./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e846e-b151-40fe-96c7-933f7a24d689/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e846e-b151-40fe-96c7-933f7a24d689/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_425e846e-b151-40fe-96c7-933f7a24d689/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e846e-b151-40fe-96c7-933f7a24d689/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e846e-b151-40fe-96c7-933f7a24d689/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_425e846e-b151-40fe-96c7-933f7a24d689/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 cb8c1938cc441082517c5681097f5f6483a36107a8ec46d723b101297930909d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:58:14,769 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:58:14,893 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e846e-b151-40fe-96c7-933f7a24d689/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:58:14,905 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:58:14,906 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:58:14,941 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:58:14,942 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:58:14,943 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:58:14,944 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:58:14,949 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:58:14,950 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:58:14,950 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:58:14,951 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:58:14,953 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:58:14,953 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:58:14,954 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:58:14,954 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:58:14,954 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:58:14,955 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:58:14,955 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:58:14,956 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:58:14,956 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:58:14,957 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:58:14,957 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:58:14,958 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:58:14,958 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:58:14,959 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:58:14,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:58:14,960 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:58:14,960 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:58:14,962 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:58:14,962 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:58:14,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:58:14,963 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:58:14,963 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_425e846e-b151-40fe-96c7-933f7a24d689/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e846e-b151-40fe-96c7-933f7a24d689/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb8c1938cc441082517c5681097f5f6483a36107a8ec46d723b101297930909d [2023-11-11 23:58:15,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:58:15,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:58:15,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:58:15,336 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:58:15,337 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:58:15,338 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e846e-b151-40fe-96c7-933f7a24d689/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i [2023-11-11 23:58:18,527 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:58:18,861 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:58:18,862 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e846e-b151-40fe-96c7-933f7a24d689/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i [2023-11-11 23:58:18,880 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e846e-b151-40fe-96c7-933f7a24d689/bin/ukojak-verify-0OAaufAVZV/data/6388d81c4/7d59b982c3f74e1da1501d0b2d486b0f/FLAGc3ad714cf [2023-11-11 23:58:18,897 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e846e-b151-40fe-96c7-933f7a24d689/bin/ukojak-verify-0OAaufAVZV/data/6388d81c4/7d59b982c3f74e1da1501d0b2d486b0f [2023-11-11 23:58:18,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:58:18,902 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:58:18,903 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:58:18,904 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:58:18,909 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:58:18,910 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:58:18" (1/1) ... [2023-11-11 23:58:18,911 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21fb2ff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:18, skipping insertion in model container [2023-11-11 23:58:18,912 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:58:18" (1/1) ... [2023-11-11 23:58:18,961 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:58:19,376 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:58:19,389 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:58:19,434 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:58:19,484 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:58:19,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:19 WrapperNode [2023-11-11 23:58:19,485 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:58:19,486 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:58:19,486 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:58:19,486 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:58:19,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:19" (1/1) ... [2023-11-11 23:58:19,534 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:19" (1/1) ... [2023-11-11 23:58:19,574 INFO L138 Inliner]: procedures = 177, calls = 48, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 160 [2023-11-11 23:58:19,575 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:58:19,575 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:58:19,575 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:58:19,576 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:58:19,586 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:19" (1/1) ... [2023-11-11 23:58:19,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:19" (1/1) ... [2023-11-11 23:58:19,603 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:19" (1/1) ... [2023-11-11 23:58:19,604 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:19" (1/1) ... [2023-11-11 23:58:19,610 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:19" (1/1) ... [2023-11-11 23:58:19,614 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:19" (1/1) ... [2023-11-11 23:58:19,637 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:19" (1/1) ... [2023-11-11 23:58:19,639 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:19" (1/1) ... [2023-11-11 23:58:19,643 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:58:19,643 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:58:19,644 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:58:19,644 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:58:19,645 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:19" (1/1) ... [2023-11-11 23:58:19,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:58:19,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e846e-b151-40fe-96c7-933f7a24d689/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:58:19,708 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e846e-b151-40fe-96c7-933f7a24d689/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:58:19,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e846e-b151-40fe-96c7-933f7a24d689/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:58:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:58:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-11 23:58:19,761 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-11 23:58:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:58:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2023-11-11 23:58:19,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2023-11-11 23:58:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:58:19,763 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:58:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:58:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:58:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:58:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:58:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-11-11 23:58:19,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-11-11 23:58:19,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:58:19,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:58:19,767 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 23:58:19,968 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:58:19,970 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:58:20,325 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:58:20,454 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:58:20,458 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-11 23:58:20,459 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: $Ultimate##0 is neither atomic block end nor a sink node. [2023-11-11 23:58:20,460 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 23:58:20,465 INFO L158 Benchmark]: Toolchain (without parser) took 1562.62ms. Allocated memory is still 165.7MB. Free memory was 120.9MB in the beginning and 88.5MB in the end (delta: 32.4MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2023-11-11 23:58:20,466 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 111.1MB. Free memory was 78.9MB in the beginning and 78.8MB in the end (delta: 99.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:58:20,467 INFO L158 Benchmark]: CACSL2BoogieTranslator took 581.59ms. Allocated memory is still 165.7MB. Free memory was 120.9MB in the beginning and 122.7MB in the end (delta: -1.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:58:20,468 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.90ms. Allocated memory is still 165.7MB. Free memory was 122.7MB in the beginning and 120.0MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:58:20,468 INFO L158 Benchmark]: Boogie Preprocessor took 67.46ms. Allocated memory is still 165.7MB. Free memory was 120.0MB in the beginning and 118.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:58:20,469 INFO L158 Benchmark]: RCFGBuilder took 820.07ms. Allocated memory is still 165.7MB. Free memory was 118.5MB in the beginning and 88.5MB in the end (delta: 30.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-11 23:58:20,473 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 111.1MB. Free memory was 78.9MB in the beginning and 78.8MB in the end (delta: 99.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 581.59ms. Allocated memory is still 165.7MB. Free memory was 120.9MB in the beginning and 122.7MB in the end (delta: -1.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.90ms. Allocated memory is still 165.7MB. Free memory was 122.7MB in the beginning and 120.0MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.46ms. Allocated memory is still 165.7MB. Free memory was 120.0MB in the beginning and 118.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 820.07ms. Allocated memory is still 165.7MB. Free memory was 118.5MB in the beginning and 88.5MB in the end (delta: 30.0MB). Peak memory consumption was 31.5MB. 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 23:58:20,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e846e-b151-40fe-96c7-933f7a24d689/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e846e-b151-40fe-96c7-933f7a24d689/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e846e-b151-40fe-96c7-933f7a24d689/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_425e846e-b151-40fe-96c7-933f7a24d689/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e846e-b151-40fe-96c7-933f7a24d689/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e846e-b151-40fe-96c7-933f7a24d689/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_425e846e-b151-40fe-96c7-933f7a24d689/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 cb8c1938cc441082517c5681097f5f6483a36107a8ec46d723b101297930909d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:58:23,269 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:58:23,409 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e846e-b151-40fe-96c7-933f7a24d689/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:58:23,464 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:58:23,465 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:58:23,466 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:58:23,467 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:58:23,468 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:58:23,469 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:58:23,474 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:58:23,475 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:58:23,475 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:58:23,476 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:58:23,477 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:58:23,478 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:58:23,478 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:58:23,479 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:58:23,479 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:58:23,480 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:58:23,481 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:58:23,481 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:58:23,482 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:58:23,482 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:58:23,483 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:58:23,483 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:58:23,484 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:58:23,484 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:58:23,484 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:58:23,485 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:58:23,485 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:58:23,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:58:23,487 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:58:23,487 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:58:23,488 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:58:23,488 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:58:23,489 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:58:23,489 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:58:23,489 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:58:23,489 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:58:23,490 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_425e846e-b151-40fe-96c7-933f7a24d689/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e846e-b151-40fe-96c7-933f7a24d689/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb8c1938cc441082517c5681097f5f6483a36107a8ec46d723b101297930909d [2023-11-11 23:58:23,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:58:23,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:58:23,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:58:23,943 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:58:23,943 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:58:23,945 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e846e-b151-40fe-96c7-933f7a24d689/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i [2023-11-11 23:58:27,007 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:58:27,360 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:58:27,363 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e846e-b151-40fe-96c7-933f7a24d689/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i [2023-11-11 23:58:27,388 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e846e-b151-40fe-96c7-933f7a24d689/bin/ukojak-verify-0OAaufAVZV/data/ff1d74e22/8c5bc5724c3c41309b57a41c08de43aa/FLAGa57398ba4 [2023-11-11 23:58:27,414 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e846e-b151-40fe-96c7-933f7a24d689/bin/ukojak-verify-0OAaufAVZV/data/ff1d74e22/8c5bc5724c3c41309b57a41c08de43aa [2023-11-11 23:58:27,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:58:27,422 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:58:27,426 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:58:27,426 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:58:27,432 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:58:27,433 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:58:27" (1/1) ... [2023-11-11 23:58:27,434 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33c133d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:27, skipping insertion in model container [2023-11-11 23:58:27,434 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:58:27" (1/1) ... [2023-11-11 23:58:27,511 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:58:27,957 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:58:27,982 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:58:28,067 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:58:28,129 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:58:28,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:28 WrapperNode [2023-11-11 23:58:28,130 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:58:28,131 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:58:28,131 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:58:28,132 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:58:28,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:28" (1/1) ... [2023-11-11 23:58:28,175 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:28" (1/1) ... [2023-11-11 23:58:28,219 INFO L138 Inliner]: procedures = 181, calls = 48, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 157 [2023-11-11 23:58:28,219 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:58:28,220 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:58:28,221 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:58:28,221 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:58:28,244 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:28" (1/1) ... [2023-11-11 23:58:28,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:28" (1/1) ... [2023-11-11 23:58:28,262 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:28" (1/1) ... [2023-11-11 23:58:28,273 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:28" (1/1) ... [2023-11-11 23:58:28,282 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:28" (1/1) ... [2023-11-11 23:58:28,298 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:28" (1/1) ... [2023-11-11 23:58:28,301 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:28" (1/1) ... [2023-11-11 23:58:28,304 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:28" (1/1) ... [2023-11-11 23:58:28,320 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:58:28,321 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:58:28,321 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:58:28,321 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:58:28,322 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:28" (1/1) ... [2023-11-11 23:58:28,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:58:28,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e846e-b151-40fe-96c7-933f7a24d689/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:58:28,365 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e846e-b151-40fe-96c7-933f7a24d689/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:58:28,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e846e-b151-40fe-96c7-933f7a24d689/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:58:28,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:58:28,418 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-11 23:58:28,418 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-11 23:58:28,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2023-11-11 23:58:28,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2023-11-11 23:58:28,419 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:58:28,420 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:58:28,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:58:28,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:58:28,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:58:28,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:58:28,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:58:28,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-11 23:58:28,421 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-11-11 23:58:28,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-11-11 23:58:28,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:58:28,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:58:28,425 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 23:58:28,663 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:58:28,666 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:58:29,127 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:58:29,297 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:58:29,297 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-11 23:58:29,298 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: $Ultimate##0 is neither atomic block end nor a sink node. [2023-11-11 23:58:29,299 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 23:58:29,303 INFO L158 Benchmark]: Toolchain (without parser) took 1879.96ms. Allocated memory is still 96.5MB. Free memory was 70.6MB in the beginning and 39.6MB in the end (delta: 31.0MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2023-11-11 23:58:29,303 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 67.1MB. Free memory is still 42.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:58:29,304 INFO L158 Benchmark]: CACSL2BoogieTranslator took 704.02ms. Allocated memory is still 96.5MB. Free memory was 70.3MB in the beginning and 48.5MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-11 23:58:29,305 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.46ms. Allocated memory is still 96.5MB. Free memory was 48.5MB in the beginning and 46.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:58:29,305 INFO L158 Benchmark]: Boogie Preprocessor took 99.76ms. Allocated memory is still 96.5MB. Free memory was 46.0MB in the beginning and 72.6MB in the end (delta: -26.5MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2023-11-11 23:58:29,306 INFO L158 Benchmark]: RCFGBuilder took 980.39ms. Allocated memory is still 96.5MB. Free memory was 72.6MB in the beginning and 39.6MB in the end (delta: 33.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-11 23:58:29,309 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 67.1MB. Free memory is still 42.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 704.02ms. Allocated memory is still 96.5MB. Free memory was 70.3MB in the beginning and 48.5MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.46ms. Allocated memory is still 96.5MB. Free memory was 48.5MB in the beginning and 46.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.76ms. Allocated memory is still 96.5MB. Free memory was 46.0MB in the beginning and 72.6MB in the end (delta: -26.5MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * RCFGBuilder took 980.39ms. Allocated memory is still 96.5MB. Free memory was 72.6MB in the beginning and 39.6MB in the end (delta: 33.0MB). Peak memory consumption was 31.5MB. 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 23:58:29,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425e846e-b151-40fe-96c7-933f7a24d689/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?