./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-atomic/read_write_lock-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_0d724a53-d0f1-497e-9434-7190333c1a95/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d724a53-d0f1-497e-9434-7190333c1a95/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d724a53-d0f1-497e-9434-7190333c1a95/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d724a53-d0f1-497e-9434-7190333c1a95/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-atomic/read_write_lock-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d724a53-d0f1-497e-9434-7190333c1a95/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d724a53-d0f1-497e-9434-7190333c1a95/bin/ukojak-rkRKPMF4O4 --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8fab2e995569cc819974baee7d52d8d4bdabd2a2896c83fb3b8d07b44f394c5b --- 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 18:09:36,201 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:09:36,203 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:09:36,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:09:36,221 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:09:36,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:09:36,223 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:09:36,225 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:09:36,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:09:36,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:09:36,228 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:09:36,229 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:09:36,230 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:09:36,231 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:09:36,232 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:09:36,233 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:09:36,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:09:36,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:09:36,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:09:36,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:09:36,239 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:09:36,241 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:09:36,242 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:09:36,243 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:09:36,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:09:36,246 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:09:36,247 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:09:36,248 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:09:36,248 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:09:36,249 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:09:36,249 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:09:36,250 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:09:36,251 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:09:36,252 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:09:36,253 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:09:36,253 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:09:36,254 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:09:36,254 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:09:36,254 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:09:36,255 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:09:36,256 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:09:36,256 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d724a53-d0f1-497e-9434-7190333c1a95/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 18:09:36,277 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:09:36,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:09:36,278 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:09:36,279 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:09:36,279 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:09:36,279 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:09:36,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:09:36,280 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 18:09:36,280 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:09:36,280 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 18:09:36,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:09:36,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:09:36,281 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:09:36,281 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:09:36,281 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 18:09:36,281 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:09:36,282 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:09:36,282 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:09:36,282 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:09:36,282 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:09:36,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:09:36,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:09:36,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:09:36,283 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:09:36,283 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:09:36,283 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:09:36,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:09:36,284 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:09:36,284 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_0d724a53-d0f1-497e-9434-7190333c1a95/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d724a53-d0f1-497e-9434-7190333c1a95/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8fab2e995569cc819974baee7d52d8d4bdabd2a2896c83fb3b8d07b44f394c5b [2022-12-14 18:09:36,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:09:36,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:09:36,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:09:36,469 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:09:36,469 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:09:36,470 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d724a53-d0f1-497e-9434-7190333c1a95/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread-atomic/read_write_lock-1.i [2022-12-14 18:09:39,037 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:09:39,216 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:09:39,216 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d724a53-d0f1-497e-9434-7190333c1a95/sv-benchmarks/c/pthread-atomic/read_write_lock-1.i [2022-12-14 18:09:39,232 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d724a53-d0f1-497e-9434-7190333c1a95/bin/ukojak-rkRKPMF4O4/data/8ca1d8886/401dd99325804bc29b7bb552fca260cf/FLAG702bf6572 [2022-12-14 18:09:39,606 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d724a53-d0f1-497e-9434-7190333c1a95/bin/ukojak-rkRKPMF4O4/data/8ca1d8886/401dd99325804bc29b7bb552fca260cf [2022-12-14 18:09:39,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:09:39,608 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:09:39,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:09:39,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:09:39,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:09:39,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:09:39" (1/1) ... [2022-12-14 18:09:39,613 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5931e757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:39, skipping insertion in model container [2022-12-14 18:09:39,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:09:39" (1/1) ... [2022-12-14 18:09:39,618 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:09:39,654 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:09:39,794 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 18:09:39,883 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:09:39,884 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:09:39,885 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:09:39,885 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:09:39,885 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:09:39,886 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:09:39,886 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:09:39,886 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:09:39,886 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:09:39,887 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:09:39,887 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_0d724a53-d0f1-497e-9434-7190333c1a95/sv-benchmarks/c/pthread-atomic/read_write_lock-1.i[31246,31259] [2022-12-14 18:09:39,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:09:39,903 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:09:39,913 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 18:09:39,928 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:09:39,929 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:09:39,929 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:09:39,929 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:09:39,929 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:09:39,930 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:09:39,930 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:09:39,930 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:09:39,930 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:09:39,930 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:09:39,931 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_0d724a53-d0f1-497e-9434-7190333c1a95/sv-benchmarks/c/pthread-atomic/read_write_lock-1.i[31246,31259] [2022-12-14 18:09:39,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:09:39,955 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:09:39,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:39 WrapperNode [2022-12-14 18:09:39,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:09:39,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:09:39,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:09:39,956 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:09:39,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:39" (1/1) ... [2022-12-14 18:09:39,971 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:39" (1/1) ... [2022-12-14 18:09:39,990 INFO L138 Inliner]: procedures = 175, calls = 46, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 108 [2022-12-14 18:09:39,991 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:09:39,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:09:39,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:09:39,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:09:40,000 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:39" (1/1) ... [2022-12-14 18:09:40,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:39" (1/1) ... [2022-12-14 18:09:40,004 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:39" (1/1) ... [2022-12-14 18:09:40,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:39" (1/1) ... [2022-12-14 18:09:40,008 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:39" (1/1) ... [2022-12-14 18:09:40,010 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:39" (1/1) ... [2022-12-14 18:09:40,012 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:39" (1/1) ... [2022-12-14 18:09:40,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:39" (1/1) ... [2022-12-14 18:09:40,015 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:09:40,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:09:40,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:09:40,016 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:09:40,017 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:39" (1/1) ... [2022-12-14 18:09:40,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:09:40,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d724a53-d0f1-497e-9434-7190333c1a95/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:09:40,044 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d724a53-d0f1-497e-9434-7190333c1a95/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:09:40,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d724a53-d0f1-497e-9434-7190333c1a95/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:09:40,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 18:09:40,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 18:09:40,082 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 18:09:40,082 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 18:09:40,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 18:09:40,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:09:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2022-12-14 18:09:40,083 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2022-12-14 18:09:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 18:09:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 18:09:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 18:09:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 18:09:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:09:40,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:09:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2022-12-14 18:09:40,084 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2022-12-14 18:09:40,085 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 18:09:40,183 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:09:40,184 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:09:40,343 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:09:40,359 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:09:40,359 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 18:09:40,360 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L710 is neither atomic block end nor a sink node. [2022-12-14 18:09:40,361 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 18:09:40,364 INFO L158 Benchmark]: Toolchain (without parser) took 754.67ms. Allocated memory is still 136.3MB. Free memory was 101.8MB in the beginning and 62.0MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-12-14 18:09:40,364 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 136.3MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:09:40,364 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.57ms. Allocated memory is still 136.3MB. Free memory was 101.3MB in the beginning and 80.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 18:09:40,365 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.56ms. Allocated memory is still 136.3MB. Free memory was 80.4MB in the beginning and 78.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:09:40,365 INFO L158 Benchmark]: Boogie Preprocessor took 23.85ms. Allocated memory is still 136.3MB. Free memory was 78.3MB in the beginning and 76.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:09:40,365 INFO L158 Benchmark]: RCFGBuilder took 346.72ms. Allocated memory is still 136.3MB. Free memory was 76.8MB in the beginning and 62.0MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 18:09:40,367 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 136.3MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.57ms. Allocated memory is still 136.3MB. Free memory was 101.3MB in the beginning and 80.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.56ms. Allocated memory is still 136.3MB. Free memory was 80.4MB in the beginning and 78.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.85ms. Allocated memory is still 136.3MB. Free memory was 78.3MB in the beginning and 76.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 346.72ms. Allocated memory is still 136.3MB. Free memory was 76.8MB in the beginning and 62.0MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. 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 18:09:40,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d724a53-d0f1-497e-9434-7190333c1a95/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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_0d724a53-d0f1-497e-9434-7190333c1a95/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d724a53-d0f1-497e-9434-7190333c1a95/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d724a53-d0f1-497e-9434-7190333c1a95/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d724a53-d0f1-497e-9434-7190333c1a95/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-atomic/read_write_lock-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d724a53-d0f1-497e-9434-7190333c1a95/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d724a53-d0f1-497e-9434-7190333c1a95/bin/ukojak-rkRKPMF4O4 --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8fab2e995569cc819974baee7d52d8d4bdabd2a2896c83fb3b8d07b44f394c5b --- 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 18:09:42,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:09:42,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:09:42,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:09:42,410 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:09:42,411 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:09:42,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:09:42,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:09:42,416 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:09:42,417 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:09:42,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:09:42,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:09:42,419 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:09:42,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:09:42,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:09:42,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:09:42,423 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:09:42,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:09:42,426 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:09:42,428 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:09:42,429 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:09:42,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:09:42,432 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:09:42,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:09:42,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:09:42,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:09:42,437 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:09:42,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:09:42,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:09:42,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:09:42,439 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:09:42,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:09:42,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:09:42,442 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:09:42,443 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:09:42,443 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:09:42,444 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:09:42,444 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:09:42,444 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:09:42,445 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:09:42,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:09:42,446 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d724a53-d0f1-497e-9434-7190333c1a95/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-12-14 18:09:42,467 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:09:42,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:09:42,468 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:09:42,469 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:09:42,469 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:09:42,469 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:09:42,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:09:42,470 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 18:09:42,470 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 18:09:42,470 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:09:42,470 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:09:42,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:09:42,471 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:09:42,471 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 18:09:42,471 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 18:09:42,471 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 18:09:42,472 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 18:09:42,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:09:42,472 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:09:42,472 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:09:42,472 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:09:42,472 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:09:42,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:09:42,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:09:42,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:09:42,473 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:09:42,473 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:09:42,474 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 18:09:42,474 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 18:09:42,474 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:09:42,474 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 18:09:42,474 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 18:09:42,475 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_0d724a53-d0f1-497e-9434-7190333c1a95/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d724a53-d0f1-497e-9434-7190333c1a95/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8fab2e995569cc819974baee7d52d8d4bdabd2a2896c83fb3b8d07b44f394c5b [2022-12-14 18:09:42,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:09:42,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:09:42,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:09:42,699 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:09:42,699 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:09:42,700 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d724a53-d0f1-497e-9434-7190333c1a95/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread-atomic/read_write_lock-1.i [2022-12-14 18:09:45,386 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:09:45,594 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:09:45,595 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d724a53-d0f1-497e-9434-7190333c1a95/sv-benchmarks/c/pthread-atomic/read_write_lock-1.i [2022-12-14 18:09:45,607 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d724a53-d0f1-497e-9434-7190333c1a95/bin/ukojak-rkRKPMF4O4/data/182b99555/8c1252fca1a44527b9def26c3f191829/FLAG48e13a872 [2022-12-14 18:09:45,620 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d724a53-d0f1-497e-9434-7190333c1a95/bin/ukojak-rkRKPMF4O4/data/182b99555/8c1252fca1a44527b9def26c3f191829 [2022-12-14 18:09:45,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:09:45,624 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:09:45,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:09:45,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:09:45,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:09:45,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:09:45" (1/1) ... [2022-12-14 18:09:45,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a67d224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:45, skipping insertion in model container [2022-12-14 18:09:45,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:09:45" (1/1) ... [2022-12-14 18:09:45,636 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:09:45,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:09:45,826 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 18:09:45,963 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:09:45,964 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:09:45,965 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:09:45,965 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:09:45,966 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:09:45,966 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:09:45,966 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:09:45,967 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:09:45,967 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:09:45,967 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:09:45,969 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_0d724a53-d0f1-497e-9434-7190333c1a95/sv-benchmarks/c/pthread-atomic/read_write_lock-1.i[31246,31259] [2022-12-14 18:09:45,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:09:45,995 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:09:46,009 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 18:09:46,026 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:09:46,026 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:09:46,027 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:09:46,027 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:09:46,027 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:09:46,028 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:09:46,028 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:09:46,028 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:09:46,029 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:09:46,029 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:09:46,029 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_0d724a53-d0f1-497e-9434-7190333c1a95/sv-benchmarks/c/pthread-atomic/read_write_lock-1.i[31246,31259] [2022-12-14 18:09:46,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:09:46,068 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:09:46,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:46 WrapperNode [2022-12-14 18:09:46,069 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:09:46,070 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:09:46,070 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:09:46,070 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:09:46,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:46" (1/1) ... [2022-12-14 18:09:46,092 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:46" (1/1) ... [2022-12-14 18:09:46,112 INFO L138 Inliner]: procedures = 178, calls = 46, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 109 [2022-12-14 18:09:46,112 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:09:46,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:09:46,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:09:46,113 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:09:46,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:46" (1/1) ... [2022-12-14 18:09:46,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:46" (1/1) ... [2022-12-14 18:09:46,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:46" (1/1) ... [2022-12-14 18:09:46,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:46" (1/1) ... [2022-12-14 18:09:46,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:46" (1/1) ... [2022-12-14 18:09:46,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:46" (1/1) ... [2022-12-14 18:09:46,135 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:46" (1/1) ... [2022-12-14 18:09:46,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:46" (1/1) ... [2022-12-14 18:09:46,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:09:46,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:09:46,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:09:46,141 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:09:46,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:46" (1/1) ... [2022-12-14 18:09:46,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:09:46,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d724a53-d0f1-497e-9434-7190333c1a95/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:09:46,167 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d724a53-d0f1-497e-9434-7190333c1a95/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:09:46,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d724a53-d0f1-497e-9434-7190333c1a95/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:09:46,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 18:09:46,199 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 18:09:46,199 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 18:09:46,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 18:09:46,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:09:46,199 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2022-12-14 18:09:46,199 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2022-12-14 18:09:46,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 18:09:46,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 18:09:46,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 18:09:46,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 18:09:46,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 18:09:46,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:09:46,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:09:46,201 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2022-12-14 18:09:46,201 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2022-12-14 18:09:46,202 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 18:09:46,313 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:09:46,315 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:09:46,493 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:09:46,517 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:09:46,517 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 18:09:46,518 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L710 is neither atomic block end nor a sink node. [2022-12-14 18:09:46,519 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 18:09:46,522 INFO L158 Benchmark]: Toolchain (without parser) took 897.71ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 44.3MB in the beginning and 46.9MB in the end (delta: -2.5MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2022-12-14 18:09:46,523 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 52.4MB. Free memory was 31.4MB in the beginning and 31.3MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:09:46,523 INFO L158 Benchmark]: CACSL2BoogieTranslator took 444.10ms. Allocated memory is still 67.1MB. Free memory was 44.0MB in the beginning and 37.1MB in the end (delta: 7.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 18:09:46,524 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.66ms. Allocated memory is still 67.1MB. Free memory was 37.1MB in the beginning and 34.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:09:46,524 INFO L158 Benchmark]: Boogie Preprocessor took 26.95ms. Allocated memory is still 67.1MB. Free memory was 34.8MB in the beginning and 32.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:09:46,525 INFO L158 Benchmark]: RCFGBuilder took 380.29ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 32.9MB in the beginning and 46.9MB in the end (delta: -14.0MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2022-12-14 18:09:46,528 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 52.4MB. Free memory was 31.4MB in the beginning and 31.3MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 444.10ms. Allocated memory is still 67.1MB. Free memory was 44.0MB in the beginning and 37.1MB in the end (delta: 7.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.66ms. Allocated memory is still 67.1MB. Free memory was 37.1MB in the beginning and 34.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.95ms. Allocated memory is still 67.1MB. Free memory was 34.8MB in the beginning and 32.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 380.29ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 32.9MB in the beginning and 46.9MB in the end (delta: -14.0MB). Peak memory consumption was 5.1MB. 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 18:09:46,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d724a53-d0f1-497e-9434-7190333c1a95/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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?