./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 2329fc70 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_46055ba0-0199-4451-85d5-6fdf60df80e2/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46055ba0-0199-4451-85d5-6fdf60df80e2/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46055ba0-0199-4451-85d5-6fdf60df80e2/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46055ba0-0199-4451-85d5-6fdf60df80e2/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46055ba0-0199-4451-85d5-6fdf60df80e2/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46055ba0-0199-4451-85d5-6fdf60df80e2/bin/utaipan-gh47qXpMRh --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 08:08:34,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:08:34,321 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:08:34,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:08:34,341 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:08:34,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:08:34,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:08:34,345 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:08:34,346 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:08:34,347 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:08:34,348 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:08:34,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:08:34,350 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:08:34,351 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:08:34,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:08:34,353 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:08:34,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:08:34,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:08:34,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:08:34,358 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:08:34,360 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:08:34,361 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:08:34,362 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:08:34,362 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:08:34,365 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:08:34,365 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:08:34,365 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:08:34,366 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:08:34,366 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:08:34,367 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:08:34,367 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:08:34,367 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:08:34,368 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:08:34,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:08:34,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:08:34,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:08:34,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:08:34,370 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:08:34,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:08:34,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:08:34,371 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:08:34,372 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46055ba0-0199-4451-85d5-6fdf60df80e2/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-12-14 08:08:34,387 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:08:34,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:08:34,388 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:08:34,388 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:08:34,388 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:08:34,388 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:08:34,389 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:08:34,389 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:08:34,389 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:08:34,389 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:08:34,389 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:08:34,389 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:08:34,389 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:08:34,389 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:08:34,390 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:08:34,390 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:08:34,390 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:08:34,390 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:08:34,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:08:34,391 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 08:08:34,391 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 08:08:34,391 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:08:34,391 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 08:08:34,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:08:34,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:08:34,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:08:34,391 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:08:34,391 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 08:08:34,392 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 08:08:34,392 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:08:34,392 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:08:34,392 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:08:34,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:08:34,392 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:08:34,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:08:34,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:08:34,393 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:08:34,393 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:08:34,393 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:08:34,393 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:08:34,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:08:34,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:08:34,393 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:08:34,393 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_46055ba0-0199-4451-85d5-6fdf60df80e2/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46055ba0-0199-4451-85d5-6fdf60df80e2/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2022-12-14 08:08:34,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:08:34,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:08:34,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:08:34,612 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:08:34,612 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:08:34,617 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46055ba0-0199-4451-85d5-6fdf60df80e2/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-12-14 08:08:37,191 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:08:37,386 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:08:37,387 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46055ba0-0199-4451-85d5-6fdf60df80e2/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-12-14 08:08:37,395 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46055ba0-0199-4451-85d5-6fdf60df80e2/bin/utaipan-gh47qXpMRh/data/295f576cf/44441645e0cd494abf24f4046de95fa0/FLAG693ec9736 [2022-12-14 08:08:37,784 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46055ba0-0199-4451-85d5-6fdf60df80e2/bin/utaipan-gh47qXpMRh/data/295f576cf/44441645e0cd494abf24f4046de95fa0 [2022-12-14 08:08:37,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:08:37,788 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:08:37,788 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:08:37,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:08:37,792 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:08:37,793 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:08:37" (1/1) ... [2022-12-14 08:08:37,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d74228d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:37, skipping insertion in model container [2022-12-14 08:08:37,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:08:37" (1/1) ... [2022-12-14 08:08:37,800 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:08:37,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:08:37,938 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 08:08:38,024 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:08:38,025 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:08:38,027 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:08:38,028 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46055ba0-0199-4451-85d5-6fdf60df80e2/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-12-14 08:08:38,028 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:08:38,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:08:38,039 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:08:38,053 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 08:08:38,073 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:08:38,073 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:08:38,074 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:08:38,075 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46055ba0-0199-4451-85d5-6fdf60df80e2/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-12-14 08:08:38,075 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:08:38,077 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:08:38,105 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:08:38,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:38 WrapperNode [2022-12-14 08:08:38,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:08:38,106 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:08:38,107 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:08:38,107 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:08:38,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:38" (1/1) ... [2022-12-14 08:08:38,125 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:38" (1/1) ... [2022-12-14 08:08:38,143 INFO L138 Inliner]: procedures = 171, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2022-12-14 08:08:38,144 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:08:38,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:08:38,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:08:38,145 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:08:38,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:38" (1/1) ... [2022-12-14 08:08:38,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:38" (1/1) ... [2022-12-14 08:08:38,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:38" (1/1) ... [2022-12-14 08:08:38,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:38" (1/1) ... [2022-12-14 08:08:38,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:38" (1/1) ... [2022-12-14 08:08:38,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:38" (1/1) ... [2022-12-14 08:08:38,165 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:38" (1/1) ... [2022-12-14 08:08:38,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:38" (1/1) ... [2022-12-14 08:08:38,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:08:38,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:08:38,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:08:38,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:08:38,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:38" (1/1) ... [2022-12-14 08:08:38,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:08:38,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46055ba0-0199-4451-85d5-6fdf60df80e2/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:08:38,196 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46055ba0-0199-4451-85d5-6fdf60df80e2/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:08:38,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46055ba0-0199-4451-85d5-6fdf60df80e2/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:08:38,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 08:08:38,231 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-14 08:08:38,231 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-14 08:08:38,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 08:08:38,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 08:08:38,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:08:38,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 08:08:38,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 08:08:38,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 08:08:38,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 08:08:38,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:08:38,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:08:38,234 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 08:08:38,330 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:08:38,331 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:08:38,464 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:08:38,539 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:08:38,540 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 08:08:38,541 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2022-12-14 08:08:38,541 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:303) 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) [2022-12-14 08:08:38,545 INFO L158 Benchmark]: Toolchain (without parser) took 756.52ms. Allocated memory was 123.7MB in the beginning and 178.3MB in the end (delta: 54.5MB). Free memory was 88.2MB in the beginning and 147.8MB in the end (delta: -59.6MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. [2022-12-14 08:08:38,545 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 123.7MB. Free memory is still 100.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:08:38,546 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.40ms. Allocated memory is still 123.7MB. Free memory was 87.8MB in the beginning and 68.1MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 08:08:38,546 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.42ms. Allocated memory is still 123.7MB. Free memory was 68.1MB in the beginning and 65.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:08:38,547 INFO L158 Benchmark]: Boogie Preprocessor took 24.16ms. Allocated memory is still 123.7MB. Free memory was 65.9MB in the beginning and 64.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:08:38,547 INFO L158 Benchmark]: RCFGBuilder took 374.27ms. Allocated memory was 123.7MB in the beginning and 178.3MB in the end (delta: 54.5MB). Free memory was 64.7MB in the beginning and 147.8MB in the end (delta: -83.1MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2022-12-14 08:08:38,550 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 123.7MB. Free memory is still 100.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.40ms. Allocated memory is still 123.7MB. Free memory was 87.8MB in the beginning and 68.1MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.42ms. Allocated memory is still 123.7MB. Free memory was 68.1MB in the beginning and 65.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.16ms. Allocated memory is still 123.7MB. Free memory was 65.9MB in the beginning and 64.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 374.27ms. Allocated memory was 123.7MB in the beginning and 178.3MB in the end (delta: 54.5MB). Free memory was 64.7MB in the beginning and 147.8MB in the end (delta: -83.1MB). Peak memory consumption was 27.4MB. 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:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 08:08:38,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46055ba0-0199-4451-85d5-6fdf60df80e2/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46055ba0-0199-4451-85d5-6fdf60df80e2/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46055ba0-0199-4451-85d5-6fdf60df80e2/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46055ba0-0199-4451-85d5-6fdf60df80e2/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46055ba0-0199-4451-85d5-6fdf60df80e2/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/02_inc_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46055ba0-0199-4451-85d5-6fdf60df80e2/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46055ba0-0199-4451-85d5-6fdf60df80e2/bin/utaipan-gh47qXpMRh --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 08:08:40,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:08:40,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:08:40,117 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:08:40,117 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:08:40,118 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:08:40,119 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:08:40,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:08:40,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:08:40,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:08:40,122 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:08:40,123 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:08:40,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:08:40,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:08:40,125 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:08:40,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:08:40,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:08:40,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:08:40,128 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:08:40,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:08:40,130 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:08:40,131 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:08:40,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:08:40,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:08:40,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:08:40,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:08:40,136 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:08:40,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:08:40,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:08:40,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:08:40,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:08:40,138 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:08:40,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:08:40,140 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:08:40,141 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:08:40,141 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:08:40,141 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:08:40,142 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:08:40,142 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:08:40,142 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:08:40,143 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:08:40,144 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46055ba0-0199-4451-85d5-6fdf60df80e2/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf [2022-12-14 08:08:40,160 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:08:40,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:08:40,160 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:08:40,161 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:08:40,161 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:08:40,161 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:08:40,161 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:08:40,162 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:08:40,162 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:08:40,162 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:08:40,162 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:08:40,162 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:08:40,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:08:40,163 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 08:08:40,163 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 08:08:40,163 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 08:08:40,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:08:40,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:08:40,163 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:08:40,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:08:40,163 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 08:08:40,164 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 08:08:40,164 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 08:08:40,164 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 08:08:40,164 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 08:08:40,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:08:40,164 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:08:40,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:08:40,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:08:40,165 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 08:08:40,165 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:08:40,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:08:40,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:08:40,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:08:40,165 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:08:40,165 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 08:08:40,165 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 08:08:40,166 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:08:40,166 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:08:40,166 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 08:08:40,166 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_worker_vcloud-master_on_vcloud-master/run_dir_46055ba0-0199-4451-85d5-6fdf60df80e2/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46055ba0-0199-4451-85d5-6fdf60df80e2/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2022-12-14 08:08:40,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:08:40,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:08:40,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:08:40,390 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:08:40,390 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:08:40,391 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46055ba0-0199-4451-85d5-6fdf60df80e2/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-12-14 08:08:43,018 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:08:43,241 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:08:43,242 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46055ba0-0199-4451-85d5-6fdf60df80e2/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-12-14 08:08:43,253 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46055ba0-0199-4451-85d5-6fdf60df80e2/bin/utaipan-gh47qXpMRh/data/ec98a2245/948a44e75619447e880b71b5d746a41d/FLAGc40205048 [2022-12-14 08:08:43,267 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46055ba0-0199-4451-85d5-6fdf60df80e2/bin/utaipan-gh47qXpMRh/data/ec98a2245/948a44e75619447e880b71b5d746a41d [2022-12-14 08:08:43,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:08:43,270 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:08:43,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:08:43,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:08:43,275 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:08:43,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:08:43" (1/1) ... [2022-12-14 08:08:43,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d21463d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:43, skipping insertion in model container [2022-12-14 08:08:43,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:08:43" (1/1) ... [2022-12-14 08:08:43,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:08:43,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:08:43,479 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 08:08:43,604 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:08:43,604 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:08:43,615 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:08:43,616 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46055ba0-0199-4451-85d5-6fdf60df80e2/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-12-14 08:08:43,617 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:08:43,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:08:43,641 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:08:43,655 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 08:08:43,675 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:08:43,676 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:08:43,677 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:08:43,678 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46055ba0-0199-4451-85d5-6fdf60df80e2/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-12-14 08:08:43,678 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:08:43,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:08:43,711 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:08:43,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:43 WrapperNode [2022-12-14 08:08:43,712 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:08:43,713 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:08:43,713 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:08:43,713 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:08:43,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:43" (1/1) ... [2022-12-14 08:08:43,737 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:43" (1/1) ... [2022-12-14 08:08:43,756 INFO L138 Inliner]: procedures = 175, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2022-12-14 08:08:43,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:08:43,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:08:43,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:08:43,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:08:43,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:43" (1/1) ... [2022-12-14 08:08:43,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:43" (1/1) ... [2022-12-14 08:08:43,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:43" (1/1) ... [2022-12-14 08:08:43,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:43" (1/1) ... [2022-12-14 08:08:43,777 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:43" (1/1) ... [2022-12-14 08:08:43,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:43" (1/1) ... [2022-12-14 08:08:43,784 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:43" (1/1) ... [2022-12-14 08:08:43,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:43" (1/1) ... [2022-12-14 08:08:43,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:08:43,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:08:43,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:08:43,788 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:08:43,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:08:43" (1/1) ... [2022-12-14 08:08:43,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:08:43,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46055ba0-0199-4451-85d5-6fdf60df80e2/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:08:43,813 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46055ba0-0199-4451-85d5-6fdf60df80e2/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:08:43,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46055ba0-0199-4451-85d5-6fdf60df80e2/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:08:43,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 08:08:43,847 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-14 08:08:43,848 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-14 08:08:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 08:08:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:08:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 08:08:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 08:08:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 08:08:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 08:08:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-14 08:08:43,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 08:08:43,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:08:43,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:08:43,854 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 08:08:43,956 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:08:43,958 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:08:44,090 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:08:44,133 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:08:44,133 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 08:08:44,133 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2022-12-14 08:08:44,134 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:303) 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) [2022-12-14 08:08:44,137 INFO L158 Benchmark]: Toolchain (without parser) took 865.93ms. Allocated memory is still 65.0MB. Free memory was 42.5MB in the beginning and 30.0MB in the end (delta: 12.5MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2022-12-14 08:08:44,137 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 50.3MB. Free memory is still 28.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 08:08:44,137 INFO L158 Benchmark]: CACSL2BoogieTranslator took 440.88ms. Allocated memory is still 65.0MB. Free memory was 42.3MB in the beginning and 36.5MB in the end (delta: 5.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 08:08:44,138 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.00ms. Allocated memory is still 65.0MB. Free memory was 36.3MB in the beginning and 34.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:08:44,138 INFO L158 Benchmark]: Boogie Preprocessor took 30.51ms. Allocated memory is still 65.0MB. Free memory was 34.2MB in the beginning and 32.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 08:08:44,139 INFO L158 Benchmark]: RCFGBuilder took 347.73ms. Allocated memory is still 65.0MB. Free memory was 32.3MB in the beginning and 30.0MB in the end (delta: 2.3MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2022-12-14 08:08:44,140 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 50.3MB. Free memory is still 28.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 440.88ms. Allocated memory is still 65.0MB. Free memory was 42.3MB in the beginning and 36.5MB in the end (delta: 5.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.00ms. Allocated memory is still 65.0MB. Free memory was 36.3MB in the beginning and 34.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.51ms. Allocated memory is still 65.0MB. Free memory was 34.2MB in the beginning and 32.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 347.73ms. Allocated memory is still 65.0MB. Free memory was 32.3MB in the beginning and 30.0MB in the end (delta: 2.3MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 08:08:44,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46055ba0-0199-4451-85d5-6fdf60df80e2/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?