./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/queue_ok.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c644cd-5835-4ce6-8891-8e68b4970349/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c644cd-5835-4ce6-8891-8e68b4970349/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c644cd-5835-4ce6-8891-8e68b4970349/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c644cd-5835-4ce6-8891-8e68b4970349/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue_ok.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c644cd-5835-4ce6-8891-8e68b4970349/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c644cd-5835-4ce6-8891-8e68b4970349/bin/ukojak-LBtLqBUTdQ --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 7cc273f13a619f37768d5108c297b75ab7c37145fe391daced9c134730721251 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:44:47,732 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:44:47,735 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:44:47,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:44:47,797 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:44:47,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:44:47,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:44:47,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:44:47,812 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:44:47,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:44:47,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:44:47,821 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:44:47,821 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:44:47,824 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:44:47,826 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:44:47,830 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:44:47,833 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:44:47,834 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:44:47,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:44:47,845 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:44:47,847 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:44:47,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:44:47,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:44:47,854 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:44:47,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:44:47,858 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:44:47,859 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:44:47,861 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:44:47,861 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:44:47,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:44:47,863 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:44:47,864 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:44:47,866 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:44:47,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:44:47,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:44:47,870 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:44:47,871 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:44:47,871 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:44:47,871 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:44:47,872 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:44:47,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:44:47,874 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c644cd-5835-4ce6-8891-8e68b4970349/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:44:47,919 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:44:47,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:44:47,921 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:44:47,921 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:44:47,922 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:44:47,922 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:44:47,923 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:44:47,923 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:44:47,929 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:44:47,930 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:44:47,931 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:44:47,931 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:44:47,931 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:44:47,932 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:44:47,932 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:44:47,932 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:44:47,932 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:44:47,932 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:44:47,933 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:44:47,933 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:44:47,933 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:44:47,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:44:47,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:44:47,934 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:44:47,934 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:44:47,935 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:44:47,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:44:47,935 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:44:47,935 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_18c644cd-5835-4ce6-8891-8e68b4970349/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c644cd-5835-4ce6-8891-8e68b4970349/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7cc273f13a619f37768d5108c297b75ab7c37145fe391daced9c134730721251 [2021-11-23 01:44:48,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:44:48,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:44:48,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:44:48,231 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:44:48,232 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:44:48,233 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c644cd-5835-4ce6-8891-8e68b4970349/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread/queue_ok.i [2021-11-23 01:44:48,308 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c644cd-5835-4ce6-8891-8e68b4970349/bin/ukojak-LBtLqBUTdQ/data/51f966120/712a70b71a0f4153a3dbd26f894bd6ed/FLAGde82784df [2021-11-23 01:44:48,964 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:44:48,965 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c644cd-5835-4ce6-8891-8e68b4970349/sv-benchmarks/c/pthread/queue_ok.i [2021-11-23 01:44:48,995 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c644cd-5835-4ce6-8891-8e68b4970349/bin/ukojak-LBtLqBUTdQ/data/51f966120/712a70b71a0f4153a3dbd26f894bd6ed/FLAGde82784df [2021-11-23 01:44:49,205 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c644cd-5835-4ce6-8891-8e68b4970349/bin/ukojak-LBtLqBUTdQ/data/51f966120/712a70b71a0f4153a3dbd26f894bd6ed [2021-11-23 01:44:49,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:44:49,210 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:44:49,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:44:49,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:44:49,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:44:49,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:44:49" (1/1) ... [2021-11-23 01:44:49,219 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b3c018 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:49, skipping insertion in model container [2021-11-23 01:44:49,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:44:49" (1/1) ... [2021-11-23 01:44:49,228 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:44:49,302 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:44:49,938 WARN L230 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_18c644cd-5835-4ce6-8891-8e68b4970349/sv-benchmarks/c/pthread/queue_ok.i[43266,43279] [2021-11-23 01:44:49,948 WARN L230 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_18c644cd-5835-4ce6-8891-8e68b4970349/sv-benchmarks/c/pthread/queue_ok.i[43543,43556] [2021-11-23 01:44:49,955 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:44:49,968 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:44:50,031 WARN L230 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_18c644cd-5835-4ce6-8891-8e68b4970349/sv-benchmarks/c/pthread/queue_ok.i[43266,43279] [2021-11-23 01:44:50,040 WARN L230 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_18c644cd-5835-4ce6-8891-8e68b4970349/sv-benchmarks/c/pthread/queue_ok.i[43543,43556] [2021-11-23 01:44:50,047 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:44:50,129 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:44:50,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:50 WrapperNode [2021-11-23 01:44:50,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:44:50,132 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:44:50,132 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:44:50,132 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:44:50,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:50" (1/1) ... [2021-11-23 01:44:50,172 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:50" (1/1) ... [2021-11-23 01:44:50,223 INFO L137 Inliner]: procedures = 274, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 178 [2021-11-23 01:44:50,224 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:44:50,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:44:50,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:44:50,225 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:44:50,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:50" (1/1) ... [2021-11-23 01:44:50,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:50" (1/1) ... [2021-11-23 01:44:50,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:50" (1/1) ... [2021-11-23 01:44:50,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:50" (1/1) ... [2021-11-23 01:44:50,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:50" (1/1) ... [2021-11-23 01:44:50,273 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:50" (1/1) ... [2021-11-23 01:44:50,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:50" (1/1) ... [2021-11-23 01:44:50,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:44:50,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:44:50,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:44:50,297 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:44:50,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:50" (1/1) ... [2021-11-23 01:44:50,310 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:44:50,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c644cd-5835-4ce6-8891-8e68b4970349/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:44:50,338 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c644cd-5835-4ce6-8891-8e68b4970349/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:44:50,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c644cd-5835-4ce6-8891-8e68b4970349/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:44:50,385 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-23 01:44:50,388 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-23 01:44:50,388 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-23 01:44:50,388 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-23 01:44:50,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:44:50,388 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2021-11-23 01:44:50,389 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2021-11-23 01:44:50,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:44:50,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:44:50,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:44:50,389 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 01:44:50,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:44:50,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:44:50,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:44:50,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:44:50,391 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 01:44:50,613 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:44:50,615 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:44:50,959 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:44:50,970 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:44:50,970 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 01:44:50,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:44:50 BoogieIcfgContainer [2021-11-23 01:44:50,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:44:50,974 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:44:50,974 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:44:50,985 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:44:50,985 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:44:50" (1/1) ... [2021-11-23 01:44:50,986 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) [2021-11-23 01:44:50,991 INFO L158 Benchmark]: Toolchain (without parser) took 1780.39ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 60.8MB in the beginning and 80.4MB in the end (delta: -19.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:44:50,992 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 94.4MB. Free memory was 50.4MB in the beginning and 50.4MB in the end (delta: 47.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:44:50,993 INFO L158 Benchmark]: CACSL2BoogieTranslator took 916.66ms. Allocated memory is still 94.4MB. Free memory was 60.6MB in the beginning and 50.2MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:44:50,993 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.08ms. Allocated memory is still 94.4MB. Free memory was 50.2MB in the beginning and 47.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:44:50,994 INFO L158 Benchmark]: Boogie Preprocessor took 55.11ms. Allocated memory is still 94.4MB. Free memory was 47.5MB in the beginning and 45.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:44:50,995 INFO L158 Benchmark]: RCFGBuilder took 692.88ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 45.6MB in the beginning and 81.8MB in the end (delta: -36.2MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2021-11-23 01:44:50,996 INFO L158 Benchmark]: CodeCheck took 15.11ms. Allocated memory is still 113.2MB. Free memory was 81.8MB in the beginning and 80.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:44:50,999 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 0.29ms. Allocated memory is still 94.4MB. Free memory was 50.4MB in the beginning and 50.4MB in the end (delta: 47.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 916.66ms. Allocated memory is still 94.4MB. Free memory was 60.6MB in the beginning and 50.2MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.08ms. Allocated memory is still 94.4MB. Free memory was 50.2MB in the beginning and 47.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.11ms. Allocated memory is still 94.4MB. Free memory was 47.5MB in the beginning and 45.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 692.88ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 45.6MB in the beginning and 81.8MB in the end (delta: -36.2MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * CodeCheck took 15.11ms. Allocated memory is still 113.2MB. Free memory was 81.8MB in the beginning and 80.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:44:51,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c644cd-5835-4ce6-8891-8e68b4970349/bin/ukojak-LBtLqBUTdQ/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c644cd-5835-4ce6-8891-8e68b4970349/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c644cd-5835-4ce6-8891-8e68b4970349/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c644cd-5835-4ce6-8891-8e68b4970349/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c644cd-5835-4ce6-8891-8e68b4970349/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue_ok.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c644cd-5835-4ce6-8891-8e68b4970349/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c644cd-5835-4ce6-8891-8e68b4970349/bin/ukojak-LBtLqBUTdQ --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 7cc273f13a619f37768d5108c297b75ab7c37145fe391daced9c134730721251 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:44:53,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:44:53,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:44:53,466 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:44:53,466 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:44:53,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:44:53,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:44:53,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:44:53,480 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:44:53,486 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:44:53,489 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:44:53,491 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:44:53,492 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:44:53,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:44:53,496 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:44:53,500 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:44:53,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:44:53,503 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:44:53,505 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:44:53,513 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:44:53,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:44:53,516 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:44:53,518 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:44:53,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:44:53,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:44:53,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:44:53,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:44:53,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:44:53,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:44:53,534 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:44:53,535 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:44:53,536 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:44:53,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:44:53,538 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:44:53,540 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:44:53,540 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:44:53,541 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:44:53,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:44:53,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:44:53,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:44:53,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:44:53,545 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c644cd-5835-4ce6-8891-8e68b4970349/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 01:44:53,584 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:44:53,585 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:44:53,586 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:44:53,586 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:44:53,588 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:44:53,588 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:44:53,588 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:44:53,588 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:44:53,589 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:44:53,589 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:44:53,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:44:53,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:44:53,590 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:44:53,591 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 01:44:53,591 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 01:44:53,591 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 01:44:53,591 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:44:53,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:44:53,592 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:44:53,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:44:53,592 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:44:53,592 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:44:53,592 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:44:53,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:44:53,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:44:53,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:44:53,593 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:44:53,593 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 01:44:53,594 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 01:44:53,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:44:53,594 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 01:44:53,594 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:44:53,595 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_18c644cd-5835-4ce6-8891-8e68b4970349/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c644cd-5835-4ce6-8891-8e68b4970349/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7cc273f13a619f37768d5108c297b75ab7c37145fe391daced9c134730721251 [2021-11-23 01:44:53,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:44:53,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:44:53,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:44:53,987 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:44:53,988 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:44:53,989 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c644cd-5835-4ce6-8891-8e68b4970349/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread/queue_ok.i [2021-11-23 01:44:54,068 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c644cd-5835-4ce6-8891-8e68b4970349/bin/ukojak-LBtLqBUTdQ/data/00876349e/addb46b8a65c43958bdee276da148878/FLAG41bd6854f [2021-11-23 01:44:54,684 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:44:54,687 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c644cd-5835-4ce6-8891-8e68b4970349/sv-benchmarks/c/pthread/queue_ok.i [2021-11-23 01:44:54,712 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c644cd-5835-4ce6-8891-8e68b4970349/bin/ukojak-LBtLqBUTdQ/data/00876349e/addb46b8a65c43958bdee276da148878/FLAG41bd6854f [2021-11-23 01:44:55,073 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c644cd-5835-4ce6-8891-8e68b4970349/bin/ukojak-LBtLqBUTdQ/data/00876349e/addb46b8a65c43958bdee276da148878 [2021-11-23 01:44:55,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:44:55,078 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:44:55,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:44:55,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:44:55,085 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:44:55,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:44:55" (1/1) ... [2021-11-23 01:44:55,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@793aca9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:55, skipping insertion in model container [2021-11-23 01:44:55,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:44:55" (1/1) ... [2021-11-23 01:44:55,094 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:44:55,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:44:55,702 WARN L230 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_18c644cd-5835-4ce6-8891-8e68b4970349/sv-benchmarks/c/pthread/queue_ok.i[43266,43279] [2021-11-23 01:44:55,707 WARN L230 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_18c644cd-5835-4ce6-8891-8e68b4970349/sv-benchmarks/c/pthread/queue_ok.i[43543,43556] [2021-11-23 01:44:55,712 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:44:55,726 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:44:55,800 WARN L230 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_18c644cd-5835-4ce6-8891-8e68b4970349/sv-benchmarks/c/pthread/queue_ok.i[43266,43279] [2021-11-23 01:44:55,803 WARN L230 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_18c644cd-5835-4ce6-8891-8e68b4970349/sv-benchmarks/c/pthread/queue_ok.i[43543,43556] [2021-11-23 01:44:55,818 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:44:55,905 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:44:55,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:55 WrapperNode [2021-11-23 01:44:55,906 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:44:55,907 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:44:55,908 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:44:55,908 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:44:55,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:55" (1/1) ... [2021-11-23 01:44:55,939 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:55" (1/1) ... [2021-11-23 01:44:55,970 INFO L137 Inliner]: procedures = 278, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 174 [2021-11-23 01:44:55,970 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:44:55,971 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:44:55,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:44:55,971 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:44:55,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:55" (1/1) ... [2021-11-23 01:44:55,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:55" (1/1) ... [2021-11-23 01:44:55,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:55" (1/1) ... [2021-11-23 01:44:55,987 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:55" (1/1) ... [2021-11-23 01:44:56,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:55" (1/1) ... [2021-11-23 01:44:56,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:55" (1/1) ... [2021-11-23 01:44:56,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:55" (1/1) ... [2021-11-23 01:44:56,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:44:56,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:44:56,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:44:56,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:44:56,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:55" (1/1) ... [2021-11-23 01:44:56,022 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:44:56,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c644cd-5835-4ce6-8891-8e68b4970349/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:44:56,058 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c644cd-5835-4ce6-8891-8e68b4970349/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:44:56,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c644cd-5835-4ce6-8891-8e68b4970349/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:44:56,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 01:44:56,110 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-23 01:44:56,110 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-23 01:44:56,110 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-23 01:44:56,110 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-23 01:44:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:44:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2021-11-23 01:44:56,113 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2021-11-23 01:44:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:44:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 01:44:56,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 01:44:56,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 01:44:56,114 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 01:44:56,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:44:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:44:56,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:44:56,116 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 01:44:56,329 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:44:56,346 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:44:56,762 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:44:56,772 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:44:56,772 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 01:44:56,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:44:56 BoogieIcfgContainer [2021-11-23 01:44:56,779 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:44:56,780 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:44:56,780 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:44:56,789 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:44:56,789 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:44:56" (1/1) ... [2021-11-23 01:44:56,790 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) [2021-11-23 01:44:56,796 INFO L158 Benchmark]: Toolchain (without parser) took 1716.64ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 36.0MB in the beginning and 42.9MB in the end (delta: -6.9MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2021-11-23 01:44:56,797 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 58.7MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:44:56,798 INFO L158 Benchmark]: CACSL2BoogieTranslator took 825.27ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 35.8MB in the beginning and 48.7MB in the end (delta: -12.9MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2021-11-23 01:44:56,799 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.17ms. Allocated memory is still 73.4MB. Free memory was 48.7MB in the beginning and 45.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:44:56,800 INFO L158 Benchmark]: Boogie Preprocessor took 42.94ms. Allocated memory is still 73.4MB. Free memory was 45.6MB in the beginning and 43.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:44:56,801 INFO L158 Benchmark]: RCFGBuilder took 764.23ms. Allocated memory is still 73.4MB. Free memory was 43.5MB in the beginning and 44.1MB in the end (delta: -545.6kB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2021-11-23 01:44:56,801 INFO L158 Benchmark]: CodeCheck took 13.88ms. Allocated memory is still 73.4MB. Free memory was 44.1MB in the beginning and 42.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:44:56,811 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 58.7MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 825.27ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 35.8MB in the beginning and 48.7MB in the end (delta: -12.9MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.17ms. Allocated memory is still 73.4MB. Free memory was 48.7MB in the beginning and 45.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.94ms. Allocated memory is still 73.4MB. Free memory was 45.6MB in the beginning and 43.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 764.23ms. Allocated memory is still 73.4MB. Free memory was 43.5MB in the beginning and 44.1MB in the end (delta: -545.6kB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * CodeCheck took 13.88ms. Allocated memory is still 73.4MB. Free memory was 44.1MB in the beginning and 42.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:44:56,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18c644cd-5835-4ce6-8891-8e68b4970349/bin/ukojak-LBtLqBUTdQ/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