./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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-2.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 1458378674bd140ace04512980940eeb05aa22f50528a181d147a292aa3349d2 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 19:03:22,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 19:03:22,574 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 19:03:22,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 19:03:22,619 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 19:03:22,623 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 19:03:22,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 19:03:22,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 19:03:22,630 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 19:03:22,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 19:03:22,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 19:03:22,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 19:03:22,634 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 19:03:22,638 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 19:03:22,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 19:03:22,642 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 19:03:22,644 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 19:03:22,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 19:03:22,651 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 19:03:22,655 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 19:03:22,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 19:03:22,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 19:03:22,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 19:03:22,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 19:03:22,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 19:03:22,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 19:03:22,667 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 19:03:22,668 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 19:03:22,668 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 19:03:22,669 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 19:03:22,669 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 19:03:22,670 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 19:03:22,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 19:03:22,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 19:03:22,672 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 19:03:22,672 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 19:03:22,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 19:03:22,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 19:03:22,672 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 19:03:22,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 19:03:22,673 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 19:03:22,674 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 19:03:22,708 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 19:03:22,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 19:03:22,716 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 19:03:22,716 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 19:03:22,717 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 19:03:22,717 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 19:03:22,718 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 19:03:22,718 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 19:03:22,718 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 19:03:22,718 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 19:03:22,720 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 19:03:22,720 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 19:03:22,720 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 19:03:22,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 19:03:22,720 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 19:03:22,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 19:03:22,721 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 19:03:22,721 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 19:03:22,721 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 19:03:22,721 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 19:03:22,721 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 19:03:22,722 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 19:03:22,722 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 19:03:22,722 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 19:03:22,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 19:03:22,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 19:03:22,723 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 19:03:22,723 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 19:03:22,723 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 19:03:22,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 19:03:22,723 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 19:03:22,723 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 19:03:22,724 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 19:03:22,724 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1458378674bd140ace04512980940eeb05aa22f50528a181d147a292aa3349d2 [2022-02-20 19:03:22,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 19:03:23,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 19:03:23,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 19:03:23,029 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 19:03:23,029 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 19:03:23,031 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i [2022-02-20 19:03:23,093 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8be55aec7/fa051dea119d470f85eb37a8760df9ee/FLAG6f1c64dac [2022-02-20 19:03:23,541 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 19:03:23,542 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i [2022-02-20 19:03:23,587 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8be55aec7/fa051dea119d470f85eb37a8760df9ee/FLAG6f1c64dac [2022-02-20 19:03:23,600 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8be55aec7/fa051dea119d470f85eb37a8760df9ee [2022-02-20 19:03:23,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 19:03:23,605 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 19:03:23,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 19:03:23,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 19:03:23,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 19:03:23,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 07:03:23" (1/1) ... [2022-02-20 19:03:23,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aec158e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:03:23, skipping insertion in model container [2022-02-20 19:03:23,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 07:03:23" (1/1) ... [2022-02-20 19:03:23,624 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 19:03:23,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 19:03:23,940 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-2.i[23469,23482] [2022-02-20 19:03:24,090 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 19:03:24,115 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 19:03:24,151 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-2.i[23469,23482] [2022-02-20 19:03:24,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 19:03:24,250 INFO L208 MainTranslator]: Completed translation [2022-02-20 19:03:24,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:03:24 WrapperNode [2022-02-20 19:03:24,252 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 19:03:24,253 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 19:03:24,253 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 19:03:24,254 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 19:03:24,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:03:24" (1/1) ... [2022-02-20 19:03:24,296 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:03:24" (1/1) ... [2022-02-20 19:03:24,366 INFO L137 Inliner]: procedures = 145, calls = 279, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 558 [2022-02-20 19:03:24,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 19:03:24,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 19:03:24,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 19:03:24,372 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 19:03:24,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:03:24" (1/1) ... [2022-02-20 19:03:24,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:03:24" (1/1) ... [2022-02-20 19:03:24,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:03:24" (1/1) ... [2022-02-20 19:03:24,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:03:24" (1/1) ... [2022-02-20 19:03:24,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:03:24" (1/1) ... [2022-02-20 19:03:24,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:03:24" (1/1) ... [2022-02-20 19:03:24,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:03:24" (1/1) ... [2022-02-20 19:03:24,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 19:03:24,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 19:03:24,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 19:03:24,477 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 19:03:24,478 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:03:24" (1/1) ... [2022-02-20 19:03:24,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 19:03:24,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 19:03:24,524 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) [2022-02-20 19:03:24,531 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 [2022-02-20 19:03:24,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-20 19:03:24,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-20 19:03:24,557 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-02-20 19:03:24,558 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-02-20 19:03:24,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 19:03:24,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-20 19:03:24,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-20 19:03:24,558 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2022-02-20 19:03:24,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2022-02-20 19:03:24,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-20 19:03:24,560 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2022-02-20 19:03:24,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2022-02-20 19:03:24,560 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-02-20 19:03:24,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-02-20 19:03:24,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 19:03:24,561 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2022-02-20 19:03:24,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2022-02-20 19:03:24,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 19:03:24,562 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2022-02-20 19:03:24,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2022-02-20 19:03:24,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 19:03:24,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 19:03:24,689 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 19:03:24,690 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 19:03:25,098 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume !(0 != ~__CS_ret~0 % 256); [2022-02-20 19:03:25,098 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume 0 != ~__CS_ret~0 % 256;reader_#res#1.base, reader_#res#1.offset := 0, 0; [2022-02-20 19:03:27,511 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 19:03:27,542 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 19:03:27,543 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 19:03:27,543 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: L694 is neither atomic block end nor a sink node. [2022-02-20 19:03:27,544 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:302) 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) [2022-02-20 19:03:27,549 INFO L158 Benchmark]: Toolchain (without parser) took 3942.34ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 65.0MB in the beginning and 54.7MB in the end (delta: 10.2MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2022-02-20 19:03:27,550 INFO L158 Benchmark]: CDTParser took 0.70ms. Allocated memory is still 73.4MB. Free memory is still 35.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 19:03:27,551 INFO L158 Benchmark]: CACSL2BoogieTranslator took 642.07ms. Allocated memory is still 94.4MB. Free memory was 65.0MB in the beginning and 50.8MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-02-20 19:03:27,551 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.66ms. Allocated memory is still 94.4MB. Free memory was 50.8MB in the beginning and 44.8MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-02-20 19:03:27,552 INFO L158 Benchmark]: Boogie Preprocessor took 96.65ms. Allocated memory is still 94.4MB. Free memory was 44.8MB in the beginning and 39.4MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-20 19:03:27,554 INFO L158 Benchmark]: RCFGBuilder took 3078.04ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 39.4MB in the beginning and 54.7MB in the end (delta: -15.3MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2022-02-20 19:03:27,560 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70ms. Allocated memory is still 73.4MB. Free memory is still 35.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 642.07ms. Allocated memory is still 94.4MB. Free memory was 65.0MB in the beginning and 50.8MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 117.66ms. Allocated memory is still 94.4MB. Free memory was 50.8MB in the beginning and 44.8MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.65ms. Allocated memory is still 94.4MB. Free memory was 44.8MB in the beginning and 39.4MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3078.04ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 39.4MB in the beginning and 54.7MB in the end (delta: -15.3MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:302) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-02-20 19:03:27,598 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 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 -ea -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-2.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 1458378674bd140ace04512980940eeb05aa22f50528a181d147a292aa3349d2 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 19:03:29,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 19:03:29,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 19:03:29,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 19:03:29,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 19:03:29,627 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 19:03:29,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 19:03:29,634 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 19:03:29,637 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 19:03:29,643 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 19:03:29,644 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 19:03:29,649 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 19:03:29,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 19:03:29,651 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 19:03:29,653 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 19:03:29,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 19:03:29,657 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 19:03:29,658 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 19:03:29,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 19:03:29,665 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 19:03:29,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 19:03:29,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 19:03:29,669 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 19:03:29,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 19:03:29,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 19:03:29,679 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 19:03:29,679 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 19:03:29,680 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 19:03:29,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 19:03:29,682 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 19:03:29,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 19:03:29,683 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 19:03:29,685 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 19:03:29,685 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 19:03:29,687 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 19:03:29,687 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 19:03:29,688 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 19:03:29,688 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 19:03:29,688 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 19:03:29,690 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 19:03:29,690 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 19:03:29,691 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-02-20 19:03:29,725 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 19:03:29,725 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 19:03:29,726 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 19:03:29,726 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 19:03:29,727 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 19:03:29,727 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 19:03:29,729 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 19:03:29,729 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 19:03:29,729 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 19:03:29,729 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 19:03:29,730 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 19:03:29,731 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 19:03:29,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 19:03:29,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 19:03:29,731 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 19:03:29,731 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 19:03:29,732 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-20 19:03:29,732 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-02-20 19:03:29,732 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-02-20 19:03:29,732 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 19:03:29,732 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 19:03:29,732 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 19:03:29,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 19:03:29,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 19:03:29,733 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 19:03:29,733 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 19:03:29,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 19:03:29,743 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 19:03:29,743 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 19:03:29,743 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 19:03:29,743 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-02-20 19:03:29,743 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-02-20 19:03:29,747 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 19:03:29,747 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 19:03:29,748 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 19:03:29,748 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-02-20 19:03:29,748 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1458378674bd140ace04512980940eeb05aa22f50528a181d147a292aa3349d2 [2022-02-20 19:03:30,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 19:03:30,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 19:03:30,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 19:03:30,063 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 19:03:30,064 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 19:03:30,066 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i [2022-02-20 19:03:30,133 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bba0491ba/5b46338c3a7a44539af979ac0acc6d2b/FLAGa4c789d3e [2022-02-20 19:03:30,759 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 19:03:30,761 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i [2022-02-20 19:03:30,780 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bba0491ba/5b46338c3a7a44539af979ac0acc6d2b/FLAGa4c789d3e [2022-02-20 19:03:31,136 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bba0491ba/5b46338c3a7a44539af979ac0acc6d2b [2022-02-20 19:03:31,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 19:03:31,140 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 19:03:31,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 19:03:31,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 19:03:31,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 19:03:31,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 07:03:31" (1/1) ... [2022-02-20 19:03:31,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@324882dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:03:31, skipping insertion in model container [2022-02-20 19:03:31,145 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 07:03:31" (1/1) ... [2022-02-20 19:03:31,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 19:03:31,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 19:03:31,487 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-2.i[23469,23482] [2022-02-20 19:03:31,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 19:03:31,648 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 19:03:31,683 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-2.i[23469,23482] [2022-02-20 19:03:31,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 19:03:31,821 INFO L208 MainTranslator]: Completed translation [2022-02-20 19:03:31,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:03:31 WrapperNode [2022-02-20 19:03:31,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 19:03:31,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 19:03:31,823 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 19:03:31,823 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 19:03:31,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:03:31" (1/1) ... [2022-02-20 19:03:31,870 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:03:31" (1/1) ... [2022-02-20 19:03:31,929 INFO L137 Inliner]: procedures = 149, calls = 279, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 551 [2022-02-20 19:03:31,937 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 19:03:31,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 19:03:31,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 19:03:31,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 19:03:31,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:03:31" (1/1) ... [2022-02-20 19:03:31,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:03:31" (1/1) ... [2022-02-20 19:03:31,957 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:03:31" (1/1) ... [2022-02-20 19:03:31,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:03:31" (1/1) ... [2022-02-20 19:03:31,989 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:03:31" (1/1) ... [2022-02-20 19:03:31,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:03:31" (1/1) ... [2022-02-20 19:03:31,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:03:31" (1/1) ... [2022-02-20 19:03:32,002 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 19:03:32,003 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 19:03:32,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 19:03:32,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 19:03:32,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 07:03:31" (1/1) ... [2022-02-20 19:03:32,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 19:03:32,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 19:03:32,043 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) [2022-02-20 19:03:32,050 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 [2022-02-20 19:03:32,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-02-20 19:03:32,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-02-20 19:03:32,076 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-02-20 19:03:32,076 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-02-20 19:03:32,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 19:03:32,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-20 19:03:32,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-20 19:03:32,076 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2022-02-20 19:03:32,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2022-02-20 19:03:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-20 19:03:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2022-02-20 19:03:32,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2022-02-20 19:03:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-02-20 19:03:32,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-02-20 19:03:32,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-02-20 19:03:32,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 19:03:32,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-02-20 19:03:32,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-02-20 19:03:32,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-02-20 19:03:32,085 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2022-02-20 19:03:32,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2022-02-20 19:03:32,085 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2022-02-20 19:03:32,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2022-02-20 19:03:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 19:03:32,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 19:03:32,273 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 19:03:32,274 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 19:03:32,826 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2022-02-20 19:03:32,826 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);reader_#res#1.base, reader_#res#1.offset := 0bv32, 0bv32; [2022-02-20 19:03:35,542 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 19:03:35,578 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 19:03:35,585 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 19:03:35,587 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: L694 is neither atomic block end nor a sink node. [2022-02-20 19:03:35,603 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:302) 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) [2022-02-20 19:03:35,607 INFO L158 Benchmark]: Toolchain (without parser) took 4466.82ms. Allocated memory was 56.6MB in the beginning and 88.1MB in the end (delta: 31.5MB). Free memory was 33.1MB in the beginning and 47.4MB in the end (delta: -14.3MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2022-02-20 19:03:35,608 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 56.6MB. Free memory was 38.1MB in the beginning and 38.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 19:03:35,608 INFO L158 Benchmark]: CACSL2BoogieTranslator took 681.47ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 32.8MB in the beginning and 50.9MB in the end (delta: -18.1MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2022-02-20 19:03:35,609 INFO L158 Benchmark]: Boogie Procedure Inliner took 114.07ms. Allocated memory is still 73.4MB. Free memory was 50.9MB in the beginning and 45.2MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-02-20 19:03:35,609 INFO L158 Benchmark]: Boogie Preprocessor took 64.61ms. Allocated memory is still 73.4MB. Free memory was 45.2MB in the beginning and 39.1MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-02-20 19:03:35,610 INFO L158 Benchmark]: RCFGBuilder took 3602.83ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 39.1MB in the beginning and 47.4MB in the end (delta: -8.2MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2022-02-20 19:03:35,612 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 56.6MB. Free memory was 38.1MB in the beginning and 38.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 681.47ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 32.8MB in the beginning and 50.9MB in the end (delta: -18.1MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 114.07ms. Allocated memory is still 73.4MB. Free memory was 50.9MB in the beginning and 45.2MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.61ms. Allocated memory is still 73.4MB. Free memory was 45.2MB in the beginning and 39.1MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 3602.83ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 39.1MB in the beginning and 47.4MB in the end (delta: -8.2MB). Peak memory consumption was 19.6MB. 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:302) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-02-20 19:03:35,664 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: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?