./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 e7bb482b 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_f3eb3e0e-b5c8-4508-807e-87d0fd770c93/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3eb3e0e-b5c8-4508-807e-87d0fd770c93/bin/utaipan-verify-FOvIYxoinp/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3eb3e0e-b5c8-4508-807e-87d0fd770c93/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3eb3e0e-b5c8-4508-807e-87d0fd770c93/bin/utaipan-verify-FOvIYxoinp/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3eb3e0e-b5c8-4508-807e-87d0fd770c93/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3eb3e0e-b5c8-4508-807e-87d0fd770c93/bin/utaipan-verify-FOvIYxoinp --witnessprinter.witness.filename witness.graphml --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-e7bb482 [2023-11-06 21:04:30,274 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:04:30,344 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3eb3e0e-b5c8-4508-807e-87d0fd770c93/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-06 21:04:30,350 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:04:30,350 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:04:30,377 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:04:30,378 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:04:30,379 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:04:30,380 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:04:30,380 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:04:30,381 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 21:04:30,381 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 21:04:30,382 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 21:04:30,383 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-06 21:04:30,383 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 21:04:30,384 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 21:04:30,384 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-06 21:04:30,385 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-06 21:04:30,385 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 21:04:30,386 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-06 21:04:30,386 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-06 21:04:30,387 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-06 21:04:30,388 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:04:30,388 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:04:30,389 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:04:30,389 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:04:30,390 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:04:30,390 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:04:30,391 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:04:30,391 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 21:04:30,392 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 21:04:30,392 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 21:04:30,393 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:04:30,393 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 21:04:30,394 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 21:04:30,394 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:04:30,395 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:04:30,395 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:04:30,396 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:04:30,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:04:30,397 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:04:30,397 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:04:30,398 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-06 21:04:30,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 21:04:30,399 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 21:04:30,399 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:04:30,399 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_f3eb3e0e-b5c8-4508-807e-87d0fd770c93/bin/utaipan-verify-FOvIYxoinp/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3eb3e0e-b5c8-4508-807e-87d0fd770c93/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2023-11-06 21:04:30,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:04:30,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:04:30,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:04:30,669 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:04:30,670 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:04:30,671 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3eb3e0e-b5c8-4508-807e-87d0fd770c93/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2023-11-06 21:04:33,869 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:04:34,149 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:04:34,150 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3eb3e0e-b5c8-4508-807e-87d0fd770c93/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2023-11-06 21:04:34,166 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3eb3e0e-b5c8-4508-807e-87d0fd770c93/bin/utaipan-verify-FOvIYxoinp/data/4a859ee47/5422efcffce04cb58cead3e17285e455/FLAG93d0a18f8 [2023-11-06 21:04:34,181 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3eb3e0e-b5c8-4508-807e-87d0fd770c93/bin/utaipan-verify-FOvIYxoinp/data/4a859ee47/5422efcffce04cb58cead3e17285e455 [2023-11-06 21:04:34,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:04:34,186 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:04:34,187 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:04:34,187 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:04:34,193 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:04:34,194 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:04:34" (1/1) ... [2023-11-06 21:04:34,195 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f61f94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:34, skipping insertion in model container [2023-11-06 21:04:34,195 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:04:34" (1/1) ... [2023-11-06 21:04:34,263 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:04:34,465 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 21:04:34,698 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:04:34,711 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:04:34,739 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 21:04:34,776 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:04:34,821 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:04:34,821 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:04:34,821 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:04:34,829 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:04:34,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:34 WrapperNode [2023-11-06 21:04:34,830 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:04:34,831 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:04:34,832 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:04:34,832 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:04:34,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:34" (1/1) ... [2023-11-06 21:04:34,861 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:34" (1/1) ... [2023-11-06 21:04:34,884 INFO L138 Inliner]: procedures = 171, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 77 [2023-11-06 21:04:34,885 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:04:34,886 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:04:34,886 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:04:34,886 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:04:34,911 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:34" (1/1) ... [2023-11-06 21:04:34,912 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:34" (1/1) ... [2023-11-06 21:04:34,915 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:34" (1/1) ... [2023-11-06 21:04:34,915 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:34" (1/1) ... [2023-11-06 21:04:34,922 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:34" (1/1) ... [2023-11-06 21:04:34,926 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:34" (1/1) ... [2023-11-06 21:04:34,928 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:34" (1/1) ... [2023-11-06 21:04:34,930 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:34" (1/1) ... [2023-11-06 21:04:34,933 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:04:34,934 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:04:34,934 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:04:34,934 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:04:34,935 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:34" (1/1) ... [2023-11-06 21:04:34,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:04:34,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3eb3e0e-b5c8-4508-807e-87d0fd770c93/bin/utaipan-verify-FOvIYxoinp/z3 [2023-11-06 21:04:34,993 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3eb3e0e-b5c8-4508-807e-87d0fd770c93/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:04:34,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3eb3e0e-b5c8-4508-807e-87d0fd770c93/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:04:35,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 21:04:35,028 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-06 21:04:35,028 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-06 21:04:35,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 21:04:35,029 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 21:04:35,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:04:35,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 21:04:35,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 21:04:35,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 21:04:35,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 21:04:35,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:04:35,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:04:35,033 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 21:04:35,164 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:04:35,167 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:04:35,412 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:04:35,663 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:04:35,663 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 21:04:35,678 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2023-11-06 21:04:35,678 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) [2023-11-06 21:04:35,686 INFO L158 Benchmark]: Toolchain (without parser) took 1499.42ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 86.3MB in the beginning and 125.4MB in the end (delta: -39.1MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2023-11-06 21:04:35,687 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:04:35,688 INFO L158 Benchmark]: CACSL2BoogieTranslator took 643.18ms. Allocated memory is still 134.2MB. Free memory was 86.1MB in the beginning and 66.4MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 21:04:35,689 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.85ms. Allocated memory is still 134.2MB. Free memory was 66.4MB in the beginning and 64.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 21:04:35,690 INFO L158 Benchmark]: Boogie Preprocessor took 47.50ms. Allocated memory is still 134.2MB. Free memory was 64.3MB in the beginning and 102.5MB in the end (delta: -38.2MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2023-11-06 21:04:35,691 INFO L158 Benchmark]: RCFGBuilder took 750.24ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 102.5MB in the beginning and 125.4MB in the end (delta: -23.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-06 21:04:35,695 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 643.18ms. Allocated memory is still 134.2MB. Free memory was 86.1MB in the beginning and 66.4MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.85ms. Allocated memory is still 134.2MB. Free memory was 66.4MB in the beginning and 64.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.50ms. Allocated memory is still 134.2MB. Free memory was 64.3MB in the beginning and 102.5MB in the end (delta: -38.2MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * RCFGBuilder took 750.24ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 102.5MB in the beginning and 125.4MB in the end (delta: -23.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-06 21:04:35,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3eb3e0e-b5c8-4508-807e-87d0fd770c93/bin/utaipan-verify-FOvIYxoinp/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3eb3e0e-b5c8-4508-807e-87d0fd770c93/bin/utaipan-verify-FOvIYxoinp/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3eb3e0e-b5c8-4508-807e-87d0fd770c93/bin/utaipan-verify-FOvIYxoinp/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3eb3e0e-b5c8-4508-807e-87d0fd770c93/bin/utaipan-verify-FOvIYxoinp/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3eb3e0e-b5c8-4508-807e-87d0fd770c93/bin/utaipan-verify-FOvIYxoinp/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3eb3e0e-b5c8-4508-807e-87d0fd770c93/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3eb3e0e-b5c8-4508-807e-87d0fd770c93/bin/utaipan-verify-FOvIYxoinp --witnessprinter.witness.filename witness.graphml --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-e7bb482 [2023-11-06 21:04:38,500 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:04:38,640 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3eb3e0e-b5c8-4508-807e-87d0fd770c93/bin/utaipan-verify-FOvIYxoinp/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2023-11-06 21:04:38,649 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:04:38,650 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:04:38,698 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:04:38,698 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:04:38,699 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:04:38,700 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:04:38,705 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:04:38,706 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-06 21:04:38,706 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-06 21:04:38,707 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-06 21:04:38,709 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-06 21:04:38,709 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-06 21:04:38,710 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-06 21:04:38,711 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:04:38,711 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:04:38,712 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:04:38,713 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:04:38,713 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:04:38,714 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:04:38,714 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:04:38,714 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 21:04:38,715 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 21:04:38,715 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 21:04:38,716 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:04:38,716 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 21:04:38,717 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 21:04:38,717 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 21:04:38,719 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 21:04:38,719 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:04:38,719 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:04:38,720 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:04:38,720 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:04:38,720 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:04:38,722 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:04:38,722 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:04:38,722 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:04:38,723 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-06 21:04:38,723 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 21:04:38,723 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-06 21:04:38,724 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:04:38,724 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_f3eb3e0e-b5c8-4508-807e-87d0fd770c93/bin/utaipan-verify-FOvIYxoinp/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3eb3e0e-b5c8-4508-807e-87d0fd770c93/bin/utaipan-verify-FOvIYxoinp Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2023-11-06 21:04:39,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:04:39,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:04:39,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:04:39,154 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:04:39,155 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:04:39,156 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3eb3e0e-b5c8-4508-807e-87d0fd770c93/bin/utaipan-verify-FOvIYxoinp/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2023-11-06 21:04:42,297 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:04:42,629 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:04:42,630 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3eb3e0e-b5c8-4508-807e-87d0fd770c93/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2023-11-06 21:04:42,649 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3eb3e0e-b5c8-4508-807e-87d0fd770c93/bin/utaipan-verify-FOvIYxoinp/data/c45ad1664/08a42dd3c7ed4d52a7350f69220584c3/FLAGa0e09c485 [2023-11-06 21:04:42,672 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3eb3e0e-b5c8-4508-807e-87d0fd770c93/bin/utaipan-verify-FOvIYxoinp/data/c45ad1664/08a42dd3c7ed4d52a7350f69220584c3 [2023-11-06 21:04:42,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:04:42,677 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:04:42,681 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:04:42,681 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:04:42,687 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:04:42,688 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:04:42" (1/1) ... [2023-11-06 21:04:42,689 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8afe504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:42, skipping insertion in model container [2023-11-06 21:04:42,689 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:04:42" (1/1) ... [2023-11-06 21:04:42,760 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:04:42,963 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 21:04:43,171 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:04:43,192 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:04:43,210 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 21:04:43,247 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:04:43,303 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:04:43,303 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:04:43,304 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:04:43,312 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:04:43,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:43 WrapperNode [2023-11-06 21:04:43,339 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:04:43,340 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:04:43,341 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:04:43,341 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:04:43,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:43" (1/1) ... [2023-11-06 21:04:43,441 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:43" (1/1) ... [2023-11-06 21:04:43,490 INFO L138 Inliner]: procedures = 175, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 78 [2023-11-06 21:04:43,491 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:04:43,492 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:04:43,492 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:04:43,492 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:04:43,503 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:43" (1/1) ... [2023-11-06 21:04:43,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:43" (1/1) ... [2023-11-06 21:04:43,521 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:43" (1/1) ... [2023-11-06 21:04:43,530 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:43" (1/1) ... [2023-11-06 21:04:43,537 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:43" (1/1) ... [2023-11-06 21:04:43,548 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:43" (1/1) ... [2023-11-06 21:04:43,551 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:43" (1/1) ... [2023-11-06 21:04:43,563 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:43" (1/1) ... [2023-11-06 21:04:43,567 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:04:43,574 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:04:43,575 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:04:43,575 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:04:43,576 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:04:43" (1/1) ... [2023-11-06 21:04:43,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:04:43,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3eb3e0e-b5c8-4508-807e-87d0fd770c93/bin/utaipan-verify-FOvIYxoinp/z3 [2023-11-06 21:04:43,609 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3eb3e0e-b5c8-4508-807e-87d0fd770c93/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:04:43,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3eb3e0e-b5c8-4508-807e-87d0fd770c93/bin/utaipan-verify-FOvIYxoinp/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:04:43,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 21:04:43,654 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-06 21:04:43,654 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-06 21:04:43,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 21:04:43,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:04:43,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 21:04:43,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 21:04:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 21:04:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 21:04:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-06 21:04:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 21:04:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:04:43,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:04:43,661 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 21:04:43,882 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:04:43,885 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:04:44,216 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:04:44,492 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:04:44,496 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 21:04:44,497 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2023-11-06 21:04:44,498 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) [2023-11-06 21:04:44,505 INFO L158 Benchmark]: Toolchain (without parser) took 1827.77ms. Allocated memory is still 86.0MB. Free memory was 60.5MB in the beginning and 52.3MB in the end (delta: 8.2MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2023-11-06 21:04:44,506 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 62.9MB. Free memory was 38.5MB in the beginning and 38.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:04:44,508 INFO L158 Benchmark]: CACSL2BoogieTranslator took 658.99ms. Allocated memory is still 86.0MB. Free memory was 60.2MB in the beginning and 63.3MB in the end (delta: -3.1MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2023-11-06 21:04:44,509 INFO L158 Benchmark]: Boogie Procedure Inliner took 150.32ms. Allocated memory is still 86.0MB. Free memory was 63.3MB in the beginning and 61.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 21:04:44,509 INFO L158 Benchmark]: Boogie Preprocessor took 81.61ms. Allocated memory is still 86.0MB. Free memory was 61.2MB in the beginning and 59.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:04:44,511 INFO L158 Benchmark]: RCFGBuilder took 928.91ms. Allocated memory is still 86.0MB. Free memory was 59.5MB in the beginning and 52.3MB in the end (delta: 7.2MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2023-11-06 21:04:44,516 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 62.9MB. Free memory was 38.5MB in the beginning and 38.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 658.99ms. Allocated memory is still 86.0MB. Free memory was 60.2MB in the beginning and 63.3MB in the end (delta: -3.1MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 150.32ms. Allocated memory is still 86.0MB. Free memory was 63.3MB in the beginning and 61.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.61ms. Allocated memory is still 86.0MB. Free memory was 61.2MB in the beginning and 59.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 928.91ms. Allocated memory is still 86.0MB. Free memory was 59.5MB in the beginning and 52.3MB in the end (delta: 7.2MB). Peak memory consumption was 34.0MB. 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. [2023-11-06 21:04:44,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3eb3e0e-b5c8-4508-807e-87d0fd770c93/bin/utaipan-verify-FOvIYxoinp/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?