2MB in the beginning and 35.9MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 991.68ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 35.8MB in the beginning and 53.6MB in the end (delta: -17.8MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 1bv32;~z$w_buff1_used~0 := ~z$w_buff0_used~0;~z$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 1bv32;~z$w_buff1_used~0 := ~z$w_buff0_used~0;~z$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:53:50,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3d49947-4f9a-4f23-af9f-47bdbd8235b5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 1bv32;~z$w_buff1_used~0 := ~z$w_buff0_used~0;~z$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?