./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 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2739d1-2786-4747-ad71-5ae0e6b8d34b/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2739d1-2786-4747-ad71-5ae0e6b8d34b/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_aa2739d1-2786-4747-ad71-5ae0e6b8d34b/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2739d1-2786-4747-ad71-5ae0e6b8d34b/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_aa2739d1-2786-4747-ad71-5ae0e6b8d34b/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2739d1-2786-4747-ad71-5ae0e6b8d34b/bin/utaipan-gh47qXpMRh --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 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 06:35:53,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:35:53,158 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:35:53,170 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:35:53,170 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:35:53,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:35:53,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:35:53,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:35:53,174 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:35:53,174 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:35:53,175 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:35:53,176 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:35:53,176 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:35:53,176 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:35:53,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:35:53,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:35:53,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:35:53,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:35:53,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:35:53,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:35:53,182 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:35:53,183 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:35:53,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:35:53,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:35:53,186 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:35:53,186 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:35:53,187 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:35:53,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:35:53,187 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:35:53,188 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:35:53,188 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:35:53,189 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:35:53,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:35:53,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:35:53,190 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:35:53,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:35:53,191 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:35:53,191 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:35:53,191 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:35:53,192 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:35:53,192 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:35:53,193 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2739d1-2786-4747-ad71-5ae0e6b8d34b/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 06:35:53,207 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:35:53,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:35:53,207 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:35:53,207 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:35:53,207 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:35:53,208 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:35:53,208 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:35:53,208 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:35:53,208 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:35:53,208 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 06:35:53,208 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:35:53,208 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:35:53,209 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 06:35:53,209 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 06:35:53,209 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:35:53,209 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 06:35:53,209 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 06:35:53,209 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 06:35:53,210 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:35:53,210 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 06:35:53,210 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 06:35:53,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 06:35:53,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:35:53,211 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 06:35:53,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:35:53,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 06:35:53,211 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 06:35:53,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 06:35:53,211 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:35:53,211 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 06:35:53,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:35:53,212 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:35:53,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:35:53,212 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:35:53,212 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 06:35:53,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:35:53,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 06:35:53,213 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 06:35:53,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 06:35:53,213 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 06:35:53,213 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:35:53,213 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_aa2739d1-2786-4747-ad71-5ae0e6b8d34b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2739d1-2786-4747-ad71-5ae0e6b8d34b/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2022-12-14 06:35:53,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:35:53,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:35:53,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:35:53,425 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:35:53,426 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:35:53,427 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2739d1-2786-4747-ad71-5ae0e6b8d34b/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-12-14 06:35:56,023 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:35:56,208 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:35:56,209 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2739d1-2786-4747-ad71-5ae0e6b8d34b/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-12-14 06:35:56,222 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2739d1-2786-4747-ad71-5ae0e6b8d34b/bin/utaipan-gh47qXpMRh/data/f4edd4429/ee63e51c512c4a02ae7e7ac9cad8fbae/FLAG8935e5e2b [2022-12-14 06:35:56,237 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2739d1-2786-4747-ad71-5ae0e6b8d34b/bin/utaipan-gh47qXpMRh/data/f4edd4429/ee63e51c512c4a02ae7e7ac9cad8fbae [2022-12-14 06:35:56,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:35:56,240 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:35:56,242 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:35:56,242 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:35:56,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:35:56,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:35:56" (1/1) ... [2022-12-14 06:35:56,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c428f56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:35:56, skipping insertion in model container [2022-12-14 06:35:56,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:35:56" (1/1) ... [2022-12-14 06:35:56,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:35:56,276 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:35:56,387 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 06:35:56,471 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:35:56,472 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:35:56,475 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:35:56,476 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_aa2739d1-2786-4747-ad71-5ae0e6b8d34b/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-12-14 06:35:56,480 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:35:56,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:35:56,490 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 06:35:56,501 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 06:35:56,517 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:35:56,518 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:35:56,518 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:35:56,519 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_aa2739d1-2786-4747-ad71-5ae0e6b8d34b/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-12-14 06:35:56,519 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:35:56,520 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:35:56,542 INFO L208 MainTranslator]: Completed translation [2022-12-14 06:35:56,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:35:56 WrapperNode [2022-12-14 06:35:56,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:35:56,543 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 06:35:56,543 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 06:35:56,543 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 06:35:56,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:35:56" (1/1) ... [2022-12-14 06:35:56,557 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:35:56" (1/1) ... [2022-12-14 06:35:56,572 INFO L138 Inliner]: procedures = 171, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2022-12-14 06:35:56,572 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 06:35:56,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 06:35:56,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 06:35:56,573 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 06:35:56,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:35:56" (1/1) ... [2022-12-14 06:35:56,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:35:56" (1/1) ... [2022-12-14 06:35:56,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:35:56" (1/1) ... [2022-12-14 06:35:56,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:35:56" (1/1) ... [2022-12-14 06:35:56,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:35:56" (1/1) ... [2022-12-14 06:35:56,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:35:56" (1/1) ... [2022-12-14 06:35:56,596 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:35:56" (1/1) ... [2022-12-14 06:35:56,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:35:56" (1/1) ... [2022-12-14 06:35:56,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 06:35:56,601 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 06:35:56,601 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 06:35:56,601 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 06:35:56,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:35:56" (1/1) ... [2022-12-14 06:35:56,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:35:56,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2739d1-2786-4747-ad71-5ae0e6b8d34b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:35:56,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2739d1-2786-4747-ad71-5ae0e6b8d34b/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 06:35:56,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2739d1-2786-4747-ad71-5ae0e6b8d34b/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 06:35:56,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 06:35:56,661 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-14 06:35:56,661 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-14 06:35:56,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 06:35:56,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 06:35:56,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 06:35:56,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 06:35:56,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 06:35:56,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 06:35:56,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 06:35:56,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 06:35:56,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 06:35:56,663 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 06:35:56,765 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 06:35:56,767 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 06:35:56,911 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 06:35:56,992 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 06:35:56,993 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 06:35:56,993 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2022-12-14 06:35:56,994 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 06:35:56,998 INFO L158 Benchmark]: Toolchain (without parser) took 756.51ms. Allocated memory is still 134.2MB. Free memory was 93.0MB in the beginning and 104.7MB in the end (delta: -11.7MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2022-12-14 06:35:56,999 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 134.2MB. Free memory was 105.9MB in the beginning and 105.7MB in the end (delta: 169.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 06:35:56,999 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.46ms. Allocated memory is still 134.2MB. Free memory was 93.0MB in the beginning and 72.9MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 06:35:57,000 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.44ms. Allocated memory is still 134.2MB. Free memory was 72.9MB in the beginning and 71.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 06:35:57,001 INFO L158 Benchmark]: Boogie Preprocessor took 27.37ms. Allocated memory is still 134.2MB. Free memory was 70.8MB in the beginning and 69.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 06:35:57,001 INFO L158 Benchmark]: RCFGBuilder took 395.17ms. Allocated memory is still 134.2MB. Free memory was 69.6MB in the beginning and 104.7MB in the end (delta: -35.1MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2022-12-14 06:35:57,004 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 134.2MB. Free memory was 105.9MB in the beginning and 105.7MB in the end (delta: 169.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.46ms. Allocated memory is still 134.2MB. Free memory was 93.0MB in the beginning and 72.9MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.44ms. Allocated memory is still 134.2MB. Free memory was 72.9MB in the beginning and 71.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.37ms. Allocated memory is still 134.2MB. Free memory was 70.8MB in the beginning and 69.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 395.17ms. Allocated memory is still 134.2MB. Free memory was 69.6MB in the beginning and 104.7MB in the end (delta: -35.1MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 06:35:57,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2739d1-2786-4747-ad71-5ae0e6b8d34b/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2739d1-2786-4747-ad71-5ae0e6b8d34b/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2739d1-2786-4747-ad71-5ae0e6b8d34b/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_aa2739d1-2786-4747-ad71-5ae0e6b8d34b/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2739d1-2786-4747-ad71-5ae0e6b8d34b/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_aa2739d1-2786-4747-ad71-5ae0e6b8d34b/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2739d1-2786-4747-ad71-5ae0e6b8d34b/bin/utaipan-gh47qXpMRh --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 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 06:35:58,776 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:35:58,779 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:35:58,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:35:58,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:35:58,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:35:58,808 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:35:58,811 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:35:58,814 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:35:58,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:35:58,817 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:35:58,818 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:35:58,819 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:35:58,820 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:35:58,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:35:58,824 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:35:58,825 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:35:58,826 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:35:58,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:35:58,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:35:58,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:35:58,831 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:35:58,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:35:58,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:35:58,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:35:58,836 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:35:58,837 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:35:58,837 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:35:58,838 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:35:58,839 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:35:58,839 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:35:58,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:35:58,841 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:35:58,841 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:35:58,842 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:35:58,842 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:35:58,843 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:35:58,843 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:35:58,843 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:35:58,844 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:35:58,845 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:35:58,846 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2739d1-2786-4747-ad71-5ae0e6b8d34b/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-12-14 06:35:58,869 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:35:58,869 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:35:58,869 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:35:58,870 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:35:58,870 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:35:58,871 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:35:58,871 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:35:58,871 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:35:58,871 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:35:58,871 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:35:58,871 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:35:58,872 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:35:58,872 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:35:58,873 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 06:35:58,873 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 06:35:58,873 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:35:58,873 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 06:35:58,873 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:35:58,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 06:35:58,874 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 06:35:58,874 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 06:35:58,874 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 06:35:58,874 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 06:35:58,874 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 06:35:58,875 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:35:58,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 06:35:58,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:35:58,875 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 06:35:58,875 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:35:58,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:35:58,876 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:35:58,881 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:35:58,881 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 06:35:58,881 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 06:35:58,881 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 06:35:58,882 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 06:35:58,882 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:35:58,882 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 06:35:58,882 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_aa2739d1-2786-4747-ad71-5ae0e6b8d34b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2739d1-2786-4747-ad71-5ae0e6b8d34b/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede09850ec25b369afc0cd16258beff942f9fc7c5304532be31fd5925a934e14 [2022-12-14 06:35:59,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:35:59,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:35:59,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:35:59,131 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:35:59,131 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:35:59,132 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2739d1-2786-4747-ad71-5ae0e6b8d34b/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-12-14 06:36:01,729 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:36:01,907 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:36:01,908 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2739d1-2786-4747-ad71-5ae0e6b8d34b/sv-benchmarks/c/pthread-ext/02_inc_cas.i [2022-12-14 06:36:01,917 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2739d1-2786-4747-ad71-5ae0e6b8d34b/bin/utaipan-gh47qXpMRh/data/9d2c0f8d8/c251b5d8ff2048ca9c7ea4a32c42256f/FLAG4e29c917f [2022-12-14 06:36:01,928 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2739d1-2786-4747-ad71-5ae0e6b8d34b/bin/utaipan-gh47qXpMRh/data/9d2c0f8d8/c251b5d8ff2048ca9c7ea4a32c42256f [2022-12-14 06:36:01,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:36:01,931 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:36:01,932 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:36:01,932 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:36:01,935 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:36:01,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:36:01" (1/1) ... [2022-12-14 06:36:01,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35704d23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:01, skipping insertion in model container [2022-12-14 06:36:01,936 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:36:01" (1/1) ... [2022-12-14 06:36:01,941 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:36:01,971 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:36:02,101 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 06:36:02,178 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:36:02,178 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:36:02,181 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:36:02,182 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_aa2739d1-2786-4747-ad71-5ae0e6b8d34b/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-12-14 06:36:02,185 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:36:02,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:36:02,198 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 06:36:02,209 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 06:36:02,227 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:36:02,228 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:36:02,229 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 06:36:02,229 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_aa2739d1-2786-4747-ad71-5ae0e6b8d34b/sv-benchmarks/c/pthread-ext/02_inc_cas.i[30873,30886] [2022-12-14 06:36:02,230 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 06:36:02,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:36:02,258 INFO L208 MainTranslator]: Completed translation [2022-12-14 06:36:02,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:02 WrapperNode [2022-12-14 06:36:02,259 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:36:02,260 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 06:36:02,260 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 06:36:02,260 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 06:36:02,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:02" (1/1) ... [2022-12-14 06:36:02,279 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:02" (1/1) ... [2022-12-14 06:36:02,293 INFO L138 Inliner]: procedures = 175, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2022-12-14 06:36:02,293 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 06:36:02,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 06:36:02,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 06:36:02,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 06:36:02,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:02" (1/1) ... [2022-12-14 06:36:02,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:02" (1/1) ... [2022-12-14 06:36:02,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:02" (1/1) ... [2022-12-14 06:36:02,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:02" (1/1) ... [2022-12-14 06:36:02,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:02" (1/1) ... [2022-12-14 06:36:02,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:02" (1/1) ... [2022-12-14 06:36:02,311 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:02" (1/1) ... [2022-12-14 06:36:02,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:02" (1/1) ... [2022-12-14 06:36:02,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 06:36:02,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 06:36:02,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 06:36:02,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 06:36:02,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:02" (1/1) ... [2022-12-14 06:36:02,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:36:02,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2739d1-2786-4747-ad71-5ae0e6b8d34b/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:36:02,339 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2739d1-2786-4747-ad71-5ae0e6b8d34b/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 06:36:02,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2739d1-2786-4747-ad71-5ae0e6b8d34b/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 06:36:02,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 06:36:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-14 06:36:02,366 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-14 06:36:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 06:36:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 06:36:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 06:36:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 06:36:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 06:36:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 06:36:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-14 06:36:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 06:36:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 06:36:02,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 06:36:02,367 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 06:36:02,474 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 06:36:02,475 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 06:36:02,638 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 06:36:02,700 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 06:36:02,700 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 06:36:02,701 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L718-2 is neither atomic block end nor a sink node. [2022-12-14 06:36:02,701 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 06:36:02,705 INFO L158 Benchmark]: Toolchain (without parser) took 773.20ms. Allocated memory is still 73.4MB. Free memory was 50.4MB in the beginning and 45.4MB in the end (delta: 5.0MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2022-12-14 06:36:02,705 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 56.6MB. Free memory is still 35.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 06:36:02,705 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.43ms. Allocated memory is still 73.4MB. Free memory was 50.2MB in the beginning and 47.1MB in the end (delta: 3.1MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2022-12-14 06:36:02,706 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.31ms. Allocated memory is still 73.4MB. Free memory was 47.1MB in the beginning and 45.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 06:36:02,706 INFO L158 Benchmark]: Boogie Preprocessor took 20.87ms. Allocated memory is still 73.4MB. Free memory was 45.0MB in the beginning and 43.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 06:36:02,706 INFO L158 Benchmark]: RCFGBuilder took 388.63ms. Allocated memory is still 73.4MB. Free memory was 43.2MB in the beginning and 45.4MB in the end (delta: -2.2MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2022-12-14 06:36:02,708 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 56.6MB. Free memory is still 35.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.43ms. Allocated memory is still 73.4MB. Free memory was 50.2MB in the beginning and 47.1MB in the end (delta: 3.1MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.31ms. Allocated memory is still 73.4MB. Free memory was 47.1MB in the beginning and 45.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.87ms. Allocated memory is still 73.4MB. Free memory was 45.0MB in the beginning and 43.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 388.63ms. Allocated memory is still 73.4MB. Free memory was 43.2MB in the beginning and 45.4MB in the end (delta: -2.2MB). Peak memory consumption was 15.1MB. 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 06:36:02,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2739d1-2786-4747-ad71-5ae0e6b8d34b/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?