./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe018_power.opt.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_7052ae18-a42a-4999-9794-5824bab23f28/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7052ae18-a42a-4999-9794-5824bab23f28/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_7052ae18-a42a-4999-9794-5824bab23f28/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7052ae18-a42a-4999-9794-5824bab23f28/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe018_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7052ae18-a42a-4999-9794-5824bab23f28/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_7052ae18-a42a-4999-9794-5824bab23f28/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 81ed16bb51b8da596bb3c9a2024b72d3baf359b31125524126025207d822fe2c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:21:48,697 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:21:48,808 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7052ae18-a42a-4999-9794-5824bab23f28/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:21:48,817 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:21:48,818 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:21:48,859 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:21:48,862 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:21:48,863 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:21:48,864 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:21:48,869 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:21:48,871 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:21:48,871 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:21:48,872 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:21:48,873 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:21:48,874 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:21:48,874 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:21:48,875 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:21:48,875 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:21:48,876 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:21:48,876 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:21:48,877 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:21:48,878 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:21:48,878 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:21:48,878 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:21:48,879 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:21:48,879 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:21:48,880 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:21:48,881 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:21:48,881 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:21:48,882 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:21:48,883 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:21:48,902 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:21:48,902 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:21:48,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:21:48,903 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:21:48,903 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_7052ae18-a42a-4999-9794-5824bab23f28/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7052ae18-a42a-4999-9794-5824bab23f28/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81ed16bb51b8da596bb3c9a2024b72d3baf359b31125524126025207d822fe2c [2023-11-19 03:21:49,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:21:49,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:21:49,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:21:49,271 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:21:49,272 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:21:49,274 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7052ae18-a42a-4999-9794-5824bab23f28/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-wmm/safe018_power.opt.i [2023-11-19 03:21:52,278 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:21:52,568 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:21:52,569 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7052ae18-a42a-4999-9794-5824bab23f28/sv-benchmarks/c/pthread-wmm/safe018_power.opt.i [2023-11-19 03:21:52,592 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7052ae18-a42a-4999-9794-5824bab23f28/bin/ukojak-verify-G8NBE6pJGL/data/74f0f11d6/a06849bab6494344b77461a8071ff5da/FLAG159c9876a [2023-11-19 03:21:52,607 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7052ae18-a42a-4999-9794-5824bab23f28/bin/ukojak-verify-G8NBE6pJGL/data/74f0f11d6/a06849bab6494344b77461a8071ff5da [2023-11-19 03:21:52,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:21:52,610 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:21:52,612 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:21:52,612 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:21:52,616 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:21:52,617 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:52" (1/1) ... [2023-11-19 03:21:52,617 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36ab2bf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:52, skipping insertion in model container [2023-11-19 03:21:52,618 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:52" (1/1) ... [2023-11-19 03:21:52,683 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:21:53,220 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:53,241 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:21:53,362 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:53,412 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:21:53,412 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:21:53,420 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:21:53,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:53 WrapperNode [2023-11-19 03:21:53,421 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:21:53,422 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:21:53,422 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:21:53,422 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:21:53,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:53" (1/1) ... [2023-11-19 03:21:53,471 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:53" (1/1) ... [2023-11-19 03:21:53,499 INFO L138 Inliner]: procedures = 176, calls = 76, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 139 [2023-11-19 03:21:53,501 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:21:53,502 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:21:53,502 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:21:53,502 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:21:53,513 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:53" (1/1) ... [2023-11-19 03:21:53,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:53" (1/1) ... [2023-11-19 03:21:53,536 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:53" (1/1) ... [2023-11-19 03:21:53,536 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:53" (1/1) ... [2023-11-19 03:21:53,567 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:53" (1/1) ... [2023-11-19 03:21:53,570 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:53" (1/1) ... [2023-11-19 03:21:53,573 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:53" (1/1) ... [2023-11-19 03:21:53,576 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:53" (1/1) ... [2023-11-19 03:21:53,596 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:21:53,597 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:21:53,597 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:21:53,597 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:21:53,598 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:53" (1/1) ... [2023-11-19 03:21:53,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:21:53,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7052ae18-a42a-4999-9794-5824bab23f28/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:21:53,686 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7052ae18-a42a-4999-9794-5824bab23f28/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:21:53,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7052ae18-a42a-4999-9794-5824bab23f28/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:21:53,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:21:53,770 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:21:53,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:21:53,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:21:53,770 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:21:53,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:21:53,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:21:53,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:21:53,771 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 03:21:53,771 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 03:21:53,771 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 03:21:53,771 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 03:21:53,771 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-19 03:21:53,771 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-19 03:21:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:21:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:21:53,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:21:53,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:21:53,774 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:21:53,932 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:21:53,934 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:21:54,581 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:21:55,000 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:21:55,000 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:21:55,002 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff1_thd3~0 := ~x$r_buff0_thd3~0;~x$r_buff0_thd2~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:328) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:21:55,011 INFO L158 Benchmark]: Toolchain (without parser) took 2398.87ms. Allocated memory is still 180.4MB. Free memory was 150.6MB in the beginning and 129.6MB in the end (delta: 21.0MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2023-11-19 03:21:55,011 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 132.1MB. Free memory was 102.7MB in the beginning and 102.6MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:21:55,013 INFO L158 Benchmark]: CACSL2BoogieTranslator took 809.54ms. Allocated memory is still 180.4MB. Free memory was 150.6MB in the beginning and 125.2MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 03:21:55,014 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.93ms. Allocated memory is still 180.4MB. Free memory was 125.2MB in the beginning and 122.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:21:55,015 INFO L158 Benchmark]: Boogie Preprocessor took 94.78ms. Allocated memory is still 180.4MB. Free memory was 122.3MB in the beginning and 120.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:21:55,016 INFO L158 Benchmark]: RCFGBuilder took 1411.22ms. Allocated memory is still 180.4MB. Free memory was 119.3MB in the beginning and 129.6MB in the end (delta: -10.3MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-19 03:21:55,024 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 132.1MB. Free memory was 102.7MB in the beginning and 102.6MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 809.54ms. Allocated memory is still 180.4MB. Free memory was 150.6MB in the beginning and 125.2MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.93ms. Allocated memory is still 180.4MB. Free memory was 125.2MB in the beginning and 122.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.78ms. Allocated memory is still 180.4MB. Free memory was 122.3MB in the beginning and 120.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1411.22ms. Allocated memory is still 180.4MB. Free memory was 119.3MB in the beginning and 129.6MB in the end (delta: -10.3MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff1_thd3~0 := ~x$r_buff0_thd3~0;~x$r_buff0_thd2~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff1_thd3~0 := ~x$r_buff0_thd3~0;~x$r_buff0_thd2~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:328) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:21:55,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7052ae18-a42a-4999-9794-5824bab23f28/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7052ae18-a42a-4999-9794-5824bab23f28/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7052ae18-a42a-4999-9794-5824bab23f28/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_7052ae18-a42a-4999-9794-5824bab23f28/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7052ae18-a42a-4999-9794-5824bab23f28/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe018_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7052ae18-a42a-4999-9794-5824bab23f28/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_7052ae18-a42a-4999-9794-5824bab23f28/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 81ed16bb51b8da596bb3c9a2024b72d3baf359b31125524126025207d822fe2c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:21:57,693 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:21:57,833 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7052ae18-a42a-4999-9794-5824bab23f28/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 03:21:57,887 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:21:57,889 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:21:57,890 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:21:57,891 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:21:57,891 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:21:57,892 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:21:57,897 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:21:57,898 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:21:57,898 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:21:57,899 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:21:57,901 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:21:57,901 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:21:57,902 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:21:57,902 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:21:57,902 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:21:57,903 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:21:57,903 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:21:57,904 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:21:57,904 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:21:57,905 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:21:57,905 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:21:57,905 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:21:57,906 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:21:57,906 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:21:57,907 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:21:57,907 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:21:57,907 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:21:57,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:21:57,908 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:21:57,909 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:21:57,910 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:21:57,910 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:21:57,910 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:21:57,910 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:21:57,910 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:21:57,911 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:21:57,912 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_7052ae18-a42a-4999-9794-5824bab23f28/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7052ae18-a42a-4999-9794-5824bab23f28/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81ed16bb51b8da596bb3c9a2024b72d3baf359b31125524126025207d822fe2c [2023-11-19 03:21:58,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:21:58,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:21:58,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:21:58,389 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:21:58,389 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:21:58,391 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7052ae18-a42a-4999-9794-5824bab23f28/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-wmm/safe018_power.opt.i [2023-11-19 03:22:01,479 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:22:01,854 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:22:01,855 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7052ae18-a42a-4999-9794-5824bab23f28/sv-benchmarks/c/pthread-wmm/safe018_power.opt.i [2023-11-19 03:22:01,881 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7052ae18-a42a-4999-9794-5824bab23f28/bin/ukojak-verify-G8NBE6pJGL/data/7ed181595/518428e9efdd4f4ea45dde47f35ca858/FLAG00a47f17e [2023-11-19 03:22:01,899 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7052ae18-a42a-4999-9794-5824bab23f28/bin/ukojak-verify-G8NBE6pJGL/data/7ed181595/518428e9efdd4f4ea45dde47f35ca858 [2023-11-19 03:22:01,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:22:01,907 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:22:01,910 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:22:01,910 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:22:01,914 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:22:01,915 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:22:01" (1/1) ... [2023-11-19 03:22:01,916 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23a5c56d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:01, skipping insertion in model container [2023-11-19 03:22:01,917 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:22:01" (1/1) ... [2023-11-19 03:22:01,996 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:22:02,522 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:22:02,549 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:22:02,616 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:22:02,660 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:22:02,661 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:22:02,669 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:22:02,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:02 WrapperNode [2023-11-19 03:22:02,669 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:22:02,670 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:22:02,671 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:22:02,671 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:22:02,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:02" (1/1) ... [2023-11-19 03:22:02,727 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:02" (1/1) ... [2023-11-19 03:22:02,765 INFO L138 Inliner]: procedures = 180, calls = 76, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 140 [2023-11-19 03:22:02,766 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:22:02,767 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:22:02,767 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:22:02,767 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:22:02,776 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:02" (1/1) ... [2023-11-19 03:22:02,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:02" (1/1) ... [2023-11-19 03:22:02,783 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:02" (1/1) ... [2023-11-19 03:22:02,784 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:02" (1/1) ... [2023-11-19 03:22:02,800 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:02" (1/1) ... [2023-11-19 03:22:02,803 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:02" (1/1) ... [2023-11-19 03:22:02,808 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:02" (1/1) ... [2023-11-19 03:22:02,811 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:02" (1/1) ... [2023-11-19 03:22:02,817 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:22:02,818 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:22:02,818 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:22:02,819 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:22:02,820 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:22:02" (1/1) ... [2023-11-19 03:22:02,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:22:02,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7052ae18-a42a-4999-9794-5824bab23f28/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:22:02,873 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7052ae18-a42a-4999-9794-5824bab23f28/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:22:02,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7052ae18-a42a-4999-9794-5824bab23f28/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:22:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:22:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:22:02,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:22:02,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:22:02,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:22:02,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:22:02,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:22:02,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:22:02,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:22:02,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 03:22:02,921 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 03:22:02,922 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 03:22:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 03:22:02,922 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 03:22:02,924 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-19 03:22:02,924 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-19 03:22:02,924 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:22:02,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:22:02,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:22:02,926 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:22:03,129 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:22:03,131 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:22:03,791 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:22:04,283 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:22:04,284 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:22:04,292 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff1_thd3~0 := ~x$r_buff0_thd3~0;~x$r_buff0_thd2~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:328) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:22:04,299 INFO L158 Benchmark]: Toolchain (without parser) took 2391.37ms. Allocated memory is still 111.1MB. Free memory was 85.4MB in the beginning and 54.0MB in the end (delta: 31.4MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. [2023-11-19 03:22:04,299 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 71.3MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:22:04,300 INFO L158 Benchmark]: CACSL2BoogieTranslator took 760.06ms. Allocated memory is still 111.1MB. Free memory was 85.1MB in the beginning and 59.4MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 03:22:04,301 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.56ms. Allocated memory is still 111.1MB. Free memory was 59.4MB in the beginning and 87.6MB in the end (delta: -28.2MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2023-11-19 03:22:04,302 INFO L158 Benchmark]: Boogie Preprocessor took 50.96ms. Allocated memory is still 111.1MB. Free memory was 87.6MB in the beginning and 84.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:22:04,303 INFO L158 Benchmark]: RCFGBuilder took 1478.83ms. Allocated memory is still 111.1MB. Free memory was 84.5MB in the beginning and 54.0MB in the end (delta: 30.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-19 03:22:04,307 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 71.3MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 760.06ms. Allocated memory is still 111.1MB. Free memory was 85.1MB in the beginning and 59.4MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.56ms. Allocated memory is still 111.1MB. Free memory was 59.4MB in the beginning and 87.6MB in the end (delta: -28.2MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.96ms. Allocated memory is still 111.1MB. Free memory was 87.6MB in the beginning and 84.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1478.83ms. Allocated memory is still 111.1MB. Free memory was 84.5MB in the beginning and 54.0MB in the end (delta: 30.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff1_thd3~0 := ~x$r_buff0_thd3~0;~x$r_buff0_thd2~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff1_thd3~0 := ~x$r_buff0_thd3~0;~x$r_buff0_thd2~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:328) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:22:04,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7052ae18-a42a-4999-9794-5824bab23f28/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff1_thd3~0 := ~x$r_buff0_thd3~0;~x$r_buff0_thd2~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?