./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d8bb7862-2d02-43df-bca9-dc15ec8c0c3e/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d8bb7862-2d02-43df-bca9-dc15ec8c0c3e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d8bb7862-2d02-43df-bca9-dc15ec8c0c3e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d8bb7862-2d02-43df-bca9-dc15ec8c0c3e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud-vcloud-master/worker/run_dir_d8bb7862-2d02-43df-bca9-dc15ec8c0c3e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d8bb7862-2d02-43df-bca9-dc15ec8c0c3e/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d1f28632ee7f312e6c73628a94e0daaebaf566ee ............................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d8bb7862-2d02-43df-bca9-dc15ec8c0c3e/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d8bb7862-2d02-43df-bca9-dc15ec8c0c3e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d8bb7862-2d02-43df-bca9-dc15ec8c0c3e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d8bb7862-2d02-43df-bca9-dc15ec8c0c3e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud-vcloud-master/worker/run_dir_d8bb7862-2d02-43df-bca9-dc15ec8c0c3e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d8bb7862-2d02-43df-bca9-dc15ec8c0c3e/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d1f28632ee7f312e6c73628a94e0daaebaf566ee .......................................................................................................................................................................................................... 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? --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:39:32,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:39:32,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:39:32,311 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:39:32,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:39:32,313 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:39:32,315 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:39:32,327 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:39:32,330 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:39:32,335 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:39:32,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:39:32,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:39:32,343 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:39:32,344 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:39:32,345 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:39:32,347 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:39:32,348 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:39:32,349 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:39:32,351 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:39:32,354 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:39:32,356 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:39:32,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:39:32,362 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:39:32,364 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:39:32,369 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:39:32,375 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:39:32,376 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:39:32,377 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:39:32,378 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:39:32,380 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:39:32,380 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:39:32,381 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:39:32,383 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:39:32,384 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:39:32,386 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:39:32,387 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:39:32,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:39:32,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:39:32,390 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:39:32,391 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:39:32,391 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:39:32,394 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d8bb7862-2d02-43df-bca9-dc15ec8c0c3e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-28 07:39:32,435 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:39:32,435 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:39:32,437 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:39:32,437 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:39:32,437 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:39:32,437 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:39:32,438 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:39:32,438 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:39:32,438 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:39:32,438 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:39:32,439 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:39:32,440 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:39:32,440 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:39:32,440 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:39:32,440 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:39:32,441 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:39:32,441 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:39:32,441 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:39:32,441 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:39:32,441 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:39:32,441 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:39:32,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:39:32,441 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:39:32,442 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:39:32,442 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:39:32,442 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:39:32,442 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:39:32,442 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:39:32,442 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:39:32,442 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:39:32,443 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:39:32,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:39:32,443 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:39:32,443 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:39:32,443 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:39:32,444 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:39:32,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:39:32,444 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:39:32,444 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:39:32,444 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:39:32,444 INFO L138 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-vcloud-master/worker/run_dir_d8bb7862-2d02-43df-bca9-dc15ec8c0c3e/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d8bb7862-2d02-43df-bca9-dc15ec8c0c3e/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1f28632ee7f312e6c73628a94e0daaebaf566ee [2020-11-28 07:39:32,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:39:32,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:39:32,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:39:32,751 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:39:32,752 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:39:32,753 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d8bb7862-2d02-43df-bca9-dc15ec8c0c3e/bin/utaipan/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2020-11-28 07:39:32,849 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d8bb7862-2d02-43df-bca9-dc15ec8c0c3e/bin/utaipan/data/e628bea8c/74838c3614ae4496916fbdaeecc613b2/FLAG7ab2b0d99 [2020-11-28 07:39:33,367 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:39:33,368 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d8bb7862-2d02-43df-bca9-dc15ec8c0c3e/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2020-11-28 07:39:33,384 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d8bb7862-2d02-43df-bca9-dc15ec8c0c3e/bin/utaipan/data/e628bea8c/74838c3614ae4496916fbdaeecc613b2/FLAG7ab2b0d99 [2020-11-28 07:39:33,700 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d8bb7862-2d02-43df-bca9-dc15ec8c0c3e/bin/utaipan/data/e628bea8c/74838c3614ae4496916fbdaeecc613b2 [2020-11-28 07:39:33,706 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:39:33,708 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:39:33,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:39:33,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:39:33,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:39:33,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:39:33" (1/1) ... [2020-11-28 07:39:33,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46f69404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:33, skipping insertion in model container [2020-11-28 07:39:33,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:39:33" (1/1) ... [2020-11-28 07:39:33,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:39:33,776 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:39:33,975 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-11-28 07:39:34,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:39:34,158 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:39:34,187 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-11-28 07:39:34,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:39:34,297 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:39:34,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:34 WrapperNode [2020-11-28 07:39:34,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:39:34,299 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:39:34,300 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:39:34,300 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:39:34,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:34" (1/1) ... [2020-11-28 07:39:34,340 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:34" (1/1) ... [2020-11-28 07:39:34,377 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:39:34,378 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:39:34,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:39:34,380 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:39:34,388 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:34" (1/1) ... [2020-11-28 07:39:34,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:34" (1/1) ... [2020-11-28 07:39:34,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:34" (1/1) ... [2020-11-28 07:39:34,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:34" (1/1) ... [2020-11-28 07:39:34,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:34" (1/1) ... [2020-11-28 07:39:34,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:34" (1/1) ... [2020-11-28 07:39:34,418 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:34" (1/1) ... [2020-11-28 07:39:34,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:39:34,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:39:34,431 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:39:34,431 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:39:34,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d8bb7862-2d02-43df-bca9-dc15ec8c0c3e/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:39:34,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 07:39:34,515 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-11-28 07:39:34,516 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-11-28 07:39:34,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 07:39:34,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-28 07:39:34,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:39:34,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 07:39:34,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 07:39:34,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-28 07:39:34,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:39:34,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:39:34,518 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-28 07:39:35,199 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:39:35,199 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-28 07:39:35,200 WARN L322 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor error location. [2020-11-28 07:39:35,201 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:301) 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:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2020-11-28 07:39:35,205 INFO L168 Benchmark]: Toolchain (without parser) took 1495.95 ms. Allocated memory was 90.2 MB in the beginning and 119.5 MB in the end (delta: 29.4 MB). Free memory was 56.9 MB in the beginning and 67.3 MB in the end (delta: -10.4 MB). Peak memory consumption was 24.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:35,206 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 90.2 MB. Free memory was 47.0 MB in the beginning and 46.9 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:39:35,207 INFO L168 Benchmark]: CACSL2BoogieTranslator took 584.29 ms. Allocated memory is still 90.2 MB. Free memory was 56.7 MB in the beginning and 47.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:35,207 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.64 ms. Allocated memory is still 90.2 MB. Free memory was 47.2 MB in the beginning and 45.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:35,208 INFO L168 Benchmark]: Boogie Preprocessor took 52.06 ms. Allocated memory is still 90.2 MB. Free memory was 45.4 MB in the beginning and 44.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:35,209 INFO L168 Benchmark]: RCFGBuilder took 772.13 ms. Allocated memory was 90.2 MB in the beginning and 119.5 MB in the end (delta: 29.4 MB). Free memory was 44.0 MB in the beginning and 67.3 MB in the end (delta: -23.3 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:35,213 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 90.2 MB. Free memory was 47.0 MB in the beginning and 46.9 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 584.29 ms. Allocated memory is still 90.2 MB. Free memory was 56.7 MB in the beginning and 47.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 77.64 ms. Allocated memory is still 90.2 MB. Free memory was 47.2 MB in the beginning and 45.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.06 ms. Allocated memory is still 90.2 MB. Free memory was 45.4 MB in the beginning and 44.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 772.13 ms. Allocated memory was 90.2 MB in the beginning and 119.5 MB in the end (delta: 29.4 MB). Free memory was 44.0 MB in the beginning and 67.3 MB in the end (delta: -23.3 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. * 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:301) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:39:37,686 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:39:37,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:39:37,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:39:37,739 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:39:37,743 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:39:37,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:39:37,750 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:39:37,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:39:37,759 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:39:37,760 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:39:37,771 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:39:37,771 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:39:37,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:39:37,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:39:37,780 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:39:37,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:39:37,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:39:37,788 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:39:37,795 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:39:37,797 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:39:37,798 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:39:37,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:39:37,808 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:39:37,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:39:37,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:39:37,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:39:37,817 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:39:37,818 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:39:37,819 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:39:37,819 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:39:37,820 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:39:37,822 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:39:37,822 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:39:37,823 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:39:37,824 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:39:37,824 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:39:37,825 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:39:37,825 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:39:37,826 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:39:37,827 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:39:37,828 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d8bb7862-2d02-43df-bca9-dc15ec8c0c3e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-28 07:39:37,867 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:39:37,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:39:37,869 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:39:37,869 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:39:37,870 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:39:37,870 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:39:37,870 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:39:37,871 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:39:37,871 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:39:37,872 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:39:37,873 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:39:37,874 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:39:37,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:39:37,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:39:37,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:39:37,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:39:37,875 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:39:37,875 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:39:37,875 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:39:37,875 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:39:37,875 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:39:37,876 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:39:37,876 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:39:37,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:39:37,876 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:39:37,877 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:39:37,877 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:39:37,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:39:37,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:39:37,878 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:39:37,878 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:39:37,878 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:39:37,878 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:39:37,878 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:39:37,879 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:39:37,879 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:39:37,879 INFO L138 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-vcloud-master/worker/run_dir_d8bb7862-2d02-43df-bca9-dc15ec8c0c3e/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d8bb7862-2d02-43df-bca9-dc15ec8c0c3e/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1f28632ee7f312e6c73628a94e0daaebaf566ee [2020-11-28 07:39:38,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:39:38,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:39:38,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:39:38,280 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:39:38,280 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:39:38,281 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d8bb7862-2d02-43df-bca9-dc15ec8c0c3e/bin/utaipan/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2020-11-28 07:39:38,349 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d8bb7862-2d02-43df-bca9-dc15ec8c0c3e/bin/utaipan/data/86028d013/906139af89084c1980ad95fee69b2851/FLAG9f326f431 [2020-11-28 07:39:38,939 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:39:38,939 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d8bb7862-2d02-43df-bca9-dc15ec8c0c3e/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2020-11-28 07:39:38,968 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d8bb7862-2d02-43df-bca9-dc15ec8c0c3e/bin/utaipan/data/86028d013/906139af89084c1980ad95fee69b2851/FLAG9f326f431 [2020-11-28 07:39:39,359 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d8bb7862-2d02-43df-bca9-dc15ec8c0c3e/bin/utaipan/data/86028d013/906139af89084c1980ad95fee69b2851 [2020-11-28 07:39:39,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:39:39,362 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:39:39,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:39:39,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:39:39,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:39:39,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:39:39" (1/1) ... [2020-11-28 07:39:39,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44c1b3ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:39, skipping insertion in model container [2020-11-28 07:39:39,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:39:39" (1/1) ... [2020-11-28 07:39:39,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:39:39,446 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:39:39,596 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-11-28 07:39:39,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:39:39,800 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:39:39,815 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-11-28 07:39:39,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:39:39,936 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:39:39,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:39 WrapperNode [2020-11-28 07:39:39,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:39:39,938 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:39:39,938 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:39:39,938 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:39:39,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:39" (1/1) ... [2020-11-28 07:39:39,961 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:39" (1/1) ... [2020-11-28 07:39:39,980 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:39:39,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:39:39,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:39:39,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:39:39,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:39" (1/1) ... [2020-11-28 07:39:39,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:39" (1/1) ... [2020-11-28 07:39:39,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:39" (1/1) ... [2020-11-28 07:39:39,992 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:39" (1/1) ... [2020-11-28 07:39:40,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:39" (1/1) ... [2020-11-28 07:39:40,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:39" (1/1) ... [2020-11-28 07:39:40,007 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:39" (1/1) ... [2020-11-28 07:39:40,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:39:40,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:39:40,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:39:40,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:39:40,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d8bb7862-2d02-43df-bca9-dc15ec8c0c3e/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:39:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-28 07:39:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-11-28 07:39:40,084 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-11-28 07:39:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-28 07:39:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:39:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 07:39:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-28 07:39:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 07:39:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2020-11-28 07:39:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-28 07:39:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:39:40,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:39:40,087 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-28 07:39:40,886 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:39:40,886 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-28 07:39:40,887 WARN L322 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor error location. [2020-11-28 07:39:40,887 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:301) 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:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2020-11-28 07:39:40,892 INFO L168 Benchmark]: Toolchain (without parser) took 1527.95 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 25.4 MB in the beginning and 32.5 MB in the end (delta: -7.1 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:40,893 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 50.3 MB. Free memory was 32.2 MB in the beginning and 32.2 MB in the end (delta: 25.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:39:40,894 INFO L168 Benchmark]: CACSL2BoogieTranslator took 571.12 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 25.2 MB in the beginning and 38.1 MB in the end (delta: -13.0 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:40,894 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.58 ms. Allocated memory is still 60.8 MB. Free memory was 38.1 MB in the beginning and 36.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:40,895 INFO L168 Benchmark]: Boogie Preprocessor took 30.50 ms. Allocated memory is still 60.8 MB. Free memory was 36.0 MB in the beginning and 34.4 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:39:40,896 INFO L168 Benchmark]: RCFGBuilder took 878.07 ms. Allocated memory is still 60.8 MB. Free memory was 34.4 MB in the beginning and 32.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:40,900 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 50.3 MB. Free memory was 32.2 MB in the beginning and 32.2 MB in the end (delta: 25.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 571.12 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 25.2 MB in the beginning and 38.1 MB in the end (delta: -13.0 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.58 ms. Allocated memory is still 60.8 MB. Free memory was 38.1 MB in the beginning and 36.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.50 ms. Allocated memory is still 60.8 MB. Free memory was 36.0 MB in the beginning and 34.4 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 878.07 ms. Allocated memory is still 60.8 MB. Free memory was 34.4 MB in the beginning and 32.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. * 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:301) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...