./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 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:42:58,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:42:58,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:42:58,946 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:42:58,947 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:42:58,949 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:42:58,950 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:42:58,952 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:42:58,954 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:42:58,958 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:42:58,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:42:58,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:42:58,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:42:58,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:42:58,963 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:42:58,967 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:42:58,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:42:58,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:42:58,970 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:42:58,974 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:42:58,975 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:42:58,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:42:58,977 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:42:58,978 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:42:58,983 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:42:58,983 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:42:58,983 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:42:58,985 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:42:58,985 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:42:58,986 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:42:58,986 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:42:58,987 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:42:58,988 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:42:58,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:42:58,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:42:58,989 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:42:58,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:42:58,990 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:42:58,990 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:42:58,991 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:42:58,992 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:42:58,992 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 11:42:59,017 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:42:59,018 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:42:59,018 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:42:59,018 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:42:59,019 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:42:59,019 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:42:59,020 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:42:59,020 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:42:59,020 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:42:59,021 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:42:59,021 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:42:59,021 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 11:42:59,022 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:42:59,022 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:42:59,022 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:42:59,022 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:42:59,022 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:42:59,022 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:42:59,023 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:42:59,023 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:42:59,023 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:42:59,023 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:42:59,023 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:42:59,023 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:42:59,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:42:59,024 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:42:59,024 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:42:59,025 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:42:59,025 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 11:42:59,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 11:42:59,025 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:42:59,026 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:42:59,026 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:42:59,026 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:42:59,026 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e288cdaba4e30d81bab26ec9691518934a309caacc3b94b192fd690548484ff4 [2021-12-15 11:42:59,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:42:59,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:42:59,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:42:59,259 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:42:59,260 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:42:59,261 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2021-12-15 11:42:59,305 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebf6773e8/14af92b63d5240a98a9b8b52fc91daee/FLAG65355d476 [2021-12-15 11:42:59,766 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:42:59,767 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2021-12-15 11:42:59,785 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebf6773e8/14af92b63d5240a98a9b8b52fc91daee/FLAG65355d476 [2021-12-15 11:42:59,798 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebf6773e8/14af92b63d5240a98a9b8b52fc91daee [2021-12-15 11:42:59,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:42:59,801 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:42:59,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:42:59,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:42:59,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:42:59,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:42:59" (1/1) ... [2021-12-15 11:42:59,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8f36902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:42:59, skipping insertion in model container [2021-12-15 11:42:59,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:42:59" (1/1) ... [2021-12-15 11:42:59,812 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:42:59,853 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:43:00,095 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2021-12-15 11:43:00,198 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:43:00,209 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:43:00,231 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2021-12-15 11:43:00,269 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:43:00,295 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:43:00,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:00 WrapperNode [2021-12-15 11:43:00,295 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:43:00,296 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:43:00,296 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:43:00,296 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:43:00,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:00" (1/1) ... [2021-12-15 11:43:00,324 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:00" (1/1) ... [2021-12-15 11:43:00,361 INFO L137 Inliner]: procedures = 147, calls = 289, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 597 [2021-12-15 11:43:00,361 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:43:00,362 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:43:00,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:43:00,362 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:43:00,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:00" (1/1) ... [2021-12-15 11:43:00,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:00" (1/1) ... [2021-12-15 11:43:00,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:00" (1/1) ... [2021-12-15 11:43:00,392 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:00" (1/1) ... [2021-12-15 11:43:00,406 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:00" (1/1) ... [2021-12-15 11:43:00,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:00" (1/1) ... [2021-12-15 11:43:00,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:00" (1/1) ... [2021-12-15 11:43:00,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:43:00,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:43:00,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:43:00,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:43:00,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:00" (1/1) ... [2021-12-15 11:43:00,439 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:43:00,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:43:00,456 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 11:43:00,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 11:43:00,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 11:43:00,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 11:43:00,490 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 11:43:00,490 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 11:43:00,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:43:00,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 11:43:00,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 11:43:00,490 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2021-12-15 11:43:00,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2021-12-15 11:43:00,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 11:43:00,491 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2021-12-15 11:43:00,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2021-12-15 11:43:00,491 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-12-15 11:43:00,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-12-15 11:43:00,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 11:43:00,491 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2021-12-15 11:43:00,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2021-12-15 11:43:00,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 11:43:00,492 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2021-12-15 11:43:00,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2021-12-15 11:43:00,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:43:00,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:43:00,655 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:43:00,656 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:43:00,904 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume !(0 != ~__CS_ret~0 % 256); [2021-12-15 11:43:00,904 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume 0 != ~__CS_ret~0 % 256;reader_#res#1.base, reader_#res#1.offset := 0, 0; [2021-12-15 11:43:03,165 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:43:03,176 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2021-12-15 11:43:03,179 INFO L158 Benchmark]: Toolchain (without parser) took 3377.36ms. Allocated memory was 109.1MB in the beginning and 144.7MB in the end (delta: 35.7MB). Free memory was 78.1MB in the beginning and 89.5MB in the end (delta: -11.4MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. [2021-12-15 11:43:03,180 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 66.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:43:03,180 INFO L158 Benchmark]: CACSL2BoogieTranslator took 492.10ms. Allocated memory is still 109.1MB. Free memory was 78.1MB in the beginning and 67.5MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 11:43:03,181 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.87ms. Allocated memory is still 109.1MB. Free memory was 67.5MB in the beginning and 63.1MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 11:43:03,181 INFO L158 Benchmark]: Boogie Preprocessor took 56.49ms. Allocated memory is still 109.1MB. Free memory was 63.1MB in the beginning and 58.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 11:43:03,182 INFO L158 Benchmark]: RCFGBuilder took 2759.38ms. Allocated memory was 109.1MB in the beginning and 144.7MB in the end (delta: 35.7MB). Free memory was 58.9MB in the beginning and 89.5MB in the end (delta: -30.6MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2021-12-15 11:43:03,183 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 66.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 492.10ms. Allocated memory is still 109.1MB. Free memory was 78.1MB in the beginning and 67.5MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.87ms. Allocated memory is still 109.1MB. Free memory was 67.5MB in the beginning and 63.1MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.49ms. Allocated memory is still 109.1MB. Free memory was 63.1MB in the beginning and 58.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2759.38ms. Allocated memory was 109.1MB in the beginning and 144.7MB in the end (delta: 35.7MB). Free memory was 58.9MB in the beginning and 89.5MB in the end (delta: -30.6MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 11:43:03,211 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:43:04,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:43:04,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:43:04,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:43:04,861 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:43:04,863 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:43:04,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:43:04,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:43:04,869 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:43:04,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:43:04,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:43:04,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:43:04,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:43:04,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:43:04,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:43:04,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:43:04,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:43:04,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:43:04,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:43:04,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:43:04,882 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:43:04,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:43:04,883 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:43:04,884 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:43:04,885 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:43:04,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:43:04,886 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:43:04,886 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:43:04,886 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:43:04,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:43:04,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:43:04,887 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:43:04,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:43:04,888 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:43:04,889 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:43:04,889 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:43:04,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:43:04,890 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:43:04,890 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:43:04,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:43:04,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:43:04,894 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 11:43:04,923 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:43:04,924 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:43:04,924 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:43:04,924 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:43:04,925 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:43:04,925 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:43:04,926 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:43:04,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:43:04,926 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:43:04,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:43:04,927 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:43:04,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:43:04,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:43:04,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:43:04,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:43:04,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:43:04,927 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 11:43:04,928 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 11:43:04,928 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 11:43:04,928 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:43:04,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:43:04,928 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:43:04,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:43:04,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:43:04,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:43:04,928 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:43:04,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:43:04,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:43:04,928 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:43:04,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:43:04,929 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 11:43:04,929 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 11:43:04,929 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:43:04,929 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:43:04,929 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:43:04,929 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:43:04,929 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 11:43:04,929 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e288cdaba4e30d81bab26ec9691518934a309caacc3b94b192fd690548484ff4 [2021-12-15 11:43:05,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:43:05,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:43:05,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:43:05,210 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:43:05,212 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:43:05,213 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2021-12-15 11:43:05,255 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec2cd7cc7/ce41c292b985462197d6eb26b226e06f/FLAGe29e66e90 [2021-12-15 11:43:05,656 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:43:05,657 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i [2021-12-15 11:43:05,672 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec2cd7cc7/ce41c292b985462197d6eb26b226e06f/FLAGe29e66e90 [2021-12-15 11:43:06,011 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec2cd7cc7/ce41c292b985462197d6eb26b226e06f [2021-12-15 11:43:06,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:43:06,016 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:43:06,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:43:06,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:43:06,021 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:43:06,021 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:43:06" (1/1) ... [2021-12-15 11:43:06,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1efd2a24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:06, skipping insertion in model container [2021-12-15 11:43:06,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:43:06" (1/1) ... [2021-12-15 11:43:06,028 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:43:06,076 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:43:06,293 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2021-12-15 11:43:06,388 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:43:06,400 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:43:06,425 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_read_write_lock-1.i[23614,23627] [2021-12-15 11:43:06,481 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:43:06,519 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:43:06,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:06 WrapperNode [2021-12-15 11:43:06,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:43:06,521 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:43:06,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:43:06,521 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:43:06,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:06" (1/1) ... [2021-12-15 11:43:06,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:06" (1/1) ... [2021-12-15 11:43:06,577 INFO L137 Inliner]: procedures = 151, calls = 289, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 586 [2021-12-15 11:43:06,578 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:43:06,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:43:06,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:43:06,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:43:06,585 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:06" (1/1) ... [2021-12-15 11:43:06,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:06" (1/1) ... [2021-12-15 11:43:06,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:06" (1/1) ... [2021-12-15 11:43:06,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:06" (1/1) ... [2021-12-15 11:43:06,615 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:06" (1/1) ... [2021-12-15 11:43:06,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:06" (1/1) ... [2021-12-15 11:43:06,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:06" (1/1) ... [2021-12-15 11:43:06,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:43:06,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:43:06,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:43:06,641 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:43:06,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:06" (1/1) ... [2021-12-15 11:43:06,646 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:43:06,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:43:06,672 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 11:43:06,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 11:43:06,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 11:43:06,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 11:43:06,706 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 11:43:06,707 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 11:43:06,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:43:06,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 11:43:06,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 11:43:06,708 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2021-12-15 11:43:06,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2021-12-15 11:43:06,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 11:43:06,708 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2021-12-15 11:43:06,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2021-12-15 11:43:06,708 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-12-15 11:43:06,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-12-15 11:43:06,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 11:43:06,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 11:43:06,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 11:43:06,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 11:43:06,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 11:43:06,709 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2021-12-15 11:43:06,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2021-12-15 11:43:06,709 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2021-12-15 11:43:06,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2021-12-15 11:43:06,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:43:06,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:43:06,870 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:43:06,871 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:43:07,198 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2021-12-15 11:43:07,199 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);reader_#res#1.base, reader_#res#1.offset := 0bv32, 0bv32; [2021-12-15 11:43:09,922 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:43:09,940 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2021-12-15 11:43:09,945 INFO L158 Benchmark]: Toolchain (without parser) took 3927.60ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 36.4MB in the beginning and 33.2MB in the end (delta: 3.2MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2021-12-15 11:43:09,946 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 58.7MB. Free memory was 41.3MB in the beginning and 41.2MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:43:09,947 INFO L158 Benchmark]: CACSL2BoogieTranslator took 502.02ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 36.3MB in the beginning and 57.3MB in the end (delta: -21.0MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2021-12-15 11:43:09,947 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.22ms. Allocated memory is still 79.7MB. Free memory was 57.3MB in the beginning and 52.8MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 11:43:09,948 INFO L158 Benchmark]: Boogie Preprocessor took 61.71ms. Allocated memory is still 79.7MB. Free memory was 52.8MB in the beginning and 48.2MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 11:43:09,949 INFO L158 Benchmark]: RCFGBuilder took 3302.19ms. Allocated memory is still 79.7MB. Free memory was 48.2MB in the beginning and 33.2MB in the end (delta: 15.0MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2021-12-15 11:43:09,954 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 58.7MB. Free memory was 41.3MB in the beginning and 41.2MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 502.02ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 36.3MB in the beginning and 57.3MB in the end (delta: -21.0MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.22ms. Allocated memory is still 79.7MB. Free memory was 57.3MB in the beginning and 52.8MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.71ms. Allocated memory is still 79.7MB. Free memory was 52.8MB in the beginning and 48.2MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3302.19ms. Allocated memory is still 79.7MB. Free memory was 48.2MB in the beginning and 33.2MB in the end (delta: 15.0MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 11:43:09,996 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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: Set is immutable