./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7688dd0e-308d-47fa-bc5e-aa22553cd093/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7688dd0e-308d-47fa-bc5e-aa22553cd093/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7688dd0e-308d-47fa-bc5e-aa22553cd093/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7688dd0e-308d-47fa-bc5e-aa22553cd093/bin/utaipan-verify-NcY6lQBIFX/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7688dd0e-308d-47fa-bc5e-aa22553cd093/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7688dd0e-308d-47fa-bc5e-aa22553cd093/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:43:05,686 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:43:05,803 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7688dd0e-308d-47fa-bc5e-aa22553cd093/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-12 00:43:05,809 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:43:05,809 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:43:05,861 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:43:05,861 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:43:05,862 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:43:05,863 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:43:05,863 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:43:05,864 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:43:05,865 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:43:05,865 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:43:05,866 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:43:05,866 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:43:05,867 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:43:05,867 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:43:05,868 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:43:05,869 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:43:05,869 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:43:05,870 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:43:05,871 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:43:05,872 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:43:05,872 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:43:05,873 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:43:05,873 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:43:05,874 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:43:05,875 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:43:05,875 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:43:05,876 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 00:43:05,876 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 00:43:05,877 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 00:43:05,877 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:43:05,878 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:43:05,878 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:43:05,879 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:43:05,879 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:43:05,880 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:43:05,880 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:43:05,881 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:43:05,881 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:43:05,882 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:43:05,882 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:43:05,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:43:05,882 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:43:05,883 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:43:05,883 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_7688dd0e-308d-47fa-bc5e-aa22553cd093/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7688dd0e-308d-47fa-bc5e-aa22553cd093/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2023-11-12 00:43:06,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:43:06,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:43:06,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:43:06,217 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:43:06,217 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:43:06,219 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7688dd0e-308d-47fa-bc5e-aa22553cd093/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2023-11-12 00:43:09,334 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:43:09,684 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:43:09,685 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7688dd0e-308d-47fa-bc5e-aa22553cd093/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2023-11-12 00:43:09,700 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7688dd0e-308d-47fa-bc5e-aa22553cd093/bin/utaipan-verify-NcY6lQBIFX/data/7427f58f1/52c94d80ee534214b3e3e52933d56c99/FLAGdf20b0428 [2023-11-12 00:43:09,716 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7688dd0e-308d-47fa-bc5e-aa22553cd093/bin/utaipan-verify-NcY6lQBIFX/data/7427f58f1/52c94d80ee534214b3e3e52933d56c99 [2023-11-12 00:43:09,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:43:09,720 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:43:09,722 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:43:09,722 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:43:09,728 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:43:09,728 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:43:09" (1/1) ... [2023-11-12 00:43:09,730 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a81d2a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:09, skipping insertion in model container [2023-11-12 00:43:09,730 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:43:09" (1/1) ... [2023-11-12 00:43:09,776 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:43:09,962 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:43:10,150 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:43:10,159 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:43:10,176 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:43:10,203 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:43:10,242 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:43:10,242 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:43:10,242 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:43:10,251 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:43:10,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:10 WrapperNode [2023-11-12 00:43:10,251 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:43:10,253 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:43:10,253 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:43:10,253 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:43:10,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:10" (1/1) ... [2023-11-12 00:43:10,287 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:10" (1/1) ... [2023-11-12 00:43:10,312 INFO L138 Inliner]: procedures = 171, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 77 [2023-11-12 00:43:10,312 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:43:10,313 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:43:10,313 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:43:10,314 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:43:10,323 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:10" (1/1) ... [2023-11-12 00:43:10,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:10" (1/1) ... [2023-11-12 00:43:10,326 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:10" (1/1) ... [2023-11-12 00:43:10,327 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:10" (1/1) ... [2023-11-12 00:43:10,333 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:10" (1/1) ... [2023-11-12 00:43:10,337 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:10" (1/1) ... [2023-11-12 00:43:10,339 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:10" (1/1) ... [2023-11-12 00:43:10,341 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:10" (1/1) ... [2023-11-12 00:43:10,344 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:43:10,345 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:43:10,345 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:43:10,345 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:43:10,346 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:10" (1/1) ... [2023-11-12 00:43:10,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:43:10,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7688dd0e-308d-47fa-bc5e-aa22553cd093/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:43:10,383 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7688dd0e-308d-47fa-bc5e-aa22553cd093/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:43:10,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7688dd0e-308d-47fa-bc5e-aa22553cd093/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:43:10,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:43:10,428 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-12 00:43:10,429 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-12 00:43:10,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:43:10,430 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 00:43:10,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:43:10,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:43:10,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:43:10,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:43:10,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 00:43:10,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:43:10,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:43:10,433 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:43:10,579 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:43:10,581 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:43:10,853 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:43:11,085 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:43:11,085 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:43:11,086 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2023-11-12 00:43:11,087 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-12 00:43:11,098 INFO L158 Benchmark]: Toolchain (without parser) took 1376.82ms. Allocated memory is still 205.5MB. Free memory was 172.6MB in the beginning and 115.4MB in the end (delta: 57.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2023-11-12 00:43:11,099 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 130.0MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:43:11,100 INFO L158 Benchmark]: CACSL2BoogieTranslator took 530.22ms. Allocated memory is still 205.5MB. Free memory was 172.0MB in the beginning and 152.5MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 00:43:11,101 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.91ms. Allocated memory is still 205.5MB. Free memory was 152.5MB in the beginning and 150.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:43:11,102 INFO L158 Benchmark]: Boogie Preprocessor took 30.80ms. Allocated memory is still 205.5MB. Free memory was 150.4MB in the beginning and 148.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:43:11,103 INFO L158 Benchmark]: RCFGBuilder took 751.31ms. Allocated memory is still 205.5MB. Free memory was 148.9MB in the beginning and 115.4MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-12 00:43:11,108 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 130.0MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 530.22ms. Allocated memory is still 205.5MB. Free memory was 172.0MB in the beginning and 152.5MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.91ms. Allocated memory is still 205.5MB. Free memory was 152.5MB in the beginning and 150.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.80ms. Allocated memory is still 205.5MB. Free memory was 150.4MB in the beginning and 148.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 751.31ms. Allocated memory is still 205.5MB. Free memory was 148.9MB in the beginning and 115.4MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-12 00:43:11,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7688dd0e-308d-47fa-bc5e-aa22553cd093/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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_7688dd0e-308d-47fa-bc5e-aa22553cd093/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7688dd0e-308d-47fa-bc5e-aa22553cd093/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7688dd0e-308d-47fa-bc5e-aa22553cd093/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7688dd0e-308d-47fa-bc5e-aa22553cd093/bin/utaipan-verify-NcY6lQBIFX/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7688dd0e-308d-47fa-bc5e-aa22553cd093/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7688dd0e-308d-47fa-bc5e-aa22553cd093/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:43:13,731 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:43:13,827 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7688dd0e-308d-47fa-bc5e-aa22553cd093/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-12 00:43:13,833 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:43:13,833 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:43:13,861 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:43:13,862 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:43:13,862 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:43:13,863 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:43:13,864 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:43:13,865 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:43:13,865 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:43:13,866 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:43:13,867 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:43:13,867 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:43:13,868 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:43:13,869 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:43:13,870 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:43:13,871 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:43:13,871 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:43:13,872 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:43:13,873 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:43:13,873 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:43:13,874 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 00:43:13,874 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 00:43:13,875 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 00:43:13,876 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:43:13,876 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:43:13,877 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:43:13,877 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:43:13,878 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:43:13,878 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:43:13,878 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:43:13,879 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:43:13,879 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:43:13,880 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:43:13,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:43:13,880 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:43:13,881 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:43:13,881 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:43:13,882 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:43:13,882 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:43:13,883 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:43:13,883 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_7688dd0e-308d-47fa-bc5e-aa22553cd093/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7688dd0e-308d-47fa-bc5e-aa22553cd093/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2023-11-12 00:43:14,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:43:14,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:43:14,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:43:14,363 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:43:14,363 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:43:14,365 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7688dd0e-308d-47fa-bc5e-aa22553cd093/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2023-11-12 00:43:17,601 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:43:17,890 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:43:17,891 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7688dd0e-308d-47fa-bc5e-aa22553cd093/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2023-11-12 00:43:17,922 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7688dd0e-308d-47fa-bc5e-aa22553cd093/bin/utaipan-verify-NcY6lQBIFX/data/8844cfa88/0de5ac07f7804545ae787ad97f9bbef5/FLAGf0569e9ef [2023-11-12 00:43:17,937 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7688dd0e-308d-47fa-bc5e-aa22553cd093/bin/utaipan-verify-NcY6lQBIFX/data/8844cfa88/0de5ac07f7804545ae787ad97f9bbef5 [2023-11-12 00:43:17,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:43:17,942 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:43:17,943 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:43:17,944 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:43:17,949 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:43:17,950 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:43:17" (1/1) ... [2023-11-12 00:43:17,951 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6285c2d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:17, skipping insertion in model container [2023-11-12 00:43:17,951 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:43:17" (1/1) ... [2023-11-12 00:43:18,001 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:43:18,182 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:43:18,432 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:43:18,448 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:43:18,503 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:43:18,538 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:43:18,595 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:43:18,596 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:43:18,596 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:43:18,604 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:43:18,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:18 WrapperNode [2023-11-12 00:43:18,605 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:43:18,606 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:43:18,606 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:43:18,607 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:43:18,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:18" (1/1) ... [2023-11-12 00:43:18,637 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:18" (1/1) ... [2023-11-12 00:43:18,662 INFO L138 Inliner]: procedures = 175, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 78 [2023-11-12 00:43:18,662 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:43:18,663 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:43:18,663 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:43:18,664 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:43:18,673 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:18" (1/1) ... [2023-11-12 00:43:18,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:18" (1/1) ... [2023-11-12 00:43:18,678 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:18" (1/1) ... [2023-11-12 00:43:18,678 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:18" (1/1) ... [2023-11-12 00:43:18,686 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:18" (1/1) ... [2023-11-12 00:43:18,690 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:18" (1/1) ... [2023-11-12 00:43:18,693 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:18" (1/1) ... [2023-11-12 00:43:18,695 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:18" (1/1) ... [2023-11-12 00:43:18,699 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:43:18,700 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:43:18,700 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:43:18,700 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:43:18,701 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:18" (1/1) ... [2023-11-12 00:43:18,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:43:18,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7688dd0e-308d-47fa-bc5e-aa22553cd093/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:43:18,737 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7688dd0e-308d-47fa-bc5e-aa22553cd093/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:43:18,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7688dd0e-308d-47fa-bc5e-aa22553cd093/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:43:18,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-12 00:43:18,775 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-12 00:43:18,775 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-12 00:43:18,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 00:43:18,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:43:18,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:43:18,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:43:18,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-12 00:43:18,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:43:18,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-12 00:43:18,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 00:43:18,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:43:18,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:43:18,778 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:43:18,943 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:43:18,945 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:43:19,246 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:43:19,506 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:43:19,506 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:43:19,507 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2023-11-12 00:43:19,508 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-12 00:43:19,514 INFO L158 Benchmark]: Toolchain (without parser) took 1570.81ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 40.7MB in the beginning and 41.6MB in the end (delta: -878.9kB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2023-11-12 00:43:19,514 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 71.3MB. Free memory was 47.5MB in the beginning and 47.4MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:43:19,516 INFO L158 Benchmark]: CACSL2BoogieTranslator took 661.95ms. Allocated memory is still 71.3MB. Free memory was 40.5MB in the beginning and 42.6MB in the end (delta: -2.2MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2023-11-12 00:43:19,516 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.46ms. Allocated memory is still 71.3MB. Free memory was 42.6MB in the beginning and 40.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:43:19,517 INFO L158 Benchmark]: Boogie Preprocessor took 35.58ms. Allocated memory is still 71.3MB. Free memory was 40.5MB in the beginning and 38.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:43:19,520 INFO L158 Benchmark]: RCFGBuilder took 812.14ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 38.7MB in the beginning and 41.6MB in the end (delta: -2.9MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2023-11-12 00:43:19,530 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 71.3MB. Free memory was 47.5MB in the beginning and 47.4MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 661.95ms. Allocated memory is still 71.3MB. Free memory was 40.5MB in the beginning and 42.6MB in the end (delta: -2.2MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.46ms. Allocated memory is still 71.3MB. Free memory was 42.6MB in the beginning and 40.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.58ms. Allocated memory is still 71.3MB. Free memory was 40.5MB in the beginning and 38.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 812.14ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 38.7MB in the beginning and 41.6MB in the end (delta: -2.9MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-12 00:43:19,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7688dd0e-308d-47fa-bc5e-aa22553cd093/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?