./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_608b1a24-4b43-4dff-86f1-d419bd72cd0f/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608b1a24-4b43-4dff-86f1-d419bd72cd0f/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608b1a24-4b43-4dff-86f1-d419bd72cd0f/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608b1a24-4b43-4dff-86f1-d419bd72cd0f/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608b1a24-4b43-4dff-86f1-d419bd72cd0f/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608b1a24-4b43-4dff-86f1-d419bd72cd0f/bin/ukojak-verify-i0I2FZA1j2 --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 c62a6a6ca02e763ce9adebe2a1f0301f133cb0abc0bbd9fb473585b57a9c78f2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:36:26,555 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:36:26,681 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608b1a24-4b43-4dff-86f1-d419bd72cd0f/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:36:26,690 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:36:26,691 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:36:26,732 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:36:26,734 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:36:26,734 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:36:26,736 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:36:26,741 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:36:26,743 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:36:26,744 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:36:26,744 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:36:26,746 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:36:26,747 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:36:26,747 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:36:26,748 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:36:26,748 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:36:26,749 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:36:26,750 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:36:26,750 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:36:26,751 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:36:26,751 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:36:26,752 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:36:26,754 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:36:26,755 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:36:26,756 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:36:26,756 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:36:26,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:36:26,757 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:36:26,759 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:36:26,759 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:36:26,760 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:36:26,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:36:26,760 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:36:26,761 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_608b1a24-4b43-4dff-86f1-d419bd72cd0f/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608b1a24-4b43-4dff-86f1-d419bd72cd0f/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c62a6a6ca02e763ce9adebe2a1f0301f133cb0abc0bbd9fb473585b57a9c78f2 [2023-11-21 18:36:27,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:36:27,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:36:27,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:36:27,231 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:36:27,231 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:36:27,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608b1a24-4b43-4dff-86f1-d419bd72cd0f/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2023-11-21 18:36:30,948 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:36:31,487 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:36:31,488 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608b1a24-4b43-4dff-86f1-d419bd72cd0f/sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2023-11-21 18:36:31,528 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608b1a24-4b43-4dff-86f1-d419bd72cd0f/bin/ukojak-verify-i0I2FZA1j2/data/aed743f7a/2facb2eebe2740518e4ba137a174f35f/FLAGcfcad8d5a [2023-11-21 18:36:31,554 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608b1a24-4b43-4dff-86f1-d419bd72cd0f/bin/ukojak-verify-i0I2FZA1j2/data/aed743f7a/2facb2eebe2740518e4ba137a174f35f [2023-11-21 18:36:31,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:36:31,562 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:36:31,567 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:36:31,567 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:36:31,574 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:36:31,575 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:36:31" (1/1) ... [2023-11-21 18:36:31,576 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f8ff01e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:31, skipping insertion in model container [2023-11-21 18:36:31,576 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:36:31" (1/1) ... [2023-11-21 18:36:31,675 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:36:31,847 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:36:32,704 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:36:32,730 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:36:32,748 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:36:32,873 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:36:33,070 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:36:33,071 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:36:33,071 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:36:33,080 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:36:33,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:33 WrapperNode [2023-11-21 18:36:33,081 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:36:33,082 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:36:33,083 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:36:33,083 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:36:33,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:33" (1/1) ... [2023-11-21 18:36:33,145 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:33" (1/1) ... [2023-11-21 18:36:33,190 INFO L138 Inliner]: procedures = 470, calls = 65, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 117 [2023-11-21 18:36:33,191 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:36:33,192 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:36:33,192 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:36:33,192 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:36:33,204 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:33" (1/1) ... [2023-11-21 18:36:33,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:33" (1/1) ... [2023-11-21 18:36:33,211 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:33" (1/1) ... [2023-11-21 18:36:33,219 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:33" (1/1) ... [2023-11-21 18:36:33,269 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:33" (1/1) ... [2023-11-21 18:36:33,276 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:33" (1/1) ... [2023-11-21 18:36:33,282 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:33" (1/1) ... [2023-11-21 18:36:33,286 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:33" (1/1) ... [2023-11-21 18:36:33,300 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:36:33,301 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:36:33,301 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:36:33,301 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:36:33,302 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:33" (1/1) ... [2023-11-21 18:36:33,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:36:33,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608b1a24-4b43-4dff-86f1-d419bd72cd0f/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:36:33,349 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608b1a24-4b43-4dff-86f1-d419bd72cd0f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:36:33,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608b1a24-4b43-4dff-86f1-d419bd72cd0f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:36:33,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:36:33,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:36:33,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:36:33,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:36:33,400 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-21 18:36:33,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:36:33,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:36:33,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-21 18:36:33,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-21 18:36:33,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:36:33,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:36:33,401 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-11-21 18:36:33,402 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-11-21 18:36:33,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:36:33,402 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-21 18:36:33,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:36:33,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:36:33,408 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:36:33,747 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:36:33,749 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:36:34,043 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:36:34,147 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: call my_drv_disconnect_#t~mem18#1 := read~int(my_drv_disconnect_~data#1.base, 24 + my_drv_disconnect_~data#1.offset, 4);). 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:355) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:295) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-21 18:36:34,153 INFO L158 Benchmark]: Toolchain (without parser) took 2589.53ms. Allocated memory is still 148.9MB. Free memory was 116.7MB in the beginning and 64.9MB in the end (delta: 51.8MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. [2023-11-21 18:36:34,154 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 100.7MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:36:34,155 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1514.78ms. Allocated memory is still 148.9MB. Free memory was 116.2MB in the beginning and 101.3MB in the end (delta: 14.9MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2023-11-21 18:36:34,156 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.97ms. Allocated memory is still 148.9MB. Free memory was 101.3MB in the beginning and 97.7MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:36:34,157 INFO L158 Benchmark]: Boogie Preprocessor took 108.13ms. Allocated memory is still 148.9MB. Free memory was 97.7MB in the beginning and 95.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:36:34,158 INFO L158 Benchmark]: RCFGBuilder took 850.17ms. Allocated memory is still 148.9MB. Free memory was 95.0MB in the beginning and 64.9MB in the end (delta: 30.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-21 18:36:34,162 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 100.7MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1514.78ms. Allocated memory is still 148.9MB. Free memory was 116.2MB in the beginning and 101.3MB in the end (delta: 14.9MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.97ms. Allocated memory is still 148.9MB. Free memory was 101.3MB in the beginning and 97.7MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 108.13ms. Allocated memory is still 148.9MB. Free memory was 97.7MB in the beginning and 95.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 850.17ms. Allocated memory is still 148.9MB. Free memory was 95.0MB in the beginning and 64.9MB in the end (delta: 30.1MB). Peak memory consumption was 31.5MB. 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: call my_drv_disconnect_#t~mem18#1 := read~int(my_drv_disconnect_~data#1.base, 24 + my_drv_disconnect_~data#1.offset, 4);). 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: call my_drv_disconnect_#t~mem18#1 := read~int(my_drv_disconnect_~data#1.base, 24 + my_drv_disconnect_~data#1.offset, 4);). 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:355) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:36:34,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608b1a24-4b43-4dff-86f1-d419bd72cd0f/bin/ukojak-verify-i0I2FZA1j2/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608b1a24-4b43-4dff-86f1-d419bd72cd0f/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608b1a24-4b43-4dff-86f1-d419bd72cd0f/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608b1a24-4b43-4dff-86f1-d419bd72cd0f/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608b1a24-4b43-4dff-86f1-d419bd72cd0f/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608b1a24-4b43-4dff-86f1-d419bd72cd0f/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608b1a24-4b43-4dff-86f1-d419bd72cd0f/bin/ukojak-verify-i0I2FZA1j2 --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 c62a6a6ca02e763ce9adebe2a1f0301f133cb0abc0bbd9fb473585b57a9c78f2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:36:37,491 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:36:37,647 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608b1a24-4b43-4dff-86f1-d419bd72cd0f/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:36:37,701 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:36:37,703 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:36:37,704 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:36:37,705 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:36:37,705 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:36:37,707 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:36:37,712 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:36:37,712 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:36:37,713 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:36:37,713 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:36:37,715 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:36:37,716 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:36:37,716 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:36:37,717 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:36:37,717 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:36:37,718 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:36:37,719 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:36:37,719 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:36:37,720 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:36:37,720 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:36:37,721 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:36:37,721 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:36:37,722 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:36:37,722 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:36:37,723 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:36:37,723 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:36:37,723 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:36:37,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:36:37,725 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:36:37,726 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:36:37,726 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:36:37,727 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:36:37,727 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:36:37,727 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:36:37,727 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:36:37,728 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:36:37,729 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_608b1a24-4b43-4dff-86f1-d419bd72cd0f/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608b1a24-4b43-4dff-86f1-d419bd72cd0f/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c62a6a6ca02e763ce9adebe2a1f0301f133cb0abc0bbd9fb473585b57a9c78f2 [2023-11-21 18:36:38,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:36:38,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:36:38,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:36:38,285 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:36:38,286 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:36:38,288 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608b1a24-4b43-4dff-86f1-d419bd72cd0f/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2023-11-21 18:36:41,718 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:36:42,274 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:36:42,275 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608b1a24-4b43-4dff-86f1-d419bd72cd0f/sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2023-11-21 18:36:42,300 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608b1a24-4b43-4dff-86f1-d419bd72cd0f/bin/ukojak-verify-i0I2FZA1j2/data/46c689cf9/c174fa9354734902a1793a9a070b0291/FLAG717d474c4 [2023-11-21 18:36:42,317 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608b1a24-4b43-4dff-86f1-d419bd72cd0f/bin/ukojak-verify-i0I2FZA1j2/data/46c689cf9/c174fa9354734902a1793a9a070b0291 [2023-11-21 18:36:42,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:36:42,322 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:36:42,324 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:36:42,324 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:36:42,330 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:36:42,331 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:36:42" (1/1) ... [2023-11-21 18:36:42,332 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ff77ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:42, skipping insertion in model container [2023-11-21 18:36:42,333 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:36:42" (1/1) ... [2023-11-21 18:36:42,427 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:36:42,670 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:36:43,691 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:36:43,708 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-21 18:36:43,725 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:36:43,728 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:36:43,814 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:36:43,830 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:36:43,843 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:36:43,949 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:36:44,105 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:36:44,105 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:36:44,105 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:36:44,113 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:36:44,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:44 WrapperNode [2023-11-21 18:36:44,114 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:36:44,115 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:36:44,116 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:36:44,116 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:36:44,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:44" (1/1) ... [2023-11-21 18:36:44,164 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:44" (1/1) ... [2023-11-21 18:36:44,199 INFO L138 Inliner]: procedures = 474, calls = 65, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 115 [2023-11-21 18:36:44,200 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:36:44,201 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:36:44,201 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:36:44,201 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:36:44,213 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:44" (1/1) ... [2023-11-21 18:36:44,213 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:44" (1/1) ... [2023-11-21 18:36:44,228 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:44" (1/1) ... [2023-11-21 18:36:44,229 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:44" (1/1) ... [2023-11-21 18:36:44,282 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:44" (1/1) ... [2023-11-21 18:36:44,284 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:44" (1/1) ... [2023-11-21 18:36:44,309 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:44" (1/1) ... [2023-11-21 18:36:44,313 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:44" (1/1) ... [2023-11-21 18:36:44,321 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:36:44,322 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:36:44,323 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:36:44,323 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:36:44,324 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:44" (1/1) ... [2023-11-21 18:36:44,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:36:44,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608b1a24-4b43-4dff-86f1-d419bd72cd0f/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:36:44,358 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608b1a24-4b43-4dff-86f1-d419bd72cd0f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:36:44,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608b1a24-4b43-4dff-86f1-d419bd72cd0f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:36:44,421 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:36:44,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:36:44,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:36:44,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-21 18:36:44,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:36:44,422 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-21 18:36:44,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:36:44,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:36:44,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-21 18:36:44,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-21 18:36:44,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:36:44,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:36:44,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:36:44,424 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-11-21 18:36:44,424 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-11-21 18:36:44,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:36:44,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:36:44,425 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-21 18:36:44,426 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:36:44,816 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:36:44,819 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:36:45,405 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:36:45,558 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: call my_drv_disconnect_#t~mem18#1 := read~intINTTYPE4(my_drv_disconnect_~data#1.base, ~bvadd~32(24bv32, my_drv_disconnect_~data#1.offset), 4bv32);). 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:355) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:295) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-21 18:36:45,567 INFO L158 Benchmark]: Toolchain (without parser) took 3243.15ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 54.1MB in the beginning and 56.5MB in the end (delta: -2.4MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. [2023-11-21 18:36:45,567 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 81.8MB. Free memory is still 57.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:36:45,568 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1790.78ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 53.9MB in the beginning and 52.0MB in the end (delta: 1.9MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2023-11-21 18:36:45,569 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.73ms. Allocated memory is still 104.9MB. Free memory was 52.0MB in the beginning and 48.4MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:36:45,571 INFO L158 Benchmark]: Boogie Preprocessor took 120.65ms. Allocated memory is still 104.9MB. Free memory was 48.4MB in the beginning and 72.1MB in the end (delta: -23.7MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2023-11-21 18:36:45,572 INFO L158 Benchmark]: RCFGBuilder took 1242.01ms. Allocated memory is still 104.9MB. Free memory was 72.1MB in the beginning and 56.5MB in the end (delta: 15.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-21 18:36:45,582 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 81.8MB. Free memory is still 57.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1790.78ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 53.9MB in the beginning and 52.0MB in the end (delta: 1.9MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.73ms. Allocated memory is still 104.9MB. Free memory was 52.0MB in the beginning and 48.4MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 120.65ms. Allocated memory is still 104.9MB. Free memory was 48.4MB in the beginning and 72.1MB in the end (delta: -23.7MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * RCFGBuilder took 1242.01ms. Allocated memory is still 104.9MB. Free memory was 72.1MB in the beginning and 56.5MB in the end (delta: 15.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: call my_drv_disconnect_#t~mem18#1 := read~intINTTYPE4(my_drv_disconnect_~data#1.base, ~bvadd~32(24bv32, my_drv_disconnect_~data#1.offset), 4bv32);). 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: call my_drv_disconnect_#t~mem18#1 := read~intINTTYPE4(my_drv_disconnect_~data#1.base, ~bvadd~32(24bv32, my_drv_disconnect_~data#1.offset), 4bv32);). 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:355) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:36:45,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_608b1a24-4b43-4dff-86f1-d419bd72cd0f/bin/ukojak-verify-i0I2FZA1j2/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 start of atomic block: call my_drv_disconnect_#t~mem18#1 := read~intINTTYPE4(my_drv_disconnect_~data#1.base, ~bvadd~32(24bv32, my_drv_disconnect_~data#1.offset), 4bv32);). Is there illegal control flow (e.g. loops) within an atomic block?