./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-atomic/read_write_lock-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e16b7-b1c6-4934-af86-6f46bf83b9b9/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e16b7-b1c6-4934-af86-6f46bf83b9b9/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e16b7-b1c6-4934-af86-6f46bf83b9b9/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e16b7-b1c6-4934-af86-6f46bf83b9b9/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-atomic/read_write_lock-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e16b7-b1c6-4934-af86-6f46bf83b9b9/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e16b7-b1c6-4934-af86-6f46bf83b9b9/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3e2f466b16db44ce2fec1aabf9e70b4ab734ef2801c32e66d10c5bcbcceb5301 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:35:47,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:35:47,920 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:35:47,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:35:47,959 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:35:47,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:35:47,964 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:35:47,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:35:47,967 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:35:47,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:35:47,969 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:35:47,970 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:35:47,971 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:35:47,972 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:35:47,973 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:35:47,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:35:47,977 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:35:47,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:35:47,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:35:47,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:35:47,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:35:47,997 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:35:47,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:35:48,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:35:48,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:35:48,010 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:35:48,011 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:35:48,013 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:35:48,014 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:35:48,016 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:35:48,016 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:35:48,017 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:35:48,019 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:35:48,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:35:48,021 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:35:48,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:35:48,022 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:35:48,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:35:48,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:35:48,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:35:48,023 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:35:48,024 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e16b7-b1c6-4934-af86-6f46bf83b9b9/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:35:48,061 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:35:48,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:35:48,062 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:35:48,063 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:35:48,063 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:35:48,063 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:35:48,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:35:48,064 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:35:48,064 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:35:48,064 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:35:48,065 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:35:48,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:35:48,066 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:35:48,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:35:48,066 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:35:48,066 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:35:48,066 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:35:48,067 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:35:48,067 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:35:48,067 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:35:48,067 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:35:48,067 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:35:48,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:35:48,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:35:48,068 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:35:48,068 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:35:48,068 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:35:48,068 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:35:48,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:35:48,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:35:48,069 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_b89e16b7-b1c6-4934-af86-6f46bf83b9b9/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e16b7-b1c6-4934-af86-6f46bf83b9b9/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e2f466b16db44ce2fec1aabf9e70b4ab734ef2801c32e66d10c5bcbcceb5301 [2022-11-20 17:35:48,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:35:48,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:35:48,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:35:48,425 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:35:48,426 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:35:48,427 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e16b7-b1c6-4934-af86-6f46bf83b9b9/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread-atomic/read_write_lock-2.i [2022-11-20 17:35:51,435 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:35:51,703 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:35:51,703 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e16b7-b1c6-4934-af86-6f46bf83b9b9/sv-benchmarks/c/pthread-atomic/read_write_lock-2.i [2022-11-20 17:35:51,715 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e16b7-b1c6-4934-af86-6f46bf83b9b9/bin/ukojak-pZX7IvK2PQ/data/a0703c65e/3a296a872974414b981e4d8aa8e82610/FLAG465ec1cef [2022-11-20 17:35:51,730 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e16b7-b1c6-4934-af86-6f46bf83b9b9/bin/ukojak-pZX7IvK2PQ/data/a0703c65e/3a296a872974414b981e4d8aa8e82610 [2022-11-20 17:35:51,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:35:51,734 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:35:51,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:35:51,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:35:51,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:35:51,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:35:51" (1/1) ... [2022-11-20 17:35:51,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17b269d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:51, skipping insertion in model container [2022-11-20 17:35:51,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:35:51" (1/1) ... [2022-11-20 17:35:51,748 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:35:51,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:35:51,996 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:35:52,206 WARN L237 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_b89e16b7-b1c6-4934-af86-6f46bf83b9b9/sv-benchmarks/c/pthread-atomic/read_write_lock-2.i[31244,31257] [2022-11-20 17:35:52,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:35:52,236 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:35:52,262 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:35:52,294 WARN L237 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_b89e16b7-b1c6-4934-af86-6f46bf83b9b9/sv-benchmarks/c/pthread-atomic/read_write_lock-2.i[31244,31257] [2022-11-20 17:35:52,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:35:52,341 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:35:52,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:52 WrapperNode [2022-11-20 17:35:52,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:35:52,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:35:52,343 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:35:52,343 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:35:52,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:52" (1/1) ... [2022-11-20 17:35:52,366 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:52" (1/1) ... [2022-11-20 17:35:52,389 INFO L138 Inliner]: procedures = 174, calls = 51, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 117 [2022-11-20 17:35:52,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:35:52,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:35:52,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:35:52,391 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:35:52,400 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:52" (1/1) ... [2022-11-20 17:35:52,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:52" (1/1) ... [2022-11-20 17:35:52,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:52" (1/1) ... [2022-11-20 17:35:52,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:52" (1/1) ... [2022-11-20 17:35:52,409 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:52" (1/1) ... [2022-11-20 17:35:52,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:52" (1/1) ... [2022-11-20 17:35:52,412 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:52" (1/1) ... [2022-11-20 17:35:52,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:52" (1/1) ... [2022-11-20 17:35:52,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:35:52,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:35:52,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:35:52,417 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:35:52,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:52" (1/1) ... [2022-11-20 17:35:52,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:35:52,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e16b7-b1c6-4934-af86-6f46bf83b9b9/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:35:52,471 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e16b7-b1c6-4934-af86-6f46bf83b9b9/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:35:52,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e16b7-b1c6-4934-af86-6f46bf83b9b9/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:35:52,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:35:52,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:35:52,513 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 17:35:52,513 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 17:35:52,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 17:35:52,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:35:52,513 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2022-11-20 17:35:52,513 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2022-11-20 17:35:52,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:35:52,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:35:52,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:35:52,514 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 17:35:52,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:35:52,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:35:52,514 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2022-11-20 17:35:52,515 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2022-11-20 17:35:52,516 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 17:35:52,655 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:35:52,657 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:35:52,906 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:35:52,954 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:35:52,961 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:35:52,963 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L710 is neither atomic block end nor a sink node. [2022-11-20 17:35:52,963 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 17:35:52,969 INFO L158 Benchmark]: Toolchain (without parser) took 1234.03ms. Allocated memory is still 148.9MB. Free memory was 106.3MB in the beginning and 66.4MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-20 17:35:52,969 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 148.9MB. Free memory is still 119.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:35:52,970 INFO L158 Benchmark]: CACSL2BoogieTranslator took 607.05ms. Allocated memory is still 148.9MB. Free memory was 106.3MB in the beginning and 86.3MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 17:35:52,971 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.53ms. Allocated memory is still 148.9MB. Free memory was 86.3MB in the beginning and 83.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:35:52,971 INFO L158 Benchmark]: Boogie Preprocessor took 25.90ms. Allocated memory is still 148.9MB. Free memory was 83.9MB in the beginning and 82.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:35:52,972 INFO L158 Benchmark]: RCFGBuilder took 550.20ms. Allocated memory is still 148.9MB. Free memory was 82.5MB in the beginning and 66.4MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 17:35:52,975 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 148.9MB. Free memory is still 119.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 607.05ms. Allocated memory is still 148.9MB. Free memory was 106.3MB in the beginning and 86.3MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.53ms. Allocated memory is still 148.9MB. Free memory was 86.3MB in the beginning and 83.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.90ms. Allocated memory is still 148.9MB. Free memory was 83.9MB in the beginning and 82.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 550.20ms. Allocated memory is still 148.9MB. Free memory was 82.5MB in the beginning and 66.4MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 17:35:52,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e16b7-b1c6-4934-af86-6f46bf83b9b9/bin/ukojak-pZX7IvK2PQ/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e16b7-b1c6-4934-af86-6f46bf83b9b9/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e16b7-b1c6-4934-af86-6f46bf83b9b9/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e16b7-b1c6-4934-af86-6f46bf83b9b9/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e16b7-b1c6-4934-af86-6f46bf83b9b9/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-atomic/read_write_lock-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e16b7-b1c6-4934-af86-6f46bf83b9b9/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e16b7-b1c6-4934-af86-6f46bf83b9b9/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3e2f466b16db44ce2fec1aabf9e70b4ab734ef2801c32e66d10c5bcbcceb5301 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:35:55,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:35:55,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:35:55,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:35:55,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:35:55,600 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:35:55,602 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:35:55,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:35:55,605 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:35:55,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:35:55,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:35:55,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:35:55,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:35:55,610 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:35:55,611 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:35:55,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:35:55,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:35:55,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:35:55,617 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:35:55,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:35:55,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:35:55,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:35:55,624 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:35:55,625 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:35:55,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:35:55,629 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:35:55,630 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:35:55,631 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:35:55,631 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:35:55,633 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:35:55,633 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:35:55,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:35:55,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:35:55,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:35:55,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:35:55,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:35:55,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:35:55,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:35:55,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:35:55,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:35:55,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:35:55,658 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e16b7-b1c6-4934-af86-6f46bf83b9b9/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-20 17:35:55,681 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:35:55,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:35:55,682 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:35:55,683 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:35:55,683 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:35:55,684 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:35:55,684 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:35:55,684 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:35:55,685 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:35:55,685 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:35:55,685 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:35:55,686 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:35:55,686 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:35:55,686 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:35:55,686 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 17:35:55,687 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 17:35:55,687 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:35:55,687 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 17:35:55,687 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:35:55,688 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:35:55,688 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:35:55,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:35:55,689 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:35:55,689 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:35:55,689 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:35:55,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:35:55,690 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:35:55,690 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:35:55,690 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:35:55,693 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 17:35:55,693 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 17:35:55,694 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:35:55,694 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 17:35:55,694 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 17:35:55,694 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_b89e16b7-b1c6-4934-af86-6f46bf83b9b9/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e16b7-b1c6-4934-af86-6f46bf83b9b9/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e2f466b16db44ce2fec1aabf9e70b4ab734ef2801c32e66d10c5bcbcceb5301 [2022-11-20 17:35:56,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:35:56,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:35:56,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:35:56,154 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:35:56,155 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:35:56,157 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e16b7-b1c6-4934-af86-6f46bf83b9b9/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread-atomic/read_write_lock-2.i [2022-11-20 17:35:59,146 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:35:59,518 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:35:59,518 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e16b7-b1c6-4934-af86-6f46bf83b9b9/sv-benchmarks/c/pthread-atomic/read_write_lock-2.i [2022-11-20 17:35:59,530 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e16b7-b1c6-4934-af86-6f46bf83b9b9/bin/ukojak-pZX7IvK2PQ/data/b5c263cc7/0a09a0ea29c749a6928b51d5468cb10c/FLAGa140cc519 [2022-11-20 17:35:59,549 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e16b7-b1c6-4934-af86-6f46bf83b9b9/bin/ukojak-pZX7IvK2PQ/data/b5c263cc7/0a09a0ea29c749a6928b51d5468cb10c [2022-11-20 17:35:59,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:35:59,553 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:35:59,554 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:35:59,554 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:35:59,558 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:35:59,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:35:59" (1/1) ... [2022-11-20 17:35:59,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17be9f88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:59, skipping insertion in model container [2022-11-20 17:35:59,560 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:35:59" (1/1) ... [2022-11-20 17:35:59,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:35:59,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:35:59,808 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:35:59,997 WARN L237 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_b89e16b7-b1c6-4934-af86-6f46bf83b9b9/sv-benchmarks/c/pthread-atomic/read_write_lock-2.i[31244,31257] [2022-11-20 17:36:00,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:36:00,024 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:36:00,039 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:36:00,078 WARN L237 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_b89e16b7-b1c6-4934-af86-6f46bf83b9b9/sv-benchmarks/c/pthread-atomic/read_write_lock-2.i[31244,31257] [2022-11-20 17:36:00,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:36:00,165 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:36:00,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:00 WrapperNode [2022-11-20 17:36:00,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:36:00,176 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:36:00,176 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:36:00,177 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:36:00,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:00" (1/1) ... [2022-11-20 17:36:00,214 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:00" (1/1) ... [2022-11-20 17:36:00,248 INFO L138 Inliner]: procedures = 177, calls = 51, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 118 [2022-11-20 17:36:00,248 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:36:00,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:36:00,249 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:36:00,249 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:36:00,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:00" (1/1) ... [2022-11-20 17:36:00,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:00" (1/1) ... [2022-11-20 17:36:00,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:00" (1/1) ... [2022-11-20 17:36:00,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:00" (1/1) ... [2022-11-20 17:36:00,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:00" (1/1) ... [2022-11-20 17:36:00,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:00" (1/1) ... [2022-11-20 17:36:00,303 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:00" (1/1) ... [2022-11-20 17:36:00,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:00" (1/1) ... [2022-11-20 17:36:00,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:36:00,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:36:00,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:36:00,318 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:36:00,318 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:00" (1/1) ... [2022-11-20 17:36:00,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:36:00,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e16b7-b1c6-4934-af86-6f46bf83b9b9/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:36:00,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e16b7-b1c6-4934-af86-6f46bf83b9b9/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:36:00,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e16b7-b1c6-4934-af86-6f46bf83b9b9/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:36:00,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 17:36:00,428 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 17:36:00,428 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 17:36:00,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 17:36:00,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:36:00,429 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2022-11-20 17:36:00,429 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2022-11-20 17:36:00,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:36:00,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:36:00,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 17:36:00,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 17:36:00,430 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 17:36:00,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:36:00,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:36:00,430 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2022-11-20 17:36:00,431 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2022-11-20 17:36:00,432 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 17:36:00,577 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:36:00,580 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:36:00,883 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:36:00,974 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:36:00,975 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:36:00,975 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L710 is neither atomic block end nor a sink node. [2022-11-20 17:36:00,976 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 17:36:00,981 INFO L158 Benchmark]: Toolchain (without parser) took 1427.01ms. Allocated memory is still 77.6MB. Free memory was 54.8MB in the beginning and 33.6MB in the end (delta: 21.2MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2022-11-20 17:36:00,987 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 77.6MB. Free memory was 55.5MB in the beginning and 55.4MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:36:00,988 INFO L158 Benchmark]: CACSL2BoogieTranslator took 621.08ms. Allocated memory is still 77.6MB. Free memory was 54.6MB in the beginning and 55.8MB in the end (delta: -1.2MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2022-11-20 17:36:00,988 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.27ms. Allocated memory is still 77.6MB. Free memory was 55.8MB in the beginning and 53.6MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:36:00,989 INFO L158 Benchmark]: Boogie Preprocessor took 67.57ms. Allocated memory is still 77.6MB. Free memory was 53.6MB in the beginning and 51.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:36:00,990 INFO L158 Benchmark]: RCFGBuilder took 662.05ms. Allocated memory is still 77.6MB. Free memory was 51.5MB in the beginning and 33.9MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 17:36:00,992 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 77.6MB. Free memory was 55.5MB in the beginning and 55.4MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 621.08ms. Allocated memory is still 77.6MB. Free memory was 54.6MB in the beginning and 55.8MB in the end (delta: -1.2MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.27ms. Allocated memory is still 77.6MB. Free memory was 55.8MB in the beginning and 53.6MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 67.57ms. Allocated memory is still 77.6MB. Free memory was 53.6MB in the beginning and 51.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 662.05ms. Allocated memory is still 77.6MB. Free memory was 51.5MB in the beginning and 33.9MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 17:36:01,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89e16b7-b1c6-4934-af86-6f46bf83b9b9/bin/ukojak-pZX7IvK2PQ/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: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?