./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_982861f8-a3a4-408a-90d4-0a17a3e7f8cc/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982861f8-a3a4-408a-90d4-0a17a3e7f8cc/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_982861f8-a3a4-408a-90d4-0a17a3e7f8cc/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982861f8-a3a4-408a-90d4-0a17a3e7f8cc/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982861f8-a3a4-408a-90d4-0a17a3e7f8cc/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982861f8-a3a4-408a-90d4-0a17a3e7f8cc/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer 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 00:59:48,086 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:59:48,205 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982861f8-a3a4-408a-90d4-0a17a3e7f8cc/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-12 00:59:48,217 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:59:48,217 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:59:48,270 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:59:48,271 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:59:48,271 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:59:48,273 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:59:48,278 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:59:48,278 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:59:48,279 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:59:48,280 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:59:48,282 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:59:48,282 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:59:48,282 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:59:48,283 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:59:48,283 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:59:48,284 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:59:48,284 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:59:48,286 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:59:48,287 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:59:48,288 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:59:48,289 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:59:48,289 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:59:48,289 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:59:48,290 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:59:48,290 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:59:48,291 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:59:48,291 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:59:48,292 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:59:48,293 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:59:48,293 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:59:48,293 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:59:48,294 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:59:48,294 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:59:48,294 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:59:48,294 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:59:48,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:59:48,295 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:59:48,295 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:59:48,296 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:59:48,296 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:59:48,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:59:48,297 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:59:48,297 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:59:48,297 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:59:48,298 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_982861f8-a3a4-408a-90d4-0a17a3e7f8cc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982861f8-a3a4-408a-90d4-0a17a3e7f8cc/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2023-11-12 00:59:48,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:59:48,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:59:48,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:59:48,672 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:59:48,673 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:59:48,674 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982861f8-a3a4-408a-90d4-0a17a3e7f8cc/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2023-11-12 00:59:51,841 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:59:52,119 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:59:52,119 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982861f8-a3a4-408a-90d4-0a17a3e7f8cc/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2023-11-12 00:59:52,136 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982861f8-a3a4-408a-90d4-0a17a3e7f8cc/bin/utaipan-verify-NcY6lQBIFX/data/654a1113c/372e3fdb0e254d57b761d7b8f67963a1/FLAGa30a87efe [2023-11-12 00:59:52,154 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982861f8-a3a4-408a-90d4-0a17a3e7f8cc/bin/utaipan-verify-NcY6lQBIFX/data/654a1113c/372e3fdb0e254d57b761d7b8f67963a1 [2023-11-12 00:59:52,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:59:52,159 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:59:52,161 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:59:52,161 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:59:52,168 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:59:52,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:59:52" (1/1) ... [2023-11-12 00:59:52,170 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bcf1124 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:52, skipping insertion in model container [2023-11-12 00:59:52,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:59:52" (1/1) ... [2023-11-12 00:59:52,238 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:59:52,445 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:59:52,622 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:59:52,636 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:59:52,669 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:59:52,714 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:59:52,779 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:59:52,779 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:59:52,779 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:59:52,789 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:59:52,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:52 WrapperNode [2023-11-12 00:59:52,790 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:59:52,792 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:59:52,792 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:59:52,792 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:59:52,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:52" (1/1) ... [2023-11-12 00:59:52,843 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:52" (1/1) ... [2023-11-12 00:59:52,879 INFO L138 Inliner]: procedures = 171, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 77 [2023-11-12 00:59:52,880 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:59:52,881 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:59:52,881 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:59:52,881 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:59:52,893 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:52" (1/1) ... [2023-11-12 00:59:52,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:52" (1/1) ... [2023-11-12 00:59:52,901 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:52" (1/1) ... [2023-11-12 00:59:52,901 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:52" (1/1) ... [2023-11-12 00:59:52,920 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:52" (1/1) ... [2023-11-12 00:59:52,926 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:52" (1/1) ... [2023-11-12 00:59:52,936 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:52" (1/1) ... [2023-11-12 00:59:52,943 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:52" (1/1) ... [2023-11-12 00:59:52,946 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:59:52,951 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:59:52,951 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:59:52,952 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:59:52,953 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:59:52" (1/1) ... [2023-11-12 00:59:52,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:59:52,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982861f8-a3a4-408a-90d4-0a17a3e7f8cc/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:59:52,994 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982861f8-a3a4-408a-90d4-0a17a3e7f8cc/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:59:53,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982861f8-a3a4-408a-90d4-0a17a3e7f8cc/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:59:53,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:59:53,048 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-12 00:59:53,049 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-12 00:59:53,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:59:53,049 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 00:59:53,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:59:53,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:59:53,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:59:53,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:59:53,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 00:59:53,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:59:53,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:59:53,053 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 00:59:53,252 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:59:53,255 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:59:53,498 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:59:53,649 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:59:53,649 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:59:53,650 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2023-11-12 00:59:53,651 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 00:59:53,655 INFO L158 Benchmark]: Toolchain (without parser) took 1495.88ms. Allocated memory is still 218.1MB. Free memory was 175.3MB in the beginning and 131.9MB in the end (delta: 43.4MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-12 00:59:53,656 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 146.8MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:59:53,657 INFO L158 Benchmark]: CACSL2BoogieTranslator took 629.88ms. Allocated memory is still 218.1MB. Free memory was 175.3MB in the beginning and 155.0MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-12 00:59:53,658 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.71ms. Allocated memory is still 218.1MB. Free memory was 155.0MB in the beginning and 153.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:59:53,658 INFO L158 Benchmark]: Boogie Preprocessor took 69.32ms. Allocated memory is still 218.1MB. Free memory was 153.4MB in the beginning and 151.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:59:53,659 INFO L158 Benchmark]: RCFGBuilder took 702.56ms. Allocated memory is still 218.1MB. Free memory was 151.9MB in the beginning and 131.9MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-12 00:59:53,663 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 146.8MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 629.88ms. Allocated memory is still 218.1MB. Free memory was 175.3MB in the beginning and 155.0MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.71ms. Allocated memory is still 218.1MB. Free memory was 155.0MB in the beginning and 153.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.32ms. Allocated memory is still 218.1MB. Free memory was 153.4MB in the beginning and 151.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 702.56ms. Allocated memory is still 218.1MB. Free memory was 151.9MB in the beginning and 131.9MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. 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. [2023-11-12 00:59:53,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982861f8-a3a4-408a-90d4-0a17a3e7f8cc/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_982861f8-a3a4-408a-90d4-0a17a3e7f8cc/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982861f8-a3a4-408a-90d4-0a17a3e7f8cc/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_982861f8-a3a4-408a-90d4-0a17a3e7f8cc/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982861f8-a3a4-408a-90d4-0a17a3e7f8cc/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982861f8-a3a4-408a-90d4-0a17a3e7f8cc/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982861f8-a3a4-408a-90d4-0a17a3e7f8cc/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer 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 00:59:56,497 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:59:56,567 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982861f8-a3a4-408a-90d4-0a17a3e7f8cc/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf [2023-11-12 00:59:56,574 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:59:56,574 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:59:56,603 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:59:56,604 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:59:56,605 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:59:56,606 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:59:56,607 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:59:56,607 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:59:56,608 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:59:56,609 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:59:56,609 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:59:56,610 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:59:56,611 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:59:56,612 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:59:56,612 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:59:56,613 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:59:56,614 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:59:56,614 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:59:56,615 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:59:56,616 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:59:56,616 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:59:56,616 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:59:56,617 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:59:56,617 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:59:56,618 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:59:56,618 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:59:56,619 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:59:56,619 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:59:56,620 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:59:56,620 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:59:56,621 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:59:56,621 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:59:56,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:59:56,622 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:59:56,622 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:59:56,622 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:59:56,623 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:59:56,623 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:59:56,624 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:59:56,624 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:59:56,624 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:59:56,624 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_982861f8-a3a4-408a-90d4-0a17a3e7f8cc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982861f8-a3a4-408a-90d4-0a17a3e7f8cc/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2023-11-12 00:59:57,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:59:57,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:59:57,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:59:57,084 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:59:57,084 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:59:57,086 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982861f8-a3a4-408a-90d4-0a17a3e7f8cc/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2023-11-12 01:00:00,338 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 01:00:00,716 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 01:00:00,717 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982861f8-a3a4-408a-90d4-0a17a3e7f8cc/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2023-11-12 01:00:00,735 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982861f8-a3a4-408a-90d4-0a17a3e7f8cc/bin/utaipan-verify-NcY6lQBIFX/data/f83b2b0b4/d9e566ef566c476a97d95f4a797ecca4/FLAG889aac5d4 [2023-11-12 01:00:00,761 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982861f8-a3a4-408a-90d4-0a17a3e7f8cc/bin/utaipan-verify-NcY6lQBIFX/data/f83b2b0b4/d9e566ef566c476a97d95f4a797ecca4 [2023-11-12 01:00:00,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 01:00:00,767 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 01:00:00,769 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 01:00:00,769 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 01:00:00,775 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 01:00:00,776 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:00:00" (1/1) ... [2023-11-12 01:00:00,778 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47e5c93a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:00, skipping insertion in model container [2023-11-12 01:00:00,778 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:00:00" (1/1) ... [2023-11-12 01:00:00,874 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:00:01,178 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 01:00:01,453 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:00:01,473 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 01:00:01,557 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 01:00:01,625 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:00:01,693 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 01:00:01,693 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 01:00:01,693 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 01:00:01,703 INFO L206 MainTranslator]: Completed translation [2023-11-12 01:00:01,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:01 WrapperNode [2023-11-12 01:00:01,704 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 01:00:01,706 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 01:00:01,706 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 01:00:01,706 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 01:00:01,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:01" (1/1) ... [2023-11-12 01:00:01,750 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:01" (1/1) ... [2023-11-12 01:00:01,789 INFO L138 Inliner]: procedures = 175, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 78 [2023-11-12 01:00:01,790 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 01:00:01,791 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 01:00:01,791 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 01:00:01,792 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 01:00:01,808 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:01" (1/1) ... [2023-11-12 01:00:01,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:01" (1/1) ... [2023-11-12 01:00:01,833 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:01" (1/1) ... [2023-11-12 01:00:01,833 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:01" (1/1) ... [2023-11-12 01:00:01,843 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:01" (1/1) ... [2023-11-12 01:00:01,859 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:01" (1/1) ... [2023-11-12 01:00:01,863 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:01" (1/1) ... [2023-11-12 01:00:01,877 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:01" (1/1) ... [2023-11-12 01:00:01,882 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 01:00:01,883 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 01:00:01,884 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 01:00:01,884 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 01:00:01,885 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:01" (1/1) ... [2023-11-12 01:00:01,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:00:01,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982861f8-a3a4-408a-90d4-0a17a3e7f8cc/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:00:01,939 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982861f8-a3a4-408a-90d4-0a17a3e7f8cc/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 01:00:01,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982861f8-a3a4-408a-90d4-0a17a3e7f8cc/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 01:00:01,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-12 01:00:01,986 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-12 01:00:01,986 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-12 01:00:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 01:00:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 01:00:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 01:00:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 01:00:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-12 01:00:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 01:00:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-12 01:00:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 01:00:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 01:00:01,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 01:00:01,990 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 01:00:02,236 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 01:00:02,239 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 01:00:02,566 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 01:00:02,666 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 01:00:02,666 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 01:00:02,667 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2023-11-12 01:00:02,668 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 01:00:02,673 INFO L158 Benchmark]: Toolchain (without parser) took 1904.70ms. Allocated memory was 71.3MB in the beginning and 104.9MB in the end (delta: 33.6MB). Free memory was 46.6MB in the beginning and 51.5MB in the end (delta: -4.9MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2023-11-12 01:00:02,679 INFO L158 Benchmark]: CDTParser took 1.34ms. Allocated memory is still 71.3MB. Free memory was 47.1MB in the beginning and 47.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 01:00:02,680 INFO L158 Benchmark]: CACSL2BoogieTranslator took 935.74ms. Allocated memory was 71.3MB in the beginning and 104.9MB in the end (delta: 33.6MB). Free memory was 46.4MB in the beginning and 76.2MB in the end (delta: -29.7MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2023-11-12 01:00:02,681 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.35ms. Allocated memory is still 104.9MB. Free memory was 76.2MB in the beginning and 74.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 01:00:02,682 INFO L158 Benchmark]: Boogie Preprocessor took 91.26ms. Allocated memory is still 104.9MB. Free memory was 74.1MB in the beginning and 72.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 01:00:02,683 INFO L158 Benchmark]: RCFGBuilder took 787.72ms. Allocated memory is still 104.9MB. Free memory was 72.0MB in the beginning and 51.5MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-12 01:00:02,687 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.34ms. Allocated memory is still 71.3MB. Free memory was 47.1MB in the beginning and 47.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 935.74ms. Allocated memory was 71.3MB in the beginning and 104.9MB in the end (delta: 33.6MB). Free memory was 46.4MB in the beginning and 76.2MB in the end (delta: -29.7MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.35ms. Allocated memory is still 104.9MB. Free memory was 76.2MB in the beginning and 74.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.26ms. Allocated memory is still 104.9MB. Free memory was 74.1MB in the beginning and 72.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 787.72ms. Allocated memory is still 104.9MB. Free memory was 72.0MB in the beginning and 51.5MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. 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. [2023-11-12 01:00:02,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_982861f8-a3a4-408a-90d4-0a17a3e7f8cc/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?