./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_48c71451-4fcb-49a4-a1a5-d37af6370a9b/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c71451-4fcb-49a4-a1a5-d37af6370a9b/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c71451-4fcb-49a4-a1a5-d37af6370a9b/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c71451-4fcb-49a4-a1a5-d37af6370a9b/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c71451-4fcb-49a4-a1a5-d37af6370a9b/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c71451-4fcb-49a4-a1a5-d37af6370a9b/bin/ukojak-verify-1t5iHCbJaC --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 7f7f7b6ea5abe354543dc816b244a5041021350ff4076c6fd52a8208b97eac31 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:25:51,703 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:25:51,821 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c71451-4fcb-49a4-a1a5-d37af6370a9b/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:25:51,830 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:25:51,831 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:25:51,895 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:25:51,899 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:25:51,900 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:25:51,901 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:25:51,906 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:25:51,907 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:25:51,908 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:25:51,908 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:25:51,910 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:25:51,911 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:25:51,911 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:25:51,912 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:25:51,912 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:25:51,913 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:25:51,913 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:25:51,914 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:25:51,914 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:25:51,915 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:25:51,915 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:25:51,916 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:25:51,917 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:25:51,917 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:25:51,918 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:25:51,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:25:51,919 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:25:51,920 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:25:51,920 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:25:51,921 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:25:51,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:25:51,921 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:25:51,922 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_48c71451-4fcb-49a4-a1a5-d37af6370a9b/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c71451-4fcb-49a4-a1a5-d37af6370a9b/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f7f7b6ea5abe354543dc816b244a5041021350ff4076c6fd52a8208b97eac31 [2023-11-23 20:25:52,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:25:52,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:25:52,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:25:52,339 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:25:52,340 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:25:52,341 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c71451-4fcb-49a4-a1a5-d37af6370a9b/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2023-11-23 20:25:55,384 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:25:55,799 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:25:55,801 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c71451-4fcb-49a4-a1a5-d37af6370a9b/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2023-11-23 20:25:55,823 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c71451-4fcb-49a4-a1a5-d37af6370a9b/bin/ukojak-verify-1t5iHCbJaC/data/37381ee85/8bc32c3a8e034fe9974b686906a5fb47/FLAGdb426291a [2023-11-23 20:25:55,841 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c71451-4fcb-49a4-a1a5-d37af6370a9b/bin/ukojak-verify-1t5iHCbJaC/data/37381ee85/8bc32c3a8e034fe9974b686906a5fb47 [2023-11-23 20:25:55,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:25:55,848 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:25:55,853 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:25:55,854 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:25:55,860 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:25:55,860 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:25:55" (1/1) ... [2023-11-23 20:25:55,862 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35dde938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:55, skipping insertion in model container [2023-11-23 20:25:55,862 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:25:55" (1/1) ... [2023-11-23 20:25:55,932 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:25:56,387 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:25:56,403 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:25:56,499 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:25:56,553 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:25:56,554 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:25:56,562 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:25:56,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:56 WrapperNode [2023-11-23 20:25:56,563 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:25:56,565 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:25:56,565 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:25:56,565 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:25:56,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:56" (1/1) ... [2023-11-23 20:25:56,615 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:56" (1/1) ... [2023-11-23 20:25:56,654 INFO L138 Inliner]: procedures = 179, calls = 50, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 162 [2023-11-23 20:25:56,654 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:25:56,655 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:25:56,655 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:25:56,655 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:25:56,665 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:56" (1/1) ... [2023-11-23 20:25:56,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:56" (1/1) ... [2023-11-23 20:25:56,680 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:56" (1/1) ... [2023-11-23 20:25:56,680 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:56" (1/1) ... [2023-11-23 20:25:56,687 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:56" (1/1) ... [2023-11-23 20:25:56,691 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:56" (1/1) ... [2023-11-23 20:25:56,710 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:56" (1/1) ... [2023-11-23 20:25:56,712 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:56" (1/1) ... [2023-11-23 20:25:56,716 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:25:56,717 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:25:56,717 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:25:56,717 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:25:56,718 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:56" (1/1) ... [2023-11-23 20:25:56,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:25:56,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c71451-4fcb-49a4-a1a5-d37af6370a9b/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:25:56,765 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c71451-4fcb-49a4-a1a5-d37af6370a9b/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:25:56,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c71451-4fcb-49a4-a1a5-d37af6370a9b/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:25:56,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:25:56,806 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-23 20:25:56,806 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-23 20:25:56,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:25:56,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2023-11-23 20:25:56,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2023-11-23 20:25:56,807 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:25:56,807 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:25:56,808 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:25:56,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:25:56,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:25:56,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:25:56,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:25:56,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:25:56,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-11-23 20:25:56,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-11-23 20:25:56,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:25:56,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:25:56,811 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:25:56,965 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:25:56,968 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:25:57,354 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:25:57,466 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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) [2023-11-23 20:25:57,470 INFO L158 Benchmark]: Toolchain (without parser) took 1621.59ms. Allocated memory is still 167.8MB. Free memory was 135.5MB in the beginning and 80.7MB in the end (delta: 54.7MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2023-11-23 20:25:57,471 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 130.0MB. Free memory was 102.7MB in the beginning and 102.6MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:25:57,472 INFO L158 Benchmark]: CACSL2BoogieTranslator took 710.26ms. Allocated memory is still 167.8MB. Free memory was 134.9MB in the beginning and 114.5MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-23 20:25:57,473 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.73ms. Allocated memory is still 167.8MB. Free memory was 114.5MB in the beginning and 111.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:25:57,473 INFO L158 Benchmark]: Boogie Preprocessor took 61.14ms. Allocated memory is still 167.8MB. Free memory was 111.8MB in the beginning and 110.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:25:57,474 INFO L158 Benchmark]: RCFGBuilder took 751.84ms. Allocated memory is still 167.8MB. Free memory was 109.7MB in the beginning and 80.7MB in the end (delta: 29.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-23 20:25:57,477 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 130.0MB. Free memory was 102.7MB in the beginning and 102.6MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 710.26ms. Allocated memory is still 167.8MB. Free memory was 134.9MB in the beginning and 114.5MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.73ms. Allocated memory is still 167.8MB. Free memory was 114.5MB in the beginning and 111.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.14ms. Allocated memory is still 167.8MB. Free memory was 111.8MB in the beginning and 110.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 751.84ms. Allocated memory is still 167.8MB. Free memory was 109.7MB in the beginning and 80.7MB in the end (delta: 29.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:25:57,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c71451-4fcb-49a4-a1a5-d37af6370a9b/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c71451-4fcb-49a4-a1a5-d37af6370a9b/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c71451-4fcb-49a4-a1a5-d37af6370a9b/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c71451-4fcb-49a4-a1a5-d37af6370a9b/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c71451-4fcb-49a4-a1a5-d37af6370a9b/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c71451-4fcb-49a4-a1a5-d37af6370a9b/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c71451-4fcb-49a4-a1a5-d37af6370a9b/bin/ukojak-verify-1t5iHCbJaC --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 7f7f7b6ea5abe354543dc816b244a5041021350ff4076c6fd52a8208b97eac31 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:26:00,188 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:26:00,286 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c71451-4fcb-49a4-a1a5-d37af6370a9b/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 20:26:00,329 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:26:00,330 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:26:00,330 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:26:00,331 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:26:00,332 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:26:00,333 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:26:00,333 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:26:00,334 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:26:00,334 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:26:00,335 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:26:00,335 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:26:00,336 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:26:00,336 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:26:00,337 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:26:00,340 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:26:00,340 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:26:00,341 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:26:00,341 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:26:00,342 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:26:00,342 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:26:00,342 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:26:00,343 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:26:00,343 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:26:00,344 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:26:00,344 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:26:00,345 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:26:00,345 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:26:00,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:26:00,346 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:26:00,346 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:26:00,347 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:26:00,347 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:26:00,347 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:26:00,347 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:26:00,348 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:26:00,348 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:26:00,348 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_48c71451-4fcb-49a4-a1a5-d37af6370a9b/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c71451-4fcb-49a4-a1a5-d37af6370a9b/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f7f7b6ea5abe354543dc816b244a5041021350ff4076c6fd52a8208b97eac31 [2023-11-23 20:26:00,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:26:00,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:26:00,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:26:00,821 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:26:00,822 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:26:00,824 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c71451-4fcb-49a4-a1a5-d37af6370a9b/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2023-11-23 20:26:04,069 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:26:04,383 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:26:04,383 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c71451-4fcb-49a4-a1a5-d37af6370a9b/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2023-11-23 20:26:04,403 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c71451-4fcb-49a4-a1a5-d37af6370a9b/bin/ukojak-verify-1t5iHCbJaC/data/aee93fbcb/aa1bfc5537724ebab851e8e678b918d6/FLAGe159c74ec [2023-11-23 20:26:04,418 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c71451-4fcb-49a4-a1a5-d37af6370a9b/bin/ukojak-verify-1t5iHCbJaC/data/aee93fbcb/aa1bfc5537724ebab851e8e678b918d6 [2023-11-23 20:26:04,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:26:04,422 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:26:04,424 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:26:04,424 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:26:04,429 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:26:04,430 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:26:04" (1/1) ... [2023-11-23 20:26:04,431 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17837d93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:04, skipping insertion in model container [2023-11-23 20:26:04,431 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:26:04" (1/1) ... [2023-11-23 20:26:04,477 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:26:04,938 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:26:04,966 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:26:05,067 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:26:05,176 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:26:05,176 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:26:05,184 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:26:05,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:05 WrapperNode [2023-11-23 20:26:05,196 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:26:05,197 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:26:05,197 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:26:05,197 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:26:05,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:05" (1/1) ... [2023-11-23 20:26:05,249 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:05" (1/1) ... [2023-11-23 20:26:05,290 INFO L138 Inliner]: procedures = 183, calls = 50, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 159 [2023-11-23 20:26:05,291 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:26:05,292 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:26:05,292 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:26:05,293 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:26:05,302 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:05" (1/1) ... [2023-11-23 20:26:05,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:05" (1/1) ... [2023-11-23 20:26:05,331 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:05" (1/1) ... [2023-11-23 20:26:05,331 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:05" (1/1) ... [2023-11-23 20:26:05,341 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:05" (1/1) ... [2023-11-23 20:26:05,359 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:05" (1/1) ... [2023-11-23 20:26:05,363 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:05" (1/1) ... [2023-11-23 20:26:05,367 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:05" (1/1) ... [2023-11-23 20:26:05,379 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:26:05,380 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:26:05,380 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:26:05,380 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:26:05,381 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:05" (1/1) ... [2023-11-23 20:26:05,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:26:05,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c71451-4fcb-49a4-a1a5-d37af6370a9b/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:26:05,414 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c71451-4fcb-49a4-a1a5-d37af6370a9b/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:26:05,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c71451-4fcb-49a4-a1a5-d37af6370a9b/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:26:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:26:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-23 20:26:05,457 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-23 20:26:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2023-11-23 20:26:05,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2023-11-23 20:26:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:26:05,458 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:26:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:26:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:26:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:26:05,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:26:05,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:26:05,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:26:05,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-23 20:26:05,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:26:05,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-11-23 20:26:05,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-11-23 20:26:05,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:26:05,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:26:05,461 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:26:05,702 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:26:05,705 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:26:06,089 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:26:06,204 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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) [2023-11-23 20:26:06,209 INFO L158 Benchmark]: Toolchain (without parser) took 1785.67ms. Allocated memory is still 94.4MB. Free memory was 69.4MB in the beginning and 64.5MB in the end (delta: 4.9MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2023-11-23 20:26:06,209 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 67.1MB. Free memory was 43.5MB in the beginning and 43.4MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:26:06,210 INFO L158 Benchmark]: CACSL2BoogieTranslator took 772.23ms. Allocated memory is still 94.4MB. Free memory was 69.2MB in the beginning and 68.6MB in the end (delta: 567.3kB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2023-11-23 20:26:06,211 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.90ms. Allocated memory is still 94.4MB. Free memory was 68.6MB in the beginning and 66.2MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:26:06,211 INFO L158 Benchmark]: Boogie Preprocessor took 87.41ms. Allocated memory is still 94.4MB. Free memory was 66.2MB in the beginning and 63.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:26:06,212 INFO L158 Benchmark]: RCFGBuilder took 827.32ms. Allocated memory is still 94.4MB. Free memory was 63.7MB in the beginning and 64.5MB in the end (delta: -884.6kB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2023-11-23 20:26:06,215 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 67.1MB. Free memory was 43.5MB in the beginning and 43.4MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 772.23ms. Allocated memory is still 94.4MB. Free memory was 69.2MB in the beginning and 68.6MB in the end (delta: 567.3kB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.90ms. Allocated memory is still 94.4MB. Free memory was 68.6MB in the beginning and 66.2MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 87.41ms. Allocated memory is still 94.4MB. Free memory was 66.2MB in the beginning and 63.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 827.32ms. Allocated memory is still 94.4MB. Free memory was 63.7MB in the beginning and 64.5MB in the end (delta: -884.6kB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:26:06,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c71451-4fcb-49a4-a1a5-d37af6370a9b/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?