./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.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_258b7ece-eea0-43a7-aadd-c55bcac96316/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_258b7ece-eea0-43a7-aadd-c55bcac96316/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_258b7ece-eea0-43a7-aadd-c55bcac96316/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_258b7ece-eea0-43a7-aadd-c55bcac96316/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_258b7ece-eea0-43a7-aadd-c55bcac96316/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_258b7ece-eea0-43a7-aadd-c55bcac96316/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 1458378674bd140ace04512980940eeb05aa22f50528a181d147a292aa3349d2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:21:10,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:21:10,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:21:11,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:21:11,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:21:11,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:21:11,039 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:21:11,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:21:11,047 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:21:11,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:21:11,057 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:21:11,058 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:21:11,059 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:21:11,062 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:21:11,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:21:11,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:21:11,074 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:21:11,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:21:11,077 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:21:11,080 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:21:11,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:21:11,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:21:11,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:21:11,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:21:11,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:21:11,100 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:21:11,101 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:21:11,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:21:11,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:21:11,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:21:11,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:21:11,105 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:21:11,106 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:21:11,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:21:11,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:21:11,108 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:21:11,108 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:21:11,108 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:21:11,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:21:11,109 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:21:11,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:21:11,110 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_258b7ece-eea0-43a7-aadd-c55bcac96316/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-20 06:21:11,136 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:21:11,136 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:21:11,136 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:21:11,137 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:21:11,137 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:21:11,137 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:21:11,138 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:21:11,138 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:21:11,138 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:21:11,139 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:21:11,139 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:21:11,139 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:21:11,139 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:21:11,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:21:11,140 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:21:11,140 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:21:11,140 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:21:11,140 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:21:11,140 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:21:11,141 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:21:11,141 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:21:11,141 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:21:11,141 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:21:11,141 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:21:11,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:21:11,142 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:21:11,142 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:21:11,142 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:21:11,142 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:21:11,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:21:11,143 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:21:11,143 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:21:11,143 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:21:11,143 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:21:11,143 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_258b7ece-eea0-43a7-aadd-c55bcac96316/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_258b7ece-eea0-43a7-aadd-c55bcac96316/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1458378674bd140ace04512980940eeb05aa22f50528a181d147a292aa3349d2 [2021-11-20 06:21:11,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:21:11,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:21:11,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:21:11,432 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:21:11,433 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:21:11,434 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_258b7ece-eea0-43a7-aadd-c55bcac96316/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i [2021-11-20 06:21:11,496 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_258b7ece-eea0-43a7-aadd-c55bcac96316/bin/uautomizer-DQz5hQGWxF/data/1c921ceb5/6b7e0a8df92d45e09e6d45bc76e79307/FLAGe084011f7 [2021-11-20 06:21:12,061 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:21:12,061 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_258b7ece-eea0-43a7-aadd-c55bcac96316/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i [2021-11-20 06:21:12,087 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_258b7ece-eea0-43a7-aadd-c55bcac96316/bin/uautomizer-DQz5hQGWxF/data/1c921ceb5/6b7e0a8df92d45e09e6d45bc76e79307/FLAGe084011f7 [2021-11-20 06:21:12,354 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_258b7ece-eea0-43a7-aadd-c55bcac96316/bin/uautomizer-DQz5hQGWxF/data/1c921ceb5/6b7e0a8df92d45e09e6d45bc76e79307 [2021-11-20 06:21:12,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:21:12,358 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:21:12,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:21:12,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:21:12,363 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:21:12,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:21:12" (1/1) ... [2021-11-20 06:21:12,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e8c9a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:12, skipping insertion in model container [2021-11-20 06:21:12,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:21:12" (1/1) ... [2021-11-20 06:21:12,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:21:12,429 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:21:12,867 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_258b7ece-eea0-43a7-aadd-c55bcac96316/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i[23469,23482] [2021-11-20 06:21:13,012 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:21:13,026 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:21:13,052 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_258b7ece-eea0-43a7-aadd-c55bcac96316/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i[23469,23482] [2021-11-20 06:21:13,122 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:21:13,158 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:21:13,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:13 WrapperNode [2021-11-20 06:21:13,159 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:21:13,160 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:21:13,160 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:21:13,160 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:21:13,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:13" (1/1) ... [2021-11-20 06:21:13,191 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:13" (1/1) ... [2021-11-20 06:21:13,248 INFO L137 Inliner]: procedures = 145, calls = 279, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 558 [2021-11-20 06:21:13,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:21:13,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:21:13,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:21:13,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:21:13,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:13" (1/1) ... [2021-11-20 06:21:13,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:13" (1/1) ... [2021-11-20 06:21:13,283 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:13" (1/1) ... [2021-11-20 06:21:13,291 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:13" (1/1) ... [2021-11-20 06:21:13,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:13" (1/1) ... [2021-11-20 06:21:13,335 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:13" (1/1) ... [2021-11-20 06:21:13,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:13" (1/1) ... [2021-11-20 06:21:13,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:21:13,356 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:21:13,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:21:13,357 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:21:13,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:13" (1/1) ... [2021-11-20 06:21:13,366 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:21:13,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_258b7ece-eea0-43a7-aadd-c55bcac96316/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:21:13,405 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_258b7ece-eea0-43a7-aadd-c55bcac96316/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:21:13,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_258b7ece-eea0-43a7-aadd-c55bcac96316/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:21:13,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:21:13,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:21:13,450 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 06:21:13,450 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 06:21:13,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:21:13,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:21:13,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 06:21:13,451 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2021-11-20 06:21:13,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2021-11-20 06:21:13,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 06:21:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2021-11-20 06:21:13,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2021-11-20 06:21:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-20 06:21:13,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-20 06:21:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:21:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2021-11-20 06:21:13,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2021-11-20 06:21:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:21:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2021-11-20 06:21:13,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2021-11-20 06:21:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:21:13,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:21:13,668 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:21:13,670 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:21:14,079 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume !(0 != ~__CS_ret~0 % 256); [2021-11-20 06:21:14,080 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 06:21:16,524 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:21:16,576 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:21:16,576 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 06:21:16,577 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L694 is neither atomic block end nor a sink node. [2021-11-20 06:21:16,578 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 06:21:16,584 INFO L158 Benchmark]: Toolchain (without parser) took 4223.99ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 73.5MB in the beginning and 45.9MB in the end (delta: 27.6MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. [2021-11-20 06:21:16,585 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 96.5MB. Free memory was 70.8MB in the beginning and 70.8MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:21:16,587 INFO L158 Benchmark]: CACSL2BoogieTranslator took 799.68ms. Allocated memory is still 96.5MB. Free memory was 73.3MB in the beginning and 55.6MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-20 06:21:16,588 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.09ms. Allocated memory is still 96.5MB. Free memory was 55.4MB in the beginning and 51.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-20 06:21:16,589 INFO L158 Benchmark]: Boogie Preprocessor took 106.03ms. Allocated memory is still 96.5MB. Free memory was 51.2MB in the beginning and 47.4MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-20 06:21:16,591 INFO L158 Benchmark]: RCFGBuilder took 3224.69ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 47.4MB in the beginning and 45.9MB in the end (delta: 1.4MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2021-11-20 06:21:16,601 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 96.5MB. Free memory was 70.8MB in the beginning and 70.8MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 799.68ms. Allocated memory is still 96.5MB. Free memory was 73.3MB in the beginning and 55.6MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.09ms. Allocated memory is still 96.5MB. Free memory was 55.4MB in the beginning and 51.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 106.03ms. Allocated memory is still 96.5MB. Free memory was 51.2MB in the beginning and 47.4MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3224.69ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 47.4MB in the beginning and 45.9MB in the end (delta: 1.4MB). Peak memory consumption was 28.8MB. 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 06:21:16,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_258b7ece-eea0-43a7-aadd-c55bcac96316/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_258b7ece-eea0-43a7-aadd-c55bcac96316/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_258b7ece-eea0-43a7-aadd-c55bcac96316/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_258b7ece-eea0-43a7-aadd-c55bcac96316/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_258b7ece-eea0-43a7-aadd-c55bcac96316/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_258b7ece-eea0-43a7-aadd-c55bcac96316/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_258b7ece-eea0-43a7-aadd-c55bcac96316/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 1458378674bd140ace04512980940eeb05aa22f50528a181d147a292aa3349d2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:21:19,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:21:19,262 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:21:19,305 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:21:19,305 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:21:19,310 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:21:19,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:21:19,323 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:21:19,326 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:21:19,332 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:21:19,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:21:19,335 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:21:19,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:21:19,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:21:19,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:21:19,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:21:19,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:21:19,349 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:21:19,351 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:21:19,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:21:19,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:21:19,363 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:21:19,366 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:21:19,368 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:21:19,378 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:21:19,378 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:21:19,378 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:21:19,381 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:21:19,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:21:19,383 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:21:19,384 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:21:19,385 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:21:19,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:21:19,388 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:21:19,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:21:19,390 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:21:19,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:21:19,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:21:19,401 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:21:19,404 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:21:19,404 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:21:19,410 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_258b7ece-eea0-43a7-aadd-c55bcac96316/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-11-20 06:21:19,459 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:21:19,460 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:21:19,461 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:21:19,461 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:21:19,462 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:21:19,462 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:21:19,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:21:19,465 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:21:19,465 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:21:19,465 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:21:19,466 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:21:19,467 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:21:19,467 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:21:19,467 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:21:19,468 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:21:19,468 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:21:19,468 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-20 06:21:19,468 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 06:21:19,469 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 06:21:19,469 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:21:19,469 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:21:19,469 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:21:19,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:21:19,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:21:19,470 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:21:19,471 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:21:19,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:21:19,471 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:21:19,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:21:19,472 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:21:19,472 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-20 06:21:19,472 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 06:21:19,473 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:21:19,473 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:21:19,473 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:21:19,474 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:21:19,474 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 06:21:19,474 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_258b7ece-eea0-43a7-aadd-c55bcac96316/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_258b7ece-eea0-43a7-aadd-c55bcac96316/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1458378674bd140ace04512980940eeb05aa22f50528a181d147a292aa3349d2 [2021-11-20 06:21:19,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:21:19,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:21:19,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:21:19,911 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:21:19,912 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:21:19,914 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_258b7ece-eea0-43a7-aadd-c55bcac96316/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i [2021-11-20 06:21:19,994 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_258b7ece-eea0-43a7-aadd-c55bcac96316/bin/uautomizer-DQz5hQGWxF/data/d614fda0f/cb7dbbd2f7b04080a9e6d5a43040ea2a/FLAG4647c4f49 [2021-11-20 06:21:20,740 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:21:20,741 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_258b7ece-eea0-43a7-aadd-c55bcac96316/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i [2021-11-20 06:21:20,760 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_258b7ece-eea0-43a7-aadd-c55bcac96316/bin/uautomizer-DQz5hQGWxF/data/d614fda0f/cb7dbbd2f7b04080a9e6d5a43040ea2a/FLAG4647c4f49 [2021-11-20 06:21:20,910 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_258b7ece-eea0-43a7-aadd-c55bcac96316/bin/uautomizer-DQz5hQGWxF/data/d614fda0f/cb7dbbd2f7b04080a9e6d5a43040ea2a [2021-11-20 06:21:20,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:21:20,916 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:21:20,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:21:20,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:21:20,924 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:21:20,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:21:20" (1/1) ... [2021-11-20 06:21:20,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78db4de2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:20, skipping insertion in model container [2021-11-20 06:21:20,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:21:20" (1/1) ... [2021-11-20 06:21:20,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:21:21,016 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:21:21,478 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_258b7ece-eea0-43a7-aadd-c55bcac96316/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i[23469,23482] [2021-11-20 06:21:21,644 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:21:21,673 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:21:21,725 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_258b7ece-eea0-43a7-aadd-c55bcac96316/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i[23469,23482] [2021-11-20 06:21:21,813 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:21:21,862 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:21:21,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:21 WrapperNode [2021-11-20 06:21:21,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:21:21,864 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:21:21,864 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:21:21,864 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:21:21,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:21" (1/1) ... [2021-11-20 06:21:21,917 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:21" (1/1) ... [2021-11-20 06:21:21,968 INFO L137 Inliner]: procedures = 149, calls = 279, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 551 [2021-11-20 06:21:21,969 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:21:21,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:21:21,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:21:21,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:21:21,994 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:21" (1/1) ... [2021-11-20 06:21:21,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:21" (1/1) ... [2021-11-20 06:21:22,004 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:21" (1/1) ... [2021-11-20 06:21:22,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:21" (1/1) ... [2021-11-20 06:21:22,066 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:21" (1/1) ... [2021-11-20 06:21:22,078 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:21" (1/1) ... [2021-11-20 06:21:22,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:21" (1/1) ... [2021-11-20 06:21:22,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:21:22,107 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:21:22,107 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:21:22,108 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:21:22,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:21" (1/1) ... [2021-11-20 06:21:22,124 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:21:22,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_258b7ece-eea0-43a7-aadd-c55bcac96316/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:21:22,156 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_258b7ece-eea0-43a7-aadd-c55bcac96316/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:21:22,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_258b7ece-eea0-43a7-aadd-c55bcac96316/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:21:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-20 06:21:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-20 06:21:22,199 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 06:21:22,199 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 06:21:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:21:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:21:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 06:21:22,200 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2021-11-20 06:21:22,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2021-11-20 06:21:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 06:21:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2021-11-20 06:21:22,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2021-11-20 06:21:22,201 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-20 06:21:22,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-11-20 06:21:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-20 06:21:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:21:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-20 06:21:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-20 06:21:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-20 06:21:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2021-11-20 06:21:22,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2021-11-20 06:21:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2021-11-20 06:21:22,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2021-11-20 06:21:22,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:21:22,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:21:22,383 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:21:22,385 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:21:23,091 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2021-11-20 06:21:23,092 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 06:21:25,834 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:21:25,867 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:21:25,867 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 06:21:25,868 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L694 is neither atomic block end nor a sink node. [2021-11-20 06:21:25,869 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 06:21:25,873 INFO L158 Benchmark]: Toolchain (without parser) took 4955.84ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 43.7MB in the beginning and 48.9MB in the end (delta: -5.3MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2021-11-20 06:21:25,875 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 65.0MB. Free memory was 45.7MB in the beginning and 45.7MB in the end (delta: 50.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:21:25,875 INFO L158 Benchmark]: CACSL2BoogieTranslator took 942.95ms. Allocated memory is still 65.0MB. Free memory was 43.4MB in the beginning and 29.6MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-20 06:21:25,876 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.95ms. Allocated memory is still 65.0MB. Free memory was 29.6MB in the beginning and 25.1MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-20 06:21:25,877 INFO L158 Benchmark]: Boogie Preprocessor took 137.27ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 25.1MB in the beginning and 64.5MB in the end (delta: -39.4MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2021-11-20 06:21:25,878 INFO L158 Benchmark]: RCFGBuilder took 3764.04ms. Allocated memory is still 86.0MB. Free memory was 64.5MB in the beginning and 48.9MB in the end (delta: 15.6MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2021-11-20 06:21:25,881 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 65.0MB. Free memory was 45.7MB in the beginning and 45.7MB in the end (delta: 50.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 942.95ms. Allocated memory is still 65.0MB. Free memory was 43.4MB in the beginning and 29.6MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.95ms. Allocated memory is still 65.0MB. Free memory was 29.6MB in the beginning and 25.1MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 137.27ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 25.1MB in the beginning and 64.5MB in the end (delta: -39.4MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * RCFGBuilder took 3764.04ms. Allocated memory is still 86.0MB. Free memory was 64.5MB in the beginning and 48.9MB in the end (delta: 15.6MB). Peak memory consumption was 32.9MB. 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 06:21:25,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_258b7ece-eea0-43a7-aadd-c55bcac96316/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 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?