./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/queue_ok_longest.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b 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_92f08cb2-92b8-43e7-9af9-4d585ee648c0/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f08cb2-92b8-43e7-9af9-4d585ee648c0/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f08cb2-92b8-43e7-9af9-4d585ee648c0/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f08cb2-92b8-43e7-9af9-4d585ee648c0/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue_ok_longest.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f08cb2-92b8-43e7-9af9-4d585ee648c0/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f08cb2-92b8-43e7-9af9-4d585ee648c0/bin/ukojak-pZX7IvK2PQ --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 0e9bc4a9a6dcd238ac18925269a0bd7c8c54c2dafb57744151e37b58cf6eab8d --- 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-6b4ec56 [2022-11-20 16:38:35,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:38:35,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:38:35,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:38:35,514 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:38:35,515 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:38:35,517 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:38:35,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:38:35,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:38:35,521 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:38:35,522 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:38:35,523 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:38:35,524 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:38:35,525 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:38:35,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:38:35,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:38:35,528 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:38:35,529 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:38:35,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:38:35,533 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:38:35,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:38:35,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:38:35,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:38:35,538 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:38:35,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:38:35,543 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:38:35,543 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:38:35,544 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:38:35,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:38:35,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:38:35,546 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:38:35,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:38:35,548 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:38:35,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:38:35,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:38:35,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:38:35,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:38:35,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:38:35,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:38:35,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:38:35,554 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:38:35,555 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f08cb2-92b8-43e7-9af9-4d585ee648c0/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-20 16:38:35,581 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:38:35,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:38:35,583 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:38:35,583 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:38:35,584 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:38:35,584 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:38:35,584 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:38:35,584 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:38:35,584 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:38:35,585 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:38:35,585 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:38:35,585 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:38:35,585 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:38:35,585 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:38:35,586 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:38:35,586 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:38:35,586 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:38:35,586 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:38:35,587 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:38:35,587 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:38:35,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:38:35,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:38:35,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:38:35,588 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:38:35,588 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:38:35,588 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:38:35,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:38:35,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:38:35,589 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_92f08cb2-92b8-43e7-9af9-4d585ee648c0/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f08cb2-92b8-43e7-9af9-4d585ee648c0/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e9bc4a9a6dcd238ac18925269a0bd7c8c54c2dafb57744151e37b58cf6eab8d [2022-11-20 16:38:35,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:38:35,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:38:35,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:38:35,926 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:38:35,927 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:38:35,928 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f08cb2-92b8-43e7-9af9-4d585ee648c0/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread/queue_ok_longest.i [2022-11-20 16:38:39,075 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:38:39,424 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:38:39,424 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f08cb2-92b8-43e7-9af9-4d585ee648c0/sv-benchmarks/c/pthread/queue_ok_longest.i [2022-11-20 16:38:39,456 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f08cb2-92b8-43e7-9af9-4d585ee648c0/bin/ukojak-pZX7IvK2PQ/data/c419a5bd0/b26f202642ae44d891d7088c04422d43/FLAG58e82c37f [2022-11-20 16:38:39,473 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f08cb2-92b8-43e7-9af9-4d585ee648c0/bin/ukojak-pZX7IvK2PQ/data/c419a5bd0/b26f202642ae44d891d7088c04422d43 [2022-11-20 16:38:39,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:38:39,478 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:38:39,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:38:39,481 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:38:39,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:38:39,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:38:39" (1/1) ... [2022-11-20 16:38:39,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a15980d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:39, skipping insertion in model container [2022-11-20 16:38:39,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:38:39" (1/1) ... [2022-11-20 16:38:39,498 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:38:39,541 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:38:39,994 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_92f08cb2-92b8-43e7-9af9-4d585ee648c0/sv-benchmarks/c/pthread/queue_ok_longest.i[43280,43293] [2022-11-20 16:38:40,008 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_92f08cb2-92b8-43e7-9af9-4d585ee648c0/sv-benchmarks/c/pthread/queue_ok_longest.i[43553,43566] [2022-11-20 16:38:40,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:38:40,037 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:38:40,121 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_92f08cb2-92b8-43e7-9af9-4d585ee648c0/sv-benchmarks/c/pthread/queue_ok_longest.i[43280,43293] [2022-11-20 16:38:40,134 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_92f08cb2-92b8-43e7-9af9-4d585ee648c0/sv-benchmarks/c/pthread/queue_ok_longest.i[43553,43566] [2022-11-20 16:38:40,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:38:40,196 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:38:40,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:40 WrapperNode [2022-11-20 16:38:40,197 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:38:40,198 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:38:40,199 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:38:40,199 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:38:40,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:40" (1/1) ... [2022-11-20 16:38:40,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:40" (1/1) ... [2022-11-20 16:38:40,257 INFO L138 Inliner]: procedures = 274, calls = 57, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 176 [2022-11-20 16:38:40,257 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:38:40,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:38:40,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:38:40,258 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:38:40,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:40" (1/1) ... [2022-11-20 16:38:40,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:40" (1/1) ... [2022-11-20 16:38:40,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:40" (1/1) ... [2022-11-20 16:38:40,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:40" (1/1) ... [2022-11-20 16:38:40,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:40" (1/1) ... [2022-11-20 16:38:40,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:40" (1/1) ... [2022-11-20 16:38:40,291 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:40" (1/1) ... [2022-11-20 16:38:40,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:40" (1/1) ... [2022-11-20 16:38:40,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:38:40,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:38:40,301 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:38:40,301 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:38:40,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:40" (1/1) ... [2022-11-20 16:38:40,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:38:40,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f08cb2-92b8-43e7-9af9-4d585ee648c0/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:38:40,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f08cb2-92b8-43e7-9af9-4d585ee648c0/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:38:40,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f08cb2-92b8-43e7-9af9-4d585ee648c0/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:38:40,381 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-20 16:38:40,382 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-20 16:38:40,382 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-20 16:38:40,382 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-20 16:38:40,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:38:40,383 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2022-11-20 16:38:40,383 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2022-11-20 16:38:40,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:38:40,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 16:38:40,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 16:38:40,384 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 16:38:40,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:38:40,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:38:40,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:38:40,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:38:40,386 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 16:38:40,575 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:38:40,577 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:38:41,013 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:38:41,026 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:38:41,034 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 16:38:41,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:38:41 BoogieIcfgContainer [2022-11-20 16:38:41,038 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:38:41,039 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:38:41,039 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:38:41,050 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:38:41,050 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:38:41" (1/1) ... [2022-11-20 16:38:41,051 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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) [2022-11-20 16:38:41,056 INFO L158 Benchmark]: Toolchain (without parser) took 1577.58ms. Allocated memory is still 201.3MB. Free memory was 166.5MB in the beginning and 110.5MB in the end (delta: 56.0MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2022-11-20 16:38:41,057 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 134.2MB. Free memory was 79.1MB in the beginning and 79.0MB in the end (delta: 134.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:38:41,058 INFO L158 Benchmark]: CACSL2BoogieTranslator took 717.38ms. Allocated memory is still 201.3MB. Free memory was 166.5MB in the beginning and 136.9MB in the end (delta: 29.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-20 16:38:41,059 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.91ms. Allocated memory is still 201.3MB. Free memory was 136.9MB in the beginning and 133.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 16:38:41,060 INFO L158 Benchmark]: Boogie Preprocessor took 38.79ms. Allocated memory is still 201.3MB. Free memory was 133.7MB in the beginning and 131.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:38:41,061 INFO L158 Benchmark]: RCFGBuilder took 740.76ms. Allocated memory is still 201.3MB. Free memory was 131.6MB in the beginning and 111.5MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 16:38:41,062 INFO L158 Benchmark]: CodeCheck took 15.82ms. Allocated memory is still 201.3MB. Free memory was 111.5MB in the beginning and 110.5MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:38:41,070 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 134.2MB. Free memory was 79.1MB in the beginning and 79.0MB in the end (delta: 134.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 717.38ms. Allocated memory is still 201.3MB. Free memory was 166.5MB in the beginning and 136.9MB in the end (delta: 29.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.91ms. Allocated memory is still 201.3MB. Free memory was 136.9MB in the beginning and 133.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.79ms. Allocated memory is still 201.3MB. Free memory was 133.7MB in the beginning and 131.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 740.76ms. Allocated memory is still 201.3MB. Free memory was 131.6MB in the beginning and 111.5MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 15.82ms. Allocated memory is still 201.3MB. Free memory was 111.5MB in the beginning and 110.5MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 16:38:41,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f08cb2-92b8-43e7-9af9-4d585ee648c0/bin/ukojak-pZX7IvK2PQ/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_92f08cb2-92b8-43e7-9af9-4d585ee648c0/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f08cb2-92b8-43e7-9af9-4d585ee648c0/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f08cb2-92b8-43e7-9af9-4d585ee648c0/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f08cb2-92b8-43e7-9af9-4d585ee648c0/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue_ok_longest.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f08cb2-92b8-43e7-9af9-4d585ee648c0/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f08cb2-92b8-43e7-9af9-4d585ee648c0/bin/ukojak-pZX7IvK2PQ --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 0e9bc4a9a6dcd238ac18925269a0bd7c8c54c2dafb57744151e37b58cf6eab8d --- 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-6b4ec56 [2022-11-20 16:38:43,659 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:38:43,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:38:43,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:38:43,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:38:43,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:38:43,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:38:43,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:38:43,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:38:43,704 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:38:43,705 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:38:43,707 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:38:43,708 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:38:43,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:38:43,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:38:43,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:38:43,719 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:38:43,720 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:38:43,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:38:43,723 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:38:43,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:38:43,725 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:38:43,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:38:43,728 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:38:43,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:38:43,741 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:38:43,741 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:38:43,742 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:38:43,743 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:38:43,743 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:38:43,744 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:38:43,745 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:38:43,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:38:43,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:38:43,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:38:43,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:38:43,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:38:43,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:38:43,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:38:43,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:38:43,759 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:38:43,762 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f08cb2-92b8-43e7-9af9-4d585ee648c0/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-11-20 16:38:43,805 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:38:43,806 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:38:43,808 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:38:43,808 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:38:43,809 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:38:43,809 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:38:43,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:38:43,809 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:38:43,809 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:38:43,810 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:38:43,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:38:43,811 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:38:43,811 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:38:43,811 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 16:38:43,811 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 16:38:43,812 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 16:38:43,812 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:38:43,812 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:38:43,812 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:38:43,812 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:38:43,813 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:38:43,813 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:38:43,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:38:43,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:38:43,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:38:43,814 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:38:43,814 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:38:43,814 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 16:38:43,814 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 16:38:43,814 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:38:43,815 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 16:38:43,815 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 16:38:43,815 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_92f08cb2-92b8-43e7-9af9-4d585ee648c0/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f08cb2-92b8-43e7-9af9-4d585ee648c0/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e9bc4a9a6dcd238ac18925269a0bd7c8c54c2dafb57744151e37b58cf6eab8d [2022-11-20 16:38:44,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:38:44,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:38:44,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:38:44,240 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:38:44,242 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:38:44,244 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f08cb2-92b8-43e7-9af9-4d585ee648c0/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread/queue_ok_longest.i [2022-11-20 16:38:47,260 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:38:47,570 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:38:47,570 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f08cb2-92b8-43e7-9af9-4d585ee648c0/sv-benchmarks/c/pthread/queue_ok_longest.i [2022-11-20 16:38:47,585 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f08cb2-92b8-43e7-9af9-4d585ee648c0/bin/ukojak-pZX7IvK2PQ/data/d17c98dbc/923273f2e5484d1a98979e7b09e04dd6/FLAG6841c9e77 [2022-11-20 16:38:47,607 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f08cb2-92b8-43e7-9af9-4d585ee648c0/bin/ukojak-pZX7IvK2PQ/data/d17c98dbc/923273f2e5484d1a98979e7b09e04dd6 [2022-11-20 16:38:47,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:38:47,613 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:38:47,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:38:47,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:38:47,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:38:47,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:38:47" (1/1) ... [2022-11-20 16:38:47,623 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31bbd881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:47, skipping insertion in model container [2022-11-20 16:38:47,623 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:38:47" (1/1) ... [2022-11-20 16:38:47,631 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:38:47,725 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:38:48,355 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_92f08cb2-92b8-43e7-9af9-4d585ee648c0/sv-benchmarks/c/pthread/queue_ok_longest.i[43280,43293] [2022-11-20 16:38:48,365 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_92f08cb2-92b8-43e7-9af9-4d585ee648c0/sv-benchmarks/c/pthread/queue_ok_longest.i[43553,43566] [2022-11-20 16:38:48,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:38:48,389 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:38:48,461 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_92f08cb2-92b8-43e7-9af9-4d585ee648c0/sv-benchmarks/c/pthread/queue_ok_longest.i[43280,43293] [2022-11-20 16:38:48,466 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_92f08cb2-92b8-43e7-9af9-4d585ee648c0/sv-benchmarks/c/pthread/queue_ok_longest.i[43553,43566] [2022-11-20 16:38:48,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:38:48,577 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:38:48,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:48 WrapperNode [2022-11-20 16:38:48,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:38:48,579 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:38:48,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:38:48,579 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:38:48,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:48" (1/1) ... [2022-11-20 16:38:48,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:48" (1/1) ... [2022-11-20 16:38:48,634 INFO L138 Inliner]: procedures = 278, calls = 57, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 172 [2022-11-20 16:38:48,634 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:38:48,635 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:38:48,635 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:38:48,635 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:38:48,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:48" (1/1) ... [2022-11-20 16:38:48,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:48" (1/1) ... [2022-11-20 16:38:48,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:48" (1/1) ... [2022-11-20 16:38:48,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:48" (1/1) ... [2022-11-20 16:38:48,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:48" (1/1) ... [2022-11-20 16:38:48,663 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:48" (1/1) ... [2022-11-20 16:38:48,665 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:48" (1/1) ... [2022-11-20 16:38:48,667 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:48" (1/1) ... [2022-11-20 16:38:48,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:38:48,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:38:48,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:38:48,674 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:38:48,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:48" (1/1) ... [2022-11-20 16:38:48,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:38:48,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f08cb2-92b8-43e7-9af9-4d585ee648c0/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:38:48,712 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f08cb2-92b8-43e7-9af9-4d585ee648c0/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:38:48,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f08cb2-92b8-43e7-9af9-4d585ee648c0/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:38:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 16:38:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-20 16:38:48,753 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-20 16:38:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-20 16:38:48,753 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-20 16:38:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:38:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2022-11-20 16:38:48,753 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2022-11-20 16:38:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:38:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 16:38:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 16:38:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 16:38:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 16:38:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:38:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:38:48,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:38:48,756 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 16:38:48,911 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:38:48,913 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:38:49,355 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:38:49,364 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:38:49,364 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 16:38:49,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:38:49 BoogieIcfgContainer [2022-11-20 16:38:49,367 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:38:49,368 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:38:49,368 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:38:49,378 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:38:49,379 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:38:49" (1/1) ... [2022-11-20 16:38:49,379 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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) [2022-11-20 16:38:49,383 INFO L158 Benchmark]: Toolchain (without parser) took 1769.19ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 35.1MB in the beginning and 66.8MB in the end (delta: -31.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:38:49,384 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 77.6MB. Free memory is still 55.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:38:49,384 INFO L158 Benchmark]: CACSL2BoogieTranslator took 960.77ms. Allocated memory is still 77.6MB. Free memory was 34.9MB in the beginning and 54.2MB in the end (delta: -19.3MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2022-11-20 16:38:49,385 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.52ms. Allocated memory is still 77.6MB. Free memory was 54.2MB in the beginning and 51.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:38:49,386 INFO L158 Benchmark]: Boogie Preprocessor took 38.79ms. Allocated memory is still 77.6MB. Free memory was 51.5MB in the beginning and 49.0MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 16:38:49,386 INFO L158 Benchmark]: RCFGBuilder took 692.80ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 49.0MB in the beginning and 67.8MB in the end (delta: -18.8MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2022-11-20 16:38:49,387 INFO L158 Benchmark]: CodeCheck took 14.02ms. Allocated memory is still 94.4MB. Free memory was 67.8MB in the beginning and 66.8MB in the end (delta: 987.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:38:49,395 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 77.6MB. Free memory is still 55.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 960.77ms. Allocated memory is still 77.6MB. Free memory was 34.9MB in the beginning and 54.2MB in the end (delta: -19.3MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.52ms. Allocated memory is still 77.6MB. Free memory was 54.2MB in the beginning and 51.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.79ms. Allocated memory is still 77.6MB. Free memory was 51.5MB in the beginning and 49.0MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 692.80ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 49.0MB in the beginning and 67.8MB in the end (delta: -18.8MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. * CodeCheck took 14.02ms. Allocated memory is still 94.4MB. Free memory was 67.8MB in the beginning and 66.8MB in the end (delta: 987.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 16:38:49,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92f08cb2-92b8-43e7-9af9-4d585ee648c0/bin/ukojak-pZX7IvK2PQ/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: Concurrent programs are currently unsupported