./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 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-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-?-f4b24e3 [2022-07-13 19:20:42,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 19:20:42,302 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 19:20:42,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 19:20:42,350 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 19:20:42,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 19:20:42,355 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 19:20:42,357 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 19:20:42,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 19:20:42,362 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 19:20:42,363 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 19:20:42,365 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 19:20:42,365 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 19:20:42,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 19:20:42,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 19:20:42,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 19:20:42,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 19:20:42,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 19:20:42,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 19:20:42,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 19:20:42,379 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 19:20:42,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 19:20:42,381 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 19:20:42,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 19:20:42,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 19:20:42,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 19:20:42,388 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 19:20:42,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 19:20:42,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 19:20:42,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 19:20:42,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 19:20:42,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 19:20:42,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 19:20:42,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 19:20:42,393 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 19:20:42,394 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 19:20:42,394 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 19:20:42,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 19:20:42,394 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 19:20:42,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 19:20:42,395 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 19:20:42,397 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 19:20:42,398 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 19:20:42,422 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 19:20:42,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 19:20:42,423 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 19:20:42,423 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 19:20:42,424 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 19:20:42,424 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 19:20:42,424 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 19:20:42,424 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 19:20:42,425 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 19:20:42,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 19:20:42,425 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 19:20:42,426 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 19:20:42,426 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 19:20:42,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 19:20:42,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 19:20:42,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 19:20:42,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 19:20:42,426 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 19:20:42,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 19:20:42,427 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 19:20:42,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 19:20:42,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 19:20:42,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 19:20:42,427 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 19:20:42,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 19:20:42,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 19:20:42,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 19:20:42,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 19:20:42,428 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 19:20:42,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 19:20:42,428 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 19:20:42,429 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 19:20:42,429 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 19:20:42,429 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1458378674bd140ace04512980940eeb05aa22f50528a181d147a292aa3349d2 [2022-07-13 19:20:42,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 19:20:42,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 19:20:42,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 19:20:42,708 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 19:20:42,709 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 19:20:42,709 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i [2022-07-13 19:20:42,764 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90d52101a/9b008b01bb3347508d563d4dfa48cc50/FLAGa69ea2643 [2022-07-13 19:20:43,168 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 19:20:43,168 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i [2022-07-13 19:20:43,178 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90d52101a/9b008b01bb3347508d563d4dfa48cc50/FLAGa69ea2643 [2022-07-13 19:20:43,189 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90d52101a/9b008b01bb3347508d563d4dfa48cc50 [2022-07-13 19:20:43,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 19:20:43,193 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 19:20:43,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 19:20:43,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 19:20:43,198 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 19:20:43,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 07:20:43" (1/1) ... [2022-07-13 19:20:43,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4af19a41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:20:43, skipping insertion in model container [2022-07-13 19:20:43,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 07:20:43" (1/1) ... [2022-07-13 19:20:43,219 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 19:20:43,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 19:20:43,519 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] [2022-07-13 19:20:43,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 19:20:43,648 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 19:20:43,670 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] [2022-07-13 19:20:43,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 19:20:43,731 INFO L208 MainTranslator]: Completed translation [2022-07-13 19:20:43,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:20:43 WrapperNode [2022-07-13 19:20:43,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 19:20:43,732 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 19:20:43,732 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 19:20:43,733 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 19:20:43,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:20:43" (1/1) ... [2022-07-13 19:20:43,754 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:20:43" (1/1) ... [2022-07-13 19:20:43,785 INFO L137 Inliner]: procedures = 145, calls = 279, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 558 [2022-07-13 19:20:43,786 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 19:20:43,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 19:20:43,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 19:20:43,787 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 19:20:43,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:20:43" (1/1) ... [2022-07-13 19:20:43,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:20:43" (1/1) ... [2022-07-13 19:20:43,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:20:43" (1/1) ... [2022-07-13 19:20:43,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:20:43" (1/1) ... [2022-07-13 19:20:43,813 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:20:43" (1/1) ... [2022-07-13 19:20:43,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:20:43" (1/1) ... [2022-07-13 19:20:43,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:20:43" (1/1) ... [2022-07-13 19:20:43,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 19:20:43,823 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 19:20:43,823 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 19:20:43,823 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 19:20:43,824 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:20:43" (1/1) ... [2022-07-13 19:20:43,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 19:20:43,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 19:20:43,893 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) [2022-07-13 19:20:43,947 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 [2022-07-13 19:20:43,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-13 19:20:43,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-13 19:20:43,970 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-13 19:20:43,970 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-13 19:20:43,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 19:20:43,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 19:20:43,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-13 19:20:43,971 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2022-07-13 19:20:43,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2022-07-13 19:20:43,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-13 19:20:43,971 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2022-07-13 19:20:43,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2022-07-13 19:20:43,971 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-07-13 19:20:43,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-07-13 19:20:43,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 19:20:43,979 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2022-07-13 19:20:43,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2022-07-13 19:20:43,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 19:20:43,985 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2022-07-13 19:20:43,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2022-07-13 19:20:43,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 19:20:43,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 19:20:44,105 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 19:20:44,107 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 19:20:44,432 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume !(0 != ~__CS_ret~0 % 256); [2022-07-13 19:20:44,432 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume 0 != ~__CS_ret~0 % 256;reader_#res#1.base, reader_#res#1.offset := 0, 0; [2022-07-13 19:20:46,678 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 19:20:46,696 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 19:20:46,696 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-13 19:20:46,697 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: L694 is neither atomic block end nor a sink node. [2022-07-13 19:20:46,698 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) [2022-07-13 19:20:46,708 INFO L158 Benchmark]: Toolchain (without parser) took 3513.44ms. Allocated memory was 88.1MB in the beginning and 117.4MB in the end (delta: 29.4MB). Free memory was 46.8MB in the beginning and 37.7MB in the end (delta: 9.1MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2022-07-13 19:20:46,708 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 88.1MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 19:20:46,709 INFO L158 Benchmark]: CACSL2BoogieTranslator took 536.47ms. Allocated memory is still 88.1MB. Free memory was 46.6MB in the beginning and 47.1MB in the end (delta: -485.4kB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2022-07-13 19:20:46,709 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.83ms. Allocated memory is still 88.1MB. Free memory was 47.1MB in the beginning and 42.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-13 19:20:46,710 INFO L158 Benchmark]: Boogie Preprocessor took 35.52ms. Allocated memory is still 88.1MB. Free memory was 42.9MB in the beginning and 39.0MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-13 19:20:46,711 INFO L158 Benchmark]: RCFGBuilder took 2877.05ms. Allocated memory was 88.1MB in the beginning and 117.4MB in the end (delta: 29.4MB). Free memory was 39.0MB in the beginning and 37.7MB in the end (delta: 1.3MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2022-07-13 19:20:46,716 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 88.1MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 536.47ms. Allocated memory is still 88.1MB. Free memory was 46.6MB in the beginning and 47.1MB in the end (delta: -485.4kB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.83ms. Allocated memory is still 88.1MB. Free memory was 47.1MB in the beginning and 42.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.52ms. Allocated memory is still 88.1MB. Free memory was 42.9MB in the beginning and 39.0MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2877.05ms. Allocated memory was 88.1MB in the beginning and 117.4MB in the end (delta: 29.4MB). Free memory was 39.0MB in the beginning and 37.7MB in the end (delta: 1.3MB). Peak memory consumption was 33.3MB. 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. [2022-07-13 19:20:46,768 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-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-?-f4b24e3 [2022-07-13 19:20:48,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 19:20:48,412 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 19:20:48,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 19:20:48,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 19:20:48,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 19:20:48,450 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 19:20:48,453 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 19:20:48,455 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 19:20:48,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 19:20:48,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 19:20:48,465 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 19:20:48,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 19:20:48,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 19:20:48,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 19:20:48,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 19:20:48,470 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 19:20:48,471 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 19:20:48,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 19:20:48,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 19:20:48,476 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 19:20:48,477 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 19:20:48,478 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 19:20:48,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 19:20:48,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 19:20:48,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 19:20:48,484 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 19:20:48,484 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 19:20:48,484 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 19:20:48,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 19:20:48,485 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 19:20:48,486 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 19:20:48,487 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 19:20:48,487 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 19:20:48,488 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 19:20:48,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 19:20:48,489 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 19:20:48,489 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 19:20:48,490 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 19:20:48,490 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 19:20:48,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 19:20:48,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 19:20:48,492 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-13 19:20:48,519 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 19:20:48,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 19:20:48,520 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 19:20:48,520 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 19:20:48,521 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 19:20:48,521 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 19:20:48,521 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 19:20:48,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 19:20:48,522 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 19:20:48,522 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 19:20:48,522 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 19:20:48,523 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 19:20:48,523 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 19:20:48,523 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 19:20:48,529 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 19:20:48,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 19:20:48,530 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-13 19:20:48,530 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-13 19:20:48,530 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-13 19:20:48,530 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 19:20:48,530 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 19:20:48,530 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 19:20:48,530 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 19:20:48,531 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 19:20:48,535 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 19:20:48,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 19:20:48,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 19:20:48,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 19:20:48,536 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 19:20:48,536 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 19:20:48,536 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-13 19:20:48,536 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-13 19:20:48,536 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 19:20:48,536 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 19:20:48,537 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 19:20:48,537 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-13 19:20:48,537 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1458378674bd140ace04512980940eeb05aa22f50528a181d147a292aa3349d2 [2022-07-13 19:20:48,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 19:20:48,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 19:20:48,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 19:20:48,834 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 19:20:48,834 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 19:20:48,836 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i [2022-07-13 19:20:48,901 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbf7d52cd/d05168e51a964f488796205b0b020ea9/FLAG53f2c5e41 [2022-07-13 19:20:49,394 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 19:20:49,395 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i [2022-07-13 19:20:49,413 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbf7d52cd/d05168e51a964f488796205b0b020ea9/FLAG53f2c5e41 [2022-07-13 19:20:49,924 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbf7d52cd/d05168e51a964f488796205b0b020ea9 [2022-07-13 19:20:49,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 19:20:49,928 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 19:20:49,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 19:20:49,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 19:20:49,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 19:20:49,931 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 07:20:49" (1/1) ... [2022-07-13 19:20:49,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68af1be5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:20:49, skipping insertion in model container [2022-07-13 19:20:49,932 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 07:20:49" (1/1) ... [2022-07-13 19:20:49,937 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 19:20:49,959 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 19:20:50,211 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] [2022-07-13 19:20:50,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 19:20:50,305 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 19:20:50,335 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] [2022-07-13 19:20:50,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 19:20:50,425 INFO L208 MainTranslator]: Completed translation [2022-07-13 19:20:50,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:20:50 WrapperNode [2022-07-13 19:20:50,426 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 19:20:50,427 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 19:20:50,427 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 19:20:50,427 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 19:20:50,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:20:50" (1/1) ... [2022-07-13 19:20:50,473 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:20:50" (1/1) ... [2022-07-13 19:20:50,515 INFO L137 Inliner]: procedures = 149, calls = 279, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 551 [2022-07-13 19:20:50,515 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 19:20:50,516 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 19:20:50,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 19:20:50,516 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 19:20:50,522 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:20:50" (1/1) ... [2022-07-13 19:20:50,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:20:50" (1/1) ... [2022-07-13 19:20:50,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:20:50" (1/1) ... [2022-07-13 19:20:50,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:20:50" (1/1) ... [2022-07-13 19:20:50,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:20:50" (1/1) ... [2022-07-13 19:20:50,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:20:50" (1/1) ... [2022-07-13 19:20:50,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:20:50" (1/1) ... [2022-07-13 19:20:50,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 19:20:50,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 19:20:50,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 19:20:50,572 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 19:20:50,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 07:20:50" (1/1) ... [2022-07-13 19:20:50,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 19:20:50,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 19:20:50,616 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) [2022-07-13 19:20:50,636 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 [2022-07-13 19:20:50,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-13 19:20:50,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-13 19:20:50,648 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-13 19:20:50,648 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-13 19:20:50,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 19:20:50,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 19:20:50,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-13 19:20:50,649 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2022-07-13 19:20:50,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2022-07-13 19:20:50,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-13 19:20:50,649 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2022-07-13 19:20:50,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2022-07-13 19:20:50,650 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-07-13 19:20:50,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-07-13 19:20:50,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-13 19:20:50,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 19:20:50,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-13 19:20:50,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-13 19:20:50,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-13 19:20:50,651 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2022-07-13 19:20:50,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2022-07-13 19:20:50,651 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2022-07-13 19:20:50,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2022-07-13 19:20:50,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 19:20:50,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 19:20:50,801 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 19:20:50,802 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 19:20:51,120 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2022-07-13 19:20:51,120 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);reader_#res#1.base, reader_#res#1.offset := 0bv32, 0bv32; [2022-07-13 19:20:53,594 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 19:20:53,634 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 19:20:53,634 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-13 19:20:53,635 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: L694 is neither atomic block end nor a sink node. [2022-07-13 19:20:53,636 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) [2022-07-13 19:20:53,640 INFO L158 Benchmark]: Toolchain (without parser) took 3711.56ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 45.9MB in the beginning and 39.3MB in the end (delta: 6.6MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2022-07-13 19:20:53,641 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 67.1MB. Free memory was 49.6MB in the beginning and 49.5MB in the end (delta: 50.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 19:20:53,642 INFO L158 Benchmark]: CACSL2BoogieTranslator took 497.97ms. Allocated memory is still 67.1MB. Free memory was 45.8MB in the beginning and 33.3MB in the end (delta: 12.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-13 19:20:53,642 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.40ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 33.3MB in the beginning and 66.4MB in the end (delta: -33.1MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2022-07-13 19:20:53,643 INFO L158 Benchmark]: Boogie Preprocessor took 54.83ms. Allocated memory is still 88.1MB. Free memory was 66.4MB in the beginning and 62.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-13 19:20:53,643 INFO L158 Benchmark]: RCFGBuilder took 3067.01ms. Allocated memory is still 88.1MB. Free memory was 62.2MB in the beginning and 39.3MB in the end (delta: 23.0MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2022-07-13 19:20:53,648 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 67.1MB. Free memory was 49.6MB in the beginning and 49.5MB in the end (delta: 50.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 497.97ms. Allocated memory is still 67.1MB. Free memory was 45.8MB in the beginning and 33.3MB in the end (delta: 12.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.40ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 33.3MB in the beginning and 66.4MB in the end (delta: -33.1MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.83ms. Allocated memory is still 88.1MB. Free memory was 66.4MB in the beginning and 62.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3067.01ms. Allocated memory is still 88.1MB. Free memory was 62.2MB in the beginning and 39.3MB in the end (delta: 23.0MB). Peak memory consumption was 29.7MB. 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. [2022-07-13 19:20:53,703 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 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?