./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 e19ca921 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-dev-e19ca92 [2021-12-22 12:20:14,633 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 12:20:14,634 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 12:20:14,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 12:20:14,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 12:20:14,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 12:20:14,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 12:20:14,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 12:20:14,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 12:20:14,702 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 12:20:14,704 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 12:20:14,705 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 12:20:14,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 12:20:14,708 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 12:20:14,709 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 12:20:14,710 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 12:20:14,711 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 12:20:14,711 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 12:20:14,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 12:20:14,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 12:20:14,718 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 12:20:14,719 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 12:20:14,720 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 12:20:14,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 12:20:14,724 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 12:20:14,726 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 12:20:14,726 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 12:20:14,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 12:20:14,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 12:20:14,728 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 12:20:14,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 12:20:14,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 12:20:14,740 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 12:20:14,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 12:20:14,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 12:20:14,741 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 12:20:14,741 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 12:20:14,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 12:20:14,742 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 12:20:14,742 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 12:20:14,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 12:20:14,743 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-22 12:20:14,764 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 12:20:14,764 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 12:20:14,764 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 12:20:14,764 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 12:20:14,765 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 12:20:14,765 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 12:20:14,765 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 12:20:14,765 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 12:20:14,765 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 12:20:14,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 12:20:14,766 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 12:20:14,766 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 12:20:14,766 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 12:20:14,766 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 12:20:14,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 12:20:14,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 12:20:14,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 12:20:14,766 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 12:20:14,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 12:20:14,766 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 12:20:14,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 12:20:14,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 12:20:14,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 12:20:14,767 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 12:20:14,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 12:20:14,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 12:20:14,767 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 12:20:14,767 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 12:20:14,767 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 12:20:14,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 12:20:14,768 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 12:20:14,768 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 12:20:14,768 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 12:20:14,768 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 12:20:14,768 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1458378674bd140ace04512980940eeb05aa22f50528a181d147a292aa3349d2 [2021-12-22 12:20:14,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 12:20:14,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 12:20:14,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 12:20:14,960 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 12:20:14,961 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 12:20:14,962 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i [2021-12-22 12:20:15,038 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1fb0f728/a0bb56950481442fbfa8fbd68740e1c7/FLAGdf79c2e4d [2021-12-22 12:20:15,452 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 12:20:15,452 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i [2021-12-22 12:20:15,471 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1fb0f728/a0bb56950481442fbfa8fbd68740e1c7/FLAGdf79c2e4d [2021-12-22 12:20:15,480 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1fb0f728/a0bb56950481442fbfa8fbd68740e1c7 [2021-12-22 12:20:15,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 12:20:15,483 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 12:20:15,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 12:20:15,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 12:20:15,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 12:20:15,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 12:20:15" (1/1) ... [2021-12-22 12:20:15,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cd481d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:20:15, skipping insertion in model container [2021-12-22 12:20:15,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 12:20:15" (1/1) ... [2021-12-22 12:20:15,493 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 12:20:15,515 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 12:20:15,756 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] [2021-12-22 12:20:15,854 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 12:20:15,864 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 12:20:15,890 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] [2021-12-22 12:20:15,931 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 12:20:15,955 INFO L208 MainTranslator]: Completed translation [2021-12-22 12:20:15,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:20:15 WrapperNode [2021-12-22 12:20:15,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 12:20:15,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 12:20:15,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 12:20:15,957 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 12:20:15,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:20:15" (1/1) ... [2021-12-22 12:20:15,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:20:15" (1/1) ... [2021-12-22 12:20:16,008 INFO L137 Inliner]: procedures = 145, calls = 279, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 558 [2021-12-22 12:20:16,008 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 12:20:16,009 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 12:20:16,009 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 12:20:16,009 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 12:20:16,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:20:15" (1/1) ... [2021-12-22 12:20:16,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:20:15" (1/1) ... [2021-12-22 12:20:16,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:20:15" (1/1) ... [2021-12-22 12:20:16,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:20:15" (1/1) ... [2021-12-22 12:20:16,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:20:15" (1/1) ... [2021-12-22 12:20:16,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:20:15" (1/1) ... [2021-12-22 12:20:16,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:20:15" (1/1) ... [2021-12-22 12:20:16,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 12:20:16,073 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 12:20:16,073 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 12:20:16,073 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 12:20:16,075 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:20:15" (1/1) ... [2021-12-22 12:20:16,083 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 12:20:16,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 12:20:16,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 12:20:16,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 12:20:16,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 12:20:16,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 12:20:16,153 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 12:20:16,153 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 12:20:16,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 12:20:16,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 12:20:16,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 12:20:16,154 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2021-12-22 12:20:16,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2021-12-22 12:20:16,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 12:20:16,154 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2021-12-22 12:20:16,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2021-12-22 12:20:16,154 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-12-22 12:20:16,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-12-22 12:20:16,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 12:20:16,155 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2021-12-22 12:20:16,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2021-12-22 12:20:16,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 12:20:16,155 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2021-12-22 12:20:16,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2021-12-22 12:20:16,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 12:20:16,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 12:20:16,322 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 12:20:16,324 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 12:20:16,531 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume !(0 != ~__CS_ret~0 % 256); [2021-12-22 12:20:16,531 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; [2021-12-22 12:20:18,770 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 12:20:18,800 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 12:20:18,800 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 12:20:18,801 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: L694 is neither atomic block end nor a sink node. [2021-12-22 12:20:18,802 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) [2021-12-22 12:20:18,808 INFO L158 Benchmark]: Toolchain (without parser) took 3324.60ms. Allocated memory was 96.5MB in the beginning and 123.7MB in the end (delta: 27.3MB). Free memory was 64.0MB in the beginning and 86.8MB in the end (delta: -22.8MB). Peak memory consumption was 67.2MB. Max. memory is 16.1GB. [2021-12-22 12:20:18,809 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 96.5MB. Free memory is still 54.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 12:20:18,810 INFO L158 Benchmark]: CACSL2BoogieTranslator took 472.10ms. Allocated memory was 96.5MB in the beginning and 123.7MB in the end (delta: 27.3MB). Free memory was 63.6MB in the beginning and 83.8MB in the end (delta: -20.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-22 12:20:18,811 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.15ms. Allocated memory is still 123.7MB. Free memory was 83.8MB in the beginning and 79.2MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-22 12:20:18,812 INFO L158 Benchmark]: Boogie Preprocessor took 63.11ms. Allocated memory is still 123.7MB. Free memory was 79.2MB in the beginning and 75.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-22 12:20:18,812 INFO L158 Benchmark]: RCFGBuilder took 2734.08ms. Allocated memory is still 123.7MB. Free memory was 75.5MB in the beginning and 86.8MB in the end (delta: -11.3MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. [2021-12-22 12:20:18,818 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 96.5MB. Free memory is still 54.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 472.10ms. Allocated memory was 96.5MB in the beginning and 123.7MB in the end (delta: 27.3MB). Free memory was 63.6MB in the beginning and 83.8MB in the end (delta: -20.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.15ms. Allocated memory is still 123.7MB. Free memory was 83.8MB in the beginning and 79.2MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.11ms. Allocated memory is still 123.7MB. Free memory was 79.2MB in the beginning and 75.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2734.08ms. Allocated memory is still 123.7MB. Free memory was 75.5MB in the beginning and 86.8MB in the end (delta: -11.3MB). Peak memory consumption was 50.6MB. 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. [2021-12-22 12:20:18,855 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 -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-e19ca92 [2021-12-22 12:20:20,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 12:20:20,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 12:20:20,478 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 12:20:20,479 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 12:20:20,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 12:20:20,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 12:20:20,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 12:20:20,492 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 12:20:20,495 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 12:20:20,496 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 12:20:20,499 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 12:20:20,499 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 12:20:20,501 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 12:20:20,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 12:20:20,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 12:20:20,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 12:20:20,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 12:20:20,508 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 12:20:20,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 12:20:20,514 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 12:20:20,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 12:20:20,515 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 12:20:20,517 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 12:20:20,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 12:20:20,519 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 12:20:20,519 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 12:20:20,520 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 12:20:20,520 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 12:20:20,520 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 12:20:20,521 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 12:20:20,521 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 12:20:20,522 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 12:20:20,523 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 12:20:20,523 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 12:20:20,524 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 12:20:20,524 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 12:20:20,524 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 12:20:20,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 12:20:20,525 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 12:20:20,526 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 12:20:20,527 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-22 12:20:20,553 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 12:20:20,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 12:20:20,554 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 12:20:20,554 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 12:20:20,555 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 12:20:20,555 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 12:20:20,556 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 12:20:20,556 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 12:20:20,556 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 12:20:20,557 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 12:20:20,557 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 12:20:20,558 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 12:20:20,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 12:20:20,558 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 12:20:20,558 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 12:20:20,558 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 12:20:20,558 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-22 12:20:20,558 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-22 12:20:20,558 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-22 12:20:20,559 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 12:20:20,559 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 12:20:20,559 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 12:20:20,559 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 12:20:20,559 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 12:20:20,559 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 12:20:20,559 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 12:20:20,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 12:20:20,560 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 12:20:20,560 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 12:20:20,560 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 12:20:20,560 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-22 12:20:20,560 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-22 12:20:20,561 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 12:20:20,561 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 12:20:20,561 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 12:20:20,561 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 12:20:20,561 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-22 12:20:20,561 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1458378674bd140ace04512980940eeb05aa22f50528a181d147a292aa3349d2 [2021-12-22 12:20:20,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 12:20:20,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 12:20:20,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 12:20:20,839 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 12:20:20,840 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 12:20:20,841 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i [2021-12-22 12:20:20,895 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39804c066/8e047e5967c34a4ba1e9e9ce74200aab/FLAG1391b39b3 [2021-12-22 12:20:21,328 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 12:20:21,330 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i [2021-12-22 12:20:21,341 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39804c066/8e047e5967c34a4ba1e9e9ce74200aab/FLAG1391b39b3 [2021-12-22 12:20:21,353 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39804c066/8e047e5967c34a4ba1e9e9ce74200aab [2021-12-22 12:20:21,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 12:20:21,356 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 12:20:21,357 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 12:20:21,357 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 12:20:21,359 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 12:20:21,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 12:20:21" (1/1) ... [2021-12-22 12:20:21,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@417697e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:20:21, skipping insertion in model container [2021-12-22 12:20:21,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 12:20:21" (1/1) ... [2021-12-22 12:20:21,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 12:20:21,407 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 12:20:21,646 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] [2021-12-22 12:20:21,756 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 12:20:21,775 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 12:20:21,803 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] [2021-12-22 12:20:21,860 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 12:20:21,894 INFO L208 MainTranslator]: Completed translation [2021-12-22 12:20:21,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:20:21 WrapperNode [2021-12-22 12:20:21,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 12:20:21,896 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 12:20:21,896 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 12:20:21,896 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 12:20:21,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:20:21" (1/1) ... [2021-12-22 12:20:21,936 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:20:21" (1/1) ... [2021-12-22 12:20:21,991 INFO L137 Inliner]: procedures = 149, calls = 279, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 551 [2021-12-22 12:20:21,994 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 12:20:21,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 12:20:21,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 12:20:21,996 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 12:20:22,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:20:21" (1/1) ... [2021-12-22 12:20:22,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:20:21" (1/1) ... [2021-12-22 12:20:22,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:20:21" (1/1) ... [2021-12-22 12:20:22,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:20:21" (1/1) ... [2021-12-22 12:20:22,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:20:21" (1/1) ... [2021-12-22 12:20:22,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:20:21" (1/1) ... [2021-12-22 12:20:22,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:20:21" (1/1) ... [2021-12-22 12:20:22,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 12:20:22,081 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 12:20:22,082 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 12:20:22,082 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 12:20:22,083 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:20:21" (1/1) ... [2021-12-22 12:20:22,088 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 12:20:22,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 12:20:22,109 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 12:20:22,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 12:20:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-22 12:20:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-22 12:20:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 12:20:22,149 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 12:20:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 12:20:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 12:20:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 12:20:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2021-12-22 12:20:22,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2021-12-22 12:20:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 12:20:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2021-12-22 12:20:22,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2021-12-22 12:20:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-12-22 12:20:22,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-12-22 12:20:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-22 12:20:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 12:20:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-22 12:20:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-22 12:20:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-22 12:20:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2021-12-22 12:20:22,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2021-12-22 12:20:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2021-12-22 12:20:22,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2021-12-22 12:20:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 12:20:22,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 12:20:22,327 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 12:20:22,328 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 12:20:22,774 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2021-12-22 12:20:22,774 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; [2021-12-22 12:20:25,352 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 12:20:25,369 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 12:20:25,370 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 12:20:25,370 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: L694 is neither atomic block end nor a sink node. [2021-12-22 12:20:25,371 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) [2021-12-22 12:20:25,374 INFO L158 Benchmark]: Toolchain (without parser) took 4018.02ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 46.8MB in the beginning and 53.7MB in the end (delta: -6.9MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2021-12-22 12:20:25,375 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 67.1MB. Free memory was 49.9MB in the beginning and 49.9MB in the end (delta: 49.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 12:20:25,375 INFO L158 Benchmark]: CACSL2BoogieTranslator took 538.87ms. Allocated memory is still 67.1MB. Free memory was 46.6MB in the beginning and 32.3MB in the end (delta: 14.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-22 12:20:25,376 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.76ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 32.1MB in the beginning and 74.3MB in the end (delta: -42.2MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2021-12-22 12:20:25,376 INFO L158 Benchmark]: Boogie Preprocessor took 85.25ms. Allocated memory is still 94.4MB. Free memory was 74.3MB in the beginning and 70.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-22 12:20:25,377 INFO L158 Benchmark]: RCFGBuilder took 3291.83ms. Allocated memory is still 94.4MB. Free memory was 69.7MB in the beginning and 53.7MB in the end (delta: 15.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-12-22 12:20:25,378 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 67.1MB. Free memory was 49.9MB in the beginning and 49.9MB in the end (delta: 49.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 538.87ms. Allocated memory is still 67.1MB. Free memory was 46.6MB in the beginning and 32.3MB in the end (delta: 14.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.76ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 32.1MB in the beginning and 74.3MB in the end (delta: -42.2MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.25ms. Allocated memory is still 94.4MB. Free memory was 74.3MB in the beginning and 70.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3291.83ms. Allocated memory is still 94.4MB. Free memory was 69.7MB in the beginning and 53.7MB in the end (delta: 15.9MB). Peak memory consumption was 31.5MB. 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. [2021-12-22 12:20:25,418 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?