./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f03526-0bdb-467e-afcb-9f84ad6863de/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f03526-0bdb-467e-afcb-9f84ad6863de/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f03526-0bdb-467e-afcb-9f84ad6863de/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f03526-0bdb-467e-afcb-9f84ad6863de/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f03526-0bdb-467e-afcb-9f84ad6863de/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f03526-0bdb-467e-afcb-9f84ad6863de/bin/ukojak-CwSLpZB5Qu --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:44:57,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:44:57,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:44:57,986 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:44:57,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:44:57,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:44:57,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:44:57,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:44:58,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:44:58,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:44:58,012 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:44:58,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:44:58,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:44:58,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:44:58,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:44:58,027 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:44:58,031 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:44:58,032 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:44:58,035 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:44:58,042 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:44:58,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:44:58,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:44:58,050 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:44:58,051 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:44:58,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:44:58,058 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:44:58,059 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:44:58,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:44:58,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:44:58,064 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:44:58,064 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:44:58,065 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:44:58,067 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:44:58,069 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:44:58,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:44:58,071 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:44:58,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:44:58,072 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:44:58,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:44:58,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:44:58,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:44:58,076 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f03526-0bdb-467e-afcb-9f84ad6863de/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:44:58,125 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:44:58,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:44:58,127 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:44:58,127 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:44:58,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:44:58,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:44:58,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:44:58,129 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:44:58,135 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:44:58,136 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:44:58,137 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:44:58,137 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:44:58,138 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:44:58,138 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:44:58,138 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:44:58,138 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:44:58,138 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:44:58,139 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:44:58,139 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:44:58,139 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:44:58,139 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:44:58,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:44:58,140 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:44:58,140 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:44:58,140 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:44:58,141 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:44:58,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:44:58,141 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:44:58,141 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f03526-0bdb-467e-afcb-9f84ad6863de/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f03526-0bdb-467e-afcb-9f84ad6863de/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 [2021-11-23 15:44:58,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:44:58,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:44:58,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:44:58,440 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:44:58,442 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:44:58,443 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f03526-0bdb-467e-afcb-9f84ad6863de/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2021-11-23 15:44:58,509 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f03526-0bdb-467e-afcb-9f84ad6863de/bin/ukojak-CwSLpZB5Qu/data/813ef319f/89bf5ed1a2ed4779ab567b54ee7eb69f/FLAG12fa52d96 [2021-11-23 15:44:59,106 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:44:59,112 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f03526-0bdb-467e-afcb-9f84ad6863de/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2021-11-23 15:44:59,136 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f03526-0bdb-467e-afcb-9f84ad6863de/bin/ukojak-CwSLpZB5Qu/data/813ef319f/89bf5ed1a2ed4779ab567b54ee7eb69f/FLAG12fa52d96 [2021-11-23 15:44:59,352 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f03526-0bdb-467e-afcb-9f84ad6863de/bin/ukojak-CwSLpZB5Qu/data/813ef319f/89bf5ed1a2ed4779ab567b54ee7eb69f [2021-11-23 15:44:59,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:44:59,356 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:44:59,357 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:44:59,357 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:44:59,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:44:59,362 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:44:59" (1/1) ... [2021-11-23 15:44:59,364 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55840e86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:59, skipping insertion in model container [2021-11-23 15:44:59,364 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:44:59" (1/1) ... [2021-11-23 15:44:59,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:44:59,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:44:59,642 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 15:44:59,853 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f03526-0bdb-467e-afcb-9f84ad6863de/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i[30893,30906] [2021-11-23 15:44:59,865 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:44:59,875 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:44:59,904 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 15:44:59,946 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f03526-0bdb-467e-afcb-9f84ad6863de/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i[30893,30906] [2021-11-23 15:44:59,950 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:45:00,004 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:45:00,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:00 WrapperNode [2021-11-23 15:45:00,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:45:00,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:45:00,007 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:45:00,007 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:45:00,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:00" (1/1) ... [2021-11-23 15:45:00,053 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:00" (1/1) ... [2021-11-23 15:45:00,087 INFO L137 Inliner]: procedures = 173, calls = 24, calls flagged for inlining = 5, calls inlined = 7, statements flattened = 108 [2021-11-23 15:45:00,088 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:45:00,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:45:00,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:45:00,089 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:45:00,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:00" (1/1) ... [2021-11-23 15:45:00,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:00" (1/1) ... [2021-11-23 15:45:00,107 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:00" (1/1) ... [2021-11-23 15:45:00,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:00" (1/1) ... [2021-11-23 15:45:00,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:00" (1/1) ... [2021-11-23 15:45:00,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:00" (1/1) ... [2021-11-23 15:45:00,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:00" (1/1) ... [2021-11-23 15:45:00,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:45:00,151 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:45:00,152 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:45:00,152 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:45:00,153 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:00" (1/1) ... [2021-11-23 15:45:00,161 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:45:00,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f03526-0bdb-467e-afcb-9f84ad6863de/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:45:00,190 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f03526-0bdb-467e-afcb-9f84ad6863de/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:45:00,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f03526-0bdb-467e-afcb-9f84ad6863de/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:45:00,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:45:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-23 15:45:00,246 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-23 15:45:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:45:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:45:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:45:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:45:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:45:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:45:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:45:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:45:00,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:45:00,249 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 15:45:00,415 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:45:00,417 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:45:00,688 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:45:00,751 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) [2021-11-23 15:45:00,756 INFO L158 Benchmark]: Toolchain (without parser) took 1399.13ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 63.4MB in the end (delta: 15.4MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2021-11-23 15:45:00,756 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 96.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:45:00,757 INFO L158 Benchmark]: CACSL2BoogieTranslator took 648.76ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 81.7MB in the end (delta: -3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:45:00,758 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.29ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 79.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:45:00,759 INFO L158 Benchmark]: Boogie Preprocessor took 61.54ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 78.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:45:00,760 INFO L158 Benchmark]: RCFGBuilder took 602.56ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 63.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:45:00,770 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 96.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 648.76ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 81.7MB in the end (delta: -3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.29ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 79.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.54ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 78.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 602.56ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 63.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. 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. [2021-11-23 15:45:00,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f03526-0bdb-467e-afcb-9f84ad6863de/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f03526-0bdb-467e-afcb-9f84ad6863de/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f03526-0bdb-467e-afcb-9f84ad6863de/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f03526-0bdb-467e-afcb-9f84ad6863de/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f03526-0bdb-467e-afcb-9f84ad6863de/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f03526-0bdb-467e-afcb-9f84ad6863de/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f03526-0bdb-467e-afcb-9f84ad6863de/bin/ukojak-CwSLpZB5Qu --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:45:03,235 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:45:03,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:45:03,296 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:45:03,296 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:45:03,301 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:45:03,303 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:45:03,307 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:45:03,311 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:45:03,316 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:45:03,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:45:03,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:45:03,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:45:03,325 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:45:03,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:45:03,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:45:03,335 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:45:03,336 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:45:03,338 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:45:03,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:45:03,349 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:45:03,350 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:45:03,353 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:45:03,355 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:45:03,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:45:03,365 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:45:03,365 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:45:03,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:45:03,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:45:03,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:45:03,370 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:45:03,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:45:03,372 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:45:03,373 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:45:03,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:45:03,375 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:45:03,376 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:45:03,377 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:45:03,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:45:03,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:45:03,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:45:03,396 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f03526-0bdb-467e-afcb-9f84ad6863de/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:45:03,440 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:45:03,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:45:03,442 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:45:03,443 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:45:03,444 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:45:03,444 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:45:03,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:45:03,445 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:45:03,445 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:45:03,445 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:45:03,446 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:45:03,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:45:03,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:45:03,447 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:45:03,447 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:45:03,448 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:45:03,448 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:45:03,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:45:03,448 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:45:03,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:45:03,449 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:45:03,449 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:45:03,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:45:03,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:45:03,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:45:03,450 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:45:03,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:45:03,450 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:45:03,451 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:45:03,451 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:45:03,451 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:45:03,451 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:45:03,452 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f03526-0bdb-467e-afcb-9f84ad6863de/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f03526-0bdb-467e-afcb-9f84ad6863de/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 [2021-11-23 15:45:03,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:45:03,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:45:03,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:45:03,871 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:45:03,871 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:45:03,872 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f03526-0bdb-467e-afcb-9f84ad6863de/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2021-11-23 15:45:03,942 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f03526-0bdb-467e-afcb-9f84ad6863de/bin/ukojak-CwSLpZB5Qu/data/1a409b037/84d1dd4503ab48108768825bf4b74be8/FLAG7dca55205 [2021-11-23 15:45:04,552 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:45:04,554 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f03526-0bdb-467e-afcb-9f84ad6863de/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2021-11-23 15:45:04,573 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f03526-0bdb-467e-afcb-9f84ad6863de/bin/ukojak-CwSLpZB5Qu/data/1a409b037/84d1dd4503ab48108768825bf4b74be8/FLAG7dca55205 [2021-11-23 15:45:04,792 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f03526-0bdb-467e-afcb-9f84ad6863de/bin/ukojak-CwSLpZB5Qu/data/1a409b037/84d1dd4503ab48108768825bf4b74be8 [2021-11-23 15:45:04,797 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:45:04,799 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:45:04,803 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:45:04,803 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:45:04,818 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:45:04,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:04" (1/1) ... [2021-11-23 15:45:04,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@459b1413 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:04, skipping insertion in model container [2021-11-23 15:45:04,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:04" (1/1) ... [2021-11-23 15:45:04,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:45:04,889 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:45:05,066 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 15:45:05,302 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f03526-0bdb-467e-afcb-9f84ad6863de/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i[30893,30906] [2021-11-23 15:45:05,314 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:45:05,328 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:45:05,360 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 15:45:05,394 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f03526-0bdb-467e-afcb-9f84ad6863de/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i[30893,30906] [2021-11-23 15:45:05,396 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:45:05,450 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:45:05,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:05 WrapperNode [2021-11-23 15:45:05,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:45:05,453 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:45:05,453 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:45:05,453 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:45:05,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:05" (1/1) ... [2021-11-23 15:45:05,502 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:05" (1/1) ... [2021-11-23 15:45:05,525 INFO L137 Inliner]: procedures = 176, calls = 24, calls flagged for inlining = 5, calls inlined = 7, statements flattened = 108 [2021-11-23 15:45:05,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:45:05,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:45:05,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:45:05,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:45:05,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:05" (1/1) ... [2021-11-23 15:45:05,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:05" (1/1) ... [2021-11-23 15:45:05,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:05" (1/1) ... [2021-11-23 15:45:05,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:05" (1/1) ... [2021-11-23 15:45:05,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:05" (1/1) ... [2021-11-23 15:45:05,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:05" (1/1) ... [2021-11-23 15:45:05,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:05" (1/1) ... [2021-11-23 15:45:05,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:45:05,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:45:05,558 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:45:05,558 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:45:05,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:05" (1/1) ... [2021-11-23 15:45:05,566 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:45:05,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f03526-0bdb-467e-afcb-9f84ad6863de/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:45:05,589 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f03526-0bdb-467e-afcb-9f84ad6863de/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:45:05,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f03526-0bdb-467e-afcb-9f84ad6863de/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:45:05,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:45:05,638 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-23 15:45:05,638 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-23 15:45:05,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:45:05,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:45:05,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:45:05,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:45:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:45:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:45:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:45:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:45:05,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:45:05,644 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 15:45:05,838 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:45:05,840 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:45:06,045 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:45:06,119 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) [2021-11-23 15:45:06,122 INFO L158 Benchmark]: Toolchain (without parser) took 1322.49ms. Allocated memory is still 73.4MB. Free memory was 56.7MB in the beginning and 53.4MB in the end (delta: 3.3MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2021-11-23 15:45:06,123 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 73.4MB. Free memory is still 54.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:45:06,124 INFO L158 Benchmark]: CACSL2BoogieTranslator took 649.33ms. Allocated memory is still 73.4MB. Free memory was 56.6MB in the beginning and 47.2MB in the end (delta: 9.4MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2021-11-23 15:45:06,124 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.99ms. Allocated memory is still 73.4MB. Free memory was 47.2MB in the beginning and 45.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:45:06,125 INFO L158 Benchmark]: Boogie Preprocessor took 31.05ms. Allocated memory is still 73.4MB. Free memory was 45.0MB in the beginning and 43.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:45:06,126 INFO L158 Benchmark]: RCFGBuilder took 562.64ms. Allocated memory is still 73.4MB. Free memory was 43.3MB in the beginning and 53.4MB in the end (delta: -10.1MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2021-11-23 15:45:06,128 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 73.4MB. Free memory is still 54.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 649.33ms. Allocated memory is still 73.4MB. Free memory was 56.6MB in the beginning and 47.2MB in the end (delta: 9.4MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.99ms. Allocated memory is still 73.4MB. Free memory was 47.2MB in the beginning and 45.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.05ms. Allocated memory is still 73.4MB. Free memory was 45.0MB in the beginning and 43.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 562.64ms. Allocated memory is still 73.4MB. Free memory was 43.3MB in the beginning and 53.4MB in the end (delta: -10.1MB). Peak memory consumption was 16.7MB. 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. [2021-11-23 15:45:06,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f03526-0bdb-467e-afcb-9f84ad6863de/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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