./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c05d76-250d-42ae-8b4e-a963f69536e6/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c05d76-250d-42ae-8b4e-a963f69536e6/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c05d76-250d-42ae-8b4e-a963f69536e6/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c05d76-250d-42ae-8b4e-a963f69536e6/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c05d76-250d-42ae-8b4e-a963f69536e6/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c05d76-250d-42ae-8b4e-a963f69536e6/bin/uautomizer-DQz5hQGWxF --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e288cdaba4e30d81bab26ec9691518934a309caacc3b94b192fd690548484ff4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:27:35,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:27:35,902 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:27:35,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:27:35,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:27:35,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:27:35,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:27:35,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:27:35,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:27:35,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:27:35,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:27:35,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:27:35,949 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:27:35,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:27:35,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:27:35,953 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:27:35,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:27:35,956 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:27:35,958 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:27:35,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:27:35,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:27:35,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:27:35,966 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:27:35,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:27:35,971 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:27:35,971 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:27:35,972 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:27:35,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:27:35,974 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:27:35,975 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:27:35,976 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:27:35,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:27:35,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:27:35,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:27:35,980 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:27:35,980 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:27:35,981 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:27:35,981 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:27:35,982 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:27:35,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:27:35,983 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:27:35,984 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c05d76-250d-42ae-8b4e-a963f69536e6/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-20 07:27:36,010 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:27:36,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:27:36,011 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:27:36,011 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:27:36,012 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:27:36,012 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:27:36,013 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:27:36,013 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:27:36,013 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:27:36,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:27:36,014 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:27:36,014 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:27:36,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:27:36,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:27:36,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:27:36,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:27:36,015 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:27:36,015 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:27:36,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:27:36,016 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:27:36,016 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:27:36,016 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:27:36,016 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:27:36,017 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:27:36,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:27:36,017 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:27:36,017 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:27:36,018 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:27:36,018 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:27:36,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:27:36,018 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:27:36,018 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 07:27:36,019 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:27:36,019 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:27:36,019 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_a8c05d76-250d-42ae-8b4e-a963f69536e6/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c05d76-250d-42ae-8b4e-a963f69536e6/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e288cdaba4e30d81bab26ec9691518934a309caacc3b94b192fd690548484ff4 [2021-11-20 07:27:36,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:27:36,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:27:36,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:27:36,316 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:27:36,317 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:27:36,319 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c05d76-250d-42ae-8b4e-a963f69536e6/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2021-11-20 07:27:36,387 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c05d76-250d-42ae-8b4e-a963f69536e6/bin/uautomizer-DQz5hQGWxF/data/9398f29c8/2fb13d5361f34187a8ce53970ee7172e/FLAG170a10f77 [2021-11-20 07:27:37,095 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:27:37,096 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c05d76-250d-42ae-8b4e-a963f69536e6/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2021-11-20 07:27:37,112 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c05d76-250d-42ae-8b4e-a963f69536e6/bin/uautomizer-DQz5hQGWxF/data/9398f29c8/2fb13d5361f34187a8ce53970ee7172e/FLAG170a10f77 [2021-11-20 07:27:37,324 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c05d76-250d-42ae-8b4e-a963f69536e6/bin/uautomizer-DQz5hQGWxF/data/9398f29c8/2fb13d5361f34187a8ce53970ee7172e [2021-11-20 07:27:37,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:27:37,328 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:27:37,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:27:37,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:27:37,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:27:37,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:27:37" (1/1) ... [2021-11-20 07:27:37,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1159745f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:37, skipping insertion in model container [2021-11-20 07:27:37,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:27:37" (1/1) ... [2021-11-20 07:27:37,348 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:27:37,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:27:37,778 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_a8c05d76-250d-42ae-8b4e-a963f69536e6/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2021-11-20 07:27:37,898 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:27:37,915 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:27:37,962 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_a8c05d76-250d-42ae-8b4e-a963f69536e6/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2021-11-20 07:27:38,055 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:27:38,101 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:27:38,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:38 WrapperNode [2021-11-20 07:27:38,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:27:38,103 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:27:38,103 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:27:38,103 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:27:38,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:38" (1/1) ... [2021-11-20 07:27:38,138 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:38" (1/1) ... [2021-11-20 07:27:38,189 INFO L137 Inliner]: procedures = 147, calls = 289, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 597 [2021-11-20 07:27:38,190 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:27:38,191 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:27:38,191 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:27:38,191 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:27:38,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:38" (1/1) ... [2021-11-20 07:27:38,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:38" (1/1) ... [2021-11-20 07:27:38,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:38" (1/1) ... [2021-11-20 07:27:38,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:38" (1/1) ... [2021-11-20 07:27:38,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:38" (1/1) ... [2021-11-20 07:27:38,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:38" (1/1) ... [2021-11-20 07:27:38,252 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:38" (1/1) ... [2021-11-20 07:27:38,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:27:38,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:27:38,261 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:27:38,261 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:27:38,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:38" (1/1) ... [2021-11-20 07:27:38,291 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:27:38,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c05d76-250d-42ae-8b4e-a963f69536e6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:27:38,315 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c05d76-250d-42ae-8b4e-a963f69536e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:27:38,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c05d76-250d-42ae-8b4e-a963f69536e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:27:38,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:27:38,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:27:38,357 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 07:27:38,357 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 07:27:38,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:27:38,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:27:38,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 07:27:38,358 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2021-11-20 07:27:38,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2021-11-20 07:27:38,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 07:27:38,359 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2021-11-20 07:27:38,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2021-11-20 07:27:38,359 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-20 07:27:38,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-20 07:27:38,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:27:38,359 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2021-11-20 07:27:38,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2021-11-20 07:27:38,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:27:38,360 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2021-11-20 07:27:38,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2021-11-20 07:27:38,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:27:38,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:27:38,517 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:27:38,519 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:27:39,069 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume !(0 != ~__CS_ret~0 % 256); [2021-11-20 07:27:39,069 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume 0 != ~__CS_ret~0 % 256;reader_#res#1.base, reader_#res#1.offset := 0, 0; [2021-11-20 07:27:41,537 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:27:41,593 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:27:41,594 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 07:27:41,594 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L696 is neither atomic block end nor a sink node. [2021-11-20 07:27:41,595 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-20 07:27:41,601 INFO L158 Benchmark]: Toolchain (without parser) took 4270.91ms. Allocated memory was 102.8MB in the beginning and 146.8MB in the end (delta: 44.0MB). Free memory was 64.3MB in the beginning and 117.5MB in the end (delta: -53.3MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. [2021-11-20 07:27:41,602 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 102.8MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:27:41,604 INFO L158 Benchmark]: CACSL2BoogieTranslator took 769.26ms. Allocated memory is still 102.8MB. Free memory was 64.1MB in the beginning and 62.7MB in the end (delta: 1.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 07:27:41,604 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.29ms. Allocated memory is still 102.8MB. Free memory was 62.7MB in the beginning and 58.3MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-20 07:27:41,606 INFO L158 Benchmark]: Boogie Preprocessor took 69.43ms. Allocated memory is still 102.8MB. Free memory was 58.3MB in the beginning and 54.5MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-20 07:27:41,608 INFO L158 Benchmark]: RCFGBuilder took 3337.50ms. Allocated memory was 102.8MB in the beginning and 146.8MB in the end (delta: 44.0MB). Free memory was 54.1MB in the beginning and 117.5MB in the end (delta: -63.5MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2021-11-20 07:27:41,617 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 102.8MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 769.26ms. Allocated memory is still 102.8MB. Free memory was 64.1MB in the beginning and 62.7MB in the end (delta: 1.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.29ms. Allocated memory is still 102.8MB. Free memory was 62.7MB in the beginning and 58.3MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.43ms. Allocated memory is still 102.8MB. Free memory was 58.3MB in the beginning and 54.5MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3337.50ms. Allocated memory was 102.8MB in the beginning and 146.8MB in the end (delta: 44.0MB). Free memory was 54.1MB in the beginning and 117.5MB in the end (delta: -63.5MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-20 07:27:41,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c05d76-250d-42ae-8b4e-a963f69536e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c05d76-250d-42ae-8b4e-a963f69536e6/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c05d76-250d-42ae-8b4e-a963f69536e6/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c05d76-250d-42ae-8b4e-a963f69536e6/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c05d76-250d-42ae-8b4e-a963f69536e6/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c05d76-250d-42ae-8b4e-a963f69536e6/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c05d76-250d-42ae-8b4e-a963f69536e6/bin/uautomizer-DQz5hQGWxF --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e288cdaba4e30d81bab26ec9691518934a309caacc3b94b192fd690548484ff4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:27:44,136 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:27:44,140 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:27:44,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:27:44,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:27:44,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:27:44,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:27:44,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:27:44,216 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:27:44,222 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:27:44,224 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:27:44,226 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:27:44,226 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:27:44,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:27:44,231 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:27:44,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:27:44,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:27:44,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:27:44,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:27:44,249 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:27:44,252 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:27:44,253 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:27:44,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:27:44,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:27:44,267 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:27:44,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:27:44,268 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:27:44,270 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:27:44,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:27:44,272 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:27:44,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:27:44,274 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:27:44,276 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:27:44,277 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:27:44,278 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:27:44,285 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:27:44,286 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:27:44,286 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:27:44,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:27:44,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:27:44,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:27:44,290 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c05d76-250d-42ae-8b4e-a963f69536e6/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-11-20 07:27:44,336 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:27:44,336 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:27:44,337 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:27:44,338 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:27:44,339 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:27:44,339 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:27:44,341 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:27:44,342 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:27:44,342 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:27:44,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:27:44,343 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:27:44,344 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:27:44,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:27:44,344 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:27:44,345 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:27:44,345 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:27:44,345 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-20 07:27:44,345 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 07:27:44,346 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 07:27:44,346 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:27:44,346 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:27:44,346 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:27:44,347 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:27:44,347 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:27:44,347 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:27:44,347 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:27:44,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:27:44,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:27:44,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:27:44,349 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:27:44,349 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-20 07:27:44,349 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 07:27:44,350 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:27:44,350 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 07:27:44,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:27:44,350 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:27:44,351 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 07:27:44,351 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_a8c05d76-250d-42ae-8b4e-a963f69536e6/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c05d76-250d-42ae-8b4e-a963f69536e6/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e288cdaba4e30d81bab26ec9691518934a309caacc3b94b192fd690548484ff4 [2021-11-20 07:27:44,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:27:44,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:27:44,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:27:44,744 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:27:44,745 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:27:44,746 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c05d76-250d-42ae-8b4e-a963f69536e6/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2021-11-20 07:27:44,821 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c05d76-250d-42ae-8b4e-a963f69536e6/bin/uautomizer-DQz5hQGWxF/data/be01d2339/621c5ff2a6794850989caadf9e0f6cb5/FLAG9aca17717 [2021-11-20 07:27:45,544 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:27:45,545 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c05d76-250d-42ae-8b4e-a963f69536e6/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2021-11-20 07:27:45,563 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c05d76-250d-42ae-8b4e-a963f69536e6/bin/uautomizer-DQz5hQGWxF/data/be01d2339/621c5ff2a6794850989caadf9e0f6cb5/FLAG9aca17717 [2021-11-20 07:27:45,789 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c05d76-250d-42ae-8b4e-a963f69536e6/bin/uautomizer-DQz5hQGWxF/data/be01d2339/621c5ff2a6794850989caadf9e0f6cb5 [2021-11-20 07:27:45,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:27:45,793 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:27:45,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:27:45,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:27:45,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:27:45,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:27:45" (1/1) ... [2021-11-20 07:27:45,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46fd0470 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:45, skipping insertion in model container [2021-11-20 07:27:45,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:27:45" (1/1) ... [2021-11-20 07:27:45,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:27:45,865 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:27:46,170 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_a8c05d76-250d-42ae-8b4e-a963f69536e6/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2021-11-20 07:27:46,371 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:27:46,396 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:27:46,435 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_a8c05d76-250d-42ae-8b4e-a963f69536e6/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2021-11-20 07:27:46,506 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:27:46,552 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:27:46,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:46 WrapperNode [2021-11-20 07:27:46,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:27:46,554 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:27:46,554 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:27:46,555 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:27:46,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:46" (1/1) ... [2021-11-20 07:27:46,593 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:46" (1/1) ... [2021-11-20 07:27:46,638 INFO L137 Inliner]: procedures = 151, calls = 289, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 586 [2021-11-20 07:27:46,638 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:27:46,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:27:46,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:27:46,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:27:46,648 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:46" (1/1) ... [2021-11-20 07:27:46,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:46" (1/1) ... [2021-11-20 07:27:46,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:46" (1/1) ... [2021-11-20 07:27:46,659 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:46" (1/1) ... [2021-11-20 07:27:46,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:46" (1/1) ... [2021-11-20 07:27:46,698 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:46" (1/1) ... [2021-11-20 07:27:46,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:46" (1/1) ... [2021-11-20 07:27:46,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:27:46,729 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:27:46,729 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:27:46,729 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:27:46,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:27:46" (1/1) ... [2021-11-20 07:27:46,739 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:27:46,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c05d76-250d-42ae-8b4e-a963f69536e6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:27:46,774 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c05d76-250d-42ae-8b4e-a963f69536e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:27:46,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c05d76-250d-42ae-8b4e-a963f69536e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:27:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-20 07:27:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-20 07:27:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 07:27:46,830 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 07:27:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:27:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:27:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 07:27:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2021-11-20 07:27:46,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2021-11-20 07:27:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 07:27:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2021-11-20 07:27:46,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2021-11-20 07:27:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-20 07:27:46,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-20 07:27:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-20 07:27:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:27:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-20 07:27:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-20 07:27:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-20 07:27:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2021-11-20 07:27:46,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2021-11-20 07:27:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2021-11-20 07:27:46,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2021-11-20 07:27:46,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:27:46,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:27:47,047 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:27:47,049 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:27:47,660 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2021-11-20 07:27:47,661 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);reader_#res#1.base, reader_#res#1.offset := 0bv32, 0bv32; [2021-11-20 07:27:50,489 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:27:50,532 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:27:50,532 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 07:27:50,533 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L696 is neither atomic block end nor a sink node. [2021-11-20 07:27:50,537 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-20 07:27:50,543 INFO L158 Benchmark]: Toolchain (without parser) took 4748.91ms. Allocated memory was 56.6MB in the beginning and 94.4MB in the end (delta: 37.7MB). Free memory was 33.0MB in the beginning and 61.5MB in the end (delta: -28.5MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2021-11-20 07:27:50,544 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 56.6MB. Free memory was 37.1MB in the beginning and 37.1MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:27:50,546 INFO L158 Benchmark]: CACSL2BoogieTranslator took 745.46ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 32.8MB in the beginning and 50.1MB in the end (delta: -17.3MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2021-11-20 07:27:50,547 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.28ms. Allocated memory is still 75.5MB. Free memory was 50.1MB in the beginning and 45.4MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-20 07:27:50,548 INFO L158 Benchmark]: Boogie Preprocessor took 79.08ms. Allocated memory is still 75.5MB. Free memory was 45.4MB in the beginning and 40.9MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-20 07:27:50,549 INFO L158 Benchmark]: RCFGBuilder took 3812.28ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 40.9MB in the beginning and 61.5MB in the end (delta: -20.6MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2021-11-20 07:27:50,553 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 56.6MB. Free memory was 37.1MB in the beginning and 37.1MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 745.46ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 32.8MB in the beginning and 50.1MB in the end (delta: -17.3MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.28ms. Allocated memory is still 75.5MB. Free memory was 50.1MB in the beginning and 45.4MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.08ms. Allocated memory is still 75.5MB. Free memory was 45.4MB in the beginning and 40.9MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3812.28ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 40.9MB in the beginning and 61.5MB in the end (delta: -20.6MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-20 07:27:50,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8c05d76-250d-42ae-8b4e-a963f69536e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?