./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 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/seq-pthread/cs_read_write_lock-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 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:43:03,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:43:03,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:43:03,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:43:03,967 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:43:03,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:43:03,971 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:43:03,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:43:03,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:43:03,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:43:03,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:43:03,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:43:03,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:43:03,988 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:43:03,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:43:03,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:43:03,994 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:43:03,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:43:03,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:43:04,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:43:04,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:43:04,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:43:04,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:43:04,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:43:04,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:43:04,013 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:43:04,013 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:43:04,015 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:43:04,015 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:43:04,016 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:43:04,016 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:43:04,017 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:43:04,018 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:43:04,019 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:43:04,020 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:43:04,020 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:43:04,021 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:43:04,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:43:04,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:43:04,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:43:04,022 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:43:04,023 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 11:43:04,057 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:43:04,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:43:04,060 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:43:04,060 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:43:04,061 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:43:04,061 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:43:04,061 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:43:04,061 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:43:04,062 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:43:04,062 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:43:04,063 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:43:04,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 11:43:04,063 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:43:04,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:43:04,063 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:43:04,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:43:04,064 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:43:04,064 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:43:04,064 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:43:04,064 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:43:04,064 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:43:04,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:43:04,065 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:43:04,065 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:43:04,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:43:04,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:43:04,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:43:04,066 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:43:04,067 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 11:43:04,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 11:43:04,067 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:43:04,067 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:43:04,067 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:43:04,068 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:43:04,068 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1458378674bd140ace04512980940eeb05aa22f50528a181d147a292aa3349d2 [2021-12-15 11:43:04,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:43:04,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:43:04,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:43:04,336 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:43:04,336 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:43:04,337 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i [2021-12-15 11:43:04,384 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/708224de8/cb28aa411450481990ba6fd5d9767a32/FLAG69d4eae0e [2021-12-15 11:43:04,872 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:43:04,880 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i [2021-12-15 11:43:04,905 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/708224de8/cb28aa411450481990ba6fd5d9767a32/FLAG69d4eae0e [2021-12-15 11:43:05,186 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/708224de8/cb28aa411450481990ba6fd5d9767a32 [2021-12-15 11:43:05,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:43:05,189 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:43:05,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:43:05,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:43:05,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:43:05,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:43:05" (1/1) ... [2021-12-15 11:43:05,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68e5a9a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:05, skipping insertion in model container [2021-12-15 11:43:05,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:43:05" (1/1) ... [2021-12-15 11:43:05,204 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:43:05,251 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:43:05,558 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] [2021-12-15 11:43:05,678 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:43:05,696 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:43:05,718 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] [2021-12-15 11:43:05,750 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:43:05,780 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:43:05,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:05 WrapperNode [2021-12-15 11:43:05,780 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:43:05,781 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:43:05,781 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:43:05,781 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:43:05,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:05" (1/1) ... [2021-12-15 11:43:05,806 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:05" (1/1) ... [2021-12-15 11:43:05,854 INFO L137 Inliner]: procedures = 145, calls = 279, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 558 [2021-12-15 11:43:05,855 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:43:05,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:43:05,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:43:05,856 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:43:05,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:05" (1/1) ... [2021-12-15 11:43:05,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:05" (1/1) ... [2021-12-15 11:43:05,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:05" (1/1) ... [2021-12-15 11:43:05,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:05" (1/1) ... [2021-12-15 11:43:05,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:05" (1/1) ... [2021-12-15 11:43:05,894 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:05" (1/1) ... [2021-12-15 11:43:05,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:05" (1/1) ... [2021-12-15 11:43:05,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:43:05,907 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:43:05,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:43:05,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:43:05,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:05" (1/1) ... [2021-12-15 11:43:05,930 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:43:05,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:43:05,961 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 11:43:05,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 11:43:05,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 11:43:05,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 11:43:05,993 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 11:43:05,993 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 11:43:05,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:43:05,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 11:43:05,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 11:43:05,997 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2021-12-15 11:43:05,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2021-12-15 11:43:05,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 11:43:05,998 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2021-12-15 11:43:05,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2021-12-15 11:43:05,998 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-12-15 11:43:05,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-12-15 11:43:05,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 11:43:05,999 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2021-12-15 11:43:05,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2021-12-15 11:43:05,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 11:43:05,999 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2021-12-15 11:43:05,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2021-12-15 11:43:05,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:43:05,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:43:06,213 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:43:06,215 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:43:06,578 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume !(0 != ~__CS_ret~0 % 256); [2021-12-15 11:43:06,578 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume 0 != ~__CS_ret~0 % 256;reader_#res#1.base, reader_#res#1.offset := 0, 0; [2021-12-15 11:43:08,973 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:43:08,987 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 11:43:08,995 INFO L158 Benchmark]: Toolchain (without parser) took 3804.76ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 56.1MB in the beginning and 70.8MB in the end (delta: -14.6MB). Peak memory consumption was 60.7MB. Max. memory is 16.1GB. [2021-12-15 11:43:08,996 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 88.1MB. Free memory was 44.9MB in the beginning and 44.9MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:43:08,996 INFO L158 Benchmark]: CACSL2BoogieTranslator took 588.40ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 55.9MB in the beginning and 76.0MB in the end (delta: -20.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 11:43:08,997 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.45ms. Allocated memory is still 115.3MB. Free memory was 76.0MB in the beginning and 71.8MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 11:43:08,997 INFO L158 Benchmark]: Boogie Preprocessor took 50.46ms. Allocated memory is still 115.3MB. Free memory was 71.8MB in the beginning and 68.3MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 11:43:08,998 INFO L158 Benchmark]: RCFGBuilder took 3086.94ms. Allocated memory is still 115.3MB. Free memory was 67.6MB in the beginning and 70.8MB in the end (delta: -3.1MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2021-12-15 11:43:09,000 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 88.1MB. Free memory was 44.9MB in the beginning and 44.9MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 588.40ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 55.9MB in the beginning and 76.0MB in the end (delta: -20.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.45ms. Allocated memory is still 115.3MB. Free memory was 76.0MB in the beginning and 71.8MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.46ms. Allocated memory is still 115.3MB. Free memory was 71.8MB in the beginning and 68.3MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3086.94ms. Allocated memory is still 115.3MB. Free memory was 67.6MB in the beginning and 70.8MB in the end (delta: -3.1MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 11:43:09,032 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 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 11:43:10,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 11:43:10,966 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 11:43:11,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 11:43:11,014 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 11:43:11,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 11:43:11,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 11:43:11,024 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 11:43:11,026 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 11:43:11,030 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 11:43:11,031 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 11:43:11,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 11:43:11,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 11:43:11,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 11:43:11,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 11:43:11,042 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 11:43:11,043 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 11:43:11,044 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 11:43:11,046 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 11:43:11,051 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 11:43:11,052 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 11:43:11,053 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 11:43:11,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 11:43:11,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 11:43:11,062 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 11:43:11,062 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 11:43:11,063 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 11:43:11,064 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 11:43:11,065 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 11:43:11,065 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 11:43:11,066 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 11:43:11,066 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 11:43:11,068 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 11:43:11,069 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 11:43:11,070 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 11:43:11,070 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 11:43:11,071 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 11:43:11,071 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 11:43:11,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 11:43:11,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 11:43:11,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 11:43:11,077 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 11:43:11,118 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 11:43:11,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 11:43:11,123 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 11:43:11,124 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 11:43:11,125 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 11:43:11,125 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 11:43:11,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 11:43:11,126 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 11:43:11,127 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 11:43:11,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 11:43:11,128 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 11:43:11,128 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 11:43:11,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 11:43:11,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 11:43:11,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 11:43:11,129 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 11:43:11,129 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 11:43:11,129 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 11:43:11,129 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 11:43:11,129 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 11:43:11,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 11:43:11,130 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 11:43:11,130 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 11:43:11,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 11:43:11,130 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 11:43:11,130 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 11:43:11,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:43:11,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 11:43:11,131 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 11:43:11,131 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 11:43:11,131 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 11:43:11,132 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 11:43:11,132 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 11:43:11,132 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 11:43:11,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 11:43:11,132 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 11:43:11,133 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 11:43:11,133 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1458378674bd140ace04512980940eeb05aa22f50528a181d147a292aa3349d2 [2021-12-15 11:43:11,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 11:43:11,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 11:43:11,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 11:43:11,475 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 11:43:11,476 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 11:43:11,477 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i [2021-12-15 11:43:11,536 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dcf0bd3f/e6d0a8d7e5fc439f9596ba8e0b650594/FLAG2719341cb [2021-12-15 11:43:12,043 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 11:43:12,043 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-pthread/cs_read_write_lock-2.i [2021-12-15 11:43:12,060 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dcf0bd3f/e6d0a8d7e5fc439f9596ba8e0b650594/FLAG2719341cb [2021-12-15 11:43:12,355 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dcf0bd3f/e6d0a8d7e5fc439f9596ba8e0b650594 [2021-12-15 11:43:12,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 11:43:12,359 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 11:43:12,362 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 11:43:12,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 11:43:12,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 11:43:12,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:43:12" (1/1) ... [2021-12-15 11:43:12,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a25836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:12, skipping insertion in model container [2021-12-15 11:43:12,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:43:12" (1/1) ... [2021-12-15 11:43:12,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 11:43:12,432 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 11:43:12,693 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] [2021-12-15 11:43:12,822 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:43:12,843 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 11:43:12,871 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] [2021-12-15 11:43:12,931 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 11:43:12,972 INFO L208 MainTranslator]: Completed translation [2021-12-15 11:43:12,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:12 WrapperNode [2021-12-15 11:43:12,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 11:43:12,974 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 11:43:12,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 11:43:12,975 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 11:43:12,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:12" (1/1) ... [2021-12-15 11:43:13,031 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:12" (1/1) ... [2021-12-15 11:43:13,078 INFO L137 Inliner]: procedures = 149, calls = 279, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 551 [2021-12-15 11:43:13,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 11:43:13,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 11:43:13,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 11:43:13,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 11:43:13,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:12" (1/1) ... [2021-12-15 11:43:13,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:12" (1/1) ... [2021-12-15 11:43:13,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:12" (1/1) ... [2021-12-15 11:43:13,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:12" (1/1) ... [2021-12-15 11:43:13,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:12" (1/1) ... [2021-12-15 11:43:13,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:12" (1/1) ... [2021-12-15 11:43:13,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:12" (1/1) ... [2021-12-15 11:43:13,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 11:43:13,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 11:43:13,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 11:43:13,179 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 11:43:13,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:43:12" (1/1) ... [2021-12-15 11:43:13,186 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 11:43:13,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 11:43:13,212 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 11:43:13,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 11:43:13,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 11:43:13,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 11:43:13,255 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 11:43:13,256 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 11:43:13,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 11:43:13,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 11:43:13,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 11:43:13,257 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2021-12-15 11:43:13,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2021-12-15 11:43:13,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 11:43:13,257 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2021-12-15 11:43:13,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2021-12-15 11:43:13,258 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-12-15 11:43:13,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2021-12-15 11:43:13,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 11:43:13,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 11:43:13,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 11:43:13,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 11:43:13,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 11:43:13,259 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2021-12-15 11:43:13,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2021-12-15 11:43:13,259 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2021-12-15 11:43:13,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2021-12-15 11:43:13,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 11:43:13,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 11:43:13,474 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 11:43:13,475 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 11:43:13,912 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume !(0bv32 != ~zero_extendFrom8To32(~__CS_ret~0)); [2021-12-15 11:43:13,912 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume 0bv32 != ~zero_extendFrom8To32(~__CS_ret~0);reader_#res#1.base, reader_#res#1.offset := 0bv32, 0bv32; [2021-12-15 11:43:16,501 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 11:43:16,523 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 11:43:16,530 INFO L158 Benchmark]: Toolchain (without parser) took 4169.22ms. Allocated memory was 56.6MB in the beginning and 83.9MB in the end (delta: 27.3MB). Free memory was 35.8MB in the beginning and 45.3MB in the end (delta: -9.5MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2021-12-15 11:43:16,531 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 44.0MB. Free memory was 26.2MB in the beginning and 26.2MB in the end (delta: 38.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 11:43:16,533 INFO L158 Benchmark]: CACSL2BoogieTranslator took 612.00ms. Allocated memory is still 56.6MB. Free memory was 35.7MB in the beginning and 31.3MB in the end (delta: 4.4MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2021-12-15 11:43:16,533 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.56ms. Allocated memory is still 56.6MB. Free memory was 31.3MB in the beginning and 27.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 11:43:16,534 INFO L158 Benchmark]: Boogie Preprocessor took 98.64ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 27.1MB in the beginning and 46.3MB in the end (delta: -19.2MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2021-12-15 11:43:16,536 INFO L158 Benchmark]: RCFGBuilder took 3349.13ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 46.3MB in the beginning and 45.3MB in the end (delta: 981.4kB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2021-12-15 11:43:16,542 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 44.0MB. Free memory was 26.2MB in the beginning and 26.2MB in the end (delta: 38.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 612.00ms. Allocated memory is still 56.6MB. Free memory was 35.7MB in the beginning and 31.3MB in the end (delta: 4.4MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.56ms. Allocated memory is still 56.6MB. Free memory was 31.3MB in the beginning and 27.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.64ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 27.1MB in the beginning and 46.3MB in the end (delta: -19.2MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. * RCFGBuilder took 3349.13ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 46.3MB in the beginning and 45.3MB in the end (delta: 981.4kB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 11:43:16,599 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: Set is immutable