./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_bb89d4b5-9975-4b46-be42-bf264cd6bba3/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb89d4b5-9975-4b46-be42-bf264cd6bba3/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb89d4b5-9975-4b46-be42-bf264cd6bba3/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb89d4b5-9975-4b46-be42-bf264cd6bba3/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb89d4b5-9975-4b46-be42-bf264cd6bba3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb89d4b5-9975-4b46-be42-bf264cd6bba3/bin/ukojak-verify-Qdu7aM0XO9 --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 a79fe9fcfc95192d454ac05616e4d9a71dbf2bcc8b4fd9d21dcef47910a50542 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:21:20,872 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:21:20,933 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb89d4b5-9975-4b46-be42-bf264cd6bba3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 23:21:20,937 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:21:20,937 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:21:20,957 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:21:20,958 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:21:20,958 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:21:20,959 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:21:20,959 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:21:20,960 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:21:20,961 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:21:20,961 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:21:20,961 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:21:20,962 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:21:20,962 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:21:20,963 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:21:20,963 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:21:20,964 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:21:20,964 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:21:20,965 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:21:20,965 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:21:20,966 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:21:20,966 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:21:20,967 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:21:20,967 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:21:20,968 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:21:20,968 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:21:20,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:21:20,969 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:21:20,969 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:21:20,969 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:21:20,970 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:21:20,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:21:20,970 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:21:20,970 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_bb89d4b5-9975-4b46-be42-bf264cd6bba3/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb89d4b5-9975-4b46-be42-bf264cd6bba3/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a79fe9fcfc95192d454ac05616e4d9a71dbf2bcc8b4fd9d21dcef47910a50542 [2023-12-02 23:21:21,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:21:21,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:21:21,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:21:21,186 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:21:21,187 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:21:21,188 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb89d4b5-9975-4b46-be42-bf264cd6bba3/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2023-12-02 23:21:23,837 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:21:24,015 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:21:24,015 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb89d4b5-9975-4b46-be42-bf264cd6bba3/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2023-12-02 23:21:24,025 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb89d4b5-9975-4b46-be42-bf264cd6bba3/bin/ukojak-verify-Qdu7aM0XO9/data/46980ba87/23cd85704c064586bb3f25692204ecde/FLAGe7898a54e [2023-12-02 23:21:24,039 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb89d4b5-9975-4b46-be42-bf264cd6bba3/bin/ukojak-verify-Qdu7aM0XO9/data/46980ba87/23cd85704c064586bb3f25692204ecde [2023-12-02 23:21:24,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:21:24,043 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:21:24,045 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:21:24,045 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:21:24,050 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:21:24,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:21:24" (1/1) ... [2023-12-02 23:21:24,052 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33d6367b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:24, skipping insertion in model container [2023-12-02 23:21:24,052 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:21:24" (1/1) ... [2023-12-02 23:21:24,081 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:21:24,286 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:21:24,297 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:21:24,335 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:21:24,345 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:21:24,345 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:21:24,353 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:21:24,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:24 WrapperNode [2023-12-02 23:21:24,353 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:21:24,355 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:21:24,355 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:21:24,355 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:21:24,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:24" (1/1) ... [2023-12-02 23:21:24,372 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:24" (1/1) ... [2023-12-02 23:21:24,396 INFO L138 Inliner]: procedures = 26, calls = 76, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 128 [2023-12-02 23:21:24,396 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:21:24,397 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:21:24,397 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:21:24,397 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:21:24,405 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:24" (1/1) ... [2023-12-02 23:21:24,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:24" (1/1) ... [2023-12-02 23:21:24,408 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:24" (1/1) ... [2023-12-02 23:21:24,409 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:24" (1/1) ... [2023-12-02 23:21:24,419 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:24" (1/1) ... [2023-12-02 23:21:24,423 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:24" (1/1) ... [2023-12-02 23:21:24,426 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:24" (1/1) ... [2023-12-02 23:21:24,428 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:24" (1/1) ... [2023-12-02 23:21:24,432 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:21:24,434 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:21:24,434 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:21:24,434 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:21:24,435 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:24" (1/1) ... [2023-12-02 23:21:24,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:21:24,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb89d4b5-9975-4b46-be42-bf264cd6bba3/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:21:24,464 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb89d4b5-9975-4b46-be42-bf264cd6bba3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:21:24,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb89d4b5-9975-4b46-be42-bf264cd6bba3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:21:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:21:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:21:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:21:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-12-02 23:21:24,496 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-12-02 23:21:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:21:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 23:21:24,497 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 23:21:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 23:21:24,497 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 23:21:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-02 23:21:24,497 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-02 23:21:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-12-02 23:21:24,498 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-12-02 23:21:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 23:21:24,498 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 23:21:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:21:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-12-02 23:21:24,498 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-12-02 23:21:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 23:21:24,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 23:21:24,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 23:21:24,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:21:24,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:21:24,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:21:24,501 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 23:21:24,613 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:21:24,615 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:21:24,976 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:21:25,145 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: #t~short2 := ~q1_back~0 >= 0 && ~q1_back~0 < ~n1~0;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;call #t~mem1 := read~int(~q1~0.base, ~q1~0.offset + 4 * ~q1_back~0, 4);#t~short2 := #t~mem1 == ~C~0;}EndParallelComposition). 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) [2023-12-02 23:21:25,148 INFO L158 Benchmark]: Toolchain (without parser) took 1104.53ms. Allocated memory is still 155.2MB. Free memory was 119.7MB in the beginning and 112.0MB in the end (delta: 7.7MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. [2023-12-02 23:21:25,149 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 61.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:21:25,149 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.91ms. Allocated memory is still 155.2MB. Free memory was 119.7MB in the beginning and 106.6MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 23:21:25,150 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.11ms. Allocated memory is still 155.2MB. Free memory was 106.6MB in the beginning and 104.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:21:25,151 INFO L158 Benchmark]: Boogie Preprocessor took 35.47ms. Allocated memory is still 155.2MB. Free memory was 104.4MB in the beginning and 102.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:21:25,151 INFO L158 Benchmark]: RCFGBuilder took 713.52ms. Allocated memory is still 155.2MB. Free memory was 102.4MB in the beginning and 112.0MB in the end (delta: -9.7MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2023-12-02 23:21:25,154 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 61.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.91ms. Allocated memory is still 155.2MB. Free memory was 119.7MB in the beginning and 106.6MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.11ms. Allocated memory is still 155.2MB. Free memory was 106.6MB in the beginning and 104.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.47ms. Allocated memory is still 155.2MB. Free memory was 104.4MB in the beginning and 102.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 713.52ms. Allocated memory is still 155.2MB. Free memory was 102.4MB in the beginning and 112.0MB in the end (delta: -9.7MB). Peak memory consumption was 42.1MB. 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: #t~short2 := ~q1_back~0 >= 0 && ~q1_back~0 < ~n1~0;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;call #t~mem1 := read~int(~q1~0.base, ~q1~0.offset + 4 * ~q1_back~0, 4);#t~short2 := #t~mem1 == ~C~0;}EndParallelComposition). 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: #t~short2 := ~q1_back~0 >= 0 && ~q1_back~0 < ~n1~0;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;call #t~mem1 := read~int(~q1~0.base, ~q1~0.offset + 4 * ~q1_back~0, 4);#t~short2 := #t~mem1 == ~C~0;}EndParallelComposition). 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. [2023-12-02 23:21:25,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb89d4b5-9975-4b46-be42-bf264cd6bba3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb89d4b5-9975-4b46-be42-bf264cd6bba3/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb89d4b5-9975-4b46-be42-bf264cd6bba3/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb89d4b5-9975-4b46-be42-bf264cd6bba3/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb89d4b5-9975-4b46-be42-bf264cd6bba3/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb89d4b5-9975-4b46-be42-bf264cd6bba3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb89d4b5-9975-4b46-be42-bf264cd6bba3/bin/ukojak-verify-Qdu7aM0XO9 --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 a79fe9fcfc95192d454ac05616e4d9a71dbf2bcc8b4fd9d21dcef47910a50542 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:21:27,060 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:21:27,127 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb89d4b5-9975-4b46-be42-bf264cd6bba3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-02 23:21:27,158 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:21:27,159 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:21:27,160 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:21:27,161 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:21:27,161 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:21:27,162 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:21:27,162 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:21:27,163 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:21:27,163 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:21:27,164 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:21:27,164 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:21:27,165 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:21:27,165 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:21:27,166 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:21:27,166 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:21:27,167 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:21:27,167 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:21:27,168 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:21:27,168 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:21:27,169 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:21:27,169 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:21:27,170 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:21:27,170 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:21:27,170 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:21:27,171 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:27,171 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:21:27,172 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:21:27,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:21:27,173 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:21:27,173 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:21:27,174 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:21:27,174 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:21:27,174 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:27,175 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:21:27,175 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:21:27,175 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:21:27,175 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_bb89d4b5-9975-4b46-be42-bf264cd6bba3/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb89d4b5-9975-4b46-be42-bf264cd6bba3/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a79fe9fcfc95192d454ac05616e4d9a71dbf2bcc8b4fd9d21dcef47910a50542 [2023-12-02 23:21:27,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:21:27,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:21:27,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:21:27,514 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:21:27,515 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:21:27,516 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb89d4b5-9975-4b46-be42-bf264cd6bba3/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2023-12-02 23:21:30,263 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:21:30,447 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:21:30,448 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb89d4b5-9975-4b46-be42-bf264cd6bba3/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2023-12-02 23:21:30,456 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb89d4b5-9975-4b46-be42-bf264cd6bba3/bin/ukojak-verify-Qdu7aM0XO9/data/6ba9adadc/66cb7be391a44515a57f727d055b8de9/FLAGf969e0253 [2023-12-02 23:21:30,469 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb89d4b5-9975-4b46-be42-bf264cd6bba3/bin/ukojak-verify-Qdu7aM0XO9/data/6ba9adadc/66cb7be391a44515a57f727d055b8de9 [2023-12-02 23:21:30,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:21:30,472 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:21:30,473 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:21:30,473 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:21:30,477 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:21:30,477 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:21:30" (1/1) ... [2023-12-02 23:21:30,479 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70229905 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:30, skipping insertion in model container [2023-12-02 23:21:30,479 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:21:30" (1/1) ... [2023-12-02 23:21:30,505 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:21:30,692 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:21:30,706 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 23:21:30,713 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:21:30,744 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:21:30,750 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:21:30,786 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:21:30,796 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:21:30,796 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:21:30,802 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:21:30,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:30 WrapperNode [2023-12-02 23:21:30,803 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:21:30,804 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:21:30,804 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:21:30,804 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:21:30,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:30" (1/1) ... [2023-12-02 23:21:30,823 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:30" (1/1) ... [2023-12-02 23:21:30,845 INFO L138 Inliner]: procedures = 28, calls = 76, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 119 [2023-12-02 23:21:30,846 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:21:30,846 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:21:30,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:21:30,847 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:21:30,854 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:30" (1/1) ... [2023-12-02 23:21:30,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:30" (1/1) ... [2023-12-02 23:21:30,861 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:30" (1/1) ... [2023-12-02 23:21:30,861 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:30" (1/1) ... [2023-12-02 23:21:30,875 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:30" (1/1) ... [2023-12-02 23:21:30,879 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:30" (1/1) ... [2023-12-02 23:21:30,882 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:30" (1/1) ... [2023-12-02 23:21:30,885 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:30" (1/1) ... [2023-12-02 23:21:30,890 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:21:30,891 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:21:30,891 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:21:30,891 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:21:30,892 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:30" (1/1) ... [2023-12-02 23:21:30,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:21:30,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb89d4b5-9975-4b46-be42-bf264cd6bba3/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:21:30,917 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb89d4b5-9975-4b46-be42-bf264cd6bba3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:21:30,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb89d4b5-9975-4b46-be42-bf264cd6bba3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:21:30,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:21:30,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:21:30,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:21:30,985 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-12-02 23:21:30,985 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-12-02 23:21:30,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 23:21:30,985 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 23:21:30,986 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 23:21:30,986 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 23:21:30,986 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 23:21:30,986 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-02 23:21:30,988 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-02 23:21:30,989 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-12-02 23:21:30,989 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-12-02 23:21:30,989 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 23:21:30,989 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 23:21:30,989 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-12-02 23:21:30,990 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-12-02 23:21:30,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 23:21:30,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 23:21:30,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 23:21:30,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:21:30,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:21:30,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:21:30,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 23:21:30,994 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 23:21:31,118 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:21:31,121 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:21:31,604 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:21:31,788 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: #t~short2 := ~bvsge~32(~q1_back~0, 0bv32) && ~bvslt~32(~q1_back~0, ~n1~0);BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;call #t~mem1 := read~intINTTYPE4(~q1~0.base, ~bvadd~32(~q1~0.offset, ~bvmul~32(4bv32, ~q1_back~0)), 4bv32);#t~short2 := #t~mem1 == ~C~0;}EndParallelComposition). 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) [2023-12-02 23:21:31,792 INFO L158 Benchmark]: Toolchain (without parser) took 1318.83ms. Allocated memory is still 104.9MB. Free memory was 81.2MB in the beginning and 55.1MB in the end (delta: 26.1MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2023-12-02 23:21:31,793 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 73.4MB. Free memory is still 49.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:21:31,793 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.90ms. Allocated memory is still 104.9MB. Free memory was 80.9MB in the beginning and 64.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 23:21:31,794 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.03ms. Allocated memory is still 104.9MB. Free memory was 64.6MB in the beginning and 62.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:21:31,795 INFO L158 Benchmark]: Boogie Preprocessor took 43.51ms. Allocated memory is still 104.9MB. Free memory was 62.8MB in the beginning and 60.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:21:31,795 INFO L158 Benchmark]: RCFGBuilder took 899.69ms. Allocated memory is still 104.9MB. Free memory was 60.5MB in the beginning and 55.1MB in the end (delta: 5.4MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2023-12-02 23:21:31,798 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 73.4MB. Free memory is still 49.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.90ms. Allocated memory is still 104.9MB. Free memory was 80.9MB in the beginning and 64.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.03ms. Allocated memory is still 104.9MB. Free memory was 64.6MB in the beginning and 62.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.51ms. Allocated memory is still 104.9MB. Free memory was 62.8MB in the beginning and 60.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 899.69ms. Allocated memory is still 104.9MB. Free memory was 60.5MB in the beginning and 55.1MB in the end (delta: 5.4MB). Peak memory consumption was 12.3MB. 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: #t~short2 := ~bvsge~32(~q1_back~0, 0bv32) && ~bvslt~32(~q1_back~0, ~n1~0);BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;call #t~mem1 := read~intINTTYPE4(~q1~0.base, ~bvadd~32(~q1~0.offset, ~bvmul~32(4bv32, ~q1_back~0)), 4bv32);#t~short2 := #t~mem1 == ~C~0;}EndParallelComposition). 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: #t~short2 := ~bvsge~32(~q1_back~0, 0bv32) && ~bvslt~32(~q1_back~0, ~n1~0);BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;call #t~mem1 := read~intINTTYPE4(~q1~0.base, ~bvadd~32(~q1~0.offset, ~bvmul~32(4bv32, ~q1_back~0)), 4bv32);#t~short2 := #t~mem1 == ~C~0;}EndParallelComposition). 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. [2023-12-02 23:21:31,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb89d4b5-9975-4b46-be42-bf264cd6bba3/bin/ukojak-verify-Qdu7aM0XO9/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: #t~short2 := ~bvsge~32(~q1_back~0, 0bv32) && ~bvslt~32(~q1_back~0, ~n1~0);BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;call #t~mem1 := read~intINTTYPE4(~q1~0.base, ~bvadd~32(~q1~0.offset, ~bvmul~32(4bv32, ~q1_back~0)), 4bv32);#t~short2 := #t~mem1 == ~C~0;}EndParallelComposition). Is there illegal control flow (e.g. loops) within an atomic block?