./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 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_b47dd632-e3b6-4f05-95a1-ccc35aa86e89/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47dd632-e3b6-4f05-95a1-ccc35aa86e89/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47dd632-e3b6-4f05-95a1-ccc35aa86e89/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47dd632-e3b6-4f05-95a1-ccc35aa86e89/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47dd632-e3b6-4f05-95a1-ccc35aa86e89/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47dd632-e3b6-4f05-95a1-ccc35aa86e89/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:43:11,838 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:43:11,951 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47dd632-e3b6-4f05-95a1-ccc35aa86e89/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-06 22:43:11,959 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:43:11,960 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:43:11,997 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:43:11,999 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:43:11,999 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:43:12,001 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:43:12,006 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:43:12,007 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:43:12,008 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:43:12,008 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:43:12,010 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:43:12,011 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:43:12,011 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:43:12,012 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:43:12,012 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:43:12,013 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:43:12,013 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:43:12,013 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:43:12,014 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:43:12,015 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 22:43:12,015 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:43:12,016 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:43:12,016 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:43:12,016 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:43:12,017 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:43:12,018 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:43:12,018 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:43:12,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:43:12,020 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:43:12,021 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:43:12,021 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:43:12,021 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:43:12,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:43:12,022 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:43:12,022 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:43:12,022 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:43:12,023 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:43:12,023 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:43:12,023 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_b47dd632-e3b6-4f05-95a1-ccc35aa86e89/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47dd632-e3b6-4f05-95a1-ccc35aa86e89/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2023-11-06 22:43:12,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:43:12,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:43:12,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:43:12,341 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:43:12,342 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:43:12,343 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47dd632-e3b6-4f05-95a1-ccc35aa86e89/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2023-11-06 22:43:15,326 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:43:15,611 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:43:15,612 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47dd632-e3b6-4f05-95a1-ccc35aa86e89/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2023-11-06 22:43:15,627 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47dd632-e3b6-4f05-95a1-ccc35aa86e89/bin/uautomizer-verify-WvqO1wxjHP/data/5a9b06112/27d9507a083041bb99a11388d3ebcfe4/FLAG7b2794f69 [2023-11-06 22:43:15,640 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47dd632-e3b6-4f05-95a1-ccc35aa86e89/bin/uautomizer-verify-WvqO1wxjHP/data/5a9b06112/27d9507a083041bb99a11388d3ebcfe4 [2023-11-06 22:43:15,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:43:15,644 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:43:15,645 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:43:15,646 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:43:15,654 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:43:15,655 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:43:15" (1/1) ... [2023-11-06 22:43:15,656 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f9f0393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:15, skipping insertion in model container [2023-11-06 22:43:15,656 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:43:15" (1/1) ... [2023-11-06 22:43:15,704 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:43:15,908 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 22:43:16,123 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:43:16,134 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:43:16,164 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 22:43:16,206 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:43:16,255 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:43:16,255 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:43:16,256 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:43:16,263 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:43:16,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:16 WrapperNode [2023-11-06 22:43:16,265 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:43:16,266 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:43:16,266 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:43:16,266 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:43:16,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:16" (1/1) ... [2023-11-06 22:43:16,310 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:16" (1/1) ... [2023-11-06 22:43:16,343 INFO L138 Inliner]: procedures = 171, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 77 [2023-11-06 22:43:16,343 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:43:16,344 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:43:16,344 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:43:16,345 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:43:16,355 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:16" (1/1) ... [2023-11-06 22:43:16,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:16" (1/1) ... [2023-11-06 22:43:16,358 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:16" (1/1) ... [2023-11-06 22:43:16,359 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:16" (1/1) ... [2023-11-06 22:43:16,363 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:16" (1/1) ... [2023-11-06 22:43:16,367 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:16" (1/1) ... [2023-11-06 22:43:16,369 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:16" (1/1) ... [2023-11-06 22:43:16,370 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:16" (1/1) ... [2023-11-06 22:43:16,373 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:43:16,374 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:43:16,374 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:43:16,375 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:43:16,375 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:16" (1/1) ... [2023-11-06 22:43:16,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:43:16,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47dd632-e3b6-4f05-95a1-ccc35aa86e89/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:16,415 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47dd632-e3b6-4f05-95a1-ccc35aa86e89/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:16,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47dd632-e3b6-4f05-95a1-ccc35aa86e89/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:43:16,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:43:16,457 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-06 22:43:16,457 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-06 22:43:16,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:43:16,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 22:43:16,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:43:16,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:43:16,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:43:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:43:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 22:43:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:43:16,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:43:16,463 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 22:43:16,610 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:43:16,612 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:43:16,767 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:43:16,913 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:43:16,919 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 22:43:16,921 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2023-11-06 22:43:16,921 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 22:43:16,926 INFO L158 Benchmark]: Toolchain (without parser) took 1281.05ms. Allocated memory is still 153.1MB. Free memory was 109.5MB in the beginning and 122.0MB in the end (delta: -12.5MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. [2023-11-06 22:43:16,927 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 153.1MB. Free memory was 127.1MB in the beginning and 126.9MB in the end (delta: 159.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:43:16,928 INFO L158 Benchmark]: CACSL2BoogieTranslator took 619.89ms. Allocated memory is still 153.1MB. Free memory was 109.4MB in the beginning and 89.6MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-06 22:43:16,929 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.50ms. Allocated memory is still 153.1MB. Free memory was 89.6MB in the beginning and 87.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:43:16,930 INFO L158 Benchmark]: Boogie Preprocessor took 29.40ms. Allocated memory is still 153.1MB. Free memory was 87.6MB in the beginning and 85.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:43:16,931 INFO L158 Benchmark]: RCFGBuilder took 549.79ms. Allocated memory is still 153.1MB. Free memory was 85.9MB in the beginning and 122.0MB in the end (delta: -36.1MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2023-11-06 22:43:16,934 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 153.1MB. Free memory was 127.1MB in the beginning and 126.9MB in the end (delta: 159.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 619.89ms. Allocated memory is still 153.1MB. Free memory was 109.4MB in the beginning and 89.6MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.50ms. Allocated memory is still 153.1MB. Free memory was 89.6MB in the beginning and 87.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.40ms. Allocated memory is still 153.1MB. Free memory was 87.6MB in the beginning and 85.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 549.79ms. Allocated memory is still 153.1MB. Free memory was 85.9MB in the beginning and 122.0MB in the end (delta: -36.1MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-06 22:43:16,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47dd632-e3b6-4f05-95a1-ccc35aa86e89/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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_b47dd632-e3b6-4f05-95a1-ccc35aa86e89/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47dd632-e3b6-4f05-95a1-ccc35aa86e89/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47dd632-e3b6-4f05-95a1-ccc35aa86e89/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47dd632-e3b6-4f05-95a1-ccc35aa86e89/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47dd632-e3b6-4f05-95a1-ccc35aa86e89/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47dd632-e3b6-4f05-95a1-ccc35aa86e89/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:43:19,618 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:43:19,758 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47dd632-e3b6-4f05-95a1-ccc35aa86e89/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2023-11-06 22:43:19,767 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:43:19,768 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:43:19,816 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:43:19,817 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:43:19,817 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:43:19,818 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:43:19,824 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:43:19,824 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:43:19,825 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:43:19,825 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:43:19,828 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:43:19,828 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:43:19,829 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:43:19,829 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:43:19,830 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:43:19,830 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:43:19,831 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:43:19,832 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:43:19,832 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:43:19,833 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:43:19,833 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 22:43:19,834 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:43:19,834 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:43:19,834 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:43:19,835 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:43:19,835 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:43:19,836 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:43:19,837 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:43:19,837 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:43:19,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:43:19,838 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:43:19,839 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:43:19,839 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:43:19,839 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:43:19,839 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:43:19,840 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:43:19,841 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:43:19,841 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:43:19,842 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:43:19,842 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:43:19,842 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:43:19,843 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_b47dd632-e3b6-4f05-95a1-ccc35aa86e89/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47dd632-e3b6-4f05-95a1-ccc35aa86e89/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2023-11-06 22:43:20,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:43:20,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:43:20,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:43:20,311 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:43:20,311 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:43:20,313 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47dd632-e3b6-4f05-95a1-ccc35aa86e89/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2023-11-06 22:43:23,536 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:43:23,844 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:43:23,844 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47dd632-e3b6-4f05-95a1-ccc35aa86e89/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2023-11-06 22:43:23,863 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47dd632-e3b6-4f05-95a1-ccc35aa86e89/bin/uautomizer-verify-WvqO1wxjHP/data/d3b6cdda5/70015a7a08774d33af825d82112f40df/FLAG962d85212 [2023-11-06 22:43:23,879 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47dd632-e3b6-4f05-95a1-ccc35aa86e89/bin/uautomizer-verify-WvqO1wxjHP/data/d3b6cdda5/70015a7a08774d33af825d82112f40df [2023-11-06 22:43:23,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:43:23,884 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:43:23,885 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:43:23,885 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:43:23,891 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:43:23,892 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:43:23" (1/1) ... [2023-11-06 22:43:23,893 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67375a83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:23, skipping insertion in model container [2023-11-06 22:43:23,893 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:43:23" (1/1) ... [2023-11-06 22:43:23,973 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:43:24,153 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 22:43:24,299 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:43:24,316 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:43:24,346 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 22:43:24,394 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:43:24,442 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:43:24,443 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:43:24,443 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:43:24,451 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:43:24,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:24 WrapperNode [2023-11-06 22:43:24,451 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:43:24,452 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:43:24,453 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:43:24,453 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:43:24,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:24" (1/1) ... [2023-11-06 22:43:24,486 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:24" (1/1) ... [2023-11-06 22:43:24,529 INFO L138 Inliner]: procedures = 175, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 78 [2023-11-06 22:43:24,532 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:43:24,533 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:43:24,533 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:43:24,533 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:43:24,543 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:24" (1/1) ... [2023-11-06 22:43:24,543 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:24" (1/1) ... [2023-11-06 22:43:24,569 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:24" (1/1) ... [2023-11-06 22:43:24,569 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:24" (1/1) ... [2023-11-06 22:43:24,578 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:24" (1/1) ... [2023-11-06 22:43:24,588 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:24" (1/1) ... [2023-11-06 22:43:24,591 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:24" (1/1) ... [2023-11-06 22:43:24,593 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:24" (1/1) ... [2023-11-06 22:43:24,597 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:43:24,598 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:43:24,598 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:43:24,598 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:43:24,599 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:24" (1/1) ... [2023-11-06 22:43:24,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:43:24,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47dd632-e3b6-4f05-95a1-ccc35aa86e89/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:24,641 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47dd632-e3b6-4f05-95a1-ccc35aa86e89/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:24,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47dd632-e3b6-4f05-95a1-ccc35aa86e89/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:43:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 22:43:24,695 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-06 22:43:24,695 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-06 22:43:24,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 22:43:24,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:43:24,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:43:24,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:43:24,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 22:43:24,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:43:24,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-06 22:43:24,698 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 22:43:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:43:24,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:43:24,701 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 22:43:24,907 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:43:24,919 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:43:25,130 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:43:25,250 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:43:25,251 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 22:43:25,252 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2023-11-06 22:43:25,252 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 22:43:25,263 INFO L158 Benchmark]: Toolchain (without parser) took 1378.90ms. Allocated memory is still 100.7MB. Free memory was 75.2MB in the beginning and 57.3MB in the end (delta: 17.9MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2023-11-06 22:43:25,264 INFO L158 Benchmark]: CDTParser took 2.15ms. Allocated memory is still 73.4MB. Free memory is still 50.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:43:25,264 INFO L158 Benchmark]: CACSL2BoogieTranslator took 566.71ms. Allocated memory is still 100.7MB. Free memory was 75.2MB in the beginning and 54.5MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-06 22:43:25,265 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.79ms. Allocated memory is still 100.7MB. Free memory was 54.5MB in the beginning and 79.6MB in the end (delta: -25.1MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2023-11-06 22:43:25,266 INFO L158 Benchmark]: Boogie Preprocessor took 64.38ms. Allocated memory is still 100.7MB. Free memory was 79.6MB in the beginning and 78.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:43:25,266 INFO L158 Benchmark]: RCFGBuilder took 663.19ms. Allocated memory is still 100.7MB. Free memory was 77.5MB in the beginning and 57.3MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 22:43:25,270 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.15ms. Allocated memory is still 73.4MB. Free memory is still 50.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 566.71ms. Allocated memory is still 100.7MB. Free memory was 75.2MB in the beginning and 54.5MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.79ms. Allocated memory is still 100.7MB. Free memory was 54.5MB in the beginning and 79.6MB in the end (delta: -25.1MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.38ms. Allocated memory is still 100.7MB. Free memory was 79.6MB in the beginning and 78.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 663.19ms. Allocated memory is still 100.7MB. Free memory was 77.5MB in the beginning and 57.3MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. 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 22:43:25,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b47dd632-e3b6-4f05-95a1-ccc35aa86e89/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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?