./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/09_fmaxsym.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_6c80c793-1025-42ec-bb45-a56d44f926da/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c80c793-1025-42ec-bb45-a56d44f926da/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c80c793-1025-42ec-bb45-a56d44f926da/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c80c793-1025-42ec-bb45-a56d44f926da/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/09_fmaxsym.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c80c793-1025-42ec-bb45-a56d44f926da/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c80c793-1025-42ec-bb45-a56d44f926da/bin/ukojak-verify-0OAaufAVZV --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 0bf02669c3dd381b0745ab8dce392518dfe698af15c4a94bd383f1dab20a8c06 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:55:48,677 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:55:48,803 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c80c793-1025-42ec-bb45-a56d44f926da/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:55:48,813 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:55:48,814 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:55:48,857 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:55:48,859 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:55:48,860 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:55:48,861 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:55:48,866 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:55:48,867 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:55:48,867 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:55:48,868 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:55:48,870 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:55:48,870 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:55:48,871 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:55:48,871 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:55:48,871 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:55:48,872 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:55:48,872 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:55:48,873 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:55:48,873 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:55:48,874 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:55:48,874 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:55:48,875 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:55:48,875 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:55:48,876 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:55:48,877 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:48,877 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:55:48,878 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:55:48,879 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:55:48,879 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:55:48,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:55:48,880 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:55:48,880 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_6c80c793-1025-42ec-bb45-a56d44f926da/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c80c793-1025-42ec-bb45-a56d44f926da/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bf02669c3dd381b0745ab8dce392518dfe698af15c4a94bd383f1dab20a8c06 [2023-11-11 23:55:49,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:55:49,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:55:49,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:55:49,244 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:55:49,245 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:55:49,246 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c80c793-1025-42ec-bb45-a56d44f926da/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-ext/09_fmaxsym.i [2023-11-11 23:55:52,384 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:55:52,761 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:55:52,762 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c80c793-1025-42ec-bb45-a56d44f926da/sv-benchmarks/c/pthread-ext/09_fmaxsym.i [2023-11-11 23:55:52,785 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c80c793-1025-42ec-bb45-a56d44f926da/bin/ukojak-verify-0OAaufAVZV/data/9c9c40259/038c0655028f4d6a9a44be6df4a45c4e/FLAG5e763dba4 [2023-11-11 23:55:52,805 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c80c793-1025-42ec-bb45-a56d44f926da/bin/ukojak-verify-0OAaufAVZV/data/9c9c40259/038c0655028f4d6a9a44be6df4a45c4e [2023-11-11 23:55:52,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:55:52,814 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:55:52,818 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:52,818 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:55:52,824 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:55:52,825 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:52" (1/1) ... [2023-11-11 23:55:52,827 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b83de40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:52, skipping insertion in model container [2023-11-11 23:55:52,827 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:52" (1/1) ... [2023-11-11 23:55:52,893 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:55:53,361 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:53,373 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:55:53,417 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:53,474 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:55:53,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:53 WrapperNode [2023-11-11 23:55:53,475 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:53,476 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:53,476 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:55:53,477 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:55:53,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:53" (1/1) ... [2023-11-11 23:55:53,517 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:53" (1/1) ... [2023-11-11 23:55:53,553 INFO L138 Inliner]: procedures = 171, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 75 [2023-11-11 23:55:53,553 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:53,555 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:55:53,555 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:55:53,555 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:55:53,565 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:53" (1/1) ... [2023-11-11 23:55:53,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:53" (1/1) ... [2023-11-11 23:55:53,572 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:53" (1/1) ... [2023-11-11 23:55:53,572 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:53" (1/1) ... [2023-11-11 23:55:53,588 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:53" (1/1) ... [2023-11-11 23:55:53,592 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:53" (1/1) ... [2023-11-11 23:55:53,604 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:53" (1/1) ... [2023-11-11 23:55:53,605 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:53" (1/1) ... [2023-11-11 23:55:53,608 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:55:53,615 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:55:53,616 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:55:53,616 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:55:53,617 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:53" (1/1) ... [2023-11-11 23:55:53,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:53,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c80c793-1025-42ec-bb45-a56d44f926da/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:55:53,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c80c793-1025-42ec-bb45-a56d44f926da/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:55:53,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c80c793-1025-42ec-bb45-a56d44f926da/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:55:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:55:53,693 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-11 23:55:53,694 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-11 23:55:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:55:53,694 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:55:53,695 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:55:53,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:55:53,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:55:53,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:55:53,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:55:53,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:55:53,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:55:53,698 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:55:53,854 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:55:53,856 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:55:54,035 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:55:54,144 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:55:54,145 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-11 23:55:54,146 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L697 is neither atomic block end nor a sink node. [2023-11-11 23:55:54,147 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) 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) [2023-11-11 23:55:54,151 INFO L158 Benchmark]: Toolchain (without parser) took 1335.82ms. Allocated memory is still 167.8MB. Free memory was 133.0MB in the beginning and 91.3MB in the end (delta: 41.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-11 23:55:54,152 INFO L158 Benchmark]: CDTParser took 0.75ms. Allocated memory is still 167.8MB. Free memory was 112.1MB in the beginning and 111.9MB in the end (delta: 211.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:55:54,153 INFO L158 Benchmark]: CACSL2BoogieTranslator took 657.51ms. Allocated memory is still 167.8MB. Free memory was 133.0MB in the beginning and 113.7MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-11 23:55:54,153 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.00ms. Allocated memory is still 167.8MB. Free memory was 113.7MB in the beginning and 111.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:55:54,154 INFO L158 Benchmark]: Boogie Preprocessor took 59.64ms. Allocated memory is still 167.8MB. Free memory was 111.6MB in the beginning and 110.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:55:54,155 INFO L158 Benchmark]: RCFGBuilder took 534.16ms. Allocated memory is still 167.8MB. Free memory was 110.2MB in the beginning and 91.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-11 23:55:54,158 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75ms. Allocated memory is still 167.8MB. Free memory was 112.1MB in the beginning and 111.9MB in the end (delta: 211.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 657.51ms. Allocated memory is still 167.8MB. Free memory was 133.0MB in the beginning and 113.7MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.00ms. Allocated memory is still 167.8MB. Free memory was 113.7MB in the beginning and 111.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.64ms. Allocated memory is still 167.8MB. Free memory was 111.6MB in the beginning and 110.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 534.16ms. Allocated memory is still 167.8MB. Free memory was 110.2MB in the beginning and 91.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:55:54,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c80c793-1025-42ec-bb45-a56d44f926da/bin/ukojak-verify-0OAaufAVZV/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_6c80c793-1025-42ec-bb45-a56d44f926da/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c80c793-1025-42ec-bb45-a56d44f926da/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c80c793-1025-42ec-bb45-a56d44f926da/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c80c793-1025-42ec-bb45-a56d44f926da/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/09_fmaxsym.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c80c793-1025-42ec-bb45-a56d44f926da/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c80c793-1025-42ec-bb45-a56d44f926da/bin/ukojak-verify-0OAaufAVZV --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 0bf02669c3dd381b0745ab8dce392518dfe698af15c4a94bd383f1dab20a8c06 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:55:56,988 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:55:57,140 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c80c793-1025-42ec-bb45-a56d44f926da/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:55:57,202 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:55:57,203 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:55:57,204 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:55:57,205 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:55:57,206 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:55:57,207 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:55:57,212 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:55:57,213 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:55:57,213 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:55:57,213 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:55:57,215 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:55:57,216 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:55:57,216 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:55:57,217 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:55:57,217 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:55:57,218 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:55:57,218 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:55:57,218 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:55:57,219 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:55:57,219 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:55:57,220 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:55:57,220 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:55:57,221 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:55:57,221 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:55:57,221 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:55:57,222 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:55:57,222 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:55:57,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:57,224 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:55:57,224 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:55:57,225 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:55:57,225 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:55:57,225 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:55:57,225 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:55:57,226 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:55:57,226 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:55:57,227 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_6c80c793-1025-42ec-bb45-a56d44f926da/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c80c793-1025-42ec-bb45-a56d44f926da/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bf02669c3dd381b0745ab8dce392518dfe698af15c4a94bd383f1dab20a8c06 [2023-11-11 23:55:57,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:55:57,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:55:57,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:55:57,714 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:55:57,715 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:55:57,717 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c80c793-1025-42ec-bb45-a56d44f926da/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-ext/09_fmaxsym.i [2023-11-11 23:56:01,051 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:56:01,470 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:56:01,470 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c80c793-1025-42ec-bb45-a56d44f926da/sv-benchmarks/c/pthread-ext/09_fmaxsym.i [2023-11-11 23:56:01,498 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c80c793-1025-42ec-bb45-a56d44f926da/bin/ukojak-verify-0OAaufAVZV/data/a8fc775ba/3e98fdcfcefb4be78289d278400fd2c5/FLAG8fde5c9f6 [2023-11-11 23:56:01,524 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c80c793-1025-42ec-bb45-a56d44f926da/bin/ukojak-verify-0OAaufAVZV/data/a8fc775ba/3e98fdcfcefb4be78289d278400fd2c5 [2023-11-11 23:56:01,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:56:01,534 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:56:01,538 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:56:01,539 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:56:01,546 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:56:01,547 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:56:01" (1/1) ... [2023-11-11 23:56:01,548 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4be7ea4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:01, skipping insertion in model container [2023-11-11 23:56:01,549 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:56:01" (1/1) ... [2023-11-11 23:56:01,640 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:56:02,184 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:56:02,205 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:56:02,280 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:56:02,363 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:56:02,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:02 WrapperNode [2023-11-11 23:56:02,364 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:56:02,365 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:56:02,366 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:56:02,366 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:56:02,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:02" (1/1) ... [2023-11-11 23:56:02,404 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:02" (1/1) ... [2023-11-11 23:56:02,446 INFO L138 Inliner]: procedures = 175, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 75 [2023-11-11 23:56:02,446 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:56:02,447 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:56:02,447 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:56:02,448 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:56:02,459 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:02" (1/1) ... [2023-11-11 23:56:02,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:02" (1/1) ... [2023-11-11 23:56:02,464 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:02" (1/1) ... [2023-11-11 23:56:02,465 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:02" (1/1) ... [2023-11-11 23:56:02,477 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:02" (1/1) ... [2023-11-11 23:56:02,481 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:02" (1/1) ... [2023-11-11 23:56:02,485 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:02" (1/1) ... [2023-11-11 23:56:02,487 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:02" (1/1) ... [2023-11-11 23:56:02,493 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:56:02,494 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:56:02,494 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:56:02,494 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:56:02,495 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:02" (1/1) ... [2023-11-11 23:56:02,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:56:02,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c80c793-1025-42ec-bb45-a56d44f926da/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:56:02,538 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c80c793-1025-42ec-bb45-a56d44f926da/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:56:02,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c80c793-1025-42ec-bb45-a56d44f926da/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:56:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:56:02,591 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-11 23:56:02,592 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-11 23:56:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:56:02,592 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:56:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:56:02,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:56:02,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:56:02,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:56:02,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:56:02,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-11 23:56:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:56:02,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:56:02,595 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:56:02,812 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:56:02,816 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:56:03,146 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:56:03,340 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:56:03,341 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-11 23:56:03,341 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L697 is neither atomic block end nor a sink node. [2023-11-11 23:56:03,342 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) 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) [2023-11-11 23:56:03,353 INFO L158 Benchmark]: Toolchain (without parser) took 1818.27ms. Allocated memory is still 81.8MB. Free memory was 56.2MB in the beginning and 54.8MB in the end (delta: 1.4MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2023-11-11 23:56:03,354 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 56.6MB. Free memory is still 32.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:56:03,355 INFO L158 Benchmark]: CACSL2BoogieTranslator took 826.03ms. Allocated memory is still 81.8MB. Free memory was 56.0MB in the beginning and 54.8MB in the end (delta: 1.2MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2023-11-11 23:56:03,356 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.13ms. Allocated memory is still 81.8MB. Free memory was 54.8MB in the beginning and 52.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:56:03,358 INFO L158 Benchmark]: Boogie Preprocessor took 45.66ms. Allocated memory is still 81.8MB. Free memory was 52.7MB in the beginning and 50.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:56:03,359 INFO L158 Benchmark]: RCFGBuilder took 857.33ms. Allocated memory is still 81.8MB. Free memory was 50.6MB in the beginning and 54.8MB in the end (delta: -4.2MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2023-11-11 23:56:03,364 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 56.6MB. Free memory is still 32.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 826.03ms. Allocated memory is still 81.8MB. Free memory was 56.0MB in the beginning and 54.8MB in the end (delta: 1.2MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.13ms. Allocated memory is still 81.8MB. Free memory was 54.8MB in the beginning and 52.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.66ms. Allocated memory is still 81.8MB. Free memory was 52.7MB in the beginning and 50.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 857.33ms. Allocated memory is still 81.8MB. Free memory was 50.6MB in the beginning and 54.8MB in the end (delta: -4.2MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:56:03,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c80c793-1025-42ec-bb45-a56d44f926da/bin/ukojak-verify-0OAaufAVZV/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: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?