./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dc3a6a-5efb-4345-83aa-8dfc8f8b56cf/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dc3a6a-5efb-4345-83aa-8dfc8f8b56cf/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dc3a6a-5efb-4345-83aa-8dfc8f8b56cf/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dc3a6a-5efb-4345-83aa-8dfc8f8b56cf/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dc3a6a-5efb-4345-83aa-8dfc8f8b56cf/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dc3a6a-5efb-4345-83aa-8dfc8f8b56cf/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 67ced8cbf918778cce3ae5cae291c50696df3950945fdf68713903c29ac269e1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:15:32,039 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:15:32,168 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dc3a6a-5efb-4345-83aa-8dfc8f8b56cf/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:15:32,175 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:15:32,176 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:15:32,217 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:15:32,218 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:15:32,218 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:15:32,220 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:15:32,225 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:15:32,225 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:15:32,226 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:15:32,226 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:15:32,228 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:15:32,229 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:15:32,229 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:15:32,230 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:15:32,230 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:15:32,230 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:15:32,231 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:15:32,231 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:15:32,232 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:15:32,233 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:15:32,233 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:15:32,234 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:15:32,234 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:15:32,235 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:15:32,235 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:15:32,236 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:15:32,236 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:15:32,237 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:15:32,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:15:32,238 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:15:32,238 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_d0dc3a6a-5efb-4345-83aa-8dfc8f8b56cf/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dc3a6a-5efb-4345-83aa-8dfc8f8b56cf/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67ced8cbf918778cce3ae5cae291c50696df3950945fdf68713903c29ac269e1 [2023-11-24 22:15:32,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:15:32,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:15:32,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:15:32,602 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:15:32,603 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:15:32,604 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dc3a6a-5efb-4345-83aa-8dfc8f8b56cf/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c [2023-11-24 22:15:35,892 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:15:36,150 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:15:36,151 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dc3a6a-5efb-4345-83aa-8dfc8f8b56cf/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c [2023-11-24 22:15:36,164 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dc3a6a-5efb-4345-83aa-8dfc8f8b56cf/bin/ukojak-verify-afCqCEvfdi/data/70c542747/be7827df310341a092d291e655198378/FLAG83ec4320b [2023-11-24 22:15:36,186 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dc3a6a-5efb-4345-83aa-8dfc8f8b56cf/bin/ukojak-verify-afCqCEvfdi/data/70c542747/be7827df310341a092d291e655198378 [2023-11-24 22:15:36,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:15:36,195 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:15:36,199 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:15:36,200 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:15:36,205 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:15:36,206 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:36" (1/1) ... [2023-11-24 22:15:36,208 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61ead860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:36, skipping insertion in model container [2023-11-24 22:15:36,208 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:36" (1/1) ... [2023-11-24 22:15:36,244 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:15:36,443 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dc3a6a-5efb-4345-83aa-8dfc8f8b56cf/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c[3071,3084] [2023-11-24 22:15:36,454 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:15:36,465 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:15:36,494 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dc3a6a-5efb-4345-83aa-8dfc8f8b56cf/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c[3071,3084] [2023-11-24 22:15:36,498 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:15:36,507 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:15:36,508 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:15:36,516 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:15:36,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:36 WrapperNode [2023-11-24 22:15:36,517 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:15:36,518 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:15:36,518 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:15:36,518 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:15:36,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:36" (1/1) ... [2023-11-24 22:15:36,551 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:36" (1/1) ... [2023-11-24 22:15:36,591 INFO L138 Inliner]: procedures = 26, calls = 63, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 104 [2023-11-24 22:15:36,592 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:15:36,593 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:15:36,594 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:15:36,594 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:15:36,605 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:36" (1/1) ... [2023-11-24 22:15:36,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:36" (1/1) ... [2023-11-24 22:15:36,621 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:36" (1/1) ... [2023-11-24 22:15:36,627 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:36" (1/1) ... [2023-11-24 22:15:36,636 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:36" (1/1) ... [2023-11-24 22:15:36,653 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:36" (1/1) ... [2023-11-24 22:15:36,655 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:36" (1/1) ... [2023-11-24 22:15:36,657 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:36" (1/1) ... [2023-11-24 22:15:36,661 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:15:36,662 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:15:36,662 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:15:36,662 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:15:36,663 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:36" (1/1) ... [2023-11-24 22:15:36,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:15:36,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dc3a6a-5efb-4345-83aa-8dfc8f8b56cf/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:15:36,702 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dc3a6a-5efb-4345-83aa-8dfc8f8b56cf/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:15:36,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dc3a6a-5efb-4345-83aa-8dfc8f8b56cf/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:15:36,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:15:36,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:15:36,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:15:36,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:15:36,760 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 22:15:36,761 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 22:15:36,761 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 22:15:36,762 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 22:15:36,762 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-24 22:15:36,762 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-24 22:15:36,762 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-24 22:15:36,762 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-24 22:15:36,763 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:15:36,763 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:15:36,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:15:36,763 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:15:36,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:15:36,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:15:36,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:15:36,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:15:36,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:15:36,767 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:15:36,917 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:15:36,920 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:15:37,304 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:15:37,514 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: call #t~mem12 := read~int(~A~0.base, ~A~0.offset + 4 * ~i~2, 4);). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java: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) [2023-11-24 22:15:37,519 INFO L158 Benchmark]: Toolchain (without parser) took 1322.78ms. Allocated memory is still 199.2MB. Free memory was 159.4MB in the beginning and 113.3MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-24 22:15:37,520 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 146.8MB. Free memory was 90.0MB in the beginning and 89.8MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:15:37,521 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.77ms. Allocated memory is still 199.2MB. Free memory was 159.4MB in the beginning and 146.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:15:37,522 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.92ms. Allocated memory is still 199.2MB. Free memory was 146.7MB in the beginning and 144.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:15:37,523 INFO L158 Benchmark]: Boogie Preprocessor took 67.68ms. Allocated memory is still 199.2MB. Free memory was 144.7MB in the beginning and 143.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:15:37,524 INFO L158 Benchmark]: RCFGBuilder took 855.22ms. Allocated memory is still 199.2MB. Free memory was 143.4MB in the beginning and 113.3MB in the end (delta: 30.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-24 22:15:37,528 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 146.8MB. Free memory was 90.0MB in the beginning and 89.8MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.77ms. Allocated memory is still 199.2MB. Free memory was 159.4MB in the beginning and 146.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.92ms. Allocated memory is still 199.2MB. Free memory was 146.7MB in the beginning and 144.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.68ms. Allocated memory is still 199.2MB. Free memory was 144.7MB in the beginning and 143.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 855.22ms. Allocated memory is still 199.2MB. Free memory was 143.4MB in the beginning and 113.3MB in the end (delta: 30.2MB). 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: call #t~mem12 := read~int(~A~0.base, ~A~0.offset + 4 * ~i~2, 4);). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: call #t~mem12 := read~int(~A~0.base, ~A~0.offset + 4 * ~i~2, 4);). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:15:37,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dc3a6a-5efb-4345-83aa-8dfc8f8b56cf/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dc3a6a-5efb-4345-83aa-8dfc8f8b56cf/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dc3a6a-5efb-4345-83aa-8dfc8f8b56cf/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dc3a6a-5efb-4345-83aa-8dfc8f8b56cf/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dc3a6a-5efb-4345-83aa-8dfc8f8b56cf/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dc3a6a-5efb-4345-83aa-8dfc8f8b56cf/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dc3a6a-5efb-4345-83aa-8dfc8f8b56cf/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 67ced8cbf918778cce3ae5cae291c50696df3950945fdf68713903c29ac269e1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:15:40,347 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:15:40,494 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dc3a6a-5efb-4345-83aa-8dfc8f8b56cf/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 22:15:40,556 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:15:40,557 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:15:40,558 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:15:40,560 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:15:40,560 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:15:40,562 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:15:40,567 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:15:40,568 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:15:40,569 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:15:40,569 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:15:40,571 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:15:40,572 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:15:40,573 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:15:40,573 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:15:40,574 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:15:40,574 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:15:40,575 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:15:40,576 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:15:40,577 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:15:40,577 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:15:40,578 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:15:40,578 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:15:40,579 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:15:40,579 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:15:40,580 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:15:40,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:15:40,581 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:15:40,582 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:15:40,582 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:15:40,583 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:15:40,583 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:15:40,584 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:15:40,584 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:15:40,584 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:15:40,584 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_d0dc3a6a-5efb-4345-83aa-8dfc8f8b56cf/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dc3a6a-5efb-4345-83aa-8dfc8f8b56cf/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67ced8cbf918778cce3ae5cae291c50696df3950945fdf68713903c29ac269e1 [2023-11-24 22:15:41,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:15:41,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:15:41,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:15:41,155 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:15:41,156 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:15:41,158 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dc3a6a-5efb-4345-83aa-8dfc8f8b56cf/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c [2023-11-24 22:15:44,775 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:15:45,147 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:15:45,148 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dc3a6a-5efb-4345-83aa-8dfc8f8b56cf/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c [2023-11-24 22:15:45,158 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dc3a6a-5efb-4345-83aa-8dfc8f8b56cf/bin/ukojak-verify-afCqCEvfdi/data/ac2a4de1b/0f2d7f173260488d88adfc696c63d76b/FLAGec0c1df1a [2023-11-24 22:15:45,175 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dc3a6a-5efb-4345-83aa-8dfc8f8b56cf/bin/ukojak-verify-afCqCEvfdi/data/ac2a4de1b/0f2d7f173260488d88adfc696c63d76b [2023-11-24 22:15:45,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:15:45,180 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:15:45,182 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:15:45,183 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:15:45,189 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:15:45,190 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:45" (1/1) ... [2023-11-24 22:15:45,192 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b79b7d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:45, skipping insertion in model container [2023-11-24 22:15:45,192 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:45" (1/1) ... [2023-11-24 22:15:45,226 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:15:45,473 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dc3a6a-5efb-4345-83aa-8dfc8f8b56cf/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c[3071,3084] [2023-11-24 22:15:45,487 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:15:45,506 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-24 22:15:45,520 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:15:45,569 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dc3a6a-5efb-4345-83aa-8dfc8f8b56cf/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c[3071,3084] [2023-11-24 22:15:45,585 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:15:45,592 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:15:45,629 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dc3a6a-5efb-4345-83aa-8dfc8f8b56cf/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c[3071,3084] [2023-11-24 22:15:45,633 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:15:45,648 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:15:45,648 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:15:45,660 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:15:45,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:45 WrapperNode [2023-11-24 22:15:45,661 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:15:45,662 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:15:45,663 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:15:45,663 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:15:45,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:45" (1/1) ... [2023-11-24 22:15:45,702 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:45" (1/1) ... [2023-11-24 22:15:45,749 INFO L138 Inliner]: procedures = 28, calls = 63, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2023-11-24 22:15:45,749 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:15:45,750 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:15:45,751 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:15:45,751 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:15:45,763 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:45" (1/1) ... [2023-11-24 22:15:45,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:45" (1/1) ... [2023-11-24 22:15:45,782 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:45" (1/1) ... [2023-11-24 22:15:45,783 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:45" (1/1) ... [2023-11-24 22:15:45,796 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:45" (1/1) ... [2023-11-24 22:15:45,800 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:45" (1/1) ... [2023-11-24 22:15:45,804 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:45" (1/1) ... [2023-11-24 22:15:45,807 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:45" (1/1) ... [2023-11-24 22:15:45,812 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:15:45,813 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:15:45,813 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:15:45,814 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:15:45,815 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:45" (1/1) ... [2023-11-24 22:15:45,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:15:45,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dc3a6a-5efb-4345-83aa-8dfc8f8b56cf/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:15:45,884 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dc3a6a-5efb-4345-83aa-8dfc8f8b56cf/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:15:45,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dc3a6a-5efb-4345-83aa-8dfc8f8b56cf/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:15:45,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:15:45,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:15:45,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:15:45,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:15:45,953 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 22:15:45,953 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 22:15:45,953 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 22:15:45,953 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 22:15:45,954 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-24 22:15:45,956 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-24 22:15:45,956 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-24 22:15:45,957 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-24 22:15:45,957 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:15:45,958 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:15:45,958 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:15:45,958 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:15:45,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:15:45,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:15:45,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:15:45,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:15:45,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:15:45,962 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:15:46,283 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:15:46,289 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:15:46,996 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:15:47,323 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: call #t~mem12 := read~intINTTYPE4(~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~2)), 4bv32);). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java: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) [2023-11-24 22:15:47,331 INFO L158 Benchmark]: Toolchain (without parser) took 2149.55ms. Allocated memory is still 113.2MB. Free memory was 89.6MB in the beginning and 86.5MB in the end (delta: 3.1MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2023-11-24 22:15:47,332 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 75.5MB. Free memory is still 52.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:15:47,333 INFO L158 Benchmark]: CACSL2BoogieTranslator took 479.08ms. Allocated memory is still 113.2MB. Free memory was 89.4MB in the beginning and 74.9MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:15:47,334 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.05ms. Allocated memory is still 113.2MB. Free memory was 74.9MB in the beginning and 72.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:15:47,336 INFO L158 Benchmark]: Boogie Preprocessor took 61.73ms. Allocated memory is still 113.2MB. Free memory was 72.9MB in the beginning and 71.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:15:47,338 INFO L158 Benchmark]: RCFGBuilder took 1515.57ms. Allocated memory is still 113.2MB. Free memory was 70.8MB in the beginning and 86.5MB in the end (delta: -15.7MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2023-11-24 22:15:47,343 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 75.5MB. Free memory is still 52.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 479.08ms. Allocated memory is still 113.2MB. Free memory was 89.4MB in the beginning and 74.9MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.05ms. Allocated memory is still 113.2MB. Free memory was 74.9MB in the beginning and 72.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.73ms. Allocated memory is still 113.2MB. Free memory was 72.9MB in the beginning and 71.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1515.57ms. Allocated memory is still 113.2MB. Free memory was 70.8MB in the beginning and 86.5MB in the end (delta: -15.7MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: call #t~mem12 := read~intINTTYPE4(~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~2)), 4bv32);). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: call #t~mem12 := read~intINTTYPE4(~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~2)), 4bv32);). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:15:47,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0dc3a6a-5efb-4345-83aa-8dfc8f8b56cf/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: call #t~mem12 := read~intINTTYPE4(~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~2)), 4bv32);). Is there illegal control flow (e.g. loops) within an atomic block?